{ "id": "/ujjain/festivals/2026", "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": 2026, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/ujjain/festivals/2026/pradosha-vrata?on=2026-01-01", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-01-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9852, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-01-01T01:48:28+05:30", "utc": "2025-12-31T20:18:28Z", "ms": 1767212308483.893 }, "end": { "local": "2026-01-01T22:22:45+05:30", "utc": "2026-01-01T16:52:45Z", "ms": 1767286365171.1824 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2026-01-01T01:48:28+05:30", "utc": "2025-12-31T20:18:28Z", "ms": 1767212308483.893 }, "end": { "local": "2026-01-01T22:22:45+05:30", "utc": "2026-01-01T16:52:45Z", "ms": 1767286365171.1824 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-12-31", "window": { "start": { "local": "2025-12-31T17:51:44+05:30", "utc": "2025-12-31T12:21:44Z", "ms": 1767183704208.1191 }, "end": { "local": "2025-12-31T19:37:58+05:30", "utc": "2025-12-31T14:07:58Z", "ms": 1767190077702.576 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "2026-01-01", "window": { "start": { "local": "2026-01-01T17:52:22+05:30", "utc": "2026-01-01T12:22:22Z", "ms": 1767270142312.3567 }, "end": { "local": "2026-01-01T19:38:33+05:30", "utc": "2026-01-01T14:08:33Z", "ms": 1767276513095.7654 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:48 on Thu 1 Jan to 22:23 on Thu 1 Jan.", "fact": "2025-12-31T20:18:28Z → 2026-01-01T16:52:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:52–19:38 on the 31st, 17:52–19:39 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 106 minutes on the 31st and 106 of 106 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9852 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2026: Thursday 1 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": "2026-01-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-01-01", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2026 falls on Thursday 1 January. Trayodaśī runs from 01:48 on Thu 1 Jan to 22:23 on Thu 1 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-01-01", "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/2026/sankashta-chaturthi?on=2026-01-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-01-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35050, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-01-06T08:02:09+05:30", "utc": "2026-01-06T02:32:09Z", "ms": 1767666729489.5166 }, "end": { "local": "2026-01-07T06:53:03+05:30", "utc": "2026-01-07T01:23:03Z", "ms": 1767748982964.319 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2026-01-06T08:02:09+05:30", "utc": "2026-01-06T02:32:09Z", "ms": 1767666729489.5166 }, "end": { "local": "2026-01-07T06:53:03+05:30", "utc": "2026-01-07T01:23:03Z", "ms": 1767748982964.319 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-01-05", "window": { "start": { "local": "2026-01-05T20:07:14+05:30", "utc": "2026-01-05T14:37:14Z", "ms": 1767623833986.928 }, "end": { "local": "2026-01-05T20:07:14+05:30", "utc": "2026-01-05T14:37:14Z", "ms": 1767623833986.928 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-01-06", "window": { "start": { "local": "2026-01-06T21:08:53+05:30", "utc": "2026-01-06T15:38:53Z", "ms": 1767713932547.2778 }, "end": { "local": "2026-01-06T21:08:53+05:30", "utc": "2026-01-06T15:38:53Z", "ms": 1767713932547.2778 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:02 on Tue 6 Jan to 06:53 on Wed 7 Jan.", "fact": "2026-01-06T02:32:09Z → 2026-01-07T01:23:03Z" }, { "step": "kaala", "text": "Moonrise is at 20:07 on the 5th and 21:09 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35050 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2026: Tuesday 6 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-01-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-01-06", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2026 falls on Tuesday 6 January. Caturthī runs from 08:02 on Tue 6 Jan to 06:53 on Wed 7 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/sankashta-chaturthi?on=2026-01-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10437, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2026-01-14T15:07:20+05:30", "utc": "2026-01-14T09:37:20Z", "ms": 1768383439973.854 }, "end": { "local": "2026-02-13T04:08:59+05:30", "utc": "2026-02-12T22:38:59Z", "ms": 1770935938775.5012 } }, "span": { "of": "transit", "start": { "local": "2026-01-14T15:07:20+05:30", "utc": "2026-01-14T09:37:20Z", "ms": 1768383439973.854 }, "end": { "local": "2026-01-14T15:07:20+05:30", "utc": "2026-01-14T09:37:20Z", "ms": 1768383439973.854 } }, "kaala": "sunset-day", "days": [ { "local_date": "2026-01-14", "window": { "start": { "local": "2026-01-13T18:00:35+05:30", "utc": "2026-01-13T12:30:35Z", "ms": 1768307434541.2446 }, "end": { "local": "2026-01-14T18:01:17+05:30", "utc": "2026-01-14T12:31:17Z", "ms": 1768393877393.9456 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2026-01-15", "window": { "start": { "local": "2026-01-14T18:01:17+05:30", "utc": "2026-01-14T12:31:17Z", "ms": 1768393877393.9456 }, "end": { "local": "2026-01-15T18:02:00+05:30", "utc": "2026-01-15T12:32:00Z", "ms": 1768480320355.6438 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2026-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 15:07 on Wed 14 Jan.", "fact": "2026-01-14T09:37:20Z · 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 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 10437 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Wednesday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Ujjain, 2026: Tuesday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2026-01-13", "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": "2026-01-13", "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": [ "2026-01-13" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Bhogi 2026 falls on Tuesday 13 January. It is kept the day before Pongal, which falls on Wednesday 14 January. The Sun enters Makara at 15:07 on Wed 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10437, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2026-01-14T15:07:20+05:30", "utc": "2026-01-14T09:37:20Z", "ms": 1768383439973.854 }, "end": { "local": "2026-02-13T04:08:59+05:30", "utc": "2026-02-12T22:38:59Z", "ms": 1770935938775.5012 } }, "span": { "of": "transit", "start": { "local": "2026-01-14T15:07:20+05:30", "utc": "2026-01-14T09:37:20Z", "ms": 1768383439973.854 }, "end": { "local": "2026-01-14T15:07:20+05:30", "utc": "2026-01-14T09:37:20Z", "ms": 1768383439973.854 } }, "kaala": "sunset-day", "days": [ { "local_date": "2026-01-14", "window": { "start": { "local": "2026-01-13T18:00:35+05:30", "utc": "2026-01-13T12:30:35Z", "ms": 1768307434541.2446 }, "end": { "local": "2026-01-14T18:01:17+05:30", "utc": "2026-01-14T12:31:17Z", "ms": 1768393877393.9456 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2026-01-15", "window": { "start": { "local": "2026-01-14T18:01:17+05:30", "utc": "2026-01-14T12:31:17Z", "ms": 1768393877393.9456 }, "end": { "local": "2026-01-15T18:02:00+05:30", "utc": "2026-01-15T12:32:00Z", "ms": 1768480320355.6438 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 15:07 on Wed 14 Jan.", "fact": "2026-01-14T09:37:20Z · 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 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 10437 s" }, { "step": "ruling", "text": "Pongal, Ujjain, 2026: Wednesday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2026-01-14", "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": "2026-01-14", "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": [ "2026-01-14" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Pongal (Tai Pongal) 2026 falls on Wednesday 14 January. The Sun enters Makara at 15:07 on Wed 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31960, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2026-01-14T15:07:20+05:30", "utc": "2026-01-14T09:37:20Z", "ms": 1768383439973.854 }, "end": { "local": "2026-02-13T04:08:59+05:30", "utc": "2026-02-12T22:38:59Z", "ms": 1770935938775.5012 } }, "span": { "of": "transit", "start": { "local": "2026-01-14T15:07:20+05:30", "utc": "2026-01-14T09:37:20Z", "ms": 1768383439973.854 }, "end": { "local": "2026-01-14T15:07:20+05:30", "utc": "2026-01-14T09:37:20Z", "ms": 1768383439973.854 } }, "kaala": "civil-day", "days": [ { "local_date": "2026-01-14", "window": { "start": { "local": "2026-01-14T00:00:00+05:30", "utc": "2026-01-13T18:30:00Z", "ms": 1768329000000 }, "end": { "local": "2026-01-15T00:00:00+05:30", "utc": "2026-01-14T18:30:00Z", "ms": 1768415400000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "2026-01-15", "window": { "start": { "local": "2026-01-15T00:00:00+05:30", "utc": "2026-01-14T18:30:00Z", "ms": 1768415400000 }, "end": { "local": "2026-01-16T00:00:00+05:30", "utc": "2026-01-15T18:30:00Z", "ms": 1768501800000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 15:07 on Wed 14 Jan.", "fact": "2026-01-14T09:37:20Z · 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 31960 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Ujjain, 2026: Wednesday 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": "2026-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2026-01-14", "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": "2026-01-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-01-14" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Makara Saṅkrānti 2026 falls on Wednesday 14 January. The Sun enters Makara at 15:07 on Wed 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ekadashi?on=2026-01-14", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29273, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-01-13T15:18:26+05:30", "utc": "2026-01-13T09:48:26Z", "ms": 1768297705860.8057 }, "end": { "local": "2026-01-14T17:53:16+05:30", "utc": "2026-01-14T12:23:16Z", "ms": 1768393395646.8733 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2026-01-13T15:18:26+05:30", "utc": "2026-01-13T09:48:26Z", "ms": 1768297705860.8057 }, "end": { "local": "2026-01-14T17:53:16+05:30", "utc": "2026-01-14T12:23:16Z", "ms": 1768393395646.8733 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-01-13", "window": { "start": { "local": "2026-01-13T07:10:33+05:30", "utc": "2026-01-13T01:40:33Z", "ms": 1768268432809.6143 }, "end": { "local": "2026-01-13T07:10:33+05:30", "utc": "2026-01-13T01:40:33Z", "ms": 1768268432809.6143 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-01-14", "window": { "start": { "local": "2026-01-14T07:10:35+05:30", "utc": "2026-01-14T01:40:35Z", "ms": 1768354834658.7766 }, "end": { "local": "2026-01-14T07:10:35+05:30", "utc": "2026-01-14T01:40:35Z", "ms": 1768354834658.7766 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:18 on Tue 13 Jan to 17:53 on Wed 14 Jan.", "fact": "2026-01-13T09:48:26Z → 2026-01-14T12:23:16Z" }, { "step": "kaala", "text": "Sunrise is at 07:11 on the 13th and 07:11 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 29273 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Ujjain, 2026: Wednesday 14 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": "2026-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-01-14", "confidence": "determinate" } ], "quote": "In Ujjain, Ṣaṭtilā Ekādaśī 2026 falls on Wednesday 14 January. Ekādaśī runs from 15:18 on Tue 13 Jan to 17:53 on Wed 14 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-01-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10437, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2026-01-14T15:07:20+05:30", "utc": "2026-01-14T09:37:20Z", "ms": 1768383439973.854 }, "end": { "local": "2026-02-13T04:08:59+05:30", "utc": "2026-02-12T22:38:59Z", "ms": 1770935938775.5012 } }, "span": { "of": "transit", "start": { "local": "2026-01-14T15:07:20+05:30", "utc": "2026-01-14T09:37:20Z", "ms": 1768383439973.854 }, "end": { "local": "2026-01-14T15:07:20+05:30", "utc": "2026-01-14T09:37:20Z", "ms": 1768383439973.854 } }, "kaala": "sunset-day", "days": [ { "local_date": "2026-01-14", "window": { "start": { "local": "2026-01-13T18:00:35+05:30", "utc": "2026-01-13T12:30:35Z", "ms": 1768307434541.2446 }, "end": { "local": "2026-01-14T18:01:17+05:30", "utc": "2026-01-14T12:31:17Z", "ms": 1768393877393.9456 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2026-01-15", "window": { "start": { "local": "2026-01-14T18:01:17+05:30", "utc": "2026-01-14T12:31:17Z", "ms": 1768393877393.9456 }, "end": { "local": "2026-01-15T18:02:00+05:30", "utc": "2026-01-15T12:32:00Z", "ms": 1768480320355.6438 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2026-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 15:07 on Wed 14 Jan.", "fact": "2026-01-14T09:37:20Z · 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 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 10437 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Wednesday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Ujjain, 2026: Thursday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2026-01-15", "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": "2026-01-15", "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": [ "2026-01-15" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Mattu Pongal 2026 falls on Thursday 15 January. It is kept the day after Pongal, which falls on Wednesday 14 January. The Sun enters Makara at 15:07 on Wed 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/pradosha-vrata?on=2026-01-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1793, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-01-15T20:17:02+05:30", "utc": "2026-01-15T14:47:02Z", "ms": 1768488421583.5498 }, "end": { "local": "2026-01-16T22:22:12+05:30", "utc": "2026-01-16T16:52:12Z", "ms": 1768582332068.9133 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2026-01-15T20:17:02+05:30", "utc": "2026-01-15T14:47:02Z", "ms": 1768488421583.5498 }, "end": { "local": "2026-01-16T22:22:12+05:30", "utc": "2026-01-16T16:52:12Z", "ms": 1768582332068.9133 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-01-15", "window": { "start": { "local": "2026-01-15T18:02:00+05:30", "utc": "2026-01-15T12:32:00Z", "ms": 1768480320355.6438 }, "end": { "local": "2026-01-15T19:47:09+05:30", "utc": "2026-01-15T14:17:09Z", "ms": 1768486628864.8875 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "2026-01-16", "window": { "start": { "local": "2026-01-16T18:02:43+05:30", "utc": "2026-01-16T12:32:43Z", "ms": 1768566763389.264 }, "end": { "local": "2026-01-16T19:47:46+05:30", "utc": "2026-01-16T14:17:46Z", "ms": 1768573065848.2458 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:17 on Thu 15 Jan to 22:22 on Fri 16 Jan.", "fact": "2026-01-15T14:47:02Z → 2026-01-16T16:52:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:47 on the 15th, 18:03–19:48 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 105 minutes on the 15th and 105 of 105 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 1793 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2026: Friday 16 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-01-16", "confidence": "boundary" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2026 falls on Friday 16 January. Trayodaśī runs from 20:17 on Thu 15 Jan to 22:22 on Fri 16 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-01-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/shivaratri?on=2026-01-16", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 510, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2026-01-16T22:22:12+05:30", "utc": "2026-01-16T16:52:12Z", "ms": 1768582332068.9133 }, "end": { "local": "2026-01-18T00:04:27+05:30", "utc": "2026-01-17T18:34:27Z", "ms": 1768674866865.0571 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2026-01-16T22:22:12+05:30", "utc": "2026-01-16T16:52:12Z", "ms": 1768582332068.9133 }, "end": { "local": "2026-01-18T00:04:27+05:30", "utc": "2026-01-17T18:34:27Z", "ms": 1768674866865.0571 } }, "kaala": "nishita", "days": [ { "local_date": "2026-01-16", "window": { "start": { "local": "2026-01-17T00:12:38+05:30", "utc": "2026-01-16T18:42:38Z", "ms": 1768588957610.4463 }, "end": { "local": "2026-01-17T01:00:38+05:30", "utc": "2026-01-16T19:30:38Z", "ms": 1768591837610.4463 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-01-17", "window": { "start": { "local": "2026-01-18T00:12:57+05:30", "utc": "2026-01-17T18:42:57Z", "ms": 1768675377270.0825 }, "end": { "local": "2026-01-18T01:00:57+05:30", "utc": "2026-01-17T19:30:57Z", "ms": 1768678257270.0825 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:22 on Fri 16 Jan to 00:04 on Sun 18 Jan.", "fact": "2026-01-16T16:52:12Z → 2026-01-17T18:34:27Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:13–01:01 on the 16th, 00:13–01:01 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 510 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2026: Friday 16 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": "2026-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-01-16", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2026 falls on Friday 16 January. Caturdaśī runs from 22:22 on Fri 16 Jan to 00:04 on Sun 18 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2026/shivaratri?on=2026-01-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-01-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19265, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2026-01-16T22:22:12+05:30", "utc": "2026-01-16T16:52:12Z", "ms": 1768582332068.9133 }, "end": { "local": "2026-01-18T00:04:27+05:30", "utc": "2026-01-17T18:34:27Z", "ms": 1768674866865.0571 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2026-01-16T22:22:12+05:30", "utc": "2026-01-16T16:52:12Z", "ms": 1768582332068.9133 }, "end": { "local": "2026-01-18T00:04:27+05:30", "utc": "2026-01-17T18:34:27Z", "ms": 1768674866865.0571 } }, "kaala": "arunodaya", "days": [ { "local_date": "2026-01-17", "window": { "start": { "local": "2026-01-17T05:25:29+05:30", "utc": "2026-01-16T23:55:29Z", "ms": 1768607729372.647 }, "end": { "local": "2026-01-17T07:10:32+05:30", "utc": "2026-01-17T01:40:32Z", "ms": 1768614031831.629 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "2026-01-18", "window": { "start": { "local": "2026-01-18T05:25:32+05:30", "utc": "2026-01-17T23:55:32Z", "ms": 1768694131865.543 }, "end": { "local": "2026-01-18T07:10:28+05:30", "utc": "2026-01-18T01:40:28Z", "ms": 1768700428082.0742 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:22 on Fri 16 Jan to 00:04 on Sun 18 Jan.", "fact": "2026-01-16T16:52:12Z → 2026-01-17T18:34:27Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:25–07:11 on the 17th, 05:26–07:10 on the 18th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 105 of 105 minutes on the 17th and 0 of 105 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19265 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Ujjain, 2026: Saturday 17 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-01-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-01-17", "confidence": "determinate" } ], "quote": "In Ujjain, Yama Tarpaṇa 2026 falls on Saturday 17 January. Caturdaśī runs from 22:22 on Fri 16 Jan to 00:04 on Sun 18 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34010, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-01-22T02:47:40+05:30", "utc": "2026-01-21T21:17:40Z", "ms": 1769030259821.415 }, "end": { "local": "2026-01-23T02:28:52+05:30", "utc": "2026-01-22T20:58:52Z", "ms": 1769115532429.0422 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2026-01-22T02:47:40+05:30", "utc": "2026-01-21T21:17:40Z", "ms": 1769030259821.415 }, "end": { "local": "2026-01-23T02:28:52+05:30", "utc": "2026-01-22T20:58:52Z", "ms": 1769115532429.0422 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-01-22", "window": { "start": { "local": "2026-01-22T12:14:30+05:30", "utc": "2026-01-22T06:44:30Z", "ms": 1769064270036.62 }, "end": { "local": "2026-01-22T13:02:30+05:30", "utc": "2026-01-22T07:32:30Z", "ms": 1769067150036.62 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-01-23", "window": { "start": { "local": "2026-01-23T12:14:46+05:30", "utc": "2026-01-23T06:44:46Z", "ms": 1769150685912.109 }, "end": { "local": "2026-01-23T13:02:46+05:30", "utc": "2026-01-23T07:32:46Z", "ms": 1769153565912.109 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:48 on Thu 22 Jan to 02:29 on Fri 23 Jan.", "fact": "2026-01-21T21:17:40Z → 2026-01-22T20:58:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 22nd, 12:15–13:03 on the 23rd.", "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 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34010 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Ujjain, 2026: Thursday 22 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-01-22", "confidence": "determinate" } ], "quote": "In Ujjain, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2026 falls on Thursday 22 January. Caturthī runs from 02:48 on Thu 22 Jan to 02:29 on Fri 23 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23849, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-01-22T02:47:40+05:30", "utc": "2026-01-21T21:17:40Z", "ms": 1769030259821.415 }, "end": { "local": "2026-01-23T02:28:52+05:30", "utc": "2026-01-22T20:58:52Z", "ms": 1769115532429.0422 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2026-01-22T02:47:40+05:30", "utc": "2026-01-21T21:17:40Z", "ms": 1769030259821.415 }, "end": { "local": "2026-01-23T02:28:52+05:30", "utc": "2026-01-22T20:58:52Z", "ms": 1769115532429.0422 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-01-21", "window": { "start": { "local": "2026-01-21T18:06:18+05:30", "utc": "2026-01-21T12:36:18Z", "ms": 1768998978371.226 }, "end": { "local": "2026-01-21T19:50:48+05:30", "utc": "2026-01-21T14:20:48Z", "ms": 1769005247786.4158 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "2026-01-22", "window": { "start": { "local": "2026-01-22T18:07:01+05:30", "utc": "2026-01-22T12:37:01Z", "ms": 1769085421088.0903 }, "end": { "local": "2026-01-22T19:51:23+05:30", "utc": "2026-01-22T14:21:23Z", "ms": 1769091683368.0583 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:48 on Thu 22 Jan to 02:29 on Fri 23 Jan.", "fact": "2026-01-21T21:17:40Z → 2026-01-22T20:58:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:51 on the 21st, 18:07–19:51 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 0 of 104 minutes on the 21st and 104 of 104 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23849 s" }, { "step": "ruling", "text": "Tila Caturthī, Ujjain, 2026: Thursday 22 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-01-22", "confidence": "determinate" } ], "quote": "In Ujjain, Tila Caturthī 2026 falls on Thursday 22 January. Caturthī runs from 02:48 on Thu 22 Jan to 02:29 on Fri 23 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35153, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2026-01-23T02:28:52+05:30", "utc": "2026-01-22T20:58:52Z", "ms": 1769115532429.0422 }, "end": { "local": "2026-01-24T01:46:32+05:30", "utc": "2026-01-23T20:16:32Z", "ms": 1769199392409.411 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2026-01-23T02:28:52+05:30", "utc": "2026-01-22T20:58:52Z", "ms": 1769115532429.0422 }, "end": { "local": "2026-01-24T01:46:32+05:30", "utc": "2026-01-23T20:16:32Z", "ms": 1769199392409.411 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-01-23", "window": { "start": { "local": "2026-01-23T12:14:46+05:30", "utc": "2026-01-23T06:44:46Z", "ms": 1769150685912.109 }, "end": { "local": "2026-01-23T13:02:46+05:30", "utc": "2026-01-23T07:32:46Z", "ms": 1769153565912.109 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-01-24", "window": { "start": { "local": "2026-01-24T12:15:01+05:30", "utc": "2026-01-24T06:45:01Z", "ms": 1769237100987.0557 }, "end": { "local": "2026-01-24T13:03:01+05:30", "utc": "2026-01-24T07:33:01Z", "ms": 1769239980987.0557 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 02:29 on Fri 23 Jan to 01:47 on Sat 24 Jan.", "fact": "2026-01-22T20:58:52Z → 2026-01-23T20:16:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 23rd, 12:15–13:03 on the 24th.", "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 23rd and 0 of 48 on the 24th.", "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 35153 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Ujjain, 2026: Friday 23 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-01-23", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-01-23" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Śrī Pañcamī 2026 falls on Friday 23 January. Pañcamī runs from 02:29 on Fri 23 Jan to 01:47 on Sat 24 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35153, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2026-01-23T02:28:52+05:30", "utc": "2026-01-22T20:58:52Z", "ms": 1769115532429.0422 }, "end": { "local": "2026-01-24T01:46:32+05:30", "utc": "2026-01-23T20:16:32Z", "ms": 1769199392409.411 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2026-01-23T02:28:52+05:30", "utc": "2026-01-22T20:58:52Z", "ms": 1769115532429.0422 }, "end": { "local": "2026-01-24T01:46:32+05:30", "utc": "2026-01-23T20:16:32Z", "ms": 1769199392409.411 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-01-23", "window": { "start": { "local": "2026-01-23T12:14:46+05:30", "utc": "2026-01-23T06:44:46Z", "ms": 1769150685912.109 }, "end": { "local": "2026-01-23T13:02:46+05:30", "utc": "2026-01-23T07:32:46Z", "ms": 1769153565912.109 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-01-24", "window": { "start": { "local": "2026-01-24T12:15:01+05:30", "utc": "2026-01-24T06:45:01Z", "ms": 1769237100987.0557 }, "end": { "local": "2026-01-24T13:03:01+05:30", "utc": "2026-01-24T07:33:01Z", "ms": 1769239980987.0557 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 02:29 on Fri 23 Jan to 01:47 on Sat 24 Jan.", "fact": "2026-01-22T20:58:52Z → 2026-01-23T20:16:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 23rd, 12:15–13:03 on the 24th.", "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 23rd and 0 of 48 on the 24th.", "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 35153 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Ujjain, 2026: Friday 23 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-01-23", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-01-23" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Vasanta Pañcamī (Basant Panchami) 2026 falls on Friday 23 January. Pañcamī runs from 02:29 on Fri 23 Jan to 01:47 on Sat 24 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17087, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2026-01-25T00:40:28+05:30", "utc": "2026-01-24T19:10:28Z", "ms": 1769281827958.4553 }, "end": { "local": "2026-01-25T23:10:48+05:30", "utc": "2026-01-25T17:40:48Z", "ms": 1769362848222.095 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2026-01-25T00:40:28+05:30", "utc": "2026-01-24T19:10:28Z", "ms": 1769281827958.4553 }, "end": { "local": "2026-01-25T23:10:48+05:30", "utc": "2026-01-25T17:40:48Z", "ms": 1769362848222.095 } }, "kaala": "arunodaya", "days": [ { "local_date": "2026-01-25", "window": { "start": { "local": "2026-01-25T05:25:15+05:30", "utc": "2026-01-24T23:55:15Z", "ms": 1769298914869.1895 }, "end": { "local": "2026-01-25T07:09:22+05:30", "utc": "2026-01-25T01:39:22Z", "ms": 1769305162389.5515 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "2026-01-26", "window": { "start": { "local": "2026-01-26T05:25:07+05:30", "utc": "2026-01-25T23:55:07Z", "ms": 1769385307497.4126 }, "end": { "local": "2026-01-26T07:09:07+05:30", "utc": "2026-01-26T01:39:07Z", "ms": 1769391547402.8342 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 00:40 on Sun 25 Jan to 23:11 on Sun 25 Jan.", "fact": "2026-01-24T19:10:28Z → 2026-01-25T17:40:48Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:25–07:09 on the 25th, 05:25–07:09 on the 26th.", "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 104 of 104 minutes on the 25th and 0 of 104 on the 26th.", "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 17087 s" }, { "step": "ruling", "text": "Ratha Saptamī, Ujjain, 2026: Sunday 25 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-01-25", "confidence": "determinate" } ], "quote": "In Ujjain, Ratha Saptamī 2026 falls on Sunday 25 January. Saptamī runs from 00:40 on Sun 25 Jan to 23:11 on Sun 25 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ekadashi?on=2026-01-29", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24444, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-01-28T16:36:33+05:30", "utc": "2026-01-28T11:06:33Z", "ms": 1769598393337.791 }, "end": { "local": "2026-01-29T13:55:39+05:30", "utc": "2026-01-29T08:25:39Z", "ms": 1769675138629.192 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2026-01-28T16:36:33+05:30", "utc": "2026-01-28T11:06:33Z", "ms": 1769598393337.791 }, "end": { "local": "2026-01-29T13:55:39+05:30", "utc": "2026-01-29T08:25:39Z", "ms": 1769675138629.192 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-01-28", "window": { "start": { "local": "2026-01-28T07:08:33+05:30", "utc": "2026-01-28T01:38:33Z", "ms": 1769564313305.541 }, "end": { "local": "2026-01-28T07:08:33+05:30", "utc": "2026-01-28T01:38:33Z", "ms": 1769564313305.541 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-01-29", "window": { "start": { "local": "2026-01-29T07:08:14+05:30", "utc": "2026-01-29T01:38:14Z", "ms": 1769650694221.6313 }, "end": { "local": "2026-01-29T07:08:14+05:30", "utc": "2026-01-29T01:38:14Z", "ms": 1769650694221.6313 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:37 on Wed 28 Jan to 13:56 on Thu 29 Jan.", "fact": "2026-01-28T11:06:33Z → 2026-01-29T08:25:39Z" }, { "step": "kaala", "text": "Sunrise is at 07:09 on the 28th and 07:08 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24444 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Ujjain, 2026: Thursday 29 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-01-29", "confidence": "determinate" } ], "quote": "In Ujjain, Jayā Ekādaśī 2026 falls on Thursday 29 January. Ekādaśī runs from 16:37 on Wed 28 Jan to 13:56 on Thu 29 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-01-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3095, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2026-01-29T13:55:39+05:30", "utc": "2026-01-29T08:25:39Z", "ms": 1769675138629.192 }, "end": { "local": "2026-01-30T11:09:38+05:30", "utc": "2026-01-30T05:39:38Z", "ms": 1769751577909.8284 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2026-01-29T13:55:39+05:30", "utc": "2026-01-29T08:25:39Z", "ms": 1769675138629.192 }, "end": { "local": "2026-01-30T11:09:38+05:30", "utc": "2026-01-30T05:39:38Z", "ms": 1769751577909.8284 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-01-29", "window": { "start": { "local": "2026-01-29T12:16:04+05:30", "utc": "2026-01-29T06:46:04Z", "ms": 1769669164056.2334 }, "end": { "local": "2026-01-29T13:04:04+05:30", "utc": "2026-01-29T07:34:04Z", "ms": 1769672044056.2334 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-01-30", "window": { "start": { "local": "2026-01-30T12:16:14+05:30", "utc": "2026-01-30T06:46:14Z", "ms": 1769755574179.519 }, "end": { "local": "2026-01-30T13:04:14+05:30", "utc": "2026-01-30T07:34:14Z", "ms": 1769758454179.519 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 13:56 on Thu 29 Jan to 11:10 on Fri 30 Jan.", "fact": "2026-01-29T08:25:39Z → 2026-01-30T05:39:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 29th, 12:16–13:04 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 3095 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Ujjain, 2026: Friday 30 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-01-30", "confidence": "determinate" } ], "quote": "In Ujjain, Bhīṣma Dvādaśī 2026 falls on Friday 30 January. Dvādaśī runs from 13:56 on Thu 29 Jan to 11:10 on Fri 30 Jan, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/pradosha-vrata?on=2026-01-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25377, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-01-30T11:09:38+05:30", "utc": "2026-01-30T05:39:38Z", "ms": 1769751577909.8284 }, "end": { "local": "2026-01-31T08:26:02+05:30", "utc": "2026-01-31T02:56:02Z", "ms": 1769828162226.6099 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2026-01-30T11:09:38+05:30", "utc": "2026-01-30T05:39:38Z", "ms": 1769751577909.8284 }, "end": { "local": "2026-01-31T08:26:02+05:30", "utc": "2026-01-31T02:56:02Z", "ms": 1769828162226.6099 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-01-30", "window": { "start": { "local": "2026-01-30T18:12:35+05:30", "utc": "2026-01-30T12:42:35Z", "ms": 1769776954557.311 }, "end": { "local": "2026-01-30T19:55:54+05:30", "utc": "2026-01-30T14:25:54Z", "ms": 1769783154224.7837 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2026-01-31", "window": { "start": { "local": "2026-01-31T18:13:15+05:30", "utc": "2026-01-31T12:43:15Z", "ms": 1769863394881.903 }, "end": { "local": "2026-01-31T19:56:26+05:30", "utc": "2026-01-31T14:26:26Z", "ms": 1769869586101.0054 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:10 on Fri 30 Jan to 08:26 on Sat 31 Jan.", "fact": "2026-01-30T05:39:38Z → 2026-01-31T02:56:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:56 on the 30th, 18:13–19:56 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 103 of 103 minutes on the 30th and 0 of 103 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 25377 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2026: Friday 30 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-01-30", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2026 falls on Friday 30 January. Trayodaśī runs from 11:10 on Fri 30 Jan to 08:26 on Sat 31 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-01-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23007, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2026-02-01T05:53:05+05:30", "utc": "2026-02-01T00:23:05Z", "ms": 1769905384620.1013 }, "end": { "local": "2026-02-02T03:39:15+05:30", "utc": "2026-02-01T22:09:15Z", "ms": 1769983754695.7505 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2026-02-01T05:53:05+05:30", "utc": "2026-02-01T00:23:05Z", "ms": 1769905384620.1013 }, "end": { "local": "2026-02-02T03:39:15+05:30", "utc": "2026-02-01T22:09:15Z", "ms": 1769983754695.7505 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-02-01", "window": { "start": { "local": "2026-02-01T12:16:32+05:30", "utc": "2026-02-01T06:46:32Z", "ms": 1769928391939.2095 }, "end": { "local": "2026-02-01T13:04:32+05:30", "utc": "2026-02-01T07:34:32Z", "ms": 1769931271939.2095 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-02-02", "window": { "start": { "local": "2026-02-02T12:16:40+05:30", "utc": "2026-02-02T06:46:40Z", "ms": 1770014799584.1829 }, "end": { "local": "2026-02-02T13:04:40+05:30", "utc": "2026-02-02T07:34:40Z", "ms": 1770017679584.1829 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:53 on Sun 1 Feb to 03:39 on Mon 2 Feb.", "fact": "2026-02-01T00:23:05Z → 2026-02-01T22:09:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 1st, 12:17–13:05 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23007 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Ujjain, 2026: Sunday 1 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maghi-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Maghi purnima (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-02-01", "confidence": "determinate" } ], "quote": "In Ujjain, Māghī Pūrṇimā 2026 falls on Sunday 1 February. Pūrṇimā runs from 05:53 on Sun 1 Feb to 03:39 on Mon 2 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/sankashta-chaturthi?on=2026-02-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9714, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-02-05T00:10:02+05:30", "utc": "2026-02-04T18:40:02Z", "ms": 1770230401859.065 }, "end": { "local": "2026-02-06T00:22:43+05:30", "utc": "2026-02-05T18:52:43Z", "ms": 1770317563407.906 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2026-02-05T00:10:02+05:30", "utc": "2026-02-04T18:40:02Z", "ms": 1770230401859.065 }, "end": { "local": "2026-02-06T00:22:43+05:30", "utc": "2026-02-05T18:52:43Z", "ms": 1770317563407.906 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-02-04", "window": { "start": { "local": "2026-02-04T20:46:28+05:30", "utc": "2026-02-04T15:16:28Z", "ms": 1770218188479.032 }, "end": { "local": "2026-02-04T20:46:28+05:30", "utc": "2026-02-04T15:16:28Z", "ms": 1770218188479.032 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-02-05", "window": { "start": { "local": "2026-02-05T21:40:49+05:30", "utc": "2026-02-05T16:10:49Z", "ms": 1770307849350.9807 }, "end": { "local": "2026-02-05T21:40:49+05:30", "utc": "2026-02-05T16:10:49Z", "ms": 1770307849350.9807 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:10 on Thu 5 Feb to 00:23 on Fri 6 Feb.", "fact": "2026-02-04T18:40:02Z → 2026-02-05T18:52:43Z" }, { "step": "kaala", "text": "Moonrise is at 20:46 on the 4th and 21:41 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9714 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2026: Thursday 5 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-02-05", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2026 falls on Thursday 5 February. Caturthī runs from 00:10 on Thu 5 Feb to 00:23 on Fri 6 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/sankashta-chaturthi?on=2026-02-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/ekadashi?on=2026-02-13", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19264, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-02-12T12:22:40+05:30", "utc": "2026-02-12T06:52:40Z", "ms": 1770879160124.8809 }, "end": { "local": "2026-02-13T14:26:25+05:30", "utc": "2026-02-13T08:56:25Z", "ms": 1770972985372.283 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2026-02-12T12:22:40+05:30", "utc": "2026-02-12T06:52:40Z", "ms": 1770879160124.8809 }, "end": { "local": "2026-02-13T14:26:25+05:30", "utc": "2026-02-13T08:56:25Z", "ms": 1770972985372.283 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-02-12", "window": { "start": { "local": "2026-02-12T07:01:36+05:30", "utc": "2026-02-12T01:31:36Z", "ms": 1770859895627.338 }, "end": { "local": "2026-02-12T07:01:36+05:30", "utc": "2026-02-12T01:31:36Z", "ms": 1770859895627.338 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-02-13", "window": { "start": { "local": "2026-02-13T07:00:59+05:30", "utc": "2026-02-13T01:30:59Z", "ms": 1770946258593.199 }, "end": { "local": "2026-02-13T07:00:59+05:30", "utc": "2026-02-13T01:30:59Z", "ms": 1770946258593.199 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:23 on Thu 12 Feb to 14:26 on Fri 13 Feb.", "fact": "2026-02-12T06:52:40Z → 2026-02-13T08:56:25Z" }, { "step": "kaala", "text": "Sunrise is at 07:02 on the 12th and 07:01 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19264 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Ujjain, 2026: Friday 13 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-02-13", "confidence": "determinate" } ], "quote": "In Ujjain, Vijayā Ekādaśī 2026 falls on Friday 13 February. Ekādaśī runs from 12:23 on Thu 12 Feb to 14:26 on Fri 13 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-02-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/pradosha-vrata?on=2026-02-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-02-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4632, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-02-14T16:02:12+05:30", "utc": "2026-02-14T10:32:12Z", "ms": 1771065131787.1602 }, "end": { "local": "2026-02-15T17:05:21+05:30", "utc": "2026-02-15T11:35:21Z", "ms": 1771155321111.8179 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2026-02-14T16:02:12+05:30", "utc": "2026-02-14T10:32:12Z", "ms": 1771065131787.1602 }, "end": { "local": "2026-02-15T17:05:21+05:30", "utc": "2026-02-15T11:35:21Z", "ms": 1771155321111.8179 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-02-14", "window": { "start": { "local": "2026-02-14T18:21:59+05:30", "utc": "2026-02-14T12:51:59Z", "ms": 1771073518767.558 }, "end": { "local": "2026-02-14T20:03:00+05:30", "utc": "2026-02-14T14:33:00Z", "ms": 1771079580460.1138 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "2026-02-15", "window": { "start": { "local": "2026-02-15T18:22:33+05:30", "utc": "2026-02-15T12:52:33Z", "ms": 1771159953019.327 }, "end": { "local": "2026-02-15T20:03:25+05:30", "utc": "2026-02-15T14:33:25Z", "ms": 1771166004804.4119 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:02 on Sat 14 Feb to 17:05 on Sun 15 Feb.", "fact": "2026-02-14T10:32:12Z → 2026-02-15T11:35:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:22–20:03 on the 14th, 18:23–20:03 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 101 of 101 minutes on the 14th and 0 of 101 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4632 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2026: Saturday 14 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": "2026-02-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-02-14", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2026 falls on Saturday 14 February. Trayodaśī runs from 16:02 on Sat 14 Feb to 17:05 on Sun 15 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-02-14", "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/2026/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-02-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24129, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2026-02-15T17:05:21+05:30", "utc": "2026-02-15T11:35:21Z", "ms": 1771155321111.8179 }, "end": { "local": "2026-02-16T17:34:35+05:30", "utc": "2026-02-16T12:04:35Z", "ms": 1771243474790.8882 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2026-02-15T17:05:21+05:30", "utc": "2026-02-15T11:35:21Z", "ms": 1771155321111.8179 }, "end": { "local": "2026-02-16T17:34:35+05:30", "utc": "2026-02-16T12:04:35Z", "ms": 1771243474790.8882 } }, "kaala": "nishita", "days": [ { "local_date": "2026-02-15", "window": { "start": { "local": "2026-02-16T00:16:47+05:30", "utc": "2026-02-15T18:46:47Z", "ms": 1771181207213.3958 }, "end": { "local": "2026-02-16T01:04:47+05:30", "utc": "2026-02-15T19:34:47Z", "ms": 1771184087213.3958 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-02-16", "window": { "start": { "local": "2026-02-17T00:16:44+05:30", "utc": "2026-02-16T18:46:44Z", "ms": 1771267603605.3206 }, "end": { "local": "2026-02-17T01:04:44+05:30", "utc": "2026-02-16T19:34:44Z", "ms": 1771270483605.3206 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:05 on Sun 15 Feb to 17:35 on Mon 16 Feb.", "fact": "2026-02-15T11:35:21Z → 2026-02-16T12:04:35Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:17–01:05 on the 15th, 00:17–01:05 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 24129 s" }, { "step": "ruling", "text": "Mahāśivarātri, Ujjain, 2026: Sunday 15 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-02-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-02-15", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-02-15" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Mahāśivarātri (Shivratri) 2026 falls on Sunday 15 February. Caturdaśī runs from 17:05 on Sun 15 Feb to 17:35 on Mon 16 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/vinayaka-chaturthi?on=2026-02-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-02-21", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 197, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-02-20T14:38:55+05:30", "utc": "2026-02-20T09:08:55Z", "ms": 1771578534766.0374 }, "end": { "local": "2026-02-21T13:01:21+05:30", "utc": "2026-02-21T07:31:21Z", "ms": 1771659080695.064 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2026-02-20T14:38:55+05:30", "utc": "2026-02-20T09:08:55Z", "ms": 1771578534766.0374 }, "end": { "local": "2026-02-21T13:01:21+05:30", "utc": "2026-02-21T07:31:21Z", "ms": 1771659080695.064 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-02-20", "window": { "start": { "local": "2026-02-20T12:16:45+05:30", "utc": "2026-02-20T06:46:45Z", "ms": 1771570004617.8032 }, "end": { "local": "2026-02-20T13:04:45+05:30", "utc": "2026-02-20T07:34:45Z", "ms": 1771572884617.8032 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-02-21", "window": { "start": { "local": "2026-02-21T12:16:38+05:30", "utc": "2026-02-21T06:46:38Z", "ms": 1771656398045.4504 }, "end": { "local": "2026-02-21T13:04:38+05:30", "utc": "2026-02-21T07:34:38Z", "ms": 1771659278045.4504 } }, "covered_min": 45, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:39 on Fri 20 Feb to 13:01 on Sat 21 Feb.", "fact": "2026-02-20T09:08:55Z → 2026-02-21T07:31:21Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 45 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 197 s < 300 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2026: Saturday 21 February.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-02-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-02-21", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2026 falls on Saturday 21 February. Caturthī runs from 14:39 on Fri 20 Feb to 13:01 on Sat 21 Feb and covers 45 of 48 minutes of madhyāhna that midday. It is 3 min 17 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ujjain/festivals/2026/vinayaka-chaturthi?on=2026-02-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/ekadashi?on=2026-02-27", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22605, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-02-27T00:33:57+05:30", "utc": "2026-02-26T19:03:57Z", "ms": 1772132636579.3596 }, "end": { "local": "2026-02-27T22:33:19+05:30", "utc": "2026-02-27T17:03:19Z", "ms": 1772211798678.6035 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2026-02-27T00:33:57+05:30", "utc": "2026-02-26T19:03:57Z", "ms": 1772132636579.3596 }, "end": { "local": "2026-02-27T22:33:19+05:30", "utc": "2026-02-27T17:03:19Z", "ms": 1772211798678.6035 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-02-27", "window": { "start": { "local": "2026-02-27T06:50:42+05:30", "utc": "2026-02-27T01:20:42Z", "ms": 1772155242074.2927 }, "end": { "local": "2026-02-27T06:50:42+05:30", "utc": "2026-02-27T01:20:42Z", "ms": 1772155242074.2927 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-02-28", "window": { "start": { "local": "2026-02-28T06:49:52+05:30", "utc": "2026-02-28T01:19:52Z", "ms": 1772241591964.8293 }, "end": { "local": "2026-02-28T06:49:52+05:30", "utc": "2026-02-28T01:19:52Z", "ms": 1772241591964.8293 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:34 on Fri 27 Feb to 22:33 on Fri 27 Feb.", "fact": "2026-02-26T19:03:57Z → 2026-02-27T17:03:19Z" }, { "step": "kaala", "text": "Sunrise is at 06:51 on the 27th and 06:50 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22605 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Ujjain, 2026: Friday 27 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-02-27", "confidence": "determinate" } ], "quote": "In Ujjain, Āmalakī Ekādaśī 2026 falls on Friday 27 February. Ekādaśī runs from 00:34 on Fri 27 Feb to 22:33 on Fri 27 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-02-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/pradosha-vrata?on=2026-03-01", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2148, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-02-28T20:43:43+05:30", "utc": "2026-02-28T15:13:43Z", "ms": 1772291622704.0183 }, "end": { "local": "2026-03-01T19:09:42+05:30", "utc": "2026-03-01T13:39:42Z", "ms": 1772372382449.9817 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2026-02-28T20:43:43+05:30", "utc": "2026-02-28T15:13:43Z", "ms": 1772291622704.0183 }, "end": { "local": "2026-03-01T19:09:42+05:30", "utc": "2026-03-01T13:39:42Z", "ms": 1772372382449.9817 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-02-28", "window": { "start": { "local": "2026-02-28T18:29:17+05:30", "utc": "2026-02-28T12:59:17Z", "ms": 1772283556997.8657 }, "end": { "local": "2026-02-28T20:07:55+05:30", "utc": "2026-02-28T14:37:55Z", "ms": 1772289474889.597 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2026-03-01", "window": { "start": { "local": "2026-03-01T18:29:45+05:30", "utc": "2026-03-01T12:59:45Z", "ms": 1772369985011.3015 }, "end": { "local": "2026-03-01T20:08:12+05:30", "utc": "2026-03-01T14:38:12Z", "ms": 1772375892312.0337 } }, "covered_min": 40, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:44 on Sat 28 Feb to 19:10 on Sun 1 Mar.", "fact": "2026-02-28T15:13:43Z → 2026-03-01T13:39:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:29–20:08 on the 28th, 18:30–20:08 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 28th and 40 of 98 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2148 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2026: Sunday 1 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-03-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-01", "confidence": "boundary" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2026 falls on Sunday 1 March. Trayodaśī runs from 20:44 on Sat 28 Feb to 19:10 on Sun 1 Mar and covers 40 of 98 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-03-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-03", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2044, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2026-03-02T17:56:09+05:30", "utc": "2026-03-02T12:26:09Z", "ms": 1772454368791.7974 }, "end": { "local": "2026-03-03T17:07:54+05:30", "utc": "2026-03-03T11:37:54Z", "ms": 1772537873730.05 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2026-03-02T17:56:09+05:30", "utc": "2026-03-02T12:26:09Z", "ms": 1772454368791.7974 }, "end": { "local": "2026-03-03T17:07:54+05:30", "utc": "2026-03-03T11:37:54Z", "ms": 1772537873730.05 } }, "kaala": "sayahna", "days": [ { "local_date": "2026-03-02", "window": { "start": { "local": "2026-03-02T16:09:48+05:30", "utc": "2026-03-02T10:39:48Z", "ms": 1772447988061.4817 }, "end": { "local": "2026-03-02T18:30:13+05:30", "utc": "2026-03-02T13:00:13Z", "ms": 1772456412635.1538 } }, "covered_min": 34, "window_min": 140, "qualifies": true }, { "local_date": "2026-03-03", "window": { "start": { "local": "2026-03-03T16:09:59+05:30", "utc": "2026-03-03T10:39:59Z", "ms": 1772534399454.8596 }, "end": { "local": "2026-03-03T18:30:40+05:30", "utc": "2026-03-03T13:00:40Z", "ms": 1772542839884.4333 } }, "covered_min": 58, "window_min": 141, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:56 on Mon 2 Mar to 17:08 on Tue 3 Mar.", "fact": "2026-03-02T12:26:09Z → 2026-03-03T11:37:54Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:10–18:30 on the 2nd, 16:10–18:31 on the 3rd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 34 of 140 minutes on the 2nd and 58 of 141 on the 3rd.", "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 2044 s" }, { "step": "ruling", "text": "Holikā Dahana, Ujjain, 2026: Tuesday 3 March.", "fact": "confidence: boundary (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": "2026-03-03", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-03", "confidence": "boundary" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-03-03" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Holikā Dahana 2026 falls on Tuesday 3 March. Pūrṇimā runs from 17:56 on Mon 2 Mar to 17:08 on Tue 3 Mar and covers 58 of 141 minutes of sāyāhna that late afternoon. It also reaches the previous late afternoon for 34 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/2026/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/2026/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-04", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2044, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2026-03-02T17:56:09+05:30", "utc": "2026-03-02T12:26:09Z", "ms": 1772454368791.7974 }, "end": { "local": "2026-03-03T17:07:54+05:30", "utc": "2026-03-03T11:37:54Z", "ms": 1772537873730.05 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2026-03-02T17:56:09+05:30", "utc": "2026-03-02T12:26:09Z", "ms": 1772454368791.7974 }, "end": { "local": "2026-03-03T17:07:54+05:30", "utc": "2026-03-03T11:37:54Z", "ms": 1772537873730.05 } }, "kaala": "sayahna", "days": [ { "local_date": "2026-03-02", "window": { "start": { "local": "2026-03-02T16:09:48+05:30", "utc": "2026-03-02T10:39:48Z", "ms": 1772447988061.4817 }, "end": { "local": "2026-03-02T18:30:13+05:30", "utc": "2026-03-02T13:00:13Z", "ms": 1772456412635.1538 } }, "covered_min": 34, "window_min": 140, "qualifies": true }, { "local_date": "2026-03-03", "window": { "start": { "local": "2026-03-03T16:09:59+05:30", "utc": "2026-03-03T10:39:59Z", "ms": 1772534399454.8596 }, "end": { "local": "2026-03-03T18:30:40+05:30", "utc": "2026-03-03T13:00:40Z", "ms": 1772542839884.4333 } }, "covered_min": 58, "window_min": 141, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2026-03-03", "days": 1 }, "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:56 on Mon 2 Mar to 17:08 on Tue 3 Mar.", "fact": "2026-03-02T12:26:09Z → 2026-03-03T11:37:54Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:10–18:30 on the 2nd, 16:10–18:31 on the 3rd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 34 of 140 minutes on the 2nd and 58 of 141 on the 3rd.", "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 2044 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Tuesday 3 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Ujjain, 2026: Wednesday 4 March.", "fact": "confidence: boundary (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": "2026-03-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-04", "confidence": "boundary" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-03-04" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Holī 2026 falls on Wednesday 4 March. It is kept the day after Holikā Dahana, which falls on Tuesday 3 March. Pūrṇimā runs from 17:56 on Mon 2 Mar to 17:08 on Tue 3 Mar and covers 58 of 141 minutes of sāyāhna on the 3rd. It also reaches the previous late afternoon for 34 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/2026/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/2026/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36180, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2026-03-03T17:07:54+05:30", "utc": "2026-03-03T11:37:54Z", "ms": 1772537873730.05 }, "end": { "local": "2026-03-04T16:49:25+05:30", "utc": "2026-03-04T11:19:25Z", "ms": 1772623165042.9336 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2026-03-03T17:07:54+05:30", "utc": "2026-03-03T11:37:54Z", "ms": 1772537873730.05 }, "end": { "local": "2026-03-04T16:49:25+05:30", "utc": "2026-03-04T11:19:25Z", "ms": 1772623165042.9336 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-03-03", "window": { "start": { "local": "2026-03-03T06:47:18+05:30", "utc": "2026-03-03T01:17:18Z", "ms": 1772500637736.5645 }, "end": { "local": "2026-03-03T06:47:18+05:30", "utc": "2026-03-03T01:17:18Z", "ms": 1772500637736.5645 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-03-04", "window": { "start": { "local": "2026-03-04T06:46:25+05:30", "utc": "2026-03-04T01:16:25Z", "ms": 1772586985124.4985 }, "end": { "local": "2026-03-04T06:46:25+05:30", "utc": "2026-03-04T01:16:25Z", "ms": 1772586985124.4985 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 17:08 on Tue 3 Mar to 16:49 on Wed 4 Mar.", "fact": "2026-03-03T11:37:54Z → 2026-03-04T11:19:25Z" }, { "step": "kaala", "text": "Sunrise is at 06:47 on the 3rd and 06:46 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 36180 s" }, { "step": "ruling", "text": "Vasantotsava, Ujjain, 2026: Wednesday 4 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasantotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "sunrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-04", "confidence": "determinate" } ], "quote": "In Ujjain, Vasantotsava 2026 falls on Wednesday 4 March. Pratipadā runs from 17:08 on Tue 3 Mar to 16:49 on Wed 4 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/sankashta-chaturthi?on=2026-03-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10284, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-03-06T17:53:54+05:30", "utc": "2026-03-06T12:23:54Z", "ms": 1772799834103.1558 }, "end": { "local": "2026-03-07T19:17:44+05:30", "utc": "2026-03-07T13:47:44Z", "ms": 1772891264492.6362 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2026-03-06T17:53:54+05:30", "utc": "2026-03-06T12:23:54Z", "ms": 1772799834103.1558 }, "end": { "local": "2026-03-07T19:17:44+05:30", "utc": "2026-03-07T13:47:44Z", "ms": 1772891264492.6362 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-03-06", "window": { "start": { "local": "2026-03-06T21:15:14+05:30", "utc": "2026-03-06T15:45:14Z", "ms": 1772811914143.946 }, "end": { "local": "2026-03-06T21:15:14+05:30", "utc": "2026-03-06T15:45:14Z", "ms": 1772811914143.946 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-03-07", "window": { "start": { "local": "2026-03-07T22:09:09+05:30", "utc": "2026-03-07T16:39:09Z", "ms": 1772901548793.3762 }, "end": { "local": "2026-03-07T22:09:09+05:30", "utc": "2026-03-07T16:39:09Z", "ms": 1772901548793.3762 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:54 on Fri 6 Mar to 19:18 on Sat 7 Mar.", "fact": "2026-03-06T12:23:54Z → 2026-03-07T13:47:44Z" }, { "step": "kaala", "text": "Moonrise is at 21:15 on the 6th and 22:09 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10284 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2026: Friday 6 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": "2026-03-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-06", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2026 falls on Friday 6 March. Caturthī runs from 17:54 on Fri 6 Mar to 19:18 on Sat 7 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/sankashta-chaturthi?on=2026-03-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28371, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2026-03-11T01:54:49+05:30", "utc": "2026-03-10T20:24:49Z", "ms": 1773174288912.2734 }, "end": { "local": "2026-03-12T04:19:58+05:30", "utc": "2026-03-11T22:49:58Z", "ms": 1773269398042.6848 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2026-03-11T01:54:49+05:30", "utc": "2026-03-10T20:24:49Z", "ms": 1773174288912.2734 }, "end": { "local": "2026-03-12T04:19:58+05:30", "utc": "2026-03-11T22:49:58Z", "ms": 1773269398042.6848 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-03-11", "window": { "start": { "local": "2026-03-11T12:13:05+05:30", "utc": "2026-03-11T06:43:05Z", "ms": 1773211384613.2803 }, "end": { "local": "2026-03-11T13:01:05+05:30", "utc": "2026-03-11T07:31:05Z", "ms": 1773214264613.2803 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-03-12", "window": { "start": { "local": "2026-03-12T12:12:49+05:30", "utc": "2026-03-12T06:42:49Z", "ms": 1773297768776.9878 }, "end": { "local": "2026-03-12T13:00:49+05:30", "utc": "2026-03-12T07:30:49Z", "ms": 1773300648776.9878 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:55 on Wed 11 Mar to 04:20 on Thu 12 Mar.", "fact": "2026-03-10T20:24:49Z → 2026-03-11T22:49:58Z" }, { "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": "Aṣṭamī 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 28371 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Ujjain, 2026: Wednesday 11 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": "2026-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-11", "confidence": "determinate" } ], "quote": "In Ujjain, Śītalāṣṭamī 2026 falls on Wednesday 11 March. Aṣṭamī runs from 01:55 on Wed 11 Mar to 04:20 on Thu 12 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ekadashi?on=2026-03-15", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5654, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-03-14T08:11:27+05:30", "utc": "2026-03-14T02:41:27Z", "ms": 1773456086906.2505 }, "end": { "local": "2026-03-15T09:17:01+05:30", "utc": "2026-03-15T03:47:01Z", "ms": 1773546420984.6248 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2026-03-14T08:11:27+05:30", "utc": "2026-03-14T02:41:27Z", "ms": 1773456086906.2505 }, "end": { "local": "2026-03-15T09:17:01+05:30", "utc": "2026-03-15T03:47:01Z", "ms": 1773546420984.6248 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-03-14", "window": { "start": { "local": "2026-03-14T06:37:13+05:30", "utc": "2026-03-14T01:07:13Z", "ms": 1773450433318.067 }, "end": { "local": "2026-03-14T06:37:13+05:30", "utc": "2026-03-14T01:07:13Z", "ms": 1773450433318.067 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-03-15", "window": { "start": { "local": "2026-03-15T06:36:16+05:30", "utc": "2026-03-15T01:06:16Z", "ms": 1773536776179.1553 }, "end": { "local": "2026-03-15T06:36:16+05:30", "utc": "2026-03-15T01:06:16Z", "ms": 1773536776179.1553 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:11 on Sat 14 Mar to 09:17 on Sun 15 Mar.", "fact": "2026-03-14T02:41:27Z → 2026-03-15T03:47:01Z" }, { "step": "kaala", "text": "Sunrise is at 06:37 on the 14th and 06:36 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5654 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Ujjain, 2026: Sunday 15 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-03-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-15", "confidence": "determinate" } ], "quote": "In Ujjain, Pāpamocanī Ekādaśī 2026 falls on Sunday 15 March. Ekādaśī runs from 08:11 on Sat 14 Mar to 09:17 on Sun 15 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-03-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/pradosha-vrata?on=2026-03-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32086, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-03-16T09:41:21+05:30", "utc": "2026-03-16T04:11:21Z", "ms": 1773634280732.4075 }, "end": { "local": "2026-03-17T09:23:30+05:30", "utc": "2026-03-17T03:53:30Z", "ms": 1773719610246.8215 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2026-03-16T09:41:21+05:30", "utc": "2026-03-16T04:11:21Z", "ms": 1773634280732.4075 }, "end": { "local": "2026-03-17T09:23:30+05:30", "utc": "2026-03-17T03:53:30Z", "ms": 1773719610246.8215 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-03-16", "window": { "start": { "local": "2026-03-16T18:36:07+05:30", "utc": "2026-03-16T13:06:07Z", "ms": 1773666366893.1643 }, "end": { "local": "2026-03-16T20:11:53+05:30", "utc": "2026-03-16T14:41:53Z", "ms": 1773672112797.8398 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "2026-03-17", "window": { "start": { "local": "2026-03-17T18:36:30+05:30", "utc": "2026-03-17T13:06:30Z", "ms": 1773752790432.4785 }, "end": { "local": "2026-03-17T20:12:05+05:30", "utc": "2026-03-17T14:42:05Z", "ms": 1773758525490.2856 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:41 on Mon 16 Mar to 09:24 on Tue 17 Mar.", "fact": "2026-03-16T04:11:21Z → 2026-03-17T03:53:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–20:12 on the 16th, 18:37–20:12 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 96 of 96 minutes on the 16th and 0 of 96 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32086 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2026: Monday 16 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-03-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-16", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2026 falls on Monday 16 March. Trayodaśī runs from 09:41 on Mon 16 Mar to 09:24 on Tue 17 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-03-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/shivaratri?on=2026-03-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26818, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2026-03-17T09:23:30+05:30", "utc": "2026-03-17T03:53:30Z", "ms": 1773719610246.8215 }, "end": { "local": "2026-03-18T08:25:54+05:30", "utc": "2026-03-18T02:55:54Z", "ms": 1773802554406.3203 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2026-03-17T09:23:30+05:30", "utc": "2026-03-17T03:53:30Z", "ms": 1773719610246.8215 }, "end": { "local": "2026-03-18T08:25:54+05:30", "utc": "2026-03-18T02:55:54Z", "ms": 1773802554406.3203 } }, "kaala": "nishita", "days": [ { "local_date": "2026-03-16", "window": { "start": { "local": "2026-03-17T00:11:14+05:30", "utc": "2026-03-16T18:41:14Z", "ms": 1773686474035.6973 }, "end": { "local": "2026-03-17T00:59:14+05:30", "utc": "2026-03-16T19:29:14Z", "ms": 1773689354035.6973 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-03-17", "window": { "start": { "local": "2026-03-18T00:10:57+05:30", "utc": "2026-03-17T18:40:57Z", "ms": 1773772856899.2554 }, "end": { "local": "2026-03-18T00:58:57+05:30", "utc": "2026-03-17T19:28:57Z", "ms": 1773775736899.2554 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:24 on Tue 17 Mar to 08:26 on Wed 18 Mar.", "fact": "2026-03-17T03:53:30Z → 2026-03-18T02:55:54Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:11–00:59 on the 16th, 00:11–00:59 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26818 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2026: Tuesday 17 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-03-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-17", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2026 falls on Tuesday 17 March. Caturdaśī runs from 09:24 on Tue 17 Mar to 08:26 on Wed 18 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2026/shivaratri?on=2026-03-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19042, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2026-03-19T06:53:29+05:30", "utc": "2026-03-19T01:23:29Z", "ms": 1773883408727.197 }, "end": { "local": "2026-03-20T04:52:48+05:30", "utc": "2026-03-19T23:22:48Z", "ms": 1773962568036.4124 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2026-03-19T06:53:29+05:30", "utc": "2026-03-19T01:23:29Z", "ms": 1773883408727.197 }, "end": { "local": "2026-03-20T04:52:48+05:30", "utc": "2026-03-19T23:22:48Z", "ms": 1773962568036.4124 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-03-19", "window": { "start": { "local": "2026-03-19T12:10:51+05:30", "utc": "2026-03-19T06:40:51Z", "ms": 1773902451193.1987 }, "end": { "local": "2026-03-19T12:58:51+05:30", "utc": "2026-03-19T07:28:51Z", "ms": 1773905331193.1987 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-03-20", "window": { "start": { "local": "2026-03-20T12:10:34+05:30", "utc": "2026-03-20T06:40:34Z", "ms": 1773988833651.0493 }, "end": { "local": "2026-03-20T12:58:34+05:30", "utc": "2026-03-20T07:28:34Z", "ms": 1773991713651.0493 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 06:53 on Thu 19 Mar to 04:53 on Fri 20 Mar.", "fact": "2026-03-19T01:23:29Z → 2026-03-19T23:22:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 19th, 12:11–12:59 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19042 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Ujjain, 2026: Thursday 19 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-19", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-03-19" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Navarātrārambha (Caitra) (Chaitra Navratri) 2026 falls on Thursday 19 March. Pratipadā runs from 06:53 on Thu 19 Mar to 04:53 on Fri 20 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34735, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2026-03-21T02:31:21+05:30", "utc": "2026-03-20T21:01:21Z", "ms": 1774040481427.9746 }, "end": { "local": "2026-03-21T23:56:56+05:30", "utc": "2026-03-21T18:26:56Z", "ms": 1774117615563.96 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2026-03-21T02:31:21+05:30", "utc": "2026-03-20T21:01:21Z", "ms": 1774040481427.9746 }, "end": { "local": "2026-03-21T23:56:56+05:30", "utc": "2026-03-21T18:26:56Z", "ms": 1774117615563.96 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-03-21", "window": { "start": { "local": "2026-03-21T12:10:16+05:30", "utc": "2026-03-21T06:40:16Z", "ms": 1774075215973.2415 }, "end": { "local": "2026-03-21T12:58:16+05:30", "utc": "2026-03-21T07:28:16Z", "ms": 1774078095973.2415 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-03-22", "window": { "start": { "local": "2026-03-22T12:09:58+05:30", "utc": "2026-03-22T06:39:58Z", "ms": 1774161598176.0803 }, "end": { "local": "2026-03-22T12:57:58+05:30", "utc": "2026-03-22T07:27:58Z", "ms": 1774164478176.0803 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 02:31 on Sat 21 Mar to 23:57 on Sat 21 Mar.", "fact": "2026-03-20T21:01:21Z → 2026-03-21T18:26:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 21st, 12:10–12:58 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34735 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Ujjain, 2026: Saturday 21 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-21", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-03-21" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Gaurī Tṛtīyā (Gangaur) 2026 falls on Saturday 21 March. Tṛtīyā runs from 02:31 on Sat 21 Mar to 23:57 on Sat 21 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34735, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2026-03-21T02:31:21+05:30", "utc": "2026-03-20T21:01:21Z", "ms": 1774040481427.9746 }, "end": { "local": "2026-03-21T23:56:56+05:30", "utc": "2026-03-21T18:26:56Z", "ms": 1774117615563.96 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2026-03-21T02:31:21+05:30", "utc": "2026-03-20T21:01:21Z", "ms": 1774040481427.9746 }, "end": { "local": "2026-03-21T23:56:56+05:30", "utc": "2026-03-21T18:26:56Z", "ms": 1774117615563.96 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-03-21", "window": { "start": { "local": "2026-03-21T12:10:16+05:30", "utc": "2026-03-21T06:40:16Z", "ms": 1774075215973.2415 }, "end": { "local": "2026-03-21T12:58:16+05:30", "utc": "2026-03-21T07:28:16Z", "ms": 1774078095973.2415 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-03-22", "window": { "start": { "local": "2026-03-22T12:09:58+05:30", "utc": "2026-03-22T06:39:58Z", "ms": 1774161598176.0803 }, "end": { "local": "2026-03-22T12:57:58+05:30", "utc": "2026-03-22T07:27:58Z", "ms": 1774164478176.0803 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 02:31 on Sat 21 Mar to 23:57 on Sat 21 Mar.", "fact": "2026-03-20T21:01:21Z → 2026-03-21T18:26:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 21st, 12:10–12:58 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34735 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Ujjain, 2026: Saturday 21 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-21", "confidence": "determinate" } ], "quote": "In Ujjain, Saubhāgya Śayana Vrata 2026 falls on Saturday 21 March. Tṛtīyā runs from 02:31 on Sat 21 Mar to 23:57 on Sat 21 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/vinayaka-chaturthi?on=2026-03-22", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29947, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-03-21T23:56:56+05:30", "utc": "2026-03-21T18:26:56Z", "ms": 1774117615563.96 }, "end": { "local": "2026-03-22T21:17:05+05:30", "utc": "2026-03-22T15:47:05Z", "ms": 1774194425498.585 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2026-03-21T23:56:56+05:30", "utc": "2026-03-21T18:26:56Z", "ms": 1774117615563.96 }, "end": { "local": "2026-03-22T21:17:05+05:30", "utc": "2026-03-22T15:47:05Z", "ms": 1774194425498.585 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-03-21", "window": { "start": { "local": "2026-03-21T12:10:16+05:30", "utc": "2026-03-21T06:40:16Z", "ms": 1774075215973.2415 }, "end": { "local": "2026-03-21T12:58:16+05:30", "utc": "2026-03-21T07:28:16Z", "ms": 1774078095973.2415 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-03-22", "window": { "start": { "local": "2026-03-22T12:09:58+05:30", "utc": "2026-03-22T06:39:58Z", "ms": 1774161598176.0803 }, "end": { "local": "2026-03-22T12:57:58+05:30", "utc": "2026-03-22T07:27:58Z", "ms": 1774164478176.0803 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:57 on Sat 21 Mar to 21:17 on Sun 22 Mar.", "fact": "2026-03-21T18:26:56Z → 2026-03-22T15:47:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 21st, 12:10–12:58 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29947 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2026: Sunday 22 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-22", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2026 falls on Sunday 22 March. Caturthī runs from 23:57 on Sat 21 Mar to 21:17 on Sun 22 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/vinayaka-chaturthi?on=2026-03-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20471, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2026-03-22T21:17:05+05:30", "utc": "2026-03-22T15:47:05Z", "ms": 1774194425498.585 }, "end": { "local": "2026-03-23T18:38:51+05:30", "utc": "2026-03-23T13:08:51Z", "ms": 1774271331471.3594 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2026-03-22T21:17:05+05:30", "utc": "2026-03-22T15:47:05Z", "ms": 1774194425498.585 }, "end": { "local": "2026-03-23T18:38:51+05:30", "utc": "2026-03-23T13:08:51Z", "ms": 1774271331471.3594 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-03-22", "window": { "start": { "local": "2026-03-22T12:09:58+05:30", "utc": "2026-03-22T06:39:58Z", "ms": 1774161598176.0803 }, "end": { "local": "2026-03-22T12:57:58+05:30", "utc": "2026-03-22T07:27:58Z", "ms": 1774164478176.0803 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-03-23", "window": { "start": { "local": "2026-03-23T12:09:40+05:30", "utc": "2026-03-23T06:39:40Z", "ms": 1774247980276.267 }, "end": { "local": "2026-03-23T12:57:40+05:30", "utc": "2026-03-23T07:27:40Z", "ms": 1774250860276.267 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 21:17 on Sun 22 Mar to 18:39 on Mon 23 Mar.", "fact": "2026-03-22T15:47:05Z → 2026-03-23T13:08:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 22nd, 12:10–12:58 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20471 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Ujjain, 2026: Monday 23 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-23", "confidence": "determinate" } ], "quote": "In Ujjain, Lakṣmī Pañcamī 2026 falls on Monday 23 March. Pañcamī runs from 21:17 on Sun 22 Mar to 18:39 on Mon 23 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1164, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2026-03-26T11:49:22+05:30", "utc": "2026-03-26T06:19:22Z", "ms": 1774505962255.234 }, "end": { "local": "2026-03-27T10:07:22+05:30", "utc": "2026-03-27T04:37:22Z", "ms": 1774586242469.28 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2026-03-26T11:49:22+05:30", "utc": "2026-03-26T06:19:22Z", "ms": 1774505962255.234 }, "end": { "local": "2026-03-27T10:07:22+05:30", "utc": "2026-03-27T04:37:22Z", "ms": 1774586242469.28 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-03-26", "window": { "start": { "local": "2026-03-26T12:08:46+05:30", "utc": "2026-03-26T06:38:46Z", "ms": 1774507126139.2512 }, "end": { "local": "2026-03-26T12:56:46+05:30", "utc": "2026-03-26T07:26:46Z", "ms": 1774510006139.2512 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-03-27", "window": { "start": { "local": "2026-03-27T12:08:28+05:30", "utc": "2026-03-27T06:38:28Z", "ms": 1774593508011.8293 }, "end": { "local": "2026-03-27T12:56:28+05:30", "utc": "2026-03-27T07:26:28Z", "ms": 1774596388011.8293 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 11:49 on Thu 26 Mar to 10:07 on Fri 27 Mar.", "fact": "2026-03-26T06:19:22Z → 2026-03-27T04:37:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 26th, 12:08–12:56 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1164 s" }, { "step": "ruling", "text": "Rāma Navamī, Ujjain, 2026: Thursday 26 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-26", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-03-26" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Rāma Navamī 2026 falls on Thursday 26 March. Navamī runs from 11:49 on Thu 26 Mar to 10:07 on Fri 27 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1164, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2026-03-25T13:50:35+05:30", "utc": "2026-03-25T08:20:35Z", "ms": 1774426834612.0962 }, "end": { "local": "2026-03-26T11:49:22+05:30", "utc": "2026-03-26T06:19:22Z", "ms": 1774505962255.234 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2026-03-25T13:50:35+05:30", "utc": "2026-03-25T08:20:35Z", "ms": 1774426834612.0962 }, "end": { "local": "2026-03-26T11:49:22+05:30", "utc": "2026-03-26T06:19:22Z", "ms": 1774505962255.234 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-03-25", "window": { "start": { "local": "2026-03-25T12:09:04+05:30", "utc": "2026-03-25T06:39:04Z", "ms": 1774420744239.101 }, "end": { "local": "2026-03-25T12:57:04+05:30", "utc": "2026-03-25T07:27:04Z", "ms": 1774423624239.101 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-03-26", "window": { "start": { "local": "2026-03-26T12:08:46+05:30", "utc": "2026-03-26T06:38:46Z", "ms": 1774507126139.2512 }, "end": { "local": "2026-03-26T12:56:46+05:30", "utc": "2026-03-26T07:26:46Z", "ms": 1774510006139.2512 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 13:51 on Wed 25 Mar to 11:49 on Thu 26 Mar.", "fact": "2026-03-25T08:20:35Z → 2026-03-26T06:19:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 25th, 12:09–12:57 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 1164 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Ujjain, 2026: Thursday 26 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-26", "confidence": "boundary" } ], "quote": "In Ujjain, Bhavānī Utpatti 2026 falls on Thursday 26 March. Aṣṭamī runs from 13:51 on Wed 25 Mar to 11:49 on Thu 26 Mar, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ekadashi?on=2026-03-29", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5056, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-03-28T08:46:15+05:30", "utc": "2026-03-28T03:16:15Z", "ms": 1774667774564.423 }, "end": { "local": "2026-03-29T07:46:57+05:30", "utc": "2026-03-29T02:16:57Z", "ms": 1774750616689.161 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2026-03-28T08:46:15+05:30", "utc": "2026-03-28T03:16:15Z", "ms": 1774667774564.423 }, "end": { "local": "2026-03-29T07:46:57+05:30", "utc": "2026-03-29T02:16:57Z", "ms": 1774750616689.161 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-03-28", "window": { "start": { "local": "2026-03-28T06:23:39+05:30", "utc": "2026-03-28T00:53:39Z", "ms": 1774659219473.5547 }, "end": { "local": "2026-03-28T06:23:39+05:30", "utc": "2026-03-28T00:53:39Z", "ms": 1774659219473.5547 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-03-29", "window": { "start": { "local": "2026-03-29T06:22:41+05:30", "utc": "2026-03-29T00:52:41Z", "ms": 1774745561050.002 }, "end": { "local": "2026-03-29T06:22:41+05:30", "utc": "2026-03-29T00:52:41Z", "ms": 1774745561050.002 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:46 on Sat 28 Mar to 07:47 on Sun 29 Mar.", "fact": "2026-03-28T03:16:15Z → 2026-03-29T02:16:57Z" }, { "step": "kaala", "text": "Sunrise is at 06:24 on the 28th and 06:23 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5056 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Ujjain, 2026: Sunday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-29", "confidence": "determinate" } ], "quote": "In Ujjain, Kāmadā Ekādaśī 2026 falls on Sunday 29 March. Ekādaśī runs from 08:46 on Sat 28 Mar to 07:47 on Sun 29 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-03-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17846, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-03-30T07:10:08+05:30", "utc": "2026-03-30T01:40:08Z", "ms": 1774834807725.309 }, "end": { "local": "2026-03-31T06:56:27+05:30", "utc": "2026-03-31T01:26:27Z", "ms": 1774920386818.4717 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2026-03-30T07:10:08+05:30", "utc": "2026-03-30T01:40:08Z", "ms": 1774834807725.309 }, "end": { "local": "2026-03-31T06:56:27+05:30", "utc": "2026-03-31T01:26:27Z", "ms": 1774920386818.4717 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-03-30", "window": { "start": { "local": "2026-03-30T12:07:34+05:30", "utc": "2026-03-30T06:37:34Z", "ms": 1774852653678.0527 }, "end": { "local": "2026-03-30T12:55:34+05:30", "utc": "2026-03-30T07:25:34Z", "ms": 1774855533678.0527 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-03-31", "window": { "start": { "local": "2026-03-31T12:07:16+05:30", "utc": "2026-03-31T06:37:16Z", "ms": 1774939035657.0562 }, "end": { "local": "2026-03-31T12:55:16+05:30", "utc": "2026-03-31T07:25:16Z", "ms": 1774941915657.0562 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:10 on Mon 30 Mar to 06:56 on Tue 31 Mar.", "fact": "2026-03-30T01:40:08Z → 2026-03-31T01:26:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 30th, 12:07–12:55 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17846 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Ujjain, 2026: Monday 30 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-30", "confidence": "determinate" } ], "quote": "In Ujjain, Anaṅga Trayodaśī 2026 falls on Monday 30 March. Trayodaśī runs from 07:10 on Mon 30 Mar to 06:56 on Tue 31 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/pradosha-vrata?on=2026-03-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38508, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-03-30T07:10:08+05:30", "utc": "2026-03-30T01:40:08Z", "ms": 1774834807725.309 }, "end": { "local": "2026-03-31T06:56:27+05:30", "utc": "2026-03-31T01:26:27Z", "ms": 1774920386818.4717 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2026-03-30T07:10:08+05:30", "utc": "2026-03-30T01:40:08Z", "ms": 1774834807725.309 }, "end": { "local": "2026-03-31T06:56:27+05:30", "utc": "2026-03-31T01:26:27Z", "ms": 1774920386818.4717 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-03-29", "window": { "start": { "local": "2026-03-29T18:41:02+05:30", "utc": "2026-03-29T13:11:02Z", "ms": 1774789862468.4006 }, "end": { "local": "2026-03-29T20:14:28+05:30", "utc": "2026-03-29T14:44:28Z", "ms": 1774795467836.1401 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "2026-03-30", "window": { "start": { "local": "2026-03-30T18:41:25+05:30", "utc": "2026-03-30T13:11:25Z", "ms": 1774876284629.658 }, "end": { "local": "2026-03-30T20:14:39+05:30", "utc": "2026-03-30T14:44:39Z", "ms": 1774881879283.1514 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:10 on Mon 30 Mar to 06:56 on Tue 31 Mar.", "fact": "2026-03-30T01:40:08Z → 2026-03-31T01:26:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:41–20:14 on the 29th, 18:41–20:15 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 93 minutes on the 29th and 93 of 93 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 38508 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2026: Monday 30 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-30", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2026 falls on Monday 30 March. Trayodaśī runs from 07:10 on Mon 30 Mar to 06:56 on Tue 31 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-03-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18014, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2026-03-31T06:56:27+05:30", "utc": "2026-03-31T01:26:27Z", "ms": 1774920386818.4717 }, "end": { "local": "2026-04-01T07:06:44+05:30", "utc": "2026-04-01T01:36:44Z", "ms": 1775007404179.0378 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2026-03-31T06:56:27+05:30", "utc": "2026-03-31T01:26:27Z", "ms": 1774920386818.4717 }, "end": { "local": "2026-04-01T07:06:44+05:30", "utc": "2026-04-01T01:36:44Z", "ms": 1775007404179.0378 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-03-31", "window": { "start": { "local": "2026-03-31T12:07:16+05:30", "utc": "2026-03-31T06:37:16Z", "ms": 1774939035657.0562 }, "end": { "local": "2026-03-31T12:55:16+05:30", "utc": "2026-03-31T07:25:16Z", "ms": 1774941915657.0562 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-04-01", "window": { "start": { "local": "2026-04-01T12:06:58+05:30", "utc": "2026-04-01T06:36:58Z", "ms": 1775025417718.9512 }, "end": { "local": "2026-04-01T12:54:58+05:30", "utc": "2026-04-01T07:24:58Z", "ms": 1775028297718.9512 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:56 on Tue 31 Mar to 07:07 on Wed 1 Apr.", "fact": "2026-03-31T01:26:27Z → 2026-04-01T01:36:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 31st, 12:07–12:55 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18014 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Ujjain, 2026: Tuesday 31 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-03-31", "confidence": "determinate" } ], "quote": "In Ujjain, Viṣṇudamanaka Caturdaśī 2026 falls on Tuesday 31 March. Caturdaśī runs from 06:56 on Tue 31 Mar to 07:07 on Wed 1 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15882, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2026-04-01T07:06:44+05:30", "utc": "2026-04-01T01:36:44Z", "ms": 1775007404179.0378 }, "end": { "local": "2026-04-02T07:41:58+05:30", "utc": "2026-04-02T02:11:58Z", "ms": 1775095917995.767 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2026-04-01T07:06:44+05:30", "utc": "2026-04-01T01:36:44Z", "ms": 1775007404179.0378 }, "end": { "local": "2026-04-02T07:41:58+05:30", "utc": "2026-04-02T02:11:58Z", "ms": 1775095917995.767 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-04-01", "window": { "start": { "local": "2026-04-01T12:06:58+05:30", "utc": "2026-04-01T06:36:58Z", "ms": 1775025417718.9512 }, "end": { "local": "2026-04-01T12:54:58+05:30", "utc": "2026-04-01T07:24:58Z", "ms": 1775028297718.9512 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-04-02", "window": { "start": { "local": "2026-04-02T12:06:40+05:30", "utc": "2026-04-02T06:36:40Z", "ms": 1775111799886.3906 }, "end": { "local": "2026-04-02T12:54:40+05:30", "utc": "2026-04-02T07:24:40Z", "ms": 1775114679886.3906 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:07 on Wed 1 Apr to 07:42 on Thu 2 Apr.", "fact": "2026-04-01T01:36:44Z → 2026-04-02T02:11:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 1st, 12:07–12:55 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15882 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Ujjain, 2026: Wednesday 1 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": "2026-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-04-01", "confidence": "determinate" } ], "quote": "In Ujjain, Caitrī Pūrṇimā 2026 falls on Wednesday 1 April. Pūrṇimā runs from 07:07 on Wed 1 Apr to 07:42 on Thu 2 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/sankashta-chaturthi?on=2026-04-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30753, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-04-05T12:00:17+05:30", "utc": "2026-04-05T06:30:17Z", "ms": 1775370617460.649 }, "end": { "local": "2026-04-06T14:11:07+05:30", "utc": "2026-04-06T08:41:07Z", "ms": 1775464867456.71 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2026-04-05T12:00:17+05:30", "utc": "2026-04-05T06:30:17Z", "ms": 1775370617460.649 }, "end": { "local": "2026-04-06T14:11:07+05:30", "utc": "2026-04-06T08:41:07Z", "ms": 1775464867456.71 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-04-05", "window": { "start": { "local": "2026-04-05T21:48:32+05:30", "utc": "2026-04-05T16:18:32Z", "ms": 1775405912279.9443 }, "end": { "local": "2026-04-05T21:48:32+05:30", "utc": "2026-04-05T16:18:32Z", "ms": 1775405912279.9443 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-04-06", "window": { "start": { "local": "2026-04-06T22:43:40+05:30", "utc": "2026-04-06T17:13:40Z", "ms": 1775495620056.7483 }, "end": { "local": "2026-04-06T22:43:40+05:30", "utc": "2026-04-06T17:13:40Z", "ms": 1775495620056.7483 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:00 on Sun 5 Apr to 14:11 on Mon 6 Apr.", "fact": "2026-04-05T06:30:17Z → 2026-04-06T08:41:07Z" }, { "step": "kaala", "text": "Moonrise is at 21:49 on the 5th and 22:44 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30753 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2026: Sunday 5 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": "2026-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-04-05", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2026 falls on Sunday 5 April. Caturthī runs from 12:00 on Sun 5 Apr to 14:11 on Mon 6 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/sankashta-chaturthi?on=2026-04-05", "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/2026/ekadashi?on=2026-04-13", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17467, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-04-13T01:17:25+05:30", "utc": "2026-04-12T19:47:25Z", "ms": 1776023245277.5662 }, "end": { "local": "2026-04-14T01:09:12+05:30", "utc": "2026-04-13T19:39:12Z", "ms": 1776109151656.291 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2026-04-13T01:17:25+05:30", "utc": "2026-04-12T19:47:25Z", "ms": 1776023245277.5662 }, "end": { "local": "2026-04-14T01:09:12+05:30", "utc": "2026-04-13T19:39:12Z", "ms": 1776109151656.291 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-04-13", "window": { "start": { "local": "2026-04-13T06:08:32+05:30", "utc": "2026-04-13T00:38:32Z", "ms": 1776040712224.385 }, "end": { "local": "2026-04-13T06:08:32+05:30", "utc": "2026-04-13T00:38:32Z", "ms": 1776040712224.385 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-04-14", "window": { "start": { "local": "2026-04-14T06:07:39+05:30", "utc": "2026-04-14T00:37:39Z", "ms": 1776127058689.5154 }, "end": { "local": "2026-04-14T06:07:39+05:30", "utc": "2026-04-14T00:37:39Z", "ms": 1776127058689.5154 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:17 on Mon 13 Apr to 01:09 on Tue 14 Apr.", "fact": "2026-04-12T19:47:25Z → 2026-04-13T19:39:12Z" }, { "step": "kaala", "text": "Sunrise is at 06:09 on the 13th and 06:08 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 13th and is not on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17467 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Ujjain, 2026: Monday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-04-13", "confidence": "determinate" } ], "quote": "In Ujjain, Varūthinī Ekādaśī 2026 falls on Monday 13 April. Ekādaśī runs from 01:17 on Mon 13 Apr to 01:09 on Tue 14 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-04-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12300, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2026-04-14T09:32:39+05:30", "utc": "2026-04-14T04:02:39Z", "ms": 1776139358748.865 }, "end": { "local": "2026-05-15T06:22:02+05:30", "utc": "2026-05-15T00:52:02Z", "ms": 1778806321941.3997 } }, "span": { "of": "transit", "start": { "local": "2026-04-14T09:32:39+05:30", "utc": "2026-04-14T04:02:39Z", "ms": 1776139358748.865 }, "end": { "local": "2026-04-14T09:32:39+05:30", "utc": "2026-04-14T04:02:39Z", "ms": 1776139358748.865 } }, "kaala": "day", "days": [ { "local_date": "2026-04-13", "window": { "start": { "local": "2026-04-13T06:08:32+05:30", "utc": "2026-04-13T00:38:32Z", "ms": 1776040712224.385 }, "end": { "local": "2026-04-14T06:07:39+05:30", "utc": "2026-04-14T00:37:39Z", "ms": 1776127058689.5154 } }, "covered_min": 0, "window_min": 1439, "qualifies": false }, { "local_date": "2026-04-14", "window": { "start": { "local": "2026-04-14T06:07:39+05:30", "utc": "2026-04-14T00:37:39Z", "ms": 1776127058689.5154 }, "end": { "local": "2026-04-15T06:06:46+05:30", "utc": "2026-04-15T00:36:46Z", "ms": 1776213405678.9275 } }, "covered_min": 1, "window_min": 1439, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 09:33 on Tue 14 Apr.", "fact": "2026-04-14T04:02:39Z · 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 12300 s" }, { "step": "ruling", "text": "Vaiśākhī, Ujjain, 2026: Tuesday 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": "2026-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-04-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2026-04-14", "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": "2026-04-14", "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": [ "2026-04-14" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Vaiśākhī (Baisakhi) 2026 falls on Tuesday 14 April. The Sun enters Meṣa at 09:33 on Tue 14 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/pradosha-vrata?on=2026-04-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8024, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-04-15T00:12:51+05:30", "utc": "2026-04-14T18:42:51Z", "ms": 1776192171237.0603 }, "end": { "local": "2026-04-15T22:31:39+05:30", "utc": "2026-04-15T17:01:39Z", "ms": 1776272499496.595 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2026-04-15T00:12:51+05:30", "utc": "2026-04-14T18:42:51Z", "ms": 1776192171237.0603 }, "end": { "local": "2026-04-15T22:31:39+05:30", "utc": "2026-04-15T17:01:39Z", "ms": 1776272499496.595 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-04-14", "window": { "start": { "local": "2026-04-14T18:47:05+05:30", "utc": "2026-04-14T13:17:05Z", "ms": 1776172624769.47 }, "end": { "local": "2026-04-14T20:17:42+05:30", "utc": "2026-04-14T14:47:42Z", "ms": 1776178062224.0642 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2026-04-15", "window": { "start": { "local": "2026-04-15T18:47:29+05:30", "utc": "2026-04-15T13:17:29Z", "ms": 1776259048517.283 }, "end": { "local": "2026-04-15T20:17:56+05:30", "utc": "2026-04-15T14:47:56Z", "ms": 1776264475810.2773 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:13 on Wed 15 Apr to 22:32 on Wed 15 Apr.", "fact": "2026-04-14T18:42:51Z → 2026-04-15T17:01:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:18 on the 14th, 18:47–20:18 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 14th and 90 of 90 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8024 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2026: Wednesday 15 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-04-15", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2026 falls on Wednesday 15 April. Trayodaśī runs from 00:13 on Wed 15 Apr to 22:32 on Wed 15 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-04-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/shivaratri?on=2026-04-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5461, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2026-04-15T22:31:39+05:30", "utc": "2026-04-15T17:01:39Z", "ms": 1776272499496.595 }, "end": { "local": "2026-04-16T20:11:52+05:30", "utc": "2026-04-16T14:41:52Z", "ms": 1776350511770.0989 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2026-04-15T22:31:39+05:30", "utc": "2026-04-15T17:01:39Z", "ms": 1776272499496.595 }, "end": { "local": "2026-04-16T20:11:52+05:30", "utc": "2026-04-16T14:41:52Z", "ms": 1776350511770.0989 } }, "kaala": "nishita", "days": [ { "local_date": "2026-04-15", "window": { "start": { "local": "2026-04-16T00:02:41+05:30", "utc": "2026-04-15T18:32:41Z", "ms": 1776277960866.012 }, "end": { "local": "2026-04-16T00:50:41+05:30", "utc": "2026-04-15T19:20:41Z", "ms": 1776280840866.012 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-04-16", "window": { "start": { "local": "2026-04-17T00:02:27+05:30", "utc": "2026-04-16T18:32:27Z", "ms": 1776364346880.0435 }, "end": { "local": "2026-04-17T00:50:27+05:30", "utc": "2026-04-16T19:20:27Z", "ms": 1776367226880.0435 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:32 on Wed 15 Apr to 20:12 on Thu 16 Apr.", "fact": "2026-04-15T17:01:39Z → 2026-04-16T14:41:52Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:03–00:51 on the 15th, 00:02–00:50 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5461 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2026: Wednesday 15 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-04-15", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2026 falls on Wednesday 15 April. Caturdaśī runs from 22:32 on Wed 15 Apr to 20:12 on Thu 16 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2026/shivaratri?on=2026-04-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28759, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2026-04-19T10:49:46+05:30", "utc": "2026-04-19T05:19:46Z", "ms": 1776575985911.446 }, "end": { "local": "2026-04-20T07:28:01+05:30", "utc": "2026-04-20T01:58:01Z", "ms": 1776650280504.588 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2026-04-19T10:49:46+05:30", "utc": "2026-04-19T05:19:46Z", "ms": 1776575985911.446 }, "end": { "local": "2026-04-20T07:28:01+05:30", "utc": "2026-04-20T01:58:01Z", "ms": 1776650280504.588 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-04-19", "window": { "start": { "local": "2026-04-19T18:49:05+05:30", "utc": "2026-04-19T13:19:05Z", "ms": 1776604745288.9612 }, "end": { "local": "2026-04-19T20:18:52+05:30", "utc": "2026-04-19T14:48:52Z", "ms": 1776610132480.7158 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "2026-04-20", "window": { "start": { "local": "2026-04-20T18:49:30+05:30", "utc": "2026-04-20T13:19:30Z", "ms": 1776691169926.287 }, "end": { "local": "2026-04-20T20:19:07+05:30", "utc": "2026-04-20T14:49:07Z", "ms": 1776696547241.8535 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 10:50 on Sun 19 Apr to 07:28 on Mon 20 Apr.", "fact": "2026-04-19T05:19:46Z → 2026-04-20T01:58:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:19 on the 19th, 18:49–20:19 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 90 of 90 minutes on the 19th and 0 of 90 on the 20th.", "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 28759 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Ujjain, 2026: Sunday 19 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-04-19", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-04-19" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Paraśurāma Jayantī 2026 falls on Sunday 19 April. Tṛtīyā runs from 10:50 on Sun 19 Apr to 07:28 on Mon 20 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1871, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2026-04-19T10:49:46+05:30", "utc": "2026-04-19T05:19:46Z", "ms": 1776575985911.446 }, "end": { "local": "2026-04-20T07:28:01+05:30", "utc": "2026-04-20T01:58:01Z", "ms": 1776650280504.588 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2026-04-19T10:49:46+05:30", "utc": "2026-04-19T05:19:46Z", "ms": 1776575985911.446 }, "end": { "local": "2026-04-20T07:28:01+05:30", "utc": "2026-04-20T01:58:01Z", "ms": 1776650280504.588 } }, "kaala": "purvahna", "days": [ { "local_date": "2026-04-19", "window": { "start": { "local": "2026-04-19T06:03:19+05:30", "utc": "2026-04-19T00:33:19Z", "ms": 1776558799305.2063 }, "end": { "local": "2026-04-19T10:18:35+05:30", "utc": "2026-04-19T04:48:35Z", "ms": 1776574114633.1245 } }, "covered_min": 0, "window_min": 255, "qualifies": false }, { "local_date": "2026-04-20", "window": { "start": { "local": "2026-04-20T06:02:29+05:30", "utc": "2026-04-20T00:32:29Z", "ms": 1776645149227.121 }, "end": { "local": "2026-04-20T10:18:09+05:30", "utc": "2026-04-20T04:48:09Z", "ms": 1776660489460.1765 } }, "covered_min": 86, "window_min": 256, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 10:50 on Sun 19 Apr to 07:28 on Mon 20 Apr.", "fact": "2026-04-19T05:19:46Z → 2026-04-20T01:58:01Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:03–10:19 on the 19th, 06:02–10:18 on the 20th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 255 minutes on the 19th and 86 of 256 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1871 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Ujjain, 2026: Monday 20 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-04-20", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-04-20" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Akṣaya Tṛtīyā (Akha Teej) 2026 falls on Monday 20 April. Tṛtīyā runs from 10:50 on Sun 19 Apr to 07:28 on Mon 20 Apr and covers 86 of 256 minutes of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/vinayaka-chaturthi?on=2026-04-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16439, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-04-20T07:28:01+05:30", "utc": "2026-04-20T01:58:01Z", "ms": 1776650280504.588 }, "end": { "local": "2026-04-21T04:15:21+05:30", "utc": "2026-04-20T22:45:21Z", "ms": 1776725121137.8213 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2026-04-20T07:28:01+05:30", "utc": "2026-04-20T01:58:01Z", "ms": 1776650280504.588 }, "end": { "local": "2026-04-21T04:15:21+05:30", "utc": "2026-04-20T22:45:21Z", "ms": 1776725121137.8213 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-04-20", "window": { "start": { "local": "2026-04-20T12:02:00+05:30", "utc": "2026-04-20T06:32:00Z", "ms": 1776666719576.704 }, "end": { "local": "2026-04-20T12:50:00+05:30", "utc": "2026-04-20T07:20:00Z", "ms": 1776669599576.704 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-04-21", "window": { "start": { "local": "2026-04-21T12:01:47+05:30", "utc": "2026-04-21T06:31:47Z", "ms": 1776753107265.865 }, "end": { "local": "2026-04-21T12:49:47+05:30", "utc": "2026-04-21T07:19:47Z", "ms": 1776755987265.865 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:28 on Mon 20 Apr to 04:15 on Tue 21 Apr.", "fact": "2026-04-20T01:58:01Z → 2026-04-20T22:45:21Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16439 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2026: Monday 20 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-04-20", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2026 falls on Monday 20 April. Caturthī runs from 07:28 on Mon 20 Apr to 04:15 on Tue 21 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/vinayaka-chaturthi?on=2026-04-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27986, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2026-04-21T04:15:21+05:30", "utc": "2026-04-20T22:45:21Z", "ms": 1776725121137.8213 }, "end": { "local": "2026-04-22T01:20:21+05:30", "utc": "2026-04-21T19:50:21Z", "ms": 1776801020699.4746 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2026-04-21T04:15:21+05:30", "utc": "2026-04-20T22:45:21Z", "ms": 1776725121137.8213 }, "end": { "local": "2026-04-22T01:20:21+05:30", "utc": "2026-04-21T19:50:21Z", "ms": 1776801020699.4746 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-04-21", "window": { "start": { "local": "2026-04-21T12:01:47+05:30", "utc": "2026-04-21T06:31:47Z", "ms": 1776753107265.865 }, "end": { "local": "2026-04-21T12:49:47+05:30", "utc": "2026-04-21T07:19:47Z", "ms": 1776755987265.865 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-04-22", "window": { "start": { "local": "2026-04-22T12:01:35+05:30", "utc": "2026-04-22T06:31:35Z", "ms": 1776839495373.713 }, "end": { "local": "2026-04-22T12:49:35+05:30", "utc": "2026-04-22T07:19:35Z", "ms": 1776842375373.713 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 04:15 on Tue 21 Apr to 01:20 on Wed 22 Apr.", "fact": "2026-04-20T22:45:21Z → 2026-04-21T19:50:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 21st, 12:02–12:50 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27986 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Ujjain, 2026: Tuesday 21 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-04-21", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-04-21" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Śaṅkara Jayantī (Shankaracharya Jayanti) 2026 falls on Tuesday 21 April. Pañcamī runs from 04:15 on Tue 21 Apr to 01:20 on Wed 22 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28818, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2026-04-22T22:50:04+05:30", "utc": "2026-04-22T17:20:04Z", "ms": 1776878403684.5852 }, "end": { "local": "2026-04-23T20:49:41+05:30", "utc": "2026-04-23T15:19:41Z", "ms": 1776957581446.4875 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2026-04-22T22:50:04+05:30", "utc": "2026-04-22T17:20:04Z", "ms": 1776878403684.5852 }, "end": { "local": "2026-04-23T20:49:41+05:30", "utc": "2026-04-23T15:19:41Z", "ms": 1776957581446.4875 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-04-22", "window": { "start": { "local": "2026-04-22T12:01:35+05:30", "utc": "2026-04-22T06:31:35Z", "ms": 1776839495373.713 }, "end": { "local": "2026-04-22T12:49:35+05:30", "utc": "2026-04-22T07:19:35Z", "ms": 1776842375373.713 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-04-23", "window": { "start": { "local": "2026-04-23T12:01:24+05:30", "utc": "2026-04-23T06:31:24Z", "ms": 1776925883910.1338 }, "end": { "local": "2026-04-23T12:49:24+05:30", "utc": "2026-04-23T07:19:24Z", "ms": 1776928763910.1338 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 22:50 on Wed 22 Apr to 20:50 on Thu 23 Apr.", "fact": "2026-04-22T17:20:04Z → 2026-04-23T15:19:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 22nd, 12:01–12:49 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28818 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Ujjain, 2026: Thursday 23 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-04-23", "confidence": "determinate" } ], "quote": "In Ujjain, Gaṅgotpatti (Ganga Saptami) 2026 falls on Thursday 23 April. Saptamī runs from 22:50 on Wed 22 Apr to 20:50 on Thu 23 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ekadashi?on=2026-04-27", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41986, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-04-26T18:07:28+05:30", "utc": "2026-04-26T12:37:28Z", "ms": 1777207048143.8367 }, "end": { "local": "2026-04-27T18:16:28+05:30", "utc": "2026-04-27T12:46:28Z", "ms": 1777293987782.6794 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2026-04-26T18:07:28+05:30", "utc": "2026-04-26T12:37:28Z", "ms": 1777207048143.8367 }, "end": { "local": "2026-04-27T18:16:28+05:30", "utc": "2026-04-27T12:46:28Z", "ms": 1777293987782.6794 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-04-27", "window": { "start": { "local": "2026-04-27T05:56:58+05:30", "utc": "2026-04-27T00:26:58Z", "ms": 1777249617850.8545 }, "end": { "local": "2026-04-27T05:56:58+05:30", "utc": "2026-04-27T00:26:58Z", "ms": 1777249617850.8545 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-04-28", "window": { "start": { "local": "2026-04-28T05:56:14+05:30", "utc": "2026-04-28T00:26:14Z", "ms": 1777335973505.6052 }, "end": { "local": "2026-04-28T05:56:14+05:30", "utc": "2026-04-28T00:26:14Z", "ms": 1777335973505.6052 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:07 on Sun 26 Apr to 18:16 on Mon 27 Apr.", "fact": "2026-04-26T12:37:28Z → 2026-04-27T12:46:28Z" }, { "step": "kaala", "text": "Sunrise is at 05:57 on the 27th and 05:56 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 41986 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Ujjain, 2026: Monday 27 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-04-27", "confidence": "determinate" } ], "quote": "In Ujjain, Mohinī Ekādaśī 2026 falls on Monday 27 April. Ekādaśī runs from 18:07 on Sun 26 Apr to 18:16 on Mon 27 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-04-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19665, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2026-04-27T18:16:28+05:30", "utc": "2026-04-27T12:46:28Z", "ms": 1777293987782.6794 }, "end": { "local": "2026-04-28T18:52:23+05:30", "utc": "2026-04-28T13:22:23Z", "ms": 1777382543096.378 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2026-04-27T18:16:28+05:30", "utc": "2026-04-27T12:46:28Z", "ms": 1777293987782.6794 }, "end": { "local": "2026-04-28T18:52:23+05:30", "utc": "2026-04-28T13:22:23Z", "ms": 1777382543096.378 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-04-27", "window": { "start": { "local": "2026-04-27T12:00:43+05:30", "utc": "2026-04-27T06:30:43Z", "ms": 1777271442563.6538 }, "end": { "local": "2026-04-27T12:48:43+05:30", "utc": "2026-04-27T07:18:43Z", "ms": 1777274322563.6538 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-04-28", "window": { "start": { "local": "2026-04-28T12:00:33+05:30", "utc": "2026-04-28T06:30:33Z", "ms": 1777357833413.1277 }, "end": { "local": "2026-04-28T12:48:33+05:30", "utc": "2026-04-28T07:18:33Z", "ms": 1777360713413.1277 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:16 on Mon 27 Apr to 18:52 on Tue 28 Apr.", "fact": "2026-04-27T12:46:28Z → 2026-04-28T13:22:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 27th, 12:01–12:49 on the 28th.", "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 27th and 48 of 48 on the 28th.", "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 19665 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Ujjain, 2026: Tuesday 28 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-04-28", "confidence": "determinate" } ], "quote": "In Ujjain, Paraśurāma Dvādaśī 2026 falls on Tuesday 28 April. Dvādaśī runs from 18:16 on Mon 27 Apr to 18:52 on Tue 28 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19665, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2026-04-27T18:16:28+05:30", "utc": "2026-04-27T12:46:28Z", "ms": 1777293987782.6794 }, "end": { "local": "2026-04-28T18:52:23+05:30", "utc": "2026-04-28T13:22:23Z", "ms": 1777382543096.378 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2026-04-27T18:16:28+05:30", "utc": "2026-04-27T12:46:28Z", "ms": 1777293987782.6794 }, "end": { "local": "2026-04-28T18:52:23+05:30", "utc": "2026-04-28T13:22:23Z", "ms": 1777382543096.378 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-04-27", "window": { "start": { "local": "2026-04-27T12:00:43+05:30", "utc": "2026-04-27T06:30:43Z", "ms": 1777271442563.6538 }, "end": { "local": "2026-04-27T12:48:43+05:30", "utc": "2026-04-27T07:18:43Z", "ms": 1777274322563.6538 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-04-28", "window": { "start": { "local": "2026-04-28T12:00:33+05:30", "utc": "2026-04-28T06:30:33Z", "ms": 1777357833413.1277 }, "end": { "local": "2026-04-28T12:48:33+05:30", "utc": "2026-04-28T07:18:33Z", "ms": 1777360713413.1277 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 18:16 on Mon 27 Apr to 18:52 on Tue 28 Apr.", "fact": "2026-04-27T12:46:28Z → 2026-04-28T13:22:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 27th, 12:01–12:49 on the 28th.", "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 27th and 48 of 48 on the 28th.", "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 19665 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Ujjain, 2026: Tuesday 28 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-04-28", "confidence": "determinate" } ], "quote": "In Ujjain, Rukmiṇī Dvādaśī 2026 falls on Tuesday 28 April. Dvādaśī runs from 18:16 on Mon 27 Apr to 18:52 on Tue 28 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/pradosha-vrata?on=2026-04-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-04-28", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 30, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-04-28T18:52:23+05:30", "utc": "2026-04-28T13:22:23Z", "ms": 1777382543096.378 }, "end": { "local": "2026-04-29T19:52:08+05:30", "utc": "2026-04-29T14:22:08Z", "ms": 1777472527970.8435 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2026-04-28T18:52:23+05:30", "utc": "2026-04-28T13:22:23Z", "ms": 1777382543096.378 }, "end": { "local": "2026-04-29T19:52:08+05:30", "utc": "2026-04-29T14:22:08Z", "ms": 1777472527970.8435 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-04-28", "window": { "start": { "local": "2026-04-28T18:52:53+05:30", "utc": "2026-04-28T13:22:53Z", "ms": 1777382573320.6501 }, "end": { "local": "2026-04-28T20:21:14+05:30", "utc": "2026-04-28T14:51:14Z", "ms": 1777387874207.928 } }, "covered_min": 88, "window_min": 88, "qualifies": true }, { "local_date": "2026-04-29", "window": { "start": { "local": "2026-04-29T18:53:20+05:30", "utc": "2026-04-29T13:23:20Z", "ms": 1777468999546.7134 }, "end": { "local": "2026-04-29T20:21:31+05:30", "utc": "2026-04-29T14:51:31Z", "ms": 1777474291244.7385 } }, "covered_min": 59, "window_min": 88, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:52 on Tue 28 Apr to 19:52 on Wed 29 Apr.", "fact": "2026-04-28T13:22:23Z → 2026-04-29T14:22:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:53–20:21 on the 28th, 18:53–20:22 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 88 of 88 minutes on the 28th and 59 of 88 on the 29th.", "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 30 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2026: Tuesday 28 April.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-04-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-04-28", "confidence": "boundary" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2026 falls on Tuesday 28 April. Trayodaśī runs from 18:52 on Tue 28 Apr to 19:52 on Wed 29 Apr and covers all of pradoṣa that evening. It also reaches the next evening for 59 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 30 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-04-28", "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/2026/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1763, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2026-04-29T19:52:08+05:30", "utc": "2026-04-29T14:22:08Z", "ms": 1777472527970.8435 }, "end": { "local": "2026-04-30T21:13:06+05:30", "utc": "2026-04-30T15:43:06Z", "ms": 1777563785642.3496 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2026-04-29T19:52:08+05:30", "utc": "2026-04-29T14:22:08Z", "ms": 1777472527970.8435 }, "end": { "local": "2026-04-30T21:13:06+05:30", "utc": "2026-04-30T15:43:06Z", "ms": 1777563785642.3496 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-04-29", "window": { "start": { "local": "2026-04-29T18:53:20+05:30", "utc": "2026-04-29T13:23:20Z", "ms": 1777468999546.7134 }, "end": { "local": "2026-04-29T20:21:31+05:30", "utc": "2026-04-29T14:51:31Z", "ms": 1777474291244.7385 } }, "covered_min": 29, "window_min": 88, "qualifies": true }, { "local_date": "2026-04-30", "window": { "start": { "local": "2026-04-30T18:53:46+05:30", "utc": "2026-04-30T13:23:46Z", "ms": 1777555425955.651 }, "end": { "local": "2026-04-30T20:21:49+05:30", "utc": "2026-04-30T14:51:49Z", "ms": 1777560708554.571 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:52 on Wed 29 Apr to 21:13 on Thu 30 Apr.", "fact": "2026-04-29T14:22:08Z → 2026-04-30T15:43:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:53–20:22 on the 29th, 18:54–20:22 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 29 of 88 minutes on the 29th and 88 of 88 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both evenings qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1763 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Ujjain, 2026: Thursday 30 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "nrisimha-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')." } ], "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.", "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-04-30", "confidence": "determinate" } ], "quote": "In Ujjain, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2026 falls on Thursday 30 April. Caturdaśī runs from 19:52 on Wed 29 Apr to 21:13 on Thu 30 Apr and covers all of pradoṣa that evening. It also reaches the previous evening for 29 minutes; by the rule the second evening is taken.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30289, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2026-04-30T21:13:06+05:30", "utc": "2026-04-30T15:43:06Z", "ms": 1777563785642.3496 }, "end": { "local": "2026-05-01T22:53:11+05:30", "utc": "2026-05-01T17:23:11Z", "ms": 1777656190702.1204 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2026-04-30T21:13:06+05:30", "utc": "2026-04-30T15:43:06Z", "ms": 1777563785642.3496 }, "end": { "local": "2026-05-01T22:53:11+05:30", "utc": "2026-05-01T17:23:11Z", "ms": 1777656190702.1204 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-04-30", "window": { "start": { "local": "2026-04-30T12:00:17+05:30", "utc": "2026-04-30T06:30:17Z", "ms": 1777530616618.7761 }, "end": { "local": "2026-04-30T12:48:17+05:30", "utc": "2026-04-30T07:18:17Z", "ms": 1777533496618.7761 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-05-01", "window": { "start": { "local": "2026-05-01T12:00:09+05:30", "utc": "2026-05-01T06:30:09Z", "ms": 1777617008997.6125 }, "end": { "local": "2026-05-01T12:48:09+05:30", "utc": "2026-05-01T07:18:09Z", "ms": 1777619888997.6125 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:13 on Thu 30 Apr to 22:53 on Fri 1 May.", "fact": "2026-04-30T15:43:06Z → 2026-05-01T17:23:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 30th, 12:00–12:48 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30289 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Ujjain, 2026: Friday 1 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": "2026-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-05-01", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-05-01" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Buddha Pūrṇimā (Vesak) 2026 falls on Friday 1 May. Pūrṇimā runs from 21:13 on Thu 30 Apr to 22:53 on Fri 1 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30289, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2026-04-30T21:13:06+05:30", "utc": "2026-04-30T15:43:06Z", "ms": 1777563785642.3496 }, "end": { "local": "2026-05-01T22:53:11+05:30", "utc": "2026-05-01T17:23:11Z", "ms": 1777656190702.1204 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2026-04-30T21:13:06+05:30", "utc": "2026-04-30T15:43:06Z", "ms": 1777563785642.3496 }, "end": { "local": "2026-05-01T22:53:11+05:30", "utc": "2026-05-01T17:23:11Z", "ms": 1777656190702.1204 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-04-30", "window": { "start": { "local": "2026-04-30T12:00:17+05:30", "utc": "2026-04-30T06:30:17Z", "ms": 1777530616618.7761 }, "end": { "local": "2026-04-30T12:48:17+05:30", "utc": "2026-04-30T07:18:17Z", "ms": 1777533496618.7761 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-05-01", "window": { "start": { "local": "2026-05-01T12:00:09+05:30", "utc": "2026-05-01T06:30:09Z", "ms": 1777617008997.6125 }, "end": { "local": "2026-05-01T12:48:09+05:30", "utc": "2026-05-01T07:18:09Z", "ms": 1777619888997.6125 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:13 on Thu 30 Apr to 22:53 on Fri 1 May.", "fact": "2026-04-30T15:43:06Z → 2026-05-01T17:23:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 30th, 12:00–12:48 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30289 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Ujjain, 2026: Friday 1 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": "2026-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-05-01", "confidence": "determinate" } ], "quote": "In Ujjain, Sampat Gaurī Vrata 2026 falls on Friday 1 May. Pūrṇimā runs from 21:13 on Thu 30 Apr to 22:53 on Fri 1 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/sankashta-chaturthi?on=2026-05-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28480, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-05-05T05:24:48+05:30", "utc": "2026-05-04T23:54:48Z", "ms": 1777938888208.8892 }, "end": { "local": "2026-05-06T07:51:45+05:30", "utc": "2026-05-06T02:21:45Z", "ms": 1778034104903.1218 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-05-05T05:24:48+05:30", "utc": "2026-05-04T23:54:48Z", "ms": 1777938888208.8892 }, "end": { "local": "2026-05-06T07:51:45+05:30", "utc": "2026-05-06T02:21:45Z", "ms": 1778034104903.1218 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-05-04", "window": { "start": { "local": "2026-05-04T21:30:08+05:30", "utc": "2026-05-04T16:00:08Z", "ms": 1777910408114.7444 }, "end": { "local": "2026-05-04T21:30:08+05:30", "utc": "2026-05-04T16:00:08Z", "ms": 1777910408114.7444 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-05-05", "window": { "start": { "local": "2026-05-05T22:22:23+05:30", "utc": "2026-05-05T16:52:23Z", "ms": 1777999943233.0972 }, "end": { "local": "2026-05-05T22:22:23+05:30", "utc": "2026-05-05T16:52:23Z", "ms": 1777999943233.0972 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:25 on Tue 5 May to 07:52 on Wed 6 May.", "fact": "2026-05-04T23:54:48Z → 2026-05-06T02:21:45Z" }, { "step": "kaala", "text": "Moonrise is at 21:30 on the 4th and 22:22 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28480 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2026: Tuesday 5 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-05-05", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2026 falls on Tuesday 5 May. Caturthī runs from 05:25 on Tue 5 May to 07:52 on Wed 6 May and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/sankashta-chaturthi?on=2026-05-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/ekadashi?on=2026-05-13", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27805, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-05-12T14:52:56+05:30", "utc": "2026-05-12T09:22:56Z", "ms": 1778577775839.8096 }, "end": { "local": "2026-05-13T13:30:22+05:30", "utc": "2026-05-13T08:00:22Z", "ms": 1778659222467.47 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-05-12T14:52:56+05:30", "utc": "2026-05-12T09:22:56Z", "ms": 1778577775839.8096 }, "end": { "local": "2026-05-13T13:30:22+05:30", "utc": "2026-05-13T08:00:22Z", "ms": 1778659222467.47 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-05-12", "window": { "start": { "local": "2026-05-12T05:47:28+05:30", "utc": "2026-05-12T00:17:28Z", "ms": 1778545047820.0344 }, "end": { "local": "2026-05-12T05:47:28+05:30", "utc": "2026-05-12T00:17:28Z", "ms": 1778545047820.0344 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-05-13", "window": { "start": { "local": "2026-05-13T05:46:58+05:30", "utc": "2026-05-13T00:16:58Z", "ms": 1778631417833.682 }, "end": { "local": "2026-05-13T05:46:58+05:30", "utc": "2026-05-13T00:16:58Z", "ms": 1778631417833.682 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:53 on Tue 12 May to 13:30 on Wed 13 May.", "fact": "2026-05-12T09:22:56Z → 2026-05-13T08:00:22Z" }, { "step": "kaala", "text": "Sunrise is at 05:47 on the 12th and 05:47 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27805 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Ujjain, 2026: Wednesday 13 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-05-13", "confidence": "determinate" } ], "quote": "In Ujjain, Aparā Ekādaśī 2026 falls on Wednesday 13 May. Ekādaśī runs from 14:53 on Tue 12 May to 13:30 on Wed 13 May and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-05-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/pradosha-vrata?on=2026-05-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-05-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27550, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-05-14T11:21:03+05:30", "utc": "2026-05-14T05:51:03Z", "ms": 1778737862987.7847 }, "end": { "local": "2026-05-15T08:31:46+05:30", "utc": "2026-05-15T03:01:46Z", "ms": 1778814106218.7312 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-05-14T11:21:03+05:30", "utc": "2026-05-14T05:51:03Z", "ms": 1778737862987.7847 }, "end": { "local": "2026-05-15T08:31:46+05:30", "utc": "2026-05-15T03:01:46Z", "ms": 1778814106218.7312 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-05-14", "window": { "start": { "local": "2026-05-14T19:00:13+05:30", "utc": "2026-05-14T13:30:13Z", "ms": 1778765413003.5964 }, "end": { "local": "2026-05-14T20:26:19+05:30", "utc": "2026-05-14T14:56:19Z", "ms": 1778770579422.657 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2026-05-15", "window": { "start": { "local": "2026-05-15T19:00:42+05:30", "utc": "2026-05-15T13:30:42Z", "ms": 1778851841532.5898 }, "end": { "local": "2026-05-15T20:26:41+05:30", "utc": "2026-05-15T14:56:41Z", "ms": 1778857000590.0054 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:21 on Thu 14 May to 08:32 on Fri 15 May.", "fact": "2026-05-14T05:51:03Z → 2026-05-15T03:01:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:00–20:26 on the 14th, 19:01–20:27 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 86 of 86 minutes on the 14th and 0 of 86 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27550 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2026: Thursday 14 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-05-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-05-14", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2026 falls on Thursday 14 May. Trayodaśī runs from 11:21 on Thu 14 May to 08:32 on Fri 15 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-05-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/shivaratri?on=2026-05-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15868, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2026-05-15T08:31:46+05:30", "utc": "2026-05-15T03:01:46Z", "ms": 1778814106218.7312 }, "end": { "local": "2026-05-16T05:11:36+05:30", "utc": "2026-05-15T23:41:36Z", "ms": 1778888496485.139 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-05-15T08:31:46+05:30", "utc": "2026-05-15T03:01:46Z", "ms": 1778814106218.7312 }, "end": { "local": "2026-05-16T05:11:36+05:30", "utc": "2026-05-15T23:41:36Z", "ms": 1778888496485.139 } }, "kaala": "nishita", "days": [ { "local_date": "2026-05-14", "window": { "start": { "local": "2026-05-14T23:59:07+05:30", "utc": "2026-05-14T18:29:07Z", "ms": 1778783347075.0737 }, "end": { "local": "2026-05-15T00:47:07+05:30", "utc": "2026-05-14T19:17:07Z", "ms": 1778786227075.0737 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-05-15", "window": { "start": { "local": "2026-05-15T23:59:08+05:30", "utc": "2026-05-15T18:29:08Z", "ms": 1778869747997.8984 }, "end": { "local": "2026-05-16T00:47:08+05:30", "utc": "2026-05-15T19:17:08Z", "ms": 1778872627997.8984 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:32 on Fri 15 May to 05:12 on Sat 16 May.", "fact": "2026-05-15T03:01:46Z → 2026-05-15T23:41:36Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:59–00:47 on the 14th, 23:59–00:47 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15868 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2026: Friday 15 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-05-15", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2026 falls on Friday 15 May. Caturdaśī runs from 08:32 on Fri 15 May to 05:12 on Sat 16 May and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2026/shivaratri?on=2026-05-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/vinayaka-chaturthi?on=2026-05-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3136, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-05-19T14:18:55+05:30", "utc": "2026-05-19T08:48:55Z", "ms": 1779180534988.4553 }, "end": { "local": "2026-05-20T11:07:15+05:30", "utc": "2026-05-20T05:37:15Z", "ms": 1779255435139.5898 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-05-19T14:18:55+05:30", "utc": "2026-05-19T08:48:55Z", "ms": 1779180534988.4553 }, "end": { "local": "2026-05-20T11:07:15+05:30", "utc": "2026-05-20T05:37:15Z", "ms": 1779255435139.5898 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-05-19", "window": { "start": { "local": "2026-05-19T11:59:28+05:30", "utc": "2026-05-19T06:29:28Z", "ms": 1779172168435.4868 }, "end": { "local": "2026-05-19T12:47:28+05:30", "utc": "2026-05-19T07:17:28Z", "ms": 1779175048435.4868 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-05-20", "window": { "start": { "local": "2026-05-20T11:59:32+05:30", "utc": "2026-05-20T06:29:32Z", "ms": 1779258571561.8923 }, "end": { "local": "2026-05-20T12:47:32+05:30", "utc": "2026-05-20T07:17:32Z", "ms": 1779261451561.8923 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:19 on Tue 19 May to 11:07 on Wed 20 May.", "fact": "2026-05-19T08:48:55Z → 2026-05-20T05:37:15Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 3136 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2026: Wednesday 20 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": "2026-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-05-20", "confidence": "boundary" } ], "quote": "In Ujjain, Vināyaka Caturthī 2026 falls on Wednesday 20 May. Caturthī runs from 14:19 on Tue 19 May to 11:07 on Wed 20 May, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/ujjain/festivals/2026/vinayaka-chaturthi?on=2026-05-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/ekadashi?on=2026-05-27", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-05-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1844, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-05-26T05:11:25+05:30", "utc": "2026-05-25T23:41:25Z", "ms": 1779752485208.9263 }, "end": { "local": "2026-05-27T06:22:17+05:30", "utc": "2026-05-27T00:52:17Z", "ms": 1779843136577.9622 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-05-26T05:11:25+05:30", "utc": "2026-05-25T23:41:25Z", "ms": 1779752485208.9263 }, "end": { "local": "2026-05-27T06:22:17+05:30", "utc": "2026-05-27T00:52:17Z", "ms": 1779843136577.9622 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-05-26", "window": { "start": { "local": "2026-05-26T05:42:10+05:30", "utc": "2026-05-26T00:12:10Z", "ms": 1779754329505.9824 }, "end": { "local": "2026-05-26T05:42:10+05:30", "utc": "2026-05-26T00:12:10Z", "ms": 1779754329505.9824 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-05-27", "window": { "start": { "local": "2026-05-27T05:41:55+05:30", "utc": "2026-05-27T00:11:55Z", "ms": 1779840715271.9172 }, "end": { "local": "2026-05-27T05:41:55+05:30", "utc": "2026-05-27T00:11:55Z", "ms": 1779840715271.9172 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:11 on Tue 26 May to 06:22 on Wed 27 May.", "fact": "2026-05-25T23:41:25Z → 2026-05-27T00:52:17Z" }, { "step": "kaala", "text": "Sunrise is at 05:42 on the 26th and 05:42 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 on the 27th.", "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 1844 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Ujjain, 2026: Wednesday 27 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-05-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-05-27", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Ekādaśī 2026 falls on Wednesday 27 May. Ekādaśī runs from 05:11 on Tue 26 May to 06:22 on Wed 27 May and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-05-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/pradosha-vrata?on=2026-05-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-05-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33361, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-05-28T07:57:30+05:30", "utc": "2026-05-28T02:27:30Z", "ms": 1779935249539.1748 }, "end": { "local": "2026-05-29T09:51:12+05:30", "utc": "2026-05-29T04:21:12Z", "ms": 1780028472308.251 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-05-28T07:57:30+05:30", "utc": "2026-05-28T02:27:30Z", "ms": 1779935249539.1748 }, "end": { "local": "2026-05-29T09:51:12+05:30", "utc": "2026-05-29T04:21:12Z", "ms": 1780028472308.251 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-05-28", "window": { "start": { "local": "2026-05-28T19:06:47+05:30", "utc": "2026-05-28T13:36:47Z", "ms": 1779975406662.345 }, "end": { "local": "2026-05-28T20:31:24+05:30", "utc": "2026-05-28T15:01:24Z", "ms": 1779980484474.9814 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "2026-05-29", "window": { "start": { "local": "2026-05-29T19:07:13+05:30", "utc": "2026-05-29T13:37:13Z", "ms": 1780061833487.8926 }, "end": { "local": "2026-05-29T20:31:46+05:30", "utc": "2026-05-29T15:01:46Z", "ms": 1780066906286.6777 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:57 on Thu 28 May to 09:51 on Fri 29 May.", "fact": "2026-05-28T02:27:30Z → 2026-05-29T04:21:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:07–20:31 on the 28th, 19:07–20:32 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 85 of 85 minutes on the 28th and 0 of 85 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33361 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2026: Thursday 28 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": "2026-05-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-05-28", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2026 falls on Thursday 28 May. Trayodaśī runs from 07:57 on Thu 28 May to 09:51 on Fri 29 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-05-28", "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/2026/sankashta-chaturthi?on=2026-06-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-06-03", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1894, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-06-03T21:21:45+05:30", "utc": "2026-06-03T15:51:45Z", "ms": 1780501904611.218 }, "end": { "local": "2026-06-04T23:30:57+05:30", "utc": "2026-06-04T18:00:57Z", "ms": 1780596057145.5188 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-06-03T21:21:45+05:30", "utc": "2026-06-03T15:51:45Z", "ms": 1780501904611.218 }, "end": { "local": "2026-06-04T23:30:57+05:30", "utc": "2026-06-04T18:00:57Z", "ms": 1780596057145.5188 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-06-03", "window": { "start": { "local": "2026-06-03T21:53:19+05:30", "utc": "2026-06-03T16:23:19Z", "ms": 1780503798577.2507 }, "end": { "local": "2026-06-03T21:53:19+05:30", "utc": "2026-06-03T16:23:19Z", "ms": 1780503798577.2507 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-06-04", "window": { "start": { "local": "2026-06-04T22:34:51+05:30", "utc": "2026-06-04T17:04:51Z", "ms": 1780592691147.4934 }, "end": { "local": "2026-06-04T22:34:51+05:30", "utc": "2026-06-04T17:04:51Z", "ms": 1780592691147.4934 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:22 on Wed 3 Jun to 23:31 on Thu 4 Jun.", "fact": "2026-06-03T15:51:45Z → 2026-06-04T18:00:57Z" }, { "step": "kaala", "text": "Moonrise is at 21:53 on the 3rd and 22:35 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 3rd and is on the 4th.", "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 1894 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2026: Wednesday 3 June.", "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": "2026-06-03", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-06-03", "confidence": "boundary" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2026 falls on Wednesday 3 June. Caturthī runs from 21:22 on Wed 3 Jun to 23:31 on Thu 4 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/sankashta-chaturthi?on=2026-06-03", "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/2026/ekadashi?on=2026-06-11", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16942, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-06-11T00:58:18+05:30", "utc": "2026-06-10T19:28:18Z", "ms": 1781119697612.0798 }, "end": { "local": "2026-06-11T22:36:45+05:30", "utc": "2026-06-11T17:06:45Z", "ms": 1781197604732.567 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-06-11T00:58:18+05:30", "utc": "2026-06-10T19:28:18Z", "ms": 1781119697612.0798 }, "end": { "local": "2026-06-11T22:36:45+05:30", "utc": "2026-06-11T17:06:45Z", "ms": 1781197604732.567 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-06-11", "window": { "start": { "local": "2026-06-11T05:40:39+05:30", "utc": "2026-06-11T00:10:39Z", "ms": 1781136639150.6921 }, "end": { "local": "2026-06-11T05:40:39+05:30", "utc": "2026-06-11T00:10:39Z", "ms": 1781136639150.6921 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-06-12", "window": { "start": { "local": "2026-06-12T05:40:43+05:30", "utc": "2026-06-12T00:10:43Z", "ms": 1781223043000.4087 }, "end": { "local": "2026-06-12T05:40:43+05:30", "utc": "2026-06-12T00:10:43Z", "ms": 1781223043000.4087 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:58 on Thu 11 Jun to 22:37 on Thu 11 Jun.", "fact": "2026-06-10T19:28:18Z → 2026-06-11T17:06:45Z" }, { "step": "kaala", "text": "Sunrise is at 05:41 on the 11th and 05:41 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16942 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Ujjain, 2026: Thursday 11 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-06-11", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Ekādaśī 2026 falls on Thursday 11 June. Ekādaśī runs from 00:58 on Thu 11 Jun to 22:37 on Thu 11 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-06-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/pradosha-vrata?on=2026-06-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-06-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1461, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-06-12T19:37:09+05:30", "utc": "2026-06-12T14:07:09Z", "ms": 1781273228788.597 }, "end": { "local": "2026-06-13T16:08:14+05:30", "utc": "2026-06-13T10:38:14Z", "ms": 1781347094122.4336 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-06-12T19:37:09+05:30", "utc": "2026-06-12T14:07:09Z", "ms": 1781273228788.597 }, "end": { "local": "2026-06-13T16:08:14+05:30", "utc": "2026-06-13T10:38:14Z", "ms": 1781347094122.4336 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-06-12", "window": { "start": { "local": "2026-06-12T19:12:47+05:30", "utc": "2026-06-12T13:42:47Z", "ms": 1781271767345.5356 }, "end": { "local": "2026-06-12T20:36:31+05:30", "utc": "2026-06-12T15:06:31Z", "ms": 1781276791419.3735 } }, "covered_min": 59, "window_min": 84, "qualifies": true }, { "local_date": "2026-06-13", "window": { "start": { "local": "2026-06-13T19:13:07+05:30", "utc": "2026-06-13T13:43:07Z", "ms": 1781358187157.765 }, "end": { "local": "2026-06-13T20:36:49+05:30", "utc": "2026-06-13T15:06:49Z", "ms": 1781363209380.2378 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:37 on Fri 12 Jun to 16:08 on Sat 13 Jun.", "fact": "2026-06-12T14:07:09Z → 2026-06-13T10:38:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:13–20:37 on the 12th, 19:13–20:37 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 59 of 84 minutes on the 12th and 0 of 84 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 1461 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2026: Friday 12 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-06-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-06-12", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2026 falls on Friday 12 June. Trayodaśī runs from 19:37 on Fri 12 Jun to 16:08 on Sat 13 Jun and covers 59 of 84 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-06-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/shivaratri?on=2026-06-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-06-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28486, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2026-06-13T16:08:14+05:30", "utc": "2026-06-13T10:38:14Z", "ms": 1781347094122.4336 }, "end": { "local": "2026-06-14T12:20:14+05:30", "utc": "2026-06-14T06:50:14Z", "ms": 1781419813799.5808 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-06-13T16:08:14+05:30", "utc": "2026-06-13T10:38:14Z", "ms": 1781347094122.4336 }, "end": { "local": "2026-06-14T12:20:14+05:30", "utc": "2026-06-14T06:50:14Z", "ms": 1781419813799.5808 } }, "kaala": "nishita", "days": [ { "local_date": "2026-06-13", "window": { "start": { "local": "2026-06-14T00:03:00+05:30", "utc": "2026-06-13T18:33:00Z", "ms": 1781375580492.038 }, "end": { "local": "2026-06-14T00:51:00+05:30", "utc": "2026-06-13T19:21:00Z", "ms": 1781378460492.038 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-06-14", "window": { "start": { "local": "2026-06-15T00:03:14+05:30", "utc": "2026-06-14T18:33:14Z", "ms": 1781461993516.2122 }, "end": { "local": "2026-06-15T00:51:14+05:30", "utc": "2026-06-14T19:21:14Z", "ms": 1781464873516.2122 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:08 on Sat 13 Jun to 12:20 on Sun 14 Jun.", "fact": "2026-06-13T10:38:14Z → 2026-06-14T06:50:14Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:03–00:51 on the 13th, 00:03–00:51 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28486 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2026: Saturday 13 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-06-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-06-13", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2026 falls on Saturday 13 June. Caturdaśī runs from 16:08 on Sat 13 Jun to 12:20 on Sun 14 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2026/shivaratri?on=2026-06-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-06-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31641, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2026-06-17T00:52:54+05:30", "utc": "2026-06-16T19:22:54Z", "ms": 1781637773617.5469 }, "end": { "local": "2026-06-17T21:39:09+05:30", "utc": "2026-06-17T16:09:09Z", "ms": 1781712548902.7896 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-06-17T00:52:54+05:30", "utc": "2026-06-16T19:22:54Z", "ms": 1781637773617.5469 }, "end": { "local": "2026-06-17T21:39:09+05:30", "utc": "2026-06-17T16:09:09Z", "ms": 1781712548902.7896 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-06-16", "window": { "start": { "local": "2026-06-16T12:03:35+05:30", "utc": "2026-06-16T06:33:35Z", "ms": 1781591615478.9883 }, "end": { "local": "2026-06-16T12:51:35+05:30", "utc": "2026-06-16T07:21:35Z", "ms": 1781594495478.9883 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-06-17", "window": { "start": { "local": "2026-06-17T12:03:48+05:30", "utc": "2026-06-17T06:33:48Z", "ms": 1781678028326.1196 }, "end": { "local": "2026-06-17T12:51:48+05:30", "utc": "2026-06-17T07:21:48Z", "ms": 1781680908326.1196 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:53 on Wed 17 Jun to 21:39 on Wed 17 Jun.", "fact": "2026-06-16T19:22:54Z → 2026-06-17T16:09:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 16th, 12:04–12:52 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā 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 31641 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Ujjain, 2026: Wednesday 17 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-06-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-06-17", "confidence": "determinate" } ], "quote": "In Ujjain, Rambhā Tṛtīyā 2026 falls on Wednesday 17 June. Tṛtīyā runs from 00:53 on Wed 17 Jun to 21:39 on Wed 17 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/vinayaka-chaturthi?on=2026-06-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22033, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-06-17T21:39:09+05:30", "utc": "2026-06-17T16:09:09Z", "ms": 1781712548902.7896 }, "end": { "local": "2026-06-18T18:59:14+05:30", "utc": "2026-06-18T13:29:14Z", "ms": 1781789354032.5908 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-06-17T21:39:09+05:30", "utc": "2026-06-17T16:09:09Z", "ms": 1781712548902.7896 }, "end": { "local": "2026-06-18T18:59:14+05:30", "utc": "2026-06-18T13:29:14Z", "ms": 1781789354032.5908 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-06-17", "window": { "start": { "local": "2026-06-17T12:03:48+05:30", "utc": "2026-06-17T06:33:48Z", "ms": 1781678028326.1196 }, "end": { "local": "2026-06-17T12:51:48+05:30", "utc": "2026-06-17T07:21:48Z", "ms": 1781680908326.1196 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-06-18", "window": { "start": { "local": "2026-06-18T12:04:01+05:30", "utc": "2026-06-18T06:34:01Z", "ms": 1781764441223.1975 }, "end": { "local": "2026-06-18T12:52:01+05:30", "utc": "2026-06-18T07:22:01Z", "ms": 1781767321223.1975 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:39 on Wed 17 Jun to 18:59 on Thu 18 Jun.", "fact": "2026-06-17T16:09:09Z → 2026-06-18T13:29:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 17th, 12:04–12:52 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22033 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2026: Thursday 18 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-06-18", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2026 falls on Thursday 18 June. Caturthī runs from 21:39 on Wed 17 Jun to 18:59 on Thu 18 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/vinayaka-chaturthi?on=2026-06-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10483, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2026-06-19T17:00:21+05:30", "utc": "2026-06-19T11:30:21Z", "ms": 1781868621438.5261 }, "end": { "local": "2026-06-20T15:47:10+05:30", "utc": "2026-06-20T10:17:10Z", "ms": 1781950629605.3242 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-06-19T17:00:21+05:30", "utc": "2026-06-19T11:30:21Z", "ms": 1781868621438.5261 }, "end": { "local": "2026-06-20T15:47:10+05:30", "utc": "2026-06-20T10:17:10Z", "ms": 1781950629605.3242 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-06-19", "window": { "start": { "local": "2026-06-19T12:04:14+05:30", "utc": "2026-06-19T06:34:14Z", "ms": 1781850854142.6956 }, "end": { "local": "2026-06-19T12:52:14+05:30", "utc": "2026-06-19T07:22:14Z", "ms": 1781853734142.6956 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-06-20", "window": { "start": { "local": "2026-06-20T12:04:27+05:30", "utc": "2026-06-20T06:34:27Z", "ms": 1781937267058.5513 }, "end": { "local": "2026-06-20T12:52:27+05:30", "utc": "2026-06-20T07:22:27Z", "ms": 1781940147058.5513 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:00 on Fri 19 Jun to 15:47 on Sat 20 Jun.", "fact": "2026-06-19T11:30:21Z → 2026-06-20T10:17:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 19th, 12:04–12:52 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10483 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Ujjain, 2026: Saturday 20 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-06-20", "confidence": "determinate" } ], "quote": "In Ujjain, Araṇya Gaurī Vrata 2026 falls on Saturday 20 June. Ṣaṣṭhī runs from 17:00 on Fri 19 Jun to 15:47 on Sat 20 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10483, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2026-06-19T17:00:21+05:30", "utc": "2026-06-19T11:30:21Z", "ms": 1781868621438.5261 }, "end": { "local": "2026-06-20T15:47:10+05:30", "utc": "2026-06-20T10:17:10Z", "ms": 1781950629605.3242 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-06-19T17:00:21+05:30", "utc": "2026-06-19T11:30:21Z", "ms": 1781868621438.5261 }, "end": { "local": "2026-06-20T15:47:10+05:30", "utc": "2026-06-20T10:17:10Z", "ms": 1781950629605.3242 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-06-19", "window": { "start": { "local": "2026-06-19T12:04:14+05:30", "utc": "2026-06-19T06:34:14Z", "ms": 1781850854142.6956 }, "end": { "local": "2026-06-19T12:52:14+05:30", "utc": "2026-06-19T07:22:14Z", "ms": 1781853734142.6956 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-06-20", "window": { "start": { "local": "2026-06-20T12:04:27+05:30", "utc": "2026-06-20T06:34:27Z", "ms": 1781937267058.5513 }, "end": { "local": "2026-06-20T12:52:27+05:30", "utc": "2026-06-20T07:22:27Z", "ms": 1781940147058.5513 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:00 on Fri 19 Jun to 15:47 on Sat 20 Jun.", "fact": "2026-06-19T11:30:21Z → 2026-06-20T10:17:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 19th, 12:04–12:52 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10483 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Ujjain, 2026: Saturday 20 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-06-20", "confidence": "determinate" } ], "quote": "In Ujjain, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2026 falls on Saturday 20 June. Ṣaṣṭhī runs from 17:00 on Fri 19 Jun to 15:47 on Sat 20 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ekadashi?on=2026-06-25", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34403, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-06-24T18:12:50+05:30", "utc": "2026-06-24T12:42:50Z", "ms": 1782304969691.9233 }, "end": { "local": "2026-06-25T20:09:53+05:30", "utc": "2026-06-25T14:39:53Z", "ms": 1782398392825.0134 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-06-24T18:12:50+05:30", "utc": "2026-06-24T12:42:50Z", "ms": 1782304969691.9233 }, "end": { "local": "2026-06-25T20:09:53+05:30", "utc": "2026-06-25T14:39:53Z", "ms": 1782398392825.0134 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-06-25", "window": { "start": { "local": "2026-06-25T05:43:00+05:30", "utc": "2026-06-25T00:13:00Z", "ms": 1782346379669.893 }, "end": { "local": "2026-06-25T05:43:00+05:30", "utc": "2026-06-25T00:13:00Z", "ms": 1782346379669.893 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-06-26", "window": { "start": { "local": "2026-06-26T05:43:16+05:30", "utc": "2026-06-26T00:13:16Z", "ms": 1782432795976.7773 }, "end": { "local": "2026-06-26T05:43:16+05:30", "utc": "2026-06-26T00:13:16Z", "ms": 1782432795976.7773 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:13 on Wed 24 Jun to 20:10 on Thu 25 Jun.", "fact": "2026-06-24T12:42:50Z → 2026-06-25T14:39:53Z" }, { "step": "kaala", "text": "Sunrise is at 05:43 on the 25th and 05:43 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 34403 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Ujjain, 2026: Thursday 25 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": "2026-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-06-25", "confidence": "determinate" } ], "quote": "In Ujjain, Nirjalā Ekādaśī 2026 falls on Thursday 25 June. Ekādaśī runs from 18:13 on Wed 24 Jun to 20:10 on Thu 25 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-06-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26182, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2026-06-25T20:09:53+05:30", "utc": "2026-06-25T14:39:53Z", "ms": 1782398392825.0134 }, "end": { "local": "2026-06-26T22:22:47+05:30", "utc": "2026-06-26T16:52:47Z", "ms": 1782492766852.3916 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-06-25T20:09:53+05:30", "utc": "2026-06-25T14:39:53Z", "ms": 1782398392825.0134 }, "end": { "local": "2026-06-26T22:22:47+05:30", "utc": "2026-06-26T16:52:47Z", "ms": 1782492766852.3916 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-06-25", "window": { "start": { "local": "2026-06-25T12:05:31+05:30", "utc": "2026-06-25T06:35:31Z", "ms": 1782369330753.1333 }, "end": { "local": "2026-06-25T12:53:31+05:30", "utc": "2026-06-25T07:23:31Z", "ms": 1782372210753.1333 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-06-26", "window": { "start": { "local": "2026-06-26T12:05:43+05:30", "utc": "2026-06-26T06:35:43Z", "ms": 1782455743160.6936 }, "end": { "local": "2026-06-26T12:53:43+05:30", "utc": "2026-06-26T07:23:43Z", "ms": 1782458623160.6936 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:10 on Thu 25 Jun to 22:23 on Fri 26 Jun.", "fact": "2026-06-25T14:39:53Z → 2026-06-26T16:52:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 25th, 12:06–12:54 on the 26th.", "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 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26182 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Ujjain, 2026: Friday 26 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-rama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-06-26", "confidence": "determinate" } ], "quote": "In Ujjain, Śrī Rāma Dvādaśī 2026 falls on Friday 26 June. Dvādaśī runs from 20:10 on Thu 25 Jun to 22:23 on Fri 26 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/pradosha-vrata?on=2026-06-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6177, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-06-26T22:22:47+05:30", "utc": "2026-06-26T16:52:47Z", "ms": 1782492766852.3916 }, "end": { "local": "2026-06-28T00:43:54+05:30", "utc": "2026-06-27T19:13:54Z", "ms": 1782587634045.3433 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-06-26T22:22:47+05:30", "utc": "2026-06-26T16:52:47Z", "ms": 1782492766852.3916 }, "end": { "local": "2026-06-28T00:43:54+05:30", "utc": "2026-06-27T19:13:54Z", "ms": 1782587634045.3433 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-06-26", "window": { "start": { "local": "2026-06-26T19:16:10+05:30", "utc": "2026-06-26T13:46:10Z", "ms": 1782481570344.6099 }, "end": { "local": "2026-06-26T20:39:49+05:30", "utc": "2026-06-26T15:09:49Z", "ms": 1782486589363.9875 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2026-06-27", "window": { "start": { "local": "2026-06-27T19:16:18+05:30", "utc": "2026-06-27T13:46:18Z", "ms": 1782567977828.3882 }, "end": { "local": "2026-06-27T20:39:58+05:30", "utc": "2026-06-27T15:09:58Z", "ms": 1782572998209.3064 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:23 on Fri 26 Jun to 00:44 on Sun 28 Jun.", "fact": "2026-06-26T16:52:47Z → 2026-06-27T19:13:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:16–20:40 on the 26th, 19:16–20:40 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 84 minutes on the 26th and 84 of 84 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6177 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2026: Saturday 27 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-06-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-06-27", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2026 falls on Saturday 27 June. Trayodaśī runs from 22:23 on Fri 26 Jun to 00:44 on Sun 28 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-06-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-06-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23209, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2026-06-29T03:06:55+05:30", "utc": "2026-06-28T21:36:55Z", "ms": 1782682615300.2104 }, "end": { "local": "2026-06-30T05:26:41+05:30", "utc": "2026-06-29T23:56:41Z", "ms": 1782777401195.7468 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2026-06-29T03:06:55+05:30", "utc": "2026-06-28T21:36:55Z", "ms": 1782682615300.2104 }, "end": { "local": "2026-06-30T05:26:41+05:30", "utc": "2026-06-29T23:56:41Z", "ms": 1782777401195.7468 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-06-28", "window": { "start": { "local": "2026-06-28T19:16:24+05:30", "utc": "2026-06-28T13:46:24Z", "ms": 1782654384272.1304 }, "end": { "local": "2026-06-28T20:40:06+05:30", "utc": "2026-06-28T15:10:06Z", "ms": 1782659406241.0007 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2026-06-29", "window": { "start": { "local": "2026-06-29T19:16:30+05:30", "utc": "2026-06-29T13:46:30Z", "ms": 1782740789661.2002 }, "end": { "local": "2026-06-29T20:40:13+05:30", "utc": "2026-06-29T15:10:13Z", "ms": 1782745813443.1716 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:07 on Mon 29 Jun to 05:27 on Tue 30 Jun.", "fact": "2026-06-28T21:36:55Z → 2026-06-29T23:56:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:16–20:40 on the 28th, 19:16–20:40 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 84 minutes on the 28th and 84 of 84 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23209 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Ujjain, 2026: Monday 29 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vata-savitri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Vata-savitri vrata (Deccan) (pradosavyapini, purvaviddha), Snanayatra (Bengal & Orissa) (paraviddha)." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-06-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-06-29", "confidence": "determinate" } ], "quote": "In Ujjain, Vaṭa Sāvitrī Vrata (Vat Purnima) 2026 falls on Monday 29 June. Pūrṇimā runs from 03:07 on Mon 29 Jun to 05:27 on Tue 30 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/sankashta-chaturthi?on=2026-07-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34881, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-07-03T11:20:53+05:30", "utc": "2026-07-03T05:50:53Z", "ms": 1783057852840.5537 }, "end": { "local": "2026-07-04T12:40:29+05:30", "utc": "2026-07-04T07:10:29Z", "ms": 1783149029370.1287 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2026-07-03T11:20:53+05:30", "utc": "2026-07-03T05:50:53Z", "ms": 1783057852840.5537 }, "end": { "local": "2026-07-04T12:40:29+05:30", "utc": "2026-07-04T07:10:29Z", "ms": 1783149029370.1287 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-07-03", "window": { "start": { "local": "2026-07-03T21:48:41+05:30", "utc": "2026-07-03T16:18:41Z", "ms": 1783095521475.6182 }, "end": { "local": "2026-07-03T21:48:41+05:30", "utc": "2026-07-03T16:18:41Z", "ms": 1783095521475.6182 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-07-04", "window": { "start": { "local": "2026-07-04T22:21:50+05:30", "utc": "2026-07-04T16:51:50Z", "ms": 1783183910045.6177 }, "end": { "local": "2026-07-04T22:21:50+05:30", "utc": "2026-07-04T16:51:50Z", "ms": 1783183910045.6177 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:21 on Fri 3 Jul to 12:40 on Sat 4 Jul.", "fact": "2026-07-03T05:50:53Z → 2026-07-04T07:10:29Z" }, { "step": "kaala", "text": "Moonrise is at 21:49 on the 3rd and 22:22 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34881 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2026: Friday 3 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-07-03", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2026 falls on Friday 3 July. Caturthī runs from 11:21 on Fri 3 Jul to 12:40 on Sat 4 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/sankashta-chaturthi?on=2026-07-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/ekadashi?on=2026-07-10", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1520, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-07-10T08:16:52+05:30", "utc": "2026-07-10T02:46:52Z", "ms": 1783651611632.2708 }, "end": { "local": "2026-07-11T05:23:12+05:30", "utc": "2026-07-10T23:53:12Z", "ms": 1783727591806.7925 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2026-07-10T08:16:52+05:30", "utc": "2026-07-10T02:46:52Z", "ms": 1783651611632.2708 }, "end": { "local": "2026-07-11T05:23:12+05:30", "utc": "2026-07-10T23:53:12Z", "ms": 1783727591806.7925 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-07-10", "window": { "start": { "local": "2026-07-10T05:48:07+05:30", "utc": "2026-07-10T00:18:07Z", "ms": 1783642687414.9104 }, "end": { "local": "2026-07-10T05:48:07+05:30", "utc": "2026-07-10T00:18:07Z", "ms": 1783642687414.9104 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-07-11", "window": { "start": { "local": "2026-07-11T05:48:32+05:30", "utc": "2026-07-11T00:18:32Z", "ms": 1783729111748.167 }, "end": { "local": "2026-07-11T05:48:32+05:30", "utc": "2026-07-11T00:18:32Z", "ms": 1783729111748.167 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:17 on Fri 10 Jul to 05:23 on Sat 11 Jul.", "fact": "2026-07-10T02:46:52Z → 2026-07-10T23:53:12Z" }, { "step": "kaala", "text": "Sunrise is at 05:48 on the 10th and 05:49 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 not on the 11th.", "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 1520 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Ujjain, 2026: Friday 10 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-07-10", "confidence": "determinate" } ], "quote": "In Ujjain, Yoginī Ekādaśī 2026 falls on Friday 10 July. Ekādaśī runs from 08:17 on Fri 10 Jul to 05:23 on Sat 11 Jul, and is current at sunrise on neither day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-07-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/pradosha-vrata?on=2026-07-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-07-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6602, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-07-12T02:04:47+05:30", "utc": "2026-07-11T20:34:47Z", "ms": 1783802086616.485 }, "end": { "local": "2026-07-12T22:30:27+05:30", "utc": "2026-07-12T17:00:27Z", "ms": 1783875627320.1553 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2026-07-12T02:04:47+05:30", "utc": "2026-07-11T20:34:47Z", "ms": 1783802086616.485 }, "end": { "local": "2026-07-12T22:30:27+05:30", "utc": "2026-07-12T17:00:27Z", "ms": 1783875627320.1553 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-07-11", "window": { "start": { "local": "2026-07-11T19:16:08+05:30", "utc": "2026-07-11T13:46:08Z", "ms": 1783777567846.4995 }, "end": { "local": "2026-07-11T20:40:30+05:30", "utc": "2026-07-11T15:10:30Z", "ms": 1783782630321.0156 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2026-07-12", "window": { "start": { "local": "2026-07-12T19:15:59+05:30", "utc": "2026-07-12T13:45:59Z", "ms": 1783863958542.0735 }, "end": { "local": "2026-07-12T20:40:26+05:30", "utc": "2026-07-12T15:10:26Z", "ms": 1783869025583.7446 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:05 on Sun 12 Jul to 22:30 on Sun 12 Jul.", "fact": "2026-07-11T20:34:47Z → 2026-07-12T17:00:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:16–20:41 on the 11th, 19:16–20:40 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 84 minutes on the 11th and 84 of 84 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 6602 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2026: Sunday 12 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-07-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-07-12", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2026 falls on Sunday 12 July. Trayodaśī runs from 02:05 on Sun 12 Jul to 22:30 on Sun 12 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-07-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/shivaratri?on=2026-07-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-07-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5893, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2026-07-12T22:30:27+05:30", "utc": "2026-07-12T17:00:27Z", "ms": 1783875627320.1553 }, "end": { "local": "2026-07-13T18:50:00+05:30", "utc": "2026-07-13T13:20:00Z", "ms": 1783948799927.4631 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2026-07-12T22:30:27+05:30", "utc": "2026-07-12T17:00:27Z", "ms": 1783875627320.1553 }, "end": { "local": "2026-07-13T18:50:00+05:30", "utc": "2026-07-13T13:20:00Z", "ms": 1783948799927.4631 } }, "kaala": "nishita", "days": [ { "local_date": "2026-07-12", "window": { "start": { "local": "2026-07-13T00:08:40+05:30", "utc": "2026-07-12T18:38:40Z", "ms": 1783881519948.3403 }, "end": { "local": "2026-07-13T00:56:40+05:30", "utc": "2026-07-12T19:26:40Z", "ms": 1783884399948.3403 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-07-13", "window": { "start": { "local": "2026-07-14T00:08:47+05:30", "utc": "2026-07-13T18:38:47Z", "ms": 1783967927305.789 }, "end": { "local": "2026-07-14T00:56:47+05:30", "utc": "2026-07-13T19:26:47Z", "ms": 1783970807305.789 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:30 on Sun 12 Jul to 18:50 on Mon 13 Jul.", "fact": "2026-07-12T17:00:27Z → 2026-07-13T13:20:00Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 12th, 00:09–00:57 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5893 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2026: Sunday 12 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-07-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-07-12", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2026 falls on Sunday 12 July. Caturdaśī runs from 22:30 on Sun 12 Jul to 18:50 on Mon 13 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2026/shivaratri?on=2026-07-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1037, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2026-07-15T11:51:31+05:30", "utc": "2026-07-15T06:21:31Z", "ms": 1784096491043.0425 }, "end": { "local": "2026-07-16T08:53:28+05:30", "utc": "2026-07-16T03:23:28Z", "ms": 1784172208266.1328 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2026-07-15T11:51:31+05:30", "utc": "2026-07-15T06:21:31Z", "ms": 1784096491043.0425 }, "end": { "local": "2026-07-16T08:53:28+05:30", "utc": "2026-07-16T03:23:28Z", "ms": 1784172208266.1328 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-07-15", "window": { "start": { "local": "2026-07-15T12:08:48+05:30", "utc": "2026-07-15T06:38:48Z", "ms": 1784097527730.3174 }, "end": { "local": "2026-07-15T12:56:48+05:30", "utc": "2026-07-15T07:26:48Z", "ms": 1784100407730.3174 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-07-16", "window": { "start": { "local": "2026-07-16T12:08:53+05:30", "utc": "2026-07-16T06:38:53Z", "ms": 1784183933492.1848 }, "end": { "local": "2026-07-16T12:56:53+05:30", "utc": "2026-07-16T07:26:53Z", "ms": 1784186813492.1848 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 11:52 on Wed 15 Jul to 08:53 on Thu 16 Jul.", "fact": "2026-07-15T06:21:31Z → 2026-07-16T03:23:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 15th, 12:09–12:57 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā 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: paraviddha → only-day · margin 1037 s" }, { "step": "ruling", "text": "Rathayātrā, Ujjain, 2026: Wednesday 15 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": "2026-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-07-15", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-07-16" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Rathayātrā 2026 falls on Wednesday 15 July. Dvitīyā runs from 11:52 on Wed 15 Jul to 08:53 on Thu 16 Jul and covers all of madhyāhna that midday. Rashtriya Panchang recorded 16 July (Principal festivals, 2026-27).", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/vinayaka-chaturthi?on=2026-07-17", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20442, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-07-17T06:28:17+05:30", "utc": "2026-07-17T00:58:17Z", "ms": 1784249897175.7295 }, "end": { "local": "2026-07-18T04:43:13+05:30", "utc": "2026-07-17T23:13:13Z", "ms": 1784329992511.913 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2026-07-17T06:28:17+05:30", "utc": "2026-07-17T00:58:17Z", "ms": 1784249897175.7295 }, "end": { "local": "2026-07-18T04:43:13+05:30", "utc": "2026-07-17T23:13:13Z", "ms": 1784329992511.913 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-07-17", "window": { "start": { "local": "2026-07-17T12:08:59+05:30", "utc": "2026-07-17T06:38:59Z", "ms": 1784270338728.7168 }, "end": { "local": "2026-07-17T12:56:59+05:30", "utc": "2026-07-17T07:26:59Z", "ms": 1784273218728.7168 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-07-18", "window": { "start": { "local": "2026-07-18T12:09:03+05:30", "utc": "2026-07-18T06:39:03Z", "ms": 1784356743424.644 }, "end": { "local": "2026-07-18T12:57:03+05:30", "utc": "2026-07-18T07:27:03Z", "ms": 1784359623424.644 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:28 on Fri 17 Jul to 04:43 on Sat 18 Jul.", "fact": "2026-07-17T00:58:17Z → 2026-07-17T23:13:13Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20442 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2026: Friday 17 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": "2026-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-07-17", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2026 falls on Friday 17 July. Caturthī runs from 06:28 on Fri 17 Jul to 04:43 on Sat 18 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/vinayaka-chaturthi?on=2026-07-17", "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/2026/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26751, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2026-07-18T04:43:13+05:30", "utc": "2026-07-17T23:13:13Z", "ms": 1784329992511.913 }, "end": { "local": "2026-07-19T03:43:14+05:30", "utc": "2026-07-18T22:13:14Z", "ms": 1784412793854.7354 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2026-07-18T04:43:13+05:30", "utc": "2026-07-17T23:13:13Z", "ms": 1784329992511.913 }, "end": { "local": "2026-07-19T03:43:14+05:30", "utc": "2026-07-18T22:13:14Z", "ms": 1784412793854.7354 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-07-18", "window": { "start": { "local": "2026-07-18T12:09:03+05:30", "utc": "2026-07-18T06:39:03Z", "ms": 1784356743424.644 }, "end": { "local": "2026-07-18T12:57:03+05:30", "utc": "2026-07-18T07:27:03Z", "ms": 1784359623424.644 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-07-19", "window": { "start": { "local": "2026-07-19T12:09:08+05:30", "utc": "2026-07-19T06:39:08Z", "ms": 1784443147566.7856 }, "end": { "local": "2026-07-19T12:57:08+05:30", "utc": "2026-07-19T07:27:08Z", "ms": 1784446027566.7856 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 04:43 on Sat 18 Jul to 03:43 on Sun 19 Jul.", "fact": "2026-07-17T23:13:13Z → 2026-07-18T22:13:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 18th, 12:09–12:57 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26751 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Ujjain, 2026: Saturday 18 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": "2026-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-07-18", "confidence": "determinate" } ], "quote": "In Ujjain, Skanda Pañcamī 2026 falls on Saturday 18 July. Pañcamī runs from 04:43 on Sat 18 Jul to 03:43 on Sun 19 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-07-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29152, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2026-07-20T03:30:25+05:30", "utc": "2026-07-19T22:00:25Z", "ms": 1784498424663.1855 }, "end": { "local": "2026-07-21T04:03:22+05:30", "utc": "2026-07-20T22:33:22Z", "ms": 1784586802020.4343 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2026-07-20T03:30:25+05:30", "utc": "2026-07-19T22:00:25Z", "ms": 1784498424663.1855 }, "end": { "local": "2026-07-21T04:03:22+05:30", "utc": "2026-07-20T22:33:22Z", "ms": 1784586802020.4343 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-07-20", "window": { "start": { "local": "2026-07-20T12:09:11+05:30", "utc": "2026-07-20T06:39:11Z", "ms": 1784529551143.8992 }, "end": { "local": "2026-07-20T12:57:11+05:30", "utc": "2026-07-20T07:27:11Z", "ms": 1784532431143.8992 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-07-21", "window": { "start": { "local": "2026-07-21T12:09:14+05:30", "utc": "2026-07-21T06:39:14Z", "ms": 1784615954146.4668 }, "end": { "local": "2026-07-21T12:57:14+05:30", "utc": "2026-07-21T07:27:14Z", "ms": 1784618834146.4668 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 03:30 on Mon 20 Jul to 04:03 on Tue 21 Jul.", "fact": "2026-07-19T22:00:25Z → 2026-07-20T22:33:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 20th, 12:09–12:57 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 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: purvaviddha → only-day · margin 29152 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Ujjain, 2026: Monday 20 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": "2026-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-07-20", "confidence": "determinate" } ], "quote": "In Ujjain, Vivasvat Saptamī 2026 falls on Monday 20 July. Saptamī runs from 03:30 on Mon 20 Jul to 04:03 on Tue 21 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ekadashi?on=2026-07-25", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11950, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-07-24T09:13:16+05:30", "utc": "2026-07-24T03:43:16Z", "ms": 1784864596365.1182 }, "end": { "local": "2026-07-25T11:34:48+05:30", "utc": "2026-07-25T06:04:48Z", "ms": 1784959488235.182 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2026-07-24T09:13:16+05:30", "utc": "2026-07-24T03:43:16Z", "ms": 1784864596365.1182 }, "end": { "local": "2026-07-25T11:34:48+05:30", "utc": "2026-07-25T06:04:48Z", "ms": 1784959488235.182 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-07-24", "window": { "start": { "local": "2026-07-24T05:54:06+05:30", "utc": "2026-07-24T00:24:06Z", "ms": 1784852646338.1025 }, "end": { "local": "2026-07-24T05:54:06+05:30", "utc": "2026-07-24T00:24:06Z", "ms": 1784852646338.1025 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-07-25", "window": { "start": { "local": "2026-07-25T05:54:33+05:30", "utc": "2026-07-25T00:24:33Z", "ms": 1784939072539.1252 }, "end": { "local": "2026-07-25T05:54:33+05:30", "utc": "2026-07-25T00:24:33Z", "ms": 1784939072539.1252 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:13 on Fri 24 Jul to 11:35 on Sat 25 Jul.", "fact": "2026-07-24T03:43:16Z → 2026-07-25T06:04:48Z" }, { "step": "kaala", "text": "Sunrise is at 05:54 on the 24th and 05:55 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11950 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Ujjain, 2026: Saturday 25 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-07-25", "confidence": "determinate" } ], "quote": "In Ujjain, Hariśayanī Ekādaśī 2026 falls on Saturday 25 July. Ekādaśī runs from 09:13 on Fri 24 Jul to 11:35 on Sat 25 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-07-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/pradosha-vrata?on=2026-07-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-07-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10549, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-07-26T13:58:21+05:30", "utc": "2026-07-26T08:28:21Z", "ms": 1785054501056.0393 }, "end": { "local": "2026-07-27T16:15:25+05:30", "utc": "2026-07-27T10:45:25Z", "ms": 1785149125341.2046 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2026-07-26T13:58:21+05:30", "utc": "2026-07-26T08:28:21Z", "ms": 1785054501056.0393 }, "end": { "local": "2026-07-27T16:15:25+05:30", "utc": "2026-07-27T10:45:25Z", "ms": 1785149125341.2046 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-07-26", "window": { "start": { "local": "2026-07-26T19:11:42+05:30", "utc": "2026-07-26T13:41:42Z", "ms": 1785073301913.687 }, "end": { "local": "2026-07-26T20:37:32+05:30", "utc": "2026-07-26T15:07:32Z", "ms": 1785078451632.814 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2026-07-27", "window": { "start": { "local": "2026-07-27T19:11:15+05:30", "utc": "2026-07-27T13:41:15Z", "ms": 1785159674671.4536 }, "end": { "local": "2026-07-27T20:37:11+05:30", "utc": "2026-07-27T15:07:11Z", "ms": 1785164831494.4229 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:58 on Sun 26 Jul to 16:15 on Mon 27 Jul.", "fact": "2026-07-26T08:28:21Z → 2026-07-27T10:45:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:12–20:38 on the 26th, 19:11–20:37 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 86 of 86 minutes on the 26th and 0 of 86 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 10549 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2026: Sunday 26 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": "2026-07-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-07-26", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2026 falls on Sunday 26 July. Trayodaśī runs from 13:58 on Sun 26 Jul to 16:15 on Mon 27 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-07-26", "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/2026/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-07-28", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1845, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2026-07-28T18:19:28+05:30", "utc": "2026-07-28T12:49:28Z", "ms": 1785242967858.0647 }, "end": { "local": "2026-07-29T20:05:43+05:30", "utc": "2026-07-29T14:35:43Z", "ms": 1785335743446.8684 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2026-07-28T18:19:28+05:30", "utc": "2026-07-28T12:49:28Z", "ms": 1785242967858.0647 }, "end": { "local": "2026-07-29T20:05:43+05:30", "utc": "2026-07-29T14:35:43Z", "ms": 1785335743446.8684 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-07-28", "window": { "start": { "local": "2026-07-28T19:10:46+05:30", "utc": "2026-07-28T13:40:46Z", "ms": 1785246046289.6453 }, "end": { "local": "2026-07-28T20:36:50+05:30", "utc": "2026-07-28T15:06:50Z", "ms": 1785251210357.3135 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "2026-07-29", "window": { "start": { "local": "2026-07-29T19:10:17+05:30", "utc": "2026-07-29T13:40:17Z", "ms": 1785332416781.8384 }, "end": { "local": "2026-07-29T20:36:28+05:30", "utc": "2026-07-29T15:06:28Z", "ms": 1785337588231.636 } }, "covered_min": 55, "window_min": 86, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:19 on Tue 28 Jul to 20:06 on Wed 29 Jul.", "fact": "2026-07-28T12:49:28Z → 2026-07-29T14:35:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:11–20:37 on the 28th, 19:10–20:36 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 86 of 86 minutes on the 28th and 55 of 86 on the 29th.", "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 1845 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Ujjain, 2026: Tuesday 28 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": "2026-07-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-07-28", "confidence": "boundary" } ], "quote": "In Ujjain, Śiva Śayanotsava 2026 falls on Tuesday 28 July. Pūrṇimā runs from 18:19 on Tue 28 Jul to 20:06 on Wed 29 Jul and covers all of pradoṣa that evening. It also reaches the next evening for 55 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/2026/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/2026/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35078, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2026-07-28T18:19:28+05:30", "utc": "2026-07-28T12:49:28Z", "ms": 1785242967858.0647 }, "end": { "local": "2026-07-29T20:05:43+05:30", "utc": "2026-07-29T14:35:43Z", "ms": 1785335743446.8684 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2026-07-28T18:19:28+05:30", "utc": "2026-07-28T12:49:28Z", "ms": 1785242967858.0647 }, "end": { "local": "2026-07-29T20:05:43+05:30", "utc": "2026-07-29T14:35:43Z", "ms": 1785335743446.8684 } }, "kaala": "udaya-3", "days": [ { "local_date": "2026-07-28", "window": { "start": { "local": "2026-07-28T05:55:51+05:30", "utc": "2026-07-28T00:25:51Z", "ms": 1785198350843.7227 }, "end": { "local": "2026-07-28T08:34:50+05:30", "utc": "2026-07-28T03:04:50Z", "ms": 1785207889932.9072 } }, "covered_min": 0, "window_min": 159, "qualifies": false }, { "local_date": "2026-07-29", "window": { "start": { "local": "2026-07-29T05:56:17+05:30", "utc": "2026-07-29T00:26:17Z", "ms": 1785284776797.1577 }, "end": { "local": "2026-07-29T08:35:05+05:30", "utc": "2026-07-29T03:05:05Z", "ms": 1785294304794.0938 } }, "covered_min": 159, "window_min": 159, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:19 on Tue 28 Jul to 20:06 on Wed 29 Jul.", "fact": "2026-07-28T12:49:28Z → 2026-07-29T14:35:43Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:56–08:35 on the 28th, 05:56–08:35 on the 29th.", "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 0 of 159 minutes on the 28th and 159 of 159 on the 29th.", "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 35078 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Ujjain, 2026: Wednesday 29 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vyasa-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "udaya-3", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-07-29", "confidence": "determinate" } ], "quote": "In Ujjain, Vyāsa Pūjā 2026 falls on Wednesday 29 July. Pūrṇimā runs from 18:19 on Tue 28 Jul to 20:06 on Wed 29 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19329, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2026-07-28T18:19:28+05:30", "utc": "2026-07-28T12:49:28Z", "ms": 1785242967858.0647 }, "end": { "local": "2026-07-29T20:05:43+05:30", "utc": "2026-07-29T14:35:43Z", "ms": 1785335743446.8684 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2026-07-28T18:19:28+05:30", "utc": "2026-07-28T12:49:28Z", "ms": 1785242967858.0647 }, "end": { "local": "2026-07-29T20:05:43+05:30", "utc": "2026-07-29T14:35:43Z", "ms": 1785335743446.8684 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-07-28", "window": { "start": { "local": "2026-07-28T12:09:19+05:30", "utc": "2026-07-28T06:39:19Z", "ms": 1785220758566.684 }, "end": { "local": "2026-07-28T12:57:19+05:30", "utc": "2026-07-28T07:27:19Z", "ms": 1785223638566.684 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-07-29", "window": { "start": { "local": "2026-07-29T12:09:17+05:30", "utc": "2026-07-29T06:39:17Z", "ms": 1785307156789.498 }, "end": { "local": "2026-07-29T12:57:17+05:30", "utc": "2026-07-29T07:27:17Z", "ms": 1785310036789.498 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:19 on Tue 28 Jul to 20:06 on Wed 29 Jul.", "fact": "2026-07-28T12:49:28Z → 2026-07-29T14:35:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 28th, 12:09–12:57 on the 29th.", "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 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19329 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Ujjain, 2026: Wednesday 29 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "guru-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-07-29", "confidence": "determinate" } ], "quote": "In Ujjain, Guru Pūrṇimā 2026 falls on Wednesday 29 July. Pūrṇimā runs from 18:19 on Tue 28 Jul to 20:06 on Wed 29 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-07-29", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 3078, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2026-07-28T18:19:28+05:30", "utc": "2026-07-28T12:49:28Z", "ms": 1785242967858.0647 }, "end": { "local": "2026-07-29T20:05:43+05:30", "utc": "2026-07-29T14:35:43Z", "ms": 1785335743446.8684 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2026-07-28T18:19:28+05:30", "utc": "2026-07-28T12:49:28Z", "ms": 1785242967858.0647 }, "end": { "local": "2026-07-29T20:05:43+05:30", "utc": "2026-07-29T14:35:43Z", "ms": 1785335743446.8684 } }, "kaala": "sayahna", "days": [ { "local_date": "2026-07-28", "window": { "start": { "local": "2026-07-28T16:31:47+05:30", "utc": "2026-07-28T11:01:47Z", "ms": 1785236507200.4607 }, "end": { "local": "2026-07-28T19:10:46+05:30", "utc": "2026-07-28T13:40:46Z", "ms": 1785246046289.6453 } }, "covered_min": 51, "window_min": 159, "qualifies": true }, { "local_date": "2026-07-29", "window": { "start": { "local": "2026-07-29T16:31:29+05:30", "utc": "2026-07-29T11:01:29Z", "ms": 1785322888784.9023 }, "end": { "local": "2026-07-29T19:10:17+05:30", "utc": "2026-07-29T13:40:17Z", "ms": 1785332416781.8384 } }, "covered_min": 159, "window_min": 159, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:19 on Tue 28 Jul to 20:06 on Wed 29 Jul.", "fact": "2026-07-28T12:49:28Z → 2026-07-29T14:35:43Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:32–19:11 on the 28th, 16:31–19:10 on the 29th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 51 of 159 minutes on the 28th and 159 of 159 on the 29th.", "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 3078 s" }, { "step": "ruling", "text": "Kokilā Vrata, Ujjain, 2026: Wednesday 29 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": "2026-07-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-07-29", "confidence": "boundary" } ], "quote": "In Ujjain, Kokilā Vrata 2026 falls on Wednesday 29 July. Pūrṇimā runs from 18:19 on Tue 28 Jul to 20:06 on Wed 29 Jul and covers all of sāyāhna that late afternoon. It also reaches the previous late afternoon for 51 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/2026/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/2026/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6048, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2026-07-30T21:30:49+05:30", "utc": "2026-07-30T16:00:49Z", "ms": 1785427248790.5605 }, "end": { "local": "2026-07-31T22:32:12+05:30", "utc": "2026-07-31T17:02:12Z", "ms": 1785517331857.5767 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2026-07-30T21:30:49+05:30", "utc": "2026-07-30T16:00:49Z", "ms": 1785427248790.5605 }, "end": { "local": "2026-07-31T22:32:12+05:30", "utc": "2026-07-31T17:02:12Z", "ms": 1785517331857.5767 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-07-30", "window": { "start": { "local": "2026-07-30T19:50:01+05:30", "utc": "2026-07-30T14:20:01Z", "ms": 1785421200875.6475 }, "end": { "local": "2026-07-30T19:50:01+05:30", "utc": "2026-07-30T14:20:01Z", "ms": 1785421200875.6475 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-07-31", "window": { "start": { "local": "2026-07-31T20:24:01+05:30", "utc": "2026-07-31T14:54:01Z", "ms": 1785509641331.5645 }, "end": { "local": "2026-07-31T20:24:01+05:30", "utc": "2026-07-31T14:54:01Z", "ms": 1785509641331.5645 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 21:31 on Thu 30 Jul to 22:32 on Fri 31 Jul.", "fact": "2026-07-30T16:00:49Z → 2026-07-31T17:02:12Z" }, { "step": "kaala", "text": "Moonrise is at 19:50 on the 30th and 20:24 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 30th and is on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6048 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Ujjain, 2026: Friday 31 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata-ashadha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunya sayana vrata (candrodaya vyapini; purvahna vyapini and purvaviddha in Bengal)." } ], "not_evaluated": "In Bengal the row reads pūrvāhṇa and pūrvaviddha; that reading is not applied.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-07-31", "confidence": "determinate" } ], "quote": "In Ujjain, Aśūnya Śayana Vrata (Āṣāḍha) 2026 falls on Friday 31 July. Dvitīyā runs from 21:31 on Thu 30 Jul to 22:32 on Fri 31 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/sankashta-chaturthi?on=2026-08-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-08-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6441, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-08-01T23:07:48+05:30", "utc": "2026-08-01T17:37:48Z", "ms": 1785605868006.3005 }, "end": { "local": "2026-08-02T23:15:49+05:30", "utc": "2026-08-02T17:45:49Z", "ms": 1785692749065.232 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2026-08-01T23:07:48+05:30", "utc": "2026-08-01T17:37:48Z", "ms": 1785605868006.3005 }, "end": { "local": "2026-08-02T23:15:49+05:30", "utc": "2026-08-02T17:45:49Z", "ms": 1785692749065.232 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-08-01", "window": { "start": { "local": "2026-08-01T20:56:26+05:30", "utc": "2026-08-01T15:26:26Z", "ms": 1785597985898.0046 }, "end": { "local": "2026-08-01T20:56:26+05:30", "utc": "2026-08-01T15:26:26Z", "ms": 1785597985898.0046 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-08-02", "window": { "start": { "local": "2026-08-02T21:28:28+05:30", "utc": "2026-08-02T15:58:28Z", "ms": 1785686307791.4417 }, "end": { "local": "2026-08-02T21:28:28+05:30", "utc": "2026-08-02T15:58:28Z", "ms": 1785686307791.4417 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:08 on Sat 1 Aug to 23:16 on Sun 2 Aug.", "fact": "2026-08-01T17:37:48Z → 2026-08-02T17:45:49Z" }, { "step": "kaala", "text": "Moonrise is at 20:56 on the 1st and 21:28 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6441 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2026: Sunday 2 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": "2026-08-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-08-02", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2026 falls on Sunday 2 August. Caturthī runs from 23:08 on Sat 1 Aug to 23:16 on Sun 2 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/sankashta-chaturthi?on=2026-08-02", "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/2026/ekadashi?on=2026-08-09", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18279, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-08-08T13:59:47+05:30", "utc": "2026-08-08T08:29:47Z", "ms": 1786177786876.1814 }, "end": { "local": "2026-08-09T11:05:32+05:30", "utc": "2026-08-09T05:35:32Z", "ms": 1786253732488.4812 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2026-08-08T13:59:47+05:30", "utc": "2026-08-08T08:29:47Z", "ms": 1786177786876.1814 }, "end": { "local": "2026-08-09T11:05:32+05:30", "utc": "2026-08-09T05:35:32Z", "ms": 1786253732488.4812 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-08-08", "window": { "start": { "local": "2026-08-08T06:00:30+05:30", "utc": "2026-08-08T00:30:30Z", "ms": 1786149029553.5227 }, "end": { "local": "2026-08-08T06:00:30+05:30", "utc": "2026-08-08T00:30:30Z", "ms": 1786149029553.5227 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-08-09", "window": { "start": { "local": "2026-08-09T06:00:54+05:30", "utc": "2026-08-09T00:30:54Z", "ms": 1786235453968.3528 }, "end": { "local": "2026-08-09T06:00:54+05:30", "utc": "2026-08-09T00:30:54Z", "ms": 1786235453968.3528 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:00 on Sat 8 Aug to 11:06 on Sun 9 Aug.", "fact": "2026-08-08T08:29:47Z → 2026-08-09T05:35:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:00 on the 8th and 06:01 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 8th and is on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18279 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Ujjain, 2026: Sunday 9 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": "2026-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-08-09", "confidence": "determinate" } ], "quote": "In Ujjain, Kāmikā Ekādaśī 2026 falls on Sunday 9 August. Ekādaśī runs from 14:00 on Sat 8 Aug to 11:06 on Sun 9 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-08-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/pradosha-vrata?on=2026-08-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30234, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-08-10T08:01:22+05:30", "utc": "2026-08-10T02:31:22Z", "ms": 1786329081815.3032 }, "end": { "local": "2026-08-11T04:54:44+05:30", "utc": "2026-08-10T23:24:44Z", "ms": 1786404284116.8816 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2026-08-10T08:01:22+05:30", "utc": "2026-08-10T02:31:22Z", "ms": 1786329081815.3032 }, "end": { "local": "2026-08-11T04:54:44+05:30", "utc": "2026-08-10T23:24:44Z", "ms": 1786404284116.8816 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-08-09", "window": { "start": { "local": "2026-08-09T19:03:42+05:30", "utc": "2026-08-09T13:33:42Z", "ms": 1786282422359.322 }, "end": { "local": "2026-08-09T20:31:23+05:30", "utc": "2026-08-09T15:01:23Z", "ms": 1786287683137.005 } }, "covered_min": 0, "window_min": 88, "qualifies": false }, { "local_date": "2026-08-10", "window": { "start": { "local": "2026-08-10T19:03:01+05:30", "utc": "2026-08-10T13:33:01Z", "ms": 1786368780586.5288 }, "end": { "local": "2026-08-10T20:30:50+05:30", "utc": "2026-08-10T15:00:50Z", "ms": 1786374050136.8506 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:01 on Mon 10 Aug to 04:55 on Tue 11 Aug.", "fact": "2026-08-10T02:31:22Z → 2026-08-10T23:24:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:04–20:31 on the 9th, 19:03–20:31 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 88 minutes on the 9th and 88 of 88 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30234 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2026: Monday 10 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-08-10", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2026 falls on Monday 10 August. Trayodaśī runs from 08:01 on Mon 10 Aug to 04:55 on Tue 11 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-08-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/shivaratri?on=2026-08-11", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3453, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2026-08-11T04:54:44+05:30", "utc": "2026-08-10T23:24:44Z", "ms": 1786404284116.8816 }, "end": { "local": "2026-08-12T01:53:45+05:30", "utc": "2026-08-11T20:23:45Z", "ms": 1786479824528.9421 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2026-08-11T04:54:44+05:30", "utc": "2026-08-10T23:24:44Z", "ms": 1786404284116.8816 }, "end": { "local": "2026-08-12T01:53:45+05:30", "utc": "2026-08-11T20:23:45Z", "ms": 1786479824528.9421 } }, "kaala": "nishita", "days": [ { "local_date": "2026-08-10", "window": { "start": { "local": "2026-08-11T00:08:21+05:30", "utc": "2026-08-10T18:38:21Z", "ms": 1786387101400.2356 }, "end": { "local": "2026-08-11T00:56:21+05:30", "utc": "2026-08-10T19:26:21Z", "ms": 1786389981400.2356 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-08-11", "window": { "start": { "local": "2026-08-12T00:08:12+05:30", "utc": "2026-08-11T18:38:12Z", "ms": 1786473491960.9678 }, "end": { "local": "2026-08-12T00:56:12+05:30", "utc": "2026-08-11T19:26:12Z", "ms": 1786476371960.9678 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:55 on Tue 11 Aug to 01:54 on Wed 12 Aug.", "fact": "2026-08-10T23:24:44Z → 2026-08-11T20:23:45Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:08–00:56 on the 10th, 00:08–00:56 on the 11th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3453 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2026: Tuesday 11 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-08-11", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2026 falls on Tuesday 11 August. Caturdaśī runs from 04:55 on Tue 11 Aug to 01:54 on Wed 12 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2026/shivaratri?on=2026-08-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16447, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2026-08-14T18:47:22+05:30", "utc": "2026-08-14T13:17:22Z", "ms": 1786713442166.6567 }, "end": { "local": "2026-08-15T17:29:24+05:30", "utc": "2026-08-15T11:59:24Z", "ms": 1786795164233.161 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2026-08-14T18:47:22+05:30", "utc": "2026-08-14T13:17:22Z", "ms": 1786713442166.6567 }, "end": { "local": "2026-08-15T17:29:24+05:30", "utc": "2026-08-15T11:59:24Z", "ms": 1786795164233.161 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-08-14", "window": { "start": { "local": "2026-08-14T12:07:29+05:30", "utc": "2026-08-14T06:37:29Z", "ms": 1786689448729.1045 }, "end": { "local": "2026-08-14T12:55:29+05:30", "utc": "2026-08-14T07:25:29Z", "ms": 1786692328729.1045 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-08-15", "window": { "start": { "local": "2026-08-15T12:07:17+05:30", "utc": "2026-08-15T06:37:17Z", "ms": 1786775837189.9014 }, "end": { "local": "2026-08-15T12:55:17+05:30", "utc": "2026-08-15T07:25:17Z", "ms": 1786778717189.9014 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 18:47 on Fri 14 Aug to 17:29 on Sat 15 Aug.", "fact": "2026-08-14T13:17:22Z → 2026-08-15T11:59:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 14th, 12:07–12:55 on the 15th.", "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 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16447 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Ujjain, 2026: Saturday 15 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-08-15", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-08-15" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Madhusravā Tṛtīyā (Teej) 2026 falls on Saturday 15 August. Tṛtīyā runs from 18:47 on Fri 14 Aug to 17:29 on Sat 15 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/vinayaka-chaturthi?on=2026-08-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14277, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-08-15T17:29:24+05:30", "utc": "2026-08-15T11:59:24Z", "ms": 1786795164233.161 }, "end": { "local": "2026-08-16T16:53:02+05:30", "utc": "2026-08-16T11:23:02Z", "ms": 1786879381993.4905 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2026-08-15T17:29:24+05:30", "utc": "2026-08-15T11:59:24Z", "ms": 1786795164233.161 }, "end": { "local": "2026-08-16T16:53:02+05:30", "utc": "2026-08-16T11:23:02Z", "ms": 1786879381993.4905 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-08-15", "window": { "start": { "local": "2026-08-15T12:07:17+05:30", "utc": "2026-08-15T06:37:17Z", "ms": 1786775837189.9014 }, "end": { "local": "2026-08-15T12:55:17+05:30", "utc": "2026-08-15T07:25:17Z", "ms": 1786778717189.9014 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-08-16", "window": { "start": { "local": "2026-08-16T12:07:05+05:30", "utc": "2026-08-16T06:37:05Z", "ms": 1786862225111.4255 }, "end": { "local": "2026-08-16T12:55:05+05:30", "utc": "2026-08-16T07:25:05Z", "ms": 1786865105111.4255 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:29 on Sat 15 Aug to 16:53 on Sun 16 Aug.", "fact": "2026-08-15T11:59:24Z → 2026-08-16T11:23:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 15th, 12:07–12:55 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14277 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2026: Sunday 16 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-08-16", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2026 falls on Sunday 16 August. Caturthī runs from 17:29 on Sat 15 Aug to 16:53 on Sun 16 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/vinayaka-chaturthi?on=2026-08-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14277, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2026-08-16T16:53:02+05:30", "utc": "2026-08-16T11:23:02Z", "ms": 1786879381993.4905 }, "end": { "local": "2026-08-17T17:00:36+05:30", "utc": "2026-08-17T11:30:36Z", "ms": 1786966235620.5068 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2026-08-16T16:53:02+05:30", "utc": "2026-08-16T11:23:02Z", "ms": 1786879381993.4905 }, "end": { "local": "2026-08-17T17:00:36+05:30", "utc": "2026-08-17T11:30:36Z", "ms": 1786966235620.5068 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-08-16", "window": { "start": { "local": "2026-08-16T12:07:05+05:30", "utc": "2026-08-16T06:37:05Z", "ms": 1786862225111.4255 }, "end": { "local": "2026-08-16T12:55:05+05:30", "utc": "2026-08-16T07:25:05Z", "ms": 1786865105111.4255 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-08-17", "window": { "start": { "local": "2026-08-17T12:06:53+05:30", "utc": "2026-08-17T06:36:53Z", "ms": 1786948612501.3555 }, "end": { "local": "2026-08-17T12:54:53+05:30", "utc": "2026-08-17T07:24:53Z", "ms": 1786951492501.3555 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 16:53 on Sun 16 Aug to 17:01 on Mon 17 Aug.", "fact": "2026-08-16T11:23:02Z → 2026-08-17T11:30:36Z" }, { "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": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14277 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Ujjain, 2026: Monday 17 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-08-17", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-08-17" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Nāga Pañcamī 2026 falls on Monday 17 August. Pañcamī runs from 16:53 on Sun 16 Aug to 17:01 on Mon 17 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ekadashi?on=2026-08-23", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6440, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-08-23T02:00:52+05:30", "utc": "2026-08-22T20:30:52Z", "ms": 1787430651927.627 }, "end": { "local": "2026-08-24T04:19:13+05:30", "utc": "2026-08-23T22:49:13Z", "ms": 1787525353331.1304 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2026-08-23T02:00:52+05:30", "utc": "2026-08-22T20:30:52Z", "ms": 1787430651927.627 }, "end": { "local": "2026-08-24T04:19:13+05:30", "utc": "2026-08-23T22:49:13Z", "ms": 1787525353331.1304 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-08-23", "window": { "start": { "local": "2026-08-23T06:06:12+05:30", "utc": "2026-08-23T00:36:12Z", "ms": 1787445372144.6313 }, "end": { "local": "2026-08-23T06:06:12+05:30", "utc": "2026-08-23T00:36:12Z", "ms": 1787445372144.6313 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-08-24", "window": { "start": { "local": "2026-08-24T06:06:33+05:30", "utc": "2026-08-24T00:36:33Z", "ms": 1787531793057.1824 }, "end": { "local": "2026-08-24T06:06:33+05:30", "utc": "2026-08-24T00:36:33Z", "ms": 1787531793057.1824 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:01 on Sun 23 Aug to 04:19 on Mon 24 Aug.", "fact": "2026-08-22T20:30:52Z → 2026-08-23T22:49:13Z" }, { "step": "kaala", "text": "Sunrise is at 06:06 on the 23rd and 06:07 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 6440 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Ujjain, 2026: Sunday 23 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": "2026-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-08-23", "confidence": "determinate" } ], "quote": "In Ujjain, Putradā Ekādaśī 2026 falls on Sunday 23 August. Ekādaśī runs from 02:01 on Sun 23 Aug to 04:19 on Mon 24 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-08-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20612, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2026-08-24T04:19:13+05:30", "utc": "2026-08-23T22:49:13Z", "ms": 1787525353331.1304 }, "end": { "local": "2026-08-25T06:21:22+05:30", "utc": "2026-08-25T00:51:22Z", "ms": 1787619081755.6804 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2026-08-24T04:19:13+05:30", "utc": "2026-08-23T22:49:13Z", "ms": 1787525353331.1304 }, "end": { "local": "2026-08-25T06:21:22+05:30", "utc": "2026-08-25T00:51:22Z", "ms": 1787619081755.6804 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-08-24", "window": { "start": { "local": "2026-08-24T12:05:10+05:30", "utc": "2026-08-24T06:35:10Z", "ms": 1787553310246.1257 }, "end": { "local": "2026-08-24T12:53:10+05:30", "utc": "2026-08-24T07:23:10Z", "ms": 1787556190246.1257 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-08-25", "window": { "start": { "local": "2026-08-25T12:04:54+05:30", "utc": "2026-08-25T06:34:54Z", "ms": 1787639693798.396 }, "end": { "local": "2026-08-25T12:52:54+05:30", "utc": "2026-08-25T07:22:54Z", "ms": 1787642573798.396 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:19 on Mon 24 Aug to 06:21 on Tue 25 Aug.", "fact": "2026-08-23T22:49:13Z → 2026-08-25T00:51:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 24th, 12:05–12:53 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20612 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Ujjain, 2026: Monday 24 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": "2026-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-08-24", "confidence": "determinate" } ], "quote": "In Ujjain, Dāmodara Dvādaśī 2026 falls on Monday 24 August. Dvādaśī runs from 04:19 on Mon 24 Aug to 06:21 on Tue 25 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/pradosha-vrata?on=2026-08-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35973, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-08-25T06:21:22+05:30", "utc": "2026-08-25T00:51:22Z", "ms": 1787619081755.6804 }, "end": { "local": "2026-08-26T07:59:37+05:30", "utc": "2026-08-26T02:29:37Z", "ms": 1787711377394.685 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2026-08-25T06:21:22+05:30", "utc": "2026-08-25T00:51:22Z", "ms": 1787619081755.6804 }, "end": { "local": "2026-08-26T07:59:37+05:30", "utc": "2026-08-26T02:29:37Z", "ms": 1787711377394.685 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-08-24", "window": { "start": { "local": "2026-08-24T18:51:47+05:30", "utc": "2026-08-24T13:21:47Z", "ms": 1787577707435.069 }, "end": { "local": "2026-08-24T20:21:48+05:30", "utc": "2026-08-24T14:51:48Z", "ms": 1787583108276.0361 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "2026-08-25", "window": { "start": { "local": "2026-08-25T18:50:54+05:30", "utc": "2026-08-25T13:20:54Z", "ms": 1787664053854.47 }, "end": { "local": "2026-08-25T20:21:05+05:30", "utc": "2026-08-25T14:51:05Z", "ms": 1787669464568.2773 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:21 on Tue 25 Aug to 08:00 on Wed 26 Aug.", "fact": "2026-08-25T00:51:22Z → 2026-08-26T02:29:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:22 on the 24th, 18:51–20:21 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 90 minutes on the 24th and 90 of 90 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 35973 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2026: Tuesday 25 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-08-25", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2026 falls on Tuesday 25 August. Trayodaśī runs from 06:21 on Tue 25 Aug to 08:00 on Wed 26 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-08-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-08-27", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 13238, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2026-08-27T09:09:20+05:30", "utc": "2026-08-27T03:39:20Z", "ms": 1787801959978.3308 }, "end": { "local": "2026-08-28T09:48:32+05:30", "utc": "2026-08-28T04:18:32Z", "ms": 1787890712050.471 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2026-08-27T21:32:47+05:30", "utc": "2026-08-27T16:02:47Z", "ms": 1787846566699.672 }, "end": { "local": "2026-08-28T09:48:32+05:30", "utc": "2026-08-28T04:18:32Z", "ms": 1787890712050.471 } }, "kaala": "day", "days": [ { "local_date": "2026-08-27", "window": { "start": { "local": "2026-08-27T06:07:34+05:30", "utc": "2026-08-27T00:37:34Z", "ms": 1787791054463.441 }, "end": { "local": "2026-08-28T06:07:55+05:30", "utc": "2026-08-28T00:37:55Z", "ms": 1787877474518.8662 } }, "covered_min": 515, "window_min": 1440, "qualifies": true }, { "local_date": "2026-08-28", "window": { "start": { "local": "2026-08-28T06:07:55+05:30", "utc": "2026-08-28T00:37:55Z", "ms": 1787877474518.8662 }, "end": { "local": "2026-08-29T06:08:14+05:30", "utc": "2026-08-29T00:38:14Z", "ms": 1787963894385.667 } }, "covered_min": 221, "window_min": 1440, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:09 on Thu 27 Aug to 09:49 on Fri 28 Aug. Its second half begins at 21:33 on Thu 27 Aug.", "fact": "2026-08-27T03:39:20Z → 2026-08-28T04:18:32Z · second half from 2026-08-27T16:02:47Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:08 on the 27th, and from 06:08 on the 28th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The second half of Pūrṇimā must be present during the day. It covers 515 of 1440 minutes on the 27th and 221 of 1440 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 13238 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Ujjain, 2026: Thursday 27 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": "2026-08-27", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-08-27", "confidence": "boundary" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-08-28" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Rakṣā Bandhana (Rakhi) 2026 falls on Thursday 27 August. The second half of Pūrṇimā runs from 21:33 on Thu 27 Aug to 09:49 on Fri 28 Aug and falls on two days: 515 minutes of it on the 27th, 221 on the 28th; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested. Rashtriya Panchang recorded 28 August (Principal festivals, 2026-27).", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8130, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2026-08-27T09:09:20+05:30", "utc": "2026-08-27T03:39:20Z", "ms": 1787801959978.3308 }, "end": { "local": "2026-08-28T09:48:32+05:30", "utc": "2026-08-28T04:18:32Z", "ms": 1787890712050.471 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2026-08-27T09:09:20+05:30", "utc": "2026-08-27T03:39:20Z", "ms": 1787801959978.3308 }, "end": { "local": "2026-08-28T09:48:32+05:30", "utc": "2026-08-28T04:18:32Z", "ms": 1787890712050.471 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-08-27", "window": { "start": { "local": "2026-08-27T12:04:20+05:30", "utc": "2026-08-27T06:34:20Z", "ms": 1787812459677.901 }, "end": { "local": "2026-08-27T12:52:20+05:30", "utc": "2026-08-27T07:22:20Z", "ms": 1787815339677.901 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-08-28", "window": { "start": { "local": "2026-08-28T12:04:02+05:30", "utc": "2026-08-28T06:34:02Z", "ms": 1787898842040.457 }, "end": { "local": "2026-08-28T12:52:02+05:30", "utc": "2026-08-28T07:22:02Z", "ms": 1787901722040.457 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 09:09 on Thu 27 Aug to 09:49 on Fri 28 Aug.", "fact": "2026-08-27T03:39:20Z → 2026-08-28T04:18:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 27th, 12:04–12:52 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8130 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Ujjain, 2026: Thursday 27 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-08-27", "confidence": "determinate" } ], "quote": "In Ujjain, Ṛṣi Tarpaṇa 2026 falls on Thursday 27 August. Pūrṇimā runs from 09:09 on Thu 27 Aug to 09:49 on Fri 28 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34372, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2026-08-29T09:57:24+05:30", "utc": "2026-08-29T04:27:24Z", "ms": 1787977644210.7861 }, "end": { "local": "2026-08-30T09:37:35+05:30", "utc": "2026-08-30T04:07:35Z", "ms": 1788062855446.0781 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-08-29T09:57:24+05:30", "utc": "2026-08-29T04:27:24Z", "ms": 1787977644210.7861 }, "end": { "local": "2026-08-30T09:37:35+05:30", "utc": "2026-08-30T04:07:35Z", "ms": 1788062855446.0781 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-08-29", "window": { "start": { "local": "2026-08-29T19:30:16+05:30", "utc": "2026-08-29T14:00:16Z", "ms": 1788012016451.05 }, "end": { "local": "2026-08-29T19:30:16+05:30", "utc": "2026-08-29T14:00:16Z", "ms": 1788012016451.05 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-08-30", "window": { "start": { "local": "2026-08-30T20:03:21+05:30", "utc": "2026-08-30T14:33:21Z", "ms": 1788100400645.8713 }, "end": { "local": "2026-08-30T20:03:21+05:30", "utc": "2026-08-30T14:33:21Z", "ms": 1788100400645.8713 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 09:57 on Sat 29 Aug to 09:38 on Sun 30 Aug.", "fact": "2026-08-29T04:27:24Z → 2026-08-30T04:07:35Z" }, { "step": "kaala", "text": "Moonrise is at 19:30 on the 29th and 20:03 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34372 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Ujjain, 2026: Saturday 29 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-08-29", "confidence": "determinate" } ], "quote": "In Ujjain, Aśūnya Śayana Vrata 2026 falls on Saturday 29 August. Dvitīyā runs from 09:57 on Sat 29 Aug to 09:38 on Sun 30 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8750, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2026-08-30T09:37:35+05:30", "utc": "2026-08-30T04:07:35Z", "ms": 1788062855446.0781 }, "end": { "local": "2026-08-31T08:51:37+05:30", "utc": "2026-08-31T03:21:37Z", "ms": 1788146497302.5178 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-08-30T09:37:35+05:30", "utc": "2026-08-30T04:07:35Z", "ms": 1788062855446.0781 }, "end": { "local": "2026-08-31T08:51:37+05:30", "utc": "2026-08-31T03:21:37Z", "ms": 1788146497302.5178 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-08-30", "window": { "start": { "local": "2026-08-30T12:03:26+05:30", "utc": "2026-08-30T06:33:26Z", "ms": 1788071605704.709 }, "end": { "local": "2026-08-30T12:51:26+05:30", "utc": "2026-08-30T07:21:26Z", "ms": 1788074485704.709 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-08-31", "window": { "start": { "local": "2026-08-31T12:03:07+05:30", "utc": "2026-08-31T06:33:07Z", "ms": 1788157987045.4421 }, "end": { "local": "2026-08-31T12:51:07+05:30", "utc": "2026-08-31T07:21:07Z", "ms": 1788160867045.4421 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:38 on Sun 30 Aug to 08:52 on Mon 31 Aug.", "fact": "2026-08-30T04:07:35Z → 2026-08-31T03:21:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 30th, 12:03–12:51 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8750 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Ujjain, 2026: Sunday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-08-30", "confidence": "determinate" } ], "quote": "In Ujjain, Kajjalī Tṛtīyā (Kajari Teej) 2026 falls on Sunday 30 August. Tṛtīyā runs from 09:38 on Sun 30 Aug to 08:52 on Mon 31 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26546, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-08-31T08:51:37+05:30", "utc": "2026-08-31T03:21:37Z", "ms": 1788146497302.5178 }, "end": { "local": "2026-09-01T07:42:26+05:30", "utc": "2026-09-01T02:12:26Z", "ms": 1788228746260.1914 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-08-31T08:51:37+05:30", "utc": "2026-08-31T03:21:37Z", "ms": 1788146497302.5178 }, "end": { "local": "2026-09-01T07:42:26+05:30", "utc": "2026-09-01T02:12:26Z", "ms": 1788228746260.1914 } }, "kaala": "sayahna", "days": [ { "local_date": "2026-08-31", "window": { "start": { "local": "2026-08-31T16:14:03+05:30", "utc": "2026-08-31T10:44:03Z", "ms": 1788173043110.785 }, "end": { "local": "2026-08-31T18:45:20+05:30", "utc": "2026-08-31T13:15:20Z", "ms": 1788182120487.6802 } }, "covered_min": 151, "window_min": 151, "qualifies": true }, { "local_date": "2026-09-01", "window": { "start": { "local": "2026-09-01T16:13:21+05:30", "utc": "2026-09-01T10:43:21Z", "ms": 1788259401148.2373 }, "end": { "local": "2026-09-01T18:44:23+05:30", "utc": "2026-09-01T13:14:23Z", "ms": 1788268463190.238 } }, "covered_min": 0, "window_min": 151, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:52 on Mon 31 Aug to 07:42 on Tue 1 Sep.", "fact": "2026-08-31T03:21:37Z → 2026-09-01T02:12:26Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:14–18:45 on the 31st, 16:13–18:44 on the 1st.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 151 of 151 minutes on the 31st and 0 of 151 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26546 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Ujjain, 2026: Monday 31 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-08-31", "confidence": "determinate" } ], "quote": "In Ujjain, Bahulā Caturthī 2026 falls on Monday 31 August. Caturthī runs from 08:52 on Mon 31 Aug to 07:42 on Tue 1 Sep and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/sankashta-chaturthi?on=2026-08-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39848, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-08-31T08:51:37+05:30", "utc": "2026-08-31T03:21:37Z", "ms": 1788146497302.5178 }, "end": { "local": "2026-09-01T07:42:26+05:30", "utc": "2026-09-01T02:12:26Z", "ms": 1788228746260.1914 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-08-31T08:51:37+05:30", "utc": "2026-08-31T03:21:37Z", "ms": 1788146497302.5178 }, "end": { "local": "2026-09-01T07:42:26+05:30", "utc": "2026-09-01T02:12:26Z", "ms": 1788228746260.1914 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-08-30", "window": { "start": { "local": "2026-08-30T20:03:21+05:30", "utc": "2026-08-30T14:33:21Z", "ms": 1788100400645.8713 }, "end": { "local": "2026-08-30T20:03:21+05:30", "utc": "2026-08-30T14:33:21Z", "ms": 1788100400645.8713 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-08-31", "window": { "start": { "local": "2026-08-31T20:38:18+05:30", "utc": "2026-08-31T15:08:18Z", "ms": 1788188898148.274 }, "end": { "local": "2026-08-31T20:38:18+05:30", "utc": "2026-08-31T15:08:18Z", "ms": 1788188898148.274 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:52 on Mon 31 Aug to 07:42 on Tue 1 Sep.", "fact": "2026-08-31T03:21:37Z → 2026-09-01T02:12:26Z" }, { "step": "kaala", "text": "Moonrise is at 20:03 on the 30th and 20:38 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 30th and is on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 39848 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2026: Monday 31 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-08-31", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2026 falls on Monday 31 August. Caturthī runs from 08:52 on Mon 31 Aug to 07:42 on Tue 1 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/sankashta-chaturthi?on=2026-08-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20963, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2026-09-02T06:13:06+05:30", "utc": "2026-09-02T00:43:06Z", "ms": 1788309785629.4282 }, "end": { "local": "2026-09-03T04:26:37+05:30", "utc": "2026-09-02T22:56:37Z", "ms": 1788389796564.974 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-09-02T06:13:06+05:30", "utc": "2026-09-02T00:43:06Z", "ms": 1788309785629.4282 }, "end": { "local": "2026-09-03T04:26:37+05:30", "utc": "2026-09-02T22:56:37Z", "ms": 1788389796564.974 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-09-02", "window": { "start": { "local": "2026-09-02T12:02:29+05:30", "utc": "2026-09-02T06:32:29Z", "ms": 1788330748844.2021 }, "end": { "local": "2026-09-02T12:50:29+05:30", "utc": "2026-09-02T07:20:29Z", "ms": 1788333628844.2021 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-09-03", "window": { "start": { "local": "2026-09-03T12:02:09+05:30", "utc": "2026-09-03T06:32:09Z", "ms": 1788417129341.5918 }, "end": { "local": "2026-09-03T12:50:09+05:30", "utc": "2026-09-03T07:20:09Z", "ms": 1788420009341.5918 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 06:13 on Wed 2 Sep to 04:27 on Thu 3 Sep.", "fact": "2026-09-02T00:43:06Z → 2026-09-02T22:56:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 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": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20963 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Ujjain, 2026: Wednesday 2 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-02", "confidence": "determinate" } ], "quote": "In Ujjain, Hala Ṣaṣṭhī 2026 falls on Wednesday 2 September. Ṣaṣṭhī runs from 06:13 on Wed 2 Sep to 04:27 on Thu 3 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27333, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2026-09-03T04:26:37+05:30", "utc": "2026-09-02T22:56:37Z", "ms": 1788389796564.974 }, "end": { "local": "2026-09-04T02:25:57+05:30", "utc": "2026-09-03T20:55:57Z", "ms": 1788468956872.5532 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-09-03T04:26:37+05:30", "utc": "2026-09-02T22:56:37Z", "ms": 1788389796564.974 }, "end": { "local": "2026-09-04T02:25:57+05:30", "utc": "2026-09-03T20:55:57Z", "ms": 1788468956872.5532 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-09-03", "window": { "start": { "local": "2026-09-03T12:02:09+05:30", "utc": "2026-09-03T06:32:09Z", "ms": 1788417129341.5918 }, "end": { "local": "2026-09-03T12:50:09+05:30", "utc": "2026-09-03T07:20:09Z", "ms": 1788420009341.5918 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-09-04", "window": { "start": { "local": "2026-09-04T12:01:50+05:30", "utc": "2026-09-04T06:31:50Z", "ms": 1788503509596.559 }, "end": { "local": "2026-09-04T12:49:50+05:30", "utc": "2026-09-04T07:19:50Z", "ms": 1788506389596.559 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 04:27 on Thu 3 Sep to 02:26 on Fri 4 Sep.", "fact": "2026-09-02T22:56:37Z → 2026-09-03T20:55:57Z" }, { "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": "Saptamī 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27333 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Ujjain, 2026: Thursday 3 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-03", "confidence": "determinate" } ], "quote": "In Ujjain, Śītalā Saptamī 2026 falls on Thursday 3 September. Saptamī runs from 04:27 on Thu 3 Sep to 02:26 on Fri 4 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 727, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2026-09-04T02:25:57+05:30", "utc": "2026-09-03T20:55:57Z", "ms": 1788468956872.5532 }, "end": { "local": "2026-09-05T00:14:06+05:30", "utc": "2026-09-04T18:44:06Z", "ms": 1788547445730.9463 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-09-04T02:25:57+05:30", "utc": "2026-09-03T20:55:57Z", "ms": 1788468956872.5532 }, "end": { "local": "2026-09-05T00:14:06+05:30", "utc": "2026-09-04T18:44:06Z", "ms": 1788547445730.9463 } }, "kaala": "nishita", "days": [ { "local_date": "2026-09-03", "window": { "start": { "local": "2026-09-04T00:02:19+05:30", "utc": "2026-09-03T18:32:19Z", "ms": 1788460338844.4536 }, "end": { "local": "2026-09-04T00:50:19+05:30", "utc": "2026-09-03T19:20:19Z", "ms": 1788463218844.4536 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-09-04", "window": { "start": { "local": "2026-09-05T00:01:59+05:30", "utc": "2026-09-04T18:31:59Z", "ms": 1788546719049.4895 }, "end": { "local": "2026-09-05T00:49:59+05:30", "utc": "2026-09-04T19:19:59Z", "ms": 1788549599049.4895 } }, "covered_min": 12, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 02:26 on Fri 4 Sep to 00:14 on Sat 5 Sep.", "fact": "2026-09-03T20:55:57Z → 2026-09-04T18:44:06Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:02–00:50 on the 3rd, 00:02–00:50 on the 4th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 3rd and 12 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 727 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Ujjain, 2026: Friday 4 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-04", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-09-04" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Janmāṣṭamī (Krishna Janmashtami) 2026 falls on Friday 4 September. Aṣṭamī runs from 02:26 on Fri 4 Sep to 00:14 on Sat 5 Sep and covers 12 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ekadashi?on=2026-09-07", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38482, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-09-06T19:29:44+05:30", "utc": "2026-09-06T13:59:44Z", "ms": 1788703184454.139 }, "end": { "local": "2026-09-07T17:04:40+05:30", "utc": "2026-09-07T11:34:40Z", "ms": 1788780879598.0698 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-09-06T19:29:44+05:30", "utc": "2026-09-06T13:59:44Z", "ms": 1788703184454.139 }, "end": { "local": "2026-09-07T17:04:40+05:30", "utc": "2026-09-07T11:34:40Z", "ms": 1788780879598.0698 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-09-07", "window": { "start": { "local": "2026-09-07T06:11:07+05:30", "utc": "2026-09-07T00:41:07Z", "ms": 1788741666802.9075 }, "end": { "local": "2026-09-07T06:11:07+05:30", "utc": "2026-09-07T00:41:07Z", "ms": 1788741666802.9075 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-09-08", "window": { "start": { "local": "2026-09-08T06:11:25+05:30", "utc": "2026-09-08T00:41:25Z", "ms": 1788828085468.5544 }, "end": { "local": "2026-09-08T06:11:25+05:30", "utc": "2026-09-08T00:41:25Z", "ms": 1788828085468.5544 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:30 on Sun 6 Sep to 17:05 on Mon 7 Sep.", "fact": "2026-09-06T13:59:44Z → 2026-09-07T11:34:40Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 7th and 06:11 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38482 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Ujjain, 2026: Monday 7 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-07", "confidence": "determinate" } ], "quote": "In Ujjain, Ajā Ekādaśī 2026 falls on Monday 7 September. Ekādaśī runs from 19:30 on Sun 6 Sep to 17:05 on Mon 7 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-09-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/pradosha-vrata?on=2026-09-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14043, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-09-08T14:43:29+05:30", "utc": "2026-09-08T09:13:29Z", "ms": 1788858808681.333 }, "end": { "local": "2026-09-09T12:31:19+05:30", "utc": "2026-09-09T07:01:19Z", "ms": 1788937278863.0383 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-09-08T14:43:29+05:30", "utc": "2026-09-08T09:13:29Z", "ms": 1788858808681.333 }, "end": { "local": "2026-09-09T12:31:19+05:30", "utc": "2026-09-09T07:01:19Z", "ms": 1788937278863.0383 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-09-08", "window": { "start": { "local": "2026-09-08T18:37:32+05:30", "utc": "2026-09-08T13:07:32Z", "ms": 1788872851627.0193 }, "end": { "local": "2026-09-08T20:10:05+05:30", "utc": "2026-09-08T14:40:05Z", "ms": 1788878405286.2473 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "2026-09-09", "window": { "start": { "local": "2026-09-09T18:36:32+05:30", "utc": "2026-09-09T13:06:32Z", "ms": 1788959191629.776 }, "end": { "local": "2026-09-09T20:09:16+05:30", "utc": "2026-09-09T14:39:16Z", "ms": 1788964755761.5723 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:43 on Tue 8 Sep to 12:31 on Wed 9 Sep.", "fact": "2026-09-08T09:13:29Z → 2026-09-09T07:01:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:10 on the 8th, 18:37–20:09 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 93 of 93 minutes on the 8th and 0 of 93 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14043 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2026: Tuesday 8 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-08", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2026 falls on Tuesday 8 September. Trayodaśī runs from 14:43 on Tue 8 Sep to 12:31 on Wed 9 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-09-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21913, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2026-09-09T12:31:19+05:30", "utc": "2026-09-09T07:01:19Z", "ms": 1788937278863.0383 }, "end": { "local": "2026-09-10T10:33:49+05:30", "utc": "2026-09-10T05:03:49Z", "ms": 1789016629288.5635 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-09-09T12:31:19+05:30", "utc": "2026-09-09T07:01:19Z", "ms": 1788937278863.0383 }, "end": { "local": "2026-09-10T10:33:49+05:30", "utc": "2026-09-10T05:03:49Z", "ms": 1789016629288.5635 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-09-09", "window": { "start": { "local": "2026-09-09T18:36:32+05:30", "utc": "2026-09-09T13:06:32Z", "ms": 1788959191629.776 }, "end": { "local": "2026-09-09T20:09:16+05:30", "utc": "2026-09-09T14:39:16Z", "ms": 1788964755761.5723 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "2026-09-10", "window": { "start": { "local": "2026-09-10T18:35:31+05:30", "utc": "2026-09-10T13:05:31Z", "ms": 1789045531399.9685 }, "end": { "local": "2026-09-10T20:08:26+05:30", "utc": "2026-09-10T14:38:26Z", "ms": 1789051106029.1033 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:31 on Wed 9 Sep to 10:34 on Thu 10 Sep.", "fact": "2026-09-09T07:01:19Z → 2026-09-10T05:03:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:37–20:09 on the 9th, 18:36–20:08 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 93 of 93 minutes on the 9th and 0 of 93 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21913 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Ujjain, 2026: Wednesday 9 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-09", "confidence": "determinate" } ], "quote": "In Ujjain, Aghora Caturdaśī 2026 falls on Wednesday 9 September. Caturdaśī runs from 12:31 on Wed 9 Sep to 10:34 on Thu 10 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/shivaratri?on=2026-09-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35132, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2026-09-09T12:31:19+05:30", "utc": "2026-09-09T07:01:19Z", "ms": 1788937278863.0383 }, "end": { "local": "2026-09-10T10:33:49+05:30", "utc": "2026-09-10T05:03:49Z", "ms": 1789016629288.5635 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-09-09T12:31:19+05:30", "utc": "2026-09-09T07:01:19Z", "ms": 1788937278863.0383 }, "end": { "local": "2026-09-10T10:33:49+05:30", "utc": "2026-09-10T05:03:49Z", "ms": 1789016629288.5635 } }, "kaala": "nishita", "days": [ { "local_date": "2026-09-08", "window": { "start": { "local": "2026-09-09T00:00:38+05:30", "utc": "2026-09-08T18:30:38Z", "ms": 1788892237849.1243 }, "end": { "local": "2026-09-09T00:48:38+05:30", "utc": "2026-09-08T19:18:38Z", "ms": 1788895117849.1243 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-09-09", "window": { "start": { "local": "2026-09-10T00:00:17+05:30", "utc": "2026-09-09T18:30:17Z", "ms": 1788978617124.0125 }, "end": { "local": "2026-09-10T00:48:17+05:30", "utc": "2026-09-09T19:18:17Z", "ms": 1788981497124.0125 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:31 on Wed 9 Sep to 10:34 on Thu 10 Sep.", "fact": "2026-09-09T07:01:19Z → 2026-09-10T05:03:49Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:01–00:49 on the 8th, 00:00–00:48 on the 9th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35132 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2026: Wednesday 9 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-09", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2026 falls on Wednesday 9 September. Caturdaśī runs from 12:31 on Wed 9 Sep to 10:34 on Thu 10 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2026/shivaratri?on=2026-09-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10946, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2026-09-11T08:57:00+05:30", "utc": "2026-09-11T03:27:00Z", "ms": 1789097219925.7017 }, "end": { "local": "2026-09-12T07:46:52+05:30", "utc": "2026-09-12T02:16:52Z", "ms": 1789179411517.9253 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-09-11T08:57:00+05:30", "utc": "2026-09-11T03:27:00Z", "ms": 1789097219925.7017 }, "end": { "local": "2026-09-12T07:46:52+05:30", "utc": "2026-09-12T02:16:52Z", "ms": 1789179411517.9253 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-09-11", "window": { "start": { "local": "2026-09-11T11:59:26+05:30", "utc": "2026-09-11T06:29:26Z", "ms": 1789108166039.2222 }, "end": { "local": "2026-09-11T12:47:26+05:30", "utc": "2026-09-11T07:17:26Z", "ms": 1789111046039.2222 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-09-12", "window": { "start": { "local": "2026-09-12T11:59:05+05:30", "utc": "2026-09-12T06:29:05Z", "ms": 1789194544955.7144 }, "end": { "local": "2026-09-12T12:47:05+05:30", "utc": "2026-09-12T07:17:05Z", "ms": 1789197424955.7144 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 08:57 on Fri 11 Sep to 07:47 on Sat 12 Sep.", "fact": "2026-09-11T03:27:00Z → 2026-09-12T02:16:52Z" }, { "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": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10946 s" }, { "step": "ruling", "text": "Rudra Vrata, Ujjain, 2026: Friday 11 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": "2026-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-11", "confidence": "determinate" } ], "quote": "In Ujjain, Rudra Vrata 2026 falls on Friday 11 September. Pratipadā runs from 08:57 on Fri 11 Sep to 07:47 on Sat 12 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17389, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2026-09-13T07:08:55+05:30", "utc": "2026-09-13T01:38:55Z", "ms": 1789263534806.9834 }, "end": { "local": "2026-09-14T07:07:28+05:30", "utc": "2026-09-14T01:37:28Z", "ms": 1789349847967.371 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-09-13T07:08:55+05:30", "utc": "2026-09-13T01:38:55Z", "ms": 1789263534806.9834 }, "end": { "local": "2026-09-14T07:07:28+05:30", "utc": "2026-09-14T01:37:28Z", "ms": 1789349847967.371 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-09-13", "window": { "start": { "local": "2026-09-13T11:58:44+05:30", "utc": "2026-09-13T06:28:44Z", "ms": 1789280923774.2065 }, "end": { "local": "2026-09-13T12:46:44+05:30", "utc": "2026-09-13T07:16:44Z", "ms": 1789283803774.2065 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-09-14", "window": { "start": { "local": "2026-09-14T11:58:23+05:30", "utc": "2026-09-14T06:28:23Z", "ms": 1789367302510.9731 }, "end": { "local": "2026-09-14T12:46:23+05:30", "utc": "2026-09-14T07:16:23Z", "ms": 1789370182510.9731 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 07:09 on Sun 13 Sep to 07:07 on Mon 14 Sep.", "fact": "2026-09-13T01:38:55Z → 2026-09-14T01:37:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 13th, 11:58–12:46 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17389 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Ujjain, 2026: Sunday 13 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": "2026-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-13", "confidence": "determinate" } ], "quote": "In Ujjain, Haritālikā Vrata (Hartalika Teej) 2026 falls on Sunday 13 September. Tṛtīyā runs from 07:09 on Sun 13 Sep to 07:07 on Mon 14 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15197, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-09-14T07:07:28+05:30", "utc": "2026-09-14T01:37:28Z", "ms": 1789349847967.371 }, "end": { "local": "2026-09-15T07:44:44+05:30", "utc": "2026-09-15T02:14:44Z", "ms": 1789438483845.4514 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-09-14T07:07:28+05:30", "utc": "2026-09-14T01:37:28Z", "ms": 1789349847967.371 }, "end": { "local": "2026-09-15T07:44:44+05:30", "utc": "2026-09-15T02:14:44Z", "ms": 1789438483845.4514 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-09-14", "window": { "start": { "local": "2026-09-14T11:58:23+05:30", "utc": "2026-09-14T06:28:23Z", "ms": 1789367302510.9731 }, "end": { "local": "2026-09-14T12:46:23+05:30", "utc": "2026-09-14T07:16:23Z", "ms": 1789370182510.9731 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-09-15", "window": { "start": { "local": "2026-09-15T11:58:01+05:30", "utc": "2026-09-15T06:28:01Z", "ms": 1789453681183.0046 }, "end": { "local": "2026-09-15T12:46:01+05:30", "utc": "2026-09-15T07:16:01Z", "ms": 1789456561183.0046 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:07 on Mon 14 Sep to 07:45 on Tue 15 Sep.", "fact": "2026-09-14T01:37:28Z → 2026-09-15T02:14:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 14th, 11:58–12:46 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15197 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Ujjain, 2026: Monday 14 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": "2026-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-14", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-09-14" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Gaṇeśa Caturthī 2026 falls on Monday 14 September. Caturthī runs from 07:07 on Mon 14 Sep to 07:45 on Tue 15 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10666, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2026-09-15T07:44:44+05:30", "utc": "2026-09-15T02:14:44Z", "ms": 1789438483845.4514 }, "end": { "local": "2026-09-16T08:59:54+05:30", "utc": "2026-09-16T03:29:54Z", "ms": 1789529393872.2642 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-09-15T07:44:44+05:30", "utc": "2026-09-15T02:14:44Z", "ms": 1789438483845.4514 }, "end": { "local": "2026-09-16T08:59:54+05:30", "utc": "2026-09-16T03:29:54Z", "ms": 1789529393872.2642 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-09-15", "window": { "start": { "local": "2026-09-15T11:58:01+05:30", "utc": "2026-09-15T06:28:01Z", "ms": 1789453681183.0046 }, "end": { "local": "2026-09-15T12:46:01+05:30", "utc": "2026-09-15T07:16:01Z", "ms": 1789456561183.0046 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-09-16", "window": { "start": { "local": "2026-09-16T11:57:40+05:30", "utc": "2026-09-16T06:27:40Z", "ms": 1789540059808.0059 }, "end": { "local": "2026-09-16T12:45:40+05:30", "utc": "2026-09-16T07:15:40Z", "ms": 1789542939808.0059 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 07:45 on Tue 15 Sep to 09:00 on Wed 16 Sep.", "fact": "2026-09-15T02:14:44Z → 2026-09-16T03:29:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 15th, 11:58–12:46 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 10666 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Ujjain, 2026: Tuesday 15 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": "2026-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-15", "confidence": "determinate" } ], "quote": "In Ujjain, Ṛṣi Pañcamī 2026 falls on Tuesday 15 September. Pañcamī runs from 07:45 on Tue 15 Sep to 09:00 on Wed 16 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4136, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2026-09-16T08:59:54+05:30", "utc": "2026-09-16T03:29:54Z", "ms": 1789529393872.2642 }, "end": { "local": "2026-09-17T10:48:23+05:30", "utc": "2026-09-17T05:18:23Z", "ms": 1789622302838.7778 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-09-16T08:59:54+05:30", "utc": "2026-09-16T03:29:54Z", "ms": 1789529393872.2642 }, "end": { "local": "2026-09-17T10:48:23+05:30", "utc": "2026-09-17T05:18:23Z", "ms": 1789622302838.7778 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-09-16", "window": { "start": { "local": "2026-09-16T11:57:40+05:30", "utc": "2026-09-16T06:27:40Z", "ms": 1789540059808.0059 }, "end": { "local": "2026-09-16T12:45:40+05:30", "utc": "2026-09-16T07:15:40Z", "ms": 1789542939808.0059 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-09-17", "window": { "start": { "local": "2026-09-17T11:57:18+05:30", "utc": "2026-09-17T06:27:18Z", "ms": 1789626438404.353 }, "end": { "local": "2026-09-17T12:45:18+05:30", "utc": "2026-09-17T07:15:18Z", "ms": 1789629318404.353 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:00 on Wed 16 Sep to 10:48 on Thu 17 Sep.", "fact": "2026-09-16T03:29:54Z → 2026-09-17T05:18:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 16th, 11:57–12:45 on the 17th.", "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 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4136 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Ujjain, 2026: Wednesday 16 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": "2026-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-16", "confidence": "determinate" } ], "quote": "In Ujjain, Sūrya Ṣaṣṭhī (Bhādrapada) 2026 falls on Wednesday 16 September. Ṣaṣṭhī runs from 09:00 on Wed 16 Sep to 10:48 on Thu 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 998, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2026-09-17T10:48:23+05:30", "utc": "2026-09-17T05:18:23Z", "ms": 1789622302838.7778 }, "end": { "local": "2026-09-18T13:01:35+05:30", "utc": "2026-09-18T07:31:35Z", "ms": 1789716694635.5015 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-09-17T10:48:23+05:30", "utc": "2026-09-17T05:18:23Z", "ms": 1789622302838.7778 }, "end": { "local": "2026-09-18T13:01:35+05:30", "utc": "2026-09-18T07:31:35Z", "ms": 1789716694635.5015 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-09-17", "window": { "start": { "local": "2026-09-17T11:57:18+05:30", "utc": "2026-09-17T06:27:18Z", "ms": 1789626438404.353 }, "end": { "local": "2026-09-17T12:45:18+05:30", "utc": "2026-09-17T07:15:18Z", "ms": 1789629318404.353 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-09-18", "window": { "start": { "local": "2026-09-18T11:56:57+05:30", "utc": "2026-09-18T06:26:57Z", "ms": 1789712816991.035 }, "end": { "local": "2026-09-18T12:44:57+05:30", "utc": "2026-09-18T07:14:57Z", "ms": 1789715696991.035 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:48 on Thu 17 Sep to 13:02 on Fri 18 Sep.", "fact": "2026-09-17T05:18:23Z → 2026-09-18T07:31:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 17th, 11:57–12:45 on the 18th.", "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 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 998 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Ujjain, 2026: Thursday 17 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": "2026-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-17", "confidence": "determinate" } ], "quote": "In Ujjain, Muktābharaṇa Vrata 2026 falls on Thursday 17 September. Saptamī runs from 10:48 on Thu 17 Sep to 13:02 on Fri 18 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 998, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2026-09-18T13:01:35+05:30", "utc": "2026-09-18T07:31:35Z", "ms": 1789716694635.5015 }, "end": { "local": "2026-09-19T15:27:27+05:30", "utc": "2026-09-19T09:57:27Z", "ms": 1789811847291.9717 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-09-18T13:01:35+05:30", "utc": "2026-09-18T07:31:35Z", "ms": 1789716694635.5015 }, "end": { "local": "2026-09-19T15:27:27+05:30", "utc": "2026-09-19T09:57:27Z", "ms": 1789811847291.9717 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-09-18", "window": { "start": { "local": "2026-09-18T11:56:57+05:30", "utc": "2026-09-18T06:26:57Z", "ms": 1789712816991.035 }, "end": { "local": "2026-09-18T12:44:57+05:30", "utc": "2026-09-18T07:14:57Z", "ms": 1789715696991.035 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-09-19", "window": { "start": { "local": "2026-09-19T11:56:36+05:30", "utc": "2026-09-19T06:26:36Z", "ms": 1789799195587.5938 }, "end": { "local": "2026-09-19T12:44:36+05:30", "utc": "2026-09-19T07:14:36Z", "ms": 1789802075587.5938 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 13:02 on Fri 18 Sep to 15:27 on Sat 19 Sep.", "fact": "2026-09-18T07:31:35Z → 2026-09-19T09:57:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 18th, 11:57–12:45 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 998 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Ujjain, 2026: Saturday 19 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-19", "confidence": "boundary" } ], "quote": "In Ujjain, Rādhāṣṭamī 2026 falls on Saturday 19 September. Aṣṭamī runs from 13:02 on Fri 18 Sep to 15:27 on Sat 19 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ekadashi?on=2026-09-22", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30736, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-09-21T20:01:23+05:30", "utc": "2026-09-21T14:31:23Z", "ms": 1790001083386.5105 }, "end": { "local": "2026-09-22T21:43:47+05:30", "utc": "2026-09-22T16:13:47Z", "ms": 1790093627188.7483 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-09-21T20:01:23+05:30", "utc": "2026-09-21T14:31:23Z", "ms": 1790001083386.5105 }, "end": { "local": "2026-09-22T21:43:47+05:30", "utc": "2026-09-22T16:13:47Z", "ms": 1790093627188.7483 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-09-22", "window": { "start": { "local": "2026-09-22T06:15:44+05:30", "utc": "2026-09-22T00:45:44Z", "ms": 1790037944365.4634 }, "end": { "local": "2026-09-22T06:15:44+05:30", "utc": "2026-09-22T00:45:44Z", "ms": 1790037944365.4634 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-09-23", "window": { "start": { "local": "2026-09-23T06:16:03+05:30", "utc": "2026-09-23T00:46:03Z", "ms": 1790124363148.3374 }, "end": { "local": "2026-09-23T06:16:03+05:30", "utc": "2026-09-23T00:46:03Z", "ms": 1790124363148.3374 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:01 on Mon 21 Sep to 21:44 on Tue 22 Sep.", "fact": "2026-09-21T14:31:23Z → 2026-09-22T16:13:47Z" }, { "step": "kaala", "text": "Sunrise is at 06:16 on the 22nd and 06:16 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30736 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Ujjain, 2026: Tuesday 22 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": "2026-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-22", "confidence": "determinate" } ], "quote": "In Ujjain, Parivartanī Ekādaśī 2026 falls on Tuesday 22 September. Ekādaśī runs from 20:01 on Mon 21 Sep to 21:44 on Tue 22 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-09-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32416, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2026-09-22T21:43:47+05:30", "utc": "2026-09-22T16:13:47Z", "ms": 1790093627188.7483 }, "end": { "local": "2026-09-23T22:51:00+05:30", "utc": "2026-09-23T17:21:00Z", "ms": 1790184060109.8198 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-09-22T21:43:47+05:30", "utc": "2026-09-22T16:13:47Z", "ms": 1790093627188.7483 }, "end": { "local": "2026-09-23T22:51:00+05:30", "utc": "2026-09-23T17:21:00Z", "ms": 1790184060109.8198 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-09-22", "window": { "start": { "local": "2026-09-22T11:55:32+05:30", "utc": "2026-09-22T06:25:32Z", "ms": 1790058331639.5935 }, "end": { "local": "2026-09-22T12:43:32+05:30", "utc": "2026-09-22T07:13:32Z", "ms": 1790061211639.5935 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-09-23", "window": { "start": { "local": "2026-09-23T11:55:10+05:30", "utc": "2026-09-23T06:25:10Z", "ms": 1790144710481.2773 }, "end": { "local": "2026-09-23T12:43:10+05:30", "utc": "2026-09-23T07:13:10Z", "ms": 1790147590481.2773 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:44 on Tue 22 Sep to 22:51 on Wed 23 Sep.", "fact": "2026-09-22T16:13:47Z → 2026-09-23T17:21:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 22nd, 11:55–12:43 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 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: unstated → only-day · margin 32416 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Ujjain, 2026: Wednesday 23 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vamana-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-23", "confidence": "determinate" } ], "quote": "In Ujjain, Vāmana Jayantī 2026 falls on Wednesday 23 September. Dvādaśī runs from 21:44 on Tue 22 Sep to 22:51 on Wed 23 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/pradosha-vrata?on=2026-09-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10410, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-09-23T22:51:00+05:30", "utc": "2026-09-23T17:21:00Z", "ms": 1790184060109.8198 }, "end": { "local": "2026-09-24T23:18:56+05:30", "utc": "2026-09-24T17:48:56Z", "ms": 1790272135632.6646 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-09-23T22:51:00+05:30", "utc": "2026-09-23T17:21:00Z", "ms": 1790184060109.8198 }, "end": { "local": "2026-09-24T23:18:56+05:30", "utc": "2026-09-24T17:48:56Z", "ms": 1790272135632.6646 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-09-23", "window": { "start": { "local": "2026-09-23T18:22:18+05:30", "utc": "2026-09-23T12:52:18Z", "ms": 1790167937814.2175 }, "end": { "local": "2026-09-23T19:57:30+05:30", "utc": "2026-09-23T14:27:30Z", "ms": 1790173650378.6946 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "2026-09-24", "window": { "start": { "local": "2026-09-24T18:21:17+05:30", "utc": "2026-09-24T12:51:17Z", "ms": 1790254276828.814 }, "end": { "local": "2026-09-24T19:56:40+05:30", "utc": "2026-09-24T14:26:40Z", "ms": 1790260000062.5078 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:51 on Wed 23 Sep to 23:19 on Thu 24 Sep.", "fact": "2026-09-23T17:21:00Z → 2026-09-24T17:48:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:22–19:58 on the 23rd, 18:21–19:57 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 95 minutes on the 23rd and 95 of 95 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10410 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2026: Thursday 24 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-24", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2026 falls on Thursday 24 September. Trayodaśī runs from 22:51 on Wed 23 Sep to 23:19 on Thu 24 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-09-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25065, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2026-09-24T23:18:56+05:30", "utc": "2026-09-24T17:48:56Z", "ms": 1790272135632.6646 }, "end": { "local": "2026-09-25T23:07:19+05:30", "utc": "2026-09-25T17:37:19Z", "ms": 1790357838891.7727 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2026-09-24T23:18:56+05:30", "utc": "2026-09-24T17:48:56Z", "ms": 1790272135632.6646 }, "end": { "local": "2026-09-25T23:07:19+05:30", "utc": "2026-09-25T17:37:19Z", "ms": 1790357838891.7727 } }, "kaala": "udaya-3", "days": [ { "local_date": "2026-09-25", "window": { "start": { "local": "2026-09-25T06:16:41+05:30", "utc": "2026-09-25T00:46:41Z", "ms": 1790297201081.518 }, "end": { "local": "2026-09-25T08:41:24+05:30", "utc": "2026-09-25T03:11:24Z", "ms": 1790305884062.3027 } }, "covered_min": 145, "window_min": 145, "qualifies": true }, { "local_date": "2026-09-26", "window": { "start": { "local": "2026-09-26T06:17:00+05:30", "utc": "2026-09-26T00:47:00Z", "ms": 1790383620267.9922 }, "end": { "local": "2026-09-26T08:41:27+05:30", "utc": "2026-09-26T03:11:27Z", "ms": 1790392287276.8833 } }, "covered_min": 0, "window_min": 144, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:19 on Thu 24 Sep to 23:07 on Fri 25 Sep.", "fact": "2026-09-24T17:48:56Z → 2026-09-25T17:37:19Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:17–08:41 on the 25th, 06:17–08:41 on the 26th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 145 of 145 minutes on the 25th and 0 of 144 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25065 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Ujjain, 2026: Friday 25 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananta-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)." } ], "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.", "kaala": "udaya-3", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-25", "confidence": "determinate" } ], "quote": "In Ujjain, Ananta Caturdaśī 2026 falls on Friday 25 September. Caturdaśī runs from 23:19 on Thu 24 Sep to 23:07 on Fri 25 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/sankashta-chaturthi?on=2026-09-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10037, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-09-29T17:10:43+05:30", "utc": "2026-09-29T11:40:43Z", "ms": 1790682043248.1016 }, "end": { "local": "2026-09-30T14:55:50+05:30", "utc": "2026-09-30T09:25:50Z", "ms": 1790760350490.3772 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2026-09-29T17:10:43+05:30", "utc": "2026-09-29T11:40:43Z", "ms": 1790682043248.1016 }, "end": { "local": "2026-09-30T14:55:50+05:30", "utc": "2026-09-30T09:25:50Z", "ms": 1790760350490.3772 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-09-29", "window": { "start": { "local": "2026-09-29T19:58:01+05:30", "utc": "2026-09-29T14:28:01Z", "ms": 1790692080686.8882 }, "end": { "local": "2026-09-29T19:58:01+05:30", "utc": "2026-09-29T14:28:01Z", "ms": 1790692080686.8882 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-09-30", "window": { "start": { "local": "2026-09-30T20:46:43+05:30", "utc": "2026-09-30T15:16:43Z", "ms": 1790781403232.168 }, "end": { "local": "2026-09-30T20:46:43+05:30", "utc": "2026-09-30T15:16:43Z", "ms": 1790781403232.168 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:11 on Tue 29 Sep to 14:56 on Wed 30 Sep.", "fact": "2026-09-29T11:40:43Z → 2026-09-30T09:25:50Z" }, { "step": "kaala", "text": "Moonrise is at 19:58 on the 29th and 20:47 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10037 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2026: Tuesday 29 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-09-29", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2026 falls on Tuesday 29 September. Caturthī runs from 17:11 on Tue 29 Sep to 14:56 on Wed 30 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/sankashta-chaturthi?on=2026-09-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32791, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2026-10-01T12:35:43+05:30", "utc": "2026-10-01T07:05:43Z", "ms": 1790838343099.98 }, "end": { "local": "2026-10-02T10:15:43+05:30", "utc": "2026-10-02T04:45:43Z", "ms": 1790916343018.6167 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2026-10-01T12:35:43+05:30", "utc": "2026-10-01T07:05:43Z", "ms": 1790838343099.98 }, "end": { "local": "2026-10-02T10:15:43+05:30", "utc": "2026-10-02T04:45:43Z", "ms": 1790916343018.6167 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-10-01", "window": { "start": { "local": "2026-10-01T21:42:15+05:30", "utc": "2026-10-01T16:12:15Z", "ms": 1790871134516.9587 }, "end": { "local": "2026-10-01T21:42:15+05:30", "utc": "2026-10-01T16:12:15Z", "ms": 1790871134516.9587 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-10-02", "window": { "start": { "local": "2026-10-02T22:43:53+05:30", "utc": "2026-10-02T17:13:53Z", "ms": 1790961232790.658 }, "end": { "local": "2026-10-02T22:43:53+05:30", "utc": "2026-10-02T17:13:53Z", "ms": 1790961232790.658 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 12:36 on Thu 1 Oct to 10:16 on Fri 2 Oct.", "fact": "2026-10-01T07:05:43Z → 2026-10-02T04:45:43Z" }, { "step": "kaala", "text": "Moonrise is at 21:42 on the 1st and 22:44 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32791 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Ujjain, 2026: Thursday 1 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-10-01", "confidence": "determinate" } ], "quote": "In Ujjain, Candra Ṣaṣṭhī 2026 falls on Thursday 1 October. Ṣaṣṭhī runs from 12:36 on Thu 1 Oct to 10:16 on Fri 2 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36176, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2026-10-03T08:00:08+05:30", "utc": "2026-10-03T02:30:08Z", "ms": 1790994608444.8064 }, "end": { "local": "2026-10-04T05:52:13+05:30", "utc": "2026-10-04T00:22:13Z", "ms": 1791073333200.1528 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2026-10-03T08:00:08+05:30", "utc": "2026-10-03T02:30:08Z", "ms": 1790994608444.8064 }, "end": { "local": "2026-10-04T05:52:13+05:30", "utc": "2026-10-04T00:22:13Z", "ms": 1791073333200.1528 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-10-02", "window": { "start": { "local": "2026-10-02T18:13:16+05:30", "utc": "2026-10-02T12:43:16Z", "ms": 1790944996472.8137 }, "end": { "local": "2026-10-02T19:50:05+05:30", "utc": "2026-10-02T14:20:05Z", "ms": 1790950805006.749 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "2026-10-03", "window": { "start": { "local": "2026-10-03T18:12:18+05:30", "utc": "2026-10-03T12:42:18Z", "ms": 1791031337802.5754 }, "end": { "local": "2026-10-03T19:49:17+05:30", "utc": "2026-10-03T14:19:17Z", "ms": 1791037156971.5408 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:00 on Sat 3 Oct to 05:52 on Sun 4 Oct.", "fact": "2026-10-03T02:30:08Z → 2026-10-04T00:22:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:50 on the 2nd, 18:12–19:49 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 97 minutes on the 2nd and 97 of 97 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36176 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Ujjain, 2026: Saturday 3 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-10-03", "confidence": "determinate" } ], "quote": "In Ujjain, Jitāṣṭamī (Jitiya) 2026 falls on Saturday 3 October. Aṣṭamī runs from 08:00 on Sat 3 Oct to 05:52 on Sun 4 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21775, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2026-10-03T08:00:08+05:30", "utc": "2026-10-03T02:30:08Z", "ms": 1790994608444.8064 }, "end": { "local": "2026-10-04T05:52:13+05:30", "utc": "2026-10-04T00:22:13Z", "ms": 1791073333200.1528 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2026-10-03T08:00:08+05:30", "utc": "2026-10-03T02:30:08Z", "ms": 1790994608444.8064 }, "end": { "local": "2026-10-04T05:52:13+05:30", "utc": "2026-10-04T00:22:13Z", "ms": 1791073333200.1528 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-10-02", "window": { "start": { "local": "2026-10-02T22:43:53+05:30", "utc": "2026-10-02T17:13:53Z", "ms": 1790961232790.658 }, "end": { "local": "2026-10-02T22:43:53+05:30", "utc": "2026-10-02T17:13:53Z", "ms": 1790961232790.658 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-10-03", "window": { "start": { "local": "2026-10-03T23:49:18+05:30", "utc": "2026-10-03T18:19:18Z", "ms": 1791051558007.0603 }, "end": { "local": "2026-10-03T23:49:18+05:30", "utc": "2026-10-03T18:19:18Z", "ms": 1791051558007.0603 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:00 on Sat 3 Oct to 05:52 on Sun 4 Oct.", "fact": "2026-10-03T02:30:08Z → 2026-10-04T00:22:13Z" }, { "step": "kaala", "text": "Moonrise is at 22:44 on the 2nd and 23:49 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 2nd and is on the 3rd.", "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 21775 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Ujjain, 2026: Saturday 3 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-10-03", "confidence": "determinate" } ], "quote": "In Ujjain, Mahālakṣmī Vrata Samāpana 2026 falls on Saturday 3 October. Aṣṭamī runs from 08:00 on Sat 3 Oct to 05:52 on Sun 4 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ekadashi?on=2026-10-06", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15143, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-10-06T02:08:02+05:30", "utc": "2026-10-05T20:38:02Z", "ms": 1791232681877.1067 }, "end": { "local": "2026-10-07T00:35:02+05:30", "utc": "2026-10-06T19:05:02Z", "ms": 1791313502162.332 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2026-10-06T02:08:02+05:30", "utc": "2026-10-05T20:38:02Z", "ms": 1791232681877.1067 }, "end": { "local": "2026-10-07T00:35:02+05:30", "utc": "2026-10-06T19:05:02Z", "ms": 1791313502162.332 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-10-06", "window": { "start": { "local": "2026-10-06T06:20:25+05:30", "utc": "2026-10-06T00:50:25Z", "ms": 1791247824703.204 }, "end": { "local": "2026-10-06T06:20:25+05:30", "utc": "2026-10-06T00:50:25Z", "ms": 1791247824703.204 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-10-07", "window": { "start": { "local": "2026-10-07T06:20:47+05:30", "utc": "2026-10-07T00:50:47Z", "ms": 1791334246766.8975 }, "end": { "local": "2026-10-07T06:20:47+05:30", "utc": "2026-10-07T00:50:47Z", "ms": 1791334246766.8975 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:08 on Tue 6 Oct to 00:35 on Wed 7 Oct.", "fact": "2026-10-05T20:38:02Z → 2026-10-06T19:05:02Z" }, { "step": "kaala", "text": "Sunrise is at 06:20 on the 6th and 06:21 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15143 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Ujjain, 2026: Tuesday 6 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-10-06", "confidence": "determinate" } ], "quote": "In Ujjain, Indirā Ekādaśī 2026 falls on Tuesday 6 October. Ekādaśī runs from 02:08 on Tue 6 Oct to 00:35 on Wed 7 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-10-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/pradosha-vrata?on=2026-10-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9066, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-10-07T23:17:04+05:30", "utc": "2026-10-07T17:47:04Z", "ms": 1791395224429.04 }, "end": { "local": "2026-10-08T22:16:29+05:30", "utc": "2026-10-08T16:46:29Z", "ms": 1791477989199.669 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2026-10-07T23:17:04+05:30", "utc": "2026-10-07T17:47:04Z", "ms": 1791395224429.04 }, "end": { "local": "2026-10-08T22:16:29+05:30", "utc": "2026-10-08T16:46:29Z", "ms": 1791477989199.669 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-10-07", "window": { "start": { "local": "2026-10-07T18:08:27+05:30", "utc": "2026-10-07T12:38:27Z", "ms": 1791376707384.9443 }, "end": { "local": "2026-10-07T19:46:09+05:30", "utc": "2026-10-07T14:16:09Z", "ms": 1791382568956.9846 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "2026-10-08", "window": { "start": { "local": "2026-10-08T18:07:31+05:30", "utc": "2026-10-08T12:37:31Z", "ms": 1791463050973.9868 }, "end": { "local": "2026-10-08T19:45:23+05:30", "utc": "2026-10-08T14:15:23Z", "ms": 1791468923102.402 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:17 on Wed 7 Oct to 22:16 on Thu 8 Oct.", "fact": "2026-10-07T17:47:04Z → 2026-10-08T16:46:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:46 on the 7th, 18:08–19:45 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 7th and 98 of 98 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9066 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2026: Thursday 8 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-10-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-10-08", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2026 falls on Thursday 8 October. Trayodaśī runs from 23:17 on Wed 7 Oct to 22:16 on Thu 8 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-10-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/shivaratri?on=2026-10-08", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5642, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2026-10-08T22:16:29+05:30", "utc": "2026-10-08T16:46:29Z", "ms": 1791477989199.669 }, "end": { "local": "2026-10-09T21:36:18+05:30", "utc": "2026-10-09T16:06:18Z", "ms": 1791561977948.4692 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2026-10-08T22:16:29+05:30", "utc": "2026-10-08T16:46:29Z", "ms": 1791477989199.669 }, "end": { "local": "2026-10-09T21:36:18+05:30", "utc": "2026-10-09T16:06:18Z", "ms": 1791561977948.4692 } }, "kaala": "nishita", "days": [ { "local_date": "2026-10-08", "window": { "start": { "local": "2026-10-08T23:50:31+05:30", "utc": "2026-10-08T18:20:31Z", "ms": 1791483631455.544 }, "end": { "local": "2026-10-09T00:38:31+05:30", "utc": "2026-10-08T19:08:31Z", "ms": 1791486511455.544 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-10-09", "window": { "start": { "local": "2026-10-09T23:50:15+05:30", "utc": "2026-10-09T18:20:15Z", "ms": 1791570015074.8047 }, "end": { "local": "2026-10-10T00:38:15+05:30", "utc": "2026-10-09T19:08:15Z", "ms": 1791572895074.8047 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:16 on Thu 8 Oct to 21:36 on Fri 9 Oct.", "fact": "2026-10-08T16:46:29Z → 2026-10-09T16:06:18Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:51–00:39 on the 8th, 23:50–00:38 on the 9th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5642 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2026: Thursday 8 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": "2026-10-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-10-08", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2026 falls on Thursday 8 October. Caturdaśī runs from 22:16 on Thu 8 Oct to 21:36 on Fri 9 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2026/shivaratri?on=2026-10-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20110, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2026-10-09T21:36:18+05:30", "utc": "2026-10-09T16:06:18Z", "ms": 1791561977948.4692 }, "end": { "local": "2026-10-10T21:20:05+05:30", "utc": "2026-10-10T15:50:05Z", "ms": 1791647405068.9429 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2026-10-09T21:36:18+05:30", "utc": "2026-10-09T16:06:18Z", "ms": 1791561977948.4692 }, "end": { "local": "2026-10-10T21:20:05+05:30", "utc": "2026-10-10T15:50:05Z", "ms": 1791647405068.9429 } }, "kaala": "aparahna", "days": [ { "local_date": "2026-10-09", "window": { "start": { "local": "2026-10-09T13:24:34+05:30", "utc": "2026-10-09T07:54:34Z", "ms": 1791532473828.24 }, "end": { "local": "2026-10-09T15:45:34+05:30", "utc": "2026-10-09T10:15:34Z", "ms": 1791540934458.6196 } }, "covered_min": 0, "window_min": 141, "qualifies": false }, { "local_date": "2026-10-10", "window": { "start": { "local": "2026-10-10T13:24:10+05:30", "utc": "2026-10-10T07:54:10Z", "ms": 1791618849876.3296 }, "end": { "local": "2026-10-10T15:44:55+05:30", "utc": "2026-10-10T10:14:55Z", "ms": 1791627294814.9028 } }, "covered_min": 141, "window_min": 141, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 21:36 on Fri 9 Oct to 21:20 on Sat 10 Oct.", "fact": "2026-10-09T16:06:18Z → 2026-10-10T15:50:05Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:25–15:46 on the 9th, 13:24–15:45 on the 10th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 141 minutes on the 9th and 141 of 141 on the 10th.", "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 20110 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Ujjain, 2026: Saturday 10 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-10-10", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-10-10" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Mahālaya Amāvāsyā (Mahalaya) 2026 falls on Saturday 10 October. Amāvasyā runs from 21:36 on Fri 9 Oct to 21:20 on Sat 10 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31338, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2026-10-10T21:20:05+05:30", "utc": "2026-10-10T15:50:05Z", "ms": 1791647405068.9429 }, "end": { "local": "2026-10-11T21:31:32+05:30", "utc": "2026-10-11T16:01:32Z", "ms": 1791734492214.0315 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2026-10-10T21:20:05+05:30", "utc": "2026-10-10T15:50:05Z", "ms": 1791647405068.9429 }, "end": { "local": "2026-10-11T21:31:32+05:30", "utc": "2026-10-11T16:01:32Z", "ms": 1791734492214.0315 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-10-10", "window": { "start": { "local": "2026-10-10T11:49:47+05:30", "utc": "2026-10-10T06:19:47Z", "ms": 1791613187407.043 }, "end": { "local": "2026-10-10T12:37:47+05:30", "utc": "2026-10-10T07:07:47Z", "ms": 1791616067407.043 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-10-11", "window": { "start": { "local": "2026-10-11T11:49:32+05:30", "utc": "2026-10-11T06:19:32Z", "ms": 1791699571772.0938 }, "end": { "local": "2026-10-11T12:37:32+05:30", "utc": "2026-10-11T07:07:32Z", "ms": 1791702451772.0938 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 21:20 on Sat 10 Oct to 21:32 on Sun 11 Oct.", "fact": "2026-10-10T15:50:05Z → 2026-10-11T16:01:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 10th, 11:50–12:38 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31338 s" }, { "step": "ruling", "text": "Navarātrārambha, Ujjain, 2026: Sunday 11 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-10-11", "confidence": "determinate" } ], "quote": "In Ujjain, Navarātrārambha (Navratri) 2026 falls on Sunday 11 October. Pratipadā runs from 21:20 on Sat 10 Oct to 21:32 on Sun 11 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/vinayaka-chaturthi?on=2026-10-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38086, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-10-13T23:28:14+05:30", "utc": "2026-10-13T17:58:14Z", "ms": 1791914293737.5647 }, "end": { "local": "2026-10-15T01:13:49+05:30", "utc": "2026-10-14T19:43:49Z", "ms": 1792007028629.0203 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2026-10-13T23:28:14+05:30", "utc": "2026-10-13T17:58:14Z", "ms": 1791914293737.5647 }, "end": { "local": "2026-10-15T01:13:49+05:30", "utc": "2026-10-14T19:43:49Z", "ms": 1792007028629.0203 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-10-14", "window": { "start": { "local": "2026-10-14T11:48:48+05:30", "utc": "2026-10-14T06:18:48Z", "ms": 1791958727847.3022 }, "end": { "local": "2026-10-14T12:36:48+05:30", "utc": "2026-10-14T07:06:48Z", "ms": 1791961607847.3022 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-10-15", "window": { "start": { "local": "2026-10-15T11:48:34+05:30", "utc": "2026-10-15T06:18:34Z", "ms": 1792045114250.6475 }, "end": { "local": "2026-10-15T12:36:34+05:30", "utc": "2026-10-15T07:06:34Z", "ms": 1792047994250.6475 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:28 on Tue 13 Oct to 01:14 on Thu 15 Oct.", "fact": "2026-10-13T17:58:14Z → 2026-10-14T19:43:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 14th, 11:49–12:37 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38086 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2026: Wednesday 14 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": "2026-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-10-14", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2026 falls on Wednesday 14 October. Caturthī runs from 23:28 on Tue 13 Oct to 01:14 on Thu 15 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/vinayaka-chaturthi?on=2026-10-14", "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/2026/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1798, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2026-10-17T05:54:50+05:30", "utc": "2026-10-17T00:24:50Z", "ms": 1792196689673.426 }, "end": { "local": "2026-10-18T08:28:39+05:30", "utc": "2026-10-18T02:58:39Z", "ms": 1792292318817.0198 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2026-10-17T05:54:50+05:30", "utc": "2026-10-17T00:24:50Z", "ms": 1792196689673.426 }, "end": { "local": "2026-10-18T08:28:39+05:30", "utc": "2026-10-18T02:58:39Z", "ms": 1792292318817.0198 } }, "kaala": "udaya-1", "days": [ { "local_date": "2026-10-17", "window": { "start": { "local": "2026-10-17T06:24:48+05:30", "utc": "2026-10-17T00:54:48Z", "ms": 1792198487663.944 }, "end": { "local": "2026-10-17T07:11:06+05:30", "utc": "2026-10-17T01:41:06Z", "ms": 1792201266471.294 } }, "covered_min": 46, "window_min": 46, "qualifies": true }, { "local_date": "2026-10-18", "window": { "start": { "local": "2026-10-18T06:25:14+05:30", "utc": "2026-10-18T00:55:14Z", "ms": 1792284913939.841 }, "end": { "local": "2026-10-18T07:11:28+05:30", "utc": "2026-10-18T01:41:28Z", "ms": 1792287687656.6663 } }, "covered_min": 46, "window_min": 46, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:55 on Sat 17 Oct to 08:29 on Sun 18 Oct.", "fact": "2026-10-17T00:24:50Z → 2026-10-18T02:58:39Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:25–07:11 on the 17th, 06:25–07:11 on the 18th.", "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 46 of 46 minutes on the 17th and 46 of 46 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both mornings qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1798 s" }, { "step": "ruling", "text": "Durgā Saptamī, Ujjain, 2026: Sunday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-10-18", "confidence": "determinate" } ], "quote": "In Ujjain, Durgā Saptamī 2026 falls on Sunday 18 October. Saptamī runs from 05:55 on Sat 17 Oct to 08:29 on Sun 18 Oct and covers all of the first muhūrta after sunrise that morning. It also reaches the previous morning for 46 minutes; by the rule the second morning is taken.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3330, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2026-10-18T08:28:39+05:30", "utc": "2026-10-18T02:58:39Z", "ms": 1792292318817.0198 }, "end": { "local": "2026-10-19T10:52:16+05:30", "utc": "2026-10-19T05:22:16Z", "ms": 1792387335953.9272 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2026-10-18T08:28:39+05:30", "utc": "2026-10-18T02:58:39Z", "ms": 1792292318817.0198 }, "end": { "local": "2026-10-19T10:52:16+05:30", "utc": "2026-10-19T05:22:16Z", "ms": 1792387335953.9272 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-10-18", "window": { "start": { "local": "2026-10-18T11:47:57+05:30", "utc": "2026-10-18T06:17:57Z", "ms": 1792304276816.03 }, "end": { "local": "2026-10-18T12:35:57+05:30", "utc": "2026-10-18T07:05:57Z", "ms": 1792307156816.03 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-10-19", "window": { "start": { "local": "2026-10-19T11:47:46+05:30", "utc": "2026-10-19T06:17:46Z", "ms": 1792390665509.5784 }, "end": { "local": "2026-10-19T12:35:46+05:30", "utc": "2026-10-19T07:05:46Z", "ms": 1792393545509.5784 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:29 on Sun 18 Oct to 10:52 on Mon 19 Oct.", "fact": "2026-10-18T02:58:39Z → 2026-10-19T05:22:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 18th, 11:48–12:36 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3330 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Ujjain, 2026: Sunday 18 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": "2026-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-10-18", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-10-19" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Mahāṣṭamī (Durga Ashtami) 2026 falls on Sunday 18 October. Aṣṭamī runs from 08:29 on Sun 18 Oct to 10:52 on Mon 19 Oct and covers all of madhyāhna that midday. Rashtriya Panchang recorded 19 October (Principal festivals, 2026-27).", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 921, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2026-10-19T10:52:16+05:30", "utc": "2026-10-19T05:22:16Z", "ms": 1792387335953.9272 }, "end": { "local": "2026-10-20T12:50:56+05:30", "utc": "2026-10-20T07:20:56Z", "ms": 1792480855811.2322 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2026-10-19T10:52:16+05:30", "utc": "2026-10-19T05:22:16Z", "ms": 1792387335953.9272 }, "end": { "local": "2026-10-20T12:50:56+05:30", "utc": "2026-10-20T07:20:56Z", "ms": 1792480855811.2322 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-10-19", "window": { "start": { "local": "2026-10-19T11:47:46+05:30", "utc": "2026-10-19T06:17:46Z", "ms": 1792390665509.5784 }, "end": { "local": "2026-10-19T12:35:46+05:30", "utc": "2026-10-19T07:05:46Z", "ms": 1792393545509.5784 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-10-20", "window": { "start": { "local": "2026-10-20T11:47:35+05:30", "utc": "2026-10-20T06:17:35Z", "ms": 1792477054815.897 }, "end": { "local": "2026-10-20T12:35:35+05:30", "utc": "2026-10-20T07:05:35Z", "ms": 1792479934815.897 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Navamī runs from 10:52 on Mon 19 Oct to 12:51 on Tue 20 Oct.", "fact": "2026-10-19T05:22:16Z → 2026-10-20T07:20:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 19th, 11:48–12:36 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 921 s" }, { "step": "ruling", "text": "Mahānavamī, Ujjain, 2026: Monday 19 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": "2026-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-10-19", "confidence": "determinate" } ], "quote": "In Ujjain, Mahānavamī 2026 falls on Monday 19 October. Navamī runs from 10:52 on Mon 19 Oct to 12:51 on Tue 20 Oct and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 318, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2026-10-20T12:50:56+05:30", "utc": "2026-10-20T07:20:56Z", "ms": 1792480855811.2322 }, "end": { "local": "2026-10-21T14:12:23+05:30", "utc": "2026-10-21T08:42:23Z", "ms": 1792572142819.8865 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2026-10-20T12:50:56+05:30", "utc": "2026-10-20T07:20:56Z", "ms": 1792480855811.2322 }, "end": { "local": "2026-10-20T18:02:20+05:30", "utc": "2026-10-20T12:32:20Z", "ms": 1792499540252.9075 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2026-10-19T15:38:51+05:30", "utc": "2026-10-19T10:08:51Z", "ms": 1792404530831.133 }, "end": { "local": "2026-10-20T18:02:20+05:30", "utc": "2026-10-20T12:32:20Z", "ms": 1792499540252.9075 } } }, "kaala": "daytime", "days": [ { "local_date": "2026-10-20", "window": { "start": { "local": "2026-10-20T06:26:08+05:30", "utc": "2026-10-20T00:56:08Z", "ms": 1792457767774.5742 }, "end": { "local": "2026-10-20T17:57:02+05:30", "utc": "2026-10-20T12:27:02Z", "ms": 1792499221857.2197 } }, "covered_min": 306, "window_min": 691, "qualifies": true }, { "local_date": "2026-10-21", "window": { "start": { "local": "2026-10-21T06:26:35+05:30", "utc": "2026-10-21T00:56:35Z", "ms": 1792544195347.0815 }, "end": { "local": "2026-10-21T17:56:14+05:30", "utc": "2026-10-21T12:26:14Z", "ms": 1792585574155.5283 } }, "covered_min": 0, "window_min": 690, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 12:51 on Tue 20 Oct to 14:12 on Wed 21 Oct, and Śravaṇa from 15:39 on Mon 19 Oct to 18:02 on Tue 20 Oct. They are together from 12:51 on Tue 20 Oct to 18:02 on Tue 20 Oct.", "fact": "2026-10-20T07:20:56Z → 2026-10-20T12:32:20Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:26–17:57 on the 20th, 06:27–17:56 on the 21st.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 306 of 691 minutes on the 20th and 0 of 690 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 318 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Ujjain, 2026: Tuesday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vijaya-dashami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "conjunction": { "nakshatra": "Śravaṇa", "kaala": "daytime" } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-10-20", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-10-20" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Vijayā Daśamī (Dussehra) 2026 falls on Tuesday 20 October. Daśamī runs from 12:51 on Tue 20 Oct to 14:12 on Wed 21 Oct and is with Śravaṇa in the day time that day, for 306 minutes.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ekadashi?on=2026-10-22", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27947, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-10-21T14:12:23+05:30", "utc": "2026-10-21T08:42:23Z", "ms": 1792572142819.8865 }, "end": { "local": "2026-10-22T14:48:35+05:30", "utc": "2026-10-22T09:18:35Z", "ms": 1792660715382.5613 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2026-10-21T14:12:23+05:30", "utc": "2026-10-21T08:42:23Z", "ms": 1792572142819.8865 }, "end": { "local": "2026-10-22T14:48:35+05:30", "utc": "2026-10-22T09:18:35Z", "ms": 1792660715382.5613 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-10-21", "window": { "start": { "local": "2026-10-21T06:26:35+05:30", "utc": "2026-10-21T00:56:35Z", "ms": 1792544195347.0815 }, "end": { "local": "2026-10-21T06:26:35+05:30", "utc": "2026-10-21T00:56:35Z", "ms": 1792544195347.0815 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-10-22", "window": { "start": { "local": "2026-10-22T06:27:03+05:30", "utc": "2026-10-22T00:57:03Z", "ms": 1792630623365.5479 }, "end": { "local": "2026-10-22T06:27:03+05:30", "utc": "2026-10-22T00:57:03Z", "ms": 1792630623365.5479 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:12 on Wed 21 Oct to 14:49 on Thu 22 Oct.", "fact": "2026-10-21T08:42:23Z → 2026-10-22T09:18:35Z" }, { "step": "kaala", "text": "Sunrise is at 06:27 on the 21st and 06:27 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27947 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Ujjain, 2026: Thursday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-10-22", "confidence": "determinate" } ], "quote": "In Ujjain, Pāśāṅkuśā Ekādaśī 2026 falls on Thursday 22 October. Ekādaśī runs from 14:12 on Wed 21 Oct to 14:49 on Thu 22 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-10-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/pradosha-vrata?on=2026-10-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11895, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-10-23T14:36:26+05:30", "utc": "2026-10-23T09:06:26Z", "ms": 1792746386317.4895 }, "end": { "local": "2026-10-24T13:37:24+05:30", "utc": "2026-10-24T08:07:24Z", "ms": 1792829244118.2322 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2026-10-23T14:36:26+05:30", "utc": "2026-10-23T09:06:26Z", "ms": 1792746386317.4895 }, "end": { "local": "2026-10-24T13:37:24+05:30", "utc": "2026-10-24T08:07:24Z", "ms": 1792829244118.2322 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-10-23", "window": { "start": { "local": "2026-10-23T17:54:41+05:30", "utc": "2026-10-23T12:24:41Z", "ms": 1792758281314.412 }, "end": { "local": "2026-10-23T19:35:08+05:30", "utc": "2026-10-23T14:05:08Z", "ms": 1792764307908.3765 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2026-10-24", "window": { "start": { "local": "2026-10-24T17:53:56+05:30", "utc": "2026-10-24T12:23:56Z", "ms": 1792844636228.35 }, "end": { "local": "2026-10-24T19:34:33+05:30", "utc": "2026-10-24T14:04:33Z", "ms": 1792850672753.8347 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:36 on Fri 23 Oct to 13:37 on Sat 24 Oct.", "fact": "2026-10-23T09:06:26Z → 2026-10-24T08:07:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:55–19:35 on the 23rd, 17:54–19:35 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 100 of 100 minutes on the 23rd and 0 of 101 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11895 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2026: Friday 23 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-10-23", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2026 falls on Friday 23 October. Trayodaśī runs from 14:36 on Fri 23 Oct to 13:37 on Sat 24 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-10-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5732, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-10-29T01:07:14+05:30", "utc": "2026-10-28T19:37:14Z", "ms": 1793216234047.5676 }, "end": { "local": "2026-10-29T22:10:39+05:30", "utc": "2026-10-29T16:40:39Z", "ms": 1793292038877.575 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-10-29T01:07:14+05:30", "utc": "2026-10-28T19:37:14Z", "ms": 1793216234047.5676 }, "end": { "local": "2026-10-29T22:10:39+05:30", "utc": "2026-10-29T16:40:39Z", "ms": 1793292038877.575 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-10-28", "window": { "start": { "local": "2026-10-28T19:33:33+05:30", "utc": "2026-10-28T14:03:33Z", "ms": 1793196212611.4314 }, "end": { "local": "2026-10-28T19:33:33+05:30", "utc": "2026-10-28T14:03:33Z", "ms": 1793196212611.4314 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-10-29", "window": { "start": { "local": "2026-10-29T20:35:07+05:30", "utc": "2026-10-29T15:05:07Z", "ms": 1793286306657.9456 }, "end": { "local": "2026-10-29T20:35:07+05:30", "utc": "2026-10-29T15:05:07Z", "ms": 1793286306657.9456 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:07 on Thu 29 Oct to 22:11 on Thu 29 Oct.", "fact": "2026-10-28T19:37:14Z → 2026-10-29T16:40:39Z" }, { "step": "kaala", "text": "Moonrise is at 19:34 on the 28th and 20:35 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5732 s" }, { "step": "ruling", "text": "Karaka Caturthī, Ujjain, 2026: Thursday 29 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": "2026-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-10-29", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-10-29" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Karaka Caturthī (Karwa Chauth) 2026 falls on Thursday 29 October. Caturthī runs from 01:07 on Thu 29 Oct to 22:11 on Thu 29 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/sankashta-chaturthi?on=2026-10-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5732, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-10-29T01:07:14+05:30", "utc": "2026-10-28T19:37:14Z", "ms": 1793216234047.5676 }, "end": { "local": "2026-10-29T22:10:39+05:30", "utc": "2026-10-29T16:40:39Z", "ms": 1793292038877.575 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-10-29T01:07:14+05:30", "utc": "2026-10-28T19:37:14Z", "ms": 1793216234047.5676 }, "end": { "local": "2026-10-29T22:10:39+05:30", "utc": "2026-10-29T16:40:39Z", "ms": 1793292038877.575 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-10-28", "window": { "start": { "local": "2026-10-28T19:33:33+05:30", "utc": "2026-10-28T14:03:33Z", "ms": 1793196212611.4314 }, "end": { "local": "2026-10-28T19:33:33+05:30", "utc": "2026-10-28T14:03:33Z", "ms": 1793196212611.4314 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-10-29", "window": { "start": { "local": "2026-10-29T20:35:07+05:30", "utc": "2026-10-29T15:05:07Z", "ms": 1793286306657.9456 }, "end": { "local": "2026-10-29T20:35:07+05:30", "utc": "2026-10-29T15:05:07Z", "ms": 1793286306657.9456 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:07 on Thu 29 Oct to 22:11 on Thu 29 Oct.", "fact": "2026-10-28T19:37:14Z → 2026-10-29T16:40:39Z" }, { "step": "kaala", "text": "Moonrise is at 19:34 on the 28th and 20:35 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5732 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2026: Thursday 29 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": "2026-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-10-29", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2026 falls on Thursday 29 October. Caturthī runs from 01:07 on Thu 29 Oct to 22:11 on Thu 29 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/sankashta-chaturthi?on=2026-10-29", "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/2026/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32496, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2026-11-01T14:52:11+05:30", "utc": "2026-11-01T09:22:11Z", "ms": 1793524930789.0215 }, "end": { "local": "2026-11-02T13:11:00+05:30", "utc": "2026-11-02T07:41:00Z", "ms": 1793605260202.385 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-01T14:52:11+05:30", "utc": "2026-11-01T09:22:11Z", "ms": 1793524930789.0215 }, "end": { "local": "2026-11-02T13:11:00+05:30", "utc": "2026-11-02T07:41:00Z", "ms": 1793605260202.385 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-11-01", "window": { "start": { "local": "2026-11-01T23:53:47+05:30", "utc": "2026-11-01T18:23:47Z", "ms": 1793557427021.5637 }, "end": { "local": "2026-11-01T23:53:47+05:30", "utc": "2026-11-01T18:23:47Z", "ms": 1793557427021.5637 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-11-02", "window": { "start": { "local": "2026-11-03T00:55:52+05:30", "utc": "2026-11-02T19:25:52Z", "ms": 1793647551948.682 }, "end": { "local": "2026-11-03T00:55:52+05:30", "utc": "2026-11-02T19:25:52Z", "ms": 1793647551948.682 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 14:52 on Sun 1 Nov to 13:11 on Mon 2 Nov.", "fact": "2026-11-01T09:22:11Z → 2026-11-02T07:41:00Z" }, { "step": "kaala", "text": "Moonrise is at 23:54 on the 1st and 00:56 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32496 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Ujjain, 2026: Sunday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-01", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-11-01" ], "statement": "Monthly list, November 2026", "source_url": "https://packolkata.imd.gov.in/festival.php?pg=9", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Ahoyī Aṣṭamī (Ahoi Ashtami) 2026 falls on Sunday 1 November. Aṣṭamī runs from 14:52 on Sun 1 Nov to 13:11 on Mon 2 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ekadashi?on=2026-11-05", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14503, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-11-04T11:03:47+05:30", "utc": "2026-11-04T05:33:47Z", "ms": 1793770427041.0005 }, "end": { "local": "2026-11-05T10:36:09+05:30", "utc": "2026-11-05T05:06:09Z", "ms": 1793855169017.3486 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-04T11:03:47+05:30", "utc": "2026-11-04T05:33:47Z", "ms": 1793770427041.0005 }, "end": { "local": "2026-11-05T10:36:09+05:30", "utc": "2026-11-05T05:06:09Z", "ms": 1793855169017.3486 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-11-04", "window": { "start": { "local": "2026-11-04T06:33:51+05:30", "utc": "2026-11-04T01:03:51Z", "ms": 1793754231262.1746 }, "end": { "local": "2026-11-04T06:33:51+05:30", "utc": "2026-11-04T01:03:51Z", "ms": 1793754231262.1746 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-11-05", "window": { "start": { "local": "2026-11-05T06:34:26+05:30", "utc": "2026-11-05T01:04:26Z", "ms": 1793840666100.158 }, "end": { "local": "2026-11-05T06:34:26+05:30", "utc": "2026-11-05T01:04:26Z", "ms": 1793840666100.158 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:04 on Wed 4 Nov to 10:36 on Thu 5 Nov.", "fact": "2026-11-04T05:33:47Z → 2026-11-05T05:06:09Z" }, { "step": "kaala", "text": "Sunrise is at 06:34 on the 4th and 06:34 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14503 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Ujjain, 2026: Thursday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-05", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-11-05" ], "statement": "Monthly list, November 2026", "source_url": "https://packolkata.imd.gov.in/festival.php?pg=9", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Ramā Ekādaśī 2026 falls on Thursday 5 November. Ekādaśī runs from 11:04 on Wed 4 Nov to 10:36 on Thu 5 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-11-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25806, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2026-11-05T10:36:09+05:30", "utc": "2026-11-05T05:06:09Z", "ms": 1793855169017.3486 }, "end": { "local": "2026-11-06T10:31:09+05:30", "utc": "2026-11-06T05:01:09Z", "ms": 1793941268785.397 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-05T10:36:09+05:30", "utc": "2026-11-05T05:06:09Z", "ms": 1793855169017.3486 }, "end": { "local": "2026-11-06T10:31:09+05:30", "utc": "2026-11-06T05:01:09Z", "ms": 1793941268785.397 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-11-05", "window": { "start": { "local": "2026-11-05T17:46:15+05:30", "utc": "2026-11-05T12:16:15Z", "ms": 1793880975162.9475 }, "end": { "local": "2026-11-05T19:28:45+05:30", "utc": "2026-11-05T13:58:45Z", "ms": 1793887125329.4326 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2026-11-06", "window": { "start": { "local": "2026-11-06T17:45:44+05:30", "utc": "2026-11-06T12:15:44Z", "ms": 1793967344162.009 }, "end": { "local": "2026-11-06T19:28:23+05:30", "utc": "2026-11-06T13:58:23Z", "ms": 1793973503231.6946 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 10:36 on Thu 5 Nov to 10:31 on Fri 6 Nov.", "fact": "2026-11-05T05:06:09Z → 2026-11-06T05:01:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:46–19:29 on the 5th, 17:46–19:28 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 5th and 0 of 103 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25806 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Ujjain, 2026: Thursday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-05", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-11-05" ], "statement": "Monthly list, November 2026", "source_url": "https://packolkata.imd.gov.in/festival.php?pg=9", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Govatsa Dvādaśī (Vasu Baras) 2026 falls on Thursday 5 November. Dvādaśī runs from 10:36 on Thu 5 Nov to 10:31 on Fri 6 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25010, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-11-06T10:31:09+05:30", "utc": "2026-11-06T05:01:09Z", "ms": 1793941268785.397 }, "end": { "local": "2026-11-07T10:48:24+05:30", "utc": "2026-11-07T05:18:24Z", "ms": 1794028704363.944 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-06T10:31:09+05:30", "utc": "2026-11-06T05:01:09Z", "ms": 1793941268785.397 }, "end": { "local": "2026-11-07T10:48:24+05:30", "utc": "2026-11-07T05:18:24Z", "ms": 1794028704363.944 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-11-06", "window": { "start": { "local": "2026-11-06T17:45:44+05:30", "utc": "2026-11-06T12:15:44Z", "ms": 1793967344162.009 }, "end": { "local": "2026-11-06T19:28:23+05:30", "utc": "2026-11-06T13:58:23Z", "ms": 1793973503231.6946 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2026-11-07", "window": { "start": { "local": "2026-11-07T17:45:14+05:30", "utc": "2026-11-07T12:15:14Z", "ms": 1794053714399.522 }, "end": { "local": "2026-11-07T19:28:02+05:30", "utc": "2026-11-07T13:58:02Z", "ms": 1794059882267.0505 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:31 on Fri 6 Nov to 10:48 on Sat 7 Nov.", "fact": "2026-11-06T05:01:09Z → 2026-11-07T05:18:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:46–19:28 on the 6th, 17:45–19:28 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 6th and 0 of 103 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25010 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Ujjain, 2026: Friday 6 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-06", "confidence": "determinate" } ], "quote": "In Ujjain, Yama Dīpadāna 2026 falls on Friday 6 November. Trayodaśī runs from 10:31 on Fri 6 Nov to 10:48 on Sat 7 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/pradosha-vrata?on=2026-11-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25010, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-11-06T10:31:09+05:30", "utc": "2026-11-06T05:01:09Z", "ms": 1793941268785.397 }, "end": { "local": "2026-11-07T10:48:24+05:30", "utc": "2026-11-07T05:18:24Z", "ms": 1794028704363.944 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-06T10:31:09+05:30", "utc": "2026-11-06T05:01:09Z", "ms": 1793941268785.397 }, "end": { "local": "2026-11-07T10:48:24+05:30", "utc": "2026-11-07T05:18:24Z", "ms": 1794028704363.944 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-11-06", "window": { "start": { "local": "2026-11-06T17:45:44+05:30", "utc": "2026-11-06T12:15:44Z", "ms": 1793967344162.009 }, "end": { "local": "2026-11-06T19:28:23+05:30", "utc": "2026-11-06T13:58:23Z", "ms": 1793973503231.6946 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2026-11-07", "window": { "start": { "local": "2026-11-07T17:45:14+05:30", "utc": "2026-11-07T12:15:14Z", "ms": 1794053714399.522 }, "end": { "local": "2026-11-07T19:28:02+05:30", "utc": "2026-11-07T13:58:02Z", "ms": 1794059882267.0505 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:31 on Fri 6 Nov to 10:48 on Sat 7 Nov.", "fact": "2026-11-06T05:01:09Z → 2026-11-07T05:18:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:46–19:28 on the 6th, 17:45–19:28 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 6th and 0 of 103 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25010 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2026: Friday 6 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": "2026-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-06", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2026 falls on Friday 6 November. Trayodaśī runs from 10:31 on Fri 6 Nov to 10:48 on Sat 7 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-11-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/shivaratri?on=2026-11-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36824, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2026-11-07T10:48:24+05:30", "utc": "2026-11-07T05:18:24Z", "ms": 1794028704363.944 }, "end": { "local": "2026-11-08T11:28:23+05:30", "utc": "2026-11-08T05:58:23Z", "ms": 1794117502801.4229 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-07T10:48:24+05:30", "utc": "2026-11-07T05:18:24Z", "ms": 1794028704363.944 }, "end": { "local": "2026-11-08T11:28:23+05:30", "utc": "2026-11-08T05:58:23Z", "ms": 1794117502801.4229 } }, "kaala": "nishita", "days": [ { "local_date": "2026-11-06", "window": { "start": { "local": "2026-11-06T23:46:41+05:30", "utc": "2026-11-06T18:16:41Z", "ms": 1793989000673.3296 }, "end": { "local": "2026-11-07T00:34:41+05:30", "utc": "2026-11-06T19:04:41Z", "ms": 1793991880673.3296 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-11-07", "window": { "start": { "local": "2026-11-07T23:46:44+05:30", "utc": "2026-11-07T18:16:44Z", "ms": 1794075403902.7542 }, "end": { "local": "2026-11-08T00:34:44+05:30", "utc": "2026-11-07T19:04:44Z", "ms": 1794078283902.7542 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:48 on Sat 7 Nov to 11:28 on Sun 8 Nov.", "fact": "2026-11-07T05:18:24Z → 2026-11-08T05:58:23Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 6th, 23:47–00:35 on the 7th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36824 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2026: Saturday 7 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-07", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2026 falls on Saturday 7 November. Caturdaśī runs from 10:48 on Sat 7 Nov to 11:28 on Sun 8 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2026/shivaratri?on=2026-11-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15167, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2026-11-07T10:48:24+05:30", "utc": "2026-11-07T05:18:24Z", "ms": 1794028704363.944 }, "end": { "local": "2026-11-08T11:28:23+05:30", "utc": "2026-11-08T05:58:23Z", "ms": 1794117502801.4229 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-07T10:48:24+05:30", "utc": "2026-11-07T05:18:24Z", "ms": 1794028704363.944 }, "end": { "local": "2026-11-08T11:28:23+05:30", "utc": "2026-11-08T05:58:23Z", "ms": 1794117502801.4229 } }, "kaala": "arunodaya", "days": [ { "local_date": "2026-11-07", "window": { "start": { "local": "2026-11-07T04:52:58+05:30", "utc": "2026-11-06T23:22:58Z", "ms": 1794007378114.9646 }, "end": { "local": "2026-11-07T06:35:37+05:30", "utc": "2026-11-07T01:05:37Z", "ms": 1794013537184.6501 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2026-11-08", "window": { "start": { "local": "2026-11-08T04:53:26+05:30", "utc": "2026-11-07T23:23:26Z", "ms": 1794093805538.4578 }, "end": { "local": "2026-11-08T06:36:13+05:30", "utc": "2026-11-08T01:06:13Z", "ms": 1794099973405.9863 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:48 on Sat 7 Nov to 11:28 on Sun 8 Nov.", "fact": "2026-11-07T05:18:24Z → 2026-11-08T05:58:23Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:53–06:36 on the 7th, 04:53–06:36 on the 8th.", "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 7th and 103 of 103 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15167 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Ujjain, 2026: Sunday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-08", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-11-08" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Naraka Caturdaśī (Choti Diwali) 2026 falls on Sunday 8 November. Caturdaśī runs from 10:48 on Sat 7 Nov to 11:28 on Sun 8 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18732, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2026-11-08T11:28:23+05:30", "utc": "2026-11-08T05:58:23Z", "ms": 1794117502801.4229 }, "end": { "local": "2026-11-09T12:32:07+05:30", "utc": "2026-11-09T07:02:07Z", "ms": 1794207726919.1619 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-08T11:28:23+05:30", "utc": "2026-11-08T05:58:23Z", "ms": 1794117502801.4229 }, "end": { "local": "2026-11-09T12:32:07+05:30", "utc": "2026-11-09T07:02:07Z", "ms": 1794207726919.1619 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-11-08", "window": { "start": { "local": "2026-11-08T17:44:46+05:30", "utc": "2026-11-08T12:14:46Z", "ms": 1794140085891.6707 }, "end": { "local": "2026-11-08T19:27:42+05:30", "utc": "2026-11-08T13:57:42Z", "ms": 1794146262447.5579 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2026-11-09", "window": { "start": { "local": "2026-11-09T17:44:19+05:30", "utc": "2026-11-09T12:14:19Z", "ms": 1794226458653.7734 }, "end": { "local": "2026-11-09T19:27:24+05:30", "utc": "2026-11-09T13:57:24Z", "ms": 1794232643784.3545 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 11:28 on Sun 8 Nov to 12:32 on Mon 9 Nov.", "fact": "2026-11-08T05:58:23Z → 2026-11-09T07:02:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:45–19:28 on the 8th, 17:44–19:27 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 103 of 103 minutes on the 8th and 0 of 103 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18732 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Ujjain, 2026: Sunday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-08", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "google-calendar-in", "name": "Google Calendar" }, "local_dates": [ "2026-11-08" ], "statement": "Holidays in India feed", "source_url": "https://calendar.google.com/calendar/ical/en.indian%23holiday%40group.v.calendar.google.com/public/basic.ics", "captured_at": "2026-09-11" }, { "kind": "institution", "institution": { "id": "apple-icloud-in", "name": "Apple iCloud" }, "local_dates": [ "2026-11-08", "2026-11-09" ], "statement": "India Holidays feed, listed twice", "source_url": "https://calendars.icloud.com/holidays/in_en-in.ics", "captured_at": "2026-09-11" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-11-08" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Lakṣmī Pūjā (Diwali) 2026 falls on Sunday 8 November. Amāvasyā runs from 11:28 on Sun 8 Nov to 12:32 on Mon 9 Nov and covers all of pradoṣa that evening. Apple iCloud recorded 8 November and 9 November (India Holidays feed, listed twice).", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39219, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2026-11-08T11:28:23+05:30", "utc": "2026-11-08T05:58:23Z", "ms": 1794117502801.4229 }, "end": { "local": "2026-11-09T12:32:07+05:30", "utc": "2026-11-09T07:02:07Z", "ms": 1794207726919.1619 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-08T11:28:23+05:30", "utc": "2026-11-08T05:58:23Z", "ms": 1794117502801.4229 }, "end": { "local": "2026-11-09T12:32:07+05:30", "utc": "2026-11-09T07:02:07Z", "ms": 1794207726919.1619 } }, "kaala": "nishita", "days": [ { "local_date": "2026-11-07", "window": { "start": { "local": "2026-11-07T23:46:44+05:30", "utc": "2026-11-07T18:16:44Z", "ms": 1794075403902.7542 }, "end": { "local": "2026-11-08T00:34:44+05:30", "utc": "2026-11-07T19:04:44Z", "ms": 1794078283902.7542 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-11-08", "window": { "start": { "local": "2026-11-08T23:46:48+05:30", "utc": "2026-11-08T18:16:48Z", "ms": 1794161807976.2476 }, "end": { "local": "2026-11-09T00:34:48+05:30", "utc": "2026-11-08T19:04:48Z", "ms": 1794164687976.2476 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 11:28 on Sun 8 Nov to 12:32 on Mon 9 Nov.", "fact": "2026-11-08T05:58:23Z → 2026-11-09T07:02:07Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 7th, 23:47–00:35 on the 8th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 39219 s" }, { "step": "ruling", "text": "Kālī Pūjā, Ujjain, 2026: Sunday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-08", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-11-08" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Kālī Pūjā 2026 falls on Sunday 8 November. Amāvasyā runs from 11:28 on Sun 8 Nov to 12:32 on Mon 9 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-09", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 147, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2026-11-09T12:32:07+05:30", "utc": "2026-11-09T07:02:07Z", "ms": 1794207726919.1619 }, "end": { "local": "2026-11-10T14:00:37+05:30", "utc": "2026-11-10T08:30:37Z", "ms": 1794299437294.2795 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-09T12:32:07+05:30", "utc": "2026-11-09T07:02:07Z", "ms": 1794207726919.1619 }, "end": { "local": "2026-11-10T14:00:37+05:30", "utc": "2026-11-10T08:30:37Z", "ms": 1794299437294.2795 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-11-09", "window": { "start": { "local": "2026-11-09T11:46:34+05:30", "utc": "2026-11-09T06:16:34Z", "ms": 1794204994357.299 }, "end": { "local": "2026-11-09T12:34:34+05:30", "utc": "2026-11-09T07:04:34Z", "ms": 1794207874357.299 } }, "covered_min": 2, "window_min": 48, "qualifies": true }, { "local_date": "2026-11-10", "window": { "start": { "local": "2026-11-10T11:46:40+05:30", "utc": "2026-11-10T06:16:40Z", "ms": 1794291399916.7783 }, "end": { "local": "2026-11-10T12:34:40+05:30", "utc": "2026-11-10T07:04:40Z", "ms": 1794294279916.7783 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 12:32 on Mon 9 Nov to 14:01 on Tue 10 Nov.", "fact": "2026-11-09T07:02:07Z → 2026-11-10T08:30:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 9th, 11:47–12:35 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 2 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 147 s < 300 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Ujjain, 2026: Monday 9 November.", "fact": "confidence: boundary (margin)" } ], "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": "2026-11-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-09", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-11-09" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Govardhana Pūjā 2026 falls on Monday 9 November. Pratipadā runs from 12:32 on Mon 9 Nov to 14:01 on Tue 10 Nov and covers 2 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken. It is 2 min 27 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13395, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2026-11-09T12:32:07+05:30", "utc": "2026-11-09T07:02:07Z", "ms": 1794207726919.1619 }, "end": { "local": "2026-11-10T14:00:37+05:30", "utc": "2026-11-10T08:30:37Z", "ms": 1794299437294.2795 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-09T12:32:07+05:30", "utc": "2026-11-09T07:02:07Z", "ms": 1794207726919.1619 }, "end": { "local": "2026-11-10T14:00:37+05:30", "utc": "2026-11-10T08:30:37Z", "ms": 1794299437294.2795 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-11-09", "window": { "start": { "local": "2026-11-09T17:44:19+05:30", "utc": "2026-11-09T12:14:19Z", "ms": 1794226458653.7734 }, "end": { "local": "2026-11-09T19:27:24+05:30", "utc": "2026-11-09T13:57:24Z", "ms": 1794232643784.3545 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2026-11-10", "window": { "start": { "local": "2026-11-10T17:43:53+05:30", "utc": "2026-11-10T12:13:53Z", "ms": 1794312832700.426 }, "end": { "local": "2026-11-10T19:27:06+05:30", "utc": "2026-11-10T13:57:06Z", "ms": 1794319026287.8032 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 12:32 on Mon 9 Nov to 14:01 on Tue 10 Nov.", "fact": "2026-11-09T07:02:07Z → 2026-11-10T08:30:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:44–19:27 on the 9th, 17:44–19:27 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 103 of 103 minutes on the 9th and 0 of 103 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13395 s" }, { "step": "ruling", "text": "Bali Pūjā, Ujjain, 2026: Monday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-09", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-11-09" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Bali Pūjā 2026 falls on Monday 9 November. Pratipadā runs from 12:32 on Mon 9 Nov to 14:01 on Tue 10 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7967, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2026-11-09T12:32:07+05:30", "utc": "2026-11-09T07:02:07Z", "ms": 1794207726919.1619 }, "end": { "local": "2026-11-10T14:00:37+05:30", "utc": "2026-11-10T08:30:37Z", "ms": 1794299437294.2795 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-09T12:32:07+05:30", "utc": "2026-11-09T07:02:07Z", "ms": 1794207726919.1619 }, "end": { "local": "2026-11-10T14:00:37+05:30", "utc": "2026-11-10T08:30:37Z", "ms": 1794299437294.2795 } }, "kaala": "purvahna", "days": [ { "local_date": "2026-11-09", "window": { "start": { "local": "2026-11-09T06:36:50+05:30", "utc": "2026-11-09T01:06:50Z", "ms": 1794186410060.8247 }, "end": { "local": "2026-11-09T10:19:20+05:30", "utc": "2026-11-09T04:49:20Z", "ms": 1794199759591.8076 } }, "covered_min": 0, "window_min": 222, "qualifies": false }, { "local_date": "2026-11-10", "window": { "start": { "local": "2026-11-10T06:37:27+05:30", "utc": "2026-11-10T01:07:27Z", "ms": 1794272847133.1309 }, "end": { "local": "2026-11-10T10:19:36+05:30", "utc": "2026-11-10T04:49:36Z", "ms": 1794286175655.5625 } }, "covered_min": 222, "window_min": 222, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 12:32 on Mon 9 Nov to 14:01 on Tue 10 Nov.", "fact": "2026-11-09T07:02:07Z → 2026-11-10T08:30:37Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:37–10:19 on the 9th, 06:37–10:20 on the 10th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 222 minutes on the 9th and 222 of 222 on the 10th.", "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 7967 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Ujjain, 2026: Tuesday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-10", "confidence": "determinate" } ], "quote": "In Ujjain, Dyūta Pratipad 2026 falls on Tuesday 10 November. Pratipadā runs from 12:32 on Mon 9 Nov to 14:01 on Tue 10 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5157, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2026-11-10T14:00:37+05:30", "utc": "2026-11-10T08:30:37Z", "ms": 1794299437294.2795 }, "end": { "local": "2026-11-11T15:53:54+05:30", "utc": "2026-11-11T10:23:54Z", "ms": 1794392634162.7493 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-10T14:00:37+05:30", "utc": "2026-11-10T08:30:37Z", "ms": 1794299437294.2795 }, "end": { "local": "2026-11-11T15:53:54+05:30", "utc": "2026-11-11T10:23:54Z", "ms": 1794392634162.7493 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-11-10", "window": { "start": { "local": "2026-11-10T11:46:40+05:30", "utc": "2026-11-10T06:16:40Z", "ms": 1794291399916.7783 }, "end": { "local": "2026-11-10T12:34:40+05:30", "utc": "2026-11-10T07:04:40Z", "ms": 1794294279916.7783 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-11-11", "window": { "start": { "local": "2026-11-11T11:46:46+05:30", "utc": "2026-11-11T06:16:46Z", "ms": 1794377806325.685 }, "end": { "local": "2026-11-11T12:34:46+05:30", "utc": "2026-11-11T07:04:46Z", "ms": 1794380686325.685 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 14:01 on Tue 10 Nov to 15:54 on Wed 11 Nov.", "fact": "2026-11-10T08:30:37Z → 2026-11-11T10:23:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 10th, 11:47–12:35 on the 11th.", "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 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5157 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Ujjain, 2026: Wednesday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-11", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-11-11" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Yama Dvitīyā (Bhai Dooj) 2026 falls on Wednesday 11 November. Dvitīyā runs from 14:01 on Tue 10 Nov to 15:54 on Wed 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20095, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-11-12T18:09:49+05:30", "utc": "2026-11-12T12:39:49Z", "ms": 1794487188966.902 }, "end": { "local": "2026-11-13T20:43:02+05:30", "utc": "2026-11-13T15:13:02Z", "ms": 1794582781902.6218 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-12T18:09:49+05:30", "utc": "2026-11-12T12:39:49Z", "ms": 1794487188966.902 }, "end": { "local": "2026-11-13T20:43:02+05:30", "utc": "2026-11-13T15:13:02Z", "ms": 1794582781902.6218 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-11-12", "window": { "start": { "local": "2026-11-12T11:46:54+05:30", "utc": "2026-11-12T06:16:54Z", "ms": 1794464213581.6765 }, "end": { "local": "2026-11-12T12:34:54+05:30", "utc": "2026-11-12T07:04:54Z", "ms": 1794467093581.6765 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-11-13", "window": { "start": { "local": "2026-11-13T11:47:02+05:30", "utc": "2026-11-13T06:17:02Z", "ms": 1794550621681.7168 }, "end": { "local": "2026-11-13T12:35:02+05:30", "utc": "2026-11-13T07:05:02Z", "ms": 1794553501681.7168 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:10 on Thu 12 Nov to 20:43 on Fri 13 Nov.", "fact": "2026-11-12T12:39:49Z → 2026-11-13T15:13:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 12th, 11:47–12:35 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20095 s" }, { "step": "ruling", "text": "Nāga Caturthī, Ujjain, 2026: Friday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-13", "confidence": "determinate" } ], "quote": "In Ujjain, Nāga Caturthī 2026 falls on Friday 13 November. Caturthī runs from 18:10 on Thu 12 Nov to 20:43 on Fri 13 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/vinayaka-chaturthi?on=2026-11-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20095, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-11-12T18:09:49+05:30", "utc": "2026-11-12T12:39:49Z", "ms": 1794487188966.902 }, "end": { "local": "2026-11-13T20:43:02+05:30", "utc": "2026-11-13T15:13:02Z", "ms": 1794582781902.6218 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-12T18:09:49+05:30", "utc": "2026-11-12T12:39:49Z", "ms": 1794487188966.902 }, "end": { "local": "2026-11-13T20:43:02+05:30", "utc": "2026-11-13T15:13:02Z", "ms": 1794582781902.6218 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-11-12", "window": { "start": { "local": "2026-11-12T11:46:54+05:30", "utc": "2026-11-12T06:16:54Z", "ms": 1794464213581.6765 }, "end": { "local": "2026-11-12T12:34:54+05:30", "utc": "2026-11-12T07:04:54Z", "ms": 1794467093581.6765 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-11-13", "window": { "start": { "local": "2026-11-13T11:47:02+05:30", "utc": "2026-11-13T06:17:02Z", "ms": 1794550621681.7168 }, "end": { "local": "2026-11-13T12:35:02+05:30", "utc": "2026-11-13T07:05:02Z", "ms": 1794553501681.7168 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:10 on Thu 12 Nov to 20:43 on Fri 13 Nov.", "fact": "2026-11-12T12:39:49Z → 2026-11-13T15:13:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 12th, 11:47–12:35 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20095 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2026: Friday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-13", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2026 falls on Friday 13 November. Caturthī runs from 18:10 on Thu 12 Nov to 20:43 on Fri 13 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/vinayaka-chaturthi?on=2026-11-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35151, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2026-11-14T23:24:29+05:30", "utc": "2026-11-14T17:54:29Z", "ms": 1794678868607.2334 }, "end": { "local": "2026-11-16T02:01:40+05:30", "utc": "2026-11-15T20:31:40Z", "ms": 1794774700164.9734 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-14T23:24:29+05:30", "utc": "2026-11-14T17:54:29Z", "ms": 1794678868607.2334 }, "end": { "local": "2026-11-16T02:01:40+05:30", "utc": "2026-11-15T20:31:40Z", "ms": 1794774700164.9734 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-11-15", "window": { "start": { "local": "2026-11-15T11:47:20+05:30", "utc": "2026-11-15T06:17:20Z", "ms": 1794723440398.5364 }, "end": { "local": "2026-11-15T12:35:20+05:30", "utc": "2026-11-15T07:05:20Z", "ms": 1794726320398.5364 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-11-16", "window": { "start": { "local": "2026-11-16T11:47:31+05:30", "utc": "2026-11-16T06:17:31Z", "ms": 1794809851006.024 }, "end": { "local": "2026-11-16T12:35:31+05:30", "utc": "2026-11-16T07:05:31Z", "ms": 1794812731006.024 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 23:24 on Sat 14 Nov to 02:02 on Mon 16 Nov.", "fact": "2026-11-14T17:54:29Z → 2026-11-15T20:31:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 15th, 11:48–12:36 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35151 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Ujjain, 2026: Sunday 15 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": "2026-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-15", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-11-15" ], "statement": "Principal festivals, 2026-27", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Sūrya Ṣaṣṭhī (Chhath) 2026 falls on Sunday 15 November. Ṣaṣṭhī runs from 23:24 on Sat 14 Nov to 02:02 on Mon 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20535, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2026-11-17T04:20:08+05:30", "utc": "2026-11-16T22:50:08Z", "ms": 1794869408156.4695 }, "end": { "local": "2026-11-18T06:05:40+05:30", "utc": "2026-11-18T00:35:40Z", "ms": 1794962139960.0657 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-17T04:20:08+05:30", "utc": "2026-11-16T22:50:08Z", "ms": 1794869408156.4695 }, "end": { "local": "2026-11-18T06:05:40+05:30", "utc": "2026-11-18T00:35:40Z", "ms": 1794962139960.0657 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-11-17", "window": { "start": { "local": "2026-11-17T11:47:42+05:30", "utc": "2026-11-17T06:17:42Z", "ms": 1794896262439.0068 }, "end": { "local": "2026-11-17T12:35:42+05:30", "utc": "2026-11-17T07:05:42Z", "ms": 1794899142439.0068 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-11-18", "window": { "start": { "local": "2026-11-18T11:47:55+05:30", "utc": "2026-11-18T06:17:55Z", "ms": 1794982674691.3496 }, "end": { "local": "2026-11-18T12:35:55+05:30", "utc": "2026-11-18T07:05:55Z", "ms": 1794985554691.3496 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:20 on Tue 17 Nov to 06:06 on Wed 18 Nov.", "fact": "2026-11-16T22:50:08Z → 2026-11-18T00:35:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 17th, 11:48–12:36 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20535 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Ujjain, 2026: Tuesday 17 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": "2026-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-17", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-11-17" ], "statement": "Monthly list, November 2026", "source_url": "https://packolkata.imd.gov.in/festival.php?pg=9", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Gopāṣṭamī 2026 falls on Tuesday 17 November. Aṣṭamī runs from 04:20 on Tue 17 Nov to 06:06 on Wed 18 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-18", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1407, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2026-11-18T06:05:40+05:30", "utc": "2026-11-18T00:35:40Z", "ms": 1794962139960.0657 }, "end": { "local": "2026-11-19T07:06:43+05:30", "utc": "2026-11-19T01:36:43Z", "ms": 1795052202979.0405 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-18T06:05:40+05:30", "utc": "2026-11-18T00:35:40Z", "ms": 1794962139960.0657 }, "end": { "local": "2026-11-19T07:06:43+05:30", "utc": "2026-11-19T01:36:43Z", "ms": 1795052202979.0405 } }, "kaala": "purvahna", "days": [ { "local_date": "2026-11-18", "window": { "start": { "local": "2026-11-18T06:42:36+05:30", "utc": "2026-11-18T01:12:36Z", "ms": 1794964356498.5698 }, "end": { "local": "2026-11-18T10:22:09+05:30", "utc": "2026-11-18T04:52:09Z", "ms": 1794977528627.0898 } }, "covered_min": 220, "window_min": 220, "qualifies": true }, { "local_date": "2026-11-19", "window": { "start": { "local": "2026-11-19T06:43:16+05:30", "utc": "2026-11-19T01:13:16Z", "ms": 1795050796455.7344 }, "end": { "local": "2026-11-19T10:22:31+05:30", "utc": "2026-11-19T04:52:31Z", "ms": 1795063950656.199 } }, "covered_min": 23, "window_min": 219, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Navamī runs from 06:06 on Wed 18 Nov to 07:07 on Thu 19 Nov.", "fact": "2026-11-18T00:35:40Z → 2026-11-19T01:36:43Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:43–10:22 on the 18th, 06:43–10:23 on the 19th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 220 of 220 minutes on the 18th and 23 of 219 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1407 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Ujjain, 2026: Wednesday 18 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-11-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-18", "confidence": "boundary" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-11-18" ], "statement": "Monthly list, November 2026", "source_url": "https://packolkata.imd.gov.in/festival.php?pg=9", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Akṣaya Navamī (Amla Navami) 2026 falls on Wednesday 18 November. Navamī runs from 06:06 on Wed 18 Nov to 07:07 on Thu 19 Nov and covers all of pūrvāhṇa that forenoon. It also reaches the next forenoon for 23 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/2026/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/2026/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16885, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2026-11-18T06:05:40+05:30", "utc": "2026-11-18T00:35:40Z", "ms": 1794962139960.0657 }, "end": { "local": "2026-11-19T07:06:43+05:30", "utc": "2026-11-19T01:36:43Z", "ms": 1795052202979.0405 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-18T06:05:40+05:30", "utc": "2026-11-18T00:35:40Z", "ms": 1794962139960.0657 }, "end": { "local": "2026-11-19T07:06:43+05:30", "utc": "2026-11-19T01:36:43Z", "ms": 1795052202979.0405 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-11-18", "window": { "start": { "local": "2026-11-18T11:47:55+05:30", "utc": "2026-11-18T06:17:55Z", "ms": 1794982674691.3496 }, "end": { "local": "2026-11-18T12:35:55+05:30", "utc": "2026-11-18T07:05:55Z", "ms": 1794985554691.3496 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-11-19", "window": { "start": { "local": "2026-11-19T11:48:08+05:30", "utc": "2026-11-19T06:18:08Z", "ms": 1795069087756.4312 }, "end": { "local": "2026-11-19T12:36:08+05:30", "utc": "2026-11-19T07:06:08Z", "ms": 1795071967756.4312 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 06:06 on Wed 18 Nov to 07:07 on Thu 19 Nov.", "fact": "2026-11-18T00:35:40Z → 2026-11-19T01:36:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 18th, 11:48–12:36 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16885 s" }, { "step": "ruling", "text": "Durgā Navamī, Ujjain, 2026: Wednesday 18 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": "2026-11-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-18", "confidence": "determinate" } ], "quote": "In Ujjain, Durgā Navamī 2026 falls on Wednesday 18 November. Navamī runs from 06:06 on Wed 18 Nov to 07:07 on Thu 19 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ekadashi?on=2026-11-20", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 755, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-11-20T07:16:10+05:30", "utc": "2026-11-20T01:46:10Z", "ms": 1795139170405.1528 }, "end": { "local": "2026-11-21T06:32:02+05:30", "utc": "2026-11-21T01:02:02Z", "ms": 1795222921530.9297 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-20T07:16:10+05:30", "utc": "2026-11-20T01:46:10Z", "ms": 1795139170405.1528 }, "end": { "local": "2026-11-21T06:32:02+05:30", "utc": "2026-11-21T01:02:02Z", "ms": 1795222921530.9297 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-11-20", "window": { "start": { "local": "2026-11-20T06:43:57+05:30", "utc": "2026-11-20T01:13:57Z", "ms": 1795137236624.0046 }, "end": { "local": "2026-11-20T06:43:57+05:30", "utc": "2026-11-20T01:13:57Z", "ms": 1795137236624.0046 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-11-21", "window": { "start": { "local": "2026-11-21T06:44:37+05:30", "utc": "2026-11-21T01:14:37Z", "ms": 1795223676980.0918 }, "end": { "local": "2026-11-21T06:44:37+05:30", "utc": "2026-11-21T01:14:37Z", "ms": 1795223676980.0918 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:16 on Fri 20 Nov to 06:32 on Sat 21 Nov.", "fact": "2026-11-20T01:46:10Z → 2026-11-21T01:02:02Z" }, { "step": "kaala", "text": "Sunrise is at 06:44 on the 20th and 06:45 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 20th and is not on the 21st.", "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 755 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Ujjain, 2026: Friday 20 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": "2026-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-20", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-11-20" ], "statement": "Monthly list, November 2026", "source_url": "https://packolkata.imd.gov.in/festival.php?pg=9", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Prabodhinī Ekādaśī 2026 falls on Friday 20 November. Ekādaśī runs from 07:16 on Fri 20 Nov to 06:32 on Sat 21 Nov, and is current at sunrise on neither day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-11-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/pradosha-vrata?on=2026-11-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25947, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-11-22T04:57:00+05:30", "utc": "2026-11-21T23:27:00Z", "ms": 1795303620417.1865 }, "end": { "local": "2026-11-23T02:37:37+05:30", "utc": "2026-11-22T21:07:37Z", "ms": 1795381656875.687 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-22T04:57:00+05:30", "utc": "2026-11-21T23:27:00Z", "ms": 1795303620417.1865 }, "end": { "local": "2026-11-23T02:37:37+05:30", "utc": "2026-11-22T21:07:37Z", "ms": 1795381656875.687 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-11-21", "window": { "start": { "local": "2026-11-21T17:40:36+05:30", "utc": "2026-11-21T12:10:36Z", "ms": 1795263035613.1907 }, "end": { "local": "2026-11-21T19:25:13+05:30", "utc": "2026-11-21T13:55:13Z", "ms": 1795269313198.2104 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "2026-11-22", "window": { "start": { "local": "2026-11-22T17:40:26+05:30", "utc": "2026-11-22T12:10:26Z", "ms": 1795349426013.6895 }, "end": { "local": "2026-11-22T19:25:10+05:30", "utc": "2026-11-22T13:55:10Z", "ms": 1795355710300.307 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:57 on Sun 22 Nov to 02:38 on Mon 23 Nov.", "fact": "2026-11-21T23:27:00Z → 2026-11-22T21:07:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:41–19:25 on the 21st, 17:40–19:25 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 105 minutes on the 21st and 105 of 105 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25947 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2026: Sunday 22 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-22", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2026 falls on Sunday 22 November. Trayodaśī runs from 04:57 on Sun 22 Nov to 02:38 on Mon 23 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-11-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 392, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2026-11-23T23:42:56+05:30", "utc": "2026-11-23T18:12:56Z", "ms": 1795457576021.4946 }, "end": { "local": "2026-11-24T20:23:34+05:30", "utc": "2026-11-24T14:53:34Z", "ms": 1795532013718.3413 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-23T23:42:56+05:30", "utc": "2026-11-23T18:12:56Z", "ms": 1795457576021.4946 }, "end": { "local": "2026-11-24T20:23:34+05:30", "utc": "2026-11-24T14:53:34Z", "ms": 1795532013718.3413 } }, "kaala": "nishita", "days": [ { "local_date": "2026-11-23", "window": { "start": { "local": "2026-11-23T23:49:28+05:30", "utc": "2026-11-23T18:19:28Z", "ms": 1795457968392.5107 }, "end": { "local": "2026-11-24T00:37:28+05:30", "utc": "2026-11-23T19:07:28Z", "ms": 1795460848392.5107 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2026-11-24", "window": { "start": { "local": "2026-11-24T23:49:45+05:30", "utc": "2026-11-24T18:19:45Z", "ms": 1795544385461.4863 }, "end": { "local": "2026-11-25T00:37:45+05:30", "utc": "2026-11-24T19:07:45Z", "ms": 1795547265461.4863 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:43 on Mon 23 Nov to 20:24 on Tue 24 Nov.", "fact": "2026-11-23T18:12:56Z → 2026-11-24T14:53:34Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:49–00:37 on the 23rd, 23:50–00:38 on the 24th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 392 s" }, { "step": "ruling", "text": "Rāsayātrā, Ujjain, 2026: Monday 23 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rasayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-23", "confidence": "boundary" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-11-23" ], "statement": "Monthly list, November 2026", "source_url": "https://packolkata.imd.gov.in/festival.php?pg=9", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Rāsayātrā 2026 falls on Monday 23 November. Pūrṇimā runs from 23:43 on Mon 23 Nov to 20:24 on Tue 24 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27969, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2026-11-23T23:42:56+05:30", "utc": "2026-11-23T18:12:56Z", "ms": 1795457576021.4946 }, "end": { "local": "2026-11-24T20:23:34+05:30", "utc": "2026-11-24T14:53:34Z", "ms": 1795532013718.3413 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2026-11-23T23:42:56+05:30", "utc": "2026-11-23T18:12:56Z", "ms": 1795457576021.4946 }, "end": { "local": "2026-11-24T20:23:34+05:30", "utc": "2026-11-24T14:53:34Z", "ms": 1795532013718.3413 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-11-23", "window": { "start": { "local": "2026-11-23T11:49:08+05:30", "utc": "2026-11-23T06:19:08Z", "ms": 1795414748001.8032 }, "end": { "local": "2026-11-23T12:37:08+05:30", "utc": "2026-11-23T07:07:08Z", "ms": 1795417628001.8032 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-11-24", "window": { "start": { "local": "2026-11-24T11:49:25+05:30", "utc": "2026-11-24T06:19:25Z", "ms": 1795501165022.8325 }, "end": { "local": "2026-11-24T12:37:25+05:30", "utc": "2026-11-24T07:07:25Z", "ms": 1795504045022.8325 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:43 on Mon 23 Nov to 20:24 on Tue 24 Nov.", "fact": "2026-11-23T18:12:56Z → 2026-11-24T14:53:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 23rd, 11:49–12:37 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27969 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Ujjain, 2026: Tuesday 24 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kartiki-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-11-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-24", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2026-11-24" ], "statement": "Monthly list, November 2026", "source_url": "https://packolkata.imd.gov.in/festival.php?pg=9", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Kārtikī Pūrṇimā 2026 falls on Tuesday 24 November. Pūrṇimā runs from 23:43 on Mon 23 Nov to 20:24 on Tue 24 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/sankashta-chaturthi?on=2026-11-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36350, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-11-27T09:49:02+05:30", "utc": "2026-11-27T04:19:02Z", "ms": 1795753142132.547 }, "end": { "local": "2026-11-28T06:40:22+05:30", "utc": "2026-11-28T01:10:22Z", "ms": 1795828221551.8955 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2026-11-27T09:49:02+05:30", "utc": "2026-11-27T04:19:02Z", "ms": 1795753142132.547 }, "end": { "local": "2026-11-28T06:40:22+05:30", "utc": "2026-11-28T01:10:22Z", "ms": 1795828221551.8955 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-11-26", "window": { "start": { "local": "2026-11-26T19:24:42+05:30", "utc": "2026-11-26T13:54:42Z", "ms": 1795701282175.438 }, "end": { "local": "2026-11-26T19:24:42+05:30", "utc": "2026-11-26T13:54:42Z", "ms": 1795701282175.438 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2026-11-27", "window": { "start": { "local": "2026-11-27T20:34:31+05:30", "utc": "2026-11-27T15:04:31Z", "ms": 1795791871307.4324 }, "end": { "local": "2026-11-27T20:34:31+05:30", "utc": "2026-11-27T15:04:31Z", "ms": 1795791871307.4324 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:49 on Fri 27 Nov to 06:40 on Sat 28 Nov.", "fact": "2026-11-27T04:19:02Z → 2026-11-28T01:10:22Z" }, { "step": "kaala", "text": "Moonrise is at 19:25 on the 26th and 20:35 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36350 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2026: Friday 27 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-11-27", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2026 falls on Friday 27 November. Caturthī runs from 09:49 on Fri 27 Nov to 06:40 on Sat 28 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/sankashta-chaturthi?on=2026-11-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/ekadashi?on=2026-12-04", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25734, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-12-03T23:04:01+05:30", "utc": "2026-12-03T17:34:01Z", "ms": 1796319241376.877 }, "end": { "local": "2026-12-04T23:45:14+05:30", "utc": "2026-12-04T18:15:14Z", "ms": 1796408113872.7566 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2026-12-03T23:04:01+05:30", "utc": "2026-12-03T17:34:01Z", "ms": 1796319241376.877 }, "end": { "local": "2026-12-04T23:45:14+05:30", "utc": "2026-12-04T18:15:14Z", "ms": 1796408113872.7566 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-12-04", "window": { "start": { "local": "2026-12-04T06:53:28+05:30", "utc": "2026-12-04T01:23:28Z", "ms": 1796347407506.984 }, "end": { "local": "2026-12-04T06:53:28+05:30", "utc": "2026-12-04T01:23:28Z", "ms": 1796347407506.984 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-12-05", "window": { "start": { "local": "2026-12-05T06:54:08+05:30", "utc": "2026-12-05T01:24:08Z", "ms": 1796433847729.499 }, "end": { "local": "2026-12-05T06:54:08+05:30", "utc": "2026-12-05T01:24:08Z", "ms": 1796433847729.499 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:04 on Thu 3 Dec to 23:45 on Fri 4 Dec.", "fact": "2026-12-03T17:34:01Z → 2026-12-04T18:15:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:53 on the 4th and 06:54 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25734 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Ujjain, 2026: Friday 4 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": "2026-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-12-04", "confidence": "determinate" } ], "quote": "In Ujjain, Utpannā Ekādaśī 2026 falls on Friday 4 December. Ekādaśī runs from 23:04 on Thu 3 Dec to 23:45 on Fri 4 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-12-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/pradosha-vrata?on=2026-12-06", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-12-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19561, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-12-06T00:52:28+05:30", "utc": "2026-12-05T19:22:28Z", "ms": 1796498548219.0674 }, "end": { "local": "2026-12-07T02:22:34+05:30", "utc": "2026-12-06T20:52:34Z", "ms": 1796590354355.0117 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2026-12-06T00:52:28+05:30", "utc": "2026-12-05T19:22:28Z", "ms": 1796498548219.0674 }, "end": { "local": "2026-12-07T02:22:34+05:30", "utc": "2026-12-06T20:52:34Z", "ms": 1796590354355.0117 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-12-05", "window": { "start": { "local": "2026-12-05T17:40:33+05:30", "utc": "2026-12-05T12:10:33Z", "ms": 1796472632771.1016 }, "end": { "local": "2026-12-05T19:26:27+05:30", "utc": "2026-12-05T13:56:27Z", "ms": 1796478986759.7214 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "2026-12-06", "window": { "start": { "local": "2026-12-06T17:40:43+05:30", "utc": "2026-12-06T12:10:43Z", "ms": 1796559043367.9626 }, "end": { "local": "2026-12-06T19:26:41+05:30", "utc": "2026-12-06T13:56:41Z", "ms": 1796565401230.1016 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:52 on Sun 6 Dec to 02:23 on Mon 7 Dec.", "fact": "2026-12-05T19:22:28Z → 2026-12-06T20:52:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:41–19:26 on the 5th, 17:41–19:27 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 0 of 106 minutes on the 5th and 106 of 106 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 19561 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2026: Sunday 6 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-12-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-12-06", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2026 falls on Sunday 6 December. Trayodaśī runs from 00:52 on Sun 6 Dec to 02:23 on Mon 7 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-12-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/shivaratri?on=2026-12-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-12-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6029, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2026-12-07T02:22:34+05:30", "utc": "2026-12-06T20:52:34Z", "ms": 1796590354355.0117 }, "end": { "local": "2026-12-08T04:13:04+05:30", "utc": "2026-12-07T22:43:04Z", "ms": 1796683383726.0635 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2026-12-07T02:22:34+05:30", "utc": "2026-12-06T20:52:34Z", "ms": 1796590354355.0117 }, "end": { "local": "2026-12-08T04:13:04+05:30", "utc": "2026-12-07T22:43:04Z", "ms": 1796683383726.0635 } }, "kaala": "nishita", "days": [ { "local_date": "2026-12-06", "window": { "start": { "local": "2026-12-06T23:54:05+05:30", "utc": "2026-12-06T18:24:05Z", "ms": 1796581445350.984 }, "end": { "local": "2026-12-07T00:42:05+05:30", "utc": "2026-12-06T19:12:05Z", "ms": 1796584325350.984 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-12-07", "window": { "start": { "local": "2026-12-07T23:54:31+05:30", "utc": "2026-12-07T18:24:31Z", "ms": 1796667870992.397 }, "end": { "local": "2026-12-08T00:42:31+05:30", "utc": "2026-12-07T19:12:31Z", "ms": 1796670750992.397 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:23 on Mon 7 Dec to 04:13 on Tue 8 Dec.", "fact": "2026-12-06T20:52:34Z → 2026-12-07T22:43:04Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:54–00:42 on the 6th, 23:55–00:43 on the 7th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6029 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2026: Monday 7 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-12-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-12-07", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2026 falls on Monday 7 December. Caturdaśī runs from 02:23 on Mon 7 Dec to 04:13 on Tue 8 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2026/shivaratri?on=2026-12-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/vinayaka-chaturthi?on=2026-12-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4940, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-12-12T14:06:47+05:30", "utc": "2026-12-12T08:36:47Z", "ms": 1797064607190.596 }, "end": { "local": "2026-12-13T16:48:07+05:30", "utc": "2026-12-13T11:18:07Z", "ms": 1797160686696.4006 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2026-12-12T14:06:47+05:30", "utc": "2026-12-12T08:36:47Z", "ms": 1797064607190.596 }, "end": { "local": "2026-12-13T16:48:07+05:30", "utc": "2026-12-13T11:18:07Z", "ms": 1797160686696.4006 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-12-12", "window": { "start": { "local": "2026-12-12T11:56:27+05:30", "utc": "2026-12-12T06:26:27Z", "ms": 1797056787424.983 }, "end": { "local": "2026-12-12T12:44:27+05:30", "utc": "2026-12-12T07:14:27Z", "ms": 1797059667424.983 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-12-13", "window": { "start": { "local": "2026-12-13T11:56:56+05:30", "utc": "2026-12-13T06:26:56Z", "ms": 1797143215809.6235 }, "end": { "local": "2026-12-13T12:44:56+05:30", "utc": "2026-12-13T07:14:56Z", "ms": 1797146095809.6235 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:07 on Sat 12 Dec to 16:48 on Sun 13 Dec.", "fact": "2026-12-12T08:36:47Z → 2026-12-13T11:18:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 12th, 11:57–12:45 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4940 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2026: Sunday 13 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-12-13", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2026 falls on Sunday 13 December. Caturthī runs from 14:07 on Sat 12 Dec to 16:48 on Sun 13 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/vinayaka-chaturthi?on=2026-12-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14591, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2026-12-13T16:48:07+05:30", "utc": "2026-12-13T11:18:07Z", "ms": 1797160686696.4006 }, "end": { "local": "2026-12-14T19:16:33+05:30", "utc": "2026-12-14T13:46:33Z", "ms": 1797255993243.4744 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2026-12-13T16:48:07+05:30", "utc": "2026-12-13T11:18:07Z", "ms": 1797160686696.4006 }, "end": { "local": "2026-12-14T19:16:33+05:30", "utc": "2026-12-14T13:46:33Z", "ms": 1797255993243.4744 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-12-13", "window": { "start": { "local": "2026-12-13T11:56:56+05:30", "utc": "2026-12-13T06:26:56Z", "ms": 1797143215809.6235 }, "end": { "local": "2026-12-13T12:44:56+05:30", "utc": "2026-12-13T07:14:56Z", "ms": 1797146095809.6235 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-12-14", "window": { "start": { "local": "2026-12-14T11:57:25+05:30", "utc": "2026-12-14T06:27:25Z", "ms": 1797229644504.231 }, "end": { "local": "2026-12-14T12:45:25+05:30", "utc": "2026-12-14T07:15:25Z", "ms": 1797232524504.231 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 16:48 on Sun 13 Dec to 19:17 on Mon 14 Dec.", "fact": "2026-12-13T11:18:07Z → 2026-12-14T13:46:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 13th, 11:57–12:45 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14591 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Ujjain, 2026: Monday 14 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-12-14", "confidence": "determinate" } ], "quote": "In Ujjain, Nāga Pañcamī (Mārgaśīrṣa) 2026 falls on Monday 14 December. Pañcamī runs from 16:48 on Sun 13 Dec to 19:17 on Mon 14 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23469, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2026-12-14T19:16:33+05:30", "utc": "2026-12-14T13:46:33Z", "ms": 1797255993243.4744 }, "end": { "local": "2026-12-15T21:19:54+05:30", "utc": "2026-12-15T15:49:54Z", "ms": 1797349794008.9026 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2026-12-14T19:16:33+05:30", "utc": "2026-12-14T13:46:33Z", "ms": 1797255993243.4744 }, "end": { "local": "2026-12-15T21:19:54+05:30", "utc": "2026-12-15T15:49:54Z", "ms": 1797349794008.9026 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-12-14", "window": { "start": { "local": "2026-12-14T11:57:25+05:30", "utc": "2026-12-14T06:27:25Z", "ms": 1797229644504.231 }, "end": { "local": "2026-12-14T12:45:25+05:30", "utc": "2026-12-14T07:15:25Z", "ms": 1797232524504.231 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-12-15", "window": { "start": { "local": "2026-12-15T11:57:53+05:30", "utc": "2026-12-15T06:27:53Z", "ms": 1797316073474.196 }, "end": { "local": "2026-12-15T12:45:53+05:30", "utc": "2026-12-15T07:15:53Z", "ms": 1797318953474.196 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:17 on Mon 14 Dec to 21:20 on Tue 15 Dec.", "fact": "2026-12-14T13:46:33Z → 2026-12-15T15:49:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 14th, 11:58–12:46 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23469 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Ujjain, 2026: Tuesday 15 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-12-15", "confidence": "determinate" } ], "quote": "In Ujjain, Campā Ṣaṣṭhī 2026 falls on Tuesday 15 December. Ṣaṣṭhī runs from 19:17 on Mon 14 Dec to 21:20 on Tue 15 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23469, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2026-12-14T19:16:33+05:30", "utc": "2026-12-14T13:46:33Z", "ms": 1797255993243.4744 }, "end": { "local": "2026-12-15T21:19:54+05:30", "utc": "2026-12-15T15:49:54Z", "ms": 1797349794008.9026 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2026-12-14T19:16:33+05:30", "utc": "2026-12-14T13:46:33Z", "ms": 1797255993243.4744 }, "end": { "local": "2026-12-15T21:19:54+05:30", "utc": "2026-12-15T15:49:54Z", "ms": 1797349794008.9026 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-12-14", "window": { "start": { "local": "2026-12-14T11:57:25+05:30", "utc": "2026-12-14T06:27:25Z", "ms": 1797229644504.231 }, "end": { "local": "2026-12-14T12:45:25+05:30", "utc": "2026-12-14T07:15:25Z", "ms": 1797232524504.231 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-12-15", "window": { "start": { "local": "2026-12-15T11:57:53+05:30", "utc": "2026-12-15T06:27:53Z", "ms": 1797316073474.196 }, "end": { "local": "2026-12-15T12:45:53+05:30", "utc": "2026-12-15T07:15:53Z", "ms": 1797318953474.196 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:17 on Mon 14 Dec to 21:20 on Tue 15 Dec.", "fact": "2026-12-14T13:46:33Z → 2026-12-15T15:49:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 14th, 11:58–12:46 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23469 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Ujjain, 2026: Tuesday 15 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-12-15", "confidence": "determinate" } ], "quote": "In Ujjain, Skanda Ṣaṣṭhī 2026 falls on Tuesday 15 December. Ṣaṣṭhī runs from 19:17 on Mon 14 Dec to 21:20 on Tue 15 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30841, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2026-12-15T21:19:54+05:30", "utc": "2026-12-15T15:49:54Z", "ms": 1797349794008.9026 }, "end": { "local": "2026-12-16T22:46:21+05:30", "utc": "2026-12-16T17:16:21Z", "ms": 1797441381484.5442 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2026-12-15T21:19:54+05:30", "utc": "2026-12-15T15:49:54Z", "ms": 1797349794008.9026 }, "end": { "local": "2026-12-16T22:46:21+05:30", "utc": "2026-12-16T17:16:21Z", "ms": 1797441381484.5442 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-12-15", "window": { "start": { "local": "2026-12-15T11:57:53+05:30", "utc": "2026-12-15T06:27:53Z", "ms": 1797316073474.196 }, "end": { "local": "2026-12-15T12:45:53+05:30", "utc": "2026-12-15T07:15:53Z", "ms": 1797318953474.196 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-12-16", "window": { "start": { "local": "2026-12-16T11:58:23+05:30", "utc": "2026-12-16T06:28:23Z", "ms": 1797402502684.8604 }, "end": { "local": "2026-12-16T12:46:23+05:30", "utc": "2026-12-16T07:16:23Z", "ms": 1797405382684.8604 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 21:20 on Tue 15 Dec to 22:46 on Wed 16 Dec.", "fact": "2026-12-15T15:49:54Z → 2026-12-16T17:16:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 15th, 11:58–12:46 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30841 s" }, { "step": "ruling", "text": "Mitra Saptamī, Ujjain, 2026: Wednesday 16 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-12-16", "confidence": "determinate" } ], "quote": "In Ujjain, Mitra Saptamī 2026 falls on Wednesday 16 December. Saptamī runs from 21:20 on Tue 15 Dec to 22:46 on Wed 16 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/ekadashi?on=2026-12-20", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-12-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32003, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2026-12-19T22:09:52+05:30", "utc": "2026-12-19T16:39:52Z", "ms": 1797698392418.0894 }, "end": { "local": "2026-12-20T20:15:05+05:30", "utc": "2026-12-20T14:45:05Z", "ms": 1797777904871.1797 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2026-12-19T22:09:52+05:30", "utc": "2026-12-19T16:39:52Z", "ms": 1797698392418.0894 }, "end": { "local": "2026-12-20T20:15:05+05:30", "utc": "2026-12-20T14:45:05Z", "ms": 1797777904871.1797 } }, "kaala": "sunrise", "days": [ { "local_date": "2026-12-20", "window": { "start": { "local": "2026-12-20T07:03:15+05:30", "utc": "2026-12-20T01:33:15Z", "ms": 1797730395360.8713 }, "end": { "local": "2026-12-20T07:03:15+05:30", "utc": "2026-12-20T01:33:15Z", "ms": 1797730395360.8713 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-12-21", "window": { "start": { "local": "2026-12-21T07:03:46+05:30", "utc": "2026-12-21T01:33:46Z", "ms": 1797816826285.32 }, "end": { "local": "2026-12-21T07:03:46+05:30", "utc": "2026-12-21T01:33:46Z", "ms": 1797816826285.32 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:10 on Sat 19 Dec to 20:15 on Sun 20 Dec.", "fact": "2026-12-19T16:39:52Z → 2026-12-20T14:45:05Z" }, { "step": "kaala", "text": "Sunrise is at 07:03 on the 20th and 07:04 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32003 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Ujjain, 2026: Sunday 20 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-12-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-12-20", "confidence": "determinate" } ], "quote": "In Ujjain, Mokṣadā Ekādaśī 2026 falls on Sunday 20 December. Ekādaśī runs from 22:10 on Sat 19 Dec to 20:15 on Sun 20 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/ekadashi?on=2026-12-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-12-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17281, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2026-12-20T20:15:05+05:30", "utc": "2026-12-20T14:45:05Z", "ms": 1797777904871.1797 }, "end": { "local": "2026-12-21T17:36:52+05:30", "utc": "2026-12-21T12:06:52Z", "ms": 1797854812127.7166 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2026-12-20T20:15:05+05:30", "utc": "2026-12-20T14:45:05Z", "ms": 1797777904871.1797 }, "end": { "local": "2026-12-21T17:36:52+05:30", "utc": "2026-12-21T12:06:52Z", "ms": 1797854812127.7166 } }, "kaala": "madhyahna", "days": [ { "local_date": "2026-12-20", "window": { "start": { "local": "2026-12-20T12:00:21+05:30", "utc": "2026-12-20T06:30:21Z", "ms": 1797748221248.6921 }, "end": { "local": "2026-12-20T12:48:21+05:30", "utc": "2026-12-20T07:18:21Z", "ms": 1797751101248.6921 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2026-12-21", "window": { "start": { "local": "2026-12-21T12:00:51+05:30", "utc": "2026-12-21T06:30:51Z", "ms": 1797834651153.2815 }, "end": { "local": "2026-12-21T12:48:51+05:30", "utc": "2026-12-21T07:18:51Z", "ms": 1797837531153.2815 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:15 on Sun 20 Dec to 17:37 on Mon 21 Dec.", "fact": "2026-12-20T14:45:05Z → 2026-12-21T12:06:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 20th, 12:01–12:49 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17281 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Ujjain, 2026: Monday 21 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akhanda-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-12-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-12-21", "confidence": "determinate" } ], "quote": "In Ujjain, Akhaṇḍa Dvādaśī 2026 falls on Monday 21 December. Dvādaśī runs from 20:15 on Sun 20 Dec to 17:37 on Mon 21 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/pradosha-vrata?on=2026-12-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-12-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 544, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2026-12-21T17:36:52+05:30", "utc": "2026-12-21T12:06:52Z", "ms": 1797854812127.7166 }, "end": { "local": "2026-12-22T14:24:13+05:30", "utc": "2026-12-22T08:54:13Z", "ms": 1797929652790.3157 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2026-12-21T17:36:52+05:30", "utc": "2026-12-21T12:06:52Z", "ms": 1797854812127.7166 }, "end": { "local": "2026-12-22T14:24:13+05:30", "utc": "2026-12-22T08:54:13Z", "ms": 1797929652790.3157 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-12-21", "window": { "start": { "local": "2026-12-21T17:45:56+05:30", "utc": "2026-12-21T12:15:56Z", "ms": 1797855356021.243 }, "end": { "local": "2026-12-21T19:32:23+05:30", "utc": "2026-12-21T14:02:23Z", "ms": 1797861742725.236 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2026-12-22", "window": { "start": { "local": "2026-12-22T17:46:26+05:30", "utc": "2026-12-22T12:16:26Z", "ms": 1797941785898.337 }, "end": { "local": "2026-12-22T19:32:52+05:30", "utc": "2026-12-22T14:02:52Z", "ms": 1797948172495.6943 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:37 on Mon 21 Dec to 14:24 on Tue 22 Dec.", "fact": "2026-12-21T12:06:52Z → 2026-12-22T08:54:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:46–19:32 on the 21st, 17:46–19:33 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 21st and 0 of 106 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 544 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2026: Monday 21 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-12-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-12-21", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2026 falls on Monday 21 December. Trayodaśī runs from 17:37 on Mon 21 Dec to 14:24 on Tue 22 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/pradosha-vrata?on=2026-12-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2026/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-12-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25161, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2026-12-23T10:47:36+05:30", "utc": "2026-12-23T05:17:36Z", "ms": 1798003055683.5588 }, "end": { "local": "2026-12-24T06:58:14+05:30", "utc": "2026-12-24T01:28:14Z", "ms": 1798075694113.4785 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2026-12-23T10:47:36+05:30", "utc": "2026-12-23T05:17:36Z", "ms": 1798003055683.5588 }, "end": { "local": "2026-12-24T06:58:14+05:30", "utc": "2026-12-24T01:28:14Z", "ms": 1798075694113.4785 } }, "kaala": "pradosha", "days": [ { "local_date": "2026-12-23", "window": { "start": { "local": "2026-12-23T17:46:57+05:30", "utc": "2026-12-23T12:16:57Z", "ms": 1798028216737.947 }, "end": { "local": "2026-12-23T19:33:23+05:30", "utc": "2026-12-23T14:03:23Z", "ms": 1798034602971.4019 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2026-12-24", "window": { "start": { "local": "2026-12-24T17:47:29+05:30", "utc": "2026-12-24T12:17:29Z", "ms": 1798114648510.5203 }, "end": { "local": "2026-12-24T19:33:54+05:30", "utc": "2026-12-24T14:03:54Z", "ms": 1798121034123.0894 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:48 on Wed 23 Dec to 06:58 on Thu 24 Dec.", "fact": "2026-12-23T05:17:36Z → 2026-12-24T01:28:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:47–19:33 on the 23rd, 17:47–19:34 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 106 of 106 minutes on the 23rd and 0 of 106 on the 24th.", "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 25161 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Ujjain, 2026: Wednesday 23 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dattatreyotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Dattatreyotpatti (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-12-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-12-23", "confidence": "determinate" } ], "quote": "In Ujjain, Dattātreyotpatti (Datta Jayanti) 2026 falls on Wednesday 23 December. Pūrṇimā runs from 10:48 on Wed 23 Dec to 06:58 on Thu 24 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2026/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/2026/sankashta-chaturthi?on=2026-12-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2026, "local_date": "2026-12-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1547, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2026-12-26T20:05:30+05:30", "utc": "2026-12-26T14:35:30Z", "ms": 1798295730291.8613 }, "end": { "local": "2026-12-27T17:13:42+05:30", "utc": "2026-12-27T11:43:42Z", "ms": 1798371822224.1917 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2026-12-26T20:05:30+05:30", "utc": "2026-12-26T14:35:30Z", "ms": 1798295730291.8613 }, "end": { "local": "2026-12-27T17:13:42+05:30", "utc": "2026-12-27T11:43:42Z", "ms": 1798371822224.1917 } }, "kaala": "moonrise", "days": [ { "local_date": "2026-12-26", "window": { "start": { "local": "2026-12-26T20:31:17+05:30", "utc": "2026-12-26T15:01:17Z", "ms": 1798297277491.054 }, "end": { "local": "2026-12-26T20:31:17+05:30", "utc": "2026-12-26T15:01:17Z", "ms": 1798297277491.054 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2026-12-27", "window": { "start": { "local": "2026-12-27T21:36:43+05:30", "utc": "2026-12-27T16:06:43Z", "ms": 1798387602688.973 }, "end": { "local": "2026-12-27T21:36:43+05:30", "utc": "2026-12-27T16:06:43Z", "ms": 1798387602688.973 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:06 on Sat 26 Dec to 17:14 on Sun 27 Dec.", "fact": "2026-12-26T14:35:30Z → 2026-12-27T11:43:42Z" }, { "step": "kaala", "text": "Moonrise is at 20:31 on the 26th and 21:37 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1547 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2026: Saturday 26 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2026-12-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2026-12-26", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2026 falls on Saturday 26 December. Caturthī runs from 20:06 on Sat 26 Dec to 17:14 on Sun 27 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2026/sankashta-chaturthi?on=2026-12-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }