{ "id": "/ujjain/festivals/2025", "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": 2025, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/ujjain/festivals/2025/vinayaka-chaturthi?on=2025-01-03", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-01-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38677, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-01-03T01:08:54+05:30", "utc": "2025-01-02T19:38:54Z", "ms": 1735846734374.045 }, "end": { "local": "2025-01-03T23:40:04+05:30", "utc": "2025-01-03T18:10:04Z", "ms": 1735927803864.0635 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-01-03T01:08:54+05:30", "utc": "2025-01-02T19:38:54Z", "ms": 1735846734374.045 }, "end": { "local": "2025-01-03T23:40:04+05:30", "utc": "2025-01-03T18:10:04Z", "ms": 1735927803864.0635 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-01-02", "window": { "start": { "local": "2025-01-02T12:06:59+05:30", "utc": "2025-01-02T06:36:59Z", "ms": 1735799819057.4727 }, "end": { "local": "2025-01-02T12:54:59+05:30", "utc": "2025-01-02T07:24:59Z", "ms": 1735802699057.4727 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-01-03", "window": { "start": { "local": "2025-01-03T12:07:27+05:30", "utc": "2025-01-03T06:37:27Z", "ms": 1735886247036.9673 }, "end": { "local": "2025-01-03T12:55:27+05:30", "utc": "2025-01-03T07:25:27Z", "ms": 1735889127036.9673 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:09 on Fri 3 Jan to 23:40 on Fri 3 Jan.", "fact": "2025-01-02T19:38:54Z → 2025-01-03T18:10:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 2nd, 12:07–12:55 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38677 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2025: Friday 3 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-01-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-03", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2025 falls on Friday 3 January. Caturthī runs from 01:09 on Fri 3 Jan to 23:40 on Fri 3 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/vinayaka-chaturthi?on=2025-01-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/ekadashi?on=2025-01-10", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-01-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11388, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-01-09T12:23:01+05:30", "utc": "2025-01-09T06:53:01Z", "ms": 1736405581140.581 }, "end": { "local": "2025-01-10T10:20:09+05:30", "utc": "2025-01-10T04:50:09Z", "ms": 1736484609094.5127 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-01-09T12:23:01+05:30", "utc": "2025-01-09T06:53:01Z", "ms": 1736405581140.581 }, "end": { "local": "2025-01-10T10:20:09+05:30", "utc": "2025-01-10T04:50:09Z", "ms": 1736484609094.5127 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-01-09", "window": { "start": { "local": "2025-01-09T07:10:15+05:30", "utc": "2025-01-09T01:40:15Z", "ms": 1736386814506.2632 }, "end": { "local": "2025-01-09T07:10:15+05:30", "utc": "2025-01-09T01:40:15Z", "ms": 1736386814506.2632 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-01-10", "window": { "start": { "local": "2025-01-10T07:10:21+05:30", "utc": "2025-01-10T01:40:21Z", "ms": 1736473221484.4065 }, "end": { "local": "2025-01-10T07:10:21+05:30", "utc": "2025-01-10T01:40:21Z", "ms": 1736473221484.4065 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:23 on Thu 9 Jan to 10:20 on Fri 10 Jan.", "fact": "2025-01-09T06:53:01Z → 2025-01-10T04:50:09Z" }, { "step": "kaala", "text": "Sunrise is at 07:10 on the 9th and 07:10 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11388 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Ujjain, 2025: Friday 10 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": "2025-01-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-10", "confidence": "determinate" } ], "quote": "In Ujjain, Putradā Ekādaśī 2025 falls on Friday 10 January. Ekādaśī runs from 12:23 on Thu 9 Jan to 10:20 on Fri 10 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-01-10", "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/2025/pradosha-vrata?on=2025-01-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-01-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34639, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-01-11T08:22:01+05:30", "utc": "2025-01-11T02:52:01Z", "ms": 1736563921007.886 }, "end": { "local": "2025-01-12T06:34:13+05:30", "utc": "2025-01-12T01:04:13Z", "ms": 1736643853322.9302 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-01-11T08:22:01+05:30", "utc": "2025-01-11T02:52:01Z", "ms": 1736563921007.886 }, "end": { "local": "2025-01-12T06:34:13+05:30", "utc": "2025-01-12T01:04:13Z", "ms": 1736643853322.9302 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-01-11", "window": { "start": { "local": "2025-01-11T17:59:20+05:30", "utc": "2025-01-11T12:29:20Z", "ms": 1736598560499.4705 }, "end": { "local": "2025-01-11T19:44:50+05:30", "utc": "2025-01-11T14:14:50Z", "ms": 1736604889933.9143 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "2025-01-12", "window": { "start": { "local": "2025-01-12T18:00:03+05:30", "utc": "2025-01-12T12:30:03Z", "ms": 1736685002959.9473 }, "end": { "local": "2025-01-12T19:45:27+05:30", "utc": "2025-01-12T14:15:27Z", "ms": 1736691327104.6982 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:22 on Sat 11 Jan to 06:34 on Sun 12 Jan.", "fact": "2025-01-11T02:52:01Z → 2025-01-12T01:04:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:45 on the 11th, 18:00–19:45 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 105 of 105 minutes on the 11th and 0 of 105 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 34639 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2025: Saturday 11 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": "2025-01-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-11", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2025 falls on Saturday 11 January. Trayodaśī runs from 08:22 on Sat 11 Jan to 06:34 on Sun 12 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-01-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32747, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2025-01-14T08:55:41+05:30", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 }, "end": { "local": "2025-02-12T21:56:12+05:30", "utc": "2025-02-12T16:26:12Z", "ms": 1739377572304.329 } }, "span": { "of": "transit", "start": { "local": "2025-01-14T08:55:41+05:30", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 }, "end": { "local": "2025-01-14T08:55:41+05:30", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 } }, "kaala": "sunset-day", "days": [ { "local_date": "2025-01-14", "window": { "start": { "local": "2025-01-13T18:00:46+05:30", "utc": "2025-01-13T12:30:46Z", "ms": 1736771445566.3518 }, "end": { "local": "2025-01-14T18:01:28+05:30", "utc": "2025-01-14T12:31:28Z", "ms": 1736857888288.3125 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2025-01-15", "window": { "start": { "local": "2025-01-14T18:01:28+05:30", "utc": "2025-01-14T12:31:28Z", "ms": 1736857888288.3125 }, "end": { "local": "2025-01-15T18:02:11+05:30", "utc": "2025-01-15T12:32:11Z", "ms": 1736944331096.2795 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2025-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:56 on Tue 14 Jan.", "fact": "2025-01-14T03:25:41Z · 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 32747 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Tuesday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Ujjain, 2025: Monday 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": "2025-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2025-01-13", "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": "2025-01-13", "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": [ "2025-01-13" ], "statement": "Principal festivals, 2024-25", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Bhogi 2025 falls on Monday 13 January. It is kept the day before Pongal, which falls on Tuesday 14 January. The Sun enters Makara at 08:56 on Tue 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/2025/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/2025/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32747, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2025-01-14T08:55:41+05:30", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 }, "end": { "local": "2025-02-12T21:56:12+05:30", "utc": "2025-02-12T16:26:12Z", "ms": 1739377572304.329 } }, "span": { "of": "transit", "start": { "local": "2025-01-14T08:55:41+05:30", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 }, "end": { "local": "2025-01-14T08:55:41+05:30", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 } }, "kaala": "sunset-day", "days": [ { "local_date": "2025-01-14", "window": { "start": { "local": "2025-01-13T18:00:46+05:30", "utc": "2025-01-13T12:30:46Z", "ms": 1736771445566.3518 }, "end": { "local": "2025-01-14T18:01:28+05:30", "utc": "2025-01-14T12:31:28Z", "ms": 1736857888288.3125 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2025-01-15", "window": { "start": { "local": "2025-01-14T18:01:28+05:30", "utc": "2025-01-14T12:31:28Z", "ms": 1736857888288.3125 }, "end": { "local": "2025-01-15T18:02:11+05:30", "utc": "2025-01-15T12:32:11Z", "ms": 1736944331096.2795 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:56 on Tue 14 Jan.", "fact": "2025-01-14T03:25:41Z · 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 32747 s" }, { "step": "ruling", "text": "Pongal, Ujjain, 2025: Tuesday 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": "2025-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2025-01-14", "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": "2025-01-14", "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": [ "2025-01-14" ], "statement": "Principal festivals, 2024-25", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Pongal (Tai Pongal) 2025 falls on Tuesday 14 January. The Sun enters Makara at 08:56 on Tue 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/2025/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/2025/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32141, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2025-01-14T08:55:41+05:30", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 }, "end": { "local": "2025-02-12T21:56:12+05:30", "utc": "2025-02-12T16:26:12Z", "ms": 1739377572304.329 } }, "span": { "of": "transit", "start": { "local": "2025-01-14T08:55:41+05:30", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 }, "end": { "local": "2025-01-14T08:55:41+05:30", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 } }, "kaala": "civil-day", "days": [ { "local_date": "2025-01-13", "window": { "start": { "local": "2025-01-13T00:00:00+05:30", "utc": "2025-01-12T18:30:00Z", "ms": 1736706600000 }, "end": { "local": "2025-01-14T00:00:00+05:30", "utc": "2025-01-13T18:30:00Z", "ms": 1736793000000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2025-01-14", "window": { "start": { "local": "2025-01-14T00:00:00+05:30", "utc": "2025-01-13T18:30:00Z", "ms": 1736793000000 }, "end": { "local": "2025-01-15T00:00:00+05:30", "utc": "2025-01-14T18:30:00Z", "ms": 1736879400000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:56 on Tue 14 Jan.", "fact": "2025-01-14T03:25:41Z · 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 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 32141 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Ujjain, 2025: Tuesday 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": "2025-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2025-01-14", "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": "2025-01-14", "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": [ "2025-01-14" ], "statement": "Principal festivals, 2024-25", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Makara Saṅkrānti 2025 falls on Tuesday 14 January. The Sun enters Makara at 08:56 on Tue 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32747, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2025-01-14T08:55:41+05:30", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 }, "end": { "local": "2025-02-12T21:56:12+05:30", "utc": "2025-02-12T16:26:12Z", "ms": 1739377572304.329 } }, "span": { "of": "transit", "start": { "local": "2025-01-14T08:55:41+05:30", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 }, "end": { "local": "2025-01-14T08:55:41+05:30", "utc": "2025-01-14T03:25:41Z", "ms": 1736825141380.146 } }, "kaala": "sunset-day", "days": [ { "local_date": "2025-01-14", "window": { "start": { "local": "2025-01-13T18:00:46+05:30", "utc": "2025-01-13T12:30:46Z", "ms": 1736771445566.3518 }, "end": { "local": "2025-01-14T18:01:28+05:30", "utc": "2025-01-14T12:31:28Z", "ms": 1736857888288.3125 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2025-01-15", "window": { "start": { "local": "2025-01-14T18:01:28+05:30", "utc": "2025-01-14T12:31:28Z", "ms": 1736857888288.3125 }, "end": { "local": "2025-01-15T18:02:11+05:30", "utc": "2025-01-15T12:32:11Z", "ms": 1736944331096.2795 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2025-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:56 on Tue 14 Jan.", "fact": "2025-01-14T03:25:41Z · 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 32747 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Tuesday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Ujjain, 2025: Wednesday 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": "2025-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2025-01-15", "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": "2025-01-15", "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": [ "2025-01-15" ], "statement": "Principal festivals, 2024-25", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Mattu Pongal 2025 falls on Wednesday 15 January. It is kept the day after Pongal, which falls on Tuesday 14 January. The Sun enters Makara at 08:56 on Tue 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/2025/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/2025/sankashta-chaturthi?on=2025-01-17", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-01-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27576, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-01-17T04:06:40+05:30", "utc": "2025-01-16T22:36:40Z", "ms": 1737067000282.151 }, "end": { "local": "2025-01-18T05:30:40+05:30", "utc": "2025-01-18T00:00:40Z", "ms": 1737158439845.986 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-01-17T04:06:40+05:30", "utc": "2025-01-16T22:36:40Z", "ms": 1737067000282.151 }, "end": { "local": "2025-01-18T05:30:40+05:30", "utc": "2025-01-18T00:00:40Z", "ms": 1737158439845.986 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-01-16", "window": { "start": { "local": "2025-01-16T20:27:05+05:30", "utc": "2025-01-16T14:57:05Z", "ms": 1737039424681.2422 }, "end": { "local": "2025-01-16T20:27:05+05:30", "utc": "2025-01-16T14:57:05Z", "ms": 1737039424681.2422 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-01-17", "window": { "start": { "local": "2025-01-17T21:20:33+05:30", "utc": "2025-01-17T15:50:33Z", "ms": 1737129033113.3037 }, "end": { "local": "2025-01-17T21:20:33+05:30", "utc": "2025-01-17T15:50:33Z", "ms": 1737129033113.3037 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:07 on Fri 17 Jan to 05:31 on Sat 18 Jan.", "fact": "2025-01-16T22:36:40Z → 2025-01-18T00:00:40Z" }, { "step": "kaala", "text": "Moonrise is at 20:27 on the 16th and 21:21 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27576 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2025: Friday 17 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": "2025-01-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-17", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2025 falls on Friday 17 January. Caturthī runs from 04:07 on Fri 17 Jan to 05:31 on Sat 18 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/sankashta-chaturthi?on=2025-01-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/ekadashi?on=2025-01-25", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38195, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-01-24T19:25:34+05:30", "utc": "2025-01-24T13:55:34Z", "ms": 1737726933676.515 }, "end": { "local": "2025-01-25T20:32:28+05:30", "utc": "2025-01-25T15:02:28Z", "ms": 1737817348008.395 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-01-24T19:25:34+05:30", "utc": "2025-01-24T13:55:34Z", "ms": 1737726933676.515 }, "end": { "local": "2025-01-25T20:32:28+05:30", "utc": "2025-01-25T15:02:28Z", "ms": 1737817348008.395 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-01-25", "window": { "start": { "local": "2025-01-25T07:09:19+05:30", "utc": "2025-01-25T01:39:19Z", "ms": 1737769158558.495 }, "end": { "local": "2025-01-25T07:09:19+05:30", "utc": "2025-01-25T01:39:19Z", "ms": 1737769158558.495 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-01-26", "window": { "start": { "local": "2025-01-26T07:09:03+05:30", "utc": "2025-01-26T01:39:03Z", "ms": 1737855543305.5574 }, "end": { "local": "2025-01-26T07:09:03+05:30", "utc": "2025-01-26T01:39:03Z", "ms": 1737855543305.5574 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:26 on Fri 24 Jan to 20:32 on Sat 25 Jan.", "fact": "2025-01-24T13:55:34Z → 2025-01-25T15:02:28Z" }, { "step": "kaala", "text": "Sunrise is at 07:09 on the 25th and 07:09 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 38195 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Ujjain, 2025: Saturday 25 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": "2025-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-25", "confidence": "determinate" } ], "quote": "In Ujjain, Ṣaṭtilā Ekādaśī 2025 falls on Saturday 25 January. Ekādaśī runs from 19:26 on Fri 24 Jan to 20:32 on Sat 25 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-01-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/pradosha-vrata?on=2025-01-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2448, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-01-26T20:55:19+05:30", "utc": "2025-01-26T15:25:19Z", "ms": 1737905119346.255 }, "end": { "local": "2025-01-27T20:35:12+05:30", "utc": "2025-01-27T15:05:12Z", "ms": 1737990311690.3643 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-01-26T20:55:19+05:30", "utc": "2025-01-26T15:25:19Z", "ms": 1737905119346.255 }, "end": { "local": "2025-01-27T20:35:12+05:30", "utc": "2025-01-27T15:05:12Z", "ms": 1737990311690.3643 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-01-26", "window": { "start": { "local": "2025-01-26T18:10:00+05:30", "utc": "2025-01-26T12:40:00Z", "ms": 1737895199570.4897 }, "end": { "local": "2025-01-26T19:53:50+05:30", "utc": "2025-01-26T14:23:50Z", "ms": 1737901429855.0388 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "2025-01-27", "window": { "start": { "local": "2025-01-27T18:10:41+05:30", "utc": "2025-01-27T12:40:41Z", "ms": 1737981641232.9067 }, "end": { "local": "2025-01-27T19:54:24+05:30", "utc": "2025-01-27T14:24:24Z", "ms": 1737987863570.4336 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:55 on Sun 26 Jan to 20:35 on Mon 27 Jan.", "fact": "2025-01-26T15:25:19Z → 2025-01-27T15:05:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:54 on the 26th, 18:11–19:54 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 104 minutes on the 26th and 104 of 104 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 2448 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2025: Monday 27 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": "2025-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-27", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2025 falls on Monday 27 January. Trayodaśī runs from 20:55 on Sun 26 Jan to 20:35 on Mon 27 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-01-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/shivaratri?on=2025-01-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13223, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-01-27T20:35:12+05:30", "utc": "2025-01-27T15:05:12Z", "ms": 1737990311690.3643 }, "end": { "local": "2025-01-28T19:36:33+05:30", "utc": "2025-01-28T14:06:33Z", "ms": 1738073192937.3367 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-01-27T20:35:12+05:30", "utc": "2025-01-27T15:05:12Z", "ms": 1737990311690.3643 }, "end": { "local": "2025-01-28T19:36:33+05:30", "utc": "2025-01-28T14:06:33Z", "ms": 1738073192937.3367 } }, "kaala": "nishita", "days": [ { "local_date": "2025-01-27", "window": { "start": { "local": "2025-01-28T00:15:35+05:30", "utc": "2025-01-27T18:45:35Z", "ms": 1738003534998.6326 }, "end": { "local": "2025-01-28T01:03:35+05:30", "utc": "2025-01-27T19:33:35Z", "ms": 1738006414998.6326 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-01-28", "window": { "start": { "local": "2025-01-29T00:15:46+05:30", "utc": "2025-01-28T18:45:46Z", "ms": 1738089946061.1052 }, "end": { "local": "2025-01-29T01:03:46+05:30", "utc": "2025-01-28T19:33:46Z", "ms": 1738092826061.1052 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:35 on Mon 27 Jan to 19:37 on Tue 28 Jan.", "fact": "2025-01-27T15:05:12Z → 2025-01-28T14:06:33Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:16–01:04 on the 27th, 00:16–01:04 on the 28th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13223 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2025: Monday 27 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": "2025-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-27", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2025 falls on Monday 27 January. Caturdaśī runs from 20:35 on Mon 27 Jan to 19:37 on Tue 28 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2025/shivaratri?on=2025-01-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31775, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-01-27T20:35:12+05:30", "utc": "2025-01-27T15:05:12Z", "ms": 1737990311690.3643 }, "end": { "local": "2025-01-28T19:36:33+05:30", "utc": "2025-01-28T14:06:33Z", "ms": 1738073192937.3367 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-01-27T20:35:12+05:30", "utc": "2025-01-27T15:05:12Z", "ms": 1737990311690.3643 }, "end": { "local": "2025-01-28T19:36:33+05:30", "utc": "2025-01-28T14:06:33Z", "ms": 1738073192937.3367 } }, "kaala": "arunodaya", "days": [ { "local_date": "2025-01-28", "window": { "start": { "local": "2025-01-28T05:24:46+05:30", "utc": "2025-01-27T23:54:46Z", "ms": 1738022086426.8315 }, "end": { "local": "2025-01-28T07:08:29+05:30", "utc": "2025-01-28T01:38:29Z", "ms": 1738028308764.3584 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "2025-01-29", "window": { "start": { "local": "2025-01-29T05:24:35+05:30", "utc": "2025-01-28T23:54:35Z", "ms": 1738108475245.1003 }, "end": { "local": "2025-01-29T07:08:09+05:30", "utc": "2025-01-29T01:38:09Z", "ms": 1738114689493.8257 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:35 on Mon 27 Jan to 19:37 on Tue 28 Jan.", "fact": "2025-01-27T15:05:12Z → 2025-01-28T14:06:33Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:25–07:08 on the 28th, 05:25–07:08 on the 29th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 104 of 104 minutes on the 28th and 0 of 104 on the 29th.", "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 31775 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Ujjain, 2025: Tuesday 28 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": "2025-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-01-28", "confidence": "determinate" } ], "quote": "In Ujjain, Yama Tarpaṇa 2025 falls on Tuesday 28 January. Caturdaśī runs from 20:35 on Mon 27 Jan to 19:37 on Tue 28 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2265, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-02-01T11:38:49+05:30", "utc": "2025-02-01T06:08:49Z", "ms": 1738390129040.3813 }, "end": { "local": "2025-02-02T09:14:58+05:30", "utc": "2025-02-02T03:44:58Z", "ms": 1738467898046.725 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-02-01T11:38:49+05:30", "utc": "2025-02-01T06:08:49Z", "ms": 1738390129040.3813 }, "end": { "local": "2025-02-02T09:14:58+05:30", "utc": "2025-02-02T03:44:58Z", "ms": 1738467898046.725 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-02-01", "window": { "start": { "local": "2025-02-01T12:16:34+05:30", "utc": "2025-02-01T06:46:34Z", "ms": 1738392394427.6072 }, "end": { "local": "2025-02-01T13:04:34+05:30", "utc": "2025-02-01T07:34:34Z", "ms": 1738395274427.6072 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-02-02", "window": { "start": { "local": "2025-02-02T12:16:42+05:30", "utc": "2025-02-02T06:46:42Z", "ms": 1738478802036.7178 }, "end": { "local": "2025-02-02T13:04:42+05:30", "utc": "2025-02-02T07:34:42Z", "ms": 1738481682036.7178 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:39 on Sat 1 Feb to 09:15 on Sun 2 Feb.", "fact": "2025-02-01T06:08:49Z → 2025-02-02T03:44:58Z" }, { "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": "Caturthī 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: purvaviddha → only-day · margin 2265 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Ujjain, 2025: Saturday 1 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-01", "confidence": "boundary" } ], "quote": "In Ujjain, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2025 falls on Saturday 1 February. Caturthī runs from 11:39 on Sat 1 Feb to 09:15 on Sun 2 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23716, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-02-01T11:38:49+05:30", "utc": "2025-02-01T06:08:49Z", "ms": 1738390129040.3813 }, "end": { "local": "2025-02-02T09:14:58+05:30", "utc": "2025-02-02T03:44:58Z", "ms": 1738467898046.725 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-02-01T11:38:49+05:30", "utc": "2025-02-01T06:08:49Z", "ms": 1738390129040.3813 }, "end": { "local": "2025-02-02T09:14:58+05:30", "utc": "2025-02-02T03:44:58Z", "ms": 1738467898046.725 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-02-01", "window": { "start": { "local": "2025-02-01T18:14:05+05:30", "utc": "2025-02-01T12:44:05Z", "ms": 1738413845058.0737 }, "end": { "local": "2025-02-01T19:57:06+05:30", "utc": "2025-02-01T14:27:06Z", "ms": 1738420025624.5127 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2025-02-02", "window": { "start": { "local": "2025-02-02T18:14:45+05:30", "utc": "2025-02-02T12:44:45Z", "ms": 1738500284767.0693 }, "end": { "local": "2025-02-02T19:57:37+05:30", "utc": "2025-02-02T14:27:37Z", "ms": 1738506456603.6255 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:39 on Sat 1 Feb to 09:15 on Sun 2 Feb.", "fact": "2025-02-01T06:08:49Z → 2025-02-02T03:44:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:14–19:57 on the 1st, 18:15–19:58 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 103 of 103 minutes on the 1st and 0 of 103 on the 2nd.", "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 23716 s" }, { "step": "ruling", "text": "Tila Caturthī, Ujjain, 2025: Saturday 1 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-01", "confidence": "determinate" } ], "quote": "In Ujjain, Tila Caturthī 2025 falls on Saturday 1 February. Caturthī runs from 11:39 on Sat 1 Feb to 09:15 on Sun 2 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10904, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2025-02-02T09:14:58+05:30", "utc": "2025-02-02T03:44:58Z", "ms": 1738467898046.725 }, "end": { "local": "2025-02-03T06:53:16+05:30", "utc": "2025-02-03T01:23:16Z", "ms": 1738545795837.6704 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-02-02T09:14:58+05:30", "utc": "2025-02-02T03:44:58Z", "ms": 1738467898046.725 }, "end": { "local": "2025-02-03T06:53:16+05:30", "utc": "2025-02-03T01:23:16Z", "ms": 1738545795837.6704 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-02-02", "window": { "start": { "local": "2025-02-02T12:16:42+05:30", "utc": "2025-02-02T06:46:42Z", "ms": 1738478802036.7178 }, "end": { "local": "2025-02-02T13:04:42+05:30", "utc": "2025-02-02T07:34:42Z", "ms": 1738481682036.7178 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-02-03", "window": { "start": { "local": "2025-02-03T12:16:49+05:30", "utc": "2025-02-03T06:46:49Z", "ms": 1738565208809.9585 }, "end": { "local": "2025-02-03T13:04:49+05:30", "utc": "2025-02-03T07:34:49Z", "ms": 1738568088809.9585 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:15 on Sun 2 Feb to 06:53 on Mon 3 Feb.", "fact": "2025-02-02T03:44:58Z → 2025-02-03T01:23:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 2nd, 12:17–13:05 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10904 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Ujjain, 2025: Sunday 2 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-02", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-02-02" ], "statement": "Principal festivals, 2024-25", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Śrī Pañcamī 2025 falls on Sunday 2 February. Pañcamī runs from 09:15 on Sun 2 Feb to 06:53 on Mon 3 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10904, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2025-02-02T09:14:58+05:30", "utc": "2025-02-02T03:44:58Z", "ms": 1738467898046.725 }, "end": { "local": "2025-02-03T06:53:16+05:30", "utc": "2025-02-03T01:23:16Z", "ms": 1738545795837.6704 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-02-02T09:14:58+05:30", "utc": "2025-02-02T03:44:58Z", "ms": 1738467898046.725 }, "end": { "local": "2025-02-03T06:53:16+05:30", "utc": "2025-02-03T01:23:16Z", "ms": 1738545795837.6704 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-02-02", "window": { "start": { "local": "2025-02-02T12:16:42+05:30", "utc": "2025-02-02T06:46:42Z", "ms": 1738478802036.7178 }, "end": { "local": "2025-02-02T13:04:42+05:30", "utc": "2025-02-02T07:34:42Z", "ms": 1738481682036.7178 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-02-03", "window": { "start": { "local": "2025-02-03T12:16:49+05:30", "utc": "2025-02-03T06:46:49Z", "ms": 1738565208809.9585 }, "end": { "local": "2025-02-03T13:04:49+05:30", "utc": "2025-02-03T07:34:49Z", "ms": 1738568088809.9585 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:15 on Sun 2 Feb to 06:53 on Mon 3 Feb.", "fact": "2025-02-02T03:44:58Z → 2025-02-03T01:23:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 2nd, 12:17–13:05 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10904 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Ujjain, 2025: Sunday 2 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-02", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-02-02" ], "statement": "Principal festivals, 2024-25", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Vasanta Pañcamī (Basant Panchami) 2025 falls on Sunday 2 February. Pañcamī runs from 09:15 on Sun 2 Feb to 06:53 on Mon 3 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2721, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2025-02-04T04:37:43+05:30", "utc": "2025-02-03T23:07:43Z", "ms": 1738624062620.141 }, "end": { "local": "2025-02-05T02:31:16+05:30", "utc": "2025-02-04T21:01:16Z", "ms": 1738702875665.908 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-02-04T04:37:43+05:30", "utc": "2025-02-03T23:07:43Z", "ms": 1738624062620.141 }, "end": { "local": "2025-02-05T02:31:16+05:30", "utc": "2025-02-04T21:01:16Z", "ms": 1738702875665.908 } }, "kaala": "arunodaya", "days": [ { "local_date": "2025-02-04", "window": { "start": { "local": "2025-02-04T05:23:04+05:30", "utc": "2025-02-03T23:53:04Z", "ms": 1738626783525.6226 }, "end": { "local": "2025-02-04T07:05:47+05:30", "utc": "2025-02-04T01:35:47Z", "ms": 1738632946517.4604 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "2025-02-05", "window": { "start": { "local": "2025-02-05T05:22:44+05:30", "utc": "2025-02-04T23:52:44Z", "ms": 1738713164215.9993 }, "end": { "local": "2025-02-05T07:05:18+05:30", "utc": "2025-02-05T01:35:18Z", "ms": 1738719318252.6584 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 04:38 on Tue 4 Feb to 02:31 on Wed 5 Feb.", "fact": "2025-02-03T23:07:43Z → 2025-02-04T21:01:16Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:23–07:06 on the 4th, 05:23–07:05 on the 5th.", "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 103 of 103 minutes on the 4th and 0 of 103 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2721 s" }, { "step": "ruling", "text": "Ratha Saptamī, Ujjain, 2025: Tuesday 4 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-04", "confidence": "determinate" } ], "quote": "In Ujjain, Ratha Saptamī 2025 falls on Tuesday 4 February. Saptamī runs from 04:38 on Tue 4 Feb to 02:31 on Wed 5 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/ekadashi?on=2025-02-08", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-02-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34621, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-02-07T21:26:45+05:30", "utc": "2025-02-07T15:56:45Z", "ms": 1738943805223.5088 }, "end": { "local": "2025-02-08T20:16:28+05:30", "utc": "2025-02-08T14:46:28Z", "ms": 1739025988142.5864 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-02-07T21:26:45+05:30", "utc": "2025-02-07T15:56:45Z", "ms": 1738943805223.5088 }, "end": { "local": "2025-02-08T20:16:28+05:30", "utc": "2025-02-08T14:46:28Z", "ms": 1739025988142.5864 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-02-08", "window": { "start": { "local": "2025-02-08T07:03:46+05:30", "utc": "2025-02-08T01:33:46Z", "ms": 1738978426213.9167 }, "end": { "local": "2025-02-08T07:03:46+05:30", "utc": "2025-02-08T01:33:46Z", "ms": 1738978426213.9167 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-02-09", "window": { "start": { "local": "2025-02-09T07:03:13+05:30", "utc": "2025-02-09T01:33:13Z", "ms": 1739064793193.5413 }, "end": { "local": "2025-02-09T07:03:13+05:30", "utc": "2025-02-09T01:33:13Z", "ms": 1739064793193.5413 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:27 on Fri 7 Feb to 20:16 on Sat 8 Feb.", "fact": "2025-02-07T15:56:45Z → 2025-02-08T14:46:28Z" }, { "step": "kaala", "text": "Sunrise is at 07:04 on the 8th and 07:03 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34621 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Ujjain, 2025: Saturday 8 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": "2025-02-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-08", "confidence": "determinate" } ], "quote": "In Ujjain, Jayā Ekādaśī 2025 falls on Saturday 8 February. Ekādaśī runs from 21:27 on Fri 7 Feb to 20:16 on Sat 8 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-02-08", "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/2025/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22835, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2025-02-08T20:16:28+05:30", "utc": "2025-02-08T14:46:28Z", "ms": 1739025988142.5864 }, "end": { "local": "2025-02-09T19:25:47+05:30", "utc": "2025-02-09T13:55:47Z", "ms": 1739109346832.6252 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-02-08T20:16:28+05:30", "utc": "2025-02-08T14:46:28Z", "ms": 1739025988142.5864 }, "end": { "local": "2025-02-09T19:25:47+05:30", "utc": "2025-02-09T13:55:47Z", "ms": 1739109346832.6252 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-02-08", "window": { "start": { "local": "2025-02-08T12:17:10+05:30", "utc": "2025-02-08T06:47:10Z", "ms": 1738997230219.7412 }, "end": { "local": "2025-02-08T13:05:10+05:30", "utc": "2025-02-08T07:35:10Z", "ms": 1739000110219.7412 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-02-09", "window": { "start": { "local": "2025-02-09T12:17:12+05:30", "utc": "2025-02-09T06:47:12Z", "ms": 1739083632053.8628 }, "end": { "local": "2025-02-09T13:05:12+05:30", "utc": "2025-02-09T07:35:12Z", "ms": 1739086512053.8628 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:16 on Sat 8 Feb to 19:26 on Sun 9 Feb.", "fact": "2025-02-08T14:46:28Z → 2025-02-09T13:55:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 8th, 12:17–13:05 on the 9th.", "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 8th and 48 of 48 on the 9th.", "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 22835 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Ujjain, 2025: Sunday 9 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-09", "confidence": "determinate" } ], "quote": "In Ujjain, Bhīṣma Dvādaśī 2025 falls on Sunday 9 February. Dvādaśī runs from 20:16 on Sat 8 Feb to 19:26 on Sun 9 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/pradosha-vrata?on=2025-02-10", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-02-10", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2112, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-02-09T19:25:47+05:30", "utc": "2025-02-09T13:55:47Z", "ms": 1739109346832.6252 }, "end": { "local": "2025-02-10T18:57:49+05:30", "utc": "2025-02-10T13:27:49Z", "ms": 1739194069421.7275 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-02-09T19:25:47+05:30", "utc": "2025-02-09T13:55:47Z", "ms": 1739109346832.6252 }, "end": { "local": "2025-02-10T18:57:49+05:30", "utc": "2025-02-10T13:27:49Z", "ms": 1739194069421.7275 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-02-09", "window": { "start": { "local": "2025-02-09T18:19:11+05:30", "utc": "2025-02-09T12:49:11Z", "ms": 1739105350914.1846 }, "end": { "local": "2025-02-09T20:00:59+05:30", "utc": "2025-02-09T14:30:59Z", "ms": 1739111458664.589 } }, "covered_min": 35, "window_min": 102, "qualifies": true }, { "local_date": "2025-02-10", "window": { "start": { "local": "2025-02-10T18:19:47+05:30", "utc": "2025-02-10T12:49:47Z", "ms": 1739191787146.0127 }, "end": { "local": "2025-02-10T20:01:25+05:30", "utc": "2025-02-10T14:31:25Z", "ms": 1739197885364.4949 } }, "covered_min": 38, "window_min": 102, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:26 on Sun 9 Feb to 18:58 on Mon 10 Feb.", "fact": "2025-02-09T13:55:47Z → 2025-02-10T13:27:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–20:01 on the 9th, 18:20–20:01 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 35 of 102 minutes on the 9th and 38 of 102 on the 10th.", "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 2112 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2025: Monday 10 February.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-02-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-09", "confidence": "boundary" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2025 falls on Monday 10 February. Trayodaśī runs from 19:26 on Sun 9 Feb to 18:58 on Mon 10 Feb and covers 38 of 102 minutes of pradoṣa that evening. It also reaches the previous evening for 35 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/2025/pradosha-vrata?on=2025-02-10", "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/2025/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21046, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-02-11T18:55:59+05:30", "utc": "2025-02-11T13:25:59Z", "ms": 1739280358987.8281 }, "end": { "local": "2025-02-12T19:23:24+05:30", "utc": "2025-02-12T13:53:24Z", "ms": 1739368403938.176 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2025-02-11T18:55:59+05:30", "utc": "2025-02-11T13:25:59Z", "ms": 1739280358987.8281 }, "end": { "local": "2025-02-12T19:23:24+05:30", "utc": "2025-02-12T13:53:24Z", "ms": 1739368403938.176 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-02-11", "window": { "start": { "local": "2025-02-11T12:17:13+05:30", "utc": "2025-02-11T06:47:13Z", "ms": 1739256433352.479 }, "end": { "local": "2025-02-11T13:05:13+05:30", "utc": "2025-02-11T07:35:13Z", "ms": 1739259313352.479 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-02-12", "window": { "start": { "local": "2025-02-12T12:17:13+05:30", "utc": "2025-02-12T06:47:13Z", "ms": 1739342832841.809 }, "end": { "local": "2025-02-12T13:05:13+05:30", "utc": "2025-02-12T07:35:13Z", "ms": 1739345712841.809 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:56 on Tue 11 Feb to 19:23 on Wed 12 Feb.", "fact": "2025-02-11T13:25:59Z → 2025-02-12T13:53:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 11th, 12:17–13:05 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21046 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Ujjain, 2025: Wednesday 12 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": "2025-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-12", "confidence": "determinate" } ], "quote": "In Ujjain, Māghī Pūrṇimā 2025 falls on Wednesday 12 February. Pūrṇimā runs from 18:56 on Tue 11 Feb to 19:23 on Wed 12 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/sankashta-chaturthi?on=2025-02-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-02-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10795, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-02-15T23:52:54+05:30", "utc": "2025-02-15T18:22:54Z", "ms": 1739643773671.6826 }, "end": { "local": "2025-02-17T02:16:25+05:30", "utc": "2025-02-16T20:46:25Z", "ms": 1739738784758.959 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2025-02-15T23:52:54+05:30", "utc": "2025-02-15T18:22:54Z", "ms": 1739643773671.6826 }, "end": { "local": "2025-02-17T02:16:25+05:30", "utc": "2025-02-16T20:46:25Z", "ms": 1739738784758.959 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-02-15", "window": { "start": { "local": "2025-02-15T20:52:58+05:30", "utc": "2025-02-15T15:22:58Z", "ms": 1739632978399.776 }, "end": { "local": "2025-02-15T20:52:58+05:30", "utc": "2025-02-15T15:22:58Z", "ms": 1739632978399.776 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-02-16", "window": { "start": { "local": "2025-02-16T21:42:50+05:30", "utc": "2025-02-16T16:12:50Z", "ms": 1739722369842.233 }, "end": { "local": "2025-02-16T21:42:50+05:30", "utc": "2025-02-16T16:12:50Z", "ms": 1739722369842.233 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:53 on Sat 15 Feb to 02:16 on Mon 17 Feb.", "fact": "2025-02-15T18:22:54Z → 2025-02-16T20:46:25Z" }, { "step": "kaala", "text": "Moonrise is at 20:53 on the 15th and 21:43 on the 16th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 15th and is on the 16th.", "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 10795 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2025: Sunday 16 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": "2025-02-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-16", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2025 falls on Sunday 16 February. Caturthī runs from 23:53 on Sat 15 Feb to 02:16 on Mon 17 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/sankashta-chaturthi?on=2025-02-16", "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/2025/ekadashi?on=2025-02-24", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-02-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24745, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-02-23T13:56:25+05:30", "utc": "2025-02-23T08:26:25Z", "ms": 1740299185039.731 }, "end": { "local": "2025-02-24T13:45:21+05:30", "utc": "2025-02-24T08:15:21Z", "ms": 1740384921081.351 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2025-02-23T13:56:25+05:30", "utc": "2025-02-23T08:26:25Z", "ms": 1740299185039.731 }, "end": { "local": "2025-02-24T13:45:21+05:30", "utc": "2025-02-24T08:15:21Z", "ms": 1740384921081.351 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-02-23", "window": { "start": { "local": "2025-02-23T06:53:44+05:30", "utc": "2025-02-23T01:23:44Z", "ms": 1740273823699.0542 }, "end": { "local": "2025-02-23T06:53:44+05:30", "utc": "2025-02-23T01:23:44Z", "ms": 1740273823699.0542 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-02-24", "window": { "start": { "local": "2025-02-24T06:52:56+05:30", "utc": "2025-02-24T01:22:56Z", "ms": 1740360176388.386 }, "end": { "local": "2025-02-24T06:52:56+05:30", "utc": "2025-02-24T01:22:56Z", "ms": 1740360176388.386 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:56 on Sun 23 Feb to 13:45 on Mon 24 Feb.", "fact": "2025-02-23T08:26:25Z → 2025-02-24T08:15:21Z" }, { "step": "kaala", "text": "Sunrise is at 06:54 on the 23rd and 06:53 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24745 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Ujjain, 2025: Monday 24 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": "2025-02-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-24", "confidence": "determinate" } ], "quote": "In Ujjain, Vijayā Ekādaśī 2025 falls on Monday 24 February. Ekādaśī runs from 13:56 on Sun 23 Feb to 13:45 on Mon 24 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-02-24", "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/2025/pradosha-vrata?on=2025-02-25", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-02-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20399, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-02-25T12:47:58+05:30", "utc": "2025-02-25T07:17:58Z", "ms": 1740467878264.7253 }, "end": { "local": "2025-02-26T11:08:56+05:30", "utc": "2025-02-26T05:38:56Z", "ms": 1740548336080.2004 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2025-02-25T12:47:58+05:30", "utc": "2025-02-25T07:17:58Z", "ms": 1740467878264.7253 }, "end": { "local": "2025-02-26T11:08:56+05:30", "utc": "2025-02-26T05:38:56Z", "ms": 1740548336080.2004 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-02-25", "window": { "start": { "local": "2025-02-25T18:27:57+05:30", "utc": "2025-02-25T12:57:57Z", "ms": 1740488277226.0413 }, "end": { "local": "2025-02-25T20:07:04+05:30", "utc": "2025-02-25T14:37:04Z", "ms": 1740494224201.8374 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2025-02-26", "window": { "start": { "local": "2025-02-26T18:28:27+05:30", "utc": "2025-02-26T12:58:27Z", "ms": 1740574706517.1997 }, "end": { "local": "2025-02-26T20:07:23+05:30", "utc": "2025-02-26T14:37:23Z", "ms": 1740580642989.4517 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:48 on Tue 25 Feb to 11:09 on Wed 26 Feb.", "fact": "2025-02-25T07:17:58Z → 2025-02-26T05:38:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:28–20:07 on the 25th, 18:28–20:07 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 99 of 99 minutes on the 25th and 0 of 99 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20399 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2025: Tuesday 25 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": "2025-02-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-25", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2025 falls on Tuesday 25 February. Trayodaśī runs from 12:48 on Tue 25 Feb to 11:09 on Wed 26 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-02-25", "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/2025/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-02-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28300, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-02-26T11:08:56+05:30", "utc": "2025-02-26T05:38:56Z", "ms": 1740548336080.2004 }, "end": { "local": "2025-02-27T08:55:09+05:30", "utc": "2025-02-27T03:25:09Z", "ms": 1740626708728.0815 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2025-02-26T11:08:56+05:30", "utc": "2025-02-26T05:38:56Z", "ms": 1740548336080.2004 }, "end": { "local": "2025-02-27T08:55:09+05:30", "utc": "2025-02-27T03:25:09Z", "ms": 1740626708728.0815 } }, "kaala": "nishita", "days": [ { "local_date": "2025-02-25", "window": { "start": { "local": "2025-02-26T00:15:38+05:30", "utc": "2025-02-25T18:45:38Z", "ms": 1740509138385.2769 }, "end": { "local": "2025-02-26T01:03:38+05:30", "utc": "2025-02-25T19:33:38Z", "ms": 1740512018385.2769 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-02-26", "window": { "start": { "local": "2025-02-27T00:15:28+05:30", "utc": "2025-02-26T18:45:28Z", "ms": 1740595528288.144 }, "end": { "local": "2025-02-27T01:03:28+05:30", "utc": "2025-02-26T19:33:28Z", "ms": 1740598408288.144 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:09 on Wed 26 Feb to 08:55 on Thu 27 Feb.", "fact": "2025-02-26T05:38:56Z → 2025-02-27T03:25:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:16–01:04 on the 25th, 00:15–01:03 on the 26th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 28300 s" }, { "step": "ruling", "text": "Mahāśivarātri, Ujjain, 2025: Wednesday 26 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": "2025-02-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-02-26", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-02-26" ], "statement": "Principal festivals, 2024-25", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Mahāśivarātri (Shivratri) 2025 falls on Wednesday 26 February. Caturdaśī runs from 11:09 on Wed 26 Feb to 08:55 on Thu 27 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/vinayaka-chaturthi?on=2025-03-03", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-03-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17981, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-03-02T21:02:31+05:30", "utc": "2025-03-02T15:32:31Z", "ms": 1740929550915.643 }, "end": { "local": "2025-03-03T18:02:37+05:30", "utc": "2025-03-03T12:32:37Z", "ms": 1741005157360.108 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2025-03-02T21:02:31+05:30", "utc": "2025-03-02T15:32:31Z", "ms": 1740929550915.643 }, "end": { "local": "2025-03-03T18:02:37+05:30", "utc": "2025-03-03T12:32:37Z", "ms": 1741005157360.108 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-03-02", "window": { "start": { "local": "2025-03-02T12:15:09+05:30", "utc": "2025-03-02T06:45:09Z", "ms": 1740897908679.6743 }, "end": { "local": "2025-03-02T13:03:09+05:30", "utc": "2025-03-02T07:33:09Z", "ms": 1740900788679.6743 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-03-03", "window": { "start": { "local": "2025-03-03T12:14:56+05:30", "utc": "2025-03-03T06:44:56Z", "ms": 1740984296318.3674 }, "end": { "local": "2025-03-03T13:02:56+05:30", "utc": "2025-03-03T07:32:56Z", "ms": 1740987176318.3674 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:03 on Sun 2 Mar to 18:03 on Mon 3 Mar.", "fact": "2025-03-02T15:32:31Z → 2025-03-03T12:32:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 2nd, 12:15–13:03 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17981 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2025: Monday 3 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": "2025-03-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-03", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2025 falls on Monday 3 March. Caturthī runs from 21:03 on Sun 2 Mar to 18:03 on Mon 3 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/vinayaka-chaturthi?on=2025-03-03", "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/2025/ekadashi?on=2025-03-10", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-03-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3844, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-03-09T07:45:46+05:30", "utc": "2025-03-09T02:15:46Z", "ms": 1741486546012.0347 }, "end": { "local": "2025-03-10T07:45:14+05:30", "utc": "2025-03-10T02:15:14Z", "ms": 1741572914198.532 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2025-03-09T07:45:46+05:30", "utc": "2025-03-09T02:15:46Z", "ms": 1741486546012.0347 }, "end": { "local": "2025-03-10T07:45:14+05:30", "utc": "2025-03-10T02:15:14Z", "ms": 1741572914198.532 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-03-09", "window": { "start": { "local": "2025-03-09T06:41:42+05:30", "utc": "2025-03-09T01:11:42Z", "ms": 1741482701785.7827 }, "end": { "local": "2025-03-09T06:41:42+05:30", "utc": "2025-03-09T01:11:42Z", "ms": 1741482701785.7827 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-03-10", "window": { "start": { "local": "2025-03-10T06:40:46+05:30", "utc": "2025-03-10T01:10:46Z", "ms": 1741569046173.9868 }, "end": { "local": "2025-03-10T06:40:46+05:30", "utc": "2025-03-10T01:10:46Z", "ms": 1741569046173.9868 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:46 on Sun 9 Mar to 07:45 on Mon 10 Mar.", "fact": "2025-03-09T02:15:46Z → 2025-03-10T02:15:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:42 on the 9th and 06:41 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3844 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Ujjain, 2025: Monday 10 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": "2025-03-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-10", "confidence": "determinate" } ], "quote": "In Ujjain, Āmalakī Ekādaśī 2025 falls on Monday 10 March. Ekādaśī runs from 07:46 on Sun 9 Mar to 07:45 on Mon 10 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-03-10", "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/2025/pradosha-vrata?on=2025-03-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33746, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-03-11T08:14:31+05:30", "utc": "2025-03-11T02:44:31Z", "ms": 1741661071177.978 }, "end": { "local": "2025-03-12T09:12:12+05:30", "utc": "2025-03-12T03:42:12Z", "ms": 1741750931646.9717 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2025-03-11T08:14:31+05:30", "utc": "2025-03-11T02:44:31Z", "ms": 1741661071177.978 }, "end": { "local": "2025-03-12T09:12:12+05:30", "utc": "2025-03-12T03:42:12Z", "ms": 1741750931646.9717 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-03-11", "window": { "start": { "local": "2025-03-11T18:34:13+05:30", "utc": "2025-03-11T13:04:13Z", "ms": 1741698253206.4019 }, "end": { "local": "2025-03-11T20:10:51+05:30", "utc": "2025-03-11T14:40:51Z", "ms": 1741704050617.821 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "2025-03-12", "window": { "start": { "local": "2025-03-12T18:34:38+05:30", "utc": "2025-03-12T13:04:38Z", "ms": 1741784677599.82 }, "end": { "local": "2025-03-12T20:11:04+05:30", "utc": "2025-03-12T14:41:04Z", "ms": 1741790464197.139 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:15 on Tue 11 Mar to 09:12 on Wed 12 Mar.", "fact": "2025-03-11T02:44:31Z → 2025-03-12T03:42:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:34–20:11 on the 11th, 18:35–20:11 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 97 of 97 minutes on the 11th and 0 of 96 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 33746 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2025: Tuesday 11 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": "2025-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-11", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2025 falls on Tuesday 11 March. Trayodaśī runs from 08:15 on Tue 11 Mar to 09:12 on Wed 12 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-03-11", "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/2025/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13625, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-03-13T10:36:23+05:30", "utc": "2025-03-13T05:06:23Z", "ms": 1741842383249.9878 }, "end": { "local": "2025-03-14T12:24:39+05:30", "utc": "2025-03-14T06:54:39Z", "ms": 1741935279192.7112 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2025-03-13T10:36:23+05:30", "utc": "2025-03-13T05:06:23Z", "ms": 1741842383249.9878 }, "end": { "local": "2025-03-14T12:24:39+05:30", "utc": "2025-03-14T06:54:39Z", "ms": 1741935279192.7112 } }, "kaala": "sayahna", "days": [ { "local_date": "2025-03-13", "window": { "start": { "local": "2025-03-13T16:11:37+05:30", "utc": "2025-03-13T10:41:37Z", "ms": 1741862496809.5156 }, "end": { "local": "2025-03-13T18:35:02+05:30", "utc": "2025-03-13T13:05:02Z", "ms": 1741871101741.9666 } }, "covered_min": 143, "window_min": 143, "qualifies": true }, { "local_date": "2025-03-14", "window": { "start": { "local": "2025-03-14T16:11:45+05:30", "utc": "2025-03-14T10:41:45Z", "ms": 1741948904532.1548 }, "end": { "local": "2025-03-14T18:35:26+05:30", "utc": "2025-03-14T13:05:26Z", "ms": 1741957525650.5962 } }, "covered_min": 0, "window_min": 144, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:36 on Thu 13 Mar to 12:25 on Fri 14 Mar.", "fact": "2025-03-13T05:06:23Z → 2025-03-14T06:54:39Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:12–18:35 on the 13th, 16:12–18:35 on the 14th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 143 of 143 minutes on the 13th and 0 of 144 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13625 s" }, { "step": "ruling", "text": "Holikā Dahana, Ujjain, 2025: Thursday 13 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holika-dahana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "not_evaluated": "The hour the row gives for the rite (\"it should be observed on second half of purnima at night\") is not tested: sāyāhna alone settles the day.", "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-13", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-03-13" ], "statement": "Principal festivals, 2024-25", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Holikā Dahana 2025 falls on Thursday 13 March. Pūrṇimā runs from 10:36 on Thu 13 Mar to 12:25 on Fri 14 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13625, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-03-13T10:36:23+05:30", "utc": "2025-03-13T05:06:23Z", "ms": 1741842383249.9878 }, "end": { "local": "2025-03-14T12:24:39+05:30", "utc": "2025-03-14T06:54:39Z", "ms": 1741935279192.7112 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2025-03-13T10:36:23+05:30", "utc": "2025-03-13T05:06:23Z", "ms": 1741842383249.9878 }, "end": { "local": "2025-03-14T12:24:39+05:30", "utc": "2025-03-14T06:54:39Z", "ms": 1741935279192.7112 } }, "kaala": "sayahna", "days": [ { "local_date": "2025-03-13", "window": { "start": { "local": "2025-03-13T16:11:37+05:30", "utc": "2025-03-13T10:41:37Z", "ms": 1741862496809.5156 }, "end": { "local": "2025-03-13T18:35:02+05:30", "utc": "2025-03-13T13:05:02Z", "ms": 1741871101741.9666 } }, "covered_min": 143, "window_min": 143, "qualifies": true }, { "local_date": "2025-03-14", "window": { "start": { "local": "2025-03-14T16:11:45+05:30", "utc": "2025-03-14T10:41:45Z", "ms": 1741948904532.1548 }, "end": { "local": "2025-03-14T18:35:26+05:30", "utc": "2025-03-14T13:05:26Z", "ms": 1741957525650.5962 } }, "covered_min": 0, "window_min": 144, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2025-03-13", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:36 on Thu 13 Mar to 12:25 on Fri 14 Mar.", "fact": "2025-03-13T05:06:23Z → 2025-03-14T06:54:39Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:12–18:35 on the 13th, 16:12–18:35 on the 14th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 143 of 143 minutes on the 13th and 0 of 144 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13625 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Thursday 13 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Ujjain, 2025: Friday 14 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holi", "follows": { "festival": "holika-dahana", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-14", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-03-14" ], "statement": "Principal festivals, 2024-25", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Holī 2025 falls on Friday 14 March. It is kept the day after Holikā Dahana, which falls on Thursday 13 March. Pūrṇimā runs from 10:36 on Thu 13 Mar to 12:25 on Fri 14 Mar and covers all of sāyāhna on the 13th.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20859, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2025-03-14T12:24:39+05:30", "utc": "2025-03-14T06:54:39Z", "ms": 1741935279192.7112 }, "end": { "local": "2025-03-15T14:33:40+05:30", "utc": "2025-03-15T09:03:40Z", "ms": 1742029419519.332 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-03-14T12:24:39+05:30", "utc": "2025-03-14T06:54:39Z", "ms": 1741935279192.7112 }, "end": { "local": "2025-03-15T14:33:40+05:30", "utc": "2025-03-15T09:03:40Z", "ms": 1742029419519.332 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-03-14", "window": { "start": { "local": "2025-03-14T06:37:00+05:30", "utc": "2025-03-14T01:07:00Z", "ms": 1741914420058.389 }, "end": { "local": "2025-03-14T06:37:00+05:30", "utc": "2025-03-14T01:07:00Z", "ms": 1741914420058.389 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-03-15", "window": { "start": { "local": "2025-03-15T06:36:03+05:30", "utc": "2025-03-15T01:06:03Z", "ms": 1742000762756.961 }, "end": { "local": "2025-03-15T06:36:03+05:30", "utc": "2025-03-15T01:06:03Z", "ms": 1742000762756.961 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 12:25 on Fri 14 Mar to 14:34 on Sat 15 Mar.", "fact": "2025-03-14T06:54:39Z → 2025-03-15T09:03:40Z" }, { "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": "Pratipadā 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: purvaviddha → only-day · margin 20859 s" }, { "step": "ruling", "text": "Vasantotsava, Ujjain, 2025: Saturday 15 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": "2025-03-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-15", "confidence": "determinate" } ], "quote": "In Ujjain, Vasantotsava 2025 falls on Saturday 15 March. Pratipadā runs from 12:25 on Fri 14 Mar to 14:34 on Sat 15 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/sankashta-chaturthi?on=2025-03-17", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-03-17", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 26, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-03-17T19:33:34+05:30", "utc": "2025-03-17T14:03:34Z", "ms": 1742220214049.796 }, "end": { "local": "2025-03-18T22:09:49+05:30", "utc": "2025-03-18T16:39:49Z", "ms": 1742315989018.134 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-03-17T19:33:34+05:30", "utc": "2025-03-17T14:03:34Z", "ms": 1742220214049.796 }, "end": { "local": "2025-03-18T22:09:49+05:30", "utc": "2025-03-18T16:39:49Z", "ms": 1742315989018.134 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-03-17", "window": { "start": { "local": "2025-03-17T21:17:34+05:30", "utc": "2025-03-17T15:47:34Z", "ms": 1742226453878.745 }, "end": { "local": "2025-03-17T21:17:34+05:30", "utc": "2025-03-17T15:47:34Z", "ms": 1742226453878.745 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-03-18", "window": { "start": { "local": "2025-03-18T22:10:15+05:30", "utc": "2025-03-18T16:40:15Z", "ms": 1742316014850.51 }, "end": { "local": "2025-03-18T22:10:15+05:30", "utc": "2025-03-18T16:40:15Z", "ms": 1742316014850.51 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:34 on Mon 17 Mar to 22:10 on Tue 18 Mar.", "fact": "2025-03-17T14:03:34Z → 2025-03-18T16:39:49Z" }, { "step": "kaala", "text": "Moonrise is at 21:18 on the 17th and 22:10 on the 18th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 17th and is not on the 18th.", "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 26 s < 300 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2025: Monday 17 March.", "fact": "confidence: boundary (margin)" } ], "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": "2025-03-17", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-17", "confidence": "boundary" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2025 falls on Monday 17 March. Caturthī runs from 19:34 on Mon 17 Mar to 22:10 on Tue 18 Mar and is current at moonrise that day. It is 0 min 26 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ujjain/festivals/2025/sankashta-chaturthi?on=2025-03-17", "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/2025/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24340, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2025-03-22T04:24:20+05:30", "utc": "2025-03-21T22:54:20Z", "ms": 1742597659990.6946 }, "end": { "local": "2025-03-23T05:23:56+05:30", "utc": "2025-03-22T23:53:56Z", "ms": 1742687635613.4739 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-03-22T04:24:20+05:30", "utc": "2025-03-21T22:54:20Z", "ms": 1742597659990.6946 }, "end": { "local": "2025-03-23T05:23:56+05:30", "utc": "2025-03-22T23:53:56Z", "ms": 1742687635613.4739 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-03-22", "window": { "start": { "local": "2025-03-22T12:09:53+05:30", "utc": "2025-03-22T06:39:53Z", "ms": 1742625593409.5107 }, "end": { "local": "2025-03-22T12:57:53+05:30", "utc": "2025-03-22T07:27:53Z", "ms": 1742628473409.5107 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-03-23", "window": { "start": { "local": "2025-03-23T12:09:35+05:30", "utc": "2025-03-23T06:39:35Z", "ms": 1742711975440.5706 }, "end": { "local": "2025-03-23T12:57:35+05:30", "utc": "2025-03-23T07:27:35Z", "ms": 1742714855440.5706 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:24 on Sat 22 Mar to 05:24 on Sun 23 Mar.", "fact": "2025-03-21T22:54:20Z → 2025-03-22T23:53:56Z" }, { "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": "Aṣṭamī 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 24340 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Ujjain, 2025: Saturday 22 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": "2025-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-22", "confidence": "determinate" } ], "quote": "In Ujjain, Śītalāṣṭamī 2025 falls on Saturday 22 March. Aṣṭamī runs from 04:24 on Sat 22 Mar to 05:24 on Sun 23 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/ekadashi?on=2025-03-25", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4840, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-03-25T05:05:41+05:30", "utc": "2025-03-24T23:35:41Z", "ms": 1742859340623.285 }, "end": { "local": "2025-03-26T03:45:58+05:30", "utc": "2025-03-25T22:15:58Z", "ms": 1742940957832.8079 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-03-25T05:05:41+05:30", "utc": "2025-03-24T23:35:41Z", "ms": 1742859340623.285 }, "end": { "local": "2025-03-26T03:45:58+05:30", "utc": "2025-03-25T22:15:58Z", "ms": 1742940957832.8079 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-03-25", "window": { "start": { "local": "2025-03-25T06:26:21+05:30", "utc": "2025-03-25T00:56:21Z", "ms": 1742864180580.204 }, "end": { "local": "2025-03-25T06:26:21+05:30", "utc": "2025-03-25T00:56:21Z", "ms": 1742864180580.204 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-03-26", "window": { "start": { "local": "2025-03-26T06:25:22+05:30", "utc": "2025-03-26T00:55:22Z", "ms": 1742950522053.4531 }, "end": { "local": "2025-03-26T06:25:22+05:30", "utc": "2025-03-26T00:55:22Z", "ms": 1742950522053.4531 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:06 on Tue 25 Mar to 03:46 on Wed 26 Mar.", "fact": "2025-03-24T23:35:41Z → 2025-03-25T22:15:58Z" }, { "step": "kaala", "text": "Sunrise is at 06:26 on the 25th and 06:25 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 4840 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Ujjain, 2025: Tuesday 25 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": "2025-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-25", "confidence": "determinate" } ], "quote": "In Ujjain, Pāpamocanī Ekādaśī 2025 falls on Tuesday 25 March. Ekādaśī runs from 05:06 on Tue 25 Mar to 03:46 on Wed 26 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-03-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/pradosha-vrata?on=2025-03-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10188, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-03-27T01:43:18+05:30", "utc": "2025-03-26T20:13:18Z", "ms": 1743019997947.4912 }, "end": { "local": "2025-03-27T23:03:55+05:30", "utc": "2025-03-27T17:33:55Z", "ms": 1743096834933.2834 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-03-27T01:43:18+05:30", "utc": "2025-03-26T20:13:18Z", "ms": 1743019997947.4912 }, "end": { "local": "2025-03-27T23:03:55+05:30", "utc": "2025-03-27T17:33:55Z", "ms": 1743096834933.2834 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-03-26", "window": { "start": { "local": "2025-03-26T18:40:01+05:30", "utc": "2025-03-26T13:10:01Z", "ms": 1742994600589.4548 }, "end": { "local": "2025-03-26T20:13:56+05:30", "utc": "2025-03-26T14:43:56Z", "ms": 1743000235654.313 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2025-03-27", "window": { "start": { "local": "2025-03-27T18:40:23+05:30", "utc": "2025-03-27T13:10:23Z", "ms": 1743081022972.189 }, "end": { "local": "2025-03-27T20:14:07+05:30", "utc": "2025-03-27T14:44:07Z", "ms": 1743086647265.4512 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:43 on Thu 27 Mar to 23:04 on Thu 27 Mar.", "fact": "2025-03-26T20:13:18Z → 2025-03-27T17:33:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–20:14 on the 26th, 18:40–20:14 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 94 minutes on the 26th and 94 of 94 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 10188 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2025: Thursday 27 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": "2025-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-27", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2025 falls on Thursday 27 March. Trayodaśī runs from 01:43 on Thu 27 Mar to 23:04 on Thu 27 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-03-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/shivaratri?on=2025-03-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3839, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-03-27T23:03:55+05:30", "utc": "2025-03-27T17:33:55Z", "ms": 1743096834933.2834 }, "end": { "local": "2025-03-28T19:55:45+05:30", "utc": "2025-03-28T14:25:45Z", "ms": 1743171944924.6125 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-03-27T23:03:55+05:30", "utc": "2025-03-27T17:33:55Z", "ms": 1743096834933.2834 }, "end": { "local": "2025-03-28T19:55:45+05:30", "utc": "2025-03-28T14:25:45Z", "ms": 1743171944924.6125 } }, "kaala": "nishita", "days": [ { "local_date": "2025-03-27", "window": { "start": { "local": "2025-03-28T00:07:54+05:30", "utc": "2025-03-27T18:37:54Z", "ms": 1743100674071.922 }, "end": { "local": "2025-03-28T00:55:54+05:30", "utc": "2025-03-27T19:25:54Z", "ms": 1743103554071.922 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-03-28", "window": { "start": { "local": "2025-03-29T00:07:36+05:30", "utc": "2025-03-28T18:37:36Z", "ms": 1743187056097.9429 }, "end": { "local": "2025-03-29T00:55:36+05:30", "utc": "2025-03-28T19:25:36Z", "ms": 1743189936097.9429 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:04 on Thu 27 Mar to 19:56 on Fri 28 Mar.", "fact": "2025-03-27T17:33:55Z → 2025-03-28T14:25:45Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:08–00:56 on the 27th, 00:08–00:56 on the 28th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3839 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2025: Thursday 27 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": "2025-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-27", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2025 falls on Thursday 27 March. Caturdaśī runs from 23:04 on Thu 27 Mar to 19:56 on Fri 28 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2025/shivaratri?on=2025-03-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 341, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2025-03-29T16:27:50+05:30", "utc": "2025-03-29T10:57:50Z", "ms": 1743245869919.1665 }, "end": { "local": "2025-03-30T12:49:49+05:30", "utc": "2025-03-30T07:19:49Z", "ms": 1743319188633.197 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-03-29T16:27:50+05:30", "utc": "2025-03-29T10:57:50Z", "ms": 1743245869919.1665 }, "end": { "local": "2025-03-30T12:49:49+05:30", "utc": "2025-03-30T07:19:49Z", "ms": 1743319188633.197 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-03-29", "window": { "start": { "local": "2025-03-29T12:07:47+05:30", "utc": "2025-03-29T06:37:47Z", "ms": 1743230267270.6963 }, "end": { "local": "2025-03-29T12:55:47+05:30", "utc": "2025-03-29T07:25:47Z", "ms": 1743233147270.6963 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-03-30", "window": { "start": { "local": "2025-03-30T12:07:29+05:30", "utc": "2025-03-30T06:37:29Z", "ms": 1743316649345.7068 }, "end": { "local": "2025-03-30T12:55:29+05:30", "utc": "2025-03-30T07:25:29Z", "ms": 1743319529345.7068 } }, "covered_min": 42, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 16:28 on Sat 29 Mar to 12:50 on Sun 30 Mar.", "fact": "2025-03-29T10:57:50Z → 2025-03-30T07:19:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 29th, 12:07–12:55 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 42 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 341 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Ujjain, 2025: Sunday 30 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": "2025-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-30", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-03-30" ], "statement": "Principal festivals, 2024-25", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Navarātrārambha (Caitra) (Chaitra Navratri) 2025 falls on Sunday 30 March. Pratipadā runs from 16:28 on Sat 29 Mar to 12:50 on Sun 30 Mar and covers 42 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10538, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2025-03-31T09:11:33+05:30", "utc": "2025-03-31T03:41:33Z", "ms": 1743392493257.2764 }, "end": { "local": "2025-04-01T05:42:49+05:30", "utc": "2025-04-01T00:12:49Z", "ms": 1743466369125.4094 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-03-31T09:11:33+05:30", "utc": "2025-03-31T03:41:33Z", "ms": 1743392493257.2764 }, "end": { "local": "2025-04-01T05:42:49+05:30", "utc": "2025-04-01T00:12:49Z", "ms": 1743466369125.4094 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-03-31", "window": { "start": { "local": "2025-03-31T12:07:11+05:30", "utc": "2025-03-31T06:37:11Z", "ms": 1743403031491.4766 }, "end": { "local": "2025-03-31T12:55:11+05:30", "utc": "2025-03-31T07:25:11Z", "ms": 1743405911491.4766 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-04-01", "window": { "start": { "local": "2025-04-01T12:06:54+05:30", "utc": "2025-04-01T06:36:54Z", "ms": 1743489413722.6565 }, "end": { "local": "2025-04-01T12:54:54+05:30", "utc": "2025-04-01T07:24:54Z", "ms": 1743492293722.6565 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:12 on Mon 31 Mar to 05:43 on Tue 1 Apr.", "fact": "2025-03-31T03:41:33Z → 2025-04-01T00:12:49Z" }, { "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": "Tṛtīyā 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: unstated → only-day · margin 10538 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Ujjain, 2025: Monday 31 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": "2025-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-31", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-03-31" ], "statement": "Principal festivals, 2024-25", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Gaurī Tṛtīyā (Gangaur) 2025 falls on Monday 31 March. Tṛtīyā runs from 09:12 on Mon 31 Mar to 05:43 on Tue 1 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10538, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2025-03-31T09:11:33+05:30", "utc": "2025-03-31T03:41:33Z", "ms": 1743392493257.2764 }, "end": { "local": "2025-04-01T05:42:49+05:30", "utc": "2025-04-01T00:12:49Z", "ms": 1743466369125.4094 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-03-31T09:11:33+05:30", "utc": "2025-03-31T03:41:33Z", "ms": 1743392493257.2764 }, "end": { "local": "2025-04-01T05:42:49+05:30", "utc": "2025-04-01T00:12:49Z", "ms": 1743466369125.4094 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-03-31", "window": { "start": { "local": "2025-03-31T12:07:11+05:30", "utc": "2025-03-31T06:37:11Z", "ms": 1743403031491.4766 }, "end": { "local": "2025-03-31T12:55:11+05:30", "utc": "2025-03-31T07:25:11Z", "ms": 1743405911491.4766 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-04-01", "window": { "start": { "local": "2025-04-01T12:06:54+05:30", "utc": "2025-04-01T06:36:54Z", "ms": 1743489413722.6565 }, "end": { "local": "2025-04-01T12:54:54+05:30", "utc": "2025-04-01T07:24:54Z", "ms": 1743492293722.6565 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 09:12 on Mon 31 Mar to 05:43 on Tue 1 Apr.", "fact": "2025-03-31T03:41:33Z → 2025-04-01T00:12:49Z" }, { "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": "Tṛtīyā 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 10538 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Ujjain, 2025: Monday 31 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": "2025-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-03-31", "confidence": "determinate" } ], "quote": "In Ujjain, Saubhāgya Śayana Vrata 2025 falls on Monday 31 March. Tṛtīyā runs from 09:12 on Mon 31 Mar to 05:43 on Tue 1 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/vinayaka-chaturthi?on=2025-04-01", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23045, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-04-01T05:42:49+05:30", "utc": "2025-04-01T00:12:49Z", "ms": 1743466369125.4094 }, "end": { "local": "2025-04-02T02:32:54+05:30", "utc": "2025-04-01T21:02:54Z", "ms": 1743541373914.0742 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-04-01T05:42:49+05:30", "utc": "2025-04-01T00:12:49Z", "ms": 1743466369125.4094 }, "end": { "local": "2025-04-02T02:32:54+05:30", "utc": "2025-04-01T21:02:54Z", "ms": 1743541373914.0742 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-04-01", "window": { "start": { "local": "2025-04-01T12:06:54+05:30", "utc": "2025-04-01T06:36:54Z", "ms": 1743489413722.6565 }, "end": { "local": "2025-04-01T12:54:54+05:30", "utc": "2025-04-01T07:24:54Z", "ms": 1743492293722.6565 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-04-02", "window": { "start": { "local": "2025-04-02T12:06:36+05:30", "utc": "2025-04-02T06:36:36Z", "ms": 1743575796054.405 }, "end": { "local": "2025-04-02T12:54:36+05:30", "utc": "2025-04-02T07:24:36Z", "ms": 1743578676054.405 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:43 on Tue 1 Apr to 02:33 on Wed 2 Apr.", "fact": "2025-04-01T00:12:49Z → 2025-04-01T21:02:54Z" }, { "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": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23045 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2025: Tuesday 1 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": "2025-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-01", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2025 falls on Tuesday 1 April. Caturthī runs from 05:43 on Tue 1 Apr to 02:33 on Wed 2 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/vinayaka-chaturthi?on=2025-04-01", "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/2025/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34422, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2025-04-02T02:32:54+05:30", "utc": "2025-04-01T21:02:54Z", "ms": 1743541373914.0742 }, "end": { "local": "2025-04-02T23:50:14+05:30", "utc": "2025-04-02T18:20:14Z", "ms": 1743618013631.3752 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-04-02T02:32:54+05:30", "utc": "2025-04-01T21:02:54Z", "ms": 1743541373914.0742 }, "end": { "local": "2025-04-02T23:50:14+05:30", "utc": "2025-04-02T18:20:14Z", "ms": 1743618013631.3752 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-04-02", "window": { "start": { "local": "2025-04-02T12:06:36+05:30", "utc": "2025-04-02T06:36:36Z", "ms": 1743575796054.405 }, "end": { "local": "2025-04-02T12:54:36+05:30", "utc": "2025-04-02T07:24:36Z", "ms": 1743578676054.405 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-04-03", "window": { "start": { "local": "2025-04-03T12:06:19+05:30", "utc": "2025-04-03T06:36:19Z", "ms": 1743662178502.761 }, "end": { "local": "2025-04-03T12:54:19+05:30", "utc": "2025-04-03T07:24:19Z", "ms": 1743665058502.761 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 02:33 on Wed 2 Apr to 23:50 on Wed 2 Apr.", "fact": "2025-04-01T21:02:54Z → 2025-04-02T18:20:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 2nd, 12:06–12:54 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34422 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Ujjain, 2025: Wednesday 2 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-02", "confidence": "determinate" } ], "quote": "In Ujjain, Lakṣmī Pañcamī 2025 falls on Wednesday 2 April. Pañcamī runs from 02:33 on Wed 2 Apr to 23:50 on Wed 2 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23595, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2025-04-04T20:13:11+05:30", "utc": "2025-04-04T14:43:11Z", "ms": 1743777790957.0667 }, "end": { "local": "2025-04-05T19:26:59+05:30", "utc": "2025-04-05T13:56:59Z", "ms": 1743861418876.76 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-04-04T20:13:11+05:30", "utc": "2025-04-04T14:43:11Z", "ms": 1743777790957.0667 }, "end": { "local": "2025-04-05T19:26:59+05:30", "utc": "2025-04-05T13:56:59Z", "ms": 1743861418876.76 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-04-04", "window": { "start": { "local": "2025-04-04T12:06:01+05:30", "utc": "2025-04-04T06:36:01Z", "ms": 1743748561084.6812 }, "end": { "local": "2025-04-04T12:54:01+05:30", "utc": "2025-04-04T07:24:01Z", "ms": 1743751441084.6812 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-04-05", "window": { "start": { "local": "2025-04-05T12:05:44+05:30", "utc": "2025-04-05T06:35:44Z", "ms": 1743834943818.0103 }, "end": { "local": "2025-04-05T12:53:44+05:30", "utc": "2025-04-05T07:23:44Z", "ms": 1743837823818.0103 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 20:13 on Fri 4 Apr to 19:27 on Sat 5 Apr.", "fact": "2025-04-04T14:43:11Z → 2025-04-05T13:56:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 4th, 12:06–12:54 on the 5th.", "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 4th and 48 of 48 on the 5th.", "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 23595 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Ujjain, 2025: Saturday 5 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-05", "confidence": "determinate" } ], "quote": "In Ujjain, Bhavānī Utpatti 2025 falls on Saturday 5 April. Aṣṭamī runs from 20:13 on Fri 4 Apr to 19:27 on Sat 5 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23408, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2025-04-05T19:26:59+05:30", "utc": "2025-04-05T13:56:59Z", "ms": 1743861418876.76 }, "end": { "local": "2025-04-06T19:23:35+05:30", "utc": "2025-04-06T13:53:35Z", "ms": 1743947615031.1277 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-04-05T19:26:59+05:30", "utc": "2025-04-05T13:56:59Z", "ms": 1743861418876.76 }, "end": { "local": "2025-04-06T19:23:35+05:30", "utc": "2025-04-06T13:53:35Z", "ms": 1743947615031.1277 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-04-05", "window": { "start": { "local": "2025-04-05T12:05:44+05:30", "utc": "2025-04-05T06:35:44Z", "ms": 1743834943818.0103 }, "end": { "local": "2025-04-05T12:53:44+05:30", "utc": "2025-04-05T07:23:44Z", "ms": 1743837823818.0103 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-04-06", "window": { "start": { "local": "2025-04-06T12:05:27+05:30", "utc": "2025-04-06T06:35:27Z", "ms": 1743921326721.308 }, "end": { "local": "2025-04-06T12:53:27+05:30", "utc": "2025-04-06T07:23:27Z", "ms": 1743924206721.308 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 19:27 on Sat 5 Apr to 19:24 on Sun 6 Apr.", "fact": "2025-04-05T13:56:59Z → 2025-04-06T13:53:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 5th, 12:05–12:53 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23408 s" }, { "step": "ruling", "text": "Rāma Navamī, Ujjain, 2025: Sunday 6 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-06", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-04-06" ], "statement": "Principal festivals, 2024-25", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Rāma Navamī 2025 falls on Sunday 6 April. Navamī runs from 19:27 on Sat 5 Apr to 19:24 on Sun 6 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/ekadashi?on=2025-04-08", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32308, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-04-07T20:00:38+05:30", "utc": "2025-04-07T14:30:38Z", "ms": 1744036237885.8823 }, "end": { "local": "2025-04-08T21:13:30+05:30", "utc": "2025-04-08T15:43:30Z", "ms": 1744127009925.3682 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-04-07T20:00:38+05:30", "utc": "2025-04-07T14:30:38Z", "ms": 1744036237885.8823 }, "end": { "local": "2025-04-08T21:13:30+05:30", "utc": "2025-04-08T15:43:30Z", "ms": 1744127009925.3682 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-04-08", "window": { "start": { "local": "2025-04-08T06:12:54+05:30", "utc": "2025-04-08T00:42:54Z", "ms": 1744072974069.9255 }, "end": { "local": "2025-04-08T06:12:54+05:30", "utc": "2025-04-08T00:42:54Z", "ms": 1744072974069.9255 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-04-09", "window": { "start": { "local": "2025-04-09T06:11:58+05:30", "utc": "2025-04-09T00:41:58Z", "ms": 1744159318352.7112 }, "end": { "local": "2025-04-09T06:11:58+05:30", "utc": "2025-04-09T00:41:58Z", "ms": 1744159318352.7112 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:01 on Mon 7 Apr to 21:13 on Tue 8 Apr.", "fact": "2025-04-07T14:30:38Z → 2025-04-08T15:43:30Z" }, { "step": "kaala", "text": "Sunrise is at 06:13 on the 8th and 06:12 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32308 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Ujjain, 2025: Tuesday 8 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": "2025-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-08", "confidence": "determinate" } ], "quote": "In Ujjain, Kāmadā Ekādaśī 2025 falls on Tuesday 8 April. Ekādaśī runs from 20:01 on Mon 7 Apr to 21:13 on Tue 8 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-04-08", "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/2025/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36203, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-04-09T22:56:00+05:30", "utc": "2025-04-09T17:26:00Z", "ms": 1744219559505.972 }, "end": { "local": "2025-04-11T01:01:11+05:30", "utc": "2025-04-10T19:31:11Z", "ms": 1744313470786.4968 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-04-09T22:56:00+05:30", "utc": "2025-04-09T17:26:00Z", "ms": 1744219559505.972 }, "end": { "local": "2025-04-11T01:01:11+05:30", "utc": "2025-04-10T19:31:11Z", "ms": 1744313470786.4968 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-04-09", "window": { "start": { "local": "2025-04-09T12:04:37+05:30", "utc": "2025-04-09T06:34:37Z", "ms": 1744180476643.2998 }, "end": { "local": "2025-04-09T12:52:37+05:30", "utc": "2025-04-09T07:22:37Z", "ms": 1744183356643.2998 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-04-10", "window": { "start": { "local": "2025-04-10T12:04:20+05:30", "utc": "2025-04-10T06:34:20Z", "ms": 1744266860419.8396 }, "end": { "local": "2025-04-10T12:52:20+05:30", "utc": "2025-04-10T07:22:20Z", "ms": 1744269740419.8396 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:56 on Wed 9 Apr to 01:01 on Fri 11 Apr.", "fact": "2025-04-09T17:26:00Z → 2025-04-10T19:31:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 9th, 12:04–12:52 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 36203 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Ujjain, 2025: Thursday 10 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-10", "confidence": "determinate" } ], "quote": "In Ujjain, Anaṅga Trayodaśī 2025 falls on Thursday 10 April. Trayodaśī runs from 22:56 on Wed 9 Apr to 01:01 on Fri 11 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/pradosha-vrata?on=2025-04-10", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9558, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-04-09T22:56:00+05:30", "utc": "2025-04-09T17:26:00Z", "ms": 1744219559505.972 }, "end": { "local": "2025-04-11T01:01:11+05:30", "utc": "2025-04-10T19:31:11Z", "ms": 1744313470786.4968 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-04-09T22:56:00+05:30", "utc": "2025-04-09T17:26:00Z", "ms": 1744219559505.972 }, "end": { "local": "2025-04-11T01:01:11+05:30", "utc": "2025-04-10T19:31:11Z", "ms": 1744313470786.4968 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-04-09", "window": { "start": { "local": "2025-04-09T18:45:15+05:30", "utc": "2025-04-09T13:15:15Z", "ms": 1744204514933.8884 }, "end": { "local": "2025-04-09T20:16:41+05:30", "utc": "2025-04-09T14:46:41Z", "ms": 1744210001345.753 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2025-04-10", "window": { "start": { "local": "2025-04-10T18:45:38+05:30", "utc": "2025-04-10T13:15:38Z", "ms": 1744290937816.8079 }, "end": { "local": "2025-04-10T20:16:54+05:30", "utc": "2025-04-10T14:46:54Z", "ms": 1744296413855.4822 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:56 on Wed 9 Apr to 01:01 on Fri 11 Apr.", "fact": "2025-04-09T17:26:00Z → 2025-04-10T19:31:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:45–20:17 on the 9th, 18:46–20:17 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 91 minutes on the 9th and 91 of 91 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 9558 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2025: Thursday 10 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": "2025-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-10", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2025 falls on Thursday 10 April. Trayodaśī runs from 22:56 on Wed 9 Apr to 01:01 on Fri 11 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-04-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31302, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-04-11T01:01:11+05:30", "utc": "2025-04-10T19:31:11Z", "ms": 1744313470786.4968 }, "end": { "local": "2025-04-12T03:22:07+05:30", "utc": "2025-04-11T21:52:07Z", "ms": 1744408327026.1328 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-04-11T01:01:11+05:30", "utc": "2025-04-10T19:31:11Z", "ms": 1744313470786.4968 }, "end": { "local": "2025-04-12T03:22:07+05:30", "utc": "2025-04-11T21:52:07Z", "ms": 1744408327026.1328 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-04-11", "window": { "start": { "local": "2025-04-11T12:04:04+05:30", "utc": "2025-04-11T06:34:04Z", "ms": 1744353244463.662 }, "end": { "local": "2025-04-11T12:52:04+05:30", "utc": "2025-04-11T07:22:04Z", "ms": 1744356124463.662 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-04-12", "window": { "start": { "local": "2025-04-12T12:03:49+05:30", "utc": "2025-04-12T06:33:49Z", "ms": 1744439628794.203 }, "end": { "local": "2025-04-12T12:51:49+05:30", "utc": "2025-04-12T07:21:49Z", "ms": 1744442508794.203 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:01 on Fri 11 Apr to 03:22 on Sat 12 Apr.", "fact": "2025-04-10T19:31:11Z → 2025-04-11T21:52:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 11th, 12:04–12:52 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31302 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Ujjain, 2025: Friday 11 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-11", "confidence": "determinate" } ], "quote": "In Ujjain, Viṣṇudamanaka Caturdaśī 2025 falls on Friday 11 April. Caturdaśī runs from 01:01 on Fri 11 Apr to 03:22 on Sat 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22278, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-04-12T03:22:07+05:30", "utc": "2025-04-11T21:52:07Z", "ms": 1744408327026.1328 }, "end": { "local": "2025-04-13T05:52:16+05:30", "utc": "2025-04-13T00:22:16Z", "ms": 1744503735620.1453 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2025-04-12T03:22:07+05:30", "utc": "2025-04-11T21:52:07Z", "ms": 1744408327026.1328 }, "end": { "local": "2025-04-13T05:52:16+05:30", "utc": "2025-04-13T00:22:16Z", "ms": 1744503735620.1453 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-04-12", "window": { "start": { "local": "2025-04-12T12:03:49+05:30", "utc": "2025-04-12T06:33:49Z", "ms": 1744439628794.203 }, "end": { "local": "2025-04-12T12:51:49+05:30", "utc": "2025-04-12T07:21:49Z", "ms": 1744442508794.203 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-04-13", "window": { "start": { "local": "2025-04-13T12:03:33+05:30", "utc": "2025-04-13T06:33:33Z", "ms": 1744526013430.6567 }, "end": { "local": "2025-04-13T12:51:33+05:30", "utc": "2025-04-13T07:21:33Z", "ms": 1744528893430.6567 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:22 on Sat 12 Apr to 05:52 on Sun 13 Apr.", "fact": "2025-04-11T21:52:07Z → 2025-04-13T00:22:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 12th, 12:04–12:52 on the 13th.", "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 12th and 0 of 48 on the 13th.", "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 22278 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Ujjain, 2025: Saturday 12 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": "2025-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-12", "confidence": "determinate" } ], "quote": "In Ujjain, Caitrī Pūrṇimā 2025 falls on Saturday 12 April. Pūrṇimā runs from 03:22 on Sat 12 Apr to 05:52 on Sun 13 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9961, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2025-04-14T03:21:25+05:30", "utc": "2025-04-13T21:51:25Z", "ms": 1744581085445.8945 }, "end": { "local": "2025-05-15T00:12:01+05:30", "utc": "2025-05-14T18:42:01Z", "ms": 1747248121302.0796 } }, "span": { "of": "transit", "start": { "local": "2025-04-14T03:21:25+05:30", "utc": "2025-04-13T21:51:25Z", "ms": 1744581085445.8945 }, "end": { "local": "2025-04-14T03:21:25+05:30", "utc": "2025-04-13T21:51:25Z", "ms": 1744581085445.8945 } }, "kaala": "day", "days": [ { "local_date": "2025-04-13", "window": { "start": { "local": "2025-04-13T06:08:20+05:30", "utc": "2025-04-13T00:38:20Z", "ms": 1744504699622.0366 }, "end": { "local": "2025-04-14T06:07:26+05:30", "utc": "2025-04-14T00:37:26Z", "ms": 1744591046105.8696 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "2025-04-14", "window": { "start": { "local": "2025-04-14T06:07:26+05:30", "utc": "2025-04-14T00:37:26Z", "ms": 1744591046105.8696 }, "end": { "local": "2025-04-15T06:06:33+05:30", "utc": "2025-04-15T00:36:33Z", "ms": 1744677393108.7695 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 03:21 on Mon 14 Apr.", "fact": "2025-04-13T21:51:25Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:08 on the 13th, and from 06:07 on the 14th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 9961 s" }, { "step": "ruling", "text": "Vaiśākhī, Ujjain, 2025: Sunday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2025-04-14", "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": "2025-04-14", "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": [ "2025-04-13" ], "statement": "Principal festivals, 2024-25", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Vaiśākhī (Baisakhi) 2025 falls on Sunday 13 April. The Sun enters Meṣa at 03:21 on Mon 14 Apr, and the rule counts the day from sunrise. Counted from midnight, or by the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/sankashta-chaturthi?on=2025-04-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26735, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-04-16T13:17:37+05:30", "utc": "2025-04-16T07:47:37Z", "ms": 1744789657495.8057 }, "end": { "local": "2025-04-17T15:23:54+05:30", "utc": "2025-04-17T09:53:54Z", "ms": 1744883634443.463 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-04-16T13:17:37+05:30", "utc": "2025-04-16T07:47:37Z", "ms": 1744789657495.8057 }, "end": { "local": "2025-04-17T15:23:54+05:30", "utc": "2025-04-17T09:53:54Z", "ms": 1744883634443.463 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-04-16", "window": { "start": { "local": "2025-04-16T21:53:50+05:30", "utc": "2025-04-16T16:23:50Z", "ms": 1744820629618.2053 }, "end": { "local": "2025-04-16T21:53:50+05:30", "utc": "2025-04-16T16:23:50Z", "ms": 1744820629618.2053 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-04-17", "window": { "start": { "local": "2025-04-17T22:49:29+05:30", "utc": "2025-04-17T17:19:29Z", "ms": 1744910369070.2666 }, "end": { "local": "2025-04-17T22:49:29+05:30", "utc": "2025-04-17T17:19:29Z", "ms": 1744910369070.2666 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:18 on Wed 16 Apr to 15:24 on Thu 17 Apr.", "fact": "2025-04-16T07:47:37Z → 2025-04-17T09:53:54Z" }, { "step": "kaala", "text": "Moonrise is at 21:54 on the 16th and 22:49 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26735 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2025: Wednesday 16 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": "2025-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-16", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2025 falls on Wednesday 16 April. Caturthī runs from 13:18 on Wed 16 Apr to 15:24 on Thu 17 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/sankashta-chaturthi?on=2025-04-16", "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/2025/ekadashi?on=2025-04-24", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30821, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-04-23T16:43:50+05:30", "utc": "2025-04-23T11:13:50Z", "ms": 1745406829564.5662 }, "end": { "local": "2025-04-24T14:32:45+05:30", "utc": "2025-04-24T09:02:45Z", "ms": 1745485365016.161 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-04-23T16:43:50+05:30", "utc": "2025-04-23T11:13:50Z", "ms": 1745406829564.5662 }, "end": { "local": "2025-04-24T14:32:45+05:30", "utc": "2025-04-24T09:02:45Z", "ms": 1745485365016.161 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-04-23", "window": { "start": { "local": "2025-04-23T05:59:51+05:30", "utc": "2025-04-23T00:29:51Z", "ms": 1745368190879.2505 }, "end": { "local": "2025-04-23T05:59:51+05:30", "utc": "2025-04-23T00:29:51Z", "ms": 1745368190879.2505 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-04-24", "window": { "start": { "local": "2025-04-24T05:59:04+05:30", "utc": "2025-04-24T00:29:04Z", "ms": 1745454543686.3865 }, "end": { "local": "2025-04-24T05:59:04+05:30", "utc": "2025-04-24T00:29:04Z", "ms": 1745454543686.3865 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:44 on Wed 23 Apr to 14:33 on Thu 24 Apr.", "fact": "2025-04-23T11:13:50Z → 2025-04-24T09:02:45Z" }, { "step": "kaala", "text": "Sunrise is at 06:00 on the 23rd and 05:59 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30821 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Ujjain, 2025: Thursday 24 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": "2025-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-24", "confidence": "determinate" } ], "quote": "In Ujjain, Varūthinī Ekādaśī 2025 falls on Thursday 24 April. Ekādaśī runs from 16:44 on Wed 23 Apr to 14:33 on Thu 24 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-04-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/pradosha-vrata?on=2025-04-25", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25590, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-04-25T11:45:11+05:30", "utc": "2025-04-25T06:15:11Z", "ms": 1745561711345.4272 }, "end": { "local": "2025-04-26T08:28:09+05:30", "utc": "2025-04-26T02:58:09Z", "ms": 1745636289090.2751 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-04-25T11:45:11+05:30", "utc": "2025-04-25T06:15:11Z", "ms": 1745561711345.4272 }, "end": { "local": "2025-04-26T08:28:09+05:30", "utc": "2025-04-26T02:58:09Z", "ms": 1745636289090.2751 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-04-25", "window": { "start": { "local": "2025-04-25T18:51:41+05:30", "utc": "2025-04-25T13:21:41Z", "ms": 1745587301256.6887 }, "end": { "local": "2025-04-25T20:20:28+05:30", "utc": "2025-04-25T14:50:28Z", "ms": 1745592627969.7827 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "2025-04-26", "window": { "start": { "local": "2025-04-26T18:52:07+05:30", "utc": "2025-04-26T13:22:07Z", "ms": 1745673727125.6174 }, "end": { "local": "2025-04-26T20:20:44+05:30", "utc": "2025-04-26T14:50:44Z", "ms": 1745679044409.3945 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:45 on Fri 25 Apr to 08:28 on Sat 26 Apr.", "fact": "2025-04-25T06:15:11Z → 2025-04-26T02:58:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:20 on the 25th, 18:52–20:21 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 89 of 89 minutes on the 25th and 0 of 89 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25590 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2025: Friday 25 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": "2025-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-25", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2025 falls on Friday 25 April. Trayodaśī runs from 11:45 on Fri 25 Apr to 08:28 on Sat 26 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-04-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/shivaratri?on=2025-04-26", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14507, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-04-26T08:28:09+05:30", "utc": "2025-04-26T02:58:09Z", "ms": 1745636289090.2751 }, "end": { "local": "2025-04-27T04:50:14+05:30", "utc": "2025-04-26T23:20:14Z", "ms": 1745709613939.135 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-04-26T08:28:09+05:30", "utc": "2025-04-26T02:58:09Z", "ms": 1745636289090.2751 }, "end": { "local": "2025-04-27T04:50:14+05:30", "utc": "2025-04-26T23:20:14Z", "ms": 1745709613939.135 } }, "kaala": "nishita", "days": [ { "local_date": "2025-04-25", "window": { "start": { "local": "2025-04-26T00:00:36+05:30", "utc": "2025-04-25T18:30:36Z", "ms": 1745605836430.791 }, "end": { "local": "2025-04-26T00:48:36+05:30", "utc": "2025-04-25T19:18:36Z", "ms": 1745608716430.791 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-04-26", "window": { "start": { "local": "2025-04-27T00:00:27+05:30", "utc": "2025-04-26T18:30:27Z", "ms": 1745692226939.7812 }, "end": { "local": "2025-04-27T00:48:27+05:30", "utc": "2025-04-26T19:18:27Z", "ms": 1745695106939.7812 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:28 on Sat 26 Apr to 04:50 on Sun 27 Apr.", "fact": "2025-04-26T02:58:09Z → 2025-04-26T23:20:14Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:01–00:49 on the 25th, 00:00–00:48 on the 26th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14507 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2025: Saturday 26 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": "2025-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-26", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2025 falls on Saturday 26 April. Caturdaśī runs from 08:28 on Sat 26 Apr to 04:50 on Sun 27 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2025/shivaratri?on=2025-04-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4911, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2025-04-29T17:31:35+05:30", "utc": "2025-04-29T12:01:35Z", "ms": 1745928095141.1643 }, "end": { "local": "2025-04-30T14:12:30+05:30", "utc": "2025-04-30T08:42:30Z", "ms": 1746002549924.7021 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-04-29T17:31:35+05:30", "utc": "2025-04-29T12:01:35Z", "ms": 1745928095141.1643 }, "end": { "local": "2025-04-30T14:12:30+05:30", "utc": "2025-04-30T08:42:30Z", "ms": 1746002549924.7021 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-04-29", "window": { "start": { "local": "2025-04-29T18:53:26+05:30", "utc": "2025-04-29T13:23:26Z", "ms": 1745933005940.4768 }, "end": { "local": "2025-04-29T20:21:35+05:30", "utc": "2025-04-29T14:51:35Z", "ms": 1745938295436.092 } }, "covered_min": 88, "window_min": 88, "qualifies": true }, { "local_date": "2025-04-30", "window": { "start": { "local": "2025-04-30T18:53:53+05:30", "utc": "2025-04-30T13:23:53Z", "ms": 1746019432586.0837 }, "end": { "local": "2025-04-30T20:21:53+05:30", "utc": "2025-04-30T14:51:53Z", "ms": 1746024712996.2285 } }, "covered_min": 0, "window_min": 88, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:32 on Tue 29 Apr to 14:12 on Wed 30 Apr.", "fact": "2025-04-29T12:01:35Z → 2025-04-30T08:42:30Z" }, { "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": "Tṛtīyā must be present during pradoṣa. It covers 88 of 88 minutes on the 29th and 0 of 88 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4911 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Ujjain, 2025: Tuesday 29 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": "2025-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-29", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-04-29" ], "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 2025 falls on Tuesday 29 April. Tṛtīyā runs from 17:32 on Tue 29 Apr to 14:12 on Wed 30 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14288, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2025-04-29T17:31:35+05:30", "utc": "2025-04-29T12:01:35Z", "ms": 1745928095141.1643 }, "end": { "local": "2025-04-30T14:12:30+05:30", "utc": "2025-04-30T08:42:30Z", "ms": 1746002549924.7021 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-04-29T17:31:35+05:30", "utc": "2025-04-29T12:01:35Z", "ms": 1745928095141.1643 }, "end": { "local": "2025-04-30T14:12:30+05:30", "utc": "2025-04-30T08:42:30Z", "ms": 1746002549924.7021 } }, "kaala": "purvahna", "days": [ { "local_date": "2025-04-29", "window": { "start": { "local": "2025-04-29T05:55:20+05:30", "utc": "2025-04-29T00:25:20Z", "ms": 1745886319514.9248 }, "end": { "local": "2025-04-29T10:14:42+05:30", "utc": "2025-04-29T04:44:42Z", "ms": 1745901881656.7754 } }, "covered_min": 0, "window_min": 259, "qualifies": false }, { "local_date": "2025-04-30", "window": { "start": { "local": "2025-04-30T05:54:37+05:30", "utc": "2025-04-30T00:24:37Z", "ms": 1745972677157.5918 }, "end": { "local": "2025-04-30T10:14:22+05:30", "utc": "2025-04-30T04:44:22Z", "ms": 1745988262300.4224 } }, "covered_min": 260, "window_min": 260, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:32 on Tue 29 Apr to 14:12 on Wed 30 Apr.", "fact": "2025-04-29T12:01:35Z → 2025-04-30T08:42:30Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:55–10:15 on the 29th, 05:55–10:14 on the 30th.", "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 259 minutes on the 29th and 260 of 260 on the 30th.", "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 14288 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Ujjain, 2025: Wednesday 30 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": "2025-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-04-30", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-04-30" ], "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) 2025 falls on Wednesday 30 April. Tṛtīyā runs from 17:32 on Tue 29 Apr to 14:12 on Wed 30 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2160, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2025-05-01T11:24:07+05:30", "utc": "2025-05-01T05:54:07Z", "ms": 1746078847213.6748 }, "end": { "local": "2025-05-02T09:15:12+05:30", "utc": "2025-05-02T03:45:12Z", "ms": 1746157511743.4177 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-01T11:24:07+05:30", "utc": "2025-05-01T05:54:07Z", "ms": 1746078847213.6748 }, "end": { "local": "2025-05-02T09:15:12+05:30", "utc": "2025-05-02T03:45:12Z", "ms": 1746157511743.4177 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-01", "window": { "start": { "local": "2025-05-01T12:00:08+05:30", "utc": "2025-05-01T06:30:08Z", "ms": 1746081007532.5552 }, "end": { "local": "2025-05-01T12:48:08+05:30", "utc": "2025-05-01T07:18:08Z", "ms": 1746083887532.5552 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-05-02", "window": { "start": { "local": "2025-05-02T12:00:01+05:30", "utc": "2025-05-02T06:30:01Z", "ms": 1746167400713.2622 }, "end": { "local": "2025-05-02T12:48:01+05:30", "utc": "2025-05-02T07:18:01Z", "ms": 1746170280713.2622 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:24 on Thu 1 May to 09:15 on Fri 2 May.", "fact": "2025-05-01T05:54:07Z → 2025-05-02T03:45:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 1st, 12:00–12:48 on the 2nd.", "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 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: unstated → only-day · margin 2160 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Ujjain, 2025: Thursday 1 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-01", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-05-02" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Śaṅkara Jayantī (Shankaracharya Jayanti) 2025 falls on Thursday 1 May. Pañcamī runs from 11:24 on Thu 1 May to 09:15 on Fri 2 May and covers all of madhyāhna that midday. Rashtriya Panchang recorded 2 May (Principal festivals, 2025-26).", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/vinayaka-chaturthi?on=2025-05-01", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2160, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-04-30T14:12:30+05:30", "utc": "2025-04-30T08:42:30Z", "ms": 1746002549924.7021 }, "end": { "local": "2025-05-01T11:24:07+05:30", "utc": "2025-05-01T05:54:07Z", "ms": 1746078847213.6748 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-04-30T14:12:30+05:30", "utc": "2025-04-30T08:42:30Z", "ms": 1746002549924.7021 }, "end": { "local": "2025-05-01T11:24:07+05:30", "utc": "2025-05-01T05:54:07Z", "ms": 1746078847213.6748 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-04-30", "window": { "start": { "local": "2025-04-30T12:00:15+05:30", "utc": "2025-04-30T06:30:15Z", "ms": 1745994614871.838 }, "end": { "local": "2025-04-30T12:48:15+05:30", "utc": "2025-04-30T07:18:15Z", "ms": 1745997494871.838 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-05-01", "window": { "start": { "local": "2025-05-01T12:00:08+05:30", "utc": "2025-05-01T06:30:08Z", "ms": 1746081007532.5552 }, "end": { "local": "2025-05-01T12:48:08+05:30", "utc": "2025-05-01T07:18:08Z", "ms": 1746083887532.5552 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:12 on Wed 30 Apr to 11:24 on Thu 1 May.", "fact": "2025-04-30T08:42:30Z → 2025-05-01T05:54:07Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 0 of 48 on the 1st.", "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 2160 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2025: Thursday 1 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": "2025-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-01", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2025 falls on Thursday 1 May. Caturthī runs from 14:12 on Wed 30 Apr to 11:24 on Thu 1 May, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/ujjain/festivals/2025/vinayaka-chaturthi?on=2025-05-01", "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/2025/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14851, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2025-05-03T07:52:23+05:30", "utc": "2025-05-03T02:22:23Z", "ms": 1746238943128.5068 }, "end": { "local": "2025-05-04T07:19:24+05:30", "utc": "2025-05-04T01:49:24Z", "ms": 1746323364037.116 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-03T07:52:23+05:30", "utc": "2025-05-03T02:22:23Z", "ms": 1746238943128.5068 }, "end": { "local": "2025-05-04T07:19:24+05:30", "utc": "2025-05-04T01:49:24Z", "ms": 1746323364037.116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-03", "window": { "start": { "local": "2025-05-03T11:59:54+05:30", "utc": "2025-05-03T06:29:54Z", "ms": 1746253794418.252 }, "end": { "local": "2025-05-03T12:47:54+05:30", "utc": "2025-05-03T07:17:54Z", "ms": 1746256674418.252 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-05-04", "window": { "start": { "local": "2025-05-04T11:59:49+05:30", "utc": "2025-05-04T06:29:49Z", "ms": 1746340188652.206 }, "end": { "local": "2025-05-04T12:47:49+05:30", "utc": "2025-05-04T07:17:49Z", "ms": 1746343068652.206 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 07:52 on Sat 3 May to 07:19 on Sun 4 May.", "fact": "2025-05-03T02:22:23Z → 2025-05-04T01:49:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 3rd, 12:00–12:48 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14851 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Ujjain, 2025: Saturday 3 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-03", "confidence": "determinate" } ], "quote": "In Ujjain, Gaṅgotpatti (Ganga Saptami) 2025 falls on Saturday 3 May. Saptamī runs from 07:52 on Sat 3 May to 07:19 on Sun 4 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/ekadashi?on=2025-05-08", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16211, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-05-07T10:20:16+05:30", "utc": "2025-05-07T04:50:16Z", "ms": 1746593416386.5564 }, "end": { "local": "2025-05-08T12:29:48+05:30", "utc": "2025-05-08T06:59:48Z", "ms": 1746687587954.6504 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-07T10:20:16+05:30", "utc": "2025-05-07T04:50:16Z", "ms": 1746593416386.5564 }, "end": { "local": "2025-05-08T12:29:48+05:30", "utc": "2025-05-08T06:59:48Z", "ms": 1746687587954.6504 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-05-07", "window": { "start": { "local": "2025-05-07T05:50:06+05:30", "utc": "2025-05-07T00:20:06Z", "ms": 1746577205718.3044 }, "end": { "local": "2025-05-07T05:50:06+05:30", "utc": "2025-05-07T00:20:06Z", "ms": 1746577205718.3044 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-05-08", "window": { "start": { "local": "2025-05-08T05:49:31+05:30", "utc": "2025-05-08T00:19:31Z", "ms": 1746663570726.9456 }, "end": { "local": "2025-05-08T05:49:31+05:30", "utc": "2025-05-08T00:19:31Z", "ms": 1746663570726.9456 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:20 on Wed 7 May to 12:30 on Thu 8 May.", "fact": "2025-05-07T04:50:16Z → 2025-05-08T06:59:48Z" }, { "step": "kaala", "text": "Sunrise is at 05:50 on the 7th and 05:50 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 7th and is 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 16211 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Ujjain, 2025: Thursday 8 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": "2025-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-08", "confidence": "determinate" } ], "quote": "In Ujjain, Mohinī Ekādaśī 2025 falls on Thursday 8 May. Ekādaśī runs from 10:20 on Wed 7 May to 12:30 on Thu 8 May and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-05-08", "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/2025/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1063, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2025-05-08T12:29:48+05:30", "utc": "2025-05-08T06:59:48Z", "ms": 1746687587954.6504 }, "end": { "local": "2025-05-09T14:56:39+05:30", "utc": "2025-05-09T09:26:39Z", "ms": 1746782799435.0583 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-08T12:29:48+05:30", "utc": "2025-05-08T06:59:48Z", "ms": 1746687587954.6504 }, "end": { "local": "2025-05-09T14:56:39+05:30", "utc": "2025-05-09T09:26:39Z", "ms": 1746782799435.0583 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-08", "window": { "start": { "local": "2025-05-08T11:59:31+05:30", "utc": "2025-05-08T06:29:31Z", "ms": 1746685770978.0996 }, "end": { "local": "2025-05-08T12:47:31+05:30", "utc": "2025-05-08T07:17:31Z", "ms": 1746688650978.0996 } }, "covered_min": 18, "window_min": 48, "qualifies": true }, { "local_date": "2025-05-09", "window": { "start": { "local": "2025-05-09T11:59:28+05:30", "utc": "2025-05-09T06:29:28Z", "ms": 1746772167931.3174 }, "end": { "local": "2025-05-09T12:47:28+05:30", "utc": "2025-05-09T07:17:28Z", "ms": 1746775047931.3174 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 12:30 on Thu 8 May to 14:57 on Fri 9 May.", "fact": "2025-05-08T06:59:48Z → 2025-05-09T09:26:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 8th, 11:59–12:47 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 18 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 1063 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Ujjain, 2025: Thursday 8 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-08", "confidence": "determinate" } ], "quote": "In Ujjain, Paraśurāma Dvādaśī 2025 falls on Thursday 8 May. Dvādaśī runs from 12:30 on Thu 8 May to 14:57 on Fri 9 May and covers 18 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1063, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2025-05-08T12:29:48+05:30", "utc": "2025-05-08T06:59:48Z", "ms": 1746687587954.6504 }, "end": { "local": "2025-05-09T14:56:39+05:30", "utc": "2025-05-09T09:26:39Z", "ms": 1746782799435.0583 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-08T12:29:48+05:30", "utc": "2025-05-08T06:59:48Z", "ms": 1746687587954.6504 }, "end": { "local": "2025-05-09T14:56:39+05:30", "utc": "2025-05-09T09:26:39Z", "ms": 1746782799435.0583 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-08", "window": { "start": { "local": "2025-05-08T11:59:31+05:30", "utc": "2025-05-08T06:29:31Z", "ms": 1746685770978.0996 }, "end": { "local": "2025-05-08T12:47:31+05:30", "utc": "2025-05-08T07:17:31Z", "ms": 1746688650978.0996 } }, "covered_min": 18, "window_min": 48, "qualifies": true }, { "local_date": "2025-05-09", "window": { "start": { "local": "2025-05-09T11:59:28+05:30", "utc": "2025-05-09T06:29:28Z", "ms": 1746772167931.3174 }, "end": { "local": "2025-05-09T12:47:28+05:30", "utc": "2025-05-09T07:17:28Z", "ms": 1746775047931.3174 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 12:30 on Thu 8 May to 14:57 on Fri 9 May.", "fact": "2025-05-08T06:59:48Z → 2025-05-09T09:26:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 8th, 11:59–12:47 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 18 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 1063 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Ujjain, 2025: Thursday 8 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-08", "confidence": "determinate" } ], "quote": "In Ujjain, Rukmiṇī Dvādaśī 2025 falls on Thursday 8 May. Dvādaśī runs from 12:30 on Thu 8 May to 14:57 on Fri 9 May and covers 18 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/pradosha-vrata?on=2025-05-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5281, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-05-09T14:56:39+05:30", "utc": "2025-05-09T09:26:39Z", "ms": 1746782799435.0583 }, "end": { "local": "2025-05-10T17:30:26+05:30", "utc": "2025-05-10T12:00:26Z", "ms": 1746878426248.5435 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-09T14:56:39+05:30", "utc": "2025-05-09T09:26:39Z", "ms": 1746782799435.0583 }, "end": { "local": "2025-05-10T17:30:26+05:30", "utc": "2025-05-10T12:00:26Z", "ms": 1746878426248.5435 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-05-09", "window": { "start": { "local": "2025-05-09T18:57:59+05:30", "utc": "2025-05-09T13:27:59Z", "ms": 1746797279129.1008 }, "end": { "local": "2025-05-09T20:24:42+05:30", "utc": "2025-05-09T14:54:42Z", "ms": 1746802482412.5073 } }, "covered_min": 87, "window_min": 87, "qualifies": true }, { "local_date": "2025-05-10", "window": { "start": { "local": "2025-05-10T18:58:27+05:30", "utc": "2025-05-10T13:28:27Z", "ms": 1746883707129.0613 }, "end": { "local": "2025-05-10T20:25:02+05:30", "utc": "2025-05-10T14:55:02Z", "ms": 1746888902419.385 } }, "covered_min": 0, "window_min": 87, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:57 on Fri 9 May to 17:30 on Sat 10 May.", "fact": "2025-05-09T09:26:39Z → 2025-05-10T12:00:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:25 on the 9th, 18:58–20:25 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 87 of 87 minutes on the 9th and 0 of 87 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 5281 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2025: Friday 9 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": "2025-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-09", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2025 falls on Friday 9 May. Trayodaśī runs from 14:57 on Fri 9 May to 17:30 on Sat 10 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-05-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1378, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-05-10T17:30:26+05:30", "utc": "2025-05-10T12:00:26Z", "ms": 1746878426248.5435 }, "end": { "local": "2025-05-11T20:02:25+05:30", "utc": "2025-05-11T14:32:25Z", "ms": 1746973944728.392 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-10T17:30:26+05:30", "utc": "2025-05-10T12:00:26Z", "ms": 1746878426248.5435 }, "end": { "local": "2025-05-11T20:02:25+05:30", "utc": "2025-05-11T14:32:25Z", "ms": 1746973944728.392 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-05-10", "window": { "start": { "local": "2025-05-10T18:58:27+05:30", "utc": "2025-05-10T13:28:27Z", "ms": 1746883707129.0613 }, "end": { "local": "2025-05-10T20:25:02+05:30", "utc": "2025-05-10T14:55:02Z", "ms": 1746888902419.385 } }, "covered_min": 87, "window_min": 87, "qualifies": true }, { "local_date": "2025-05-11", "window": { "start": { "local": "2025-05-11T18:58:55+05:30", "utc": "2025-05-11T13:28:55Z", "ms": 1746970135220.006 }, "end": { "local": "2025-05-11T20:25:23+05:30", "utc": "2025-05-11T14:55:23Z", "ms": 1746975322644.6497 } }, "covered_min": 63, "window_min": 86, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:30 on Sat 10 May to 20:02 on Sun 11 May.", "fact": "2025-05-10T12:00:26Z → 2025-05-11T14:32:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:25 on the 10th, 18:59–20:25 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 87 of 87 minutes on the 10th and 63 of 86 on the 11th.", "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 1378 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Ujjain, 2025: Sunday 11 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "nrisimha-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')." } ], "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.", "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-11", "confidence": "determinate" } ], "quote": "In Ujjain, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2025 falls on Sunday 11 May. Caturdaśī runs from 17:30 on Sat 10 May to 20:02 on Sun 11 May and covers 63 of 86 minutes of pradoṣa that evening. It also reaches the previous evening for 87 minutes; by the rule the second evening is taken.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26101, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-05-11T20:02:25+05:30", "utc": "2025-05-11T14:32:25Z", "ms": 1746973944728.392 }, "end": { "local": "2025-05-12T22:25:56+05:30", "utc": "2025-05-12T16:55:56Z", "ms": 1747068956327.4753 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-11T20:02:25+05:30", "utc": "2025-05-11T14:32:25Z", "ms": 1746973944728.392 }, "end": { "local": "2025-05-12T22:25:56+05:30", "utc": "2025-05-12T16:55:56Z", "ms": 1747068956327.4753 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-11", "window": { "start": { "local": "2025-05-11T11:59:24+05:30", "utc": "2025-05-11T06:29:24Z", "ms": 1746944963513.248 }, "end": { "local": "2025-05-11T12:47:24+05:30", "utc": "2025-05-11T07:17:24Z", "ms": 1746947843513.248 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-05-12", "window": { "start": { "local": "2025-05-12T11:59:22+05:30", "utc": "2025-05-12T06:29:22Z", "ms": 1747031362148.4812 }, "end": { "local": "2025-05-12T12:47:22+05:30", "utc": "2025-05-12T07:17:22Z", "ms": 1747034242148.4812 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:02 on Sun 11 May to 22:26 on Mon 12 May.", "fact": "2025-05-11T14:32:25Z → 2025-05-12T16:55:56Z" }, { "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": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26101 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Ujjain, 2025: Monday 12 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": "2025-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-12", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-05-12" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Buddha Pūrṇimā (Vesak) 2025 falls on Monday 12 May. Pūrṇimā runs from 20:02 on Sun 11 May to 22:26 on Mon 12 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26101, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-05-11T20:02:25+05:30", "utc": "2025-05-11T14:32:25Z", "ms": 1746973944728.392 }, "end": { "local": "2025-05-12T22:25:56+05:30", "utc": "2025-05-12T16:55:56Z", "ms": 1747068956327.4753 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-11T20:02:25+05:30", "utc": "2025-05-11T14:32:25Z", "ms": 1746973944728.392 }, "end": { "local": "2025-05-12T22:25:56+05:30", "utc": "2025-05-12T16:55:56Z", "ms": 1747068956327.4753 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-11", "window": { "start": { "local": "2025-05-11T11:59:24+05:30", "utc": "2025-05-11T06:29:24Z", "ms": 1746944963513.248 }, "end": { "local": "2025-05-11T12:47:24+05:30", "utc": "2025-05-11T07:17:24Z", "ms": 1746947843513.248 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-05-12", "window": { "start": { "local": "2025-05-12T11:59:22+05:30", "utc": "2025-05-12T06:29:22Z", "ms": 1747031362148.4812 }, "end": { "local": "2025-05-12T12:47:22+05:30", "utc": "2025-05-12T07:17:22Z", "ms": 1747034242148.4812 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:02 on Sun 11 May to 22:26 on Mon 12 May.", "fact": "2025-05-11T14:32:25Z → 2025-05-12T16:55:56Z" }, { "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": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26101 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Ujjain, 2025: Monday 12 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": "2025-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-12", "confidence": "determinate" } ], "quote": "In Ujjain, Sampat Gaurī Vrata 2025 falls on Monday 12 May. Pūrṇimā runs from 20:02 on Sun 11 May to 22:26 on Mon 12 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/sankashta-chaturthi?on=2025-05-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23048, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-05-16T04:03:25+05:30", "utc": "2025-05-15T22:33:25Z", "ms": 1747348404536.092 }, "end": { "local": "2025-05-17T05:14:05+05:30", "utc": "2025-05-16T23:44:05Z", "ms": 1747439045031.0735 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-16T04:03:25+05:30", "utc": "2025-05-15T22:33:25Z", "ms": 1747348404536.092 }, "end": { "local": "2025-05-17T05:14:05+05:30", "utc": "2025-05-16T23:44:05Z", "ms": 1747439045031.0735 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-05-15", "window": { "start": { "local": "2025-05-15T21:39:17+05:30", "utc": "2025-05-15T16:09:17Z", "ms": 1747325356651.3855 }, "end": { "local": "2025-05-15T21:39:17+05:30", "utc": "2025-05-15T16:09:17Z", "ms": 1747325356651.3855 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-05-16", "window": { "start": { "local": "2025-05-16T22:31:39+05:30", "utc": "2025-05-16T17:01:39Z", "ms": 1747414899351.3782 }, "end": { "local": "2025-05-16T22:31:39+05:30", "utc": "2025-05-16T17:01:39Z", "ms": 1747414899351.3782 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:03 on Fri 16 May to 05:14 on Sat 17 May.", "fact": "2025-05-15T22:33:25Z → 2025-05-16T23:44:05Z" }, { "step": "kaala", "text": "Moonrise is at 21:39 on the 15th and 22:32 on the 16th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 15th and is on the 16th.", "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 23048 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2025: Friday 16 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": "2025-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-16", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2025 falls on Friday 16 May. Caturthī runs from 04:03 on Fri 16 May to 05:14 on Sat 17 May and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/sankashta-chaturthi?on=2025-05-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/ekadashi?on=2025-05-23", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16212, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-05-23T01:12:42+05:30", "utc": "2025-05-22T19:42:42Z", "ms": 1747942961686.9292 }, "end": { "local": "2025-05-23T22:30:15+05:30", "utc": "2025-05-23T17:00:15Z", "ms": 1748019614801.3076 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-23T01:12:42+05:30", "utc": "2025-05-22T19:42:42Z", "ms": 1747942961686.9292 }, "end": { "local": "2025-05-23T22:30:15+05:30", "utc": "2025-05-23T17:00:15Z", "ms": 1748019614801.3076 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-05-23", "window": { "start": { "local": "2025-05-23T05:42:54+05:30", "utc": "2025-05-23T00:12:54Z", "ms": 1747959173992.225 }, "end": { "local": "2025-05-23T05:42:54+05:30", "utc": "2025-05-23T00:12:54Z", "ms": 1747959173992.225 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-05-24", "window": { "start": { "local": "2025-05-24T05:42:37+05:30", "utc": "2025-05-24T00:12:37Z", "ms": 1748045556643.8213 }, "end": { "local": "2025-05-24T05:42:37+05:30", "utc": "2025-05-24T00:12:37Z", "ms": 1748045556643.8213 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:13 on Fri 23 May to 22:30 on Fri 23 May.", "fact": "2025-05-22T19:42:42Z → 2025-05-23T17:00:15Z" }, { "step": "kaala", "text": "Sunrise is at 05:43 on the 23rd and 05:43 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 16212 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Ujjain, 2025: Friday 23 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": "2025-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-23", "confidence": "determinate" } ], "quote": "In Ujjain, Aparā Ekādaśī 2025 falls on Friday 23 May. Ekādaśī runs from 01:13 on Fri 23 May to 22:30 on Fri 23 May and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-05-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/pradosha-vrata?on=2025-05-24", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 941, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-05-24T19:20:44+05:30", "utc": "2025-05-24T13:50:44Z", "ms": 1748094643577.1824 }, "end": { "local": "2025-05-25T15:51:41+05:30", "utc": "2025-05-25T10:21:41Z", "ms": 1748168501065.736 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-24T19:20:44+05:30", "utc": "2025-05-24T13:50:44Z", "ms": 1748094643577.1824 }, "end": { "local": "2025-05-25T15:51:41+05:30", "utc": "2025-05-25T10:21:41Z", "ms": 1748168501065.736 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-05-24", "window": { "start": { "local": "2025-05-24T19:05:03+05:30", "utc": "2025-05-24T13:35:03Z", "ms": 1748093702904.4946 }, "end": { "local": "2025-05-24T20:30:01+05:30", "utc": "2025-05-24T15:00:01Z", "ms": 1748098801247.033 } }, "covered_min": 69, "window_min": 85, "qualifies": true }, { "local_date": "2025-05-25", "window": { "start": { "local": "2025-05-25T19:05:31+05:30", "utc": "2025-05-25T13:35:31Z", "ms": 1748180130765.58 }, "end": { "local": "2025-05-25T20:30:23+05:30", "utc": "2025-05-25T15:00:23Z", "ms": 1748185223394.1282 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:21 on Sat 24 May to 15:52 on Sun 25 May.", "fact": "2025-05-24T13:50:44Z → 2025-05-25T10:21:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:05–20:30 on the 24th, 19:06–20:30 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 69 of 85 minutes on the 24th and 0 of 85 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 941 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2025: Saturday 24 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": "2025-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-24", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2025 falls on Saturday 24 May. Trayodaśī runs from 19:21 on Sat 24 May to 15:52 on Sun 25 May and covers 69 of 85 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-05-24", "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/2025/shivaratri?on=2025-05-25", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29287, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-05-25T15:51:41+05:30", "utc": "2025-05-25T10:21:41Z", "ms": 1748168501065.736 }, "end": { "local": "2025-05-26T12:12:11+05:30", "utc": "2025-05-26T06:42:11Z", "ms": 1748241730835.6147 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-25T15:51:41+05:30", "utc": "2025-05-25T10:21:41Z", "ms": 1748168501065.736 }, "end": { "local": "2025-05-26T12:12:11+05:30", "utc": "2025-05-26T06:42:11Z", "ms": 1748241730835.6147 } }, "kaala": "nishita", "days": [ { "local_date": "2025-05-25", "window": { "start": { "local": "2025-05-25T23:59:48+05:30", "utc": "2025-05-25T18:29:48Z", "ms": 1748197788122.6357 }, "end": { "local": "2025-05-26T00:47:48+05:30", "utc": "2025-05-25T19:17:48Z", "ms": 1748200668122.6357 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-05-26", "window": { "start": { "local": "2025-05-26T23:59:55+05:30", "utc": "2025-05-26T18:29:55Z", "ms": 1748284195052.6982 }, "end": { "local": "2025-05-27T00:47:55+05:30", "utc": "2025-05-26T19:17:55Z", "ms": 1748287075052.6982 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:52 on Sun 25 May to 12:12 on Mon 26 May.", "fact": "2025-05-25T10:21:41Z → 2025-05-26T06:42:11Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:00–00:48 on the 25th, 00:00–00:48 on the 26th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29287 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2025: Sunday 25 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": "2025-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-25", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2025 falls on Sunday 25 May. Caturdaśī runs from 15:52 on Sun 25 May to 12:12 on Mon 26 May and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2025/shivaratri?on=2025-05-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-05-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36330, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2025-05-29T01:54:54+05:30", "utc": "2025-05-28T20:24:54Z", "ms": 1748463893885.833 }, "end": { "local": "2025-05-29T23:18:36+05:30", "utc": "2025-05-29T17:48:36Z", "ms": 1748540915674.902 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-29T01:54:54+05:30", "utc": "2025-05-28T20:24:54Z", "ms": 1748463893885.833 }, "end": { "local": "2025-05-29T23:18:36+05:30", "utc": "2025-05-29T17:48:36Z", "ms": 1748540915674.902 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-29", "window": { "start": { "local": "2025-05-29T12:00:24+05:30", "utc": "2025-05-29T06:30:24Z", "ms": 1748500223804.5488 }, "end": { "local": "2025-05-29T12:48:24+05:30", "utc": "2025-05-29T07:18:24Z", "ms": 1748503103804.5488 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-05-30", "window": { "start": { "local": "2025-05-30T12:00:32+05:30", "utc": "2025-05-30T06:30:32Z", "ms": 1748586631957.5117 }, "end": { "local": "2025-05-30T12:48:32+05:30", "utc": "2025-05-30T07:18:32Z", "ms": 1748589511957.5117 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 01:55 on Thu 29 May to 23:19 on Thu 29 May.", "fact": "2025-05-28T20:24:54Z → 2025-05-29T17:48:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 29th, 12:01–12:49 on the 30th.", "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 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 36330 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Ujjain, 2025: Thursday 29 May.", "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": "2025-05-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-29", "confidence": "determinate" } ], "quote": "In Ujjain, Rambhā Tṛtīyā 2025 falls on Thursday 29 May. Tṛtīyā runs from 01:55 on Thu 29 May to 23:19 on Thu 29 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/vinayaka-chaturthi?on=2025-05-30", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30882, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-05-29T23:18:36+05:30", "utc": "2025-05-29T17:48:36Z", "ms": 1748540915674.902 }, "end": { "local": "2025-05-30T21:23:14+05:30", "utc": "2025-05-30T15:53:14Z", "ms": 1748620394150.939 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-29T23:18:36+05:30", "utc": "2025-05-29T17:48:36Z", "ms": 1748540915674.902 }, "end": { "local": "2025-05-30T21:23:14+05:30", "utc": "2025-05-30T15:53:14Z", "ms": 1748620394150.939 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-29", "window": { "start": { "local": "2025-05-29T12:00:24+05:30", "utc": "2025-05-29T06:30:24Z", "ms": 1748500223804.5488 }, "end": { "local": "2025-05-29T12:48:24+05:30", "utc": "2025-05-29T07:18:24Z", "ms": 1748503103804.5488 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-05-30", "window": { "start": { "local": "2025-05-30T12:00:32+05:30", "utc": "2025-05-30T06:30:32Z", "ms": 1748586631957.5117 }, "end": { "local": "2025-05-30T12:48:32+05:30", "utc": "2025-05-30T07:18:32Z", "ms": 1748589511957.5117 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:19 on Thu 29 May to 21:23 on Fri 30 May.", "fact": "2025-05-29T17:48:36Z → 2025-05-30T15:53:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 29th, 12:01–12:49 on the 30th.", "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 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30882 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2025: Friday 30 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": "2025-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-05-30", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2025 falls on Friday 30 May. Caturthī runs from 23:19 on Thu 29 May to 21:23 on Fri 30 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/vinayaka-chaturthi?on=2025-05-30", "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/2025/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-06-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25875, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2025-05-31T20:15:49+05:30", "utc": "2025-05-31T14:45:49Z", "ms": 1748702748992.398 }, "end": { "local": "2025-06-01T20:00:04+05:30", "utc": "2025-06-01T14:30:04Z", "ms": 1748788204121.3455 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-31T20:15:49+05:30", "utc": "2025-05-31T14:45:49Z", "ms": 1748702748992.398 }, "end": { "local": "2025-06-01T20:00:04+05:30", "utc": "2025-06-01T14:30:04Z", "ms": 1748788204121.3455 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-31", "window": { "start": { "local": "2025-05-31T12:00:41+05:30", "utc": "2025-05-31T06:30:41Z", "ms": 1748673040515.0642 }, "end": { "local": "2025-05-31T12:48:41+05:30", "utc": "2025-05-31T07:18:41Z", "ms": 1748675920515.0642 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-06-01", "window": { "start": { "local": "2025-06-01T12:00:49+05:30", "utc": "2025-06-01T06:30:49Z", "ms": 1748759449458.87 }, "end": { "local": "2025-06-01T12:48:49+05:30", "utc": "2025-06-01T07:18:49Z", "ms": 1748762329458.87 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:16 on Sat 31 May to 20:00 on Sun 1 Jun.", "fact": "2025-05-31T14:45:49Z → 2025-06-01T14:30:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 31st, 12:01–12:49 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25875 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Ujjain, 2025: Sunday 1 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": "2025-06-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-01", "confidence": "determinate" } ], "quote": "In Ujjain, Araṇya Gaurī Vrata 2025 falls on Sunday 1 June. Ṣaṣṭhī runs from 20:16 on Sat 31 May to 20:00 on Sun 1 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-06-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25875, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2025-05-31T20:15:49+05:30", "utc": "2025-05-31T14:45:49Z", "ms": 1748702748992.398 }, "end": { "local": "2025-06-01T20:00:04+05:30", "utc": "2025-06-01T14:30:04Z", "ms": 1748788204121.3455 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-05-31T20:15:49+05:30", "utc": "2025-05-31T14:45:49Z", "ms": 1748702748992.398 }, "end": { "local": "2025-06-01T20:00:04+05:30", "utc": "2025-06-01T14:30:04Z", "ms": 1748788204121.3455 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-05-31", "window": { "start": { "local": "2025-05-31T12:00:41+05:30", "utc": "2025-05-31T06:30:41Z", "ms": 1748673040515.0642 }, "end": { "local": "2025-05-31T12:48:41+05:30", "utc": "2025-05-31T07:18:41Z", "ms": 1748675920515.0642 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-06-01", "window": { "start": { "local": "2025-06-01T12:00:49+05:30", "utc": "2025-06-01T06:30:49Z", "ms": 1748759449458.87 }, "end": { "local": "2025-06-01T12:48:49+05:30", "utc": "2025-06-01T07:18:49Z", "ms": 1748762329458.87 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:16 on Sat 31 May to 20:00 on Sun 1 Jun.", "fact": "2025-05-31T14:45:49Z → 2025-06-01T14:30:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 31st, 12:01–12:49 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25875 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Ujjain, 2025: Sunday 1 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": "2025-06-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-01", "confidence": "determinate" } ], "quote": "In Ujjain, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2025 falls on Sunday 1 June. Ṣaṣṭhī runs from 20:16 on Sat 31 May to 20:00 on Sun 1 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/ekadashi?on=2025-06-06", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-06-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3124, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-06-06T02:16:29+05:30", "utc": "2025-06-05T20:46:29Z", "ms": 1749156388969.1968 }, "end": { "local": "2025-06-07T04:48:31+05:30", "utc": "2025-06-06T23:18:31Z", "ms": 1749251910926.6372 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-06T02:16:29+05:30", "utc": "2025-06-05T20:46:29Z", "ms": 1749156388969.1968 }, "end": { "local": "2025-06-07T04:48:31+05:30", "utc": "2025-06-06T23:18:31Z", "ms": 1749251910926.6372 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-06-06", "window": { "start": { "local": "2025-06-06T05:40:37+05:30", "utc": "2025-06-06T00:10:37Z", "ms": 1749168636509.0466 }, "end": { "local": "2025-06-06T05:40:37+05:30", "utc": "2025-06-06T00:10:37Z", "ms": 1749168636509.0466 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-06-07", "window": { "start": { "local": "2025-06-07T05:40:35+05:30", "utc": "2025-06-07T00:10:35Z", "ms": 1749255035142.7786 }, "end": { "local": "2025-06-07T05:40:35+05:30", "utc": "2025-06-07T00:10:35Z", "ms": 1749255035142.7786 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:16 on Fri 6 Jun to 04:49 on Sat 7 Jun.", "fact": "2025-06-05T20:46:29Z → 2025-06-06T23:18:31Z" }, { "step": "kaala", "text": "Sunrise is at 05:41 on the 6th and 05:41 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 3124 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Ujjain, 2025: Friday 6 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": "2025-06-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-06", "confidence": "determinate" } ], "quote": "In Ujjain, Nirjalā Ekādaśī 2025 falls on Friday 6 June. Ekādaśī runs from 02:16 on Fri 6 Jun to 04:49 on Sat 7 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-06-06", "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/2025/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-06-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17015, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2025-06-07T04:48:31+05:30", "utc": "2025-06-06T23:18:31Z", "ms": 1749251910926.6372 }, "end": { "local": "2025-06-08T07:18:27+05:30", "utc": "2025-06-08T01:48:27Z", "ms": 1749347306555.9917 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-07T04:48:31+05:30", "utc": "2025-06-06T23:18:31Z", "ms": 1749251910926.6372 }, "end": { "local": "2025-06-08T07:18:27+05:30", "utc": "2025-06-08T01:48:27Z", "ms": 1749347306555.9917 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-06-07", "window": { "start": { "local": "2025-06-07T12:01:50+05:30", "utc": "2025-06-07T06:31:50Z", "ms": 1749277910257.9111 }, "end": { "local": "2025-06-07T12:49:50+05:30", "utc": "2025-06-07T07:19:50Z", "ms": 1749280790257.9111 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-06-08", "window": { "start": { "local": "2025-06-08T12:02:01+05:30", "utc": "2025-06-08T06:32:01Z", "ms": 1749364321419.391 }, "end": { "local": "2025-06-08T12:50:01+05:30", "utc": "2025-06-08T07:20:01Z", "ms": 1749367201419.391 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:49 on Sat 7 Jun to 07:18 on Sun 8 Jun.", "fact": "2025-06-06T23:18:31Z → 2025-06-08T01:48:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 7th, 12:02–12:50 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17015 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Ujjain, 2025: Saturday 7 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": "2025-06-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-07", "confidence": "determinate" } ], "quote": "In Ujjain, Śrī Rāma Dvādaśī 2025 falls on Saturday 7 June. Dvādaśī runs from 04:49 on Sat 7 Jun to 07:18 on Sun 8 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/pradosha-vrata?on=2025-06-08", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-06-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34521, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-06-08T07:18:27+05:30", "utc": "2025-06-08T01:48:27Z", "ms": 1749347306555.9917 }, "end": { "local": "2025-06-09T09:36:29+05:30", "utc": "2025-06-09T04:06:29Z", "ms": 1749441989261.5317 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-08T07:18:27+05:30", "utc": "2025-06-08T01:48:27Z", "ms": 1749347306555.9917 }, "end": { "local": "2025-06-09T09:36:29+05:30", "utc": "2025-06-09T04:06:29Z", "ms": 1749441989261.5317 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-06-08", "window": { "start": { "local": "2025-06-08T19:11:28+05:30", "utc": "2025-06-08T13:41:28Z", "ms": 1749390087977.9465 }, "end": { "local": "2025-06-08T20:35:21+05:30", "utc": "2025-06-08T15:05:21Z", "ms": 1749395121001.2727 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "2025-06-09", "window": { "start": { "local": "2025-06-09T19:11:50+05:30", "utc": "2025-06-09T13:41:50Z", "ms": 1749476510003.1511 }, "end": { "local": "2025-06-09T20:35:40+05:30", "utc": "2025-06-09T15:05:40Z", "ms": 1749481540337.1318 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:18 on Sun 8 Jun to 09:36 on Mon 9 Jun.", "fact": "2025-06-08T01:48:27Z → 2025-06-09T04:06:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:11–20:35 on the 8th, 19:12–20:36 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 84 of 84 minutes on the 8th and 0 of 84 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 34521 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2025: Sunday 8 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": "2025-06-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-08", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2025 falls on Sunday 8 June. Trayodaśī runs from 07:18 on Sun 8 Jun to 09:36 on Mon 9 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-06-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21522, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-06-10T11:36:08+05:30", "utc": "2025-06-10T06:06:08Z", "ms": 1749535567628.5503 }, "end": { "local": "2025-06-11T13:13:50+05:30", "utc": "2025-06-11T07:43:50Z", "ms": 1749627830336.5625 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-10T11:36:08+05:30", "utc": "2025-06-10T06:06:08Z", "ms": 1749535567628.5503 }, "end": { "local": "2025-06-11T13:13:50+05:30", "utc": "2025-06-11T07:43:50Z", "ms": 1749627830336.5625 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-06-10", "window": { "start": { "local": "2025-06-10T19:12:11+05:30", "utc": "2025-06-10T13:42:11Z", "ms": 1749562931424.0085 }, "end": { "local": "2025-06-10T20:35:59+05:30", "utc": "2025-06-10T15:05:59Z", "ms": 1749567959289.4246 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "2025-06-11", "window": { "start": { "local": "2025-06-11T19:12:32+05:30", "utc": "2025-06-11T13:42:32Z", "ms": 1749649352216.1797 }, "end": { "local": "2025-06-11T20:36:18+05:30", "utc": "2025-06-11T15:06:18Z", "ms": 1749654377835.4365 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:36 on Tue 10 Jun to 13:14 on Wed 11 Jun.", "fact": "2025-06-10T06:06:08Z → 2025-06-11T07:43:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:12–20:36 on the 10th, 19:13–20:36 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 84 of 84 minutes on the 10th and 0 of 84 on the 11th.", "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 21522 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Ujjain, 2025: Tuesday 10 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": "2025-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-10", "confidence": "determinate" } ], "quote": "In Ujjain, Vaṭa Sāvitrī Vrata (Vat Purnima) 2025 falls on Tuesday 10 June. Pūrṇimā runs from 11:36 on Tue 10 Jun to 13:14 on Wed 11 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/sankashta-chaturthi?on=2025-06-14", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22554, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-06-14T15:47:17+05:30", "utc": "2025-06-14T10:17:17Z", "ms": 1749896237251.9524 }, "end": { "local": "2025-06-15T15:51:48+05:30", "utc": "2025-06-15T10:21:48Z", "ms": 1749982908454.4712 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-14T15:47:17+05:30", "utc": "2025-06-14T10:17:17Z", "ms": 1749896237251.9524 }, "end": { "local": "2025-06-15T15:51:48+05:30", "utc": "2025-06-15T10:21:48Z", "ms": 1749982908454.4712 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-06-14", "window": { "start": { "local": "2025-06-14T22:03:12+05:30", "utc": "2025-06-14T16:33:12Z", "ms": 1749918791560.5352 }, "end": { "local": "2025-06-14T22:03:12+05:30", "utc": "2025-06-14T16:33:12Z", "ms": 1749918791560.5352 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-06-15", "window": { "start": { "local": "2025-06-15T22:44:13+05:30", "utc": "2025-06-15T17:14:13Z", "ms": 1750007653449.8335 }, "end": { "local": "2025-06-15T22:44:13+05:30", "utc": "2025-06-15T17:14:13Z", "ms": 1750007653449.8335 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:47 on Sat 14 Jun to 15:52 on Sun 15 Jun.", "fact": "2025-06-14T10:17:17Z → 2025-06-15T10:21:48Z" }, { "step": "kaala", "text": "Moonrise is at 22:03 on the 14th and 22:44 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 14th and is not on the 15th.", "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 22554 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2025: Saturday 14 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-14", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2025 falls on Saturday 14 June. Caturthī runs from 15:47 on Sat 14 Jun to 15:52 on Sun 15 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/sankashta-chaturthi?on=2025-06-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/ekadashi?on=2025-06-21", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-06-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4450, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-06-21T07:19:17+05:30", "utc": "2025-06-21T01:49:17Z", "ms": 1750470556982.6157 }, "end": { "local": "2025-06-22T04:28:08+05:30", "utc": "2025-06-21T22:58:08Z", "ms": 1750546687854.9622 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-21T07:19:17+05:30", "utc": "2025-06-21T01:49:17Z", "ms": 1750470556982.6157 }, "end": { "local": "2025-06-22T04:28:08+05:30", "utc": "2025-06-21T22:58:08Z", "ms": 1750546687854.9622 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-06-21", "window": { "start": { "local": "2025-06-21T05:42:04+05:30", "utc": "2025-06-21T00:12:04Z", "ms": 1750464724270.0837 }, "end": { "local": "2025-06-21T05:42:04+05:30", "utc": "2025-06-21T00:12:04Z", "ms": 1750464724270.0837 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-06-22", "window": { "start": { "local": "2025-06-22T05:42:18+05:30", "utc": "2025-06-22T00:12:18Z", "ms": 1750551137755.1157 }, "end": { "local": "2025-06-22T05:42:18+05:30", "utc": "2025-06-22T00:12:18Z", "ms": 1750551137755.1157 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:19 on Sat 21 Jun to 04:28 on Sun 22 Jun.", "fact": "2025-06-21T01:49:17Z → 2025-06-21T22:58:08Z" }, { "step": "kaala", "text": "Sunrise is at 05:42 on the 21st and 05:42 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 not on the 22nd.", "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 4450 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Ujjain, 2025: Saturday 21 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": "2025-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-21", "confidence": "determinate" } ], "quote": "In Ujjain, Yoginī Ekādaśī 2025 falls on Saturday 21 June. Ekādaśī runs from 07:19 on Sat 21 Jun to 04:28 on Sun 22 Jun, and is current at sunrise on neither day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-06-21", "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/2025/pradosha-vrata?on=2025-06-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5452, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-06-23T01:22:33+05:30", "utc": "2025-06-22T19:52:33Z", "ms": 1750621953405.7346 }, "end": { "local": "2025-06-23T22:10:13+05:30", "utc": "2025-06-23T16:40:13Z", "ms": 1750696812623.9219 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-23T01:22:33+05:30", "utc": "2025-06-22T19:52:33Z", "ms": 1750621953405.7346 }, "end": { "local": "2025-06-23T22:10:13+05:30", "utc": "2025-06-23T16:40:13Z", "ms": 1750696812623.9219 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-06-22", "window": { "start": { "local": "2025-06-22T19:15:33+05:30", "utc": "2025-06-22T13:45:33Z", "ms": 1750599932575.6863 }, "end": { "local": "2025-06-22T20:39:09+05:30", "utc": "2025-06-22T15:09:09Z", "ms": 1750604948509.1787 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2025-06-23", "window": { "start": { "local": "2025-06-23T19:15:44+05:30", "utc": "2025-06-23T13:45:44Z", "ms": 1750686343941.1511 }, "end": { "local": "2025-06-23T20:39:20+05:30", "utc": "2025-06-23T15:09:20Z", "ms": 1750691360376.4321 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 01:23 on Mon 23 Jun to 22:10 on Mon 23 Jun.", "fact": "2025-06-22T19:52:33Z → 2025-06-23T16:40:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:16–20:39 on the 22nd, 19:16–20:39 on the 23rd.", "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 22nd and 84 of 84 on the 23rd.", "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 5452 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2025: Monday 23 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": "2025-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-23", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2025 falls on Monday 23 June. Trayodaśī runs from 01:23 on Mon 23 Jun to 22:10 on Mon 23 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-06-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/shivaratri?on=2025-06-23", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6903, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-06-23T22:10:13+05:30", "utc": "2025-06-23T16:40:13Z", "ms": 1750696812623.9219 }, "end": { "local": "2025-06-24T19:00:00+05:30", "utc": "2025-06-24T13:30:00Z", "ms": 1750771799732.5684 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-23T22:10:13+05:30", "utc": "2025-06-23T16:40:13Z", "ms": 1750696812623.9219 }, "end": { "local": "2025-06-24T19:00:00+05:30", "utc": "2025-06-24T13:30:00Z", "ms": 1750771799732.5684 } }, "kaala": "nishita", "days": [ { "local_date": "2025-06-23", "window": { "start": { "local": "2025-06-24T00:05:16+05:30", "utc": "2025-06-23T18:35:16Z", "ms": 1750703715573.455 }, "end": { "local": "2025-06-24T00:53:16+05:30", "utc": "2025-06-23T19:23:16Z", "ms": 1750706595573.455 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-06-24", "window": { "start": { "local": "2025-06-25T00:05:29+05:30", "utc": "2025-06-24T18:35:29Z", "ms": 1750790128733.7666 }, "end": { "local": "2025-06-25T00:53:29+05:30", "utc": "2025-06-24T19:23:29Z", "ms": 1750793008733.7666 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:10 on Mon 23 Jun to 19:00 on Tue 24 Jun.", "fact": "2025-06-23T16:40:13Z → 2025-06-24T13:30:00Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:05–00:53 on the 23rd, 00:05–00:53 on the 24th.", "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 23rd and 0 of 48 on the 24th.", "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 6903 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2025: Monday 23 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": "2025-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-23", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2025 falls on Monday 23 June. Caturdaśī runs from 22:10 on Mon 23 Jun to 19:00 on Tue 24 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2025/shivaratri?on=2025-06-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1877, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2025-06-26T13:25:03+05:30", "utc": "2025-06-26T07:55:03Z", "ms": 1750924503081.92 }, "end": { "local": "2025-06-27T11:19:53+05:30", "utc": "2025-06-27T05:49:53Z", "ms": 1751003392897.424 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-26T13:25:03+05:30", "utc": "2025-06-26T07:55:03Z", "ms": 1750924503081.92 }, "end": { "local": "2025-06-27T11:19:53+05:30", "utc": "2025-06-27T05:49:53Z", "ms": 1751003392897.424 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-06-26", "window": { "start": { "local": "2025-06-26T12:05:46+05:30", "utc": "2025-06-26T06:35:46Z", "ms": 1750919745996.0552 }, "end": { "local": "2025-06-26T12:53:46+05:30", "utc": "2025-06-26T07:23:46Z", "ms": 1750922625996.0552 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-06-27", "window": { "start": { "local": "2025-06-27T12:05:58+05:30", "utc": "2025-06-27T06:35:58Z", "ms": 1751006158380.2441 }, "end": { "local": "2025-06-27T12:53:58+05:30", "utc": "2025-06-27T07:23:58Z", "ms": 1751009038380.2441 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 13:25 on Thu 26 Jun to 11:20 on Fri 27 Jun.", "fact": "2025-06-26T07:55:03Z → 2025-06-27T05:49:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 26th, 12:06–12:54 on the 27th.", "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 26th and 0 of 48 on the 27th.", "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 1877 s" }, { "step": "ruling", "text": "Rathayātrā, Ujjain, 2025: Friday 27 June.", "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": "2025-06-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-27", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-06-27" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Rathayātrā 2025 falls on Friday 27 June. Dvitīyā runs from 13:25 on Thu 26 Jun to 11:20 on Fri 27 Jun, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/vinayaka-chaturthi?on=2025-06-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7901, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-06-28T09:54:29+05:30", "utc": "2025-06-28T04:24:29Z", "ms": 1751084669364.2908 }, "end": { "local": "2025-06-29T09:15:03+05:30", "utc": "2025-06-29T03:45:03Z", "ms": 1751168702943.7048 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-28T09:54:29+05:30", "utc": "2025-06-28T04:24:29Z", "ms": 1751084669364.2908 }, "end": { "local": "2025-06-29T09:15:03+05:30", "utc": "2025-06-29T03:45:03Z", "ms": 1751168702943.7048 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-06-28", "window": { "start": { "local": "2025-06-28T12:06:11+05:30", "utc": "2025-06-28T06:36:11Z", "ms": 1751092570578.3887 }, "end": { "local": "2025-06-28T12:54:11+05:30", "utc": "2025-06-28T07:24:11Z", "ms": 1751095450578.3887 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-06-29", "window": { "start": { "local": "2025-06-29T12:06:23+05:30", "utc": "2025-06-29T06:36:23Z", "ms": 1751178982564.1875 }, "end": { "local": "2025-06-29T12:54:23+05:30", "utc": "2025-06-29T07:24:23Z", "ms": 1751181862564.1875 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:54 on Sat 28 Jun to 09:15 on Sun 29 Jun.", "fact": "2025-06-28T04:24:29Z → 2025-06-29T03:45:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 28th, 12:06–12:54 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7901 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2025: Saturday 28 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": "2025-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-28", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2025 falls on Saturday 28 June. Caturthī runs from 09:54 on Sat 28 Jun to 09:15 on Sun 29 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/vinayaka-chaturthi?on=2025-06-28", "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/2025/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-06-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9729, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2025-06-29T09:15:03+05:30", "utc": "2025-06-29T03:45:03Z", "ms": 1751168702943.7048 }, "end": { "local": "2025-06-30T09:24:25+05:30", "utc": "2025-06-30T03:54:25Z", "ms": 1751255665362.0383 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-06-29T09:15:03+05:30", "utc": "2025-06-29T03:45:03Z", "ms": 1751168702943.7048 }, "end": { "local": "2025-06-30T09:24:25+05:30", "utc": "2025-06-30T03:54:25Z", "ms": 1751255665362.0383 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-06-29", "window": { "start": { "local": "2025-06-29T12:06:23+05:30", "utc": "2025-06-29T06:36:23Z", "ms": 1751178982564.1875 }, "end": { "local": "2025-06-29T12:54:23+05:30", "utc": "2025-06-29T07:24:23Z", "ms": 1751181862564.1875 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-06-30", "window": { "start": { "local": "2025-06-30T12:06:34+05:30", "utc": "2025-06-30T06:36:34Z", "ms": 1751265394312.8164 }, "end": { "local": "2025-06-30T12:54:34+05:30", "utc": "2025-06-30T07:24:34Z", "ms": 1751268274312.8164 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:15 on Sun 29 Jun to 09:24 on Mon 30 Jun.", "fact": "2025-06-29T03:45:03Z → 2025-06-30T03:54:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 29th, 12:07–12:55 on the 30th.", "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 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9729 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Ujjain, 2025: Sunday 29 June.", "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": "2025-06-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-06-29", "confidence": "determinate" } ], "quote": "In Ujjain, Skanda Pañcamī 2025 falls on Sunday 29 June. Pañcamī runs from 09:15 on Sun 29 Jun to 09:24 on Mon 30 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 475, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2025-07-01T10:21:10+05:30", "utc": "2025-07-01T04:51:10Z", "ms": 1751345470158.1948 }, "end": { "local": "2025-07-02T11:59:02+05:30", "utc": "2025-07-02T06:29:02Z", "ms": 1751437742224.875 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-07-01T10:21:10+05:30", "utc": "2025-07-01T04:51:10Z", "ms": 1751345470158.1948 }, "end": { "local": "2025-07-02T11:59:02+05:30", "utc": "2025-07-02T06:29:02Z", "ms": 1751437742224.875 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-07-01", "window": { "start": { "local": "2025-07-01T12:06:46+05:30", "utc": "2025-07-01T06:36:46Z", "ms": 1751351805800.8208 }, "end": { "local": "2025-07-01T12:54:46+05:30", "utc": "2025-07-01T07:24:46Z", "ms": 1751354685800.8208 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-07-02", "window": { "start": { "local": "2025-07-02T12:06:57+05:30", "utc": "2025-07-02T06:36:57Z", "ms": 1751438217006.006 }, "end": { "local": "2025-07-02T12:54:57+05:30", "utc": "2025-07-02T07:24:57Z", "ms": 1751441097006.006 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:21 on Tue 1 Jul to 11:59 on Wed 2 Jul.", "fact": "2025-07-01T04:51:10Z → 2025-07-02T06:29:02Z" }, { "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": "Saptamī 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: purvaviddha → only-day · margin 475 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Ujjain, 2025: Tuesday 1 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": "2025-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-01", "confidence": "determinate" } ], "quote": "In Ujjain, Vivasvat Saptamī 2025 falls on Tuesday 1 July. Saptamī runs from 10:21 on Tue 1 Jul to 11:59 on Wed 2 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/ekadashi?on=2025-07-06", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-07-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30689, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-07-05T18:59:27+05:30", "utc": "2025-07-05T13:29:27Z", "ms": 1751722166657.5671 }, "end": { "local": "2025-07-06T21:15:35+05:30", "utc": "2025-07-06T15:45:35Z", "ms": 1751816734505.0251 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-07-05T18:59:27+05:30", "utc": "2025-07-05T13:29:27Z", "ms": 1751722166657.5671 }, "end": { "local": "2025-07-06T21:15:35+05:30", "utc": "2025-07-06T15:45:35Z", "ms": 1751816734505.0251 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-07-06", "window": { "start": { "local": "2025-07-06T05:46:40+05:30", "utc": "2025-07-06T00:16:40Z", "ms": 1751761000288.7668 }, "end": { "local": "2025-07-06T05:46:40+05:30", "utc": "2025-07-06T00:16:40Z", "ms": 1751761000288.7668 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-07-07", "window": { "start": { "local": "2025-07-07T05:47:03+05:30", "utc": "2025-07-07T00:17:03Z", "ms": 1751847423105.0457 }, "end": { "local": "2025-07-07T05:47:03+05:30", "utc": "2025-07-07T00:17:03Z", "ms": 1751847423105.0457 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:59 on Sat 5 Jul to 21:16 on Sun 6 Jul.", "fact": "2025-07-05T13:29:27Z → 2025-07-06T15:45:35Z" }, { "step": "kaala", "text": "Sunrise is at 05:47 on the 6th and 05:47 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 30689 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Ujjain, 2025: Sunday 6 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": "2025-07-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-06", "confidence": "determinate" } ], "quote": "In Ujjain, Hariśayanī Ekādaśī 2025 falls on Sunday 6 July. Ekādaśī runs from 18:59 on Sat 5 Jul to 21:16 on Sun 6 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-07-06", "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/2025/pradosha-vrata?on=2025-07-08", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9005, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-07-07T23:10:45+05:30", "utc": "2025-07-07T17:40:45Z", "ms": 1751910045030.2458 }, "end": { "local": "2025-07-09T00:38:52+05:30", "utc": "2025-07-08T19:08:52Z", "ms": 1752001731821.186 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-07-07T23:10:45+05:30", "utc": "2025-07-07T17:40:45Z", "ms": 1751910045030.2458 }, "end": { "local": "2025-07-09T00:38:52+05:30", "utc": "2025-07-08T19:08:52Z", "ms": 1752001731821.186 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-07-07", "window": { "start": { "local": "2025-07-07T19:16:33+05:30", "utc": "2025-07-07T13:46:33Z", "ms": 1751895993080.854 }, "end": { "local": "2025-07-07T20:40:40+05:30", "utc": "2025-07-07T15:10:40Z", "ms": 1751901040178.666 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2025-07-08", "window": { "start": { "local": "2025-07-08T19:16:28+05:30", "utc": "2025-07-08T13:46:28Z", "ms": 1751982388079.7861 }, "end": { "local": "2025-07-08T20:40:39+05:30", "utc": "2025-07-08T15:10:39Z", "ms": 1751987438988.0288 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:11 on Mon 7 Jul to 00:39 on Wed 9 Jul.", "fact": "2025-07-07T17:40:45Z → 2025-07-08T19:08:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:17–20:41 on the 7th, 19:16–20:41 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 84 minutes on the 7th and 84 of 84 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 9005 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2025: Tuesday 8 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": "2025-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-08", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2025 falls on Tuesday 8 July. Trayodaśī runs from 23:11 on Mon 7 Jul to 00:39 on Wed 9 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-07-08", "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/2025/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13310, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-07-10T01:37:26+05:30", "utc": "2025-07-09T20:07:26Z", "ms": 1752091646259.9963 }, "end": { "local": "2025-07-11T02:06:48+05:30", "utc": "2025-07-10T20:36:48Z", "ms": 1752179807637.0796 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-07-10T01:37:26+05:30", "utc": "2025-07-09T20:07:26Z", "ms": 1752091646259.9963 }, "end": { "local": "2025-07-11T02:06:48+05:30", "utc": "2025-07-10T20:36:48Z", "ms": 1752179807637.0796 } }, "kaala": "udaya-3", "days": [ { "local_date": "2025-07-10", "window": { "start": { "local": "2025-07-10T05:48:14+05:30", "utc": "2025-07-10T00:18:14Z", "ms": 1752106693811.9458 }, "end": { "local": "2025-07-10T08:29:50+05:30", "utc": "2025-07-10T02:59:50Z", "ms": 1752116389953.987 } }, "covered_min": 162, "window_min": 162, "qualifies": true }, { "local_date": "2025-07-11", "window": { "start": { "local": "2025-07-11T05:48:38+05:30", "utc": "2025-07-11T00:18:38Z", "ms": 1752193118051.7031 }, "end": { "local": "2025-07-11T08:30:08+05:30", "utc": "2025-07-11T03:00:08Z", "ms": 1752202807633.4526 } }, "covered_min": 0, "window_min": 161, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:37 on Thu 10 Jul to 02:07 on Fri 11 Jul.", "fact": "2025-07-09T20:07:26Z → 2025-07-10T20:36:48Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:48–08:30 on the 10th, 05:49–08:30 on the 11th.", "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 162 of 162 minutes on the 10th and 0 of 161 on the 11th.", "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 13310 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Ujjain, 2025: Thursday 10 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": "2025-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-10", "confidence": "determinate" } ], "quote": "In Ujjain, Vyāsa Pūjā 2025 falls on Thursday 10 July. Pūrṇimā runs from 01:37 on Thu 10 Jul to 02:07 on Fri 11 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36094, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-07-10T01:37:26+05:30", "utc": "2025-07-09T20:07:26Z", "ms": 1752091646259.9963 }, "end": { "local": "2025-07-11T02:06:48+05:30", "utc": "2025-07-10T20:36:48Z", "ms": 1752179807637.0796 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-07-10T01:37:26+05:30", "utc": "2025-07-09T20:07:26Z", "ms": 1752091646259.9963 }, "end": { "local": "2025-07-11T02:06:48+05:30", "utc": "2025-07-10T20:36:48Z", "ms": 1752179807637.0796 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-07-10", "window": { "start": { "local": "2025-07-10T12:08:14+05:30", "utc": "2025-07-10T06:38:14Z", "ms": 1752129494167.0488 }, "end": { "local": "2025-07-10T12:56:14+05:30", "utc": "2025-07-10T07:26:14Z", "ms": 1752132374167.0488 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-07-11", "window": { "start": { "local": "2025-07-11T12:08:22+05:30", "utc": "2025-07-11T06:38:22Z", "ms": 1752215902006.0771 }, "end": { "local": "2025-07-11T12:56:22+05:30", "utc": "2025-07-11T07:26:22Z", "ms": 1752218782006.0771 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:37 on Thu 10 Jul to 02:07 on Fri 11 Jul.", "fact": "2025-07-09T20:07:26Z → 2025-07-10T20:36:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 10th, 12:08–12:56 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36094 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Ujjain, 2025: Thursday 10 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": "2025-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-10", "confidence": "determinate" } ], "quote": "In Ujjain, Guru Pūrṇimā 2025 falls on Thursday 10 July. Pūrṇimā runs from 01:37 on Thu 10 Jul to 02:07 on Fri 11 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22864, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-07-10T01:37:26+05:30", "utc": "2025-07-09T20:07:26Z", "ms": 1752091646259.9963 }, "end": { "local": "2025-07-11T02:06:48+05:30", "utc": "2025-07-10T20:36:48Z", "ms": 1752179807637.0796 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-07-10T01:37:26+05:30", "utc": "2025-07-09T20:07:26Z", "ms": 1752091646259.9963 }, "end": { "local": "2025-07-11T02:06:48+05:30", "utc": "2025-07-10T20:36:48Z", "ms": 1752179807637.0796 } }, "kaala": "sayahna", "days": [ { "local_date": "2025-07-09", "window": { "start": { "local": "2025-07-09T16:34:39+05:30", "utc": "2025-07-09T11:04:39Z", "ms": 1752059079494.0024 }, "end": { "local": "2025-07-09T19:16:22+05:30", "utc": "2025-07-09T13:46:22Z", "ms": 1752068781894.6016 } }, "covered_min": 0, "window_min": 162, "qualifies": false }, { "local_date": "2025-07-10", "window": { "start": { "local": "2025-07-10T16:34:38+05:30", "utc": "2025-07-10T11:04:38Z", "ms": 1752145478380.1108 }, "end": { "local": "2025-07-10T19:16:15+05:30", "utc": "2025-07-10T13:46:15Z", "ms": 1752155174522.152 } }, "covered_min": 162, "window_min": 162, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:37 on Thu 10 Jul to 02:07 on Fri 11 Jul.", "fact": "2025-07-09T20:07:26Z → 2025-07-10T20:36:48Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:35–19:16 on the 9th, 16:35–19:16 on the 10th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 162 minutes on the 9th and 162 of 162 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22864 s" }, { "step": "ruling", "text": "Kokilā Vrata, Ujjain, 2025: Thursday 10 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kokila-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-10", "confidence": "determinate" } ], "quote": "In Ujjain, Kokilā Vrata 2025 falls on Thursday 10 July. Pūrṇimā runs from 01:37 on Thu 10 Jul to 02:07 on Fri 11 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17809, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-07-10T01:37:26+05:30", "utc": "2025-07-09T20:07:26Z", "ms": 1752091646259.9963 }, "end": { "local": "2025-07-11T02:06:48+05:30", "utc": "2025-07-10T20:36:48Z", "ms": 1752179807637.0796 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2025-07-10T01:37:26+05:30", "utc": "2025-07-09T20:07:26Z", "ms": 1752091646259.9963 }, "end": { "local": "2025-07-11T02:06:48+05:30", "utc": "2025-07-10T20:36:48Z", "ms": 1752179807637.0796 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-07-09", "window": { "start": { "local": "2025-07-09T19:16:22+05:30", "utc": "2025-07-09T13:46:22Z", "ms": 1752068781894.6016 }, "end": { "local": "2025-07-09T20:40:37+05:30", "utc": "2025-07-09T15:10:37Z", "ms": 1752073836816.914 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "2025-07-10", "window": { "start": { "local": "2025-07-10T19:16:15+05:30", "utc": "2025-07-10T13:46:15Z", "ms": 1752155174522.152 }, "end": { "local": "2025-07-10T20:40:34+05:30", "utc": "2025-07-10T15:10:34Z", "ms": 1752160233659.4255 } }, "covered_min": 84, "window_min": 84, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 01:37 on Thu 10 Jul to 02:07 on Fri 11 Jul.", "fact": "2025-07-09T20:07:26Z → 2025-07-10T20:36:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:16–20:41 on the 9th, 19:16–20:41 on the 10th.", "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 9th and 84 of 84 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17809 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Ujjain, 2025: Thursday 10 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shiva-shayanotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-10", "confidence": "determinate" } ], "quote": "In Ujjain, Śiva Śayanotsava 2025 falls on Thursday 10 July. Pūrṇimā runs from 01:37 on Thu 10 Jul to 02:07 on Fri 11 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-07-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18204, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2025-07-12T02:09:00+05:30", "utc": "2025-07-11T20:39:00Z", "ms": 1752266339833.2092 }, "end": { "local": "2025-07-13T01:46:52+05:30", "utc": "2025-07-12T20:16:52Z", "ms": 1752351411567.7603 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-07-12T02:09:00+05:30", "utc": "2025-07-11T20:39:00Z", "ms": 1752266339833.2092 }, "end": { "local": "2025-07-13T01:46:52+05:30", "utc": "2025-07-12T20:16:52Z", "ms": 1752351411567.7603 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-07-11", "window": { "start": { "local": "2025-07-11T20:00:28+05:30", "utc": "2025-07-11T14:30:28Z", "ms": 1752244228273.5574 }, "end": { "local": "2025-07-11T20:00:28+05:30", "utc": "2025-07-11T14:30:28Z", "ms": 1752244228273.5574 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-07-12", "window": { "start": { "local": "2025-07-12T20:43:27+05:30", "utc": "2025-07-12T15:13:27Z", "ms": 1752333207341.6897 }, "end": { "local": "2025-07-12T20:43:27+05:30", "utc": "2025-07-12T15:13:27Z", "ms": 1752333207341.6897 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 02:09 on Sat 12 Jul to 01:47 on Sun 13 Jul.", "fact": "2025-07-11T20:39:00Z → 2025-07-12T20:16:52Z" }, { "step": "kaala", "text": "Moonrise is at 20:00 on the 11th and 20:43 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 11th and is on the 12th.", "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 18204 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Ujjain, 2025: Saturday 12 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": "2025-07-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-12", "confidence": "determinate" } ], "quote": "In Ujjain, Aśūnya Śayana Vrata (Āṣāḍha) 2025 falls on Saturday 12 July. Dvitīyā runs from 02:09 on Sat 12 Jul to 01:47 on Sun 13 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/sankashta-chaturthi?on=2025-07-14", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7307, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-07-14T01:03:10+05:30", "utc": "2025-07-13T19:33:10Z", "ms": 1752435190001.9287 }, "end": { "local": "2025-07-15T00:00:12+05:30", "utc": "2025-07-14T18:30:12Z", "ms": 1752517812168.4817 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-07-14T01:03:10+05:30", "utc": "2025-07-13T19:33:10Z", "ms": 1752435190001.9287 }, "end": { "local": "2025-07-15T00:00:12+05:30", "utc": "2025-07-14T18:30:12Z", "ms": 1752517812168.4817 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-07-13", "window": { "start": { "local": "2025-07-13T21:22:24+05:30", "utc": "2025-07-13T15:52:24Z", "ms": 1752421943809.275 }, "end": { "local": "2025-07-13T21:22:24+05:30", "utc": "2025-07-13T15:52:24Z", "ms": 1752421943809.275 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-07-14", "window": { "start": { "local": "2025-07-14T21:58:25+05:30", "utc": "2025-07-14T16:28:25Z", "ms": 1752510505279.5764 }, "end": { "local": "2025-07-14T21:58:25+05:30", "utc": "2025-07-14T16:28:25Z", "ms": 1752510505279.5764 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:03 on Mon 14 Jul to 00:00 on Tue 15 Jul.", "fact": "2025-07-13T19:33:10Z → 2025-07-14T18:30:12Z" }, { "step": "kaala", "text": "Moonrise is at 21:22 on the 13th and 21:58 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 13th and is on the 14th.", "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 7307 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2025: Monday 14 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": "2025-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-14", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2025 falls on Monday 14 July. Caturthī runs from 01:03 on Mon 14 Jul to 00:00 on Tue 15 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/sankashta-chaturthi?on=2025-07-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/ekadashi?on=2025-07-21", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13593, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-07-20T12:13:31+05:30", "utc": "2025-07-20T06:43:31Z", "ms": 1752993810732.053 }, "end": { "local": "2025-07-21T09:39:26+05:30", "utc": "2025-07-21T04:09:26Z", "ms": 1753070966148.411 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-07-20T12:13:31+05:30", "utc": "2025-07-20T06:43:31Z", "ms": 1752993810732.053 }, "end": { "local": "2025-07-21T09:39:26+05:30", "utc": "2025-07-21T04:09:26Z", "ms": 1753070966148.411 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-07-20", "window": { "start": { "local": "2025-07-20T05:52:27+05:30", "utc": "2025-07-20T00:22:27Z", "ms": 1752970946958.7488 }, "end": { "local": "2025-07-20T05:52:27+05:30", "utc": "2025-07-20T00:22:27Z", "ms": 1752970946958.7488 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-07-21", "window": { "start": { "local": "2025-07-21T05:52:53+05:30", "utc": "2025-07-21T00:22:53Z", "ms": 1753057373185.3254 }, "end": { "local": "2025-07-21T05:52:53+05:30", "utc": "2025-07-21T00:22:53Z", "ms": 1753057373185.3254 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:14 on Sun 20 Jul to 09:39 on Mon 21 Jul.", "fact": "2025-07-20T06:43:31Z → 2025-07-21T04:09:26Z" }, { "step": "kaala", "text": "Sunrise is at 05:52 on the 20th and 05:53 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13593 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Ujjain, 2025: Monday 21 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": "2025-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-21", "confidence": "determinate" } ], "quote": "In Ujjain, Kāmikā Ekādaśī 2025 falls on Monday 21 July. Ekādaśī runs from 12:14 on Sun 20 Jul to 09:39 on Mon 21 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-07-21", "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/2025/pradosha-vrata?on=2025-07-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-07-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28891, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-07-22T07:06:03+05:30", "utc": "2025-07-22T01:36:03Z", "ms": 1753148163449.7554 }, "end": { "local": "2025-07-23T04:40:09+05:30", "utc": "2025-07-22T23:10:09Z", "ms": 1753225809180.386 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-07-22T07:06:03+05:30", "utc": "2025-07-22T01:36:03Z", "ms": 1753148163449.7554 }, "end": { "local": "2025-07-23T04:40:09+05:30", "utc": "2025-07-22T23:10:09Z", "ms": 1753225809180.386 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-07-21", "window": { "start": { "local": "2025-07-21T19:13:35+05:30", "utc": "2025-07-21T13:43:35Z", "ms": 1753105415065.0422 }, "end": { "local": "2025-07-21T20:38:53+05:30", "utc": "2025-07-21T15:08:53Z", "ms": 1753110532987.4773 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "2025-07-22", "window": { "start": { "local": "2025-07-22T19:13:13+05:30", "utc": "2025-07-22T13:43:13Z", "ms": 1753191793491.6182 }, "end": { "local": "2025-07-22T20:38:38+05:30", "utc": "2025-07-22T15:08:38Z", "ms": 1753196917802.9592 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:06 on Tue 22 Jul to 04:40 on Wed 23 Jul.", "fact": "2025-07-22T01:36:03Z → 2025-07-22T23:10:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:14–20:39 on the 21st, 19:13–20:39 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 85 minutes on the 21st and 85 of 85 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 28891 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2025: Tuesday 22 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": "2025-07-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-22", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2025 falls on Tuesday 22 July. Trayodaśī runs from 07:06 on Tue 22 Jul to 04:40 on Wed 23 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-07-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/shivaratri?on=2025-07-23", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5504, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-07-23T04:40:09+05:30", "utc": "2025-07-22T23:10:09Z", "ms": 1753225809180.386 }, "end": { "local": "2025-07-24T02:29:16+05:30", "utc": "2025-07-23T20:59:16Z", "ms": 1753304355559.5916 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-07-23T04:40:09+05:30", "utc": "2025-07-22T23:10:09Z", "ms": 1753225809180.386 }, "end": { "local": "2025-07-24T02:29:16+05:30", "utc": "2025-07-23T20:59:16Z", "ms": 1753304355559.5916 } }, "kaala": "nishita", "days": [ { "local_date": "2025-07-22", "window": { "start": { "local": "2025-07-23T00:09:30+05:30", "utc": "2025-07-22T18:39:30Z", "ms": 1753209569659.147 }, "end": { "local": "2025-07-23T00:57:30+05:30", "utc": "2025-07-22T19:27:30Z", "ms": 1753212449659.147 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-07-23", "window": { "start": { "local": "2025-07-24T00:09:31+05:30", "utc": "2025-07-23T18:39:31Z", "ms": 1753295971469.1284 }, "end": { "local": "2025-07-24T00:57:31+05:30", "utc": "2025-07-23T19:27:31Z", "ms": 1753298851469.1284 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:40 on Wed 23 Jul to 02:29 on Thu 24 Jul.", "fact": "2025-07-22T23:10:09Z → 2025-07-23T20:59:16Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 22nd, 00:10–00:58 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "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 5504 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2025: Wednesday 23 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": "2025-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-23", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2025 falls on Wednesday 23 July. Caturdaśī runs from 04:40 on Wed 23 Jul to 02:29 on Thu 24 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2025/shivaratri?on=2025-07-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35107, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2025-07-26T22:42:27+05:30", "utc": "2025-07-26T17:12:27Z", "ms": 1753549947257.9417 }, "end": { "local": "2025-07-27T22:42:30+05:30", "utc": "2025-07-27T17:12:30Z", "ms": 1753636349925.3152 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-07-26T22:42:27+05:30", "utc": "2025-07-26T17:12:27Z", "ms": 1753549947257.9417 }, "end": { "local": "2025-07-27T22:42:30+05:30", "utc": "2025-07-27T17:12:30Z", "ms": 1753636349925.3152 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-07-26", "window": { "start": { "local": "2025-07-26T12:09:20+05:30", "utc": "2025-07-26T06:39:20Z", "ms": 1753511960203.8699 }, "end": { "local": "2025-07-26T12:57:20+05:30", "utc": "2025-07-26T07:27:20Z", "ms": 1753514840203.8699 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-07-27", "window": { "start": { "local": "2025-07-27T12:09:20+05:30", "utc": "2025-07-27T06:39:20Z", "ms": 1753598359648.393 }, "end": { "local": "2025-07-27T12:57:20+05:30", "utc": "2025-07-27T07:27:20Z", "ms": 1753601239648.393 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:42 on Sat 26 Jul to 22:42 on Sun 27 Jul.", "fact": "2025-07-26T17:12:27Z → 2025-07-27T17:12:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 26th, 12:09–12:57 on the 27th.", "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 26th and 48 of 48 on the 27th.", "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 35107 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Ujjain, 2025: Sunday 27 July.", "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": "2025-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-27", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-07-27" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Madhusravā Tṛtīyā (Teej) 2025 falls on Sunday 27 July. Tṛtīyā runs from 22:42 on Sat 26 Jul to 22:42 on Sun 27 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/vinayaka-chaturthi?on=2025-07-28", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-07-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35110, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-07-27T22:42:30+05:30", "utc": "2025-07-27T17:12:30Z", "ms": 1753636349925.3152 }, "end": { "local": "2025-07-28T23:24:55+05:30", "utc": "2025-07-28T17:54:55Z", "ms": 1753725294889.5396 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-07-27T22:42:30+05:30", "utc": "2025-07-27T17:12:30Z", "ms": 1753636349925.3152 }, "end": { "local": "2025-07-28T23:24:55+05:30", "utc": "2025-07-28T17:54:55Z", "ms": 1753725294889.5396 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-07-27", "window": { "start": { "local": "2025-07-27T12:09:20+05:30", "utc": "2025-07-27T06:39:20Z", "ms": 1753598359648.393 }, "end": { "local": "2025-07-27T12:57:20+05:30", "utc": "2025-07-27T07:27:20Z", "ms": 1753601239648.393 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-07-28", "window": { "start": { "local": "2025-07-28T12:09:18+05:30", "utc": "2025-07-28T06:39:18Z", "ms": 1753684758483.1328 }, "end": { "local": "2025-07-28T12:57:18+05:30", "utc": "2025-07-28T07:27:18Z", "ms": 1753687638483.1328 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:42 on Sun 27 Jul to 23:25 on Mon 28 Jul.", "fact": "2025-07-27T17:12:30Z → 2025-07-28T17:54:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 27th, 12:09–12:57 on the 28th.", "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 27th and 48 of 48 on the 28th.", "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 35110 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2025: Monday 28 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": "2025-07-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-28", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2025 falls on Monday 28 July. Caturthī runs from 22:42 on Sun 27 Jul to 23:25 on Mon 28 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/vinayaka-chaturthi?on=2025-07-28", "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/2025/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37656, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2025-07-28T23:24:55+05:30", "utc": "2025-07-28T17:54:55Z", "ms": 1753725294889.5396 }, "end": { "local": "2025-07-30T00:47:06+05:30", "utc": "2025-07-29T19:17:06Z", "ms": 1753816625946.6633 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-07-28T23:24:55+05:30", "utc": "2025-07-28T17:54:55Z", "ms": 1753725294889.5396 }, "end": { "local": "2025-07-30T00:47:06+05:30", "utc": "2025-07-29T19:17:06Z", "ms": 1753816625946.6633 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-07-28", "window": { "start": { "local": "2025-07-28T12:09:18+05:30", "utc": "2025-07-28T06:39:18Z", "ms": 1753684758483.1328 }, "end": { "local": "2025-07-28T12:57:18+05:30", "utc": "2025-07-28T07:27:18Z", "ms": 1753687638483.1328 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-07-29", "window": { "start": { "local": "2025-07-29T12:09:17+05:30", "utc": "2025-07-29T06:39:17Z", "ms": 1753771156702.893 }, "end": { "local": "2025-07-29T12:57:17+05:30", "utc": "2025-07-29T07:27:17Z", "ms": 1753774036702.893 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:25 on Mon 28 Jul to 00:47 on Wed 30 Jul.", "fact": "2025-07-28T17:54:55Z → 2025-07-29T19:17:06Z" }, { "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": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37656 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Ujjain, 2025: Tuesday 29 July.", "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": "2025-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-07-29", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-07-29" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Nāga Pañcamī 2025 falls on Tuesday 29 July. Pañcamī runs from 23:25 on Mon 28 Jul to 00:47 on Wed 30 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/ekadashi?on=2025-08-05", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20596, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-08-04T11:42:13+05:30", "utc": "2025-08-04T06:12:13Z", "ms": 1754287933415.4058 }, "end": { "local": "2025-08-05T13:12:53+05:30", "utc": "2025-08-05T07:42:53Z", "ms": 1754379773094.5234 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-08-04T11:42:13+05:30", "utc": "2025-08-04T06:12:13Z", "ms": 1754287933415.4058 }, "end": { "local": "2025-08-05T13:12:53+05:30", "utc": "2025-08-05T07:42:53Z", "ms": 1754379773094.5234 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-08-04", "window": { "start": { "local": "2025-08-04T05:58:57+05:30", "utc": "2025-08-04T00:28:57Z", "ms": 1754267337184.912 }, "end": { "local": "2025-08-04T05:58:57+05:30", "utc": "2025-08-04T00:28:57Z", "ms": 1754267337184.912 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-08-05", "window": { "start": { "local": "2025-08-05T05:59:22+05:30", "utc": "2025-08-05T00:29:22Z", "ms": 1754353762206.1045 }, "end": { "local": "2025-08-05T05:59:22+05:30", "utc": "2025-08-05T00:29:22Z", "ms": 1754353762206.1045 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:42 on Mon 4 Aug to 13:13 on Tue 5 Aug.", "fact": "2025-08-04T06:12:13Z → 2025-08-05T07:42:53Z" }, { "step": "kaala", "text": "Sunrise is at 05:59 on the 4th and 05:59 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 20596 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Ujjain, 2025: Tuesday 5 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": "2025-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-05", "confidence": "determinate" } ], "quote": "In Ujjain, Putradā Ekādaśī 2025 falls on Tuesday 5 August. Ekādaśī runs from 11:42 on Mon 4 Aug to 13:13 on Tue 5 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-08-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 966, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2025-08-05T13:12:53+05:30", "utc": "2025-08-05T07:42:53Z", "ms": 1754379773094.5234 }, "end": { "local": "2025-08-06T14:08:53+05:30", "utc": "2025-08-06T08:38:53Z", "ms": 1754469533405.9692 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-08-05T13:12:53+05:30", "utc": "2025-08-05T07:42:53Z", "ms": 1754379773094.5234 }, "end": { "local": "2025-08-06T14:08:53+05:30", "utc": "2025-08-06T08:38:53Z", "ms": 1754469533405.9692 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-05", "window": { "start": { "local": "2025-08-05T12:08:47+05:30", "utc": "2025-08-05T06:38:47Z", "ms": 1754375926888.8955 }, "end": { "local": "2025-08-05T12:56:47+05:30", "utc": "2025-08-05T07:26:47Z", "ms": 1754378806888.8955 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-08-06", "window": { "start": { "local": "2025-08-06T12:08:40+05:30", "utc": "2025-08-06T06:38:40Z", "ms": 1754462320170.2905 }, "end": { "local": "2025-08-06T12:56:40+05:30", "utc": "2025-08-06T07:26:40Z", "ms": 1754465200170.2905 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 13:13 on Tue 5 Aug to 14:09 on Wed 6 Aug.", "fact": "2025-08-05T07:42:53Z → 2025-08-06T08:38:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 5th, 12:09–12:57 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 966 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Ujjain, 2025: Wednesday 6 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": "2025-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-05", "confidence": "determinate" } ], "quote": "In Ujjain, Dāmodara Dvādaśī 2025 falls on Wednesday 6 August. Dvādaśī runs from 13:13 on Tue 5 Aug to 14:09 on Wed 6 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/pradosha-vrata?on=2025-08-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16592, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-08-06T14:08:53+05:30", "utc": "2025-08-06T08:38:53Z", "ms": 1754469533405.9692 }, "end": { "local": "2025-08-07T14:28:22+05:30", "utc": "2025-08-07T08:58:22Z", "ms": 1754557101803.9578 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-08-06T14:08:53+05:30", "utc": "2025-08-06T08:38:53Z", "ms": 1754469533405.9692 }, "end": { "local": "2025-08-07T14:28:22+05:30", "utc": "2025-08-07T08:58:22Z", "ms": 1754557101803.9578 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-08-06", "window": { "start": { "local": "2025-08-06T19:05:33+05:30", "utc": "2025-08-06T13:35:33Z", "ms": 1754487333311.1304 }, "end": { "local": "2025-08-06T20:32:50+05:30", "utc": "2025-08-06T15:02:50Z", "ms": 1754492570422.782 } }, "covered_min": 87, "window_min": 87, "qualifies": true }, { "local_date": "2025-08-07", "window": { "start": { "local": "2025-08-07T19:04:54+05:30", "utc": "2025-08-07T13:34:54Z", "ms": 1754573694052.833 }, "end": { "local": "2025-08-07T20:32:20+05:30", "utc": "2025-08-07T15:02:20Z", "ms": 1754578939653.5828 } }, "covered_min": 0, "window_min": 87, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:09 on Wed 6 Aug to 14:28 on Thu 7 Aug.", "fact": "2025-08-06T08:38:53Z → 2025-08-07T08:58:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:06–20:33 on the 6th, 19:05–20:32 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 87 of 87 minutes on the 6th and 0 of 87 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 16592 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2025: Wednesday 6 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": "2025-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-06", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2025 falls on Wednesday 6 August. Trayodaśī runs from 14:09 on Wed 6 Aug to 14:28 on Thu 7 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-08-06", "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/2025/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-09", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 14909, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-08-08T14:12:36+05:30", "utc": "2025-08-08T08:42:36Z", "ms": 1754642555650.522 }, "end": { "local": "2025-08-09T13:25:04+05:30", "utc": "2025-08-09T07:55:04Z", "ms": 1754726104387.683 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2025-08-09T01:52:32+05:30", "utc": "2025-08-08T20:22:32Z", "ms": 1754684551511.623 }, "end": { "local": "2025-08-09T13:25:04+05:30", "utc": "2025-08-09T07:55:04Z", "ms": 1754726104387.683 } }, "kaala": "day", "days": [ { "local_date": "2025-08-08", "window": { "start": { "local": "2025-08-08T06:00:36+05:30", "utc": "2025-08-08T00:30:36Z", "ms": 1754613036058.4565 }, "end": { "local": "2025-08-09T06:01:00+05:30", "utc": "2025-08-09T00:31:00Z", "ms": 1754699460256.0222 } }, "covered_min": 248, "window_min": 1440, "qualifies": true }, { "local_date": "2025-08-09", "window": { "start": { "local": "2025-08-09T06:01:00+05:30", "utc": "2025-08-09T00:31:00Z", "ms": 1754699460256.0222 }, "end": { "local": "2025-08-10T06:01:24+05:30", "utc": "2025-08-10T00:31:24Z", "ms": 1754785884239.5408 } }, "covered_min": 444, "window_min": 1440, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:13 on Fri 8 Aug to 13:25 on Sat 9 Aug. Its second half begins at 01:53 on Sat 9 Aug.", "fact": "2025-08-08T08:42:36Z → 2025-08-09T07:55:04Z · second half from 2025-08-08T20:22:32Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 06:01 on the 8th, and from 06:01 on the 9th.", "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 248 of 1440 minutes on the 8th and 444 of 1440 on the 9th.", "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 14909 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Ujjain, 2025: Saturday 9 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": "2025-08-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-09", "confidence": "boundary" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-08-09" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Rakṣā Bandhana (Rakhi) 2025 falls on Saturday 9 August. The second half of Pūrṇimā runs from 01:53 on Sat 9 Aug to 13:25 on Sat 9 Aug and falls on two days: 444 minutes of it on the 9th, 248 on the 8th; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1728, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-08-08T14:12:36+05:30", "utc": "2025-08-08T08:42:36Z", "ms": 1754642555650.522 }, "end": { "local": "2025-08-09T13:25:04+05:30", "utc": "2025-08-09T07:55:04Z", "ms": 1754726104387.683 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2025-08-08T14:12:36+05:30", "utc": "2025-08-08T08:42:36Z", "ms": 1754642555650.522 }, "end": { "local": "2025-08-09T13:25:04+05:30", "utc": "2025-08-09T07:55:04Z", "ms": 1754726104387.683 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-08", "window": { "start": { "local": "2025-08-08T12:08:25+05:30", "utc": "2025-08-08T06:38:25Z", "ms": 1754635104937.635 }, "end": { "local": "2025-08-08T12:56:25+05:30", "utc": "2025-08-08T07:26:25Z", "ms": 1754637984937.635 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-08-09", "window": { "start": { "local": "2025-08-09T12:08:16+05:30", "utc": "2025-08-09T06:38:16Z", "ms": 1754721496439.9038 }, "end": { "local": "2025-08-09T12:56:16+05:30", "utc": "2025-08-09T07:26:16Z", "ms": 1754724376439.9038 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:13 on Fri 8 Aug to 13:25 on Sat 9 Aug.", "fact": "2025-08-08T08:42:36Z → 2025-08-09T07:55:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 8th, 12:08–12:56 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1728 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Ujjain, 2025: Saturday 9 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": "2025-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-09", "confidence": "determinate" } ], "quote": "In Ujjain, Ṛṣi Tarpaṇa 2025 falls on Saturday 9 August. Pūrṇimā runs from 14:13 on Fri 8 Aug to 13:25 on Sat 9 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28033, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2025-08-10T12:10:33+05:30", "utc": "2025-08-10T06:40:33Z", "ms": 1754808032982.8364 }, "end": { "local": "2025-08-11T10:34:15+05:30", "utc": "2025-08-11T05:04:15Z", "ms": 1754888655461.4675 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-10T12:10:33+05:30", "utc": "2025-08-10T06:40:33Z", "ms": 1754808032982.8364 }, "end": { "local": "2025-08-11T10:34:15+05:30", "utc": "2025-08-11T05:04:15Z", "ms": 1754888655461.4675 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-08-10", "window": { "start": { "local": "2025-08-10T19:57:46+05:30", "utc": "2025-08-10T14:27:46Z", "ms": 1754836066111.9355 }, "end": { "local": "2025-08-10T19:57:46+05:30", "utc": "2025-08-10T14:27:46Z", "ms": 1754836066111.9355 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-08-11", "window": { "start": { "local": "2025-08-11T20:33:23+05:30", "utc": "2025-08-11T15:03:23Z", "ms": 1754924602895.523 }, "end": { "local": "2025-08-11T20:33:23+05:30", "utc": "2025-08-11T15:03:23Z", "ms": 1754924602895.523 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 12:11 on Sun 10 Aug to 10:34 on Mon 11 Aug.", "fact": "2025-08-10T06:40:33Z → 2025-08-11T05:04:15Z" }, { "step": "kaala", "text": "Moonrise is at 19:58 on the 10th and 20:33 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 10th and is not on the 11th.", "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 28033 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Ujjain, 2025: Sunday 10 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": "2025-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-10", "confidence": "determinate" } ], "quote": "In Ujjain, Aśūnya Śayana Vrata 2025 falls on Sunday 10 August. Dvitīyā runs from 12:11 on Sun 10 Aug to 10:34 on Mon 11 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5622, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2025-08-11T10:34:15+05:30", "utc": "2025-08-11T05:04:15Z", "ms": 1754888655461.4675 }, "end": { "local": "2025-08-12T08:41:22+05:30", "utc": "2025-08-12T03:11:22Z", "ms": 1754968281513.8315 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-11T10:34:15+05:30", "utc": "2025-08-11T05:04:15Z", "ms": 1754888655461.4675 }, "end": { "local": "2025-08-12T08:41:22+05:30", "utc": "2025-08-12T03:11:22Z", "ms": 1754968281513.8315 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-11", "window": { "start": { "local": "2025-08-11T12:07:58+05:30", "utc": "2025-08-11T06:37:58Z", "ms": 1754894277730.5063 }, "end": { "local": "2025-08-11T12:55:58+05:30", "utc": "2025-08-11T07:25:58Z", "ms": 1754897157730.5063 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-08-12", "window": { "start": { "local": "2025-08-12T12:07:48+05:30", "utc": "2025-08-12T06:37:48Z", "ms": 1754980667540.9912 }, "end": { "local": "2025-08-12T12:55:48+05:30", "utc": "2025-08-12T07:25:48Z", "ms": 1754983547540.9912 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 10:34 on Mon 11 Aug to 08:41 on Tue 12 Aug.", "fact": "2025-08-11T05:04:15Z → 2025-08-12T03:11:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 11th, 12:08–12:56 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 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: paraviddha → only-day · margin 5622 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Ujjain, 2025: Monday 11 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": "2025-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-11", "confidence": "determinate" } ], "quote": "In Ujjain, Kajjalī Tṛtīyā (Kajari Teej) 2025 falls on Monday 11 August. Tṛtīyā runs from 10:34 on Mon 11 Aug to 08:41 on Tue 12 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27852, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-08-12T08:41:22+05:30", "utc": "2025-08-12T03:11:22Z", "ms": 1754968281513.8315 }, "end": { "local": "2025-08-13T06:36:36+05:30", "utc": "2025-08-13T01:06:36Z", "ms": 1755047195981.658 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-12T08:41:22+05:30", "utc": "2025-08-12T03:11:22Z", "ms": 1754968281513.8315 }, "end": { "local": "2025-08-13T06:36:36+05:30", "utc": "2025-08-13T01:06:36Z", "ms": 1755047195981.658 } }, "kaala": "sayahna", "days": [ { "local_date": "2025-08-12", "window": { "start": { "local": "2025-08-12T16:25:33+05:30", "utc": "2025-08-12T10:55:33Z", "ms": 1754996133126.897 }, "end": { "local": "2025-08-12T19:01:24+05:30", "utc": "2025-08-12T13:31:24Z", "ms": 1755005483517.501 } }, "covered_min": 156, "window_min": 156, "qualifies": true }, { "local_date": "2025-08-13", "window": { "start": { "local": "2025-08-13T16:25:02+05:30", "utc": "2025-08-13T10:55:02Z", "ms": 1755082501951.9583 }, "end": { "local": "2025-08-13T19:00:39+05:30", "utc": "2025-08-13T13:30:39Z", "ms": 1755091838712.881 } }, "covered_min": 0, "window_min": 156, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:41 on Tue 12 Aug to 06:37 on Wed 13 Aug.", "fact": "2025-08-12T03:11:22Z → 2025-08-13T01:06:36Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:26–19:01 on the 12th, 16:25–19:01 on the 13th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 156 of 156 minutes on the 12th and 0 of 156 on the 13th.", "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 27852 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Ujjain, 2025: Tuesday 12 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": "2025-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-12", "confidence": "determinate" } ], "quote": "In Ujjain, Bahulā Caturthī 2025 falls on Tuesday 12 August. Caturthī runs from 08:41 on Tue 12 Aug to 06:37 on Wed 13 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/sankashta-chaturthi?on=2025-08-12", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34095, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-08-12T08:41:22+05:30", "utc": "2025-08-12T03:11:22Z", "ms": 1754968281513.8315 }, "end": { "local": "2025-08-13T06:36:36+05:30", "utc": "2025-08-13T01:06:36Z", "ms": 1755047195981.658 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-12T08:41:22+05:30", "utc": "2025-08-12T03:11:22Z", "ms": 1754968281513.8315 }, "end": { "local": "2025-08-13T06:36:36+05:30", "utc": "2025-08-13T01:06:36Z", "ms": 1755047195981.658 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-08-11", "window": { "start": { "local": "2025-08-11T20:33:23+05:30", "utc": "2025-08-11T15:03:23Z", "ms": 1754924602895.523 }, "end": { "local": "2025-08-11T20:33:23+05:30", "utc": "2025-08-11T15:03:23Z", "ms": 1754924602895.523 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-08-12", "window": { "start": { "local": "2025-08-12T21:08:21+05:30", "utc": "2025-08-12T15:38:21Z", "ms": 1755013101160.341 }, "end": { "local": "2025-08-12T21:08:21+05:30", "utc": "2025-08-12T15:38:21Z", "ms": 1755013101160.341 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:41 on Tue 12 Aug to 06:37 on Wed 13 Aug.", "fact": "2025-08-12T03:11:22Z → 2025-08-13T01:06:36Z" }, { "step": "kaala", "text": "Moonrise is at 20:33 on the 11th and 21:08 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 11th and is on the 12th.", "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 34095 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2025: Tuesday 12 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": "2025-08-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-12", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2025 falls on Tuesday 12 August. Caturthī runs from 08:41 on Tue 12 Aug to 06:37 on Wed 13 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/sankashta-chaturthi?on=2025-08-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27796, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2025-08-14T04:24:10+05:30", "utc": "2025-08-13T22:54:10Z", "ms": 1755125649749.1914 }, "end": { "local": "2025-08-15T02:07:40+05:30", "utc": "2025-08-14T20:37:40Z", "ms": 1755203860138.378 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-14T04:24:10+05:30", "utc": "2025-08-13T22:54:10Z", "ms": 1755125649749.1914 }, "end": { "local": "2025-08-15T02:07:40+05:30", "utc": "2025-08-14T20:37:40Z", "ms": 1755203860138.378 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-14", "window": { "start": { "local": "2025-08-14T12:07:26+05:30", "utc": "2025-08-14T06:37:26Z", "ms": 1755153445551.1665 }, "end": { "local": "2025-08-14T12:55:26+05:30", "utc": "2025-08-14T07:25:26Z", "ms": 1755156325551.1665 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-08-15", "window": { "start": { "local": "2025-08-15T12:07:14+05:30", "utc": "2025-08-15T06:37:14Z", "ms": 1755239833774.4453 }, "end": { "local": "2025-08-15T12:55:14+05:30", "utc": "2025-08-15T07:25:14Z", "ms": 1755242713774.4453 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 04:24 on Thu 14 Aug to 02:08 on Fri 15 Aug.", "fact": "2025-08-13T22:54:10Z → 2025-08-14T20:37:40Z" }, { "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": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27796 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Ujjain, 2025: Thursday 14 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-14", "confidence": "determinate" } ], "quote": "In Ujjain, Hala Ṣaṣṭhī 2025 falls on Thursday 14 August. Ṣaṣṭhī runs from 04:24 on Thu 14 Aug to 02:08 on Fri 15 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1027, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2025-08-15T23:50:19+05:30", "utc": "2025-08-15T18:20:19Z", "ms": 1755282018631.1855 }, "end": { "local": "2025-08-16T21:35:03+05:30", "utc": "2025-08-16T16:05:03Z", "ms": 1755360303361.7507 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-15T23:50:19+05:30", "utc": "2025-08-15T18:20:19Z", "ms": 1755282018631.1855 }, "end": { "local": "2025-08-16T21:35:03+05:30", "utc": "2025-08-16T16:05:03Z", "ms": 1755360303361.7507 } }, "kaala": "nishita", "days": [ { "local_date": "2025-08-15", "window": { "start": { "local": "2025-08-16T00:07:25+05:30", "utc": "2025-08-15T18:37:25Z", "ms": 1755283045132.8145 }, "end": { "local": "2025-08-16T00:55:25+05:30", "utc": "2025-08-15T19:25:25Z", "ms": 1755285925132.8145 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-08-16", "window": { "start": { "local": "2025-08-17T00:07:13+05:30", "utc": "2025-08-16T18:37:13Z", "ms": 1755369432745.9885 }, "end": { "local": "2025-08-17T00:55:13+05:30", "utc": "2025-08-16T19:25:13Z", "ms": 1755372312745.9885 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 23:50 on Fri 15 Aug to 21:35 on Sat 16 Aug.", "fact": "2025-08-15T18:20:19Z → 2025-08-16T16:05:03Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:07–00:55 on the 15th, 00:07–00:55 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 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 night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1027 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Ujjain, 2025: Friday 15 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-15", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-08-15" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Janmāṣṭamī (Krishna Janmashtami) 2025 falls on Friday 15 August. Aṣṭamī runs from 23:50 on Fri 15 Aug to 21:35 on Sat 16 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35974, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2025-08-15T02:07:40+05:30", "utc": "2025-08-14T20:37:40Z", "ms": 1755203860138.378 }, "end": { "local": "2025-08-15T23:50:19+05:30", "utc": "2025-08-15T18:20:19Z", "ms": 1755282018631.1855 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-15T02:07:40+05:30", "utc": "2025-08-14T20:37:40Z", "ms": 1755203860138.378 }, "end": { "local": "2025-08-15T23:50:19+05:30", "utc": "2025-08-15T18:20:19Z", "ms": 1755282018631.1855 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-15", "window": { "start": { "local": "2025-08-15T12:07:14+05:30", "utc": "2025-08-15T06:37:14Z", "ms": 1755239833774.4453 }, "end": { "local": "2025-08-15T12:55:14+05:30", "utc": "2025-08-15T07:25:14Z", "ms": 1755242713774.4453 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-08-16", "window": { "start": { "local": "2025-08-16T12:07:01+05:30", "utc": "2025-08-16T06:37:01Z", "ms": 1755326221491.5977 }, "end": { "local": "2025-08-16T12:55:01+05:30", "utc": "2025-08-16T07:25:01Z", "ms": 1755329101491.5977 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 02:08 on Fri 15 Aug to 23:50 on Fri 15 Aug.", "fact": "2025-08-14T20:37:40Z → 2025-08-15T18:20:19Z" }, { "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": "Saptamī 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: purvaviddha → only-day · margin 35974 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Ujjain, 2025: Friday 15 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-15", "confidence": "determinate" } ], "quote": "In Ujjain, Śītalā Saptamī 2025 falls on Friday 15 August. Saptamī runs from 02:08 on Fri 15 Aug to 23:50 on Fri 15 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/ekadashi?on=2025-08-19", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34095, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-08-18T17:23:02+05:30", "utc": "2025-08-18T11:53:02Z", "ms": 1755517982010.372 }, "end": { "local": "2025-08-19T15:33:05+05:30", "utc": "2025-08-19T10:03:05Z", "ms": 1755597785252.9395 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-18T17:23:02+05:30", "utc": "2025-08-18T11:53:02Z", "ms": 1755517982010.372 }, "end": { "local": "2025-08-19T15:33:05+05:30", "utc": "2025-08-19T10:03:05Z", "ms": 1755597785252.9395 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-08-18", "window": { "start": { "local": "2025-08-18T06:04:28+05:30", "utc": "2025-08-18T00:34:28Z", "ms": 1755477268492.13 }, "end": { "local": "2025-08-18T06:04:28+05:30", "utc": "2025-08-18T00:34:28Z", "ms": 1755477268492.13 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-08-19", "window": { "start": { "local": "2025-08-19T06:04:51+05:30", "utc": "2025-08-19T00:34:51Z", "ms": 1755563690582.1023 }, "end": { "local": "2025-08-19T06:04:51+05:30", "utc": "2025-08-19T00:34:51Z", "ms": 1755563690582.1023 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:23 on Mon 18 Aug to 15:33 on Tue 19 Aug.", "fact": "2025-08-18T11:53:02Z → 2025-08-19T10:03:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:04 on the 18th and 06:05 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34095 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Ujjain, 2025: Tuesday 19 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": "2025-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-19", "confidence": "determinate" } ], "quote": "In Ujjain, Ajā Ekādaśī 2025 falls on Tuesday 19 August. Ekādaśī runs from 17:23 on Mon 18 Aug to 15:33 on Tue 19 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-08-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/pradosha-vrata?on=2025-08-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17758, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-08-20T13:59:05+05:30", "utc": "2025-08-20T08:29:05Z", "ms": 1755678545012.7996 }, "end": { "local": "2025-08-21T12:45:24+05:30", "utc": "2025-08-21T07:15:24Z", "ms": 1755760523545.7637 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-20T13:59:05+05:30", "utc": "2025-08-20T08:29:05Z", "ms": 1755678545012.7996 }, "end": { "local": "2025-08-21T12:45:24+05:30", "utc": "2025-08-21T07:15:24Z", "ms": 1755760523545.7637 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-08-20", "window": { "start": { "local": "2025-08-20T18:55:03+05:30", "utc": "2025-08-20T13:25:03Z", "ms": 1755696302540.6052 }, "end": { "local": "2025-08-20T20:24:27+05:30", "utc": "2025-08-20T14:54:27Z", "ms": 1755701666751.7979 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "2025-08-21", "window": { "start": { "local": "2025-08-21T18:54:12+05:30", "utc": "2025-08-21T13:24:12Z", "ms": 1755782651542.2388 }, "end": { "local": "2025-08-21T20:23:45+05:30", "utc": "2025-08-21T14:53:45Z", "ms": 1755788025413.0847 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:59 on Wed 20 Aug to 12:45 on Thu 21 Aug.", "fact": "2025-08-20T08:29:05Z → 2025-08-21T07:15:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:55–20:24 on the 20th, 18:54–20:24 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 89 of 89 minutes on the 20th and 0 of 90 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17758 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2025: Wednesday 20 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": "2025-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-20", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2025 falls on Wednesday 20 August. Trayodaśī runs from 13:59 on Wed 20 Aug to 12:45 on Thu 21 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-08-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22128, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-08-21T12:45:24+05:30", "utc": "2025-08-21T07:15:24Z", "ms": 1755760523545.7637 }, "end": { "local": "2025-08-22T11:56:29+05:30", "utc": "2025-08-22T06:26:29Z", "ms": 1755843989292.6807 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-21T12:45:24+05:30", "utc": "2025-08-21T07:15:24Z", "ms": 1755760523545.7637 }, "end": { "local": "2025-08-22T11:56:29+05:30", "utc": "2025-08-22T06:26:29Z", "ms": 1755843989292.6807 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-08-21", "window": { "start": { "local": "2025-08-21T18:54:12+05:30", "utc": "2025-08-21T13:24:12Z", "ms": 1755782651542.2388 }, "end": { "local": "2025-08-21T20:23:45+05:30", "utc": "2025-08-21T14:53:45Z", "ms": 1755788025413.0847 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "2025-08-22", "window": { "start": { "local": "2025-08-22T18:53:20+05:30", "utc": "2025-08-22T13:23:20Z", "ms": 1755868999858.9268 }, "end": { "local": "2025-08-22T20:23:03+05:30", "utc": "2025-08-22T14:53:03Z", "ms": 1755874383451.9077 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:45 on Thu 21 Aug to 11:56 on Fri 22 Aug.", "fact": "2025-08-21T07:15:24Z → 2025-08-22T06:26:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:54–20:24 on the 21st, 18:53–20:23 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 90 of 90 minutes on the 21st and 0 of 90 on the 22nd.", "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 22128 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Ujjain, 2025: Thursday 21 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-21", "confidence": "determinate" } ], "quote": "In Ujjain, Aghora Caturdaśī 2025 falls on Thursday 21 August. Caturdaśī runs from 12:45 on Thu 21 Aug to 11:56 on Fri 22 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/shivaratri?on=2025-08-21", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39746, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-08-21T12:45:24+05:30", "utc": "2025-08-21T07:15:24Z", "ms": 1755760523545.7637 }, "end": { "local": "2025-08-22T11:56:29+05:30", "utc": "2025-08-22T06:26:29Z", "ms": 1755843989292.6807 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-21T12:45:24+05:30", "utc": "2025-08-21T07:15:24Z", "ms": 1755760523545.7637 }, "end": { "local": "2025-08-22T11:56:29+05:30", "utc": "2025-08-22T06:26:29Z", "ms": 1755843989292.6807 } }, "kaala": "nishita", "days": [ { "local_date": "2025-08-20", "window": { "start": { "local": "2025-08-21T00:06:18+05:30", "utc": "2025-08-20T18:36:18Z", "ms": 1755714978332.5774 }, "end": { "local": "2025-08-21T00:54:18+05:30", "utc": "2025-08-20T19:24:18Z", "ms": 1755717858332.5774 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-08-21", "window": { "start": { "local": "2025-08-22T00:06:04+05:30", "utc": "2025-08-21T18:36:04Z", "ms": 1755801363557.9111 }, "end": { "local": "2025-08-22T00:54:04+05:30", "utc": "2025-08-21T19:24:04Z", "ms": 1755804243557.9111 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:45 on Thu 21 Aug to 11:56 on Fri 22 Aug.", "fact": "2025-08-21T07:15:24Z → 2025-08-22T06:26:29Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:06–00:54 on the 20th, 00:06–00:54 on the 21st.", "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 20th and 48 of 48 on the 21st.", "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 39746 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2025: Thursday 21 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": "2025-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-21", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2025 falls on Thursday 21 August. Caturdaśī runs from 12:45 on Thu 21 Aug to 11:56 on Fri 22 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2025/shivaratri?on=2025-08-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 972, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2025-08-23T11:36:33+05:30", "utc": "2025-08-23T06:06:33Z", "ms": 1755929193012.8289 }, "end": { "local": "2025-08-24T11:48:54+05:30", "utc": "2025-08-24T06:18:54Z", "ms": 1756016334119.1038 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-23T11:36:33+05:30", "utc": "2025-08-23T06:06:33Z", "ms": 1755929193012.8289 }, "end": { "local": "2025-08-24T11:48:54+05:30", "utc": "2025-08-24T06:18:54Z", "ms": 1756016334119.1038 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-23", "window": { "start": { "local": "2025-08-23T12:05:22+05:30", "utc": "2025-08-23T06:35:22Z", "ms": 1755930922158.1191 }, "end": { "local": "2025-08-23T12:53:22+05:30", "utc": "2025-08-23T07:23:22Z", "ms": 1755933802158.1191 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-08-24", "window": { "start": { "local": "2025-08-24T12:05:06+05:30", "utc": "2025-08-24T06:35:06Z", "ms": 1756017306168.7375 }, "end": { "local": "2025-08-24T12:53:06+05:30", "utc": "2025-08-24T07:23:06Z", "ms": 1756020186168.7375 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 11:37 on Sat 23 Aug to 11:49 on Sun 24 Aug.", "fact": "2025-08-23T06:06:33Z → 2025-08-24T06:18:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 23rd, 12:05–12:53 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 972 s" }, { "step": "ruling", "text": "Rudra Vrata, Ujjain, 2025: Saturday 23 August.", "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": "2025-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-23", "confidence": "determinate" } ], "quote": "In Ujjain, Rudra Vrata 2025 falls on Saturday 23 August. Pratipadā runs from 11:37 on Sat 23 Aug to 11:49 on Sun 24 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1051, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2025-08-25T12:35:18+05:30", "utc": "2025-08-25T07:05:18Z", "ms": 1756105518402.7722 }, "end": { "local": "2025-08-26T13:55:11+05:30", "utc": "2025-08-26T08:25:11Z", "ms": 1756196711252.8503 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-25T12:35:18+05:30", "utc": "2025-08-25T07:05:18Z", "ms": 1756105518402.7722 }, "end": { "local": "2025-08-26T13:55:11+05:30", "utc": "2025-08-26T08:25:11Z", "ms": 1756196711252.8503 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-25", "window": { "start": { "local": "2025-08-25T12:04:50+05:30", "utc": "2025-08-25T06:34:50Z", "ms": 1756103689758.645 }, "end": { "local": "2025-08-25T12:52:50+05:30", "utc": "2025-08-25T07:22:50Z", "ms": 1756106569758.645 } }, "covered_min": 18, "window_min": 48, "qualifies": true }, { "local_date": "2025-08-26", "window": { "start": { "local": "2025-08-26T12:04:33+05:30", "utc": "2025-08-26T06:34:33Z", "ms": 1756190072939.2537 }, "end": { "local": "2025-08-26T12:52:33+05:30", "utc": "2025-08-26T07:22:33Z", "ms": 1756192952939.2537 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 12:35 on Mon 25 Aug to 13:55 on Tue 26 Aug.", "fact": "2025-08-25T07:05:18Z → 2025-08-26T08:25:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 25th, 12:05–12:53 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 18 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1051 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Ujjain, 2025: Tuesday 26 August.", "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": "2025-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-26", "confidence": "determinate" } ], "quote": "In Ujjain, Haritālikā Vrata (Hartalika Teej) 2025 falls on Tuesday 26 August. Tṛtīyā runs from 12:35 on Mon 25 Aug to 13:55 on Tue 26 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 18 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3758, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-08-26T13:55:11+05:30", "utc": "2025-08-26T08:25:11Z", "ms": 1756196711252.8503 }, "end": { "local": "2025-08-27T15:44:55+05:30", "utc": "2025-08-27T10:14:55Z", "ms": 1756289695221.8335 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-26T13:55:11+05:30", "utc": "2025-08-26T08:25:11Z", "ms": 1756196711252.8503 }, "end": { "local": "2025-08-27T15:44:55+05:30", "utc": "2025-08-27T10:14:55Z", "ms": 1756289695221.8335 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-26", "window": { "start": { "local": "2025-08-26T12:04:33+05:30", "utc": "2025-08-26T06:34:33Z", "ms": 1756190072939.2537 }, "end": { "local": "2025-08-26T12:52:33+05:30", "utc": "2025-08-26T07:22:33Z", "ms": 1756192952939.2537 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-08-27", "window": { "start": { "local": "2025-08-27T12:04:16+05:30", "utc": "2025-08-27T06:34:16Z", "ms": 1756276455722.8752 }, "end": { "local": "2025-08-27T12:52:16+05:30", "utc": "2025-08-27T07:22:16Z", "ms": 1756279335722.8752 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:55 on Tue 26 Aug to 15:45 on Wed 27 Aug.", "fact": "2025-08-26T08:25:11Z → 2025-08-27T10:14:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 26th, 12:04–12:52 on the 27th.", "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 26th and 48 of 48 on the 27th.", "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 3758 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Ujjain, 2025: Wednesday 27 August.", "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": "2025-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-27", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-08-27" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Gaṇeśa Caturthī 2025 falls on Wednesday 27 August. Caturthī runs from 13:55 on Tue 26 Aug to 15:45 on Wed 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10359, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2025-08-27T15:44:55+05:30", "utc": "2025-08-27T10:14:55Z", "ms": 1756289695221.8335 }, "end": { "local": "2025-08-28T17:57:26+05:30", "utc": "2025-08-28T12:27:26Z", "ms": 1756384046070.9531 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-27T15:44:55+05:30", "utc": "2025-08-27T10:14:55Z", "ms": 1756289695221.8335 }, "end": { "local": "2025-08-28T17:57:26+05:30", "utc": "2025-08-28T12:27:26Z", "ms": 1756384046070.9531 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-27", "window": { "start": { "local": "2025-08-27T12:04:16+05:30", "utc": "2025-08-27T06:34:16Z", "ms": 1756276455722.8752 }, "end": { "local": "2025-08-27T12:52:16+05:30", "utc": "2025-08-27T07:22:16Z", "ms": 1756279335722.8752 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-08-28", "window": { "start": { "local": "2025-08-28T12:03:58+05:30", "utc": "2025-08-28T06:33:58Z", "ms": 1756362838122.7036 }, "end": { "local": "2025-08-28T12:51:58+05:30", "utc": "2025-08-28T07:21:58Z", "ms": 1756365718122.7036 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:45 on Wed 27 Aug to 17:57 on Thu 28 Aug.", "fact": "2025-08-27T10:14:55Z → 2025-08-28T12:27:26Z" }, { "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": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 10359 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Ujjain, 2025: Thursday 28 August.", "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": "2025-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-28", "confidence": "determinate" } ], "quote": "In Ujjain, Ṛṣi Pañcamī 2025 falls on Thursday 28 August. Pañcamī runs from 15:45 on Wed 27 Aug to 17:57 on Thu 28 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18328, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2025-08-28T17:57:26+05:30", "utc": "2025-08-28T12:27:26Z", "ms": 1756384046070.9531 }, "end": { "local": "2025-08-29T20:22:24+05:30", "utc": "2025-08-29T14:52:24Z", "ms": 1756479143582.0715 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-28T17:57:26+05:30", "utc": "2025-08-28T12:27:26Z", "ms": 1756384046070.9531 }, "end": { "local": "2025-08-29T20:22:24+05:30", "utc": "2025-08-29T14:52:24Z", "ms": 1756479143582.0715 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-28", "window": { "start": { "local": "2025-08-28T12:03:58+05:30", "utc": "2025-08-28T06:33:58Z", "ms": 1756362838122.7036 }, "end": { "local": "2025-08-28T12:51:58+05:30", "utc": "2025-08-28T07:21:58Z", "ms": 1756365718122.7036 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-08-29", "window": { "start": { "local": "2025-08-29T12:03:40+05:30", "utc": "2025-08-29T06:33:40Z", "ms": 1756449220152.7676 }, "end": { "local": "2025-08-29T12:51:40+05:30", "utc": "2025-08-29T07:21:40Z", "ms": 1756452100152.7676 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:57 on Thu 28 Aug to 20:22 on Fri 29 Aug.", "fact": "2025-08-28T12:27:26Z → 2025-08-29T14:52:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 28th, 12:04–12:52 on the 29th.", "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 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18328 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Ujjain, 2025: Friday 29 August.", "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": "2025-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-29", "confidence": "determinate" } ], "quote": "In Ujjain, Sūrya Ṣaṣṭhī (Bhādrapada) 2025 falls on Friday 29 August. Ṣaṣṭhī runs from 17:57 on Thu 28 Aug to 20:22 on Fri 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27043, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2025-08-29T20:22:24+05:30", "utc": "2025-08-29T14:52:24Z", "ms": 1756479143582.0715 }, "end": { "local": "2025-08-30T22:47:08+05:30", "utc": "2025-08-30T17:17:08Z", "ms": 1756574227600.299 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-29T20:22:24+05:30", "utc": "2025-08-29T14:52:24Z", "ms": 1756479143582.0715 }, "end": { "local": "2025-08-30T22:47:08+05:30", "utc": "2025-08-30T17:17:08Z", "ms": 1756574227600.299 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-29", "window": { "start": { "local": "2025-08-29T12:03:40+05:30", "utc": "2025-08-29T06:33:40Z", "ms": 1756449220152.7676 }, "end": { "local": "2025-08-29T12:51:40+05:30", "utc": "2025-08-29T07:21:40Z", "ms": 1756452100152.7676 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-08-30", "window": { "start": { "local": "2025-08-30T12:03:22+05:30", "utc": "2025-08-30T06:33:22Z", "ms": 1756535601827.8826 }, "end": { "local": "2025-08-30T12:51:22+05:30", "utc": "2025-08-30T07:21:22Z", "ms": 1756538481827.8826 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 20:22 on Fri 29 Aug to 22:47 on Sat 30 Aug.", "fact": "2025-08-29T14:52:24Z → 2025-08-30T17:17:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 29th, 12:03–12:51 on the 30th.", "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 29th and 48 of 48 on the 30th.", "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 27043 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Ujjain, 2025: Saturday 30 August.", "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": "2025-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-30", "confidence": "determinate" } ], "quote": "In Ujjain, Muktābharaṇa Vrata 2025 falls on Saturday 30 August. Saptamī runs from 20:22 on Fri 29 Aug to 22:47 on Sat 30 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35746, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2025-08-30T22:47:08+05:30", "utc": "2025-08-30T17:17:08Z", "ms": 1756574227600.299 }, "end": { "local": "2025-09-01T00:58:14+05:30", "utc": "2025-08-31T19:28:14Z", "ms": 1756668494409.9937 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-08-30T22:47:08+05:30", "utc": "2025-08-30T17:17:08Z", "ms": 1756574227600.299 }, "end": { "local": "2025-09-01T00:58:14+05:30", "utc": "2025-08-31T19:28:14Z", "ms": 1756668494409.9937 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-08-30", "window": { "start": { "local": "2025-08-30T12:03:22+05:30", "utc": "2025-08-30T06:33:22Z", "ms": 1756535601827.8826 }, "end": { "local": "2025-08-30T12:51:22+05:30", "utc": "2025-08-30T07:21:22Z", "ms": 1756538481827.8826 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-08-31", "window": { "start": { "local": "2025-08-31T12:03:03+05:30", "utc": "2025-08-31T06:33:03Z", "ms": 1756621983163.6067 }, "end": { "local": "2025-08-31T12:51:03+05:30", "utc": "2025-08-31T07:21:03Z", "ms": 1756624863163.6067 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:47 on Sat 30 Aug to 00:58 on Mon 1 Sep.", "fact": "2025-08-30T17:17:08Z → 2025-08-31T19:28:14Z" }, { "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": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35746 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Ujjain, 2025: Sunday 31 August.", "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": "2025-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-08-31", "confidence": "determinate" } ], "quote": "In Ujjain, Rādhāṣṭamī 2025 falls on Sunday 31 August. Aṣṭamī runs from 22:47 on Sat 30 Aug to 00:58 on Mon 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/ekadashi?on=2025-09-03", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6469, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-09-03T03:53:28+05:30", "utc": "2025-09-02T22:23:28Z", "ms": 1756851808309.7622 }, "end": { "local": "2025-09-04T04:22:27+05:30", "utc": "2025-09-03T22:52:27Z", "ms": 1756939947000.5046 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-09-03T03:53:28+05:30", "utc": "2025-09-02T22:23:28Z", "ms": 1756851808309.7622 }, "end": { "local": "2025-09-04T04:22:27+05:30", "utc": "2025-09-03T22:52:27Z", "ms": 1756939947000.5046 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-09-03", "window": { "start": { "local": "2025-09-03T06:09:57+05:30", "utc": "2025-09-03T00:39:57Z", "ms": 1756859996795.6387 }, "end": { "local": "2025-09-03T06:09:57+05:30", "utc": "2025-09-03T00:39:57Z", "ms": 1756859996795.6387 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-09-04", "window": { "start": { "local": "2025-09-04T06:10:16+05:30", "utc": "2025-09-04T00:40:16Z", "ms": 1756946415721.644 }, "end": { "local": "2025-09-04T06:10:16+05:30", "utc": "2025-09-04T00:40:16Z", "ms": 1756946415721.644 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:53 on Wed 3 Sep to 04:22 on Thu 4 Sep.", "fact": "2025-09-02T22:23:28Z → 2025-09-03T22:52:27Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 3rd and 06:10 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6469 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Ujjain, 2025: Wednesday 3 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": "2025-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-03", "confidence": "determinate" } ], "quote": "In Ujjain, Parivartanī Ekādaśī 2025 falls on Wednesday 3 September. Ekādaśī runs from 03:53 on Wed 3 Sep to 04:22 on Thu 4 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-09-03", "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/2025/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27558, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2025-09-04T04:22:27+05:30", "utc": "2025-09-03T22:52:27Z", "ms": 1756939947000.5046 }, "end": { "local": "2025-09-05T04:08:38+05:30", "utc": "2025-09-04T22:38:38Z", "ms": 1757025517632.9302 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-09-04T04:22:27+05:30", "utc": "2025-09-03T22:52:27Z", "ms": 1756939947000.5046 }, "end": { "local": "2025-09-05T04:08:38+05:30", "utc": "2025-09-04T22:38:38Z", "ms": 1757025517632.9302 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-09-04", "window": { "start": { "local": "2025-09-04T12:01:45+05:30", "utc": "2025-09-04T06:31:45Z", "ms": 1756967505450.6626 }, "end": { "local": "2025-09-04T12:49:45+05:30", "utc": "2025-09-04T07:19:45Z", "ms": 1756970385450.6626 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-09-05", "window": { "start": { "local": "2025-09-05T12:01:25+05:30", "utc": "2025-09-05T06:31:25Z", "ms": 1757053885349.1462 }, "end": { "local": "2025-09-05T12:49:25+05:30", "utc": "2025-09-05T07:19:25Z", "ms": 1757056765349.1462 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:22 on Thu 4 Sep to 04:09 on Fri 5 Sep.", "fact": "2025-09-03T22:52:27Z → 2025-09-04T22:38:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 4th, 12:01–12:49 on the 5th.", "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 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27558 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Ujjain, 2025: Thursday 4 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": "2025-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-04", "confidence": "determinate" } ], "quote": "In Ujjain, Vāmana Jayantī 2025 falls on Thursday 4 September. Dvādaśī runs from 04:22 on Thu 4 Sep to 04:09 on Fri 5 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/pradosha-vrata?on=2025-09-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25276, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-09-05T04:08:38+05:30", "utc": "2025-09-04T22:38:38Z", "ms": 1757025517632.9302 }, "end": { "local": "2025-09-06T03:13:37+05:30", "utc": "2025-09-05T21:43:37Z", "ms": 1757108617253.9753 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-09-05T04:08:38+05:30", "utc": "2025-09-04T22:38:38Z", "ms": 1757025517632.9302 }, "end": { "local": "2025-09-06T03:13:37+05:30", "utc": "2025-09-05T21:43:37Z", "ms": 1757108617253.9753 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-09-04", "window": { "start": { "local": "2025-09-04T18:41:15+05:30", "utc": "2025-09-04T13:11:15Z", "ms": 1756991475179.6812 }, "end": { "local": "2025-09-04T20:13:10+05:30", "utc": "2025-09-04T14:43:10Z", "ms": 1756996989757.2214 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2025-09-05", "window": { "start": { "local": "2025-09-05T18:40:16+05:30", "utc": "2025-09-05T13:10:16Z", "ms": 1757077816187.059 }, "end": { "local": "2025-09-05T20:12:21+05:30", "utc": "2025-09-05T14:42:21Z", "ms": 1757083341119.22 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:09 on Fri 5 Sep to 03:14 on Sat 6 Sep.", "fact": "2025-09-04T22:38:38Z → 2025-09-05T21:43:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:41–20:13 on the 4th, 18:40–20:12 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 4th and 92 of 92 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25276 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2025: Friday 5 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": "2025-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-05", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2025 falls on Friday 5 September. Trayodaśī runs from 04:09 on Fri 5 Sep to 03:14 on Sat 6 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-09-05", "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/2025/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10636, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-09-06T03:13:37+05:30", "utc": "2025-09-05T21:43:37Z", "ms": 1757108617253.9753 }, "end": { "local": "2025-09-07T01:41:41+05:30", "utc": "2025-09-06T20:11:41Z", "ms": 1757189501440.8855 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2025-09-06T03:13:37+05:30", "utc": "2025-09-05T21:43:37Z", "ms": 1757108617253.9753 }, "end": { "local": "2025-09-07T01:41:41+05:30", "utc": "2025-09-06T20:11:41Z", "ms": 1757189501440.8855 } }, "kaala": "udaya-3", "days": [ { "local_date": "2025-09-06", "window": { "start": { "local": "2025-09-06T06:10:53+05:30", "utc": "2025-09-06T00:40:53Z", "ms": 1757119253178.2664 }, "end": { "local": "2025-09-06T08:40:34+05:30", "utc": "2025-09-06T03:10:34Z", "ms": 1757128233914.032 } }, "covered_min": 150, "window_min": 150, "qualifies": true }, { "local_date": "2025-09-07", "window": { "start": { "local": "2025-09-07T06:11:12+05:30", "utc": "2025-09-07T00:41:12Z", "ms": 1757205671738.0007 }, "end": { "local": "2025-09-07T08:40:37+05:30", "utc": "2025-09-07T03:10:37Z", "ms": 1757214636833.8342 } }, "covered_min": 0, "window_min": 149, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:14 on Sat 6 Sep to 01:42 on Sun 7 Sep.", "fact": "2025-09-05T21:43:37Z → 2025-09-06T20:11:41Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:11–08:41 on the 6th, 06:11–08:41 on the 7th.", "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 150 of 150 minutes on the 6th and 0 of 149 on the 7th.", "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 10636 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Ujjain, 2025: Saturday 6 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": "2025-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-06", "confidence": "determinate" } ], "quote": "In Ujjain, Ananta Caturdaśī 2025 falls on Saturday 6 September. Caturdaśī runs from 03:14 on Sat 6 Sep to 01:42 on Sun 7 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/sankashta-chaturthi?on=2025-09-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16937, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-09-10T15:38:27+05:30", "utc": "2025-09-10T10:08:27Z", "ms": 1757498907497.0796 }, "end": { "local": "2025-09-11T12:46:01+05:30", "utc": "2025-09-11T07:16:01Z", "ms": 1757574961475.4668 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-10T15:38:27+05:30", "utc": "2025-09-10T10:08:27Z", "ms": 1757498907497.0796 }, "end": { "local": "2025-09-11T12:46:01+05:30", "utc": "2025-09-11T07:16:01Z", "ms": 1757574961475.4668 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-09-10", "window": { "start": { "local": "2025-09-10T20:20:44+05:30", "utc": "2025-09-10T14:50:44Z", "ms": 1757515844370.3665 }, "end": { "local": "2025-09-10T20:20:44+05:30", "utc": "2025-09-10T14:50:44Z", "ms": 1757515844370.3665 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-09-11", "window": { "start": { "local": "2025-09-11T21:02:52+05:30", "utc": "2025-09-11T15:32:52Z", "ms": 1757604771627.234 }, "end": { "local": "2025-09-11T21:02:52+05:30", "utc": "2025-09-11T15:32:52Z", "ms": 1757604771627.234 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:38 on Wed 10 Sep to 12:46 on Thu 11 Sep.", "fact": "2025-09-10T10:08:27Z → 2025-09-11T07:16:01Z" }, { "step": "kaala", "text": "Moonrise is at 20:21 on the 10th and 21:03 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 10th and is not on the 11th.", "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 16937 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2025: Wednesday 10 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": "2025-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-10", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2025 falls on Wednesday 10 September. Caturthī runs from 15:38 on Wed 10 Sep to 12:46 on Thu 11 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/sankashta-chaturthi?on=2025-09-10", "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/2025/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34412, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2025-09-12T09:59:07+05:30", "utc": "2025-09-12T04:29:07Z", "ms": 1757651347335.958 }, "end": { "local": "2025-09-13T07:23:44+05:30", "utc": "2025-09-13T01:53:44Z", "ms": 1757728423552.5754 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-12T09:59:07+05:30", "utc": "2025-09-12T04:29:07Z", "ms": 1757651347335.958 }, "end": { "local": "2025-09-13T07:23:44+05:30", "utc": "2025-09-13T01:53:44Z", "ms": 1757728423552.5754 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-09-11", "window": { "start": { "local": "2025-09-11T21:02:52+05:30", "utc": "2025-09-11T15:32:52Z", "ms": 1757604771627.234 }, "end": { "local": "2025-09-11T21:02:52+05:30", "utc": "2025-09-11T15:32:52Z", "ms": 1757604771627.234 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-09-12", "window": { "start": { "local": "2025-09-12T21:50:11+05:30", "utc": "2025-09-12T16:20:11Z", "ms": 1757694011084.6643 }, "end": { "local": "2025-09-12T21:50:11+05:30", "utc": "2025-09-12T16:20:11Z", "ms": 1757694011084.6643 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:59 on Fri 12 Sep to 07:24 on Sat 13 Sep.", "fact": "2025-09-12T04:29:07Z → 2025-09-13T01:53:44Z" }, { "step": "kaala", "text": "Moonrise is at 21:03 on the 11th and 21:50 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 11th and is on the 12th.", "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 34412 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Ujjain, 2025: Friday 12 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-12", "confidence": "determinate" } ], "quote": "In Ujjain, Candra Ṣaṣṭhī 2025 falls on Friday 12 September. Ṣaṣṭhī runs from 09:59 on Fri 12 Sep to 07:24 on Sat 13 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25303, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2025-09-14T05:04:53+05:30", "utc": "2025-09-13T23:34:53Z", "ms": 1757806492678.1182 }, "end": { "local": "2025-09-15T03:06:36+05:30", "utc": "2025-09-14T21:36:36Z", "ms": 1757885795542.7488 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-14T05:04:53+05:30", "utc": "2025-09-13T23:34:53Z", "ms": 1757806492678.1182 }, "end": { "local": "2025-09-15T03:06:36+05:30", "utc": "2025-09-14T21:36:36Z", "ms": 1757885795542.7488 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-09-13", "window": { "start": { "local": "2025-09-13T18:32:14+05:30", "utc": "2025-09-13T13:02:14Z", "ms": 1757768534432.319 }, "end": { "local": "2025-09-13T20:05:43+05:30", "utc": "2025-09-13T14:35:43Z", "ms": 1757774143190.4023 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "2025-09-14", "window": { "start": { "local": "2025-09-14T18:31:13+05:30", "utc": "2025-09-14T13:01:13Z", "ms": 1757854873402.167 }, "end": { "local": "2025-09-14T20:04:53+05:30", "utc": "2025-09-14T14:34:53Z", "ms": 1757860492741.01 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:05 on Sun 14 Sep to 03:07 on Mon 15 Sep.", "fact": "2025-09-13T23:34:53Z → 2025-09-14T21:36:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:32–20:06 on the 13th, 18:31–20:05 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 93 minutes on the 13th and 94 of 94 on the 14th.", "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 25303 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Ujjain, 2025: Sunday 14 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-14", "confidence": "determinate" } ], "quote": "In Ujjain, Jitāṣṭamī (Jitiya) 2025 falls on Sunday 14 September. Aṣṭamī runs from 05:05 on Sun 14 Sep to 03:07 on Mon 15 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12233, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2025-09-14T05:04:53+05:30", "utc": "2025-09-13T23:34:53Z", "ms": 1757806492678.1182 }, "end": { "local": "2025-09-15T03:06:36+05:30", "utc": "2025-09-14T21:36:36Z", "ms": 1757885795542.7488 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-14T05:04:53+05:30", "utc": "2025-09-13T23:34:53Z", "ms": 1757806492678.1182 }, "end": { "local": "2025-09-15T03:06:36+05:30", "utc": "2025-09-14T21:36:36Z", "ms": 1757885795542.7488 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-09-13", "window": { "start": { "local": "2025-09-13T22:43:36+05:30", "utc": "2025-09-13T17:13:36Z", "ms": 1757783615991.2617 }, "end": { "local": "2025-09-13T22:43:36+05:30", "utc": "2025-09-13T17:13:36Z", "ms": 1757783615991.2617 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-09-14", "window": { "start": { "local": "2025-09-14T23:42:43+05:30", "utc": "2025-09-14T18:12:43Z", "ms": 1757873562772.2512 }, "end": { "local": "2025-09-14T23:42:43+05:30", "utc": "2025-09-14T18:12:43Z", "ms": 1757873562772.2512 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:05 on Sun 14 Sep to 03:07 on Mon 15 Sep.", "fact": "2025-09-13T23:34:53Z → 2025-09-14T21:36:36Z" }, { "step": "kaala", "text": "Moonrise is at 22:44 on the 13th and 23:43 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 13th and is on the 14th.", "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 12233 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Ujjain, 2025: Sunday 14 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-14", "confidence": "determinate" } ], "quote": "In Ujjain, Mahālakṣmī Vrata Samāpana 2025 falls on Sunday 14 September. Aṣṭamī runs from 05:05 on Sun 14 Sep to 03:07 on Mon 15 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/ekadashi?on=2025-09-17", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21098, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-09-17T00:22:37+05:30", "utc": "2025-09-16T18:52:37Z", "ms": 1758048757455.6934 }, "end": { "local": "2025-09-17T23:40:09+05:30", "utc": "2025-09-17T18:10:09Z", "ms": 1758132609159.7761 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-17T00:22:37+05:30", "utc": "2025-09-16T18:52:37Z", "ms": 1758048757455.6934 }, "end": { "local": "2025-09-17T23:40:09+05:30", "utc": "2025-09-17T18:10:09Z", "ms": 1758132609159.7761 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-09-17", "window": { "start": { "local": "2025-09-17T06:14:15+05:30", "utc": "2025-09-17T00:44:15Z", "ms": 1758069855228.6465 }, "end": { "local": "2025-09-17T06:14:15+05:30", "utc": "2025-09-17T00:44:15Z", "ms": 1758069855228.6465 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-09-18", "window": { "start": { "local": "2025-09-18T06:14:34+05:30", "utc": "2025-09-18T00:44:34Z", "ms": 1758156273711.9946 }, "end": { "local": "2025-09-18T06:14:34+05:30", "utc": "2025-09-18T00:44:34Z", "ms": 1758156273711.9946 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:23 on Wed 17 Sep to 23:40 on Wed 17 Sep.", "fact": "2025-09-16T18:52:37Z → 2025-09-17T18:10:09Z" }, { "step": "kaala", "text": "Sunrise is at 06:14 on the 17th and 06:15 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 17th and is not on the 18th.", "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 21098 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Ujjain, 2025: Wednesday 17 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": "2025-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-17", "confidence": "determinate" } ], "quote": "In Ujjain, Indirā Ekādaśī 2025 falls on Wednesday 17 September. Ekādaśī runs from 00:23 on Wed 17 Sep to 23:40 on Wed 17 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-09-17", "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/2025/pradosha-vrata?on=2025-09-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12212, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-09-18T23:25:02+05:30", "utc": "2025-09-18T17:55:02Z", "ms": 1758218102225.4539 }, "end": { "local": "2025-09-19T23:37:29+05:30", "utc": "2025-09-19T18:07:29Z", "ms": 1758305248889.0383 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-18T23:25:02+05:30", "utc": "2025-09-18T17:55:02Z", "ms": 1758218102225.4539 }, "end": { "local": "2025-09-19T23:37:29+05:30", "utc": "2025-09-19T18:07:29Z", "ms": 1758305248889.0383 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-09-18", "window": { "start": { "local": "2025-09-18T18:27:09+05:30", "utc": "2025-09-18T12:57:09Z", "ms": 1758200228625.036 }, "end": { "local": "2025-09-18T20:01:30+05:30", "utc": "2025-09-18T14:31:30Z", "ms": 1758205890444.478 } }, "covered_min": 0, "window_min": 94, "qualifies": false }, { "local_date": "2025-09-19", "window": { "start": { "local": "2025-09-19T18:26:07+05:30", "utc": "2025-09-19T12:56:07Z", "ms": 1758286567388.5547 }, "end": { "local": "2025-09-19T20:00:40+05:30", "utc": "2025-09-19T14:30:40Z", "ms": 1758292239858.8987 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:25 on Thu 18 Sep to 23:37 on Fri 19 Sep.", "fact": "2025-09-18T17:55:02Z → 2025-09-19T18:07:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–20:02 on the 18th, 18:26–20:01 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 18th and 95 of 95 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12212 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2025: Friday 19 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": "2025-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-19", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2025 falls on Friday 19 September. Trayodaśī runs from 23:25 on Thu 18 Sep to 23:37 on Fri 19 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-09-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/shivaratri?on=2025-09-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-09-19", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1150, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-09-19T23:37:29+05:30", "utc": "2025-09-19T18:07:29Z", "ms": 1758305248889.0383 }, "end": { "local": "2025-09-21T00:17:22+05:30", "utc": "2025-09-20T18:47:22Z", "ms": 1758394041670.5886 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-19T23:37:29+05:30", "utc": "2025-09-19T18:07:29Z", "ms": 1758305248889.0383 }, "end": { "local": "2025-09-21T00:17:22+05:30", "utc": "2025-09-20T18:47:22Z", "ms": 1758394041670.5886 } }, "kaala": "nishita", "days": [ { "local_date": "2025-09-19", "window": { "start": { "local": "2025-09-19T23:56:39+05:30", "utc": "2025-09-19T18:26:39Z", "ms": 1758306399152.3442 }, "end": { "local": "2025-09-20T00:44:39+05:30", "utc": "2025-09-19T19:14:39Z", "ms": 1758309279152.3442 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-09-20", "window": { "start": { "local": "2025-09-20T23:56:18+05:30", "utc": "2025-09-20T18:26:18Z", "ms": 1758392777920.6333 }, "end": { "local": "2025-09-21T00:44:18+05:30", "utc": "2025-09-20T19:14:18Z", "ms": 1758395657920.6333 } }, "covered_min": 21, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:37 on Fri 19 Sep to 00:17 on Sun 21 Sep.", "fact": "2025-09-19T18:07:29Z → 2025-09-20T18:47:22Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:57–00:45 on the 19th, 23:56–00:44 on the 20th.", "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 19th and 21 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1150 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2025: Friday 19 September.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-09-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-19", "confidence": "boundary" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2025 falls on Friday 19 September. Caturdaśī runs from 23:37 on Fri 19 Sep to 00:17 on Sun 21 Sep and covers all of niśītha that night. It also reaches the next night for 21 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/2025/shivaratri?on=2025-09-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29895, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2025-09-21T00:17:22+05:30", "utc": "2025-09-20T18:47:22Z", "ms": 1758394041670.5886 }, "end": { "local": "2025-09-22T01:24:08+05:30", "utc": "2025-09-21T19:54:08Z", "ms": 1758484447859.4753 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-21T00:17:22+05:30", "utc": "2025-09-20T18:47:22Z", "ms": 1758394041670.5886 }, "end": { "local": "2025-09-22T01:24:08+05:30", "utc": "2025-09-21T19:54:08Z", "ms": 1758484447859.4753 } }, "kaala": "aparahna", "days": [ { "local_date": "2025-09-20", "window": { "start": { "local": "2025-09-20T13:33:08+05:30", "utc": "2025-09-20T08:03:08Z", "ms": 1758355388076.003 }, "end": { "local": "2025-09-20T15:59:07+05:30", "utc": "2025-09-20T10:29:07Z", "ms": 1758364147129.2925 } }, "covered_min": 0, "window_min": 146, "qualifies": false }, { "local_date": "2025-09-21", "window": { "start": { "local": "2025-09-21T13:32:39+05:30", "utc": "2025-09-21T08:02:39Z", "ms": 1758441758881.7764 }, "end": { "local": "2025-09-21T15:58:22+05:30", "utc": "2025-09-21T10:28:22Z", "ms": 1758450501956.1401 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 00:17 on Sun 21 Sep to 01:24 on Mon 22 Sep.", "fact": "2025-09-20T18:47:22Z → 2025-09-21T19:54:08Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:33–15:59 on the 20th, 13:33–15:58 on the 21st.", "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 146 minutes on the 20th and 146 of 146 on the 21st.", "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 29895 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Ujjain, 2025: Sunday 21 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-21", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-09-21" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Mahālaya Amāvāsyā (Mahalaya) 2025 falls on Sunday 21 September. Amāvasyā runs from 00:17 on Sun 21 Sep to 01:24 on Mon 22 Sep and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32314, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2025-09-22T01:24:08+05:30", "utc": "2025-09-21T19:54:08Z", "ms": 1758484447859.4753 }, "end": { "local": "2025-09-23T02:56:32+05:30", "utc": "2025-09-22T21:26:32Z", "ms": 1758576391678.684 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-22T01:24:08+05:30", "utc": "2025-09-21T19:54:08Z", "ms": 1758484447859.4753 }, "end": { "local": "2025-09-23T02:56:32+05:30", "utc": "2025-09-22T21:26:32Z", "ms": 1758576391678.684 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-09-22", "window": { "start": { "local": "2025-09-22T11:55:26+05:30", "utc": "2025-09-22T06:25:26Z", "ms": 1758522326232.5762 }, "end": { "local": "2025-09-22T12:43:26+05:30", "utc": "2025-09-22T07:13:26Z", "ms": 1758525206232.5762 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-09-23", "window": { "start": { "local": "2025-09-23T11:55:05+05:30", "utc": "2025-09-23T06:25:05Z", "ms": 1758608705230.6182 }, "end": { "local": "2025-09-23T12:43:05+05:30", "utc": "2025-09-23T07:13:05Z", "ms": 1758611585230.6182 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 01:24 on Mon 22 Sep to 02:57 on Tue 23 Sep.", "fact": "2025-09-21T19:54:08Z → 2025-09-22T21:26:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 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": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32314 s" }, { "step": "ruling", "text": "Navarātrārambha, Ujjain, 2025: Monday 22 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-22", "confidence": "determinate" } ], "quote": "In Ujjain, Navarātrārambha (Navratri) 2025 falls on Monday 22 September. Pratipadā runs from 01:24 on Mon 22 Sep to 02:57 on Tue 23 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/vinayaka-chaturthi?on=2025-09-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8428, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-09-25T07:06:36+05:30", "utc": "2025-09-25T01:36:36Z", "ms": 1758764195873.5664 }, "end": { "local": "2025-09-26T09:33:35+05:30", "utc": "2025-09-26T04:03:35Z", "ms": 1758859415234.4558 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-25T07:06:36+05:30", "utc": "2025-09-25T01:36:36Z", "ms": 1758764195873.5664 }, "end": { "local": "2025-09-26T09:33:35+05:30", "utc": "2025-09-26T04:03:35Z", "ms": 1758859415234.4558 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-09-25", "window": { "start": { "local": "2025-09-25T11:54:24+05:30", "utc": "2025-09-25T06:24:24Z", "ms": 1758781463627.334 }, "end": { "local": "2025-09-25T12:42:24+05:30", "utc": "2025-09-25T07:12:24Z", "ms": 1758784343627.334 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-09-26", "window": { "start": { "local": "2025-09-26T11:54:03+05:30", "utc": "2025-09-26T06:24:03Z", "ms": 1758867843061.9502 }, "end": { "local": "2025-09-26T12:42:03+05:30", "utc": "2025-09-26T07:12:03Z", "ms": 1758870723061.9502 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:07 on Thu 25 Sep to 09:34 on Fri 26 Sep.", "fact": "2025-09-25T01:36:36Z → 2025-09-26T04:03:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 25th, 11:54–12:42 on the 26th.", "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 25th and 0 of 48 on the 26th.", "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 8428 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2025: Thursday 25 September.", "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": "2025-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-25", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2025 falls on Thursday 25 September. Caturthī runs from 07:07 on Thu 25 Sep to 09:34 on Fri 26 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/vinayaka-chaturthi?on=2025-09-25", "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/2025/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26520, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2025-09-28T14:27:41+05:30", "utc": "2025-09-28T08:57:41Z", "ms": 1759049861310.9585 }, "end": { "local": "2025-09-29T16:32:14+05:30", "utc": "2025-09-29T11:02:14Z", "ms": 1759143733843.5315 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-28T14:27:41+05:30", "utc": "2025-09-28T08:57:41Z", "ms": 1759049861310.9585 }, "end": { "local": "2025-09-29T16:32:14+05:30", "utc": "2025-09-29T11:02:14Z", "ms": 1759143733843.5315 } }, "kaala": "udaya-1", "days": [ { "local_date": "2025-09-28", "window": { "start": { "local": "2025-09-28T06:17:45+05:30", "utc": "2025-09-28T00:47:45Z", "ms": 1759020464520.8413 }, "end": { "local": "2025-09-28T07:05:42+05:30", "utc": "2025-09-28T01:35:42Z", "ms": 1759023341584.1765 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-09-29", "window": { "start": { "local": "2025-09-29T06:18:04+05:30", "utc": "2025-09-29T00:48:04Z", "ms": 1759106884452.3665 }, "end": { "local": "2025-09-29T07:05:56+05:30", "utc": "2025-09-29T01:35:56Z", "ms": 1759109756196.442 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:28 on Sun 28 Sep to 16:32 on Mon 29 Sep.", "fact": "2025-09-28T08:57:41Z → 2025-09-29T11:02:14Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:18–07:06 on the 28th, 06:18–07:06 on the 29th.", "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 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. 104" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26520 s" }, { "step": "ruling", "text": "Durgā Saptamī, Ujjain, 2025: Monday 29 September.", "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": "2025-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-29", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-09-29" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Durgā Saptamī 2025 falls on Monday 29 September. Saptamī runs from 14:28 on Sun 28 Sep to 16:32 on Mon 29 Sep and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13871, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2025-09-29T16:32:14+05:30", "utc": "2025-09-29T11:02:14Z", "ms": 1759143733843.5315 }, "end": { "local": "2025-09-30T18:06:37+05:30", "utc": "2025-09-30T12:36:37Z", "ms": 1759235797099.5435 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-29T16:32:14+05:30", "utc": "2025-09-29T11:02:14Z", "ms": 1759143733843.5315 }, "end": { "local": "2025-09-30T18:06:37+05:30", "utc": "2025-09-30T12:36:37Z", "ms": 1759235797099.5435 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-09-29", "window": { "start": { "local": "2025-09-29T11:53:03+05:30", "utc": "2025-09-29T06:23:03Z", "ms": 1759126982532.933 }, "end": { "local": "2025-09-29T12:41:03+05:30", "utc": "2025-09-29T07:11:03Z", "ms": 1759129862532.933 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-09-30", "window": { "start": { "local": "2025-09-30T11:52:43+05:30", "utc": "2025-09-30T06:22:43Z", "ms": 1759213362809.1562 }, "end": { "local": "2025-09-30T12:40:43+05:30", "utc": "2025-09-30T07:10:43Z", "ms": 1759216242809.1562 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 16:32 on Mon 29 Sep to 18:07 on Tue 30 Sep.", "fact": "2025-09-29T11:02:14Z → 2025-09-30T12:36:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 29th, 11:53–12:41 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13871 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Ujjain, 2025: Tuesday 30 September.", "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": "2025-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-09-30", "confidence": "determinate" } ], "quote": "In Ujjain, Mahāṣṭamī (Durga Ashtami) 2025 falls on Tuesday 30 September. Aṣṭamī runs from 16:32 on Mon 29 Sep to 18:07 on Tue 30 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19554, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2025-09-30T18:06:37+05:30", "utc": "2025-09-30T12:36:37Z", "ms": 1759235797099.5435 }, "end": { "local": "2025-10-01T19:01:41+05:30", "utc": "2025-10-01T13:31:41Z", "ms": 1759325500943.5093 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-09-30T18:06:37+05:30", "utc": "2025-09-30T12:36:37Z", "ms": 1759235797099.5435 }, "end": { "local": "2025-10-01T19:01:41+05:30", "utc": "2025-10-01T13:31:41Z", "ms": 1759325500943.5093 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-09-30", "window": { "start": { "local": "2025-09-30T11:52:43+05:30", "utc": "2025-09-30T06:22:43Z", "ms": 1759213362809.1562 }, "end": { "local": "2025-09-30T12:40:43+05:30", "utc": "2025-09-30T07:10:43Z", "ms": 1759216242809.1562 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-10-01", "window": { "start": { "local": "2025-10-01T11:52:23+05:30", "utc": "2025-10-01T06:22:23Z", "ms": 1759299743344.355 }, "end": { "local": "2025-10-01T12:40:23+05:30", "utc": "2025-10-01T07:10:23Z", "ms": 1759302623344.355 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 18:07 on Tue 30 Sep to 19:02 on Wed 1 Oct.", "fact": "2025-09-30T12:36:37Z → 2025-10-01T13:31:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 30th, 11:52–12:40 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19554 s" }, { "step": "ruling", "text": "Mahānavamī, Ujjain, 2025: Wednesday 1 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": "2025-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-01", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-10-01" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Mahānavamī 2025 falls on Wednesday 1 October. Navamī runs from 18:07 on Tue 30 Sep to 19:02 on Wed 1 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3505, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2025-10-01T19:01:41+05:30", "utc": "2025-10-01T13:31:41Z", "ms": 1759325500943.5093 }, "end": { "local": "2025-10-02T19:11:28+05:30", "utc": "2025-10-02T13:41:28Z", "ms": 1759412488199.8057 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2025-10-02T09:13:28+05:30", "utc": "2025-10-02T03:43:28Z", "ms": 1759376607515.8167 }, "end": { "local": "2025-10-02T19:11:28+05:30", "utc": "2025-10-02T13:41:28Z", "ms": 1759412488199.8057 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2025-10-02T09:13:28+05:30", "utc": "2025-10-02T03:43:28Z", "ms": 1759376607515.8167 }, "end": { "local": "2025-10-03T09:34:36+05:30", "utc": "2025-10-03T04:04:36Z", "ms": 1759464275910.568 } } }, "kaala": "daytime", "days": [ { "local_date": "2025-10-02", "window": { "start": { "local": "2025-10-02T06:19:06+05:30", "utc": "2025-10-02T00:49:06Z", "ms": 1759366145525.8577 }, "end": { "local": "2025-10-02T18:13:03+05:30", "utc": "2025-10-02T12:43:03Z", "ms": 1759408982791.8506 } }, "covered_min": 540, "window_min": 714, "qualifies": true }, { "local_date": "2025-10-03", "window": { "start": { "local": "2025-10-03T06:19:26+05:30", "utc": "2025-10-03T00:49:26Z", "ms": 1759452566356.4016 }, "end": { "local": "2025-10-03T18:12:04+05:30", "utc": "2025-10-03T12:42:04Z", "ms": 1759495324190.0251 } }, "covered_min": 0, "window_min": 713, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 19:02 on Wed 1 Oct to 19:11 on Thu 2 Oct, and Śravaṇa from 09:13 on Thu 2 Oct to 09:35 on Fri 3 Oct. They are together from 09:13 on Thu 2 Oct to 19:11 on Thu 2 Oct.", "fact": "2025-10-02T03:43:28Z → 2025-10-02T13:41:28Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:19–18:13 on the 2nd, 06:19–18:12 on the 3rd.", "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 540 of 714 minutes on the 2nd and 0 of 713 on the 3rd.", "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 3505 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Ujjain, 2025: Thursday 2 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": "2025-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-02", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-10-02" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Vijayā Daśamī (Dussehra) 2025 falls on Thursday 2 October. Daśamī runs from 19:02 on Wed 1 Oct to 19:11 on Thu 2 Oct and is with Śravaṇa in the day time that day, for 540 minutes.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/ekadashi?on=2025-10-03", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40078, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-10-02T19:11:28+05:30", "utc": "2025-10-02T13:41:28Z", "ms": 1759412488199.8057 }, "end": { "local": "2025-10-03T18:33:46+05:30", "utc": "2025-10-03T13:03:46Z", "ms": 1759496625723.1619 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-10-02T19:11:28+05:30", "utc": "2025-10-02T13:41:28Z", "ms": 1759412488199.8057 }, "end": { "local": "2025-10-03T18:33:46+05:30", "utc": "2025-10-03T13:03:46Z", "ms": 1759496625723.1619 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-10-03", "window": { "start": { "local": "2025-10-03T06:19:26+05:30", "utc": "2025-10-03T00:49:26Z", "ms": 1759452566356.4016 }, "end": { "local": "2025-10-03T06:19:26+05:30", "utc": "2025-10-03T00:49:26Z", "ms": 1759452566356.4016 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-10-04", "window": { "start": { "local": "2025-10-04T06:19:47+05:30", "utc": "2025-10-04T00:49:47Z", "ms": 1759538987447.9753 }, "end": { "local": "2025-10-04T06:19:47+05:30", "utc": "2025-10-04T00:49:47Z", "ms": 1759538987447.9753 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:11 on Thu 2 Oct to 18:34 on Fri 3 Oct.", "fact": "2025-10-02T13:41:28Z → 2025-10-03T13:03:46Z" }, { "step": "kaala", "text": "Sunrise is at 06:19 on the 3rd and 06:20 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 40078 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Ujjain, 2025: Friday 3 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": "2025-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-03", "confidence": "determinate" } ], "quote": "In Ujjain, Pāśāṅkuśā Ekādaśī 2025 falls on Friday 3 October. Ekādaśī runs from 19:11 on Thu 2 Oct to 18:34 on Fri 3 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-10-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/pradosha-vrata?on=2025-10-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3668, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-10-04T17:09:57+05:30", "utc": "2025-10-04T11:39:57Z", "ms": 1759577997494.3647 }, "end": { "local": "2025-10-05T15:04:32+05:30", "utc": "2025-10-05T09:34:32Z", "ms": 1759656871674.219 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2025-10-04T17:09:57+05:30", "utc": "2025-10-04T11:39:57Z", "ms": 1759577997494.3647 }, "end": { "local": "2025-10-05T15:04:32+05:30", "utc": "2025-10-05T09:34:32Z", "ms": 1759656871674.219 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-10-04", "window": { "start": { "local": "2025-10-04T18:11:06+05:30", "utc": "2025-10-04T12:41:06Z", "ms": 1759581665969.7964 }, "end": { "local": "2025-10-04T19:48:18+05:30", "utc": "2025-10-04T14:18:18Z", "ms": 1759587498349.3958 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "2025-10-05", "window": { "start": { "local": "2025-10-05T18:10:08+05:30", "utc": "2025-10-05T12:40:08Z", "ms": 1759668008159.464 }, "end": { "local": "2025-10-05T19:47:31+05:30", "utc": "2025-10-05T14:17:31Z", "ms": 1759673851135.5564 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:10 on Sat 4 Oct to 15:05 on Sun 5 Oct.", "fact": "2025-10-04T11:39:57Z → 2025-10-05T09:34:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:48 on the 4th, 18:10–19:48 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 97 of 97 minutes on the 4th and 0 of 97 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3668 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2025: Saturday 4 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": "2025-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-04", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2025 falls on Saturday 4 October. Trayodaśī runs from 17:10 on Sat 4 Oct to 15:05 on Sun 5 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-10-04", "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/2025/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-09", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3384, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-10-09T22:54:57+05:30", "utc": "2025-10-09T17:24:57Z", "ms": 1760030696843.774 }, "end": { "local": "2025-10-10T19:39:02+05:30", "utc": "2025-10-10T14:09:02Z", "ms": 1760105341768.081 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-09T22:54:57+05:30", "utc": "2025-10-09T17:24:57Z", "ms": 1760030696843.774 }, "end": { "local": "2025-10-10T19:39:02+05:30", "utc": "2025-10-10T14:09:02Z", "ms": 1760105341768.081 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-10-09", "window": { "start": { "local": "2025-10-09T19:42:29+05:30", "utc": "2025-10-09T14:12:29Z", "ms": 1760019148998.3496 }, "end": { "local": "2025-10-09T19:42:29+05:30", "utc": "2025-10-09T14:12:29Z", "ms": 1760019148998.3496 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-10-10", "window": { "start": { "local": "2025-10-10T20:35:26+05:30", "utc": "2025-10-10T15:05:26Z", "ms": 1760108726003.0256 }, "end": { "local": "2025-10-10T20:35:26+05:30", "utc": "2025-10-10T15:05:26Z", "ms": 1760108726003.0256 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:55 on Thu 9 Oct to 19:39 on Fri 10 Oct.", "fact": "2025-10-09T17:24:57Z → 2025-10-10T14:09:02Z" }, { "step": "kaala", "text": "Moonrise is at 19:42 on the 9th and 20:35 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: purvaviddha → tithi-day · margin 3384 s" }, { "step": "ruling", "text": "Karaka Caturthī, Ujjain, 2025: Thursday 9 October.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "2025-10-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-09", "confidence": "boundary" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-10-10" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Karaka Caturthī (Karwa Chauth) 2025 falls on Thursday 9 October. Caturthī runs from 22:55 on Thu 9 Oct to 19:39 on Fri 10 Oct, and is current at moonrise on neither day. Rashtriya Panchang recorded 10 October (Principal festivals, 2025-26).", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/sankashta-chaturthi?on=2025-10-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-09", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3384, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-10-09T22:54:57+05:30", "utc": "2025-10-09T17:24:57Z", "ms": 1760030696843.774 }, "end": { "local": "2025-10-10T19:39:02+05:30", "utc": "2025-10-10T14:09:02Z", "ms": 1760105341768.081 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-09T22:54:57+05:30", "utc": "2025-10-09T17:24:57Z", "ms": 1760030696843.774 }, "end": { "local": "2025-10-10T19:39:02+05:30", "utc": "2025-10-10T14:09:02Z", "ms": 1760105341768.081 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-10-09", "window": { "start": { "local": "2025-10-09T19:42:29+05:30", "utc": "2025-10-09T14:12:29Z", "ms": 1760019148998.3496 }, "end": { "local": "2025-10-09T19:42:29+05:30", "utc": "2025-10-09T14:12:29Z", "ms": 1760019148998.3496 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-10-10", "window": { "start": { "local": "2025-10-10T20:35:26+05:30", "utc": "2025-10-10T15:05:26Z", "ms": 1760108726003.0256 }, "end": { "local": "2025-10-10T20:35:26+05:30", "utc": "2025-10-10T15:05:26Z", "ms": 1760108726003.0256 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:55 on Thu 9 Oct to 19:39 on Fri 10 Oct.", "fact": "2025-10-09T17:24:57Z → 2025-10-10T14:09:02Z" }, { "step": "kaala", "text": "Moonrise is at 19:42 on the 9th and 20:35 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 3384 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2025: Thursday 9 October.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-09", "confidence": "boundary" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2025 falls on Thursday 9 October. Caturthī runs from 22:55 on Thu 9 Oct to 19:39 on Fri 10 Oct, and is current at moonrise on neither day.", "cite": "https://ahargana.org/ujjain/festivals/2025/sankashta-chaturthi?on=2025-10-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40661, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2025-10-13T12:24:56+05:30", "utc": "2025-10-13T06:54:56Z", "ms": 1760338496108.7412 }, "end": { "local": "2025-10-14T11:10:08+05:30", "utc": "2025-10-14T05:40:08Z", "ms": 1760420408374.367 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-13T12:24:56+05:30", "utc": "2025-10-13T06:54:56Z", "ms": 1760338496108.7412 }, "end": { "local": "2025-10-14T11:10:08+05:30", "utc": "2025-10-14T05:40:08Z", "ms": 1760420408374.367 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-10-13", "window": { "start": { "local": "2025-10-13T23:42:37+05:30", "utc": "2025-10-13T18:12:37Z", "ms": 1760379156878.136 }, "end": { "local": "2025-10-13T23:42:37+05:30", "utc": "2025-10-13T18:12:37Z", "ms": 1760379156878.136 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-10-14", "window": { "start": { "local": "2025-10-15T00:45:35+05:30", "utc": "2025-10-14T19:15:35Z", "ms": 1760469334522.227 }, "end": { "local": "2025-10-15T00:45:35+05:30", "utc": "2025-10-14T19:15:35Z", "ms": 1760469334522.227 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:25 on Mon 13 Oct to 11:10 on Tue 14 Oct.", "fact": "2025-10-13T06:54:56Z → 2025-10-14T05:40:08Z" }, { "step": "kaala", "text": "Moonrise is at 23:43 on the 13th and 00:46 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 13th and is not on the 14th.", "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 40661 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Ujjain, 2025: Monday 13 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-13", "confidence": "determinate" } ], "quote": "In Ujjain, Ahoyī Aṣṭamī (Ahoi Ashtami) 2025 falls on Monday 13 October. Aṣṭamī runs from 12:25 on Mon 13 Oct to 11:10 on Tue 14 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/ekadashi?on=2025-10-17", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15101, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-10-16T10:36:08+05:30", "utc": "2025-10-16T05:06:08Z", "ms": 1760591167993.0996 }, "end": { "local": "2025-10-17T11:12:43+05:30", "utc": "2025-10-17T05:42:43Z", "ms": 1760679763418.8088 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-16T10:36:08+05:30", "utc": "2025-10-16T05:06:08Z", "ms": 1760591167993.0996 }, "end": { "local": "2025-10-17T11:12:43+05:30", "utc": "2025-10-17T05:42:43Z", "ms": 1760679763418.8088 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-10-16", "window": { "start": { "local": "2025-10-16T06:24:27+05:30", "utc": "2025-10-16T00:54:27Z", "ms": 1760576067161.9429 }, "end": { "local": "2025-10-16T06:24:27+05:30", "utc": "2025-10-16T00:54:27Z", "ms": 1760576067161.9429 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-10-17", "window": { "start": { "local": "2025-10-17T06:24:53+05:30", "utc": "2025-10-17T00:54:53Z", "ms": 1760662493136.519 }, "end": { "local": "2025-10-17T06:24:53+05:30", "utc": "2025-10-17T00:54:53Z", "ms": 1760662493136.519 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:36 on Thu 16 Oct to 11:13 on Fri 17 Oct.", "fact": "2025-10-16T05:06:08Z → 2025-10-17T05:42:43Z" }, { "step": "kaala", "text": "Sunrise is at 06:24 on the 16th and 06:25 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15101 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Ujjain, 2025: Friday 17 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": "2025-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-17", "confidence": "determinate" } ], "quote": "In Ujjain, Ramā Ekādaśī 2025 falls on Friday 17 October. Ekādaśī runs from 10:36 on Thu 16 Oct to 11:13 on Fri 17 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-10-17", "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/2025/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20326, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2025-10-17T11:12:43+05:30", "utc": "2025-10-17T05:42:43Z", "ms": 1760679763418.8088 }, "end": { "local": "2025-10-18T12:19:41+05:30", "utc": "2025-10-18T06:49:41Z", "ms": 1760770180989.6682 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-17T11:12:43+05:30", "utc": "2025-10-17T05:42:43Z", "ms": 1760679763418.8088 }, "end": { "local": "2025-10-18T12:19:41+05:30", "utc": "2025-10-18T06:49:41Z", "ms": 1760770180989.6682 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-10-17", "window": { "start": { "local": "2025-10-17T17:59:17+05:30", "utc": "2025-10-17T12:29:17Z", "ms": 1760704157027.9768 }, "end": { "local": "2025-10-17T19:38:45+05:30", "utc": "2025-10-17T14:08:45Z", "ms": 1760710125366.3584 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2025-10-18", "window": { "start": { "local": "2025-10-18T17:58:27+05:30", "utc": "2025-10-18T12:28:27Z", "ms": 1760790507164.5361 }, "end": { "local": "2025-10-18T19:38:06+05:30", "utc": "2025-10-18T14:08:06Z", "ms": 1760796485736.5723 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 11:13 on Fri 17 Oct to 12:20 on Sat 18 Oct.", "fact": "2025-10-17T05:42:43Z → 2025-10-18T06:49:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:39 on the 17th, 17:58–19:38 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 99 of 99 minutes on the 17th and 0 of 100 on the 18th.", "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 20326 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Ujjain, 2025: Friday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-17", "confidence": "determinate" } ], "quote": "In Ujjain, Govatsa Dvādaśī (Vasu Baras) 2025 falls on Friday 17 October. Dvādaśī runs from 11:13 on Fri 17 Oct to 12:20 on Sat 18 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14728, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-10-18T12:19:41+05:30", "utc": "2025-10-18T06:49:41Z", "ms": 1760770180989.6682 }, "end": { "local": "2025-10-19T13:52:10+05:30", "utc": "2025-10-19T08:22:10Z", "ms": 1760862130208.4153 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-18T12:19:41+05:30", "utc": "2025-10-18T06:49:41Z", "ms": 1760770180989.6682 }, "end": { "local": "2025-10-19T13:52:10+05:30", "utc": "2025-10-19T08:22:10Z", "ms": 1760862130208.4153 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-10-18", "window": { "start": { "local": "2025-10-18T17:58:27+05:30", "utc": "2025-10-18T12:28:27Z", "ms": 1760790507164.5361 }, "end": { "local": "2025-10-18T19:38:06+05:30", "utc": "2025-10-18T14:08:06Z", "ms": 1760796485736.5723 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2025-10-19", "window": { "start": { "local": "2025-10-19T17:57:38+05:30", "utc": "2025-10-19T12:27:38Z", "ms": 1760876858097.0981 }, "end": { "local": "2025-10-19T19:37:27+05:30", "utc": "2025-10-19T14:07:27Z", "ms": 1760882846858.4739 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:20 on Sat 18 Oct to 13:52 on Sun 19 Oct.", "fact": "2025-10-18T06:49:41Z → 2025-10-19T08:22:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:38 on the 18th, 17:58–19:37 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 100 of 100 minutes on the 18th and 0 of 100 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14728 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Ujjain, 2025: Saturday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-18", "confidence": "determinate" } ], "quote": "In Ujjain, Yama Dīpadāna 2025 falls on Saturday 18 October. Trayodaśī runs from 12:20 on Sat 18 Oct to 13:52 on Sun 19 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/pradosha-vrata?on=2025-10-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14728, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-10-18T12:19:41+05:30", "utc": "2025-10-18T06:49:41Z", "ms": 1760770180989.6682 }, "end": { "local": "2025-10-19T13:52:10+05:30", "utc": "2025-10-19T08:22:10Z", "ms": 1760862130208.4153 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-18T12:19:41+05:30", "utc": "2025-10-18T06:49:41Z", "ms": 1760770180989.6682 }, "end": { "local": "2025-10-19T13:52:10+05:30", "utc": "2025-10-19T08:22:10Z", "ms": 1760862130208.4153 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-10-18", "window": { "start": { "local": "2025-10-18T17:58:27+05:30", "utc": "2025-10-18T12:28:27Z", "ms": 1760790507164.5361 }, "end": { "local": "2025-10-18T19:38:06+05:30", "utc": "2025-10-18T14:08:06Z", "ms": 1760796485736.5723 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2025-10-19", "window": { "start": { "local": "2025-10-19T17:57:38+05:30", "utc": "2025-10-19T12:27:38Z", "ms": 1760876858097.0981 }, "end": { "local": "2025-10-19T19:37:27+05:30", "utc": "2025-10-19T14:07:27Z", "ms": 1760882846858.4739 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:20 on Sat 18 Oct to 13:52 on Sun 19 Oct.", "fact": "2025-10-18T06:49:41Z → 2025-10-19T08:22:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:38 on the 18th, 17:58–19:37 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 100 of 100 minutes on the 18th and 0 of 100 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14728 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2025: Saturday 18 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": "2025-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-18", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2025 falls on Saturday 18 October. Trayodaśī runs from 12:20 on Sat 18 Oct to 13:52 on Sun 19 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-10-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/shivaratri?on=2025-10-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28939, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-10-19T13:52:10+05:30", "utc": "2025-10-19T08:22:10Z", "ms": 1760862130208.4153 }, "end": { "local": "2025-10-20T15:45:27+05:30", "utc": "2025-10-20T10:15:27Z", "ms": 1760955327081.2507 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-19T13:52:10+05:30", "utc": "2025-10-19T08:22:10Z", "ms": 1760862130208.4153 }, "end": { "local": "2025-10-20T15:45:27+05:30", "utc": "2025-10-20T10:15:27Z", "ms": 1760955327081.2507 } }, "kaala": "nishita", "days": [ { "local_date": "2025-10-19", "window": { "start": { "local": "2025-10-19T23:47:56+05:30", "utc": "2025-10-19T18:17:56Z", "ms": 1760897875952.2568 }, "end": { "local": "2025-10-20T00:35:56+05:30", "utc": "2025-10-19T19:05:56Z", "ms": 1760900755952.2568 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-10-20", "window": { "start": { "local": "2025-10-20T23:47:46+05:30", "utc": "2025-10-20T18:17:46Z", "ms": 1760984265737.9722 }, "end": { "local": "2025-10-21T00:35:46+05:30", "utc": "2025-10-20T19:05:46Z", "ms": 1760987145737.9722 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:52 on Sun 19 Oct to 15:45 on Mon 20 Oct.", "fact": "2025-10-19T08:22:10Z → 2025-10-20T10:15:27Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:48–00:36 on the 19th, 23:48–00:36 on the 20th.", "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 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28939 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2025: Sunday 19 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": "2025-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-19", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2025 falls on Sunday 19 October. Caturdaśī runs from 13:52 on Sun 19 Oct to 15:45 on Mon 20 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2025/shivaratri?on=2025-10-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26784, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-10-19T13:52:10+05:30", "utc": "2025-10-19T08:22:10Z", "ms": 1760862130208.4153 }, "end": { "local": "2025-10-20T15:45:27+05:30", "utc": "2025-10-20T10:15:27Z", "ms": 1760955327081.2507 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-19T13:52:10+05:30", "utc": "2025-10-19T08:22:10Z", "ms": 1760862130208.4153 }, "end": { "local": "2025-10-20T15:45:27+05:30", "utc": "2025-10-20T10:15:27Z", "ms": 1760955327081.2507 } }, "kaala": "arunodaya", "days": [ { "local_date": "2025-10-19", "window": { "start": { "local": "2025-10-19T04:46:08+05:30", "utc": "2025-10-18T23:16:08Z", "ms": 1760829367882.7717 }, "end": { "local": "2025-10-19T06:25:46+05:30", "utc": "2025-10-19T00:55:46Z", "ms": 1760835346454.8079 } }, "covered_min": 0, "window_min": 100, "qualifies": false }, { "local_date": "2025-10-20", "window": { "start": { "local": "2025-10-20T04:46:25+05:30", "utc": "2025-10-19T23:16:25Z", "ms": 1760915785046.0396 }, "end": { "local": "2025-10-20T06:26:14+05:30", "utc": "2025-10-20T00:56:14Z", "ms": 1760921773807.4153 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:52 on Sun 19 Oct to 15:45 on Mon 20 Oct.", "fact": "2025-10-19T08:22:10Z → 2025-10-20T10:15:27Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:46–06:26 on the 19th, 04:46–06:26 on the 20th.", "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 100 minutes on the 19th and 100 of 100 on the 20th.", "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 26784 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Ujjain, 2025: Monday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-20", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-10-20" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Naraka Caturdaśī (Choti Diwali) 2025 falls on Monday 20 October. Caturdaśī runs from 13:52 on Sun 19 Oct to 15:45 on Mon 20 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-20", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 52, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2025-10-20T15:45:27+05:30", "utc": "2025-10-20T10:15:27Z", "ms": 1760955327081.2507 }, "end": { "local": "2025-10-21T17:55:10+05:30", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-20T15:45:27+05:30", "utc": "2025-10-20T10:15:27Z", "ms": 1760955327081.2507 }, "end": { "local": "2025-10-21T17:55:10+05:30", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-10-20", "window": { "start": { "local": "2025-10-20T17:56:50+05:30", "utc": "2025-10-20T12:26:50Z", "ms": 1760963209849.1445 }, "end": { "local": "2025-10-20T19:36:49+05:30", "utc": "2025-10-20T14:06:49Z", "ms": 1760969208752.8318 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2025-10-21", "window": { "start": { "local": "2025-10-21T17:56:02+05:30", "utc": "2025-10-21T12:26:02Z", "ms": 1761049562443.8284 }, "end": { "local": "2025-10-21T19:36:11+05:30", "utc": "2025-10-21T14:06:11Z", "ms": 1761055571440.0244 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 15:45 on Mon 20 Oct to 17:55 on Tue 21 Oct.", "fact": "2025-10-20T10:15:27Z → 2025-10-21T12:25:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:37 on the 20th, 17:56–19:36 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 100 of 100 minutes on the 20th and 0 of 100 on the 21st.", "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 52 s < 300 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Ujjain, 2025: Monday 20 October.", "fact": "confidence: boundary (margin)" } ], "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": "2025-10-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-20", "confidence": "boundary" }, { "kind": "institution", "institution": { "id": "nse", "name": "National Stock Exchange" }, "local_dates": [ "2025-10-21" ], "statement": "Muhūrat trading, circular of 22 Sep 2025", "source_url": "https://www.business-standard.com/markets/news/nse-to-hold-one-hour-diwali-muhurat-trading-session-on-october-21-125092200907_1.html", "captured_at": "2026-09-11" }, { "kind": "institution", "institution": { "id": "google-calendar-in", "name": "Google Calendar" }, "local_dates": [ "2025-10-20" ], "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": [ "2025-10-20", "2025-10-21" ], "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": [ "2025-10-20" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Lakṣmī Pūjā (Diwali) 2025 falls on Monday 20 October. Amāvasyā runs from 15:45 on Mon 20 Oct to 17:55 on Tue 21 Oct and covers all of pradoṣa that evening. It is 0 min 52 s from a threshold: treat the date as contested. National Stock Exchange recorded 21 October (Muhūrat trading, circular of 22 Sep 2025). Apple iCloud recorded 20 October and 21 October (India Holidays feed, listed twice).", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21146, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2025-10-20T15:45:27+05:30", "utc": "2025-10-20T10:15:27Z", "ms": 1760955327081.2507 }, "end": { "local": "2025-10-21T17:55:10+05:30", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-20T15:45:27+05:30", "utc": "2025-10-20T10:15:27Z", "ms": 1760955327081.2507 }, "end": { "local": "2025-10-21T17:55:10+05:30", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 } }, "kaala": "nishita", "days": [ { "local_date": "2025-10-20", "window": { "start": { "local": "2025-10-20T23:47:46+05:30", "utc": "2025-10-20T18:17:46Z", "ms": 1760984265737.9722 }, "end": { "local": "2025-10-21T00:35:46+05:30", "utc": "2025-10-20T19:05:46Z", "ms": 1760987145737.9722 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-10-21", "window": { "start": { "local": "2025-10-21T23:47:36+05:30", "utc": "2025-10-21T18:17:36Z", "ms": 1761070656179.5635 }, "end": { "local": "2025-10-22T00:35:36+05:30", "utc": "2025-10-21T19:05:36Z", "ms": 1761073536179.5635 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 15:45 on Mon 20 Oct to 17:55 on Tue 21 Oct.", "fact": "2025-10-20T10:15:27Z → 2025-10-21T12:25:10Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:48–00:36 on the 20th, 23:48–00:36 on the 21st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "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 21146 s" }, { "step": "ruling", "text": "Kālī Pūjā, Ujjain, 2025: Monday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-20", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-10-20" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Kālī Pūjā 2025 falls on Monday 20 October. Amāvasyā runs from 15:45 on Mon 20 Oct to 17:55 on Tue 21 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19188, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2025-10-21T17:55:10+05:30", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 }, "end": { "local": "2025-10-22T20:17:14+05:30", "utc": "2025-10-22T14:47:14Z", "ms": 1761144433530.9702 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-21T17:55:10+05:30", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 }, "end": { "local": "2025-10-22T20:17:14+05:30", "utc": "2025-10-22T14:47:14Z", "ms": 1761144433530.9702 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-10-21", "window": { "start": { "local": "2025-10-21T11:47:22+05:30", "utc": "2025-10-21T06:17:22Z", "ms": 1761027442035.314 }, "end": { "local": "2025-10-21T12:35:22+05:30", "utc": "2025-10-21T07:05:22Z", "ms": 1761030322035.314 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-10-22", "window": { "start": { "local": "2025-10-22T11:47:13+05:30", "utc": "2025-10-22T06:17:13Z", "ms": 1761113832909.6763 }, "end": { "local": "2025-10-22T12:35:13+05:30", "utc": "2025-10-22T07:05:13Z", "ms": 1761116712909.6763 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 17:55 on Tue 21 Oct to 20:17 on Wed 22 Oct.", "fact": "2025-10-21T12:25:10Z → 2025-10-22T14:47:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 21st, 11:47–12:35 on the 22nd.", "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 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19188 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Ujjain, 2025: Wednesday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-22", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-10-22" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Govardhana Pūjā 2025 falls on Wednesday 22 October. Pratipadā runs from 17:55 on Tue 21 Oct to 20:17 on Wed 22 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-22", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 52, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2025-10-21T17:55:10+05:30", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 }, "end": { "local": "2025-10-22T20:17:14+05:30", "utc": "2025-10-22T14:47:14Z", "ms": 1761144433530.9702 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-21T17:55:10+05:30", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 }, "end": { "local": "2025-10-22T20:17:14+05:30", "utc": "2025-10-22T14:47:14Z", "ms": 1761144433530.9702 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-10-21", "window": { "start": { "local": "2025-10-21T17:56:02+05:30", "utc": "2025-10-21T12:26:02Z", "ms": 1761049562443.8284 }, "end": { "local": "2025-10-21T19:36:11+05:30", "utc": "2025-10-21T14:06:11Z", "ms": 1761055571440.0244 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2025-10-22", "window": { "start": { "local": "2025-10-22T17:55:16+05:30", "utc": "2025-10-22T12:25:16Z", "ms": 1761135915904.0535 }, "end": { "local": "2025-10-22T19:35:35+05:30", "utc": "2025-10-22T14:05:35Z", "ms": 1761141934940.1135 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 17:55 on Tue 21 Oct to 20:17 on Wed 22 Oct.", "fact": "2025-10-21T12:25:10Z → 2025-10-22T14:47:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:56–19:36 on the 21st, 17:55–19:36 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 100 of 100 minutes on the 21st and 100 of 100 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 52 s < 300 s" }, { "step": "ruling", "text": "Bali Pūjā, Ujjain, 2025: Wednesday 22 October.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-21", "confidence": "boundary" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-10-22" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Bali Pūjā 2025 falls on Wednesday 22 October. Pratipadā runs from 17:55 on Tue 21 Oct to 20:17 on Wed 22 Oct and covers all of pradoṣa that evening. It also reaches the previous evening for 100 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 52 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27522, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2025-10-21T17:55:10+05:30", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 }, "end": { "local": "2025-10-22T20:17:14+05:30", "utc": "2025-10-22T14:47:14Z", "ms": 1761144433530.9702 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-21T17:55:10+05:30", "utc": "2025-10-21T12:25:10Z", "ms": 1761049510434.19 }, "end": { "local": "2025-10-22T20:17:14+05:30", "utc": "2025-10-22T14:47:14Z", "ms": 1761144433530.9702 } }, "kaala": "purvahna", "days": [ { "local_date": "2025-10-21", "window": { "start": { "local": "2025-10-21T06:26:42+05:30", "utc": "2025-10-21T00:56:42Z", "ms": 1761008201626.7998 }, "end": { "local": "2025-10-21T10:16:29+05:30", "utc": "2025-10-21T04:46:29Z", "ms": 1761021988565.8093 } }, "covered_min": 0, "window_min": 230, "qualifies": false }, { "local_date": "2025-10-22", "window": { "start": { "local": "2025-10-22T06:27:10+05:30", "utc": "2025-10-22T00:57:10Z", "ms": 1761094629915.2988 }, "end": { "local": "2025-10-22T10:16:32+05:30", "utc": "2025-10-22T04:46:32Z", "ms": 1761108391911.5503 } }, "covered_min": 229, "window_min": 229, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 17:55 on Tue 21 Oct to 20:17 on Wed 22 Oct.", "fact": "2025-10-21T12:25:10Z → 2025-10-22T14:47:14Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:27–10:16 on the 21st, 06:27–10:17 on the 22nd.", "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 230 minutes on the 21st and 229 of 229 on the 22nd.", "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 27522 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Ujjain, 2025: Wednesday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-22", "confidence": "determinate" } ], "quote": "In Ujjain, Dyūta Pratipad 2025 falls on Wednesday 22 October. Pratipadā runs from 17:55 on Tue 21 Oct to 20:17 on Wed 22 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27721, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2025-10-22T20:17:14+05:30", "utc": "2025-10-22T14:47:14Z", "ms": 1761144433530.9702 }, "end": { "local": "2025-10-23T22:47:15+05:30", "utc": "2025-10-23T17:17:15Z", "ms": 1761239835069.1433 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-22T20:17:14+05:30", "utc": "2025-10-22T14:47:14Z", "ms": 1761144433530.9702 }, "end": { "local": "2025-10-23T22:47:15+05:30", "utc": "2025-10-23T17:17:15Z", "ms": 1761239835069.1433 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-10-22", "window": { "start": { "local": "2025-10-22T11:47:13+05:30", "utc": "2025-10-22T06:17:13Z", "ms": 1761113832909.6763 }, "end": { "local": "2025-10-22T12:35:13+05:30", "utc": "2025-10-22T07:05:13Z", "ms": 1761116712909.6763 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-10-23", "window": { "start": { "local": "2025-10-23T11:47:04+05:30", "utc": "2025-10-23T06:17:04Z", "ms": 1761200224463.521 }, "end": { "local": "2025-10-23T12:35:04+05:30", "utc": "2025-10-23T07:05:04Z", "ms": 1761203104463.521 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 20:17 on Wed 22 Oct to 22:47 on Thu 23 Oct.", "fact": "2025-10-22T14:47:14Z → 2025-10-23T17:17:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 22nd, 11:47–12:35 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27721 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Ujjain, 2025: Thursday 23 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-23", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-10-23" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Yama Dvitīyā (Bhai Dooj) 2025 falls on Thursday 23 October. Dvitīyā runs from 20:17 on Wed 22 Oct to 22:47 on Thu 23 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28674, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-10-25T01:20:01+05:30", "utc": "2025-10-24T19:50:01Z", "ms": 1761335400537.6272 }, "end": { "local": "2025-10-26T03:48:49+05:30", "utc": "2025-10-25T22:18:49Z", "ms": 1761430729397.0483 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-25T01:20:01+05:30", "utc": "2025-10-24T19:50:01Z", "ms": 1761335400537.6272 }, "end": { "local": "2025-10-26T03:48:49+05:30", "utc": "2025-10-25T22:18:49Z", "ms": 1761430729397.0483 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-10-25", "window": { "start": { "local": "2025-10-25T11:46:50+05:30", "utc": "2025-10-25T06:16:50Z", "ms": 1761373009656.2593 }, "end": { "local": "2025-10-25T12:34:50+05:30", "utc": "2025-10-25T07:04:50Z", "ms": 1761375889656.2593 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-10-26", "window": { "start": { "local": "2025-10-26T11:46:43+05:30", "utc": "2025-10-26T06:16:43Z", "ms": 1761459403317.56 }, "end": { "local": "2025-10-26T12:34:43+05:30", "utc": "2025-10-26T07:04:43Z", "ms": 1761462283317.56 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:20 on Sat 25 Oct to 03:49 on Sun 26 Oct.", "fact": "2025-10-24T19:50:01Z → 2025-10-25T22:18:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 25th, 11:47–12:35 on the 26th.", "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 25th and 0 of 48 on the 26th.", "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 28674 s" }, { "step": "ruling", "text": "Nāga Caturthī, Ujjain, 2025: Saturday 25 October.", "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": "2025-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-25", "confidence": "determinate" } ], "quote": "In Ujjain, Nāga Caturthī 2025 falls on Saturday 25 October. Caturthī runs from 01:20 on Sat 25 Oct to 03:49 on Sun 26 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/vinayaka-chaturthi?on=2025-10-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28674, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-10-25T01:20:01+05:30", "utc": "2025-10-24T19:50:01Z", "ms": 1761335400537.6272 }, "end": { "local": "2025-10-26T03:48:49+05:30", "utc": "2025-10-25T22:18:49Z", "ms": 1761430729397.0483 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-25T01:20:01+05:30", "utc": "2025-10-24T19:50:01Z", "ms": 1761335400537.6272 }, "end": { "local": "2025-10-26T03:48:49+05:30", "utc": "2025-10-25T22:18:49Z", "ms": 1761430729397.0483 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-10-25", "window": { "start": { "local": "2025-10-25T11:46:50+05:30", "utc": "2025-10-25T06:16:50Z", "ms": 1761373009656.2593 }, "end": { "local": "2025-10-25T12:34:50+05:30", "utc": "2025-10-25T07:04:50Z", "ms": 1761375889656.2593 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-10-26", "window": { "start": { "local": "2025-10-26T11:46:43+05:30", "utc": "2025-10-26T06:16:43Z", "ms": 1761459403317.56 }, "end": { "local": "2025-10-26T12:34:43+05:30", "utc": "2025-10-26T07:04:43Z", "ms": 1761462283317.56 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:20 on Sat 25 Oct to 03:49 on Sun 26 Oct.", "fact": "2025-10-24T19:50:01Z → 2025-10-25T22:18:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 25th, 11:47–12:35 on the 26th.", "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 25th and 0 of 48 on the 26th.", "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 28674 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2025: Saturday 25 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": "2025-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-25", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2025 falls on Saturday 25 October. Caturthī runs from 01:20 on Sat 25 Oct to 03:49 on Sun 26 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/vinayaka-chaturthi?on=2025-10-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13577, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2025-10-27T06:05:25+05:30", "utc": "2025-10-27T00:35:25Z", "ms": 1761525324548.31 }, "end": { "local": "2025-10-28T08:00:16+05:30", "utc": "2025-10-28T02:30:16Z", "ms": 1761618616132.6436 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-27T06:05:25+05:30", "utc": "2025-10-27T00:35:25Z", "ms": 1761525324548.31 }, "end": { "local": "2025-10-28T08:00:16+05:30", "utc": "2025-10-28T02:30:16Z", "ms": 1761618616132.6436 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-10-27", "window": { "start": { "local": "2025-10-27T11:46:38+05:30", "utc": "2025-10-27T06:16:38Z", "ms": 1761545797703.2183 }, "end": { "local": "2025-10-27T12:34:38+05:30", "utc": "2025-10-27T07:04:38Z", "ms": 1761548677703.2183 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-10-28", "window": { "start": { "local": "2025-10-28T11:46:33+05:30", "utc": "2025-10-28T06:16:33Z", "ms": 1761632192823.6807 }, "end": { "local": "2025-10-28T12:34:33+05:30", "utc": "2025-10-28T07:04:33Z", "ms": 1761635072823.6807 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 06:05 on Mon 27 Oct to 08:00 on Tue 28 Oct.", "fact": "2025-10-27T00:35:25Z → 2025-10-28T02:30:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 27th, 11:47–12:35 on the 28th.", "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 27th and 0 of 48 on the 28th.", "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 13577 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Ujjain, 2025: Monday 27 October.", "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": "2025-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-27", "confidence": "determinate" }, { "kind": "institution", "institution": { "id": "rashtriya-panchang", "name": "Rashtriya Panchang" }, "local_dates": [ "2025-10-28" ], "statement": "Principal festivals, 2025-26", "source_url": "https://packolkata.imd.gov.in/rashtriya-panchang-english.php", "captured_at": "2026-11-10" } ], "quote": "In Ujjain, Sūrya Ṣaṣṭhī (Chhath) 2025 falls on Monday 27 October. Ṣaṣṭhī runs from 06:05 on Mon 27 Oct to 08:00 on Tue 28 Oct and covers all of madhyāhna that midday. Rashtriya Panchang recorded 28 October (Principal festivals, 2025-26).", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5963, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2025-10-29T09:23:41+05:30", "utc": "2025-10-29T03:53:41Z", "ms": 1761710020696.3274 }, "end": { "local": "2025-10-30T10:07:02+05:30", "utc": "2025-10-30T04:37:02Z", "ms": 1761799022164.3362 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-29T09:23:41+05:30", "utc": "2025-10-29T03:53:41Z", "ms": 1761710020696.3274 }, "end": { "local": "2025-10-30T10:07:02+05:30", "utc": "2025-10-30T04:37:02Z", "ms": 1761799022164.3362 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-10-29", "window": { "start": { "local": "2025-10-29T11:46:29+05:30", "utc": "2025-10-29T06:16:29Z", "ms": 1761718588689.1597 }, "end": { "local": "2025-10-29T12:34:29+05:30", "utc": "2025-10-29T07:04:29Z", "ms": 1761721468689.1597 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-10-30", "window": { "start": { "local": "2025-10-30T11:46:25+05:30", "utc": "2025-10-30T06:16:25Z", "ms": 1761804985309.7073 }, "end": { "local": "2025-10-30T12:34:25+05:30", "utc": "2025-10-30T07:04:25Z", "ms": 1761807865309.7073 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:24 on Wed 29 Oct to 10:07 on Thu 30 Oct.", "fact": "2025-10-29T03:53:41Z → 2025-10-30T04:37:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 29th, 11:46–12:34 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5963 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Ujjain, 2025: Wednesday 29 October.", "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": "2025-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-29", "confidence": "determinate" } ], "quote": "In Ujjain, Gopāṣṭamī 2025 falls on Wednesday 29 October. Aṣṭamī runs from 09:24 on Wed 29 Oct to 10:07 on Thu 30 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5963, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2025-10-30T10:07:02+05:30", "utc": "2025-10-30T04:37:02Z", "ms": 1761799022164.3362 }, "end": { "local": "2025-10-31T10:04:11+05:30", "utc": "2025-10-31T04:34:11Z", "ms": 1761885250682.135 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-30T10:07:02+05:30", "utc": "2025-10-30T04:37:02Z", "ms": 1761799022164.3362 }, "end": { "local": "2025-10-31T10:04:11+05:30", "utc": "2025-10-31T04:34:11Z", "ms": 1761885250682.135 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-10-30", "window": { "start": { "local": "2025-10-30T11:46:25+05:30", "utc": "2025-10-30T06:16:25Z", "ms": 1761804985309.7073 }, "end": { "local": "2025-10-30T12:34:25+05:30", "utc": "2025-10-30T07:04:25Z", "ms": 1761807865309.7073 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-10-31", "window": { "start": { "local": "2025-10-31T11:46:23+05:30", "utc": "2025-10-31T06:16:23Z", "ms": 1761891382695.326 }, "end": { "local": "2025-10-31T12:34:23+05:30", "utc": "2025-10-31T07:04:23Z", "ms": 1761894262695.326 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 10:07 on Thu 30 Oct to 10:04 on Fri 31 Oct.", "fact": "2025-10-30T04:37:02Z → 2025-10-31T04:34:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 30th, 11:46–12:34 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5963 s" }, { "step": "ruling", "text": "Durgā Navamī, Ujjain, 2025: Thursday 30 October.", "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": "2025-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-30", "confidence": "determinate" } ], "quote": "In Ujjain, Durgā Navamī 2025 falls on Thursday 30 October. Navamī runs from 10:07 on Thu 30 Oct to 10:04 on Fri 31 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-10-31", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 619, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2025-10-30T10:07:02+05:30", "utc": "2025-10-30T04:37:02Z", "ms": 1761799022164.3362 }, "end": { "local": "2025-10-31T10:04:11+05:30", "utc": "2025-10-31T04:34:11Z", "ms": 1761885250682.135 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-10-30T10:07:02+05:30", "utc": "2025-10-30T04:37:02Z", "ms": 1761799022164.3362 }, "end": { "local": "2025-10-31T10:04:11+05:30", "utc": "2025-10-31T04:34:11Z", "ms": 1761885250682.135 } }, "kaala": "purvahna", "days": [ { "local_date": "2025-10-30", "window": { "start": { "local": "2025-10-30T06:31:13+05:30", "utc": "2025-10-30T01:01:13Z", "ms": 1761786073167.8005 }, "end": { "local": "2025-10-30T10:17:21+05:30", "utc": "2025-10-30T04:47:21Z", "ms": 1761799641262.405 } }, "covered_min": 10, "window_min": 226, "qualifies": true }, { "local_date": "2025-10-31", "window": { "start": { "local": "2025-10-31T06:31:46+05:30", "utc": "2025-10-31T01:01:46Z", "ms": 1761872505675.9863 }, "end": { "local": "2025-10-31T10:17:30+05:30", "utc": "2025-10-31T04:47:30Z", "ms": 1761886050355.5461 } }, "covered_min": 212, "window_min": 226, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Navamī runs from 10:07 on Thu 30 Oct to 10:04 on Fri 31 Oct.", "fact": "2025-10-30T04:37:02Z → 2025-10-31T04:34:11Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:31–10:17 on the 30th, 06:32–10:18 on the 31st.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 10 of 226 minutes on the 30th and 212 of 226 on the 31st.", "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 619 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Ujjain, 2025: Friday 31 October.", "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": "2025-10-31", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-10-31", "confidence": "boundary" } ], "quote": "In Ujjain, Akṣaya Navamī (Amla Navami) 2025 falls on Friday 31 October. Navamī runs from 10:07 on Thu 30 Oct to 10:04 on Fri 31 Oct and covers 212 of 226 minutes of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 10 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/2025/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/2025/ekadashi?on=2025-11-02", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3555, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-11-01T09:12:16+05:30", "utc": "2025-11-01T03:42:16Z", "ms": 1761968536337.4534 }, "end": { "local": "2025-11-02T07:32:07+05:30", "utc": "2025-11-02T02:02:07Z", "ms": 1762048926588.783 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-11-01T09:12:16+05:30", "utc": "2025-11-01T03:42:16Z", "ms": 1761968536337.4534 }, "end": { "local": "2025-11-02T07:32:07+05:30", "utc": "2025-11-02T02:02:07Z", "ms": 1762048926588.783 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-11-01", "window": { "start": { "local": "2025-11-01T06:32:19+05:30", "utc": "2025-11-01T01:02:19Z", "ms": 1761958938643.8464 }, "end": { "local": "2025-11-01T06:32:19+05:30", "utc": "2025-11-01T01:02:19Z", "ms": 1761958938643.8464 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-11-02", "window": { "start": { "local": "2025-11-02T06:32:52+05:30", "utc": "2025-11-02T01:02:52Z", "ms": 1762045372069.3835 }, "end": { "local": "2025-11-02T06:32:52+05:30", "utc": "2025-11-02T01:02:52Z", "ms": 1762045372069.3835 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:12 on Sat 1 Nov to 07:32 on Sun 2 Nov.", "fact": "2025-11-01T03:42:16Z → 2025-11-02T02:02:07Z" }, { "step": "kaala", "text": "Sunrise is at 06:32 on the 1st and 06:33 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3555 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Ujjain, 2025: Sunday 2 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": "2025-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-02", "confidence": "determinate" } ], "quote": "In Ujjain, Prabodhinī Ekādaśī 2025 falls on Sunday 2 November. Ekādaśī runs from 09:12 on Sat 1 Nov to 07:32 on Sun 2 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-11-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/pradosha-vrata?on=2025-11-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23817, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-11-03T05:07:51+05:30", "utc": "2025-11-02T23:37:51Z", "ms": 1762126670824.928 }, "end": { "local": "2025-11-04T02:06:25+05:30", "utc": "2025-11-03T20:36:25Z", "ms": 1762202184529.3372 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-11-03T05:07:51+05:30", "utc": "2025-11-02T23:37:51Z", "ms": 1762126670824.928 }, "end": { "local": "2025-11-04T02:06:25+05:30", "utc": "2025-11-03T20:36:25Z", "ms": 1762202184529.3372 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-11-02", "window": { "start": { "local": "2025-11-02T17:47:48+05:30", "utc": "2025-11-02T12:17:48Z", "ms": 1762085867536.6934 }, "end": { "local": "2025-11-02T19:29:53+05:30", "utc": "2025-11-02T13:59:53Z", "ms": 1762091992658.4988 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "2025-11-03", "window": { "start": { "local": "2025-11-03T17:47:13+05:30", "utc": "2025-11-03T12:17:13Z", "ms": 1762172233142.1284 }, "end": { "local": "2025-11-03T19:29:27+05:30", "utc": "2025-11-03T13:59:27Z", "ms": 1762178367427.8489 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:08 on Mon 3 Nov to 02:06 on Tue 4 Nov.", "fact": "2025-11-02T23:37:51Z → 2025-11-03T20:36:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:48–19:30 on the 2nd, 17:47–19:29 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 102 minutes on the 2nd and 102 of 102 on the 3rd.", "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 23817 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2025: Monday 3 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": "2025-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-03", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2025 falls on Monday 3 November. Trayodaśī runs from 05:08 on Mon 3 Nov to 02:06 on Tue 4 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-11-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4191, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-11-04T22:36:47+05:30", "utc": "2025-11-04T17:06:47Z", "ms": 1762276006520.541 }, "end": { "local": "2025-11-05T18:49:18+05:30", "utc": "2025-11-05T13:19:18Z", "ms": 1762348758453.552 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-11-04T22:36:47+05:30", "utc": "2025-11-04T17:06:47Z", "ms": 1762276006520.541 }, "end": { "local": "2025-11-05T18:49:18+05:30", "utc": "2025-11-05T13:19:18Z", "ms": 1762348758453.552 } }, "kaala": "nishita", "days": [ { "local_date": "2025-11-04", "window": { "start": { "local": "2025-11-04T23:46:37+05:30", "utc": "2025-11-04T18:16:37Z", "ms": 1762280197490.803 }, "end": { "local": "2025-11-05T00:34:37+05:30", "utc": "2025-11-04T19:04:37Z", "ms": 1762283077490.803 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-11-05", "window": { "start": { "local": "2025-11-05T23:46:39+05:30", "utc": "2025-11-05T18:16:39Z", "ms": 1762366599086.6196 }, "end": { "local": "2025-11-06T00:34:39+05:30", "utc": "2025-11-05T19:04:39Z", "ms": 1762369479086.6196 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:37 on Tue 4 Nov to 18:49 on Wed 5 Nov.", "fact": "2025-11-04T17:06:47Z → 2025-11-05T13:19:18Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 4th, 23:47–00:35 on the 5th.", "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 4th and 0 of 48 on the 5th.", "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 4191 s" }, { "step": "ruling", "text": "Rāsayātrā, Ujjain, 2025: Tuesday 4 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": "2025-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-04", "confidence": "determinate" } ], "quote": "In Ujjain, Rāsayātrā 2025 falls on Tuesday 4 November. Pūrṇimā runs from 22:37 on Tue 4 Nov to 18:49 on Wed 5 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22497, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-11-04T22:36:47+05:30", "utc": "2025-11-04T17:06:47Z", "ms": 1762276006520.541 }, "end": { "local": "2025-11-05T18:49:18+05:30", "utc": "2025-11-05T13:19:18Z", "ms": 1762348758453.552 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2025-11-04T22:36:47+05:30", "utc": "2025-11-04T17:06:47Z", "ms": 1762276006520.541 }, "end": { "local": "2025-11-05T18:49:18+05:30", "utc": "2025-11-05T13:19:18Z", "ms": 1762348758453.552 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-11-04", "window": { "start": { "local": "2025-11-04T11:46:20+05:30", "utc": "2025-11-04T06:16:20Z", "ms": 1762236980096.914 }, "end": { "local": "2025-11-04T12:34:20+05:30", "utc": "2025-11-04T07:04:20Z", "ms": 1762239860096.914 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-11-05", "window": { "start": { "local": "2025-11-05T11:46:21+05:30", "utc": "2025-11-05T06:16:21Z", "ms": 1762323381466.7886 }, "end": { "local": "2025-11-05T12:34:21+05:30", "utc": "2025-11-05T07:04:21Z", "ms": 1762326261466.7886 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:37 on Tue 4 Nov to 18:49 on Wed 5 Nov.", "fact": "2025-11-04T17:06:47Z → 2025-11-05T13:19:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 4th, 11:46–12:34 on the 5th.", "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 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22497 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Ujjain, 2025: Wednesday 5 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": "2025-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-05", "confidence": "determinate" } ], "quote": "In Ujjain, Kārtikī Pūrṇimā 2025 falls on Wednesday 5 November. Pūrṇimā runs from 22:37 on Tue 4 Nov to 18:49 on Wed 5 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/sankashta-chaturthi?on=2025-11-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28982, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-11-08T07:32:37+05:30", "utc": "2025-11-08T02:02:37Z", "ms": 1762567356613.168 }, "end": { "local": "2025-11-09T04:26:08+05:30", "utc": "2025-11-08T22:56:08Z", "ms": 1762642567799.1084 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-08T07:32:37+05:30", "utc": "2025-11-08T02:02:37Z", "ms": 1762567356613.168 }, "end": { "local": "2025-11-09T04:26:08+05:30", "utc": "2025-11-08T22:56:08Z", "ms": 1762642567799.1084 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-11-07", "window": { "start": { "local": "2025-11-07T19:18:43+05:30", "utc": "2025-11-07T13:48:43Z", "ms": 1762523323107.9568 }, "end": { "local": "2025-11-07T19:18:43+05:30", "utc": "2025-11-07T13:48:43Z", "ms": 1762523323107.9568 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-11-08", "window": { "start": { "local": "2025-11-08T20:23:06+05:30", "utc": "2025-11-08T14:53:06Z", "ms": 1762613585768.149 }, "end": { "local": "2025-11-08T20:23:06+05:30", "utc": "2025-11-08T14:53:06Z", "ms": 1762613585768.149 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:33 on Sat 8 Nov to 04:26 on Sun 9 Nov.", "fact": "2025-11-08T02:02:37Z → 2025-11-08T22:56:08Z" }, { "step": "kaala", "text": "Moonrise is at 19:19 on the 7th and 20:23 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28982 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2025: Saturday 8 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": "2025-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-08", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2025 falls on Saturday 8 November. Caturthī runs from 07:33 on Sat 8 Nov to 04:26 on Sun 9 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/sankashta-chaturthi?on=2025-11-08", "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/2025/ekadashi?on=2025-11-15", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14616, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-11-15T00:50:17+05:30", "utc": "2025-11-14T19:20:17Z", "ms": 1763148016839.8535 }, "end": { "local": "2025-11-16T02:37:50+05:30", "utc": "2025-11-15T21:07:50Z", "ms": 1763240869994.343 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-15T00:50:17+05:30", "utc": "2025-11-14T19:20:17Z", "ms": 1763148016839.8535 }, "end": { "local": "2025-11-16T02:37:50+05:30", "utc": "2025-11-15T21:07:50Z", "ms": 1763240869994.343 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-11-15", "window": { "start": { "local": "2025-11-15T06:40:47+05:30", "utc": "2025-11-15T01:10:47Z", "ms": 1763169046765.697 }, "end": { "local": "2025-11-15T06:40:47+05:30", "utc": "2025-11-15T01:10:47Z", "ms": 1763169046765.697 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-11-16", "window": { "start": { "local": "2025-11-16T06:41:26+05:30", "utc": "2025-11-16T01:11:26Z", "ms": 1763255486052.7393 }, "end": { "local": "2025-11-16T06:41:26+05:30", "utc": "2025-11-16T01:11:26Z", "ms": 1763255486052.7393 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:50 on Sat 15 Nov to 02:38 on Sun 16 Nov.", "fact": "2025-11-14T19:20:17Z → 2025-11-15T21:07:50Z" }, { "step": "kaala", "text": "Sunrise is at 06:41 on the 15th and 06:41 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 15th and is not on the 16th.", "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 14616 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Ujjain, 2025: Saturday 15 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": "2025-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-15", "confidence": "determinate" } ], "quote": "In Ujjain, Utpannā Ekādaśī 2025 falls on Saturday 15 November. Ekādaśī runs from 00:50 on Sat 15 Nov to 02:38 on Sun 16 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-11-15", "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/2025/pradosha-vrata?on=2025-11-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33744, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-11-17T04:48:07+05:30", "utc": "2025-11-16T23:18:07Z", "ms": 1763335087214.1775 }, "end": { "local": "2025-11-18T07:12:35+05:30", "utc": "2025-11-18T01:42:35Z", "ms": 1763430155402.353 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-17T04:48:07+05:30", "utc": "2025-11-16T23:18:07Z", "ms": 1763335087214.1775 }, "end": { "local": "2025-11-18T07:12:35+05:30", "utc": "2025-11-18T01:42:35Z", "ms": 1763430155402.353 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-11-16", "window": { "start": { "local": "2025-11-16T17:41:40+05:30", "utc": "2025-11-16T12:11:40Z", "ms": 1763295099889.8398 }, "end": { "local": "2025-11-16T19:25:43+05:30", "utc": "2025-11-16T13:55:43Z", "ms": 1763301343324.4683 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "2025-11-17", "window": { "start": { "local": "2025-11-17T17:41:24+05:30", "utc": "2025-11-17T12:11:24Z", "ms": 1763381483674.352 }, "end": { "local": "2025-11-17T19:25:35+05:30", "utc": "2025-11-17T13:55:35Z", "ms": 1763387734588.651 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:48 on Mon 17 Nov to 07:13 on Tue 18 Nov.", "fact": "2025-11-16T23:18:07Z → 2025-11-18T01:42:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:42–19:26 on the 16th, 17:41–19:26 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 0 of 104 minutes on the 16th and 104 of 104 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 33744 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2025: Monday 17 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": "2025-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-17", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2025 falls on Monday 17 November. Trayodaśī runs from 04:48 on Mon 17 Nov to 07:13 on Tue 18 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-11-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/shivaratri?on=2025-11-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-11-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23791, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-11-18T07:12:35+05:30", "utc": "2025-11-18T01:42:35Z", "ms": 1763430155402.353 }, "end": { "local": "2025-11-19T09:44:08+05:30", "utc": "2025-11-19T04:14:08Z", "ms": 1763525647692.8962 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-18T07:12:35+05:30", "utc": "2025-11-18T01:42:35Z", "ms": 1763430155402.353 }, "end": { "local": "2025-11-19T09:44:08+05:30", "utc": "2025-11-19T04:14:08Z", "ms": 1763525647692.8962 } }, "kaala": "nishita", "days": [ { "local_date": "2025-11-17", "window": { "start": { "local": "2025-11-17T23:48:05+05:30", "utc": "2025-11-17T18:18:05Z", "ms": 1763403484602.9727 }, "end": { "local": "2025-11-18T00:36:05+05:30", "utc": "2025-11-17T19:06:05Z", "ms": 1763406364602.9727 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-11-18", "window": { "start": { "local": "2025-11-18T23:48:17+05:30", "utc": "2025-11-18T18:18:17Z", "ms": 1763489897271.1848 }, "end": { "local": "2025-11-19T00:36:17+05:30", "utc": "2025-11-18T19:06:17Z", "ms": 1763492777271.1848 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:13 on Tue 18 Nov to 09:44 on Wed 19 Nov.", "fact": "2025-11-18T01:42:35Z → 2025-11-19T04:14:08Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:48–00:36 on the 17th, 23:48–00:36 on the 18th.", "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 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23791 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2025: Tuesday 18 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": "2025-11-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-18", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2025 falls on Tuesday 18 November. Caturdaśī runs from 07:13 on Tue 18 Nov to 09:44 on Wed 19 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2025/shivaratri?on=2025-11-18", "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/2025/vinayaka-chaturthi?on=2025-11-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-11-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24483, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-11-23T19:25:16+05:30", "utc": "2025-11-23T13:55:16Z", "ms": 1763906115699.2617 }, "end": { "local": "2025-11-24T21:22:40+05:30", "utc": "2025-11-24T15:52:40Z", "ms": 1763999560271.082 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-23T19:25:16+05:30", "utc": "2025-11-23T13:55:16Z", "ms": 1763906115699.2617 }, "end": { "local": "2025-11-24T21:22:40+05:30", "utc": "2025-11-24T15:52:40Z", "ms": 1763999560271.082 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-11-23", "window": { "start": { "local": "2025-11-23T11:49:12+05:30", "utc": "2025-11-23T06:19:12Z", "ms": 1763878752235.49 }, "end": { "local": "2025-11-23T12:37:12+05:30", "utc": "2025-11-23T07:07:12Z", "ms": 1763881632235.49 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-11-24", "window": { "start": { "local": "2025-11-24T11:49:30+05:30", "utc": "2025-11-24T06:19:30Z", "ms": 1763965169617.714 }, "end": { "local": "2025-11-24T12:37:30+05:30", "utc": "2025-11-24T07:07:30Z", "ms": 1763968049617.714 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:25 on Sun 23 Nov to 21:23 on Mon 24 Nov.", "fact": "2025-11-23T13:55:16Z → 2025-11-24T15:52:40Z" }, { "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": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24483 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2025: Monday 24 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": "2025-11-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-24", "confidence": "determinate" } ], "quote": "In Ujjain, Vināyaka Caturthī 2025 falls on Monday 24 November. Caturthī runs from 19:25 on Sun 23 Nov to 21:23 on Mon 24 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/vinayaka-chaturthi?on=2025-11-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31511, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2025-11-24T21:22:40+05:30", "utc": "2025-11-24T15:52:40Z", "ms": 1763999560271.082 }, "end": { "local": "2025-11-25T22:57:32+05:30", "utc": "2025-11-25T17:27:32Z", "ms": 1764091651741.5654 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-24T21:22:40+05:30", "utc": "2025-11-24T15:52:40Z", "ms": 1763999560271.082 }, "end": { "local": "2025-11-25T22:57:32+05:30", "utc": "2025-11-25T17:27:32Z", "ms": 1764091651741.5654 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-11-24", "window": { "start": { "local": "2025-11-24T11:49:30+05:30", "utc": "2025-11-24T06:19:30Z", "ms": 1763965169617.714 }, "end": { "local": "2025-11-24T12:37:30+05:30", "utc": "2025-11-24T07:07:30Z", "ms": 1763968049617.714 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-11-25", "window": { "start": { "local": "2025-11-25T11:49:48+05:30", "utc": "2025-11-25T06:19:48Z", "ms": 1764051587755.4832 }, "end": { "local": "2025-11-25T12:37:48+05:30", "utc": "2025-11-25T07:07:48Z", "ms": 1764054467755.4832 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 21:23 on Mon 24 Nov to 22:58 on Tue 25 Nov.", "fact": "2025-11-24T15:52:40Z → 2025-11-25T17:27:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 24th, 11:50–12:38 on the 25th.", "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 24th and 48 of 48 on the 25th.", "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 31511 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Ujjain, 2025: Tuesday 25 November.", "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": "2025-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-25", "confidence": "determinate" } ], "quote": "In Ujjain, Nāga Pañcamī (Mārgaśīrṣa) 2025 falls on Tuesday 25 November. Pañcamī runs from 21:23 on Mon 24 Nov to 22:58 on Tue 25 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37184, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2025-11-25T22:57:32+05:30", "utc": "2025-11-25T17:27:32Z", "ms": 1764091651741.5654 }, "end": { "local": "2025-11-27T00:02:31+05:30", "utc": "2025-11-26T18:32:31Z", "ms": 1764181950593.8586 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-25T22:57:32+05:30", "utc": "2025-11-25T17:27:32Z", "ms": 1764091651741.5654 }, "end": { "local": "2025-11-27T00:02:31+05:30", "utc": "2025-11-26T18:32:31Z", "ms": 1764181950593.8586 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-11-25", "window": { "start": { "local": "2025-11-25T11:49:48+05:30", "utc": "2025-11-25T06:19:48Z", "ms": 1764051587755.4832 }, "end": { "local": "2025-11-25T12:37:48+05:30", "utc": "2025-11-25T07:07:48Z", "ms": 1764054467755.4832 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-11-26", "window": { "start": { "local": "2025-11-26T11:50:07+05:30", "utc": "2025-11-26T06:20:07Z", "ms": 1764138006631.4187 }, "end": { "local": "2025-11-26T12:38:07+05:30", "utc": "2025-11-26T07:08:07Z", "ms": 1764140886631.4187 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:58 on Tue 25 Nov to 00:03 on Thu 27 Nov.", "fact": "2025-11-25T17:27:32Z → 2025-11-26T18:32:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 25th, 11:50–12:38 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37184 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Ujjain, 2025: Wednesday 26 November.", "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": "2025-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-26", "confidence": "determinate" } ], "quote": "In Ujjain, Campā Ṣaṣṭhī 2025 falls on Wednesday 26 November. Ṣaṣṭhī runs from 22:58 on Tue 25 Nov to 00:03 on Thu 27 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37184, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2025-11-25T22:57:32+05:30", "utc": "2025-11-25T17:27:32Z", "ms": 1764091651741.5654 }, "end": { "local": "2025-11-27T00:02:31+05:30", "utc": "2025-11-26T18:32:31Z", "ms": 1764181950593.8586 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-25T22:57:32+05:30", "utc": "2025-11-25T17:27:32Z", "ms": 1764091651741.5654 }, "end": { "local": "2025-11-27T00:02:31+05:30", "utc": "2025-11-26T18:32:31Z", "ms": 1764181950593.8586 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-11-25", "window": { "start": { "local": "2025-11-25T11:49:48+05:30", "utc": "2025-11-25T06:19:48Z", "ms": 1764051587755.4832 }, "end": { "local": "2025-11-25T12:37:48+05:30", "utc": "2025-11-25T07:07:48Z", "ms": 1764054467755.4832 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-11-26", "window": { "start": { "local": "2025-11-26T11:50:07+05:30", "utc": "2025-11-26T06:20:07Z", "ms": 1764138006631.4187 }, "end": { "local": "2025-11-26T12:38:07+05:30", "utc": "2025-11-26T07:08:07Z", "ms": 1764140886631.4187 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:58 on Tue 25 Nov to 00:03 on Thu 27 Nov.", "fact": "2025-11-25T17:27:32Z → 2025-11-26T18:32:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 25th, 11:50–12:38 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 37184 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Ujjain, 2025: Wednesday 26 November.", "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": "2025-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-26", "confidence": "determinate" } ], "quote": "In Ujjain, Skanda Ṣaṣṭhī 2025 falls on Wednesday 26 November. Ṣaṣṭhī runs from 22:58 on Tue 25 Nov to 00:03 on Thu 27 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40816, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2025-11-27T00:02:31+05:30", "utc": "2025-11-26T18:32:31Z", "ms": 1764181950593.8586 }, "end": { "local": "2025-11-28T00:30:31+05:30", "utc": "2025-11-27T19:00:31Z", "ms": 1764270030841.336 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-27T00:02:31+05:30", "utc": "2025-11-26T18:32:31Z", "ms": 1764181950593.8586 }, "end": { "local": "2025-11-28T00:30:31+05:30", "utc": "2025-11-27T19:00:31Z", "ms": 1764270030841.336 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-11-27", "window": { "start": { "local": "2025-11-27T11:50:26+05:30", "utc": "2025-11-27T06:20:26Z", "ms": 1764224426227.4146 }, "end": { "local": "2025-11-27T12:38:26+05:30", "utc": "2025-11-27T07:08:26Z", "ms": 1764227306227.4146 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2025-11-28", "window": { "start": { "local": "2025-11-28T11:50:47+05:30", "utc": "2025-11-28T06:20:47Z", "ms": 1764310846524.786 }, "end": { "local": "2025-11-28T12:38:47+05:30", "utc": "2025-11-28T07:08:47Z", "ms": 1764313726524.786 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 00:03 on Thu 27 Nov to 00:31 on Fri 28 Nov.", "fact": "2025-11-26T18:32:31Z → 2025-11-27T19:00:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 27th, 11:51–12:39 on the 28th.", "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 27th and 0 of 48 on the 28th.", "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 40816 s" }, { "step": "ruling", "text": "Mitra Saptamī, Ujjain, 2025: Thursday 27 November.", "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": "2025-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-11-27", "confidence": "determinate" } ], "quote": "In Ujjain, Mitra Saptamī 2025 falls on Thursday 27 November. Saptamī runs from 00:03 on Thu 27 Nov to 00:31 on Fri 28 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/ekadashi?on=2025-12-01", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-12-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33713, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-11-30T21:29:44+05:30", "utc": "2025-11-30T15:59:44Z", "ms": 1764518383627.6091 }, "end": { "local": "2025-12-01T19:01:39+05:30", "utc": "2025-12-01T13:31:39Z", "ms": 1764595899189.909 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-11-30T21:29:44+05:30", "utc": "2025-11-30T15:59:44Z", "ms": 1764518383627.6091 }, "end": { "local": "2025-12-01T19:01:39+05:30", "utc": "2025-12-01T13:31:39Z", "ms": 1764595899189.909 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-12-01", "window": { "start": { "local": "2025-12-01T06:51:36+05:30", "utc": "2025-12-01T01:21:36Z", "ms": 1764552096488.6426 }, "end": { "local": "2025-12-01T06:51:36+05:30", "utc": "2025-12-01T01:21:36Z", "ms": 1764552096488.6426 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-12-02", "window": { "start": { "local": "2025-12-02T06:52:17+05:30", "utc": "2025-12-02T01:22:17Z", "ms": 1764638537143.5398 }, "end": { "local": "2025-12-02T06:52:17+05:30", "utc": "2025-12-02T01:22:17Z", "ms": 1764638537143.5398 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:30 on Sun 30 Nov to 19:02 on Mon 1 Dec.", "fact": "2025-11-30T15:59:44Z → 2025-12-01T13:31:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:52 on the 1st and 06:52 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33713 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Ujjain, 2025: Monday 1 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": "2025-12-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-01", "confidence": "determinate" } ], "quote": "In Ujjain, Mokṣadā Ekādaśī 2025 falls on Monday 1 December. Ekādaśī runs from 21:30 on Sun 30 Nov to 19:02 on Mon 1 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-12-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-12-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11846, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2025-12-01T19:01:39+05:30", "utc": "2025-12-01T13:31:39Z", "ms": 1764595899189.909 }, "end": { "local": "2025-12-02T15:57:41+05:30", "utc": "2025-12-02T10:27:41Z", "ms": 1764671260804.9995 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-12-01T19:01:39+05:30", "utc": "2025-12-01T13:31:39Z", "ms": 1764595899189.909 }, "end": { "local": "2025-12-02T15:57:41+05:30", "utc": "2025-12-02T10:27:41Z", "ms": 1764671260804.9995 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-12-01", "window": { "start": { "local": "2025-12-01T11:51:51+05:30", "utc": "2025-12-01T06:21:51Z", "ms": 1764570111433.6978 }, "end": { "local": "2025-12-01T12:39:51+05:30", "utc": "2025-12-01T07:09:51Z", "ms": 1764572991433.6978 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-12-02", "window": { "start": { "local": "2025-12-02T11:52:14+05:30", "utc": "2025-12-02T06:22:14Z", "ms": 1764656534344.952 }, "end": { "local": "2025-12-02T12:40:14+05:30", "utc": "2025-12-02T07:10:14Z", "ms": 1764659414344.952 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:02 on Mon 1 Dec to 15:58 on Tue 2 Dec.", "fact": "2025-12-01T13:31:39Z → 2025-12-02T10:27:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 1st, 11:52–12:40 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11846 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Ujjain, 2025: Tuesday 2 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": "2025-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-02", "confidence": "determinate" } ], "quote": "In Ujjain, Akhaṇḍa Dvādaśī 2025 falls on Tuesday 2 December. Dvādaśī runs from 19:02 on Mon 1 Dec to 15:58 on Tue 2 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/pradosha-vrata?on=2025-12-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-12-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6151, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-12-02T15:57:41+05:30", "utc": "2025-12-02T10:27:41Z", "ms": 1764671260804.9995 }, "end": { "local": "2025-12-03T12:26:25+05:30", "utc": "2025-12-03T06:56:25Z", "ms": 1764744984727.0007 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-12-02T15:57:41+05:30", "utc": "2025-12-02T10:27:41Z", "ms": 1764671260804.9995 }, "end": { "local": "2025-12-03T12:26:25+05:30", "utc": "2025-12-03T06:56:25Z", "ms": 1764744984727.0007 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-12-02", "window": { "start": { "local": "2025-12-02T17:40:12+05:30", "utc": "2025-12-02T12:10:12Z", "ms": 1764677411546.364 }, "end": { "local": "2025-12-02T19:25:54+05:30", "utc": "2025-12-02T13:55:54Z", "ms": 1764683753687.4785 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2025-12-03", "window": { "start": { "local": "2025-12-03T17:40:18+05:30", "utc": "2025-12-03T12:10:18Z", "ms": 1764763818120.1162 }, "end": { "local": "2025-12-03T19:26:05+05:30", "utc": "2025-12-03T13:56:05Z", "ms": 1764770164749.5657 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:58 on Tue 2 Dec to 12:26 on Wed 3 Dec.", "fact": "2025-12-02T10:27:41Z → 2025-12-03T06:56:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:40–19:26 on the 2nd, 17:40–19:26 on the 3rd.", "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 2nd and 0 of 106 on the 3rd.", "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 6151 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Ujjain, 2025: Tuesday 2 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": "2025-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-02", "confidence": "determinate" } ], "quote": "In Ujjain, Śukla Pradoṣa Vrata 2025 falls on Tuesday 2 December. Trayodaśī runs from 15:58 on Tue 2 Dec to 12:26 on Wed 3 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-12-02", "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/2025/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32540, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2025-12-04T08:38:06+05:30", "utc": "2025-12-04T03:08:06Z", "ms": 1764817686443.9275 }, "end": { "local": "2025-12-05T04:44:04+05:30", "utc": "2025-12-04T23:14:04Z", "ms": 1764890044497.5032 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-12-04T08:38:06+05:30", "utc": "2025-12-04T03:08:06Z", "ms": 1764817686443.9275 }, "end": { "local": "2025-12-05T04:44:04+05:30", "utc": "2025-12-04T23:14:04Z", "ms": 1764890044497.5032 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-12-04", "window": { "start": { "local": "2025-12-04T17:40:26+05:30", "utc": "2025-12-04T12:10:26Z", "ms": 1764850226094.4626 }, "end": { "local": "2025-12-04T19:26:17+05:30", "utc": "2025-12-04T13:56:17Z", "ms": 1764856576991.381 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "2025-12-05", "window": { "start": { "local": "2025-12-05T17:40:35+05:30", "utc": "2025-12-05T12:10:35Z", "ms": 1764936635462.985 }, "end": { "local": "2025-12-05T19:26:30+05:30", "utc": "2025-12-05T13:56:30Z", "ms": 1764942990403.1726 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:38 on Thu 4 Dec to 04:44 on Fri 5 Dec.", "fact": "2025-12-04T03:08:06Z → 2025-12-04T23:14:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:40–19:26 on the 4th, 17:41–19:27 on the 5th.", "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 4th and 0 of 106 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32540 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Ujjain, 2025: Thursday 4 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": "2025-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-04", "confidence": "determinate" } ], "quote": "In Ujjain, Dattātreyotpatti (Datta Jayanti) 2025 falls on Thursday 4 December. Pūrṇimā runs from 08:38 on Thu 4 Dec to 04:44 on Fri 5 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/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/2025/sankashta-chaturthi?on=2025-12-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-12-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6715, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-12-07T18:25:21+05:30", "utc": "2025-12-07T12:55:21Z", "ms": 1765112121395.1802 }, "end": { "local": "2025-12-08T16:03:49+05:30", "utc": "2025-12-08T10:33:49Z", "ms": 1765190029074.8433 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-12-07T18:25:21+05:30", "utc": "2025-12-07T12:55:21Z", "ms": 1765112121395.1802 }, "end": { "local": "2025-12-08T16:03:49+05:30", "utc": "2025-12-08T10:33:49Z", "ms": 1765190029074.8433 } }, "kaala": "moonrise", "days": [ { "local_date": "2025-12-07", "window": { "start": { "local": "2025-12-07T20:17:16+05:30", "utc": "2025-12-07T14:47:16Z", "ms": 1765118836023.967 }, "end": { "local": "2025-12-07T20:17:16+05:30", "utc": "2025-12-07T14:47:16Z", "ms": 1765118836023.967 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-12-08", "window": { "start": { "local": "2025-12-08T21:23:58+05:30", "utc": "2025-12-08T15:53:58Z", "ms": 1765209237849.6946 }, "end": { "local": "2025-12-08T21:23:58+05:30", "utc": "2025-12-08T15:53:58Z", "ms": 1765209237849.6946 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:25 on Sun 7 Dec to 16:04 on Mon 8 Dec.", "fact": "2025-12-07T12:55:21Z → 2025-12-08T10:33:49Z" }, { "step": "kaala", "text": "Moonrise is at 20:17 on the 7th and 21:24 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6715 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Ujjain, 2025: Sunday 7 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": "2025-12-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-07", "confidence": "determinate" } ], "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2025 falls on Sunday 7 December. Caturthī runs from 18:25 on Sun 7 Dec to 16:04 on Mon 8 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/sankashta-chaturthi?on=2025-12-07", "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/2025/ekadashi?on=2025-12-15", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34840, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-12-14T18:50:15+05:30", "utc": "2025-12-14T13:20:15Z", "ms": 1765718415474.8242 }, "end": { "local": "2025-12-15T21:20:31+05:30", "utc": "2025-12-15T15:50:31Z", "ms": 1765813830958.9023 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-12-14T18:50:15+05:30", "utc": "2025-12-14T13:20:15Z", "ms": 1765718415474.8242 }, "end": { "local": "2025-12-15T21:20:31+05:30", "utc": "2025-12-15T15:50:31Z", "ms": 1765813830958.9023 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-12-15", "window": { "start": { "local": "2025-12-15T07:00:36+05:30", "utc": "2025-12-15T01:30:36Z", "ms": 1765762236007.4294 }, "end": { "local": "2025-12-15T07:00:36+05:30", "utc": "2025-12-15T01:30:36Z", "ms": 1765762236007.4294 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2025-12-16", "window": { "start": { "local": "2025-12-16T07:01:11+05:30", "utc": "2025-12-16T01:31:11Z", "ms": 1765848670827.5088 }, "end": { "local": "2025-12-16T07:01:11+05:30", "utc": "2025-12-16T01:31:11Z", "ms": 1765848670827.5088 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:50 on Sun 14 Dec to 21:21 on Mon 15 Dec.", "fact": "2025-12-14T13:20:15Z → 2025-12-15T15:50:31Z" }, { "step": "kaala", "text": "Sunrise is at 07:01 on the 15th and 07:01 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 15th and is not on the 16th.", "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 34840 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Ujjain, 2025: Monday 15 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": "2025-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-15", "confidence": "determinate" } ], "quote": "In Ujjain, Saphalā Ekādaśī 2025 falls on Monday 15 December. Ekādaśī runs from 18:50 on Sun 14 Dec to 21:21 on Mon 15 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-12-15", "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/2025/pradosha-vrata?on=2025-12-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16063, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2025-12-16T23:57:54+05:30", "utc": "2025-12-16T18:27:54Z", "ms": 1765909673959.8506 }, "end": { "local": "2025-12-18T02:33:09+05:30", "utc": "2025-12-17T21:03:09Z", "ms": 1766005389068.351 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-12-16T23:57:54+05:30", "utc": "2025-12-16T18:27:54Z", "ms": 1765909673959.8506 }, "end": { "local": "2025-12-18T02:33:09+05:30", "utc": "2025-12-17T21:03:09Z", "ms": 1766005389068.351 } }, "kaala": "pradosha", "days": [ { "local_date": "2025-12-16", "window": { "start": { "local": "2025-12-16T17:43:47+05:30", "utc": "2025-12-16T12:13:47Z", "ms": 1765887227100.261 }, "end": { "local": "2025-12-16T19:30:11+05:30", "utc": "2025-12-16T14:00:11Z", "ms": 1765893610812.3726 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "2025-12-17", "window": { "start": { "local": "2025-12-17T17:44:12+05:30", "utc": "2025-12-17T12:14:12Z", "ms": 1765973652058.1443 }, "end": { "local": "2025-12-17T19:30:37+05:30", "utc": "2025-12-17T14:00:37Z", "ms": 1765980036891.3486 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:58 on Tue 16 Dec to 02:33 on Thu 18 Dec.", "fact": "2025-12-16T18:27:54Z → 2025-12-17T21:03:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:44–19:30 on the 16th, 17:44–19:31 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 0 of 106 minutes on the 16th and 106 of 106 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 16063 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2025: Wednesday 17 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": "2025-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-17", "confidence": "determinate" } ], "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2025 falls on Wednesday 17 December. Trayodaśī runs from 23:58 on Tue 16 Dec to 02:33 on Thu 18 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/ujjain/festivals/2025/pradosha-vrata?on=2025-12-17", "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/2025/shivaratri?on=2025-12-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6354, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2025-12-18T02:33:09+05:30", "utc": "2025-12-17T21:03:09Z", "ms": 1766005389068.351 }, "end": { "local": "2025-12-19T04:59:41+05:30", "utc": "2025-12-18T23:29:41Z", "ms": 1766100581443.6125 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-12-18T02:33:09+05:30", "utc": "2025-12-17T21:03:09Z", "ms": 1766005389068.351 }, "end": { "local": "2025-12-19T04:59:41+05:30", "utc": "2025-12-18T23:29:41Z", "ms": 1766100581443.6125 } }, "kaala": "nishita", "days": [ { "local_date": "2025-12-17", "window": { "start": { "local": "2025-12-17T23:59:15+05:30", "utc": "2025-12-17T18:29:15Z", "ms": 1765996155182.6602 }, "end": { "local": "2025-12-18T00:47:15+05:30", "utc": "2025-12-17T19:17:15Z", "ms": 1765999035182.6602 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2025-12-18", "window": { "start": { "local": "2025-12-18T23:59:45+05:30", "utc": "2025-12-18T18:29:45Z", "ms": 1766082584519.1343 }, "end": { "local": "2025-12-19T00:47:45+05:30", "utc": "2025-12-18T19:17:45Z", "ms": 1766085464519.1343 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:33 on Thu 18 Dec to 05:00 on Fri 19 Dec.", "fact": "2025-12-17T21:03:09Z → 2025-12-18T23:29:41Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:59–00:47 on the 17th, 00:00–00:48 on the 18th.", "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 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6354 s" }, { "step": "ruling", "text": "Śivarātri, Ujjain, 2025: Thursday 18 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": "2025-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-18", "confidence": "determinate" } ], "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2025 falls on Thursday 18 December. Caturdaśī runs from 02:33 on Thu 18 Dec to 05:00 on Fri 19 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/ujjain/festivals/2025/shivaratri?on=2025-12-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/ujjain/festivals/2025/vinayaka-chaturthi?on=2025-12-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-12-24", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 681, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2025-12-23T12:13:19+05:30", "utc": "2025-12-23T06:43:19Z", "ms": 1766472199333.3228 }, "end": { "local": "2025-12-24T13:11:35+05:30", "utc": "2025-12-24T07:41:35Z", "ms": 1766562095361.3604 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-12-23T12:13:19+05:30", "utc": "2025-12-23T06:43:19Z", "ms": 1766472199333.3228 }, "end": { "local": "2025-12-24T13:11:35+05:30", "utc": "2025-12-24T07:41:35Z", "ms": 1766562095361.3604 } }, "kaala": "madhyahna", "days": [ { "local_date": "2025-12-23", "window": { "start": { "local": "2025-12-23T12:01:58+05:30", "utc": "2025-12-23T06:31:58Z", "ms": 1766471518486.8833 }, "end": { "local": "2025-12-23T12:49:58+05:30", "utc": "2025-12-23T07:19:58Z", "ms": 1766474398486.8833 } }, "covered_min": 37, "window_min": 48, "qualifies": true }, { "local_date": "2025-12-24", "window": { "start": { "local": "2025-12-24T12:02:29+05:30", "utc": "2025-12-24T06:32:29Z", "ms": 1766557948590.7188 }, "end": { "local": "2025-12-24T12:50:29+05:30", "utc": "2025-12-24T07:20:29Z", "ms": 1766560828590.7188 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:13 on Tue 23 Dec to 13:12 on Wed 24 Dec.", "fact": "2025-12-23T06:43:19Z → 2025-12-24T07:41:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 23rd, 12:02–12:50 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 37 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 681 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Ujjain, 2025: Wednesday 24 December.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2025-12-24", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-24", "confidence": "boundary" } ], "quote": "In Ujjain, Vināyaka Caturthī 2025 falls on Wednesday 24 December. Caturthī runs from 12:13 on Tue 23 Dec to 13:12 on Wed 24 Dec and covers all of madhyāhna that midday. It also reaches the previous midday for 37 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/2025/vinayaka-chaturthi?on=2025-12-24", "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/2025/ekadashi?on=2025-12-30", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1253914", "year": 2025, "local_date": "2025-12-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2631, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2025-12-30T07:51:37+05:30", "utc": "2025-12-30T02:21:37Z", "ms": 1767061296869.5928 }, "end": { "local": "2025-12-31T05:01:04+05:30", "utc": "2025-12-30T23:31:04Z", "ms": 1767137463680.8945 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2025-12-30T07:51:37+05:30", "utc": "2025-12-30T02:21:37Z", "ms": 1767061296869.5928 }, "end": { "local": "2025-12-31T05:01:04+05:30", "utc": "2025-12-30T23:31:04Z", "ms": 1767137463680.8945 } }, "kaala": "sunrise", "days": [ { "local_date": "2025-12-30", "window": { "start": { "local": "2025-12-30T07:07:46+05:30", "utc": "2025-12-30T01:37:46Z", "ms": 1767058666178.373 }, "end": { "local": "2025-12-30T07:07:46+05:30", "utc": "2025-12-30T01:37:46Z", "ms": 1767058666178.373 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2025-12-31", "window": { "start": { "local": "2025-12-31T07:08:06+05:30", "utc": "2025-12-31T01:38:06Z", "ms": 1767145086407.1465 }, "end": { "local": "2025-12-31T07:08:06+05:30", "utc": "2025-12-31T01:38:06Z", "ms": 1767145086407.1465 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:52 on Tue 30 Dec to 05:01 on Wed 31 Dec.", "fact": "2025-12-30T02:21:37Z → 2025-12-30T23:31:04Z" }, { "step": "kaala", "text": "Sunrise is at 07:08 on the 30th and 07:08 on the 31st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 30th and is not on the 31st.", "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 2631 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Ujjain, 2025: Tuesday 30 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": "2025-12-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2025-12-30", "confidence": "determinate" } ], "quote": "In Ujjain, Putradā Ekādaśī 2025 falls on Tuesday 30 December. Ekādaśī runs from 07:52 on Tue 30 Dec to 05:01 on Wed 31 Dec, and is current at sunrise on neither day.", "cite": "https://ahargana.org/ujjain/festivals/2025/ekadashi?on=2025-12-30", "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" } }