{ "id": "/moscow/festivals/2052", "place": { "id": "524901", "slug": "moscow", "name": "Moscow", "region": "Russia", "country": "RU", "lat": 55.75204, "lon": 37.61781, "elevation_m": 155, "tz": "Europe/Moscow" }, "year": 2052, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/moscow/festivals/2052/vinayaka-chaturthi?on=2052-01-05", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-01-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22376, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-01-05T05:57:58+03:00", "utc": "2052-01-05T02:57:58Z", "ms": 2588036277566.2173 }, "end": { "local": "2052-01-06T05:12:51+03:00", "utc": "2052-01-06T02:12:51Z", "ms": 2588119971097.763 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-01-05T05:57:58+03:00", "utc": "2052-01-05T02:57:58Z", "ms": 2588036277566.2173 }, "end": { "local": "2052-01-06T05:12:51+03:00", "utc": "2052-01-06T02:12:51Z", "ms": 2588119971097.763 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-01-05", "window": { "start": { "local": "2052-01-05T12:10:53+03:00", "utc": "2052-01-05T09:10:53Z", "ms": 2588058653405.7524 }, "end": { "local": "2052-01-05T12:58:53+03:00", "utc": "2052-01-05T09:58:53Z", "ms": 2588061533405.7524 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-01-06", "window": { "start": { "local": "2052-01-06T12:11:21+03:00", "utc": "2052-01-06T09:11:21Z", "ms": 2588145080672.377 }, "end": { "local": "2052-01-06T12:59:21+03:00", "utc": "2052-01-06T09:59:21Z", "ms": 2588147960672.377 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:58 on Fri 5 Jan to 05:13 on Sat 6 Jan.", "fact": "2052-01-05T02:57:58Z → 2052-01-06T02:12:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 5th, 12:11–12:59 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22376 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2052: Friday 5 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": "2052-01-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-01-05", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2052 falls on Friday 5 January. Caturthī runs from 05:58 on Fri 5 Jan to 05:13 on Sat 6 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/vinayaka-chaturthi?on=2052-01-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/ekadashi?on=2052-01-12", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-01-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28344, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-01-11T19:11:35+03:00", "utc": "2052-01-11T16:11:35Z", "ms": 2588602294652.8745 }, "end": { "local": "2052-01-12T16:45:39+03:00", "utc": "2052-01-12T13:45:39Z", "ms": 2588679938697.1577 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-01-11T19:11:35+03:00", "utc": "2052-01-11T16:11:35Z", "ms": 2588602294652.8745 }, "end": { "local": "2052-01-12T16:45:39+03:00", "utc": "2052-01-12T13:45:39Z", "ms": 2588679938697.1577 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-01-11", "window": { "start": { "local": "2052-01-11T08:54:09+03:00", "utc": "2052-01-11T05:54:09Z", "ms": 2588565248724.0728 }, "end": { "local": "2052-01-11T08:54:09+03:00", "utc": "2052-01-11T05:54:09Z", "ms": 2588565248724.0728 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-01-12", "window": { "start": { "local": "2052-01-12T08:53:15+03:00", "utc": "2052-01-12T05:53:15Z", "ms": 2588651594949.619 }, "end": { "local": "2052-01-12T08:53:15+03:00", "utc": "2052-01-12T05:53:15Z", "ms": 2588651594949.619 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:12 on Thu 11 Jan to 16:46 on Fri 12 Jan.", "fact": "2052-01-11T16:11:35Z → 2052-01-12T13:45:39Z" }, { "step": "kaala", "text": "Sunrise is at 08:54 on the 11th and 08:53 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 11th and is on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28344 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Moscow, 2052: Friday 12 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-01-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-01-12", "confidence": "determinate" } ], "quote": "In Moscow, Putradā Ekādaśī 2052 falls on Friday 12 January. Ekādaśī runs from 19:12 on Thu 11 Jan to 16:46 on Fri 12 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-01-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/pradosha-vrata?on=2052-01-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7764, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-01-13T14:14:51+03:00", "utc": "2052-01-13T11:14:51Z", "ms": 2588757291447.074 }, "end": { "local": "2052-01-14T11:45:43+03:00", "utc": "2052-01-14T08:45:43Z", "ms": 2588834742761.019 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-01-13T14:14:51+03:00", "utc": "2052-01-13T11:14:51Z", "ms": 2588757291447.074 }, "end": { "local": "2052-01-14T11:45:43+03:00", "utc": "2052-01-14T08:45:43Z", "ms": 2588834742761.019 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-01-13", "window": { "start": { "local": "2052-01-13T16:24:15+03:00", "utc": "2052-01-13T13:24:15Z", "ms": 2588765055483.235 }, "end": { "local": "2052-01-13T18:35:52+03:00", "utc": "2052-01-13T15:35:52Z", "ms": 2588772951658.4624 } }, "covered_min": 132, "window_min": 132, "qualifies": true }, { "local_date": "2052-01-14", "window": { "start": { "local": "2052-01-14T16:26:02+03:00", "utc": "2052-01-14T13:26:02Z", "ms": 2588851561700.4307 }, "end": { "local": "2052-01-14T18:37:15+03:00", "utc": "2052-01-14T15:37:15Z", "ms": 2588859435149.2544 } }, "covered_min": 0, "window_min": 131, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:15 on Sat 13 Jan to 11:46 on Sun 14 Jan.", "fact": "2052-01-13T11:14:51Z → 2052-01-14T08:45:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:24–18:36 on the 13th, 16:26–18:37 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 132 of 132 minutes on the 13th and 0 of 131 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7764 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2052: Saturday 13 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": "2052-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-01-13", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2052 falls on Saturday 13 January. Trayodaśī runs from 14:15 on Sat 13 Jan to 11:46 on Sun 14 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-01-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 42722, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2052-01-15T04:35:48+03:00", "utc": "2052-01-15T01:35:48Z", "ms": 2588895348046.5776 }, "end": { "local": "2052-02-13T17:34:20+03:00", "utc": "2052-02-13T14:34:20Z", "ms": 2591447660152.7695 } }, "span": { "of": "transit", "start": { "local": "2052-01-15T04:35:48+03:00", "utc": "2052-01-15T01:35:48Z", "ms": 2588895348046.5776 }, "end": { "local": "2052-01-15T04:35:48+03:00", "utc": "2052-01-15T01:35:48Z", "ms": 2588895348046.5776 } }, "kaala": "sunset-day", "days": [ { "local_date": "2052-01-15", "window": { "start": { "local": "2052-01-14T16:26:02+03:00", "utc": "2052-01-14T13:26:02Z", "ms": 2588851561700.4307 }, "end": { "local": "2052-01-15T16:27:50+03:00", "utc": "2052-01-15T13:27:50Z", "ms": 2588938070005.3325 } }, "covered_min": 1, "window_min": 1442, "qualifies": true }, { "local_date": "2052-01-16", "window": { "start": { "local": "2052-01-15T16:27:50+03:00", "utc": "2052-01-15T13:27:50Z", "ms": 2588938070005.3325 }, "end": { "local": "2052-01-16T16:29:40+03:00", "utc": "2052-01-16T13:29:40Z", "ms": 2589024580294.5054 } }, "covered_min": 0, "window_min": 1442, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2052-01-15", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 04:36 on Mon 15 Jan.", "fact": "2052-01-15T01:35:48Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 15th ends at 16:28, and the day of the 16th ends at 16:30.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 42722 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Monday 15 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Moscow, 2052: Sunday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2052-01-14", "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": "2052-01-13", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Moscow, Bhogi 2052 falls on Sunday 14 January. It is kept the day before Pongal, which falls on Monday 15 January. The Sun enters Makara at 04:36 on Mon 15 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 42722, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2052-01-15T04:35:48+03:00", "utc": "2052-01-15T01:35:48Z", "ms": 2588895348046.5776 }, "end": { "local": "2052-02-13T17:34:20+03:00", "utc": "2052-02-13T14:34:20Z", "ms": 2591447660152.7695 } }, "span": { "of": "transit", "start": { "local": "2052-01-15T04:35:48+03:00", "utc": "2052-01-15T01:35:48Z", "ms": 2588895348046.5776 }, "end": { "local": "2052-01-15T04:35:48+03:00", "utc": "2052-01-15T01:35:48Z", "ms": 2588895348046.5776 } }, "kaala": "sunset-day", "days": [ { "local_date": "2052-01-15", "window": { "start": { "local": "2052-01-14T16:26:02+03:00", "utc": "2052-01-14T13:26:02Z", "ms": 2588851561700.4307 }, "end": { "local": "2052-01-15T16:27:50+03:00", "utc": "2052-01-15T13:27:50Z", "ms": 2588938070005.3325 } }, "covered_min": 1, "window_min": 1442, "qualifies": true }, { "local_date": "2052-01-16", "window": { "start": { "local": "2052-01-15T16:27:50+03:00", "utc": "2052-01-15T13:27:50Z", "ms": 2588938070005.3325 }, "end": { "local": "2052-01-16T16:29:40+03:00", "utc": "2052-01-16T13:29:40Z", "ms": 2589024580294.5054 } }, "covered_min": 0, "window_min": 1442, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 04:36 on Mon 15 Jan.", "fact": "2052-01-15T01:35:48Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 15th ends at 16:28, and the day of the 16th ends at 16:30.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 42722 s" }, { "step": "ruling", "text": "Pongal, Moscow, 2052: Monday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2052-01-15", "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": "2052-01-14", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Moscow, Pongal 2052 falls on Monday 15 January. The Sun enters Makara at 04:36 on Mon 15 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16548, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2052-01-15T04:35:48+03:00", "utc": "2052-01-15T01:35:48Z", "ms": 2588895348046.5776 }, "end": { "local": "2052-02-13T17:34:20+03:00", "utc": "2052-02-13T14:34:20Z", "ms": 2591447660152.7695 } }, "span": { "of": "transit", "start": { "local": "2052-01-15T04:35:48+03:00", "utc": "2052-01-15T01:35:48Z", "ms": 2588895348046.5776 }, "end": { "local": "2052-01-15T04:35:48+03:00", "utc": "2052-01-15T01:35:48Z", "ms": 2588895348046.5776 } }, "kaala": "civil-day", "days": [ { "local_date": "2052-01-14", "window": { "start": { "local": "2052-01-14T00:00:00+03:00", "utc": "2052-01-13T21:00:00Z", "ms": 2588792400000 }, "end": { "local": "2052-01-15T00:00:00+03:00", "utc": "2052-01-14T21:00:00Z", "ms": 2588878800000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2052-01-15", "window": { "start": { "local": "2052-01-15T00:00:00+03:00", "utc": "2052-01-14T21:00:00Z", "ms": 2588878800000 }, "end": { "local": "2052-01-16T00:00:00+03:00", "utc": "2052-01-15T21:00:00Z", "ms": 2588965200000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 04:36 on Mon 15 Jan.", "fact": "2052-01-15T01:35:48Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Moscow.", "fact": "civil-day: midnight-to-midnight · Europe/Moscow" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 15th, 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 midnight → only-day · margin 16548 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Moscow, 2052: Monday 15 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": "2052-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2052-01-14", "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": "2052-01-15", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Moscow, Makara Saṅkrānti 2052 falls on Monday 15 January. The Sun enters Makara at 04:36 on Mon 15 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 42722, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2052-01-15T04:35:48+03:00", "utc": "2052-01-15T01:35:48Z", "ms": 2588895348046.5776 }, "end": { "local": "2052-02-13T17:34:20+03:00", "utc": "2052-02-13T14:34:20Z", "ms": 2591447660152.7695 } }, "span": { "of": "transit", "start": { "local": "2052-01-15T04:35:48+03:00", "utc": "2052-01-15T01:35:48Z", "ms": 2588895348046.5776 }, "end": { "local": "2052-01-15T04:35:48+03:00", "utc": "2052-01-15T01:35:48Z", "ms": 2588895348046.5776 } }, "kaala": "sunset-day", "days": [ { "local_date": "2052-01-15", "window": { "start": { "local": "2052-01-14T16:26:02+03:00", "utc": "2052-01-14T13:26:02Z", "ms": 2588851561700.4307 }, "end": { "local": "2052-01-15T16:27:50+03:00", "utc": "2052-01-15T13:27:50Z", "ms": 2588938070005.3325 } }, "covered_min": 1, "window_min": 1442, "qualifies": true }, { "local_date": "2052-01-16", "window": { "start": { "local": "2052-01-15T16:27:50+03:00", "utc": "2052-01-15T13:27:50Z", "ms": 2588938070005.3325 }, "end": { "local": "2052-01-16T16:29:40+03:00", "utc": "2052-01-16T13:29:40Z", "ms": 2589024580294.5054 } }, "covered_min": 0, "window_min": 1442, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2052-01-15", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 04:36 on Mon 15 Jan.", "fact": "2052-01-15T01:35:48Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 15th ends at 16:28, and the day of the 16th ends at 16:30.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 42722 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Monday 15 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Moscow, 2052: Tuesday 16 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-01-16", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2052-01-16", "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": "2052-01-15", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Moscow, Mattu Pongal 2052 falls on Tuesday 16 January. It is kept the day after Pongal, which falls on Monday 15 January. The Sun enters Makara at 04:36 on Mon 15 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from sunrise, as in Orissa, it is 15 January.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/sankashta-chaturthi?on=2052-01-19", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28548, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-01-19T04:35:08+03:00", "utc": "2052-01-19T01:35:08Z", "ms": 2589240908397.558 }, "end": { "local": "2052-01-20T05:05:02+03:00", "utc": "2052-01-20T02:05:02Z", "ms": 2589329102037.68 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2052-01-19T04:35:08+03:00", "utc": "2052-01-19T01:35:08Z", "ms": 2589240908397.558 }, "end": { "local": "2052-01-20T05:05:02+03:00", "utc": "2052-01-20T02:05:02Z", "ms": 2589329102037.68 } }, "kaala": "moonrise", "days": [ { "local_date": "2052-01-18", "window": { "start": { "local": "2052-01-18T19:56:47+03:00", "utc": "2052-01-18T16:56:47Z", "ms": 2589209806969.924 }, "end": { "local": "2052-01-18T19:56:47+03:00", "utc": "2052-01-18T16:56:47Z", "ms": 2589209806969.924 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-01-19", "window": { "start": { "local": "2052-01-19T21:09:14+03:00", "utc": "2052-01-19T18:09:14Z", "ms": 2589300554431.716 }, "end": { "local": "2052-01-19T21:09:14+03:00", "utc": "2052-01-19T18:09:14Z", "ms": 2589300554431.716 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:35 on Fri 19 Jan to 05:05 on Sat 20 Jan.", "fact": "2052-01-19T01:35:08Z → 2052-01-20T02:05:02Z" }, { "step": "kaala", "text": "Moonrise is at 19:57 on the 18th and 21:09 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28548 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2052: Friday 19 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": "2052-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-01-19", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2052 falls on Friday 19 January. Caturthī runs from 04:35 on Fri 19 Jan to 05:05 on Sat 20 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/sankashta-chaturthi?on=2052-01-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/ekadashi?on=2052-01-27", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35516, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-01-26T18:26:58+03:00", "utc": "2052-01-26T15:26:58Z", "ms": 2589895618483.543 }, "end": { "local": "2052-01-27T20:19:11+03:00", "utc": "2052-01-27T17:19:11Z", "ms": 2589988751405.907 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2052-01-26T18:26:58+03:00", "utc": "2052-01-26T15:26:58Z", "ms": 2589895618483.543 }, "end": { "local": "2052-01-27T20:19:11+03:00", "utc": "2052-01-27T17:19:11Z", "ms": 2589988751405.907 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-01-26", "window": { "start": { "local": "2052-01-26T08:35:03+03:00", "utc": "2052-01-26T05:35:03Z", "ms": 2589860102612.975 }, "end": { "local": "2052-01-26T08:35:03+03:00", "utc": "2052-01-26T05:35:03Z", "ms": 2589860102612.975 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-01-27", "window": { "start": { "local": "2052-01-27T08:33:23+03:00", "utc": "2052-01-27T05:33:23Z", "ms": 2589946403370.77 }, "end": { "local": "2052-01-27T08:33:23+03:00", "utc": "2052-01-27T05:33:23Z", "ms": 2589946403370.77 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:27 on Fri 26 Jan to 20:19 on Sat 27 Jan.", "fact": "2052-01-26T15:26:58Z → 2052-01-27T17:19:11Z" }, { "step": "kaala", "text": "Sunrise is at 08:35 on the 26th and 08:33 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35516 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Moscow, 2052: Saturday 27 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-01-27", "confidence": "determinate" } ], "quote": "In Moscow, Ṣaṭtilā Ekādaśī 2052 falls on Saturday 27 January. Ekādaśī runs from 18:27 on Fri 26 Jan to 20:19 on Sat 27 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-01-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/pradosha-vrata?on=2052-01-29", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9338, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-01-28T21:34:11+03:00", "utc": "2052-01-28T18:34:11Z", "ms": 2590079650507.309 }, "end": { "local": "2052-01-29T22:09:29+03:00", "utc": "2052-01-29T19:09:29Z", "ms": 2590168168800.5073 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2052-01-28T21:34:11+03:00", "utc": "2052-01-28T18:34:11Z", "ms": 2590079650507.309 }, "end": { "local": "2052-01-29T22:09:29+03:00", "utc": "2052-01-29T19:09:29Z", "ms": 2590168168800.5073 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-01-28", "window": { "start": { "local": "2052-01-28T16:53:42+03:00", "utc": "2052-01-28T13:53:42Z", "ms": 2590062822455.6475 }, "end": { "local": "2052-01-28T18:58:32+03:00", "utc": "2052-01-28T15:58:32Z", "ms": 2590070312482.8604 } }, "covered_min": 0, "window_min": 125, "qualifies": false }, { "local_date": "2052-01-29", "window": { "start": { "local": "2052-01-29T16:55:50+03:00", "utc": "2052-01-29T13:55:50Z", "ms": 2590149349666.214 }, "end": { "local": "2052-01-29T19:00:09+03:00", "utc": "2052-01-29T16:00:09Z", "ms": 2590156808554.788 } }, "covered_min": 124, "window_min": 124, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:34 on Sun 28 Jan to 22:09 on Mon 29 Jan.", "fact": "2052-01-28T18:34:11Z → 2052-01-29T19:09:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:54–18:59 on the 28th, 16:56–19:00 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 125 minutes on the 28th and 124 of 124 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9338 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2052: Monday 29 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-01-29", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2052 falls on Monday 29 January. Trayodaśī runs from 21:34 on Sun 28 Jan to 22:09 on Mon 29 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-01-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/shivaratri?on=2052-01-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7712, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2052-01-29T22:09:29+03:00", "utc": "2052-01-29T19:09:29Z", "ms": 2590168168800.5073 }, "end": { "local": "2052-01-30T22:06:45+03:00", "utc": "2052-01-30T19:06:45Z", "ms": 2590254404693.9224 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2052-01-29T22:09:29+03:00", "utc": "2052-01-29T19:09:29Z", "ms": 2590168168800.5073 }, "end": { "local": "2052-01-30T22:06:45+03:00", "utc": "2052-01-30T19:06:45Z", "ms": 2590254404693.9224 } }, "kaala": "nishita", "days": [ { "local_date": "2052-01-29", "window": { "start": { "local": "2052-01-30T00:18:00+03:00", "utc": "2052-01-29T21:18:00Z", "ms": 2590175880498.368 }, "end": { "local": "2052-01-30T01:06:00+03:00", "utc": "2052-01-29T22:06:00Z", "ms": 2590178760498.368 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-01-30", "window": { "start": { "local": "2052-01-31T00:18:10+03:00", "utc": "2052-01-30T21:18:10Z", "ms": 2590262290163.1694 }, "end": { "local": "2052-01-31T01:06:10+03:00", "utc": "2052-01-30T22:06:10Z", "ms": 2590265170163.1694 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:09 on Mon 29 Jan to 22:07 on Tue 30 Jan.", "fact": "2052-01-29T19:09:29Z → 2052-01-30T19:06:45Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:18–01:06 on the 29th, 00:18–01:06 on the 30th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7712 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2052: Monday 29 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": "2052-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-01-29", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2052 falls on Monday 29 January. Caturdaśī runs from 22:09 on Mon 29 Jan to 22:07 on Tue 30 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2052/shivaratri?on=2052-01-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29664, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2052-01-29T22:09:29+03:00", "utc": "2052-01-29T19:09:29Z", "ms": 2590168168800.5073 }, "end": { "local": "2052-01-30T22:06:45+03:00", "utc": "2052-01-30T19:06:45Z", "ms": 2590254404693.9224 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2052-01-29T22:09:29+03:00", "utc": "2052-01-29T19:09:29Z", "ms": 2590168168800.5073 }, "end": { "local": "2052-01-30T22:06:45+03:00", "utc": "2052-01-30T19:06:45Z", "ms": 2590254404693.9224 } }, "kaala": "arunodaya", "days": [ { "local_date": "2052-01-30", "window": { "start": { "local": "2052-01-30T06:23:52+03:00", "utc": "2052-01-30T03:23:52Z", "ms": 2590197832441.9478 }, "end": { "local": "2052-01-30T08:28:11+03:00", "utc": "2052-01-30T05:28:11Z", "ms": 2590205291330.522 } }, "covered_min": 124, "window_min": 124, "qualifies": true }, { "local_date": "2052-01-31", "window": { "start": { "local": "2052-01-31T06:22:35+03:00", "utc": "2052-01-31T03:22:35Z", "ms": 2590284155412.478 }, "end": { "local": "2052-01-31T08:26:23+03:00", "utc": "2052-01-31T05:26:23Z", "ms": 2590291582775.8633 } }, "covered_min": 0, "window_min": 124, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:09 on Mon 29 Jan to 22:07 on Tue 30 Jan.", "fact": "2052-01-29T19:09:29Z → 2052-01-30T19:06:45Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 06:24–08:28 on the 30th, 06:23–08:26 on the 31st.", "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 124 of 124 minutes on the 30th and 0 of 124 on the 31st.", "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 29664 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Moscow, 2052: Tuesday 30 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": "2052-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-01-30", "confidence": "determinate" } ], "quote": "In Moscow, Yama Tarpaṇa 2052 falls on Tuesday 30 January. Caturdaśī runs from 22:09 on Mon 29 Jan to 22:07 on Tue 30 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 886, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-02-03T17:21:20+03:00", "utc": "2052-02-03T14:21:20Z", "ms": 2590582879900.5864 }, "end": { "local": "2052-02-04T15:31:16+03:00", "utc": "2052-02-04T12:31:16Z", "ms": 2590662676457.867 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2052-02-03T17:21:20+03:00", "utc": "2052-02-03T14:21:20Z", "ms": 2590582879900.5864 }, "end": { "local": "2052-02-04T15:31:16+03:00", "utc": "2052-02-04T12:31:16Z", "ms": 2590662676457.867 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-02-03", "window": { "start": { "local": "2052-02-03T17:06:34+03:00", "utc": "2052-02-03T14:06:34Z", "ms": 2590581994293.362 }, "end": { "local": "2052-02-03T19:08:12+03:00", "utc": "2052-02-03T16:08:12Z", "ms": 2590589292065.9727 } }, "covered_min": 107, "window_min": 122, "qualifies": true }, { "local_date": "2052-02-04", "window": { "start": { "local": "2052-02-04T17:08:44+03:00", "utc": "2052-02-04T14:08:44Z", "ms": 2590668524426.2856 }, "end": { "local": "2052-02-04T19:09:49+03:00", "utc": "2052-02-04T16:09:49Z", "ms": 2590675789017.019 } }, "covered_min": 0, "window_min": 121, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:21 on Sat 3 Feb to 15:31 on Sun 4 Feb.", "fact": "2052-02-03T14:21:20Z → 2052-02-04T12:31:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:07–19:08 on the 3rd, 17:09–19:10 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 107 of 122 minutes on the 3rd and 0 of 121 on the 4th.", "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 886 s" }, { "step": "ruling", "text": "Tila Caturthī, Moscow, 2052: Saturday 3 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": "2052-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-02-03", "confidence": "determinate" } ], "quote": "In Moscow, Tila Caturthī 2052 falls on Saturday 3 February. Caturthī runs from 17:21 on Sat 3 Feb to 15:31 on Sun 4 Feb and covers 107 of 122 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8610, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-02-03T17:21:20+03:00", "utc": "2052-02-03T14:21:20Z", "ms": 2590582879900.5864 }, "end": { "local": "2052-02-04T15:31:16+03:00", "utc": "2052-02-04T12:31:16Z", "ms": 2590662676457.867 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2052-02-03T17:21:20+03:00", "utc": "2052-02-03T14:21:20Z", "ms": 2590582879900.5864 }, "end": { "local": "2052-02-04T15:31:16+03:00", "utc": "2052-02-04T12:31:16Z", "ms": 2590662676457.867 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-02-03", "window": { "start": { "local": "2052-02-03T12:19:39+03:00", "utc": "2052-02-03T09:19:39Z", "ms": 2590564779349.6143 }, "end": { "local": "2052-02-03T13:07:39+03:00", "utc": "2052-02-03T10:07:39Z", "ms": 2590567659349.6143 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-02-04", "window": { "start": { "local": "2052-02-04T12:19:46+03:00", "utc": "2052-02-04T09:19:46Z", "ms": 2590651186007.115 }, "end": { "local": "2052-02-04T13:07:46+03:00", "utc": "2052-02-04T10:07:46Z", "ms": 2590654066007.115 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:21 on Sat 3 Feb to 15:31 on Sun 4 Feb.", "fact": "2052-02-03T14:21:20Z → 2052-02-04T12:31:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 3rd, 12:20–13:08 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "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 8610 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Moscow, 2052: Sunday 4 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": "2052-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-02-04", "confidence": "determinate" } ], "quote": "In Moscow, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2052 falls on Sunday 4 February. Caturthī runs from 17:21 on Sat 3 Feb to 15:31 on Sun 4 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1646, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2052-02-04T15:31:16+03:00", "utc": "2052-02-04T12:31:16Z", "ms": 2590662676457.867 }, "end": { "local": "2052-02-05T13:35:18+03:00", "utc": "2052-02-05T10:35:18Z", "ms": 2590742117660.73 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2052-02-04T15:31:16+03:00", "utc": "2052-02-04T12:31:16Z", "ms": 2590662676457.867 }, "end": { "local": "2052-02-05T13:35:18+03:00", "utc": "2052-02-05T10:35:18Z", "ms": 2590742117660.73 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-02-04", "window": { "start": { "local": "2052-02-04T12:19:46+03:00", "utc": "2052-02-04T09:19:46Z", "ms": 2590651186007.115 }, "end": { "local": "2052-02-04T13:07:46+03:00", "utc": "2052-02-04T10:07:46Z", "ms": 2590654066007.115 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-02-05", "window": { "start": { "local": "2052-02-05T12:19:52+03:00", "utc": "2052-02-05T09:19:52Z", "ms": 2590737591833.0415 }, "end": { "local": "2052-02-05T13:07:52+03:00", "utc": "2052-02-05T10:07:52Z", "ms": 2590740471833.0415 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:31 on Sun 4 Feb to 13:35 on Mon 5 Feb.", "fact": "2052-02-04T12:31:16Z → 2052-02-05T10:35:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 4th, 12:20–13:08 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1646 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Moscow, 2052: Monday 5 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": "2052-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-02-05", "confidence": "boundary" } ], "quote": "In Moscow, Śrī Pañcamī 2052 falls on Monday 5 February. Pañcamī runs from 15:31 on Sun 4 Feb to 13:35 on Mon 5 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1646, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2052-02-04T15:31:16+03:00", "utc": "2052-02-04T12:31:16Z", "ms": 2590662676457.867 }, "end": { "local": "2052-02-05T13:35:18+03:00", "utc": "2052-02-05T10:35:18Z", "ms": 2590742117660.73 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2052-02-04T15:31:16+03:00", "utc": "2052-02-04T12:31:16Z", "ms": 2590662676457.867 }, "end": { "local": "2052-02-05T13:35:18+03:00", "utc": "2052-02-05T10:35:18Z", "ms": 2590742117660.73 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-02-04", "window": { "start": { "local": "2052-02-04T12:19:46+03:00", "utc": "2052-02-04T09:19:46Z", "ms": 2590651186007.115 }, "end": { "local": "2052-02-04T13:07:46+03:00", "utc": "2052-02-04T10:07:46Z", "ms": 2590654066007.115 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-02-05", "window": { "start": { "local": "2052-02-05T12:19:52+03:00", "utc": "2052-02-05T09:19:52Z", "ms": 2590737591833.0415 }, "end": { "local": "2052-02-05T13:07:52+03:00", "utc": "2052-02-05T10:07:52Z", "ms": 2590740471833.0415 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:31 on Sun 4 Feb to 13:35 on Mon 5 Feb.", "fact": "2052-02-04T12:31:16Z → 2052-02-05T10:35:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 4th, 12:20–13:08 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1646 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Moscow, 2052: Monday 5 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": "2052-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-02-05", "confidence": "boundary" } ], "quote": "In Moscow, Vasanta Pañcamī 2052 falls on Monday 5 February. Pañcamī runs from 15:31 on Sun 4 Feb to 13:35 on Mon 5 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-02-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4992, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2052-02-06T11:36:13+03:00", "utc": "2052-02-06T08:36:13Z", "ms": 2590821373403.085 }, "end": { "local": "2052-02-07T09:35:58+03:00", "utc": "2052-02-07T06:35:58Z", "ms": 2590900558199.0107 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2052-02-06T11:36:13+03:00", "utc": "2052-02-06T08:36:13Z", "ms": 2590821373403.085 }, "end": { "local": "2052-02-07T09:35:58+03:00", "utc": "2052-02-07T06:35:58Z", "ms": 2590900558199.0107 } }, "kaala": "arunodaya", "days": [ { "local_date": "2052-02-06", "window": { "start": { "local": "2052-02-06T06:14:17+03:00", "utc": "2052-02-06T03:14:17Z", "ms": 2590802057143.474 }, "end": { "local": "2052-02-06T08:14:48+03:00", "utc": "2052-02-06T05:14:48Z", "ms": 2590809288271.8086 } }, "covered_min": 0, "window_min": 121, "qualifies": false }, { "local_date": "2052-02-07", "window": { "start": { "local": "2052-02-07T06:12:48+03:00", "utc": "2052-02-07T03:12:48Z", "ms": 2590888368491.1875 }, "end": { "local": "2052-02-07T08:12:46+03:00", "utc": "2052-02-07T05:12:46Z", "ms": 2590895565892.145 } }, "covered_min": 120, "window_min": 120, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 11:36 on Tue 6 Feb to 09:36 on Wed 7 Feb.", "fact": "2052-02-06T08:36:13Z → 2052-02-07T06:35:58Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 06:14–08:15 on the 6th, 06:13–08:13 on the 7th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 0 of 121 minutes on the 6th and 120 of 120 on the 7th.", "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 4992 s" }, { "step": "ruling", "text": "Ratha Saptamī, Moscow, 2052: Wednesday 7 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": "2052-02-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-02-07", "confidence": "determinate" } ], "quote": "In Moscow, Ratha Saptamī 2052 falls on Wednesday 7 February. Saptamī runs from 11:36 on Tue 6 Feb to 09:36 on Wed 7 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ekadashi?on=2052-02-10", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15812, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-02-10T03:42:56+03:00", "utc": "2052-02-10T00:42:56Z", "ms": 2591138576122.059 }, "end": { "local": "2052-02-11T01:54:50+03:00", "utc": "2052-02-10T22:54:50Z", "ms": 2591218489551.2534 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2052-02-10T03:42:56+03:00", "utc": "2052-02-10T00:42:56Z", "ms": 2591138576122.059 }, "end": { "local": "2052-02-11T01:54:50+03:00", "utc": "2052-02-10T22:54:50Z", "ms": 2591218489551.2534 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-02-10", "window": { "start": { "local": "2052-02-10T08:06:29+03:00", "utc": "2052-02-10T05:06:29Z", "ms": 2591154388572.1797 }, "end": { "local": "2052-02-10T08:06:29+03:00", "utc": "2052-02-10T05:06:29Z", "ms": 2591154388572.1797 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-02-11", "window": { "start": { "local": "2052-02-11T08:04:20+03:00", "utc": "2052-02-11T05:04:20Z", "ms": 2591240659598.398 }, "end": { "local": "2052-02-11T08:04:20+03:00", "utc": "2052-02-11T05:04:20Z", "ms": 2591240659598.398 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:43 on Sat 10 Feb to 01:55 on Sun 11 Feb.", "fact": "2052-02-10T00:42:56Z → 2052-02-10T22:54:50Z" }, { "step": "kaala", "text": "Sunrise is at 08:06 on the 10th and 08:04 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15812 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Moscow, 2052: Saturday 10 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": "2052-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-02-10", "confidence": "determinate" } ], "quote": "In Moscow, Jayā Ekādaśī 2052 falls on Saturday 10 February. Ekādaśī runs from 03:43 on Sat 10 Feb to 01:55 on Sun 11 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-02-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37520, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2052-02-11T01:54:50+03:00", "utc": "2052-02-10T22:54:50Z", "ms": 2591218489551.2534 }, "end": { "local": "2052-02-12T00:17:16+03:00", "utc": "2052-02-11T21:17:16Z", "ms": 2591299036072.396 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2052-02-11T01:54:50+03:00", "utc": "2052-02-10T22:54:50Z", "ms": 2591218489551.2534 }, "end": { "local": "2052-02-12T00:17:16+03:00", "utc": "2052-02-11T21:17:16Z", "ms": 2591299036072.396 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-02-11", "window": { "start": { "local": "2052-02-11T12:20:10+03:00", "utc": "2052-02-11T09:20:10Z", "ms": 2591256009518.1367 }, "end": { "local": "2052-02-11T13:08:10+03:00", "utc": "2052-02-11T10:08:10Z", "ms": 2591258889518.1367 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-02-12", "window": { "start": { "local": "2052-02-12T12:20:10+03:00", "utc": "2052-02-12T09:20:10Z", "ms": 2591342409659.745 }, "end": { "local": "2052-02-12T13:08:10+03:00", "utc": "2052-02-12T10:08:10Z", "ms": 2591345289659.745 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:55 on Sun 11 Feb to 00:17 on Mon 12 Feb.", "fact": "2052-02-10T22:54:50Z → 2052-02-11T21:17:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 11th, 12:20–13:08 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 37520 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Moscow, 2052: Sunday 11 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": "2052-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-02-11", "confidence": "determinate" } ], "quote": "In Moscow, Bhīṣma Dvādaśī 2052 falls on Sunday 11 February. Dvādaśī runs from 01:55 on Sun 11 Feb to 00:17 on Mon 12 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/pradosha-vrata?on=2052-02-12", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12756, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-02-12T00:17:16+03:00", "utc": "2052-02-11T21:17:16Z", "ms": 2591299036072.396 }, "end": { "local": "2052-02-12T22:55:16+03:00", "utc": "2052-02-12T19:55:16Z", "ms": 2591380516459.595 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2052-02-12T00:17:16+03:00", "utc": "2052-02-11T21:17:16Z", "ms": 2591299036072.396 }, "end": { "local": "2052-02-12T22:55:16+03:00", "utc": "2052-02-12T19:55:16Z", "ms": 2591380516459.595 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-02-11", "window": { "start": { "local": "2052-02-11T17:23:59+03:00", "utc": "2052-02-11T14:23:59Z", "ms": 2591274239437.875 }, "end": { "local": "2052-02-11T19:21:05+03:00", "utc": "2052-02-11T16:21:05Z", "ms": 2591281264728.6777 } }, "covered_min": 0, "window_min": 117, "qualifies": false }, { "local_date": "2052-02-12", "window": { "start": { "local": "2052-02-12T17:26:10+03:00", "utc": "2052-02-12T14:26:10Z", "ms": 2591360770200.5957 }, "end": { "local": "2052-02-12T19:22:40+03:00", "utc": "2052-02-12T16:22:40Z", "ms": 2591367760465.6724 } }, "covered_min": 117, "window_min": 117, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:17 on Mon 12 Feb to 22:55 on Mon 12 Feb.", "fact": "2052-02-11T21:17:16Z → 2052-02-12T19:55:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:24–19:21 on the 11th, 17:26–19:23 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 117 minutes on the 11th and 117 of 117 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 12756 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2052: Monday 12 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": "2052-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-02-12", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2052 falls on Monday 12 February. Trayodaśī runs from 00:17 on Mon 12 Feb to 22:55 on Mon 12 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-02-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-02-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29581, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2052-02-13T21:54:35+03:00", "utc": "2052-02-13T18:54:35Z", "ms": 2591463275128.628 }, "end": { "local": "2052-02-14T21:21:08+03:00", "utc": "2052-02-14T18:21:08Z", "ms": 2591547668428.3354 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2052-02-13T21:54:35+03:00", "utc": "2052-02-13T18:54:35Z", "ms": 2591463275128.628 }, "end": { "local": "2052-02-14T21:21:08+03:00", "utc": "2052-02-14T18:21:08Z", "ms": 2591547668428.3354 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-02-13", "window": { "start": { "local": "2052-02-13T12:20:09+03:00", "utc": "2052-02-13T09:20:09Z", "ms": 2591428809030.634 }, "end": { "local": "2052-02-13T13:08:09+03:00", "utc": "2052-02-13T10:08:09Z", "ms": 2591431689030.634 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-02-14", "window": { "start": { "local": "2052-02-14T12:20:08+03:00", "utc": "2052-02-14T09:20:08Z", "ms": 2591515207645.29 }, "end": { "local": "2052-02-14T13:08:08+03:00", "utc": "2052-02-14T10:08:08Z", "ms": 2591518087645.29 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 21:55 on Tue 13 Feb to 21:21 on Wed 14 Feb.", "fact": "2052-02-13T18:54:35Z → 2052-02-14T18:21:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 13th, 12:20–13:08 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29581 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Moscow, 2052: Wednesday 14 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": "2052-02-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-02-14", "confidence": "determinate" } ], "quote": "In Moscow, Māghī Pūrṇimā 2052 falls on Wednesday 14 February. Pūrṇimā runs from 21:55 on Tue 13 Feb to 21:21 on Wed 14 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/sankashta-chaturthi?on=2052-02-18", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7195, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-02-17T23:09:30+03:00", "utc": "2052-02-17T20:09:30Z", "ms": 2591813370229.71 }, "end": { "local": "2052-02-19T00:58:24+03:00", "utc": "2052-02-18T21:58:24Z", "ms": 2591906303602.2715 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2052-02-17T23:09:30+03:00", "utc": "2052-02-17T20:09:30Z", "ms": 2591813370229.71 }, "end": { "local": "2052-02-19T00:58:24+03:00", "utc": "2052-02-18T21:58:24Z", "ms": 2591906303602.2715 } }, "kaala": "moonrise", "days": [ { "local_date": "2052-02-17", "window": { "start": { "local": "2052-02-17T21:09:35+03:00", "utc": "2052-02-17T18:09:35Z", "ms": 2591806175078.563 }, "end": { "local": "2052-02-17T21:09:35+03:00", "utc": "2052-02-17T18:09:35Z", "ms": 2591806175078.563 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-02-18", "window": { "start": { "local": "2052-02-18T22:17:52+03:00", "utc": "2052-02-18T19:17:52Z", "ms": 2591896672338.286 }, "end": { "local": "2052-02-18T22:17:52+03:00", "utc": "2052-02-18T19:17:52Z", "ms": 2591896672338.286 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:10 on Sat 17 Feb to 00:58 on Mon 19 Feb.", "fact": "2052-02-17T20:09:30Z → 2052-02-18T21:58:24Z" }, { "step": "kaala", "text": "Moonrise is at 21:10 on the 17th and 22:18 on the 18th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 17th and is 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 7195 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2052: Sunday 18 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": "2052-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-02-18", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2052 falls on Sunday 18 February. Caturthī runs from 23:10 on Sat 17 Feb to 00:58 on Mon 19 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/sankashta-chaturthi?on=2052-02-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/ekadashi?on=2052-02-26", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-02-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24288, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-02-25T14:16:47+03:00", "utc": "2052-02-25T11:16:47Z", "ms": 2592472607088.2437 }, "end": { "local": "2052-02-26T14:55:11+03:00", "utc": "2052-02-26T11:55:11Z", "ms": 2592561311439.1904 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2052-02-25T14:16:47+03:00", "utc": "2052-02-25T11:16:47Z", "ms": 2592472607088.2437 }, "end": { "local": "2052-02-26T14:55:11+03:00", "utc": "2052-02-26T11:55:11Z", "ms": 2592561311439.1904 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-02-25", "window": { "start": { "local": "2052-02-25T07:31:59+03:00", "utc": "2052-02-25T04:31:59Z", "ms": 2592448319162.013 }, "end": { "local": "2052-02-25T07:31:59+03:00", "utc": "2052-02-25T04:31:59Z", "ms": 2592448319162.013 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-02-26", "window": { "start": { "local": "2052-02-26T07:29:33+03:00", "utc": "2052-02-26T04:29:33Z", "ms": 2592534572810.4307 }, "end": { "local": "2052-02-26T07:29:33+03:00", "utc": "2052-02-26T04:29:33Z", "ms": 2592534572810.4307 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:17 on Sun 25 Feb to 14:55 on Mon 26 Feb.", "fact": "2052-02-25T11:16:47Z → 2052-02-26T11:55:11Z" }, { "step": "kaala", "text": "Sunrise is at 07:32 on the 25th and 07:30 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24288 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Moscow, 2052: Monday 26 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-02-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-02-26", "confidence": "determinate" } ], "quote": "In Moscow, Vijayā Ekādaśī 2052 falls on Monday 26 February. Ekādaśī runs from 14:17 on Sun 25 Feb to 14:55 on Mon 26 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-02-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/pradosha-vrata?on=2052-02-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11399, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-02-27T14:48:31+03:00", "utc": "2052-02-27T11:48:31Z", "ms": 2592647310888.8857 }, "end": { "local": "2052-02-28T13:59:14+03:00", "utc": "2052-02-28T10:59:14Z", "ms": 2592730754438.344 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2052-02-27T14:48:31+03:00", "utc": "2052-02-27T11:48:31Z", "ms": 2592647310888.8857 }, "end": { "local": "2052-02-28T13:59:14+03:00", "utc": "2052-02-28T10:59:14Z", "ms": 2592730754438.344 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-02-27", "window": { "start": { "local": "2052-02-27T17:58:30+03:00", "utc": "2052-02-27T14:58:30Z", "ms": 2592658710336.203 }, "end": { "local": "2052-02-27T19:45:59+03:00", "utc": "2052-02-27T16:45:59Z", "ms": 2592665159320.384 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "2052-02-28", "window": { "start": { "local": "2052-02-28T18:00:38+03:00", "utc": "2052-02-28T15:00:38Z", "ms": 2592745237641.8413 }, "end": { "local": "2052-02-28T19:47:30+03:00", "utc": "2052-02-28T16:47:30Z", "ms": 2592751649829.4253 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:49 on Tue 27 Feb to 13:59 on Wed 28 Feb.", "fact": "2052-02-27T11:48:31Z → 2052-02-28T10:59:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:46 on the 27th, 18:01–19:47 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 107 of 107 minutes on the 27th and 0 of 107 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11399 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2052: Tuesday 27 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-02-27", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2052 falls on Tuesday 27 February. Trayodaśī runs from 14:49 on Tue 27 Feb to 13:59 on Wed 28 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-02-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-02-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37089, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2052-02-28T13:59:14+03:00", "utc": "2052-02-28T10:59:14Z", "ms": 2592730754438.344 }, "end": { "local": "2052-02-29T12:32:43+03:00", "utc": "2052-02-29T09:32:43Z", "ms": 2592811962971.2905 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2052-02-28T13:59:14+03:00", "utc": "2052-02-28T10:59:14Z", "ms": 2592730754438.344 }, "end": { "local": "2052-02-29T12:32:43+03:00", "utc": "2052-02-29T09:32:43Z", "ms": 2592811962971.2905 } }, "kaala": "nishita", "days": [ { "local_date": "2052-02-28", "window": { "start": { "local": "2052-02-29T00:17:23+03:00", "utc": "2052-02-28T21:17:23Z", "ms": 2592767843345.281 }, "end": { "local": "2052-02-29T01:05:23+03:00", "utc": "2052-02-28T22:05:23Z", "ms": 2592770723345.281 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-02-29", "window": { "start": { "local": "2052-03-01T00:17:12+03:00", "utc": "2052-02-29T21:17:12Z", "ms": 2592854232159.2334 }, "end": { "local": "2052-03-01T01:05:12+03:00", "utc": "2052-02-29T22:05:12Z", "ms": 2592857112159.2334 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:59 on Wed 28 Feb to 12:33 on Thu 29 Feb.", "fact": "2052-02-28T10:59:14Z → 2052-02-29T09:32:43Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:17–01:05 on the 28th, 00:17–01:05 on the 29th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 37089 s" }, { "step": "ruling", "text": "Mahāśivarātri, Moscow, 2052: Wednesday 28 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": "2052-02-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-02-28", "confidence": "determinate" } ], "quote": "In Moscow, Mahāśivarātri 2052 falls on Wednesday 28 February. Caturdaśī runs from 13:59 on Wed 28 Feb to 12:33 on Thu 29 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/vinayaka-chaturthi?on=2052-03-04", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33234, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-03-04T03:03:44+03:00", "utc": "2052-03-04T00:03:44Z", "ms": 2593123424432.7466 }, "end": { "local": "2052-03-05T00:23:40+03:00", "utc": "2052-03-04T21:23:40Z", "ms": 2593200219938.8013 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2052-03-04T03:03:44+03:00", "utc": "2052-03-04T00:03:44Z", "ms": 2593123424432.7466 }, "end": { "local": "2052-03-05T00:23:40+03:00", "utc": "2052-03-04T21:23:40Z", "ms": 2593200219938.8013 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-03-04", "window": { "start": { "local": "2052-03-04T12:17:39+03:00", "utc": "2052-03-04T09:17:39Z", "ms": 2593156658570.321 }, "end": { "local": "2052-03-04T13:05:39+03:00", "utc": "2052-03-04T10:05:39Z", "ms": 2593159538570.321 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-03-05", "window": { "start": { "local": "2052-03-05T12:17:25+03:00", "utc": "2052-03-05T09:17:25Z", "ms": 2593243045338.8784 }, "end": { "local": "2052-03-05T13:05:25+03:00", "utc": "2052-03-05T10:05:25Z", "ms": 2593245925338.8784 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:04 on Mon 4 Mar to 00:24 on Tue 5 Mar.", "fact": "2052-03-04T00:03:44Z → 2052-03-04T21:23:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 4th, 12:17–13:05 on the 5th.", "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 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33234 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2052: Monday 4 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": "2052-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-03-04", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2052 falls on Monday 4 March. Caturthī runs from 03:04 on Mon 4 Mar to 00:24 on Tue 5 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/vinayaka-chaturthi?on=2052-03-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/ekadashi?on=2052-03-11", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17762, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-03-10T12:39:12+03:00", "utc": "2052-03-10T09:39:12Z", "ms": 2593676352490.094 }, "end": { "local": "2052-03-11T11:50:16+03:00", "utc": "2052-03-11T08:50:16Z", "ms": 2593759816130.7964 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2052-03-10T12:39:12+03:00", "utc": "2052-03-10T09:39:12Z", "ms": 2593676352490.094 }, "end": { "local": "2052-03-11T11:50:16+03:00", "utc": "2052-03-11T08:50:16Z", "ms": 2593759816130.7964 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-03-10", "window": { "start": { "local": "2052-03-10T06:56:49+03:00", "utc": "2052-03-10T03:56:49Z", "ms": 2593655808922.721 }, "end": { "local": "2052-03-10T06:56:49+03:00", "utc": "2052-03-10T03:56:49Z", "ms": 2593655808922.721 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-03-11", "window": { "start": { "local": "2052-03-11T06:54:14+03:00", "utc": "2052-03-11T03:54:14Z", "ms": 2593742054257.0957 }, "end": { "local": "2052-03-11T06:54:14+03:00", "utc": "2052-03-11T03:54:14Z", "ms": 2593742054257.0957 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:39 on Sun 10 Mar to 11:50 on Mon 11 Mar.", "fact": "2052-03-10T09:39:12Z → 2052-03-11T08:50:16Z" }, { "step": "kaala", "text": "Sunrise is at 06:57 on the 10th and 06:54 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17762 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Moscow, 2052: Monday 11 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": "2052-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-03-11", "confidence": "determinate" } ], "quote": "In Moscow, Āmalakī Ekādaśī 2052 falls on Monday 11 March. Ekādaśī runs from 12:39 on Sun 10 Mar to 11:50 on Mon 11 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-03-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/pradosha-vrata?on=2052-03-12", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-03-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25316, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-03-12T11:25:48+03:00", "utc": "2052-03-12T08:25:48Z", "ms": 2593844747888.456 }, "end": { "local": "2052-03-13T11:27:28+03:00", "utc": "2052-03-13T08:27:28Z", "ms": 2593931248382.783 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2052-03-12T11:25:48+03:00", "utc": "2052-03-12T08:25:48Z", "ms": 2593844747888.456 }, "end": { "local": "2052-03-13T11:27:28+03:00", "utc": "2052-03-13T08:27:28Z", "ms": 2593931248382.783 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-03-12", "window": { "start": { "local": "2052-03-12T18:27:44+03:00", "utc": "2052-03-12T15:27:44Z", "ms": 2593870064009.938 }, "end": { "local": "2052-03-12T20:06:35+03:00", "utc": "2052-03-12T17:06:35Z", "ms": 2593875994660.719 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "2052-03-13", "window": { "start": { "local": "2052-03-13T18:29:47+03:00", "utc": "2052-03-13T15:29:47Z", "ms": 2593956587054.199 }, "end": { "local": "2052-03-13T20:08:01+03:00", "utc": "2052-03-13T17:08:01Z", "ms": 2593962480547.401 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:26 on Tue 12 Mar to 11:27 on Wed 13 Mar.", "fact": "2052-03-12T08:25:48Z → 2052-03-13T08:27:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:28–20:07 on the 12th, 18:30–20:08 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 99 of 99 minutes on the 12th and 0 of 98 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25316 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2052: Tuesday 12 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": "2052-03-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-03-12", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2052 falls on Tuesday 12 March. Trayodaśī runs from 11:26 on Tue 12 Mar to 11:27 on Wed 13 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-03-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11821, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2052-03-14T11:56:49+03:00", "utc": "2052-03-14T08:56:49Z", "ms": 2594019409407.124 }, "end": { "local": "2052-03-15T12:54:51+03:00", "utc": "2052-03-15T09:54:51Z", "ms": 2594109291225.534 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2052-03-14T11:56:49+03:00", "utc": "2052-03-14T08:56:49Z", "ms": 2594019409407.124 }, "end": { "local": "2052-03-15T12:54:51+03:00", "utc": "2052-03-15T09:54:51Z", "ms": 2594109291225.534 } }, "kaala": "sayahna", "days": [ { "local_date": "2052-03-14", "window": { "start": { "local": "2052-03-14T16:10:46+03:00", "utc": "2052-03-14T13:10:46Z", "ms": 2594034645541.153 }, "end": { "local": "2052-03-14T18:31:50+03:00", "utc": "2052-03-14T15:31:50Z", "ms": 2594043109863.138 } }, "covered_min": 141, "window_min": 141, "qualifies": true }, { "local_date": "2052-03-15", "window": { "start": { "local": "2052-03-15T16:11:52+03:00", "utc": "2052-03-15T13:11:52Z", "ms": 2594121112433.356 }, "end": { "local": "2052-03-15T18:33:52+03:00", "utc": "2052-03-15T15:33:52Z", "ms": 2594129632453.4346 } }, "covered_min": 0, "window_min": 142, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:57 on Thu 14 Mar to 12:55 on Fri 15 Mar.", "fact": "2052-03-14T08:56:49Z → 2052-03-15T09:54:51Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:11–18:32 on the 14th, 16:12–18:34 on the 15th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 141 of 141 minutes on the 14th and 0 of 142 on the 15th.", "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 11821 s" }, { "step": "ruling", "text": "Holikā Dahana, Moscow, 2052: Thursday 14 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": "2052-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-03-14", "confidence": "determinate" } ], "quote": "In Moscow, Holikā Dahana 2052 falls on Thursday 14 March. Pūrṇimā runs from 11:57 on Thu 14 Mar to 12:55 on Fri 15 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11821, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2052-03-14T11:56:49+03:00", "utc": "2052-03-14T08:56:49Z", "ms": 2594019409407.124 }, "end": { "local": "2052-03-15T12:54:51+03:00", "utc": "2052-03-15T09:54:51Z", "ms": 2594109291225.534 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2052-03-14T11:56:49+03:00", "utc": "2052-03-14T08:56:49Z", "ms": 2594019409407.124 }, "end": { "local": "2052-03-15T12:54:51+03:00", "utc": "2052-03-15T09:54:51Z", "ms": 2594109291225.534 } }, "kaala": "sayahna", "days": [ { "local_date": "2052-03-14", "window": { "start": { "local": "2052-03-14T16:10:46+03:00", "utc": "2052-03-14T13:10:46Z", "ms": 2594034645541.153 }, "end": { "local": "2052-03-14T18:31:50+03:00", "utc": "2052-03-14T15:31:50Z", "ms": 2594043109863.138 } }, "covered_min": 141, "window_min": 141, "qualifies": true }, { "local_date": "2052-03-15", "window": { "start": { "local": "2052-03-15T16:11:52+03:00", "utc": "2052-03-15T13:11:52Z", "ms": 2594121112433.356 }, "end": { "local": "2052-03-15T18:33:52+03:00", "utc": "2052-03-15T15:33:52Z", "ms": 2594129632453.4346 } }, "covered_min": 0, "window_min": 142, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2052-03-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:57 on Thu 14 Mar to 12:55 on Fri 15 Mar.", "fact": "2052-03-14T08:56:49Z → 2052-03-15T09:54:51Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:11–18:32 on the 14th, 16:12–18:34 on the 15th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 141 of 141 minutes on the 14th and 0 of 142 on the 15th.", "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 11821 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Thursday 14 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Moscow, 2052: Friday 15 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": "2052-03-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-03-15", "confidence": "determinate" } ], "quote": "In Moscow, Holī 2052 falls on Friday 15 March. It is kept the day after Holikā Dahana, which falls on Thursday 14 March. Pūrṇimā runs from 11:57 on Thu 14 Mar to 12:55 on Fri 15 Mar and covers all of sāyāhna on the 14th.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-03-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22259, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2052-03-15T12:54:51+03:00", "utc": "2052-03-15T09:54:51Z", "ms": 2594109291225.534 }, "end": { "local": "2052-03-16T14:21:29+03:00", "utc": "2052-03-16T11:21:29Z", "ms": 2594200888551.8213 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2052-03-15T12:54:51+03:00", "utc": "2052-03-15T09:54:51Z", "ms": 2594109291225.534 }, "end": { "local": "2052-03-16T14:21:29+03:00", "utc": "2052-03-16T11:21:29Z", "ms": 2594200888551.8213 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-03-15", "window": { "start": { "local": "2052-03-15T06:43:52+03:00", "utc": "2052-03-15T03:43:52Z", "ms": 2594087032353.041 }, "end": { "local": "2052-03-15T06:43:52+03:00", "utc": "2052-03-15T03:43:52Z", "ms": 2594087032353.041 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-03-16", "window": { "start": { "local": "2052-03-16T06:41:16+03:00", "utc": "2052-03-16T03:41:16Z", "ms": 2594173276221.327 }, "end": { "local": "2052-03-16T06:41:16+03:00", "utc": "2052-03-16T03:41:16Z", "ms": 2594173276221.327 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 12:55 on Fri 15 Mar to 14:21 on Sat 16 Mar.", "fact": "2052-03-15T09:54:51Z → 2052-03-16T11:21:29Z" }, { "step": "kaala", "text": "Sunrise is at 06:44 on the 15th and 06:41 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is not on the 15th and is 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: purvaviddha → only-day · margin 22259 s" }, { "step": "ruling", "text": "Vasantotsava, Moscow, 2052: Saturday 16 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": "2052-03-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-03-16", "confidence": "determinate" } ], "quote": "In Moscow, Vasantotsava 2052 falls on Saturday 16 March. Pratipadā runs from 12:55 on Fri 15 Mar to 14:21 on Sat 16 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/sankashta-chaturthi?on=2052-03-18", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8277, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-03-18T18:30:34+03:00", "utc": "2052-03-18T15:30:34Z", "ms": 2594388634427.0845 }, "end": { "local": "2052-03-19T21:01:32+03:00", "utc": "2052-03-19T18:01:32Z", "ms": 2594484091520.8867 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2052-03-18T18:30:34+03:00", "utc": "2052-03-18T15:30:34Z", "ms": 2594388634427.0845 }, "end": { "local": "2052-03-19T21:01:32+03:00", "utc": "2052-03-19T18:01:32Z", "ms": 2594484091520.8867 } }, "kaala": "moonrise", "days": [ { "local_date": "2052-03-18", "window": { "start": { "local": "2052-03-18T22:15:40+03:00", "utc": "2052-03-18T19:15:40Z", "ms": 2594402140297.4204 }, "end": { "local": "2052-03-18T22:15:40+03:00", "utc": "2052-03-18T19:15:40Z", "ms": 2594402140297.4204 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-03-19", "window": { "start": { "local": "2052-03-19T23:19:28+03:00", "utc": "2052-03-19T20:19:28Z", "ms": 2594492368309.663 }, "end": { "local": "2052-03-19T23:19:28+03:00", "utc": "2052-03-19T20:19:28Z", "ms": 2594492368309.663 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:31 on Mon 18 Mar to 21:02 on Tue 19 Mar.", "fact": "2052-03-18T15:30:34Z → 2052-03-19T18:01:32Z" }, { "step": "kaala", "text": "Moonrise is at 22:16 on the 18th and 23:19 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8277 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2052: Monday 18 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-03-18", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2052 falls on Monday 18 March. Caturthī runs from 18:31 on Mon 18 Mar to 21:02 on Tue 19 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/sankashta-chaturthi?on=2052-03-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22717, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2052-03-23T04:16:01+03:00", "utc": "2052-03-23T01:16:01Z", "ms": 2594769360635.161 }, "end": { "local": "2052-03-24T05:53:39+03:00", "utc": "2052-03-24T02:53:39Z", "ms": 2594861618743.9585 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2052-03-23T04:16:01+03:00", "utc": "2052-03-23T01:16:01Z", "ms": 2594769360635.161 }, "end": { "local": "2052-03-24T05:53:39+03:00", "utc": "2052-03-24T02:53:39Z", "ms": 2594861618743.9585 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-03-23", "window": { "start": { "local": "2052-03-23T12:12:33+03:00", "utc": "2052-03-23T09:12:33Z", "ms": 2594797953326.8794 }, "end": { "local": "2052-03-23T13:00:33+03:00", "utc": "2052-03-23T10:00:33Z", "ms": 2594800833326.8794 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-03-24", "window": { "start": { "local": "2052-03-24T12:12:16+03:00", "utc": "2052-03-24T09:12:16Z", "ms": 2594884335549.551 }, "end": { "local": "2052-03-24T13:00:16+03:00", "utc": "2052-03-24T10:00:16Z", "ms": 2594887215549.551 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:16 on Sat 23 Mar to 05:54 on Sun 24 Mar.", "fact": "2052-03-23T01:16:01Z → 2052-03-24T02:53:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 23rd, 12:12–13:00 on the 24th.", "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 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22717 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Moscow, 2052: Saturday 23 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": "2052-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-03-23", "confidence": "determinate" } ], "quote": "In Moscow, Śītalāṣṭamī 2052 falls on Saturday 23 March. Aṣṭamī runs from 04:16 on Sat 23 Mar to 05:54 on Sun 24 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ekadashi?on=2052-03-27", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 738, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-03-26T07:01:24+03:00", "utc": "2052-03-26T04:01:24Z", "ms": 2595038484298.655 }, "end": { "local": "2052-03-27T06:24:50+03:00", "utc": "2052-03-27T03:24:50Z", "ms": 2595122689829.0566 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2052-03-26T07:01:24+03:00", "utc": "2052-03-26T04:01:24Z", "ms": 2595038484298.655 }, "end": { "local": "2052-03-27T06:24:50+03:00", "utc": "2052-03-27T03:24:50Z", "ms": 2595122689829.0566 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-03-26", "window": { "start": { "local": "2052-03-26T06:15:09+03:00", "utc": "2052-03-26T03:15:09Z", "ms": 2595035708745.6494 }, "end": { "local": "2052-03-26T06:15:09+03:00", "utc": "2052-03-26T03:15:09Z", "ms": 2595035708745.6494 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-03-27", "window": { "start": { "local": "2052-03-27T06:12:32+03:00", "utc": "2052-03-27T03:12:32Z", "ms": 2595121952026.699 }, "end": { "local": "2052-03-27T06:12:32+03:00", "utc": "2052-03-27T03:12:32Z", "ms": 2595121952026.699 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:01 on Tue 26 Mar to 06:25 on Wed 27 Mar.", "fact": "2052-03-26T04:01:24Z → 2052-03-27T03:24:50Z" }, { "step": "kaala", "text": "Sunrise is at 06:15 on the 26th and 06:13 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 738 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Moscow, 2052: Wednesday 27 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-03-27", "confidence": "determinate" } ], "quote": "In Moscow, Pāpamocanī Ekādaśī 2052 falls on Wednesday 27 March. Ekādaśī runs from 07:01 on Tue 26 Mar to 06:25 on Wed 27 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-03-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/pradosha-vrata?on=2052-03-28", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23530, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-03-28T05:03:06+03:00", "utc": "2052-03-28T02:03:06Z", "ms": 2595204186203.2544 }, "end": { "local": "2052-03-29T03:01:20+03:00", "utc": "2052-03-29T00:01:20Z", "ms": 2595283280391.1675 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2052-03-28T05:03:06+03:00", "utc": "2052-03-28T02:03:06Z", "ms": 2595204186203.2544 }, "end": { "local": "2052-03-29T03:01:20+03:00", "utc": "2052-03-29T00:01:20Z", "ms": 2595283280391.1675 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-03-27", "window": { "start": { "local": "2052-03-27T18:58:12+03:00", "utc": "2052-03-27T15:58:12Z", "ms": 2595167892361.762 }, "end": { "local": "2052-03-27T20:27:46+03:00", "utc": "2052-03-27T17:27:46Z", "ms": 2595173266103.7954 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "2052-03-28", "window": { "start": { "local": "2052-03-28T19:00:13+03:00", "utc": "2052-03-28T16:00:13Z", "ms": 2595254413499.6562 }, "end": { "local": "2052-03-28T20:29:10+03:00", "utc": "2052-03-28T17:29:10Z", "ms": 2595259750229.5176 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:03 on Thu 28 Mar to 03:01 on Fri 29 Mar.", "fact": "2052-03-28T02:03:06Z → 2052-03-29T00:01:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:28 on the 27th, 19:00–20:29 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 27th and 89 of 89 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23530 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2052: Thursday 28 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": "2052-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-03-28", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2052 falls on Thursday 28 March. Trayodaśī runs from 05:03 on Thu 28 Mar to 03:01 on Fri 29 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-03-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/shivaratri?on=2052-03-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1030, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2052-03-29T03:01:20+03:00", "utc": "2052-03-29T00:01:20Z", "ms": 2595283280391.1675 }, "end": { "local": "2052-03-30T00:26:39+03:00", "utc": "2052-03-29T21:26:39Z", "ms": 2595360399004.905 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2052-03-29T03:01:20+03:00", "utc": "2052-03-29T00:01:20Z", "ms": 2595283280391.1675 }, "end": { "local": "2052-03-30T00:26:39+03:00", "utc": "2052-03-29T21:26:39Z", "ms": 2595360399004.905 } }, "kaala": "nishita", "days": [ { "local_date": "2052-03-28", "window": { "start": { "local": "2052-03-29T00:09:46+03:00", "utc": "2052-03-28T21:09:46Z", "ms": 2595272986236.6357 }, "end": { "local": "2052-03-29T00:57:46+03:00", "utc": "2052-03-28T21:57:46Z", "ms": 2595275866236.6357 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-03-29", "window": { "start": { "local": "2052-03-30T00:09:29+03:00", "utc": "2052-03-29T21:09:29Z", "ms": 2595359368647.6143 }, "end": { "local": "2052-03-30T00:57:29+03:00", "utc": "2052-03-29T21:57:29Z", "ms": 2595362248647.6143 } }, "covered_min": 17, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:01 on Fri 29 Mar to 00:27 on Sat 30 Mar.", "fact": "2052-03-29T00:01:20Z → 2052-03-29T21:26:39Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:10–00:58 on the 28th, 00:09–00:57 on the 29th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 28th and 17 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1030 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2052: Friday 29 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": "2052-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-03-29", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2052 falls on Friday 29 March. Caturdaśī runs from 03:01 on Fri 29 Mar to 00:27 on Sat 30 Mar and covers 17 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2052/shivaratri?on=2052-03-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18855, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2052-03-30T21:27:22+03:00", "utc": "2052-03-30T18:27:22Z", "ms": 2595436042181.242 }, "end": { "local": "2052-03-31T18:12:27+03:00", "utc": "2052-03-31T15:12:27Z", "ms": 2595510746929.7715 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2052-03-30T21:27:22+03:00", "utc": "2052-03-30T18:27:22Z", "ms": 2595436042181.242 }, "end": { "local": "2052-03-31T18:12:27+03:00", "utc": "2052-03-31T15:12:27Z", "ms": 2595510746929.7715 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-03-30", "window": { "start": { "local": "2052-03-30T12:10:29+03:00", "utc": "2052-03-30T09:10:29Z", "ms": 2595402629183.877 }, "end": { "local": "2052-03-30T12:58:29+03:00", "utc": "2052-03-30T09:58:29Z", "ms": 2595405509183.877 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-03-31", "window": { "start": { "local": "2052-03-31T12:10:12+03:00", "utc": "2052-03-31T09:10:12Z", "ms": 2595489011665.332 }, "end": { "local": "2052-03-31T12:58:12+03:00", "utc": "2052-03-31T09:58:12Z", "ms": 2595491891665.332 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 21:27 on Sat 30 Mar to 18:12 on Sun 31 Mar.", "fact": "2052-03-30T18:27:22Z → 2052-03-31T15:12:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 30th, 12:10–12:58 on the 31st.", "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 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18855 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Moscow, 2052: Sunday 31 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": "2052-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-03-31", "confidence": "determinate" } ], "quote": "In Moscow, Navarātrārambha (Caitra) (Chaitra Navratri) 2052 falls on Sunday 31 March. Pratipadā runs from 21:27 on Sat 30 Mar to 18:12 on Sun 31 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2263, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2052-04-01T14:51:00+03:00", "utc": "2052-04-01T11:51:00Z", "ms": 2595585059528.999 }, "end": { "local": "2052-04-02T11:31:54+03:00", "utc": "2052-04-02T08:31:54Z", "ms": 2595659514295.0283 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2052-04-01T14:51:00+03:00", "utc": "2052-04-01T11:51:00Z", "ms": 2595585059528.999 }, "end": { "local": "2052-04-02T11:31:54+03:00", "utc": "2052-04-02T08:31:54Z", "ms": 2595659514295.0283 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-04-01", "window": { "start": { "local": "2052-04-01T12:09:54+03:00", "utc": "2052-04-01T09:09:54Z", "ms": 2595575394246.285 }, "end": { "local": "2052-04-01T12:57:54+03:00", "utc": "2052-04-01T09:57:54Z", "ms": 2595578274246.285 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-04-02", "window": { "start": { "local": "2052-04-02T12:09:37+03:00", "utc": "2052-04-02T09:09:37Z", "ms": 2595661776940.42 }, "end": { "local": "2052-04-02T12:57:37+03:00", "utc": "2052-04-02T09:57:37Z", "ms": 2595664656940.42 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:51 on Mon 1 Apr to 11:32 on Tue 2 Apr.", "fact": "2052-04-01T11:51:00Z → 2052-04-02T08:31:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 1st, 12:10–12:58 on the 2nd.", "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 1st and 0 of 48 on the 2nd.", "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: unstated → second-day · margin 2263 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Moscow, 2052: Tuesday 2 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-04-02", "confidence": "determinate" } ], "quote": "In Moscow, Gaurī Tṛtīyā (Gangaur) 2052 falls on Tuesday 2 April. Tṛtīyā runs from 14:51 on Mon 1 Apr to 11:32 on Tue 2 Apr, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2263, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2052-04-01T14:51:00+03:00", "utc": "2052-04-01T11:51:00Z", "ms": 2595585059528.999 }, "end": { "local": "2052-04-02T11:31:54+03:00", "utc": "2052-04-02T08:31:54Z", "ms": 2595659514295.0283 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2052-04-01T14:51:00+03:00", "utc": "2052-04-01T11:51:00Z", "ms": 2595585059528.999 }, "end": { "local": "2052-04-02T11:31:54+03:00", "utc": "2052-04-02T08:31:54Z", "ms": 2595659514295.0283 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-04-01", "window": { "start": { "local": "2052-04-01T12:09:54+03:00", "utc": "2052-04-01T09:09:54Z", "ms": 2595575394246.285 }, "end": { "local": "2052-04-01T12:57:54+03:00", "utc": "2052-04-01T09:57:54Z", "ms": 2595578274246.285 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-04-02", "window": { "start": { "local": "2052-04-02T12:09:37+03:00", "utc": "2052-04-02T09:09:37Z", "ms": 2595661776940.42 }, "end": { "local": "2052-04-02T12:57:37+03:00", "utc": "2052-04-02T09:57:37Z", "ms": 2595664656940.42 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:51 on Mon 1 Apr to 11:32 on Tue 2 Apr.", "fact": "2052-04-01T11:51:00Z → 2052-04-02T08:31:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 1st, 12:10–12:58 on the 2nd.", "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 1st and 0 of 48 on the 2nd.", "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 2263 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Moscow, 2052: Tuesday 2 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-04-02", "confidence": "determinate" } ], "quote": "In Moscow, Saubhāgya Śayana Vrata 2052 falls on Tuesday 2 April. Tṛtīyā runs from 14:51 on Mon 1 Apr to 11:32 on Tue 2 Apr, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/vinayaka-chaturthi?on=2052-04-02", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2263, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-04-02T11:31:54+03:00", "utc": "2052-04-02T08:31:54Z", "ms": 2595659514295.0283 }, "end": { "local": "2052-04-03T08:23:36+03:00", "utc": "2052-04-03T05:23:36Z", "ms": 2595734615569.113 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2052-04-02T11:31:54+03:00", "utc": "2052-04-02T08:31:54Z", "ms": 2595659514295.0283 }, "end": { "local": "2052-04-03T08:23:36+03:00", "utc": "2052-04-03T05:23:36Z", "ms": 2595734615569.113 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-04-02", "window": { "start": { "local": "2052-04-02T12:09:37+03:00", "utc": "2052-04-02T09:09:37Z", "ms": 2595661776940.42 }, "end": { "local": "2052-04-02T12:57:37+03:00", "utc": "2052-04-02T09:57:37Z", "ms": 2595664656940.42 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-04-03", "window": { "start": { "local": "2052-04-03T12:09:20+03:00", "utc": "2052-04-03T09:09:20Z", "ms": 2595748159761.7676 }, "end": { "local": "2052-04-03T12:57:20+03:00", "utc": "2052-04-03T09:57:20Z", "ms": 2595751039761.7676 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:32 on Tue 2 Apr to 08:24 on Wed 3 Apr.", "fact": "2052-04-02T08:31:54Z → 2052-04-03T05:23:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 2nd, 12:09–12:57 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 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2263 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2052: Tuesday 2 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": "2052-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-04-02", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2052 falls on Tuesday 2 April. Caturthī runs from 11:32 on Tue 2 Apr to 08:24 on Wed 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/vinayaka-chaturthi?on=2052-04-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13544, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2052-04-03T08:23:36+03:00", "utc": "2052-04-03T05:23:36Z", "ms": 2595734615569.113 }, "end": { "local": "2052-04-04T05:33:40+03:00", "utc": "2052-04-04T02:33:40Z", "ms": 2595810820419.4375 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2052-04-03T08:23:36+03:00", "utc": "2052-04-03T05:23:36Z", "ms": 2595734615569.113 }, "end": { "local": "2052-04-04T05:33:40+03:00", "utc": "2052-04-04T02:33:40Z", "ms": 2595810820419.4375 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-04-03", "window": { "start": { "local": "2052-04-03T12:09:20+03:00", "utc": "2052-04-03T09:09:20Z", "ms": 2595748159761.7676 }, "end": { "local": "2052-04-03T12:57:20+03:00", "utc": "2052-04-03T09:57:20Z", "ms": 2595751039761.7676 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-04-04", "window": { "start": { "local": "2052-04-04T12:09:03+03:00", "utc": "2052-04-04T09:09:03Z", "ms": 2595834542725.1523 }, "end": { "local": "2052-04-04T12:57:03+03:00", "utc": "2052-04-04T09:57:03Z", "ms": 2595837422725.1523 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:24 on Wed 3 Apr to 05:34 on Thu 4 Apr.", "fact": "2052-04-03T05:23:36Z → 2052-04-04T02:33:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 3rd, 12:09–12:57 on the 4th.", "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 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 13544 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Moscow, 2052: Wednesday 3 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": "2052-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-04-03", "confidence": "determinate" } ], "quote": "In Moscow, Lakṣmī Pañcamī 2052 falls on Wednesday 3 April. Pañcamī runs from 08:24 on Wed 3 Apr to 05:34 on Thu 4 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39283, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2052-04-06T01:13:47+03:00", "utc": "2052-04-05T22:13:47Z", "ms": 2595968026608.596 }, "end": { "local": "2052-04-06T23:52:30+03:00", "utc": "2052-04-06T20:52:30Z", "ms": 2596049549747.59 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2052-04-06T01:13:47+03:00", "utc": "2052-04-05T22:13:47Z", "ms": 2595968026608.596 }, "end": { "local": "2052-04-06T23:52:30+03:00", "utc": "2052-04-06T20:52:30Z", "ms": 2596049549747.59 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-04-06", "window": { "start": { "local": "2052-04-06T12:08:29+03:00", "utc": "2052-04-06T09:08:29Z", "ms": 2596007309142.551 }, "end": { "local": "2052-04-06T12:56:29+03:00", "utc": "2052-04-06T09:56:29Z", "ms": 2596010189142.551 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-04-07", "window": { "start": { "local": "2052-04-07T12:08:13+03:00", "utc": "2052-04-07T09:08:13Z", "ms": 2596093692631.342 }, "end": { "local": "2052-04-07T12:56:13+03:00", "utc": "2052-04-07T09:56:13Z", "ms": 2596096572631.342 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:14 on Sat 6 Apr to 23:52 on Sat 6 Apr.", "fact": "2052-04-05T22:13:47Z → 2052-04-06T20:52:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 6th, 12:08–12:56 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 39283 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Moscow, 2052: Saturday 6 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": "2052-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-04-06", "confidence": "determinate" } ], "quote": "In Moscow, Bhavānī Utpatti 2052 falls on Saturday 6 April. Aṣṭamī runs from 01:14 on Sat 6 Apr to 23:52 on Sat 6 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36624, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2052-04-06T23:52:30+03:00", "utc": "2052-04-06T20:52:30Z", "ms": 2596049549747.59 }, "end": { "local": "2052-04-07T23:06:37+03:00", "utc": "2052-04-07T20:06:37Z", "ms": 2596133196849.4023 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2052-04-06T23:52:30+03:00", "utc": "2052-04-06T20:52:30Z", "ms": 2596049549747.59 }, "end": { "local": "2052-04-07T23:06:37+03:00", "utc": "2052-04-07T20:06:37Z", "ms": 2596133196849.4023 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-04-06", "window": { "start": { "local": "2052-04-06T12:08:29+03:00", "utc": "2052-04-06T09:08:29Z", "ms": 2596007309142.551 }, "end": { "local": "2052-04-06T12:56:29+03:00", "utc": "2052-04-06T09:56:29Z", "ms": 2596010189142.551 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-04-07", "window": { "start": { "local": "2052-04-07T12:08:13+03:00", "utc": "2052-04-07T09:08:13Z", "ms": 2596093692631.342 }, "end": { "local": "2052-04-07T12:56:13+03:00", "utc": "2052-04-07T09:56:13Z", "ms": 2596096572631.342 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 23:52 on Sat 6 Apr to 23:07 on Sun 7 Apr.", "fact": "2052-04-06T20:52:30Z → 2052-04-07T20:06:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 6th, 12:08–12:56 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36624 s" }, { "step": "ruling", "text": "Rāma Navamī, Moscow, 2052: Sunday 7 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": "2052-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-04-07", "confidence": "determinate" } ], "quote": "In Moscow, Rāma Navamī 2052 falls on Sunday 7 April. Navamī runs from 23:52 on Sat 6 Apr to 23:07 on Sun 7 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ekadashi?on=2052-04-09", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22603, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-04-08T22:56:10+03:00", "utc": "2052-04-08T19:56:10Z", "ms": 2596218970132.0757 }, "end": { "local": "2052-04-09T23:19:40+03:00", "utc": "2052-04-09T20:19:40Z", "ms": 2596306779972.9565 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2052-04-08T22:56:10+03:00", "utc": "2052-04-08T19:56:10Z", "ms": 2596218970132.0757 }, "end": { "local": "2052-04-09T23:19:40+03:00", "utc": "2052-04-09T20:19:40Z", "ms": 2596306779972.9565 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-04-09", "window": { "start": { "local": "2052-04-09T05:38:55+03:00", "utc": "2052-04-09T02:38:55Z", "ms": 2596243135205.231 }, "end": { "local": "2052-04-09T05:38:55+03:00", "utc": "2052-04-09T02:38:55Z", "ms": 2596243135205.231 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-04-10", "window": { "start": { "local": "2052-04-10T05:36:23+03:00", "utc": "2052-04-10T02:36:23Z", "ms": 2596329382635.928 }, "end": { "local": "2052-04-10T05:36:23+03:00", "utc": "2052-04-10T02:36:23Z", "ms": 2596329382635.928 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:56 on Mon 8 Apr to 23:20 on Tue 9 Apr.", "fact": "2052-04-08T19:56:10Z → 2052-04-09T20:19:40Z" }, { "step": "kaala", "text": "Sunrise is at 05:39 on the 9th and 05:36 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22603 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Moscow, 2052: Tuesday 9 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": "2052-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-04-09", "confidence": "determinate" } ], "quote": "In Moscow, Kāmadā Ekādaśī 2052 falls on Tuesday 9 April. Ekādaśī runs from 22:56 on Mon 8 Apr to 23:20 on Tue 9 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-04-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37794, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-04-11T00:14:26+03:00", "utc": "2052-04-10T21:14:26Z", "ms": 2596396465911.165 }, "end": { "local": "2052-04-12T01:37:00+03:00", "utc": "2052-04-11T22:37:00Z", "ms": 2596487820120.107 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2052-04-11T00:14:26+03:00", "utc": "2052-04-10T21:14:26Z", "ms": 2596396465911.165 }, "end": { "local": "2052-04-12T01:37:00+03:00", "utc": "2052-04-11T22:37:00Z", "ms": 2596487820120.107 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-04-11", "window": { "start": { "local": "2052-04-11T12:07:09+03:00", "utc": "2052-04-11T09:07:09Z", "ms": 2596439228889.894 }, "end": { "local": "2052-04-11T12:55:09+03:00", "utc": "2052-04-11T09:55:09Z", "ms": 2596442108889.894 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-04-12", "window": { "start": { "local": "2052-04-12T12:06:54+03:00", "utc": "2052-04-12T09:06:54Z", "ms": 2596525613626.61 }, "end": { "local": "2052-04-12T12:54:54+03:00", "utc": "2052-04-12T09:54:54Z", "ms": 2596528493626.61 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:14 on Thu 11 Apr to 01:37 on Fri 12 Apr.", "fact": "2052-04-10T21:14:26Z → 2052-04-11T22:37:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 11th, 12:07–12:55 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 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: purvaviddha → only-day · margin 37794 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Moscow, 2052: Thursday 11 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": "2052-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-04-11", "confidence": "determinate" } ], "quote": "In Moscow, Anaṅga Trayodaśī 2052 falls on Thursday 11 April. Trayodaśī runs from 00:14 on Thu 11 Apr to 01:37 on Fri 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/pradosha-vrata?on=2052-04-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12420, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-04-11T00:14:26+03:00", "utc": "2052-04-10T21:14:26Z", "ms": 2596396465911.165 }, "end": { "local": "2052-04-12T01:37:00+03:00", "utc": "2052-04-11T22:37:00Z", "ms": 2596487820120.107 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2052-04-11T00:14:26+03:00", "utc": "2052-04-10T21:14:26Z", "ms": 2596396465911.165 }, "end": { "local": "2052-04-12T01:37:00+03:00", "utc": "2052-04-11T22:37:00Z", "ms": 2596487820120.107 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-04-10", "window": { "start": { "local": "2052-04-10T19:26:26+03:00", "utc": "2052-04-10T16:26:26Z", "ms": 2596379186246.6973 }, "end": { "local": "2052-04-10T20:47:25+03:00", "utc": "2052-04-10T17:47:25Z", "ms": 2596384045492.765 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "2052-04-11", "window": { "start": { "local": "2052-04-11T19:28:27+03:00", "utc": "2052-04-11T16:28:27Z", "ms": 2596465707187.58 }, "end": { "local": "2052-04-11T20:48:50+03:00", "utc": "2052-04-11T17:48:50Z", "ms": 2596470530110.3716 } }, "covered_min": 80, "window_min": 80, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:14 on Thu 11 Apr to 01:37 on Fri 12 Apr.", "fact": "2052-04-10T21:14:26Z → 2052-04-11T22:37:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:26–20:47 on the 10th, 19:28–20:49 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 81 minutes on the 10th and 80 of 80 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12420 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2052: Thursday 11 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": "2052-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-04-11", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2052 falls on Thursday 11 April. Trayodaśī runs from 00:14 on Thu 11 Apr to 01:37 on Fri 12 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-04-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31393, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2052-04-12T01:37:00+03:00", "utc": "2052-04-11T22:37:00Z", "ms": 2596487820120.107 }, "end": { "local": "2052-04-13T03:23:26+03:00", "utc": "2052-04-13T00:23:26Z", "ms": 2596580605729.813 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2052-04-12T01:37:00+03:00", "utc": "2052-04-11T22:37:00Z", "ms": 2596487820120.107 }, "end": { "local": "2052-04-13T03:23:26+03:00", "utc": "2052-04-13T00:23:26Z", "ms": 2596580605729.813 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-04-12", "window": { "start": { "local": "2052-04-12T12:06:54+03:00", "utc": "2052-04-12T09:06:54Z", "ms": 2596525613626.61 }, "end": { "local": "2052-04-12T12:54:54+03:00", "utc": "2052-04-12T09:54:54Z", "ms": 2596528493626.61 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-04-13", "window": { "start": { "local": "2052-04-13T12:06:39+03:00", "utc": "2052-04-13T09:06:39Z", "ms": 2596611998670.5225 }, "end": { "local": "2052-04-13T12:54:39+03:00", "utc": "2052-04-13T09:54:39Z", "ms": 2596614878670.5225 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:37 on Fri 12 Apr to 03:23 on Sat 13 Apr.", "fact": "2052-04-11T22:37:00Z → 2052-04-13T00:23:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 12th, 12:07–12:55 on the 13th.", "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 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 31393 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Moscow, 2052: Friday 12 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": "2052-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-04-12", "confidence": "determinate" } ], "quote": "In Moscow, Viṣṇudamanaka Caturdaśī 2052 falls on Friday 12 April. Caturdaśī runs from 01:37 on Fri 12 Apr to 03:23 on Sat 13 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23721, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2052-04-13T22:50:57+03:00", "utc": "2052-04-13T19:50:57Z", "ms": 2596650656574.579 }, "end": { "local": "2052-05-14T19:40:55+03:00", "utc": "2052-05-14T16:40:55Z", "ms": 2599317654733.7373 } }, "span": { "of": "transit", "start": { "local": "2052-04-13T22:50:57+03:00", "utc": "2052-04-13T19:50:57Z", "ms": 2596650656574.579 }, "end": { "local": "2052-04-13T22:50:57+03:00", "utc": "2052-04-13T19:50:57Z", "ms": 2596650656574.579 } }, "kaala": "day", "days": [ { "local_date": "2052-04-13", "window": { "start": { "local": "2052-04-13T05:28:48+03:00", "utc": "2052-04-13T02:28:48Z", "ms": 2596588128219.8984 }, "end": { "local": "2052-04-14T05:26:18+03:00", "utc": "2052-04-14T02:26:18Z", "ms": 2596674377962.032 } }, "covered_min": 1, "window_min": 1437, "qualifies": true }, { "local_date": "2052-04-14", "window": { "start": { "local": "2052-04-14T05:26:18+03:00", "utc": "2052-04-14T02:26:18Z", "ms": 2596674377962.032 }, "end": { "local": "2052-04-15T05:23:48+03:00", "utc": "2052-04-15T02:23:48Z", "ms": 2596760628371.2896 } }, "covered_min": 0, "window_min": 1438, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 22:51 on Sat 13 Apr.", "fact": "2052-04-13T19:50:57Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:29 on the 13th, and from 05:26 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 23721 s" }, { "step": "ruling", "text": "Vaiśākhī, Moscow, 2052: Saturday 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": "2052-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2052-04-13", "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": "sunset-rule", "local_date": "2052-04-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Moscow, Vaiśākhī 2052 falls on Saturday 13 April. The Sun enters Meṣa at 22:51 on Sat 13 Apr, and the rule counts the day from sunrise. 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/moscow/festivals/2052/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": "/moscow/festivals/2052/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23820, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2052-04-13T03:23:26+03:00", "utc": "2052-04-13T00:23:26Z", "ms": 2596580605729.813 }, "end": { "local": "2052-04-14T05:29:24+03:00", "utc": "2052-04-14T02:29:24Z", "ms": 2596674563849.5186 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2052-04-13T03:23:26+03:00", "utc": "2052-04-13T00:23:26Z", "ms": 2596580605729.813 }, "end": { "local": "2052-04-14T05:29:24+03:00", "utc": "2052-04-14T02:29:24Z", "ms": 2596674563849.5186 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-04-13", "window": { "start": { "local": "2052-04-13T12:06:39+03:00", "utc": "2052-04-13T09:06:39Z", "ms": 2596611998670.5225 }, "end": { "local": "2052-04-13T12:54:39+03:00", "utc": "2052-04-13T09:54:39Z", "ms": 2596614878670.5225 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-04-14", "window": { "start": { "local": "2052-04-14T12:06:24+03:00", "utc": "2052-04-14T09:06:24Z", "ms": 2596698384040.3467 }, "end": { "local": "2052-04-14T12:54:24+03:00", "utc": "2052-04-14T09:54:24Z", "ms": 2596701264040.3467 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:23 on Sat 13 Apr to 05:29 on Sun 14 Apr.", "fact": "2052-04-13T00:23:26Z → 2052-04-14T02:29:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 13th, 12:06–12:54 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23820 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Moscow, 2052: Saturday 13 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": "2052-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-04-13", "confidence": "determinate" } ], "quote": "In Moscow, Caitrī Pūrṇimā 2052 falls on Saturday 13 April. Pūrṇimā runs from 03:23 on Sat 13 Apr to 05:29 on Sun 14 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/sankashta-chaturthi?on=2052-04-17", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31373, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-04-17T12:52:36+03:00", "utc": "2052-04-17T09:52:36Z", "ms": 2596960355674.1084 }, "end": { "local": "2052-04-18T15:19:54+03:00", "utc": "2052-04-18T12:19:54Z", "ms": 2597055593617.3833 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2052-04-17T12:52:36+03:00", "utc": "2052-04-17T09:52:36Z", "ms": 2596960355674.1084 }, "end": { "local": "2052-04-18T15:19:54+03:00", "utc": "2052-04-18T12:19:54Z", "ms": 2597055593617.3833 } }, "kaala": "moonrise", "days": [ { "local_date": "2052-04-17", "window": { "start": { "local": "2052-04-17T23:09:34+03:00", "utc": "2052-04-17T20:09:34Z", "ms": 2596997374017.1006 }, "end": { "local": "2052-04-17T23:09:34+03:00", "utc": "2052-04-17T20:09:34Z", "ms": 2596997374017.1006 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-04-18", "window": { "start": { "local": "2052-04-19T00:02:47+03:00", "utc": "2052-04-18T21:02:47Z", "ms": 2597086966901.371 }, "end": { "local": "2052-04-19T00:02:47+03:00", "utc": "2052-04-18T21:02:47Z", "ms": 2597086966901.371 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:53 on Wed 17 Apr to 15:20 on Thu 18 Apr.", "fact": "2052-04-17T09:52:36Z → 2052-04-18T12:19:54Z" }, { "step": "kaala", "text": "Moonrise is at 23:10 on the 17th and 00:03 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 31373 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2052: Wednesday 17 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": "2052-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-04-17", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2052 falls on Wednesday 17 April. Caturthī runs from 12:53 on Wed 17 Apr to 15:20 on Thu 18 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/sankashta-chaturthi?on=2052-04-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/ekadashi?on=2052-04-25", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31450, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-04-24T20:15:27+03:00", "utc": "2052-04-24T17:15:27Z", "ms": 2597591727198.9214 }, "end": { "local": "2052-04-25T18:36:19+03:00", "utc": "2052-04-25T15:36:19Z", "ms": 2597672178765.872 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2052-04-24T20:15:27+03:00", "utc": "2052-04-24T17:15:27Z", "ms": 2597591727198.9214 }, "end": { "local": "2052-04-25T18:36:19+03:00", "utc": "2052-04-25T15:36:19Z", "ms": 2597672178765.872 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-04-25", "window": { "start": { "local": "2052-04-25T04:59:38+03:00", "utc": "2052-04-25T01:59:38Z", "ms": 2597623177680.671 }, "end": { "local": "2052-04-25T04:59:38+03:00", "utc": "2052-04-25T01:59:38Z", "ms": 2597623177680.671 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-04-26", "window": { "start": { "local": "2052-04-26T04:57:18+03:00", "utc": "2052-04-26T01:57:18Z", "ms": 2597709438036.189 }, "end": { "local": "2052-04-26T04:57:18+03:00", "utc": "2052-04-26T01:57:18Z", "ms": 2597709438036.189 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:15 on Wed 24 Apr to 18:36 on Thu 25 Apr.", "fact": "2052-04-24T17:15:27Z → 2052-04-25T15:36:19Z" }, { "step": "kaala", "text": "Sunrise is at 05:00 on the 25th and 04:57 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 31450 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Moscow, 2052: Thursday 25 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-04-25", "confidence": "determinate" } ], "quote": "In Moscow, Varūthinī Ekādaśī 2052 falls on Thursday 25 April. Ekādaśī runs from 20:15 on Wed 24 Apr to 18:36 on Thu 25 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-04-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/pradosha-vrata?on=2052-04-26", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13354, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-04-26T16:16:08+03:00", "utc": "2052-04-26T13:16:08Z", "ms": 2597750167545.0127 }, "end": { "local": "2052-04-27T13:21:17+03:00", "utc": "2052-04-27T10:21:17Z", "ms": 2597826076865.9106 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2052-04-26T16:16:08+03:00", "utc": "2052-04-26T13:16:08Z", "ms": 2597750167545.0127 }, "end": { "local": "2052-04-27T13:21:17+03:00", "utc": "2052-04-27T10:21:17Z", "ms": 2597826076865.9106 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-04-26", "window": { "start": { "local": "2052-04-26T19:58:42+03:00", "utc": "2052-04-26T16:58:42Z", "ms": 2597763521715.262 }, "end": { "local": "2052-04-26T21:10:12+03:00", "utc": "2052-04-26T18:10:12Z", "ms": 2597767812093.0586 } }, "covered_min": 72, "window_min": 72, "qualifies": true }, { "local_date": "2052-04-27", "window": { "start": { "local": "2052-04-27T20:00:42+03:00", "utc": "2052-04-27T17:00:42Z", "ms": 2597850042210.2134 }, "end": { "local": "2052-04-27T21:11:38+03:00", "utc": "2052-04-27T18:11:38Z", "ms": 2597854298217.0137 } }, "covered_min": 0, "window_min": 71, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:16 on Fri 26 Apr to 13:21 on Sat 27 Apr.", "fact": "2052-04-26T13:16:08Z → 2052-04-27T10:21:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:59–21:10 on the 26th, 20:01–21:12 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 72 of 72 minutes on the 26th and 0 of 71 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 13354 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2052: Friday 26 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": "2052-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-04-26", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2052 falls on Friday 26 April. Trayodaśī runs from 16:16 on Fri 26 Apr to 13:21 on Sat 27 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-04-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/shivaratri?on=2052-04-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32949, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2052-04-27T13:21:17+03:00", "utc": "2052-04-27T10:21:17Z", "ms": 2597826076865.9106 }, "end": { "local": "2052-04-28T09:59:51+03:00", "utc": "2052-04-28T06:59:51Z", "ms": 2597900391004.5825 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2052-04-27T13:21:17+03:00", "utc": "2052-04-27T10:21:17Z", "ms": 2597826076865.9106 }, "end": { "local": "2052-04-28T09:59:51+03:00", "utc": "2052-04-28T06:59:51Z", "ms": 2597900391004.5825 } }, "kaala": "nishita", "days": [ { "local_date": "2052-04-26", "window": { "start": { "local": "2052-04-27T00:02:51+03:00", "utc": "2052-04-26T21:02:51Z", "ms": 2597778170631.9985 }, "end": { "local": "2052-04-27T00:50:51+03:00", "utc": "2052-04-26T21:50:51Z", "ms": 2597781050631.9985 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-04-27", "window": { "start": { "local": "2052-04-28T00:02:42+03:00", "utc": "2052-04-27T21:02:42Z", "ms": 2597864562235.714 }, "end": { "local": "2052-04-28T00:50:42+03:00", "utc": "2052-04-27T21:50:42Z", "ms": 2597867442235.714 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:21 on Sat 27 Apr to 10:00 on Sun 28 Apr.", "fact": "2052-04-27T10:21:17Z → 2052-04-28T06:59:51Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:03–00:51 on the 26th, 00:03–00:51 on the 27th.", "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 26th and 48 of 48 on the 27th.", "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 32949 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2052: Saturday 27 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": "2052-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-04-27", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2052 falls on Saturday 27 April. Caturdaśī runs from 13:21 on Sat 27 Apr to 10:00 on Sun 28 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2052/shivaratri?on=2052-04-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-04-30", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2872, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2052-04-30T22:51:20+03:00", "utc": "2052-04-30T19:51:20Z", "ms": 2598119480223.341 }, "end": { "local": "2052-05-01T19:20:49+03:00", "utc": "2052-05-01T16:20:49Z", "ms": 2598193249471.886 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2052-04-30T22:51:20+03:00", "utc": "2052-04-30T19:51:20Z", "ms": 2598119480223.341 }, "end": { "local": "2052-05-01T19:20:49+03:00", "utc": "2052-05-01T16:20:49Z", "ms": 2598193249471.886 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-04-30", "window": { "start": { "local": "2052-04-30T20:06:42+03:00", "utc": "2052-04-30T17:06:42Z", "ms": 2598109602403.1255 }, "end": { "local": "2052-04-30T21:15:56+03:00", "utc": "2052-04-30T18:15:56Z", "ms": 2598113756486.7354 } }, "covered_min": 0, "window_min": 69, "qualifies": false }, { "local_date": "2052-05-01", "window": { "start": { "local": "2052-05-01T20:08:42+03:00", "utc": "2052-05-01T17:08:42Z", "ms": 2598196121902.005 }, "end": { "local": "2052-05-01T21:17:22+03:00", "utc": "2052-05-01T18:17:22Z", "ms": 2598200242445.7734 } }, "covered_min": 0, "window_min": 69, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:51 on Tue 30 Apr to 19:21 on Wed 1 May.", "fact": "2052-04-30T19:51:20Z → 2052-05-01T16:20:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:07–21:16 on the 30th, 20:09–21:17 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 69 minutes on the 30th and 0 of 69 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 2872 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Moscow, 2052: Tuesday 30 April.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "2052-04-30", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-04-30", "confidence": "boundary" } ], "quote": "In Moscow, Paraśurāma Jayantī 2052 falls on Tuesday 30 April. Tṛtīyā runs from 22:51 on Tue 30 Apr to 19:21 on Wed 1 May, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21278, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2052-04-30T22:51:20+03:00", "utc": "2052-04-30T19:51:20Z", "ms": 2598119480223.341 }, "end": { "local": "2052-05-01T19:20:49+03:00", "utc": "2052-05-01T16:20:49Z", "ms": 2598193249471.886 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2052-04-30T22:51:20+03:00", "utc": "2052-04-30T19:51:20Z", "ms": 2598119480223.341 }, "end": { "local": "2052-05-01T19:20:49+03:00", "utc": "2052-05-01T16:20:49Z", "ms": 2598193249471.886 } }, "kaala": "purvahna", "days": [ { "local_date": "2052-05-01", "window": { "start": { "local": "2052-05-01T04:45:58+03:00", "utc": "2052-05-01T01:45:58Z", "ms": 2598140758030.2 }, "end": { "local": "2052-05-01T09:53:33+03:00", "utc": "2052-05-01T06:53:33Z", "ms": 2598159212654.1353 } }, "covered_min": 308, "window_min": 308, "qualifies": true }, { "local_date": "2052-05-02", "window": { "start": { "local": "2052-05-02T04:43:46+03:00", "utc": "2052-05-02T01:43:46Z", "ms": 2598227025980.268 }, "end": { "local": "2052-05-02T09:52:44+03:00", "utc": "2052-05-02T06:52:44Z", "ms": 2598245564334.9272 } }, "covered_min": 0, "window_min": 309, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:51 on Tue 30 Apr to 19:21 on Wed 1 May.", "fact": "2052-04-30T19:51:20Z → 2052-05-01T16:20:49Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 04:46–09:54 on the 1st, 04:44–09:53 on the 2nd.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 308 of 308 minutes on the 1st and 0 of 309 on the 2nd.", "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 21278 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Moscow, 2052: Wednesday 1 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-05-01", "confidence": "determinate" } ], "quote": "In Moscow, Akṣaya Tṛtīyā 2052 falls on Wednesday 1 May. Tṛtīyā runs from 22:51 on Tue 30 Apr to 19:21 on Wed 1 May and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/vinayaka-chaturthi?on=2052-05-02", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12106, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-05-01T19:20:49+03:00", "utc": "2052-05-01T16:20:49Z", "ms": 2598193249471.886 }, "end": { "local": "2052-05-02T16:12:59+03:00", "utc": "2052-05-02T13:12:59Z", "ms": 2598268379075.805 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2052-05-01T19:20:49+03:00", "utc": "2052-05-01T16:20:49Z", "ms": 2598193249471.886 }, "end": { "local": "2052-05-02T16:12:59+03:00", "utc": "2052-05-02T13:12:59Z", "ms": 2598268379075.805 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-05-01", "window": { "start": { "local": "2052-05-01T12:03:20+03:00", "utc": "2052-05-01T09:03:20Z", "ms": 2598166999966.1025 }, "end": { "local": "2052-05-01T12:51:20+03:00", "utc": "2052-05-01T09:51:20Z", "ms": 2598169879966.1025 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-05-02", "window": { "start": { "local": "2052-05-02T12:03:14+03:00", "utc": "2052-05-02T09:03:14Z", "ms": 2598253393512.257 }, "end": { "local": "2052-05-02T12:51:14+03:00", "utc": "2052-05-02T09:51:14Z", "ms": 2598256273512.257 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:21 on Wed 1 May to 16:13 on Thu 2 May.", "fact": "2052-05-01T16:20:49Z → 2052-05-02T13:12:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 1st, 12:03–12:51 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12106 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2052: Thursday 2 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": "2052-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-05-02", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2052 falls on Thursday 2 May. Caturthī runs from 19:21 on Wed 1 May to 16:13 on Thu 2 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/vinayaka-chaturthi?on=2052-05-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2728, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2052-05-02T16:12:59+03:00", "utc": "2052-05-02T13:12:59Z", "ms": 2598268379075.805 }, "end": { "local": "2052-05-03T13:36:35+03:00", "utc": "2052-05-03T10:36:35Z", "ms": 2598345395254.7847 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2052-05-02T16:12:59+03:00", "utc": "2052-05-02T13:12:59Z", "ms": 2598268379075.805 }, "end": { "local": "2052-05-03T13:36:35+03:00", "utc": "2052-05-03T10:36:35Z", "ms": 2598345395254.7847 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-05-02", "window": { "start": { "local": "2052-05-02T12:03:14+03:00", "utc": "2052-05-02T09:03:14Z", "ms": 2598253393512.257 }, "end": { "local": "2052-05-02T12:51:14+03:00", "utc": "2052-05-02T09:51:14Z", "ms": 2598256273512.257 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-05-03", "window": { "start": { "local": "2052-05-03T12:03:08+03:00", "utc": "2052-05-03T09:03:08Z", "ms": 2598339787570.205 }, "end": { "local": "2052-05-03T12:51:08+03:00", "utc": "2052-05-03T09:51:08Z", "ms": 2598342667570.205 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 16:13 on Thu 2 May to 13:37 on Fri 3 May.", "fact": "2052-05-02T13:12:59Z → 2052-05-03T10:36:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 2nd, 12:03–12:51 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2728 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Moscow, 2052: Friday 3 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": "2052-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-05-03", "confidence": "determinate" } ], "quote": "In Moscow, Śaṅkara Jayantī 2052 falls on Friday 3 May. Pañcamī runs from 16:13 on Thu 2 May to 13:37 on Fri 3 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1450, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2052-05-04T11:38:52+03:00", "utc": "2052-05-04T08:38:52Z", "ms": 2598424731989.5586 }, "end": { "local": "2052-05-05T10:24:52+03:00", "utc": "2052-05-05T07:24:52Z", "ms": 2598506691936.9683 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2052-05-04T11:38:52+03:00", "utc": "2052-05-04T08:38:52Z", "ms": 2598424731989.5586 }, "end": { "local": "2052-05-05T10:24:52+03:00", "utc": "2052-05-05T07:24:52Z", "ms": 2598506691936.9683 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-05-04", "window": { "start": { "local": "2052-05-04T12:03:02+03:00", "utc": "2052-05-04T09:03:02Z", "ms": 2598426182141.9883 }, "end": { "local": "2052-05-04T12:51:02+03:00", "utc": "2052-05-04T09:51:02Z", "ms": 2598429062141.9883 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-05-05", "window": { "start": { "local": "2052-05-05T12:02:57+03:00", "utc": "2052-05-05T09:02:57Z", "ms": 2598512577230.383 }, "end": { "local": "2052-05-05T12:50:57+03:00", "utc": "2052-05-05T09:50:57Z", "ms": 2598515457230.383 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 11:39 on Sat 4 May to 10:25 on Sun 5 May.", "fact": "2052-05-04T08:38:52Z → 2052-05-05T07:24:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 4th, 12:03–12:51 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1450 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Moscow, 2052: Saturday 4 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": "2052-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-05-04", "confidence": "determinate" } ], "quote": "In Moscow, Gaṅgotpatti (Ganga Saptami) 2052 falls on Saturday 4 May. Saptamī runs from 11:39 on Sat 4 May to 10:25 on Sun 5 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ekadashi?on=2052-05-09", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24060, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-05-08T11:12:05+03:00", "utc": "2052-05-08T08:12:05Z", "ms": 2598768725201.672 }, "end": { "local": "2052-05-09T12:44:52+03:00", "utc": "2052-05-09T09:44:52Z", "ms": 2598860692392.7397 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2052-05-08T11:12:05+03:00", "utc": "2052-05-08T08:12:05Z", "ms": 2598768725201.672 }, "end": { "local": "2052-05-09T12:44:52+03:00", "utc": "2052-05-09T09:44:52Z", "ms": 2598860692392.7397 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-05-08", "window": { "start": { "local": "2052-05-08T04:31:06+03:00", "utc": "2052-05-08T01:31:06Z", "ms": 2598744665520.4053 }, "end": { "local": "2052-05-08T04:31:06+03:00", "utc": "2052-05-08T01:31:06Z", "ms": 2598744665520.4053 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-05-09", "window": { "start": { "local": "2052-05-09T04:29:05+03:00", "utc": "2052-05-09T01:29:05Z", "ms": 2598830944605.538 }, "end": { "local": "2052-05-09T04:29:05+03:00", "utc": "2052-05-09T01:29:05Z", "ms": 2598830944605.538 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:12 on Wed 8 May to 12:45 on Thu 9 May.", "fact": "2052-05-08T08:12:05Z → 2052-05-09T09:44:52Z" }, { "step": "kaala", "text": "Sunrise is at 04:31 on the 8th and 04:29 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 8th and is on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24060 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Moscow, 2052: Thursday 9 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": "2052-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-05-09", "confidence": "determinate" } ], "quote": "In Moscow, Mohinī Ekādaśī 2052 falls on Thursday 9 May. Ekādaśī runs from 11:12 on Wed 8 May to 12:45 on Thu 9 May and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-05-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 350, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2052-05-09T12:44:52+03:00", "utc": "2052-05-09T09:44:52Z", "ms": 2598860692392.7397 }, "end": { "local": "2052-05-10T14:44:14+03:00", "utc": "2052-05-10T11:44:14Z", "ms": 2598954253670.2974 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2052-05-09T12:44:52+03:00", "utc": "2052-05-09T09:44:52Z", "ms": 2598860692392.7397 }, "end": { "local": "2052-05-10T14:44:14+03:00", "utc": "2052-05-10T11:44:14Z", "ms": 2598954253670.2974 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-05-09", "window": { "start": { "local": "2052-05-09T12:02:43+03:00", "utc": "2052-05-09T09:02:43Z", "ms": 2598858162816.9785 }, "end": { "local": "2052-05-09T12:50:43+03:00", "utc": "2052-05-09T09:50:43Z", "ms": 2598861042816.9785 } }, "covered_min": 6, "window_min": 48, "qualifies": true }, { "local_date": "2052-05-10", "window": { "start": { "local": "2052-05-10T12:02:41+03:00", "utc": "2052-05-10T09:02:41Z", "ms": 2598944560538.158 }, "end": { "local": "2052-05-10T12:50:41+03:00", "utc": "2052-05-10T09:50:41Z", "ms": 2598947440538.158 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 12:45 on Thu 9 May to 14:44 on Fri 10 May.", "fact": "2052-05-09T09:44:52Z → 2052-05-10T11:44:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 9th, 12:03–12:51 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 6 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": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 350 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Moscow, 2052: Thursday 9 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": "2052-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-05-09", "confidence": "determinate" } ], "quote": "In Moscow, Paraśurāma Dvādaśī 2052 falls on Thursday 9 May. Dvādaśī runs from 12:45 on Thu 9 May to 14:44 on Fri 10 May and covers 6 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/moscow/festivals/2052/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": "/moscow/festivals/2052/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 350, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2052-05-09T12:44:52+03:00", "utc": "2052-05-09T09:44:52Z", "ms": 2598860692392.7397 }, "end": { "local": "2052-05-10T14:44:14+03:00", "utc": "2052-05-10T11:44:14Z", "ms": 2598954253670.2974 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2052-05-09T12:44:52+03:00", "utc": "2052-05-09T09:44:52Z", "ms": 2598860692392.7397 }, "end": { "local": "2052-05-10T14:44:14+03:00", "utc": "2052-05-10T11:44:14Z", "ms": 2598954253670.2974 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-05-09", "window": { "start": { "local": "2052-05-09T12:02:43+03:00", "utc": "2052-05-09T09:02:43Z", "ms": 2598858162816.9785 }, "end": { "local": "2052-05-09T12:50:43+03:00", "utc": "2052-05-09T09:50:43Z", "ms": 2598861042816.9785 } }, "covered_min": 6, "window_min": 48, "qualifies": true }, { "local_date": "2052-05-10", "window": { "start": { "local": "2052-05-10T12:02:41+03:00", "utc": "2052-05-10T09:02:41Z", "ms": 2598944560538.158 }, "end": { "local": "2052-05-10T12:50:41+03:00", "utc": "2052-05-10T09:50:41Z", "ms": 2598947440538.158 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 12:45 on Thu 9 May to 14:44 on Fri 10 May.", "fact": "2052-05-09T09:44:52Z → 2052-05-10T11:44:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 9th, 12:03–12:51 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 6 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": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 350 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Moscow, 2052: Thursday 9 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": "2052-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-05-09", "confidence": "determinate" } ], "quote": "In Moscow, Rukmiṇī Dvādaśī 2052 falls on Thursday 9 May. Dvādaśī runs from 12:45 on Thu 9 May to 14:44 on Fri 10 May and covers 6 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/moscow/festivals/2052/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": "/moscow/festivals/2052/pradosha-vrata?on=2052-05-10", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12388, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-05-10T14:44:14+03:00", "utc": "2052-05-10T11:44:14Z", "ms": 2598954253670.2974 }, "end": { "local": "2052-05-11T17:01:41+03:00", "utc": "2052-05-11T14:01:41Z", "ms": 2599048901238.8374 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2052-05-10T14:44:14+03:00", "utc": "2052-05-10T11:44:14Z", "ms": 2598954253670.2974 }, "end": { "local": "2052-05-11T17:01:41+03:00", "utc": "2052-05-11T14:01:41Z", "ms": 2599048901238.8374 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-05-10", "window": { "start": { "local": "2052-05-10T20:26:16+03:00", "utc": "2052-05-10T17:26:16Z", "ms": 2598974775562.8496 }, "end": { "local": "2052-05-10T21:30:07+03:00", "utc": "2052-05-10T18:30:07Z", "ms": 2598978606595.2803 } }, "covered_min": 64, "window_min": 64, "qualifies": true }, { "local_date": "2052-05-11", "window": { "start": { "local": "2052-05-11T20:28:09+03:00", "utc": "2052-05-11T17:28:09Z", "ms": 2599061289283.0137 }, "end": { "local": "2052-05-11T21:31:30+03:00", "utc": "2052-05-11T18:31:30Z", "ms": 2599065089784.807 } }, "covered_min": 0, "window_min": 63, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:44 on Fri 10 May to 17:02 on Sat 11 May.", "fact": "2052-05-10T11:44:14Z → 2052-05-11T14:01:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:26–21:30 on the 10th, 20:28–21:31 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 64 of 64 minutes on the 10th and 0 of 63 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12388 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2052: Friday 10 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": "2052-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-05-10", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2052 falls on Friday 10 May. Trayodaśī runs from 14:44 on Fri 10 May to 17:02 on Sat 11 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-05-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3644, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2052-05-11T17:01:41+03:00", "utc": "2052-05-11T14:01:41Z", "ms": 2599048901238.8374 }, "end": { "local": "2052-05-12T19:29:18+03:00", "utc": "2052-05-12T16:29:18Z", "ms": 2599144157667.1177 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2052-05-11T17:01:41+03:00", "utc": "2052-05-11T14:01:41Z", "ms": 2599048901238.8374 }, "end": { "local": "2052-05-12T19:29:18+03:00", "utc": "2052-05-12T16:29:18Z", "ms": 2599144157667.1177 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-05-11", "window": { "start": { "local": "2052-05-11T20:28:09+03:00", "utc": "2052-05-11T17:28:09Z", "ms": 2599061289283.0137 }, "end": { "local": "2052-05-11T21:31:30+03:00", "utc": "2052-05-11T18:31:30Z", "ms": 2599065089784.807 } }, "covered_min": 63, "window_min": 63, "qualifies": true }, { "local_date": "2052-05-12", "window": { "start": { "local": "2052-05-12T20:30:02+03:00", "utc": "2052-05-12T17:30:02Z", "ms": 2599147802129.4165 }, "end": { "local": "2052-05-12T21:32:52+03:00", "utc": "2052-05-12T18:32:52Z", "ms": 2599151572485.354 } }, "covered_min": 0, "window_min": 63, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:02 on Sat 11 May to 19:29 on Sun 12 May.", "fact": "2052-05-11T14:01:41Z → 2052-05-12T16:29:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:28–21:31 on the 11th, 20:30–21:33 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 63 of 63 minutes on the 11th and 0 of 63 on the 12th.", "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 3644 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Moscow, 2052: Saturday 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": "2052-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-05-11", "confidence": "determinate" } ], "quote": "In Moscow, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2052 falls on Saturday 11 May. Caturdaśī runs from 17:02 on Sat 11 May to 19:29 on Sun 12 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23920, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2052-05-12T19:29:18+03:00", "utc": "2052-05-12T16:29:18Z", "ms": 2599144157667.1177 }, "end": { "local": "2052-05-13T22:00:06+03:00", "utc": "2052-05-13T19:00:06Z", "ms": 2599239605805.293 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2052-05-12T19:29:18+03:00", "utc": "2052-05-12T16:29:18Z", "ms": 2599144157667.1177 }, "end": { "local": "2052-05-13T22:00:06+03:00", "utc": "2052-05-13T19:00:06Z", "ms": 2599239605805.293 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-05-12", "window": { "start": { "local": "2052-05-12T12:02:38+03:00", "utc": "2052-05-12T09:02:38Z", "ms": 2599117357587.941 }, "end": { "local": "2052-05-12T12:50:38+03:00", "utc": "2052-05-12T09:50:38Z", "ms": 2599120237587.941 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-05-13", "window": { "start": { "local": "2052-05-13T12:02:37+03:00", "utc": "2052-05-13T09:02:37Z", "ms": 2599203756919.498 }, "end": { "local": "2052-05-13T12:50:37+03:00", "utc": "2052-05-13T09:50:37Z", "ms": 2599206636919.498 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:29 on Sun 12 May to 22:00 on Mon 13 May.", "fact": "2052-05-12T16:29:18Z → 2052-05-13T19:00:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 12th, 12:03–12:51 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 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23920 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Moscow, 2052: Monday 13 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": "2052-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-05-13", "confidence": "determinate" } ], "quote": "In Moscow, Buddha Pūrṇimā 2052 falls on Monday 13 May. Pūrṇimā runs from 19:29 on Sun 12 May to 22:00 on Mon 13 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23920, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2052-05-12T19:29:18+03:00", "utc": "2052-05-12T16:29:18Z", "ms": 2599144157667.1177 }, "end": { "local": "2052-05-13T22:00:06+03:00", "utc": "2052-05-13T19:00:06Z", "ms": 2599239605805.293 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2052-05-12T19:29:18+03:00", "utc": "2052-05-12T16:29:18Z", "ms": 2599144157667.1177 }, "end": { "local": "2052-05-13T22:00:06+03:00", "utc": "2052-05-13T19:00:06Z", "ms": 2599239605805.293 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-05-12", "window": { "start": { "local": "2052-05-12T12:02:38+03:00", "utc": "2052-05-12T09:02:38Z", "ms": 2599117357587.941 }, "end": { "local": "2052-05-12T12:50:38+03:00", "utc": "2052-05-12T09:50:38Z", "ms": 2599120237587.941 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-05-13", "window": { "start": { "local": "2052-05-13T12:02:37+03:00", "utc": "2052-05-13T09:02:37Z", "ms": 2599203756919.498 }, "end": { "local": "2052-05-13T12:50:37+03:00", "utc": "2052-05-13T09:50:37Z", "ms": 2599206636919.498 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:29 on Sun 12 May to 22:00 on Mon 13 May.", "fact": "2052-05-12T16:29:18Z → 2052-05-13T19:00:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 12th, 12:03–12:51 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 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23920 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Moscow, 2052: Monday 13 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": "2052-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-05-13", "confidence": "determinate" } ], "quote": "In Moscow, Sampat Gaurī Vrata 2052 falls on Monday 13 May. Pūrṇimā runs from 19:29 on Sun 12 May to 22:00 on Mon 13 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/sankashta-chaturthi?on=2052-05-17", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22001, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-05-17T04:55:10+03:00", "utc": "2052-05-17T01:55:10Z", "ms": 2599523710449.1367 }, "end": { "local": "2052-05-18T06:43:39+03:00", "utc": "2052-05-18T03:43:39Z", "ms": 2599616619427.3574 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2052-05-17T04:55:10+03:00", "utc": "2052-05-17T01:55:10Z", "ms": 2599523710449.1367 }, "end": { "local": "2052-05-18T06:43:39+03:00", "utc": "2052-05-18T03:43:39Z", "ms": 2599616619427.3574 } }, "kaala": "moonrise", "days": [ { "local_date": "2052-05-16", "window": { "start": { "local": "2052-05-16T22:48:29+03:00", "utc": "2052-05-16T19:48:29Z", "ms": 2599501709276.5474 }, "end": { "local": "2052-05-16T22:48:29+03:00", "utc": "2052-05-16T19:48:29Z", "ms": 2599501709276.5474 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-05-17", "window": { "start": { "local": "2052-05-17T23:31:26+03:00", "utc": "2052-05-17T20:31:26Z", "ms": 2599590685975.299 }, "end": { "local": "2052-05-17T23:31:26+03:00", "utc": "2052-05-17T20:31:26Z", "ms": 2599590685975.299 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:55 on Fri 17 May to 06:44 on Sat 18 May.", "fact": "2052-05-17T01:55:10Z → 2052-05-18T03:43:39Z" }, { "step": "kaala", "text": "Moonrise is at 22:48 on the 16th and 23:31 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 22001 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2052: Friday 17 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": "2052-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-05-17", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2052 falls on Friday 17 May. Caturthī runs from 04:55 on Fri 17 May to 06:44 on Sat 18 May and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/sankashta-chaturthi?on=2052-05-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/ekadashi?on=2052-05-24", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 900, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-05-24T06:10:57+03:00", "utc": "2052-05-24T03:10:57Z", "ms": 2600133057265.873 }, "end": { "local": "2052-05-25T03:46:43+03:00", "utc": "2052-05-25T00:46:43Z", "ms": 2600210802513.0366 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2052-05-24T06:10:57+03:00", "utc": "2052-05-24T03:10:57Z", "ms": 2600133057265.873 }, "end": { "local": "2052-05-25T03:46:43+03:00", "utc": "2052-05-25T00:46:43Z", "ms": 2600210802513.0366 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-05-24", "window": { "start": { "local": "2052-05-24T04:03:06+03:00", "utc": "2052-05-24T01:03:06Z", "ms": 2600125386321.254 }, "end": { "local": "2052-05-24T04:03:06+03:00", "utc": "2052-05-24T01:03:06Z", "ms": 2600125386321.254 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-05-25", "window": { "start": { "local": "2052-05-25T04:01:43+03:00", "utc": "2052-05-25T01:01:43Z", "ms": 2600211702580.5786 }, "end": { "local": "2052-05-25T04:01:43+03:00", "utc": "2052-05-25T01:01:43Z", "ms": 2600211702580.5786 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:11 on Fri 24 May to 03:47 on Sat 25 May.", "fact": "2052-05-24T03:10:57Z → 2052-05-25T00:46:43Z" }, { "step": "kaala", "text": "Sunrise is at 04:03 on the 24th and 04:02 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 24th and is not on the 25th.", "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 900 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Moscow, 2052: Friday 24 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": "2052-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-05-24", "confidence": "determinate" } ], "quote": "In Moscow, Aparā Ekādaśī 2052 falls on Friday 24 May. Ekādaśī runs from 06:11 on Fri 24 May to 03:47 on Sat 25 May, and is current at sunrise on neither day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-05-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/pradosha-vrata?on=2052-05-26", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1627, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-05-26T00:48:33+03:00", "utc": "2052-05-25T21:48:33Z", "ms": 2600286513010.5835 }, "end": { "local": "2052-05-26T21:23:43+03:00", "utc": "2052-05-26T18:23:43Z", "ms": 2600360622735.3887 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2052-05-26T00:48:33+03:00", "utc": "2052-05-25T21:48:33Z", "ms": 2600286513010.5835 }, "end": { "local": "2052-05-26T21:23:43+03:00", "utc": "2052-05-26T18:23:43Z", "ms": 2600360622735.3887 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-05-25", "window": { "start": { "local": "2052-05-25T20:52:38+03:00", "utc": "2052-05-25T17:52:38Z", "ms": 2600272357692.932 }, "end": { "local": "2052-05-25T21:49:40+03:00", "utc": "2052-05-25T18:49:40Z", "ms": 2600275779567.5854 } }, "covered_min": 0, "window_min": 57, "qualifies": false }, { "local_date": "2052-05-26", "window": { "start": { "local": "2052-05-26T20:54:11+03:00", "utc": "2052-05-26T17:54:11Z", "ms": 2600358850559.3286 }, "end": { "local": "2052-05-26T21:50:50+03:00", "utc": "2052-05-26T18:50:50Z", "ms": 2600362249671.8066 } }, "covered_min": 30, "window_min": 57, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:49 on Sun 26 May to 21:24 on Sun 26 May.", "fact": "2052-05-25T21:48:33Z → 2052-05-26T18:23:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:53–21:50 on the 25th, 20:54–21:51 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 0 of 57 minutes on the 25th and 30 of 57 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 1627 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2052: Sunday 26 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-05-26", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2052 falls on Sunday 26 May. Trayodaśī runs from 00:49 on Sun 26 May to 21:24 on Sun 26 May and covers 30 of 57 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-05-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/shivaratri?on=2052-05-26", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9534, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2052-05-26T21:23:43+03:00", "utc": "2052-05-26T18:23:43Z", "ms": 2600360622735.3887 }, "end": { "local": "2052-05-27T17:41:01+03:00", "utc": "2052-05-27T14:41:01Z", "ms": 2600433661489.303 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2052-05-26T21:23:43+03:00", "utc": "2052-05-26T18:23:43Z", "ms": 2600360622735.3887 }, "end": { "local": "2052-05-27T17:41:01+03:00", "utc": "2052-05-27T14:41:01Z", "ms": 2600433661489.303 } }, "kaala": "nishita", "days": [ { "local_date": "2052-05-26", "window": { "start": { "local": "2052-05-27T00:02:37+03:00", "utc": "2052-05-26T21:02:37Z", "ms": 2600370157231.1206 }, "end": { "local": "2052-05-27T00:50:37+03:00", "utc": "2052-05-26T21:50:37Z", "ms": 2600373037231.1206 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-05-27", "window": { "start": { "local": "2052-05-28T00:02:45+03:00", "utc": "2052-05-27T21:02:45Z", "ms": 2600456565216.8916 }, "end": { "local": "2052-05-28T00:50:45+03:00", "utc": "2052-05-27T21:50:45Z", "ms": 2600459445216.8916 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:24 on Sun 26 May to 17:41 on Mon 27 May.", "fact": "2052-05-26T18:23:43Z → 2052-05-27T14:41:01Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:03–00:51 on the 26th, 00:03–00:51 on the 27th.", "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 26th and 0 of 48 on the 27th.", "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 9534 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2052: Sunday 26 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": "2052-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-05-26", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2052 falls on Sunday 26 May. Caturdaśī runs from 21:24 on Sun 26 May to 17:41 on Mon 27 May and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2052/shivaratri?on=2052-05-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20102, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2052-05-30T06:28:43+03:00", "utc": "2052-05-30T03:28:43Z", "ms": 2600652522694.1343 }, "end": { "local": "2052-05-31T03:19:15+03:00", "utc": "2052-05-31T00:19:15Z", "ms": 2600727554862.178 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2052-05-30T06:28:43+03:00", "utc": "2052-05-30T03:28:43Z", "ms": 2600652522694.1343 }, "end": { "local": "2052-05-31T03:19:15+03:00", "utc": "2052-05-31T00:19:15Z", "ms": 2600727554862.178 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-05-30", "window": { "start": { "local": "2052-05-30T12:03:44+03:00", "utc": "2052-05-30T09:03:44Z", "ms": 2600672624499.177 }, "end": { "local": "2052-05-30T12:51:44+03:00", "utc": "2052-05-30T09:51:44Z", "ms": 2600675504499.177 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-05-31", "window": { "start": { "local": "2052-05-31T12:03:53+03:00", "utc": "2052-05-31T09:03:53Z", "ms": 2600759032549.918 }, "end": { "local": "2052-05-31T12:51:53+03:00", "utc": "2052-05-31T09:51:53Z", "ms": 2600761912549.918 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:29 on Thu 30 May to 03:19 on Fri 31 May.", "fact": "2052-05-30T03:28:43Z → 2052-05-31T00:19:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 30th, 12:04–12:52 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20102 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Moscow, 2052: Thursday 30 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": "2052-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-05-30", "confidence": "determinate" } ], "quote": "In Moscow, Rambhā Tṛtīyā 2052 falls on Thursday 30 May. Tṛtīyā runs from 06:29 on Thu 30 May to 03:19 on Fri 31 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/vinayaka-chaturthi?on=2052-05-31", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31478, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-05-31T03:19:15+03:00", "utc": "2052-05-31T00:19:15Z", "ms": 2600727554862.178 }, "end": { "local": "2052-06-01T00:44:16+03:00", "utc": "2052-05-31T21:44:16Z", "ms": 2600804655800.588 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2052-05-31T03:19:15+03:00", "utc": "2052-05-31T00:19:15Z", "ms": 2600727554862.178 }, "end": { "local": "2052-06-01T00:44:16+03:00", "utc": "2052-05-31T21:44:16Z", "ms": 2600804655800.588 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-05-31", "window": { "start": { "local": "2052-05-31T12:03:53+03:00", "utc": "2052-05-31T09:03:53Z", "ms": 2600759032549.918 }, "end": { "local": "2052-05-31T12:51:53+03:00", "utc": "2052-05-31T09:51:53Z", "ms": 2600761912549.918 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-06-01", "window": { "start": { "local": "2052-06-01T12:04:01+03:00", "utc": "2052-06-01T09:04:01Z", "ms": 2600845440945.894 }, "end": { "local": "2052-06-01T12:52:01+03:00", "utc": "2052-06-01T09:52:01Z", "ms": 2600848320945.894 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:19 on Fri 31 May to 00:44 on Sat 1 Jun.", "fact": "2052-05-31T00:19:15Z → 2052-05-31T21:44:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 31st, 12:04–12:52 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 31st and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31478 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2052: Friday 31 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": "2052-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-05-31", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2052 falls on Friday 31 May. Caturthī runs from 03:19 on Fri 31 May to 00:44 on Sat 1 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/vinayaka-chaturthi?on=2052-05-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32198, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2052-06-01T22:52:09+03:00", "utc": "2052-06-01T19:52:09Z", "ms": 2600884328642.5967 }, "end": { "local": "2052-06-02T21:48:48+03:00", "utc": "2052-06-02T18:48:48Z", "ms": 2600966928005.101 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2052-06-01T22:52:09+03:00", "utc": "2052-06-01T19:52:09Z", "ms": 2600884328642.5967 }, "end": { "local": "2052-06-02T21:48:48+03:00", "utc": "2052-06-02T18:48:48Z", "ms": 2600966928005.101 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-06-01", "window": { "start": { "local": "2052-06-01T12:04:01+03:00", "utc": "2052-06-01T09:04:01Z", "ms": 2600845440945.894 }, "end": { "local": "2052-06-01T12:52:01+03:00", "utc": "2052-06-01T09:52:01Z", "ms": 2600848320945.894 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-06-02", "window": { "start": { "local": "2052-06-02T12:04:10+03:00", "utc": "2052-06-02T09:04:10Z", "ms": 2600931849668.1494 }, "end": { "local": "2052-06-02T12:52:10+03:00", "utc": "2052-06-02T09:52:10Z", "ms": 2600934729668.1494 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:52 on Sat 1 Jun to 21:49 on Sun 2 Jun.", "fact": "2052-06-01T19:52:09Z → 2052-06-02T18:48:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 1st, 12:04–12:52 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32198 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Moscow, 2052: Sunday 2 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": "2052-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-06-02", "confidence": "determinate" } ], "quote": "In Moscow, Araṇya Gaurī Vrata 2052 falls on Sunday 2 June. Ṣaṣṭhī runs from 22:52 on Sat 1 Jun to 21:49 on Sun 2 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32198, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2052-06-01T22:52:09+03:00", "utc": "2052-06-01T19:52:09Z", "ms": 2600884328642.5967 }, "end": { "local": "2052-06-02T21:48:48+03:00", "utc": "2052-06-02T18:48:48Z", "ms": 2600966928005.101 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2052-06-01T22:52:09+03:00", "utc": "2052-06-01T19:52:09Z", "ms": 2600884328642.5967 }, "end": { "local": "2052-06-02T21:48:48+03:00", "utc": "2052-06-02T18:48:48Z", "ms": 2600966928005.101 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-06-01", "window": { "start": { "local": "2052-06-01T12:04:01+03:00", "utc": "2052-06-01T09:04:01Z", "ms": 2600845440945.894 }, "end": { "local": "2052-06-01T12:52:01+03:00", "utc": "2052-06-01T09:52:01Z", "ms": 2600848320945.894 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-06-02", "window": { "start": { "local": "2052-06-02T12:04:10+03:00", "utc": "2052-06-02T09:04:10Z", "ms": 2600931849668.1494 }, "end": { "local": "2052-06-02T12:52:10+03:00", "utc": "2052-06-02T09:52:10Z", "ms": 2600934729668.1494 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:52 on Sat 1 Jun to 21:49 on Sun 2 Jun.", "fact": "2052-06-01T19:52:09Z → 2052-06-02T18:48:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 1st, 12:04–12:52 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32198 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Moscow, 2052: Sunday 2 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": "2052-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-06-02", "confidence": "determinate" } ], "quote": "In Moscow, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2052 falls on Sunday 2 June. Ṣaṣṭhī runs from 22:52 on Sat 1 Jun to 21:49 on Sun 2 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ekadashi?on=2052-06-08", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-06-08", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 200, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-06-07T01:31:57+03:00", "utc": "2052-06-06T22:31:57Z", "ms": 2601325917319.309 }, "end": { "local": "2052-06-08T03:51:04+03:00", "utc": "2052-06-08T00:51:04Z", "ms": 2601420664292.675 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2052-06-07T01:31:57+03:00", "utc": "2052-06-06T22:31:57Z", "ms": 2601325917319.309 }, "end": { "local": "2052-06-08T03:51:04+03:00", "utc": "2052-06-08T00:51:04Z", "ms": 2601420664292.675 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-06-07", "window": { "start": { "local": "2052-06-07T03:48:22+03:00", "utc": "2052-06-07T00:48:22Z", "ms": 2601334101623.6675 }, "end": { "local": "2052-06-07T03:48:22+03:00", "utc": "2052-06-07T00:48:22Z", "ms": 2601334101623.6675 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-06-08", "window": { "start": { "local": "2052-06-08T03:47:44+03:00", "utc": "2052-06-08T00:47:44Z", "ms": 2601420464201.3247 }, "end": { "local": "2052-06-08T03:47:44+03:00", "utc": "2052-06-08T00:47:44Z", "ms": 2601420464201.3247 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:32 on Fri 7 Jun to 03:51 on Sat 8 Jun.", "fact": "2052-06-06T22:31:57Z → 2052-06-08T00:51:04Z" }, { "step": "kaala", "text": "Sunrise is at 03:48 on the 7th and 03:48 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both sunrises qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 200 s < 300 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Moscow, 2052: Saturday 8 June.", "fact": "confidence: boundary (margin)" } ], "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": "2052-06-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-06-08", "confidence": "boundary" } ], "quote": "In Moscow, Nirjalā Ekādaśī 2052 falls on Saturday 8 June. Ekādaśī runs from 01:32 on Fri 7 Jun to 03:51 on Sat 8 Jun and is current at sunrise that day. It is 3 min 20 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-06-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-06-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20630, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2052-06-08T03:51:04+03:00", "utc": "2052-06-08T00:51:04Z", "ms": 2601420664292.675 }, "end": { "local": "2052-06-09T06:21:28+03:00", "utc": "2052-06-09T03:21:28Z", "ms": 2601516088293.8506 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2052-06-08T03:51:04+03:00", "utc": "2052-06-08T00:51:04Z", "ms": 2601420664292.675 }, "end": { "local": "2052-06-09T06:21:28+03:00", "utc": "2052-06-09T03:21:28Z", "ms": 2601516088293.8506 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-06-08", "window": { "start": { "local": "2052-06-08T12:05:08+03:00", "utc": "2052-06-08T09:05:08Z", "ms": 2601450307874.5117 }, "end": { "local": "2052-06-08T12:53:08+03:00", "utc": "2052-06-08T09:53:08Z", "ms": 2601453187874.5117 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-06-09", "window": { "start": { "local": "2052-06-09T12:05:18+03:00", "utc": "2052-06-09T09:05:18Z", "ms": 2601536718396.965 }, "end": { "local": "2052-06-09T12:53:18+03:00", "utc": "2052-06-09T09:53:18Z", "ms": 2601539598396.965 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 03:51 on Sat 8 Jun to 06:21 on Sun 9 Jun.", "fact": "2052-06-08T00:51:04Z → 2052-06-09T03:21:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 8th, 12:05–12:53 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 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20630 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Moscow, 2052: Saturday 8 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": "2052-06-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-06-08", "confidence": "determinate" } ], "quote": "In Moscow, Śrī Rāma Dvādaśī 2052 falls on Saturday 8 June. Dvādaśī runs from 03:51 on Sat 8 Jun to 06:21 on Sun 9 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/pradosha-vrata?on=2052-06-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29884, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-06-09T06:21:28+03:00", "utc": "2052-06-09T03:21:28Z", "ms": 2601516088293.8506 }, "end": { "local": "2052-06-10T08:52:41+03:00", "utc": "2052-06-10T05:52:41Z", "ms": 2601611561373.644 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2052-06-09T06:21:28+03:00", "utc": "2052-06-09T03:21:28Z", "ms": 2601516088293.8506 }, "end": { "local": "2052-06-10T08:52:41+03:00", "utc": "2052-06-10T05:52:41Z", "ms": 2601611561373.644 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-06-08", "window": { "start": { "local": "2052-06-08T21:10:32+03:00", "utc": "2052-06-08T18:10:32Z", "ms": 2601483031547.698 }, "end": { "local": "2052-06-08T22:03:25+03:00", "utc": "2052-06-08T19:03:25Z", "ms": 2601486204740.44 } }, "covered_min": 0, "window_min": 53, "qualifies": false }, { "local_date": "2052-06-09", "window": { "start": { "local": "2052-06-09T21:11:26+03:00", "utc": "2052-06-09T18:11:26Z", "ms": 2601569486300.668 }, "end": { "local": "2052-06-09T22:04:08+03:00", "utc": "2052-06-09T19:04:08Z", "ms": 2601572648199.15 } }, "covered_min": 53, "window_min": 53, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:21 on Sun 9 Jun to 08:53 on Mon 10 Jun.", "fact": "2052-06-09T03:21:28Z → 2052-06-10T05:52:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:11–22:03 on the 8th, 21:11–22:04 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 53 minutes on the 8th and 53 of 53 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 29884 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2052: Sunday 9 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": "2052-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-06-09", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2052 falls on Sunday 9 June. Trayodaśī runs from 06:21 on Sun 9 Jun to 08:53 on Mon 10 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-06-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27990, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2052-06-11T11:16:33+03:00", "utc": "2052-06-11T08:16:33Z", "ms": 2601706592775.1514 }, "end": { "local": "2052-06-12T13:27:20+03:00", "utc": "2052-06-12T10:27:20Z", "ms": 2601800840378.7686 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2052-06-11T11:16:33+03:00", "utc": "2052-06-11T08:16:33Z", "ms": 2601706592775.1514 }, "end": { "local": "2052-06-12T13:27:20+03:00", "utc": "2052-06-12T10:27:20Z", "ms": 2601800840378.7686 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-06-11", "window": { "start": { "local": "2052-06-11T21:13:06+03:00", "utc": "2052-06-11T18:13:06Z", "ms": 2601742385615.0586 }, "end": { "local": "2052-06-11T22:05:28+03:00", "utc": "2052-06-11T19:05:28Z", "ms": 2601745527804.149 } }, "covered_min": 52, "window_min": 52, "qualifies": true }, { "local_date": "2052-06-12", "window": { "start": { "local": "2052-06-12T21:13:50+03:00", "utc": "2052-06-12T18:13:50Z", "ms": 2601828830041.286 }, "end": { "local": "2052-06-12T22:06:04+03:00", "utc": "2052-06-12T19:06:04Z", "ms": 2601831963841.193 } }, "covered_min": 0, "window_min": 52, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:17 on Tue 11 Jun to 13:27 on Wed 12 Jun.", "fact": "2052-06-11T08:16:33Z → 2052-06-12T10:27:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:13–22:05 on the 11th, 21:14–22:06 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 52 of 52 minutes on the 11th and 0 of 52 on the 12th.", "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 27990 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Moscow, 2052: Tuesday 11 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": "2052-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-06-11", "confidence": "determinate" } ], "quote": "In Moscow, Vaṭa Sāvitrī Vrata 2052 falls on Tuesday 11 June. Pūrṇimā runs from 11:17 on Tue 11 Jun to 13:27 on Wed 12 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/sankashta-chaturthi?on=2052-06-15", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-06-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15153, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-06-15T18:09:59+03:00", "utc": "2052-06-15T15:09:59Z", "ms": 2602076999228.5415 }, "end": { "local": "2052-06-16T19:00:15+03:00", "utc": "2052-06-16T16:00:15Z", "ms": 2602166414773.1475 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2052-06-15T18:09:59+03:00", "utc": "2052-06-15T15:09:59Z", "ms": 2602076999228.5415 }, "end": { "local": "2052-06-16T19:00:15+03:00", "utc": "2052-06-16T16:00:15Z", "ms": 2602166414773.1475 } }, "kaala": "moonrise", "days": [ { "local_date": "2052-06-15", "window": { "start": { "local": "2052-06-15T22:44:17+03:00", "utc": "2052-06-15T19:44:17Z", "ms": 2602093457347.162 }, "end": { "local": "2052-06-15T22:44:17+03:00", "utc": "2052-06-15T19:44:17Z", "ms": 2602093457347.162 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-06-16", "window": { "start": { "local": "2052-06-16T23:12:48+03:00", "utc": "2052-06-16T20:12:48Z", "ms": 2602181567635.0376 }, "end": { "local": "2052-06-16T23:12:48+03:00", "utc": "2052-06-16T20:12:48Z", "ms": 2602181567635.0376 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:10 on Sat 15 Jun to 19:00 on Sun 16 Jun.", "fact": "2052-06-15T15:09:59Z → 2052-06-16T16:00:15Z" }, { "step": "kaala", "text": "Moonrise is at 22:44 on the 15th and 23:13 on the 16th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 15th and is not 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 15153 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2052: Saturday 15 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": "2052-06-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-06-15", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2052 falls on Saturday 15 June. Caturthī runs from 18:10 on Sat 15 Jun to 19:00 on Sun 16 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/sankashta-chaturthi?on=2052-06-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/ekadashi?on=2052-06-23", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24567, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-06-22T13:24:21+03:00", "utc": "2052-06-22T10:24:21Z", "ms": 2602664661032.015 }, "end": { "local": "2052-06-23T10:35:29+03:00", "utc": "2052-06-23T07:35:29Z", "ms": 2602740929413.5293 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2052-06-22T13:24:21+03:00", "utc": "2052-06-22T10:24:21Z", "ms": 2602664661032.015 }, "end": { "local": "2052-06-23T10:35:29+03:00", "utc": "2052-06-23T07:35:29Z", "ms": 2602740929413.5293 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-06-22", "window": { "start": { "local": "2052-06-22T03:45:42+03:00", "utc": "2052-06-22T00:45:42Z", "ms": 2602629942437.3447 }, "end": { "local": "2052-06-22T03:45:42+03:00", "utc": "2052-06-22T00:45:42Z", "ms": 2602629942437.3447 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-06-23", "window": { "start": { "local": "2052-06-23T03:46:03+03:00", "utc": "2052-06-23T00:46:03Z", "ms": 2602716362825.798 }, "end": { "local": "2052-06-23T03:46:03+03:00", "utc": "2052-06-23T00:46:03Z", "ms": 2602716362825.798 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:24 on Sat 22 Jun to 10:35 on Sun 23 Jun.", "fact": "2052-06-22T10:24:21Z → 2052-06-23T07:35:29Z" }, { "step": "kaala", "text": "Sunrise is at 03:46 on the 22nd and 03:46 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 22nd and is on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24567 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Moscow, 2052: Sunday 23 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-06-23", "confidence": "determinate" } ], "quote": "In Moscow, Yoginī Ekādaśī 2052 falls on Sunday 23 June. Ekādaśī runs from 13:24 on Sat 22 Jun to 10:35 on Sun 23 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-06-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/pradosha-vrata?on=2052-06-24", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20730, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-06-24T07:23:12+03:00", "utc": "2052-06-24T04:23:12Z", "ms": 2602815791751.668 }, "end": { "local": "2052-06-25T03:55:14+03:00", "utc": "2052-06-25T00:55:14Z", "ms": 2602889714433.4966 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2052-06-24T07:23:12+03:00", "utc": "2052-06-24T04:23:12Z", "ms": 2602815791751.668 }, "end": { "local": "2052-06-25T03:55:14+03:00", "utc": "2052-06-25T00:55:14Z", "ms": 2602889714433.4966 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-06-23", "window": { "start": { "local": "2052-06-23T21:17:53+03:00", "utc": "2052-06-23T18:17:53Z", "ms": 2602779472776.855 }, "end": { "local": "2052-06-23T22:09:41+03:00", "utc": "2052-06-23T19:09:41Z", "ms": 2602782581340.4883 } }, "covered_min": 0, "window_min": 52, "qualifies": false }, { "local_date": "2052-06-24", "window": { "start": { "local": "2052-06-24T21:17:52+03:00", "utc": "2052-06-24T18:17:52Z", "ms": 2602865871620.316 }, "end": { "local": "2052-06-24T22:09:44+03:00", "utc": "2052-06-24T19:09:44Z", "ms": 2602868984061.0005 } }, "covered_min": 52, "window_min": 52, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:23 on Mon 24 Jun to 03:55 on Tue 25 Jun.", "fact": "2052-06-24T04:23:12Z → 2052-06-25T00:55:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:18–22:10 on the 23rd, 21:18–22:10 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 52 minutes on the 23rd and 52 of 52 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20730 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2052: Monday 24 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": "2052-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-06-24", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2052 falls on Monday 24 June. Trayodaśī runs from 07:23 on Mon 24 Jun to 03:55 on Tue 25 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-06-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/shivaratri?on=2052-06-25", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 733, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2052-06-25T03:55:14+03:00", "utc": "2052-06-25T00:55:14Z", "ms": 2602889714433.4966 }, "end": { "local": "2052-06-26T00:20:50+03:00", "utc": "2052-06-25T21:20:50Z", "ms": 2602963249954.908 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2052-06-25T03:55:14+03:00", "utc": "2052-06-25T00:55:14Z", "ms": 2602889714433.4966 }, "end": { "local": "2052-06-26T00:20:50+03:00", "utc": "2052-06-25T21:20:50Z", "ms": 2602963249954.908 } }, "kaala": "nishita", "days": [ { "local_date": "2052-06-24", "window": { "start": { "local": "2052-06-25T00:08:23+03:00", "utc": "2052-06-24T21:08:23Z", "ms": 2602876103272.884 }, "end": { "local": "2052-06-25T00:56:23+03:00", "utc": "2052-06-24T21:56:23Z", "ms": 2602878983272.884 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-06-25", "window": { "start": { "local": "2052-06-26T00:08:37+03:00", "utc": "2052-06-25T21:08:37Z", "ms": 2602962516530.8975 }, "end": { "local": "2052-06-26T00:56:37+03:00", "utc": "2052-06-25T21:56:37Z", "ms": 2602965396530.8975 } }, "covered_min": 12, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:55 on Tue 25 Jun to 00:21 on Wed 26 Jun.", "fact": "2052-06-25T00:55:14Z → 2052-06-25T21:20:50Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:08–00:56 on the 24th, 00:09–00:57 on the 25th.", "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 24th and 12 of 48 on the 25th.", "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 733 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2052: Tuesday 25 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": "2052-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-06-25", "confidence": "boundary" } ], "quote": "In Moscow, Śivarātri 2052 falls on Tuesday 25 June. Caturdaśī runs from 03:55 on Tue 25 Jun to 00:21 on Wed 26 Jun and covers 12 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2052/shivaratri?on=2052-06-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6355, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2052-06-27T17:33:57+03:00", "utc": "2052-06-27T14:33:57Z", "ms": 2603111636561.2017 }, "end": { "local": "2052-06-28T14:42:49+03:00", "utc": "2052-06-28T11:42:49Z", "ms": 2603187768990.416 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2052-06-27T17:33:57+03:00", "utc": "2052-06-27T14:33:57Z", "ms": 2603111636561.2017 }, "end": { "local": "2052-06-28T14:42:49+03:00", "utc": "2052-06-28T11:42:49Z", "ms": 2603187768990.416 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-06-27", "window": { "start": { "local": "2052-06-27T12:08:43+03:00", "utc": "2052-06-27T09:08:43Z", "ms": 2603092123152.0986 }, "end": { "local": "2052-06-27T12:56:43+03:00", "utc": "2052-06-27T09:56:43Z", "ms": 2603095003152.0986 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-06-28", "window": { "start": { "local": "2052-06-28T12:08:54+03:00", "utc": "2052-06-28T09:08:54Z", "ms": 2603178534111.763 }, "end": { "local": "2052-06-28T12:56:54+03:00", "utc": "2052-06-28T09:56:54Z", "ms": 2603181414111.763 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 17:34 on Thu 27 Jun to 14:43 on Fri 28 Jun.", "fact": "2052-06-27T14:33:57Z → 2052-06-28T11:42:49Z" }, { "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": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 6355 s" }, { "step": "ruling", "text": "Rathayātrā, Moscow, 2052: Friday 28 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": "2052-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-06-28", "confidence": "determinate" } ], "quote": "In Moscow, Rathayātrā 2052 falls on Friday 28 June. Dvitīyā runs from 17:34 on Thu 27 Jun to 14:43 on Fri 28 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/vinayaka-chaturthi?on=2052-06-29", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-06-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1059, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-06-29T12:26:44+03:00", "utc": "2052-06-29T09:26:44Z", "ms": 2603266003563.0415 }, "end": { "local": "2052-06-30T10:54:02+03:00", "utc": "2052-06-30T07:54:02Z", "ms": 2603346842332.358 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2052-06-29T12:26:44+03:00", "utc": "2052-06-29T09:26:44Z", "ms": 2603266003563.0415 }, "end": { "local": "2052-06-30T10:54:02+03:00", "utc": "2052-06-30T07:54:02Z", "ms": 2603346842332.358 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-06-29", "window": { "start": { "local": "2052-06-29T12:09:05+03:00", "utc": "2052-06-29T09:09:05Z", "ms": 2603264944867.5674 }, "end": { "local": "2052-06-29T12:57:05+03:00", "utc": "2052-06-29T09:57:05Z", "ms": 2603267824867.5674 } }, "covered_min": 30, "window_min": 48, "qualifies": true }, { "local_date": "2052-06-30", "window": { "start": { "local": "2052-06-30T12:09:15+03:00", "utc": "2052-06-30T09:09:15Z", "ms": 2603351355395.2104 }, "end": { "local": "2052-06-30T12:57:15+03:00", "utc": "2052-06-30T09:57:15Z", "ms": 2603354235395.2104 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:27 on Sat 29 Jun to 10:54 on Sun 30 Jun.", "fact": "2052-06-29T09:26:44Z → 2052-06-30T07:54:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 29th, 12:09–12:57 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 30 of 48 minutes on the 29th and 0 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 1059 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2052: Saturday 29 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": "2052-06-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-06-29", "confidence": "boundary" } ], "quote": "In Moscow, Vināyaka Caturthī 2052 falls on Saturday 29 June. Caturthī runs from 12:27 on Sat 29 Jun to 10:54 on Sun 30 Jun and covers 30 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/vinayaka-chaturthi?on=2052-06-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-06-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4513, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2052-06-30T10:54:02+03:00", "utc": "2052-06-30T07:54:02Z", "ms": 2603346842332.358 }, "end": { "local": "2052-07-01T10:10:32+03:00", "utc": "2052-07-01T07:10:32Z", "ms": 2603430631684.5938 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2052-06-30T10:54:02+03:00", "utc": "2052-06-30T07:54:02Z", "ms": 2603346842332.358 }, "end": { "local": "2052-07-01T10:10:32+03:00", "utc": "2052-07-01T07:10:32Z", "ms": 2603430631684.5938 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-06-30", "window": { "start": { "local": "2052-06-30T12:09:15+03:00", "utc": "2052-06-30T09:09:15Z", "ms": 2603351355395.2104 }, "end": { "local": "2052-06-30T12:57:15+03:00", "utc": "2052-06-30T09:57:15Z", "ms": 2603354235395.2104 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-07-01", "window": { "start": { "local": "2052-07-01T12:09:26+03:00", "utc": "2052-07-01T09:09:26Z", "ms": 2603437765671.996 }, "end": { "local": "2052-07-01T12:57:26+03:00", "utc": "2052-07-01T09:57:26Z", "ms": 2603440645671.996 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:54 on Sun 30 Jun to 10:11 on Mon 1 Jul.", "fact": "2052-06-30T07:54:02Z → 2052-07-01T07:10:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 30th, 12:09–12:57 on the 1st.", "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 30th 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 4513 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Moscow, 2052: Sunday 30 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": "2052-06-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-06-30", "confidence": "determinate" } ], "quote": "In Moscow, Skanda Pañcamī 2052 falls on Sunday 30 June. Pañcamī runs from 10:54 on Sun 30 Jun to 10:11 on Mon 1 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3289, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2052-07-02T10:18:18+03:00", "utc": "2052-07-02T07:18:18Z", "ms": 2603517497922.434 }, "end": { "local": "2052-07-03T11:14:57+03:00", "utc": "2052-07-03T08:14:57Z", "ms": 2603607296625.49 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2052-07-02T10:18:18+03:00", "utc": "2052-07-02T07:18:18Z", "ms": 2603517497922.434 }, "end": { "local": "2052-07-03T11:14:57+03:00", "utc": "2052-07-03T08:14:57Z", "ms": 2603607296625.49 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-07-02", "window": { "start": { "local": "2052-07-02T12:09:36+03:00", "utc": "2052-07-02T09:09:36Z", "ms": 2603524175676.7266 }, "end": { "local": "2052-07-02T12:57:36+03:00", "utc": "2052-07-02T09:57:36Z", "ms": 2603527055676.7266 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-07-03", "window": { "start": { "local": "2052-07-03T12:09:45+03:00", "utc": "2052-07-03T09:09:45Z", "ms": 2603610585389.502 }, "end": { "local": "2052-07-03T12:57:45+03:00", "utc": "2052-07-03T09:57:45Z", "ms": 2603613465389.502 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:18 on Tue 2 Jul to 11:15 on Wed 3 Jul.", "fact": "2052-07-02T07:18:18Z → 2052-07-03T08:14:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 2nd, 12:10–12:58 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 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 3289 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Moscow, 2052: Tuesday 2 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": "2052-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-07-02", "confidence": "determinate" } ], "quote": "In Moscow, Vivasvat Saptamī 2052 falls on Tuesday 2 July. Saptamī runs from 10:18 on Tue 2 Jul to 11:15 on Wed 3 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ekadashi?on=2052-07-07", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28820, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-07-06T17:28:19+03:00", "utc": "2052-07-06T14:28:19Z", "ms": 2603888898896.9727 }, "end": { "local": "2052-07-07T19:57:49+03:00", "utc": "2052-07-07T16:57:49Z", "ms": 2603984268554.2925 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2052-07-06T17:28:19+03:00", "utc": "2052-07-06T14:28:19Z", "ms": 2603888898896.9727 }, "end": { "local": "2052-07-07T19:57:49+03:00", "utc": "2052-07-07T16:57:49Z", "ms": 2603984268554.2925 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-07-07", "window": { "start": { "local": "2052-07-07T03:56:59+03:00", "utc": "2052-07-07T00:56:59Z", "ms": 2603926618568.3 }, "end": { "local": "2052-07-07T03:56:59+03:00", "utc": "2052-07-07T00:56:59Z", "ms": 2603926618568.3 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-07-08", "window": { "start": { "local": "2052-07-08T03:58:09+03:00", "utc": "2052-07-08T00:58:09Z", "ms": 2604013088951.165 }, "end": { "local": "2052-07-08T03:58:09+03:00", "utc": "2052-07-08T00:58:09Z", "ms": 2604013088951.165 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:28 on Sat 6 Jul to 19:58 on Sun 7 Jul.", "fact": "2052-07-06T14:28:19Z → 2052-07-07T16:57:49Z" }, { "step": "kaala", "text": "Sunrise is at 03:57 on the 7th and 03:58 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28820 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Moscow, 2052: Sunday 7 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": "2052-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-07-07", "confidence": "determinate" } ], "quote": "In Moscow, Hariśayanī Ekādaśī 2052 falls on Sunday 7 July. Ekādaśī runs from 17:28 on Sat 6 Jul to 19:58 on Sun 7 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-07-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/pradosha-vrata?on=2052-07-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 823, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-07-08T22:19:00+03:00", "utc": "2052-07-08T19:19:00Z", "ms": 2604079140451.819 }, "end": { "local": "2052-07-10T00:23:18+03:00", "utc": "2052-07-09T21:23:18Z", "ms": 2604172997803.9624 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2052-07-08T22:19:00+03:00", "utc": "2052-07-08T19:19:00Z", "ms": 2604079140451.819 }, "end": { "local": "2052-07-10T00:23:18+03:00", "utc": "2052-07-09T21:23:18Z", "ms": 2604172997803.9624 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-07-08", "window": { "start": { "local": "2052-07-08T21:10:49+03:00", "utc": "2052-07-08T18:10:49Z", "ms": 2604075048949.6797 }, "end": { "local": "2052-07-08T22:05:17+03:00", "utc": "2052-07-08T19:05:17Z", "ms": 2604078317360.0073 } }, "covered_min": 0, "window_min": 54, "qualifies": false }, { "local_date": "2052-07-09", "window": { "start": { "local": "2052-07-09T21:09:51+03:00", "utc": "2052-07-09T18:09:51Z", "ms": 2604161391072.6924 }, "end": { "local": "2052-07-09T22:04:37+03:00", "utc": "2052-07-09T19:04:37Z", "ms": 2604164677290.44 } }, "covered_min": 55, "window_min": 55, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:19 on Mon 8 Jul to 00:23 on Wed 10 Jul.", "fact": "2052-07-08T19:19:00Z → 2052-07-09T21:23:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:11–22:05 on the 8th, 21:10–22:05 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 54 minutes on the 8th and 55 of 55 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 823 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2052: Tuesday 9 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": "2052-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-07-09", "confidence": "boundary" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2052 falls on Tuesday 9 July. Trayodaśī runs from 22:19 on Mon 8 Jul to 00:23 on Wed 10 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-07-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2395, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2052-07-11T02:05:30+03:00", "utc": "2052-07-10T23:05:30Z", "ms": 2604265529687.6724 }, "end": { "local": "2052-07-12T03:23:21+03:00", "utc": "2052-07-12T00:23:21Z", "ms": 2604356601414.462 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2052-07-11T02:05:30+03:00", "utc": "2052-07-10T23:05:30Z", "ms": 2604265529687.6724 }, "end": { "local": "2052-07-12T03:23:21+03:00", "utc": "2052-07-12T00:23:21Z", "ms": 2604356601414.462 } }, "kaala": "udaya-3", "days": [ { "local_date": "2052-07-11", "window": { "start": { "local": "2052-07-11T04:01:56+03:00", "utc": "2052-07-11T01:01:56Z", "ms": 2604272515896.389 }, "end": { "local": "2052-07-11T07:27:06+03:00", "utc": "2052-07-11T04:27:06Z", "ms": 2604284825747.222 } }, "covered_min": 205, "window_min": 205, "qualifies": true }, { "local_date": "2052-07-12", "window": { "start": { "local": "2052-07-12T04:03:17+03:00", "utc": "2052-07-12T01:03:17Z", "ms": 2604358996508.116 }, "end": { "local": "2052-07-12T07:27:57+03:00", "utc": "2052-07-12T04:27:57Z", "ms": 2604371276654.15 } }, "covered_min": 0, "window_min": 205, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:05 on Thu 11 Jul to 03:23 on Fri 12 Jul.", "fact": "2052-07-10T23:05:30Z → 2052-07-12T00:23:21Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 04:02–07:27 on the 11th, 04:03–07:28 on the 12th.", "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 205 of 205 minutes on the 11th and 0 of 205 on the 12th.", "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 2395 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Moscow, 2052: Thursday 11 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": "2052-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-07-11", "confidence": "determinate" } ], "quote": "In Moscow, Vyāsa Pūjā 2052 falls on Thursday 11 July. Pūrṇimā runs from 02:05 on Thu 11 Jul to 03:23 on Fri 12 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31655, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2052-07-11T02:05:30+03:00", "utc": "2052-07-10T23:05:30Z", "ms": 2604265529687.6724 }, "end": { "local": "2052-07-12T03:23:21+03:00", "utc": "2052-07-12T00:23:21Z", "ms": 2604356601414.462 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2052-07-11T02:05:30+03:00", "utc": "2052-07-10T23:05:30Z", "ms": 2604265529687.6724 }, "end": { "local": "2052-07-12T03:23:21+03:00", "utc": "2052-07-12T00:23:21Z", "ms": 2604356601414.462 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-07-11", "window": { "start": { "local": "2052-07-11T12:10:51+03:00", "utc": "2052-07-11T09:10:51Z", "ms": 2604301850523.471 }, "end": { "local": "2052-07-11T12:58:51+03:00", "utc": "2052-07-11T09:58:51Z", "ms": 2604304730523.471 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-07-12", "window": { "start": { "local": "2052-07-12T12:10:57+03:00", "utc": "2052-07-12T09:10:57Z", "ms": 2604388256873.2007 }, "end": { "local": "2052-07-12T12:58:57+03:00", "utc": "2052-07-12T09:58:57Z", "ms": 2604391136873.2007 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:05 on Thu 11 Jul to 03:23 on Fri 12 Jul.", "fact": "2052-07-10T23:05:30Z → 2052-07-12T00:23:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 11th, 12:11–12:59 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā 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 31655 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Moscow, 2052: Thursday 11 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": "2052-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-07-11", "confidence": "determinate" } ], "quote": "In Moscow, Guru Pūrṇimā 2052 falls on Thursday 11 July. Pūrṇimā runs from 02:05 on Thu 11 Jul to 03:23 on Fri 12 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17800, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2052-07-11T02:05:30+03:00", "utc": "2052-07-10T23:05:30Z", "ms": 2604265529687.6724 }, "end": { "local": "2052-07-12T03:23:21+03:00", "utc": "2052-07-12T00:23:21Z", "ms": 2604356601414.462 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2052-07-11T02:05:30+03:00", "utc": "2052-07-10T23:05:30Z", "ms": 2604265529687.6724 }, "end": { "local": "2052-07-12T03:23:21+03:00", "utc": "2052-07-12T00:23:21Z", "ms": 2604356601414.462 } }, "kaala": "sayahna", "days": [ { "local_date": "2052-07-10", "window": { "start": { "local": "2052-07-10T17:43:11+03:00", "utc": "2052-07-10T14:43:11Z", "ms": 2604235391368.724 }, "end": { "local": "2052-07-10T21:08:50+03:00", "utc": "2052-07-10T18:08:50Z", "ms": 2604247729784.455 } }, "covered_min": 0, "window_min": 206, "qualifies": false }, { "local_date": "2052-07-11", "window": { "start": { "local": "2052-07-11T17:42:35+03:00", "utc": "2052-07-11T14:42:35Z", "ms": 2604321755299.72 }, "end": { "local": "2052-07-11T21:07:45+03:00", "utc": "2052-07-11T18:07:45Z", "ms": 2604334065150.553 } }, "covered_min": 205, "window_min": 205, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:05 on Thu 11 Jul to 03:23 on Fri 12 Jul.", "fact": "2052-07-10T23:05:30Z → 2052-07-12T00:23:21Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:43–21:09 on the 10th, 17:43–21:08 on the 11th.", "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 206 minutes on the 10th and 205 of 205 on the 11th.", "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 17800 s" }, { "step": "ruling", "text": "Kokilā Vrata, Moscow, 2052: Thursday 11 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": "2052-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-07-11", "confidence": "determinate" } ], "quote": "In Moscow, Kokilā Vrata 2052 falls on Thursday 11 July. Pūrṇimā runs from 02:05 on Thu 11 Jul to 03:23 on Fri 12 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14495, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2052-07-11T02:05:30+03:00", "utc": "2052-07-10T23:05:30Z", "ms": 2604265529687.6724 }, "end": { "local": "2052-07-12T03:23:21+03:00", "utc": "2052-07-12T00:23:21Z", "ms": 2604356601414.462 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2052-07-11T02:05:30+03:00", "utc": "2052-07-10T23:05:30Z", "ms": 2604265529687.6724 }, "end": { "local": "2052-07-12T03:23:21+03:00", "utc": "2052-07-12T00:23:21Z", "ms": 2604356601414.462 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-07-10", "window": { "start": { "local": "2052-07-10T21:08:50+03:00", "utc": "2052-07-10T18:08:50Z", "ms": 2604247729784.455 }, "end": { "local": "2052-07-10T22:03:55+03:00", "utc": "2052-07-10T19:03:55Z", "ms": 2604251034599.3794 } }, "covered_min": 0, "window_min": 55, "qualifies": false }, { "local_date": "2052-07-11", "window": { "start": { "local": "2052-07-11T21:07:45+03:00", "utc": "2052-07-11T18:07:45Z", "ms": 2604334065150.553 }, "end": { "local": "2052-07-11T22:03:09+03:00", "utc": "2052-07-11T19:03:09Z", "ms": 2604337389331.5615 } }, "covered_min": 55, "window_min": 55, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:05 on Thu 11 Jul to 03:23 on Fri 12 Jul.", "fact": "2052-07-10T23:05:30Z → 2052-07-12T00:23:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:09–22:04 on the 10th, 21:08–22:03 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 0 of 55 minutes on the 10th and 55 of 55 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: unstated → only-day · margin 14495 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Moscow, 2052: Thursday 11 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": "2052-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-07-11", "confidence": "determinate" } ], "quote": "In Moscow, Śiva Śayanotsava 2052 falls on Thursday 11 July. Pūrṇimā runs from 02:05 on Thu 11 Jul to 03:23 on Fri 12 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26893, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2052-07-13T04:16:39+03:00", "utc": "2052-07-13T01:16:39Z", "ms": 2604446198868.2773 }, "end": { "local": "2052-07-14T04:46:07+03:00", "utc": "2052-07-14T01:46:07Z", "ms": 2604534367323.72 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2052-07-13T04:16:39+03:00", "utc": "2052-07-13T01:16:39Z", "ms": 2604446198868.2773 }, "end": { "local": "2052-07-14T04:46:07+03:00", "utc": "2052-07-14T01:46:07Z", "ms": 2604534367323.72 } }, "kaala": "moonrise", "days": [ { "local_date": "2052-07-12", "window": { "start": { "local": "2052-07-12T20:47:21+03:00", "utc": "2052-07-12T17:47:21Z", "ms": 2604419240571.7544 }, "end": { "local": "2052-07-12T20:47:21+03:00", "utc": "2052-07-12T17:47:21Z", "ms": 2604419240571.7544 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-07-13", "window": { "start": { "local": "2052-07-13T21:17:54+03:00", "utc": "2052-07-13T18:17:54Z", "ms": 2604507474000.4937 }, "end": { "local": "2052-07-13T21:17:54+03:00", "utc": "2052-07-13T18:17:54Z", "ms": 2604507474000.4937 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 04:17 on Sat 13 Jul to 04:46 on Sun 14 Jul.", "fact": "2052-07-13T01:16:39Z → 2052-07-14T01:46:07Z" }, { "step": "kaala", "text": "Moonrise is at 20:47 on the 12th and 21:18 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 12th and is on the 13th.", "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 26893 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Moscow, 2052: Saturday 13 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": "2052-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-07-13", "confidence": "determinate" } ], "quote": "In Moscow, Aśūnya Śayana Vrata (Āṣāḍha) 2052 falls on Saturday 13 July. Dvitīyā runs from 04:17 on Sat 13 Jul to 04:46 on Sun 14 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/sankashta-chaturthi?on=2052-07-15", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23291, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-07-15T04:52:39+03:00", "utc": "2052-07-15T01:52:39Z", "ms": 2604621159496.5347 }, "end": { "local": "2052-07-16T04:36:42+03:00", "utc": "2052-07-16T01:36:42Z", "ms": 2604706601660.2393 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2052-07-15T04:52:39+03:00", "utc": "2052-07-15T01:52:39Z", "ms": 2604621159496.5347 }, "end": { "local": "2052-07-16T04:36:42+03:00", "utc": "2052-07-16T01:36:42Z", "ms": 2604706601660.2393 } }, "kaala": "moonrise", "days": [ { "local_date": "2052-07-14", "window": { "start": { "local": "2052-07-14T21:44:30+03:00", "utc": "2052-07-14T18:44:30Z", "ms": 2604595470270.3584 }, "end": { "local": "2052-07-14T21:44:30+03:00", "utc": "2052-07-14T18:44:30Z", "ms": 2604595470270.3584 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-07-15", "window": { "start": { "local": "2052-07-15T22:08:30+03:00", "utc": "2052-07-15T19:08:30Z", "ms": 2604683310379.207 }, "end": { "local": "2052-07-15T22:08:30+03:00", "utc": "2052-07-15T19:08:30Z", "ms": 2604683310379.207 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:53 on Mon 15 Jul to 04:37 on Tue 16 Jul.", "fact": "2052-07-15T01:52:39Z → 2052-07-16T01:36:42Z" }, { "step": "kaala", "text": "Moonrise is at 21:45 on the 14th and 22:09 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 14th and is 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 23291 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2052: Monday 15 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": "2052-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-07-15", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2052 falls on Monday 15 July. Caturthī runs from 04:53 on Mon 15 Jul to 04:37 on Tue 16 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/sankashta-chaturthi?on=2052-07-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/ekadashi?on=2052-07-22", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-07-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33921, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-07-21T18:53:15+03:00", "utc": "2052-07-21T15:53:15Z", "ms": 2605189994819.8496 }, "end": { "local": "2052-07-22T16:03:59+03:00", "utc": "2052-07-22T13:03:59Z", "ms": 2605266239485.634 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2052-07-21T18:53:15+03:00", "utc": "2052-07-21T15:53:15Z", "ms": 2605189994819.8496 }, "end": { "local": "2052-07-22T16:03:59+03:00", "utc": "2052-07-22T13:03:59Z", "ms": 2605266239485.634 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-07-22", "window": { "start": { "local": "2052-07-22T04:18:36+03:00", "utc": "2052-07-22T01:18:36Z", "ms": 2605223916093.464 }, "end": { "local": "2052-07-22T04:18:36+03:00", "utc": "2052-07-22T01:18:36Z", "ms": 2605223916093.464 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-07-23", "window": { "start": { "local": "2052-07-23T04:20:17+03:00", "utc": "2052-07-23T01:20:17Z", "ms": 2605310417443.331 }, "end": { "local": "2052-07-23T04:20:17+03:00", "utc": "2052-07-23T01:20:17Z", "ms": 2605310417443.331 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:53 on Sun 21 Jul to 16:04 on Mon 22 Jul.", "fact": "2052-07-21T15:53:15Z → 2052-07-22T13:03:59Z" }, { "step": "kaala", "text": "Sunrise is at 04:19 on the 22nd and 04:20 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33921 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Moscow, 2052: Monday 22 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": "2052-07-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-07-22", "confidence": "determinate" } ], "quote": "In Moscow, Kāmikā Ekādaśī 2052 falls on Monday 22 July. Ekādaśī runs from 18:53 on Sun 21 Jul to 16:04 on Mon 22 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-07-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/pradosha-vrata?on=2052-07-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27950, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-07-23T13:05:04+03:00", "utc": "2052-07-23T10:05:04Z", "ms": 2605341903531.5327 }, "end": { "local": "2052-07-24T10:04:03+03:00", "utc": "2052-07-24T07:04:03Z", "ms": 2605417443221.7046 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2052-07-23T13:05:04+03:00", "utc": "2052-07-23T10:05:04Z", "ms": 2605341903531.5327 }, "end": { "local": "2052-07-24T10:04:03+03:00", "utc": "2052-07-24T07:04:03Z", "ms": 2605417443221.7046 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-07-23", "window": { "start": { "local": "2052-07-23T20:50:54+03:00", "utc": "2052-07-23T17:50:54Z", "ms": 2605369853956.4634 }, "end": { "local": "2052-07-23T21:51:03+03:00", "utc": "2052-07-23T18:51:03Z", "ms": 2605373462781.42 } }, "covered_min": 60, "window_min": 60, "qualifies": true }, { "local_date": "2052-07-24", "window": { "start": { "local": "2052-07-24T20:49:12+03:00", "utc": "2052-07-24T17:49:12Z", "ms": 2605456152212.0396 }, "end": { "local": "2052-07-24T21:49:48+03:00", "utc": "2052-07-24T18:49:48Z", "ms": 2605459788464.6055 } }, "covered_min": 0, "window_min": 61, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:05 on Tue 23 Jul to 10:04 on Wed 24 Jul.", "fact": "2052-07-23T10:05:04Z → 2052-07-24T07:04:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:51–21:51 on the 23rd, 20:49–21:50 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 60 of 60 minutes on the 23rd and 0 of 61 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27950 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2052: Tuesday 23 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": "2052-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-07-23", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2052 falls on Tuesday 23 July. Trayodaśī runs from 13:05 on Tue 23 Jul to 10:04 on Wed 24 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-07-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/shivaratri?on=2052-07-24", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22151, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2052-07-24T10:04:03+03:00", "utc": "2052-07-24T07:04:03Z", "ms": 2605417443221.7046 }, "end": { "local": "2052-07-25T07:09:40+03:00", "utc": "2052-07-25T04:09:40Z", "ms": 2605493379619.5625 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2052-07-24T10:04:03+03:00", "utc": "2052-07-24T07:04:03Z", "ms": 2605417443221.7046 }, "end": { "local": "2052-07-25T07:09:40+03:00", "utc": "2052-07-25T04:09:40Z", "ms": 2605493379619.5625 } }, "kaala": "nishita", "days": [ { "local_date": "2052-07-23", "window": { "start": { "local": "2052-07-24T00:12:27+03:00", "utc": "2052-07-23T21:12:27Z", "ms": 2605381947050.0503 }, "end": { "local": "2052-07-24T01:00:27+03:00", "utc": "2052-07-23T22:00:27Z", "ms": 2605384827050.0503 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-07-24", "window": { "start": { "local": "2052-07-25T00:12:28+03:00", "utc": "2052-07-24T21:12:28Z", "ms": 2605468348159.162 }, "end": { "local": "2052-07-25T01:00:28+03:00", "utc": "2052-07-24T22:00:28Z", "ms": 2605471228159.162 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:04 on Wed 24 Jul to 07:10 on Thu 25 Jul.", "fact": "2052-07-24T07:04:03Z → 2052-07-25T04:09:40Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:12–01:00 on the 23rd, 00:12–01:00 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 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22151 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2052: Wednesday 24 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": "2052-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-07-24", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2052 falls on Wednesday 24 July. Caturdaśī runs from 10:04 on Wed 24 Jul to 07:10 on Thu 25 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2052/shivaratri?on=2052-07-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-07-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38459, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2052-07-28T00:38:41+03:00", "utc": "2052-07-27T21:38:41Z", "ms": 2605729120723.7124 }, "end": { "local": "2052-07-28T23:40:32+03:00", "utc": "2052-07-28T20:40:32Z", "ms": 2605812031922.169 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2052-07-28T00:38:41+03:00", "utc": "2052-07-27T21:38:41Z", "ms": 2605729120723.7124 }, "end": { "local": "2052-07-28T23:40:32+03:00", "utc": "2052-07-28T20:40:32Z", "ms": 2605812031922.169 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-07-27", "window": { "start": { "local": "2052-07-27T12:11:34+03:00", "utc": "2052-07-27T09:11:34Z", "ms": 2605684294257.0996 }, "end": { "local": "2052-07-27T12:59:34+03:00", "utc": "2052-07-27T09:59:34Z", "ms": 2605687174257.0996 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-07-28", "window": { "start": { "local": "2052-07-28T12:11:32+03:00", "utc": "2052-07-28T09:11:32Z", "ms": 2605770692465.673 }, "end": { "local": "2052-07-28T12:59:32+03:00", "utc": "2052-07-28T09:59:32Z", "ms": 2605773572465.673 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:39 on Sun 28 Jul to 23:41 on Sun 28 Jul.", "fact": "2052-07-27T21:38:41Z → 2052-07-28T20:40:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 27th, 12:12–13:00 on the 28th.", "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 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: paraviddha → only-day · margin 38459 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Moscow, 2052: Sunday 28 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": "2052-07-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-07-28", "confidence": "determinate" } ], "quote": "In Moscow, Madhusravā Tṛtīyā (Hariyali Teej) 2052 falls on Sunday 28 July. Tṛtīyā runs from 00:39 on Sun 28 Jul to 23:41 on Sun 28 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/vinayaka-chaturthi?on=2052-07-29", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37719, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-07-28T23:40:32+03:00", "utc": "2052-07-28T20:40:32Z", "ms": 2605812031922.169 }, "end": { "local": "2052-07-29T23:28:09+03:00", "utc": "2052-07-29T20:28:09Z", "ms": 2605897688978.293 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2052-07-28T23:40:32+03:00", "utc": "2052-07-28T20:40:32Z", "ms": 2605812031922.169 }, "end": { "local": "2052-07-29T23:28:09+03:00", "utc": "2052-07-29T20:28:09Z", "ms": 2605897688978.293 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-07-28", "window": { "start": { "local": "2052-07-28T12:11:32+03:00", "utc": "2052-07-28T09:11:32Z", "ms": 2605770692465.673 }, "end": { "local": "2052-07-28T12:59:32+03:00", "utc": "2052-07-28T09:59:32Z", "ms": 2605773572465.673 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-07-29", "window": { "start": { "local": "2052-07-29T12:11:30+03:00", "utc": "2052-07-29T09:11:30Z", "ms": 2605857090085.6577 }, "end": { "local": "2052-07-29T12:59:30+03:00", "utc": "2052-07-29T09:59:30Z", "ms": 2605859970085.6577 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:41 on Sun 28 Jul to 23:28 on Mon 29 Jul.", "fact": "2052-07-28T20:40:32Z → 2052-07-29T20:28:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 28th, 12:12–13:00 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 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37719 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2052: Monday 29 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": "2052-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-07-29", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2052 falls on Monday 29 July. Caturthī runs from 23:41 on Sun 28 Jul to 23:28 on Mon 29 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/vinayaka-chaturthi?on=2052-07-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-07-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37719, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2052-07-29T23:28:09+03:00", "utc": "2052-07-29T20:28:09Z", "ms": 2605897688978.293 }, "end": { "local": "2052-07-31T00:02:35+03:00", "utc": "2052-07-30T21:02:35Z", "ms": 2605986154697.166 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2052-07-29T23:28:09+03:00", "utc": "2052-07-29T20:28:09Z", "ms": 2605897688978.293 }, "end": { "local": "2052-07-31T00:02:35+03:00", "utc": "2052-07-30T21:02:35Z", "ms": 2605986154697.166 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-07-29", "window": { "start": { "local": "2052-07-29T12:11:30+03:00", "utc": "2052-07-29T09:11:30Z", "ms": 2605857090085.6577 }, "end": { "local": "2052-07-29T12:59:30+03:00", "utc": "2052-07-29T09:59:30Z", "ms": 2605859970085.6577 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-07-30", "window": { "start": { "local": "2052-07-30T12:11:27+03:00", "utc": "2052-07-30T09:11:27Z", "ms": 2605943487111.8003 }, "end": { "local": "2052-07-30T12:59:27+03:00", "utc": "2052-07-30T09:59:27Z", "ms": 2605946367111.8003 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:28 on Mon 29 Jul to 00:03 on Wed 31 Jul.", "fact": "2052-07-29T20:28:09Z → 2052-07-30T21:02:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 29th, 12:11–12:59 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 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: paraviddha → only-day · margin 37719 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Moscow, 2052: Tuesday 30 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": "2052-07-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-07-30", "confidence": "determinate" } ], "quote": "In Moscow, Nāga Pañcamī 2052 falls on Tuesday 30 July. Pañcamī runs from 23:28 on Mon 29 Jul to 00:03 on Wed 31 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ekadashi?on=2052-08-06", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20043, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-08-05T10:17:52+03:00", "utc": "2052-08-05T07:17:52Z", "ms": 2606455072284.426 }, "end": { "local": "2052-08-06T12:22:06+03:00", "utc": "2052-08-06T09:22:06Z", "ms": 2606548925750.0635 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2052-08-05T10:17:52+03:00", "utc": "2052-08-05T07:17:52Z", "ms": 2606455072284.426 }, "end": { "local": "2052-08-06T12:22:06+03:00", "utc": "2052-08-06T09:22:06Z", "ms": 2606548925750.0635 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-08-05", "window": { "start": { "local": "2052-08-05T04:43:49+03:00", "utc": "2052-08-05T01:43:49Z", "ms": 2606435028838.8755 }, "end": { "local": "2052-08-05T04:43:49+03:00", "utc": "2052-08-05T01:43:49Z", "ms": 2606435028838.8755 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-08-06", "window": { "start": { "local": "2052-08-06T04:45:42+03:00", "utc": "2052-08-06T01:45:42Z", "ms": 2606521542214.372 }, "end": { "local": "2052-08-06T04:45:42+03:00", "utc": "2052-08-06T01:45:42Z", "ms": 2606521542214.372 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:18 on Mon 5 Aug to 12:22 on Tue 6 Aug.", "fact": "2052-08-05T07:17:52Z → 2052-08-06T09:22:06Z" }, { "step": "kaala", "text": "Sunrise is at 04:44 on the 5th and 04:46 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20043 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Moscow, 2052: Tuesday 6 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": "2052-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-06", "confidence": "determinate" } ], "quote": "In Moscow, Putradā Ekādaśī 2052 falls on Tuesday 6 August. Ekādaśī runs from 10:18 on Mon 5 Aug to 12:22 on Tue 6 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-08-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 676, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2052-08-06T12:22:06+03:00", "utc": "2052-08-06T09:22:06Z", "ms": 2606548925750.0635 }, "end": { "local": "2052-08-07T14:00:45+03:00", "utc": "2052-08-07T11:00:45Z", "ms": 2606641244674.015 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2052-08-06T12:22:06+03:00", "utc": "2052-08-06T09:22:06Z", "ms": 2606548925750.0635 }, "end": { "local": "2052-08-07T14:00:45+03:00", "utc": "2052-08-07T11:00:45Z", "ms": 2606641244674.015 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-08-06", "window": { "start": { "local": "2052-08-06T12:10:50+03:00", "utc": "2052-08-06T09:10:50Z", "ms": 2606548249547.7344 }, "end": { "local": "2052-08-06T12:58:50+03:00", "utc": "2052-08-06T09:58:50Z", "ms": 2606551129547.7344 } }, "covered_min": 37, "window_min": 48, "qualifies": true }, { "local_date": "2052-08-07", "window": { "start": { "local": "2052-08-07T12:10:42+03:00", "utc": "2052-08-07T09:10:42Z", "ms": 2606634641811.3438 }, "end": { "local": "2052-08-07T12:58:42+03:00", "utc": "2052-08-07T09:58:42Z", "ms": 2606637521811.3438 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 12:22 on Tue 6 Aug to 14:01 on Wed 7 Aug.", "fact": "2052-08-06T09:22:06Z → 2052-08-07T11:00:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 6th, 12:11–12:59 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 37 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 676 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Moscow, 2052: Tuesday 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": "2052-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-06", "confidence": "determinate" } ], "quote": "In Moscow, Dāmodara Dvādaśī 2052 falls on Tuesday 6 August. Dvādaśī runs from 12:22 on Tue 6 Aug to 14:01 on Wed 7 Aug and covers 37 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/moscow/festivals/2052/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": "/moscow/festivals/2052/pradosha-vrata?on=2052-08-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18630, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-08-07T14:00:45+03:00", "utc": "2052-08-07T11:00:45Z", "ms": 2606641244674.015 }, "end": { "local": "2052-08-08T15:09:07+03:00", "utc": "2052-08-08T12:09:07Z", "ms": 2606731746916.9185 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2052-08-07T14:00:45+03:00", "utc": "2052-08-07T11:00:45Z", "ms": 2606641244674.015 }, "end": { "local": "2052-08-08T15:09:07+03:00", "utc": "2052-08-08T12:09:07Z", "ms": 2606731746916.9185 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-08-07", "window": { "start": { "local": "2052-08-07T20:21:48+03:00", "utc": "2052-08-07T17:21:48Z", "ms": 2606664107623.8154 }, "end": { "local": "2052-08-07T21:29:29+03:00", "utc": "2052-08-07T18:29:29Z", "ms": 2606668169293.971 } }, "covered_min": 68, "window_min": 68, "qualifies": true }, { "local_date": "2052-08-08", "window": { "start": { "local": "2052-08-08T20:19:37+03:00", "utc": "2052-08-08T17:19:37Z", "ms": 2606750376843.887 }, "end": { "local": "2052-08-08T21:27:51+03:00", "utc": "2052-08-08T18:27:51Z", "ms": 2606754471215.193 } }, "covered_min": 0, "window_min": 68, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:01 on Wed 7 Aug to 15:09 on Thu 8 Aug.", "fact": "2052-08-07T11:00:45Z → 2052-08-08T12:09:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:22–21:29 on the 7th, 20:20–21:28 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 68 of 68 minutes on the 7th and 0 of 68 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 18630 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2052: Wednesday 7 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": "2052-08-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-07", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2052 falls on Wednesday 7 August. Trayodaśī runs from 14:01 on Wed 7 Aug to 15:09 on Thu 8 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-08-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-10", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 3625, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2052-08-09T15:45:58+03:00", "utc": "2052-08-09T12:45:58Z", "ms": 2606820357777.767 }, "end": { "local": "2052-08-10T15:52:36+03:00", "utc": "2052-08-10T12:52:36Z", "ms": 2606907155956.0537 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2052-08-10T03:52:54+03:00", "utc": "2052-08-10T00:52:54Z", "ms": 2606863974240.544 }, "end": { "local": "2052-08-10T15:52:36+03:00", "utc": "2052-08-10T12:52:36Z", "ms": 2606907155956.0537 } }, "kaala": "day", "days": [ { "local_date": "2052-08-09", "window": { "start": { "local": "2052-08-09T04:51:25+03:00", "utc": "2052-08-09T01:51:25Z", "ms": 2606781084628.6797 }, "end": { "local": "2052-08-10T04:53:19+03:00", "utc": "2052-08-10T01:53:19Z", "ms": 2606867599399.305 } }, "covered_min": 60, "window_min": 1442, "qualifies": true }, { "local_date": "2052-08-10", "window": { "start": { "local": "2052-08-10T04:53:19+03:00", "utc": "2052-08-10T01:53:19Z", "ms": 2606867599399.305 }, "end": { "local": "2052-08-11T04:55:14+03:00", "utc": "2052-08-11T01:55:14Z", "ms": 2606954114429.5293 } }, "covered_min": 659, "window_min": 1442, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:46 on Fri 9 Aug to 15:53 on Sat 10 Aug. Its second half begins at 03:53 on Sat 10 Aug.", "fact": "2052-08-09T12:45:58Z → 2052-08-10T12:52:36Z · second half from 2052-08-10T00:52:54Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 04:51 on the 9th, and from 04:53 on the 10th.", "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 60 of 1442 minutes on the 9th and 659 of 1442 on the 10th.", "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 3625 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Moscow, 2052: Saturday 10 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": "2052-08-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-10", "confidence": "boundary" } ], "quote": "In Moscow, Rakṣā Bandhana (Rakhi) 2052 falls on Saturday 10 August. The second half of Pūrṇimā runs from 03:53 on Sat 10 Aug to 15:53 on Sat 10 Aug and falls on two days: 659 minutes of it on the 10th, 60 on the 9th; 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/moscow/festivals/2052/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": "/moscow/festivals/2052/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10053, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2052-08-09T15:45:58+03:00", "utc": "2052-08-09T12:45:58Z", "ms": 2606820357777.767 }, "end": { "local": "2052-08-10T15:52:36+03:00", "utc": "2052-08-10T12:52:36Z", "ms": 2606907155956.0537 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2052-08-09T15:45:58+03:00", "utc": "2052-08-09T12:45:58Z", "ms": 2606820357777.767 }, "end": { "local": "2052-08-10T15:52:36+03:00", "utc": "2052-08-10T12:52:36Z", "ms": 2606907155956.0537 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-08-09", "window": { "start": { "local": "2052-08-09T12:10:25+03:00", "utc": "2052-08-09T09:10:25Z", "ms": 2606807424612.219 }, "end": { "local": "2052-08-09T12:58:25+03:00", "utc": "2052-08-09T09:58:25Z", "ms": 2606810304612.219 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-08-10", "window": { "start": { "local": "2052-08-10T12:10:15+03:00", "utc": "2052-08-10T09:10:15Z", "ms": 2606893815166.0244 }, "end": { "local": "2052-08-10T12:58:15+03:00", "utc": "2052-08-10T09:58:15Z", "ms": 2606896695166.0244 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:46 on Fri 9 Aug to 15:53 on Sat 10 Aug.", "fact": "2052-08-09T12:45:58Z → 2052-08-10T12:52:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 9th, 12:10–12:58 on the 10th.", "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 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10053 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Moscow, 2052: Saturday 10 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": "2052-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-10", "confidence": "determinate" } ], "quote": "In Moscow, Ṛṣi Tarpaṇa 2052 falls on Saturday 10 August. Pūrṇimā runs from 15:46 on Fri 9 Aug to 15:53 on Sat 10 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16912, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2052-08-11T15:31:52+03:00", "utc": "2052-08-11T12:31:52Z", "ms": 2606992312231.0024 }, "end": { "local": "2052-08-12T14:47:15+03:00", "utc": "2052-08-12T11:47:15Z", "ms": 2607076034912.922 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-08-11T15:31:52+03:00", "utc": "2052-08-11T12:31:52Z", "ms": 2606992312231.0024 }, "end": { "local": "2052-08-12T14:47:15+03:00", "utc": "2052-08-12T11:47:15Z", "ms": 2607076034912.922 } }, "kaala": "moonrise", "days": [ { "local_date": "2052-08-11", "window": { "start": { "local": "2052-08-11T20:13:44+03:00", "utc": "2052-08-11T17:13:44Z", "ms": 2607009224032.2173 }, "end": { "local": "2052-08-11T20:13:44+03:00", "utc": "2052-08-11T17:13:44Z", "ms": 2607009224032.2173 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-08-12", "window": { "start": { "local": "2052-08-12T20:37:27+03:00", "utc": "2052-08-12T17:37:27Z", "ms": 2607097047237.5938 }, "end": { "local": "2052-08-12T20:37:27+03:00", "utc": "2052-08-12T17:37:27Z", "ms": 2607097047237.5938 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 15:32 on Sun 11 Aug to 14:47 on Mon 12 Aug.", "fact": "2052-08-11T12:31:52Z → 2052-08-12T11:47:15Z" }, { "step": "kaala", "text": "Moonrise is at 20:14 on the 11th and 20:37 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 11th and is not 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: paraviddha → only-day · margin 16912 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Moscow, 2052: Sunday 11 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": "2052-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-11", "confidence": "determinate" } ], "quote": "In Moscow, Aśūnya Śayana Vrata 2052 falls on Sunday 11 August. Dvitīyā runs from 15:32 on Sun 11 Aug to 14:47 on Mon 12 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2666, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2052-08-12T14:47:15+03:00", "utc": "2052-08-12T11:47:15Z", "ms": 2607076034912.922 }, "end": { "local": "2052-08-13T13:42:09+03:00", "utc": "2052-08-13T10:42:09Z", "ms": 2607158529239.4116 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-08-12T14:47:15+03:00", "utc": "2052-08-12T11:47:15Z", "ms": 2607076034912.922 }, "end": { "local": "2052-08-13T13:42:09+03:00", "utc": "2052-08-13T10:42:09Z", "ms": 2607158529239.4116 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-08-12", "window": { "start": { "local": "2052-08-12T12:09:55+03:00", "utc": "2052-08-12T09:09:55Z", "ms": 2607066594629.7812 }, "end": { "local": "2052-08-12T12:57:55+03:00", "utc": "2052-08-12T09:57:55Z", "ms": 2607069474629.7812 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-08-13", "window": { "start": { "local": "2052-08-13T12:09:44+03:00", "utc": "2052-08-13T09:09:44Z", "ms": 2607152983562.2954 }, "end": { "local": "2052-08-13T12:57:44+03:00", "utc": "2052-08-13T09:57:44Z", "ms": 2607155863562.2954 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:47 on Mon 12 Aug to 13:42 on Tue 13 Aug.", "fact": "2052-08-12T11:47:15Z → 2052-08-13T10:42:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 12th, 12:10–12:58 on the 13th.", "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 12th and 48 of 48 on the 13th.", "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 2666 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Moscow, 2052: Tuesday 13 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": "2052-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-13", "confidence": "determinate" } ], "quote": "In Moscow, Kajjalī Tṛtīyā (Kajari Teej) 2052 falls on Tuesday 13 August. Tṛtīyā runs from 14:47 on Mon 12 Aug to 13:42 on Tue 13 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12261, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-08-13T13:42:09+03:00", "utc": "2052-08-13T10:42:09Z", "ms": 2607158529239.4116 }, "end": { "local": "2052-08-14T12:19:33+03:00", "utc": "2052-08-14T09:19:33Z", "ms": 2607239973257.795 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-08-13T13:42:09+03:00", "utc": "2052-08-13T10:42:09Z", "ms": 2607158529239.4116 }, "end": { "local": "2052-08-14T12:19:33+03:00", "utc": "2052-08-14T09:19:33Z", "ms": 2607239973257.795 } }, "kaala": "sayahna", "days": [ { "local_date": "2052-08-13", "window": { "start": { "local": "2052-08-13T17:06:31+03:00", "utc": "2052-08-13T14:06:31Z", "ms": 2607170790606.834 }, "end": { "local": "2052-08-13T20:08:22+03:00", "utc": "2052-08-13T17:08:22Z", "ms": 2607181701969.86 } }, "covered_min": 182, "window_min": 182, "qualifies": true }, { "local_date": "2052-08-14", "window": { "start": { "local": "2052-08-14T17:05:03+03:00", "utc": "2052-08-14T14:05:03Z", "ms": 2607257102685.4443 }, "end": { "local": "2052-08-14T20:06:03+03:00", "utc": "2052-08-14T17:06:03Z", "ms": 2607267963157.0303 } }, "covered_min": 0, "window_min": 181, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:42 on Tue 13 Aug to 12:20 on Wed 14 Aug.", "fact": "2052-08-13T10:42:09Z → 2052-08-14T09:19:33Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:07–20:08 on the 13th, 17:05–20:06 on the 14th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 182 of 182 minutes on the 13th and 0 of 181 on the 14th.", "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 12261 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Moscow, 2052: Tuesday 13 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": "2052-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-13", "confidence": "determinate" } ], "quote": "In Moscow, Bahulā Caturthī 2052 falls on Tuesday 13 August. Caturthī runs from 13:42 on Tue 13 Aug to 12:20 on Wed 14 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/sankashta-chaturthi?on=2052-08-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26308, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-08-13T13:42:09+03:00", "utc": "2052-08-13T10:42:09Z", "ms": 2607158529239.4116 }, "end": { "local": "2052-08-14T12:19:33+03:00", "utc": "2052-08-14T09:19:33Z", "ms": 2607239973257.795 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-08-13T13:42:09+03:00", "utc": "2052-08-13T10:42:09Z", "ms": 2607158529239.4116 }, "end": { "local": "2052-08-14T12:19:33+03:00", "utc": "2052-08-14T09:19:33Z", "ms": 2607239973257.795 } }, "kaala": "moonrise", "days": [ { "local_date": "2052-08-13", "window": { "start": { "local": "2052-08-13T21:00:37+03:00", "utc": "2052-08-13T18:00:37Z", "ms": 2607184836831.0615 }, "end": { "local": "2052-08-13T21:00:37+03:00", "utc": "2052-08-13T18:00:37Z", "ms": 2607184836831.0615 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-08-14", "window": { "start": { "local": "2052-08-14T21:24:31+03:00", "utc": "2052-08-14T18:24:31Z", "ms": 2607272670739.0273 }, "end": { "local": "2052-08-14T21:24:31+03:00", "utc": "2052-08-14T18:24:31Z", "ms": 2607272670739.0273 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:42 on Tue 13 Aug to 12:20 on Wed 14 Aug.", "fact": "2052-08-13T10:42:09Z → 2052-08-14T09:19:33Z" }, { "step": "kaala", "text": "Moonrise is at 21:01 on the 13th and 21:25 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26308 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2052: Tuesday 13 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": "2052-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-13", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2052 falls on Tuesday 13 August. Caturthī runs from 13:42 on Tue 13 Aug to 12:20 on Wed 14 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/sankashta-chaturthi?on=2052-08-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5250, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2052-08-15T10:41:50+03:00", "utc": "2052-08-15T07:41:50Z", "ms": 2607320510044.862 }, "end": { "local": "2052-08-16T08:50:54+03:00", "utc": "2052-08-16T05:50:54Z", "ms": 2607400254262.8887 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-08-15T10:41:50+03:00", "utc": "2052-08-15T07:41:50Z", "ms": 2607320510044.862 }, "end": { "local": "2052-08-16T08:50:54+03:00", "utc": "2052-08-16T05:50:54Z", "ms": 2607400254262.8887 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-08-15", "window": { "start": { "local": "2052-08-15T12:09:20+03:00", "utc": "2052-08-15T09:09:20Z", "ms": 2607325759889.665 }, "end": { "local": "2052-08-15T12:57:20+03:00", "utc": "2052-08-15T09:57:20Z", "ms": 2607328639889.665 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-08-16", "window": { "start": { "local": "2052-08-16T12:09:07+03:00", "utc": "2052-08-16T09:09:07Z", "ms": 2607412147309.666 }, "end": { "local": "2052-08-16T12:57:07+03:00", "utc": "2052-08-16T09:57:07Z", "ms": 2607415027309.666 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:42 on Thu 15 Aug to 08:51 on Fri 16 Aug.", "fact": "2052-08-15T07:41:50Z → 2052-08-16T05:50:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 15th, 12:09–12:57 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5250 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Moscow, 2052: Thursday 15 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": "2052-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-15", "confidence": "determinate" } ], "quote": "In Moscow, Hala Ṣaṣṭhī 2052 falls on Thursday 15 August. Ṣaṣṭhī runs from 10:42 on Thu 15 Aug to 08:51 on Fri 16 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11893, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2052-08-16T08:50:54+03:00", "utc": "2052-08-16T05:50:54Z", "ms": 2607400254262.8887 }, "end": { "local": "2052-08-17T06:48:29+03:00", "utc": "2052-08-17T03:48:29Z", "ms": 2607479309358.2666 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-08-16T08:50:54+03:00", "utc": "2052-08-16T05:50:54Z", "ms": 2607400254262.8887 }, "end": { "local": "2052-08-17T06:48:29+03:00", "utc": "2052-08-17T03:48:29Z", "ms": 2607479309358.2666 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-08-16", "window": { "start": { "local": "2052-08-16T12:09:07+03:00", "utc": "2052-08-16T09:09:07Z", "ms": 2607412147309.666 }, "end": { "local": "2052-08-16T12:57:07+03:00", "utc": "2052-08-16T09:57:07Z", "ms": 2607415027309.666 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-08-17", "window": { "start": { "local": "2052-08-17T12:08:54+03:00", "utc": "2052-08-17T09:08:54Z", "ms": 2607498534250.338 }, "end": { "local": "2052-08-17T12:56:54+03:00", "utc": "2052-08-17T09:56:54Z", "ms": 2607501414250.338 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 08:51 on Fri 16 Aug to 06:48 on Sat 17 Aug.", "fact": "2052-08-16T05:50:54Z → 2052-08-17T03:48:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 16th, 12:09–12:57 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11893 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Moscow, 2052: Friday 16 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": "2052-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-16", "confidence": "determinate" } ], "quote": "In Moscow, Śītalā Saptamī 2052 falls on Friday 16 August. Saptamī runs from 08:51 on Fri 16 Aug to 06:48 on Sat 17 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13118, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2052-08-17T06:48:29+03:00", "utc": "2052-08-17T03:48:29Z", "ms": 2607479309358.2666 }, "end": { "local": "2052-08-18T04:36:30+03:00", "utc": "2052-08-18T01:36:30Z", "ms": 2607557790283.5083 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-08-17T06:48:29+03:00", "utc": "2052-08-17T03:48:29Z", "ms": 2607479309358.2666 }, "end": { "local": "2052-08-18T04:36:30+03:00", "utc": "2052-08-18T01:36:30Z", "ms": 2607557790283.5083 } }, "kaala": "nishita", "days": [ { "local_date": "2052-08-16", "window": { "start": { "local": "2052-08-17T00:10:05+03:00", "utc": "2052-08-16T21:10:05Z", "ms": 2607455405335.7275 }, "end": { "local": "2052-08-17T00:58:05+03:00", "utc": "2052-08-16T21:58:05Z", "ms": 2607458285335.7275 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-08-17", "window": { "start": { "local": "2052-08-18T00:09:52+03:00", "utc": "2052-08-17T21:09:52Z", "ms": 2607541792323.326 }, "end": { "local": "2052-08-18T00:57:52+03:00", "utc": "2052-08-17T21:57:52Z", "ms": 2607544672323.326 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:48 on Sat 17 Aug to 04:37 on Sun 18 Aug.", "fact": "2052-08-17T03:48:29Z → 2052-08-18T01:36:30Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:10–00:58 on the 16th, 00:10–00:58 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13118 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Moscow, 2052: Saturday 17 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": "2052-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-17", "confidence": "determinate" } ], "quote": "In Moscow, Janmāṣṭamī 2052 falls on Saturday 17 August. Aṣṭamī runs from 06:48 on Sat 17 Aug to 04:37 on Sun 18 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ekadashi?on=2052-08-20", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19080, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-08-19T23:54:37+03:00", "utc": "2052-08-19T20:54:37Z", "ms": 2607713677144.7065 }, "end": { "local": "2052-08-20T21:32:25+03:00", "utc": "2052-08-20T18:32:25Z", "ms": 2607791544527.739 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-08-19T23:54:37+03:00", "utc": "2052-08-19T20:54:37Z", "ms": 2607713677144.7065 }, "end": { "local": "2052-08-20T21:32:25+03:00", "utc": "2052-08-20T18:32:25Z", "ms": 2607791544527.739 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-08-20", "window": { "start": { "local": "2052-08-20T05:12:37+03:00", "utc": "2052-08-20T02:12:37Z", "ms": 2607732757226.0513 }, "end": { "local": "2052-08-20T05:12:37+03:00", "utc": "2052-08-20T02:12:37Z", "ms": 2607732757226.0513 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-08-21", "window": { "start": { "local": "2052-08-21T05:14:34+03:00", "utc": "2052-08-21T02:14:34Z", "ms": 2607819273528.45 }, "end": { "local": "2052-08-21T05:14:34+03:00", "utc": "2052-08-21T02:14:34Z", "ms": 2607819273528.45 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:55 on Mon 19 Aug to 21:32 on Tue 20 Aug.", "fact": "2052-08-19T20:54:37Z → 2052-08-20T18:32:25Z" }, { "step": "kaala", "text": "Sunrise is at 05:13 on the 20th and 05:15 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19080 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Moscow, 2052: Tuesday 20 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": "2052-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-20", "confidence": "determinate" } ], "quote": "In Moscow, Ajā Ekādaśī 2052 falls on Tuesday 20 August. Ekādaśī runs from 23:55 on Mon 19 Aug to 21:32 on Tue 20 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-08-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/pradosha-vrata?on=2052-08-21", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1992, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-08-21T19:16:09+03:00", "utc": "2052-08-21T16:16:09Z", "ms": 2607869769083.532 }, "end": { "local": "2052-08-22T17:12:02+03:00", "utc": "2052-08-22T14:12:02Z", "ms": 2607948721623.9473 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-08-21T19:16:09+03:00", "utc": "2052-08-21T16:16:09Z", "ms": 2607869769083.532 }, "end": { "local": "2052-08-22T17:12:02+03:00", "utc": "2052-08-22T14:12:02Z", "ms": 2607948721623.9473 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-08-21", "window": { "start": { "local": "2052-08-21T19:49:21+03:00", "utc": "2052-08-21T16:49:21Z", "ms": 2607871761357.2183 }, "end": { "local": "2052-08-21T21:04:58+03:00", "utc": "2052-08-21T18:04:58Z", "ms": 2607876298488.5845 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "2052-08-22", "window": { "start": { "local": "2052-08-22T19:46:54+03:00", "utc": "2052-08-22T16:46:54Z", "ms": 2607958014452.9663 }, "end": { "local": "2052-08-22T21:03:07+03:00", "utc": "2052-08-22T18:03:07Z", "ms": 2607962586679.164 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:16 on Wed 21 Aug to 17:12 on Thu 22 Aug.", "fact": "2052-08-21T16:16:09Z → 2052-08-22T14:12:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:49–21:05 on the 21st, 19:47–21:03 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 76 of 76 minutes on the 21st and 0 of 76 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 1992 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2052: Wednesday 21 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": "2052-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-21", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2052 falls on Wednesday 21 August. Trayodaśī runs from 19:16 on Wed 21 Aug to 17:12 on Thu 22 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-08-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9293, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2052-08-22T17:12:02+03:00", "utc": "2052-08-22T14:12:02Z", "ms": 2607948721623.9473 }, "end": { "local": "2052-08-23T15:26:44+03:00", "utc": "2052-08-23T12:26:44Z", "ms": 2608028804087.2363 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-08-22T17:12:02+03:00", "utc": "2052-08-22T14:12:02Z", "ms": 2607948721623.9473 }, "end": { "local": "2052-08-23T15:26:44+03:00", "utc": "2052-08-23T12:26:44Z", "ms": 2608028804087.2363 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-08-22", "window": { "start": { "local": "2052-08-22T19:46:54+03:00", "utc": "2052-08-22T16:46:54Z", "ms": 2607958014452.9663 }, "end": { "local": "2052-08-22T21:03:07+03:00", "utc": "2052-08-22T18:03:07Z", "ms": 2607962586679.164 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "2052-08-23", "window": { "start": { "local": "2052-08-23T19:44:27+03:00", "utc": "2052-08-23T16:44:27Z", "ms": 2608044266716.8184 }, "end": { "local": "2052-08-23T21:01:14+03:00", "utc": "2052-08-23T18:01:14Z", "ms": 2608048874145.5596 } }, "covered_min": 0, "window_min": 77, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:12 on Thu 22 Aug to 15:27 on Fri 23 Aug.", "fact": "2052-08-22T14:12:02Z → 2052-08-23T12:26:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:47–21:03 on the 22nd, 19:44–21:01 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 76 of 76 minutes on the 22nd and 0 of 77 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9293 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Moscow, 2052: Thursday 22 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": "2052-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-22", "confidence": "determinate" } ], "quote": "In Moscow, Aghora Caturdaśī 2052 falls on Thursday 22 August. Caturdaśī runs from 17:12 on Thu 22 Aug to 15:27 on Fri 23 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/shivaratri?on=2052-08-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24999, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2052-08-22T17:12:02+03:00", "utc": "2052-08-22T14:12:02Z", "ms": 2607948721623.9473 }, "end": { "local": "2052-08-23T15:26:44+03:00", "utc": "2052-08-23T12:26:44Z", "ms": 2608028804087.2363 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-08-22T17:12:02+03:00", "utc": "2052-08-22T14:12:02Z", "ms": 2607948721623.9473 }, "end": { "local": "2052-08-23T15:26:44+03:00", "utc": "2052-08-23T12:26:44Z", "ms": 2608028804087.2363 } }, "kaala": "nishita", "days": [ { "local_date": "2052-08-22", "window": { "start": { "local": "2052-08-23T00:08:40+03:00", "utc": "2052-08-22T21:08:40Z", "ms": 2607973720301.207 }, "end": { "local": "2052-08-23T00:56:40+03:00", "utc": "2052-08-22T21:56:40Z", "ms": 2607976600301.207 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-08-23", "window": { "start": { "local": "2052-08-24T00:08:25+03:00", "utc": "2052-08-23T21:08:25Z", "ms": 2608060104574.5977 }, "end": { "local": "2052-08-24T00:56:25+03:00", "utc": "2052-08-23T21:56:25Z", "ms": 2608062984574.5977 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:12 on Thu 22 Aug to 15:27 on Fri 23 Aug.", "fact": "2052-08-22T14:12:02Z → 2052-08-23T12:26:44Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 22nd, 00:08–00:56 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 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24999 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2052: Thursday 22 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": "2052-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-22", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2052 falls on Thursday 22 August. Caturdaśī runs from 17:12 on Thu 22 Aug to 15:27 on Fri 23 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2052/shivaratri?on=2052-08-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1455, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2052-08-24T14:07:02+03:00", "utc": "2052-08-24T11:07:02Z", "ms": 2608110422088.319 }, "end": { "local": "2052-08-25T13:19:08+03:00", "utc": "2052-08-25T10:19:08Z", "ms": 2608193948422.1714 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-08-24T14:07:02+03:00", "utc": "2052-08-24T11:07:02Z", "ms": 2608110422088.319 }, "end": { "local": "2052-08-25T13:19:08+03:00", "utc": "2052-08-25T10:19:08Z", "ms": 2608193948422.1714 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-08-24", "window": { "start": { "local": "2052-08-24T12:07:10+03:00", "utc": "2052-08-24T09:07:10Z", "ms": 2608103230307.869 }, "end": { "local": "2052-08-24T12:55:10+03:00", "utc": "2052-08-24T09:55:10Z", "ms": 2608106110307.869 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-08-25", "window": { "start": { "local": "2052-08-25T12:06:54+03:00", "utc": "2052-08-25T09:06:54Z", "ms": 2608189613781.195 }, "end": { "local": "2052-08-25T12:54:54+03:00", "utc": "2052-08-25T09:54:54Z", "ms": 2608192493781.195 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 14:07 on Sat 24 Aug to 13:19 on Sun 25 Aug.", "fact": "2052-08-24T11:07:02Z → 2052-08-25T10:19:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 24th, 12:07–12:55 on the 25th.", "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 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1455 s" }, { "step": "ruling", "text": "Rudra Vrata, Moscow, 2052: Sunday 25 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": "2052-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-25", "confidence": "determinate" } ], "quote": "In Moscow, Rudra Vrata 2052 falls on Sunday 25 August. Pratipadā runs from 14:07 on Sat 24 Aug to 13:19 on Sun 25 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 800, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2052-08-26T13:07:57+03:00", "utc": "2052-08-26T10:07:57Z", "ms": 2608279677306.78 }, "end": { "local": "2052-08-27T13:36:11+03:00", "utc": "2052-08-27T10:36:11Z", "ms": 2608367771118.9487 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-08-26T13:07:57+03:00", "utc": "2052-08-26T10:07:57Z", "ms": 2608279677306.78 }, "end": { "local": "2052-08-27T13:36:11+03:00", "utc": "2052-08-27T10:36:11Z", "ms": 2608367771118.9487 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-08-26", "window": { "start": { "local": "2052-08-26T12:06:37+03:00", "utc": "2052-08-26T09:06:37Z", "ms": 2608275996863.155 }, "end": { "local": "2052-08-26T12:54:37+03:00", "utc": "2052-08-26T09:54:37Z", "ms": 2608278876863.155 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-08-27", "window": { "start": { "local": "2052-08-27T12:06:20+03:00", "utc": "2052-08-27T09:06:20Z", "ms": 2608362379564.74 }, "end": { "local": "2052-08-27T12:54:20+03:00", "utc": "2052-08-27T09:54:20Z", "ms": 2608365259564.74 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:08 on Mon 26 Aug to 13:36 on Tue 27 Aug.", "fact": "2052-08-26T10:07:57Z → 2052-08-27T10:36:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 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": "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 800 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Moscow, 2052: Tuesday 27 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": "2052-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-27", "confidence": "determinate" } ], "quote": "In Moscow, Haritālikā Vrata (Hartalika Teej) 2052 falls on Tuesday 27 August. Tṛtīyā runs from 13:08 on Mon 26 Aug to 13:36 on Tue 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2512, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-08-27T13:36:11+03:00", "utc": "2052-08-27T10:36:11Z", "ms": 2608367771118.9487 }, "end": { "local": "2052-08-28T14:43:26+03:00", "utc": "2052-08-28T11:43:26Z", "ms": 2608458205859.24 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-08-27T13:36:11+03:00", "utc": "2052-08-27T10:36:11Z", "ms": 2608367771118.9487 }, "end": { "local": "2052-08-28T14:43:26+03:00", "utc": "2052-08-28T11:43:26Z", "ms": 2608458205859.24 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-08-27", "window": { "start": { "local": "2052-08-27T12:06:20+03:00", "utc": "2052-08-27T09:06:20Z", "ms": 2608362379564.74 }, "end": { "local": "2052-08-27T12:54:20+03:00", "utc": "2052-08-27T09:54:20Z", "ms": 2608365259564.74 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-08-28", "window": { "start": { "local": "2052-08-28T12:06:02+03:00", "utc": "2052-08-28T09:06:02Z", "ms": 2608448761897.957 }, "end": { "local": "2052-08-28T12:54:02+03:00", "utc": "2052-08-28T09:54:02Z", "ms": 2608451641897.957 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:36 on Tue 27 Aug to 14:43 on Wed 28 Aug.", "fact": "2052-08-27T10:36:11Z → 2052-08-28T11:43:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 27th, 12:06–12:54 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2512 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Moscow, 2052: Wednesday 28 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": "2052-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-27", "confidence": "determinate" } ], "quote": "In Moscow, Gaṇeśa Caturthī 2052 falls on Wednesday 28 August. Caturthī runs from 13:36 on Tue 27 Aug to 14:43 on Wed 28 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6564, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2052-08-28T14:43:26+03:00", "utc": "2052-08-28T11:43:26Z", "ms": 2608458205859.24 }, "end": { "local": "2052-08-29T16:25:28+03:00", "utc": "2052-08-29T13:25:28Z", "ms": 2608550728109.679 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-08-28T14:43:26+03:00", "utc": "2052-08-28T11:43:26Z", "ms": 2608458205859.24 }, "end": { "local": "2052-08-29T16:25:28+03:00", "utc": "2052-08-29T13:25:28Z", "ms": 2608550728109.679 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-08-28", "window": { "start": { "local": "2052-08-28T12:06:02+03:00", "utc": "2052-08-28T09:06:02Z", "ms": 2608448761897.957 }, "end": { "local": "2052-08-28T12:54:02+03:00", "utc": "2052-08-28T09:54:02Z", "ms": 2608451641897.957 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-08-29", "window": { "start": { "local": "2052-08-29T12:05:44+03:00", "utc": "2052-08-29T09:05:44Z", "ms": 2608535143875.8223 }, "end": { "local": "2052-08-29T12:53:44+03:00", "utc": "2052-08-29T09:53:44Z", "ms": 2608538023875.8223 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 14:43 on Wed 28 Aug to 16:25 on Thu 29 Aug.", "fact": "2052-08-28T11:43:26Z → 2052-08-29T13:25:28Z" }, { "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": "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: disputed → only-day · margin 6564 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Moscow, 2052: Thursday 29 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": "2052-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-29", "confidence": "determinate" } ], "quote": "In Moscow, Ṛṣi Pañcamī 2052 falls on Thursday 29 August. Pañcamī runs from 14:43 on Wed 28 Aug to 16:25 on Thu 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12704, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2052-08-29T16:25:28+03:00", "utc": "2052-08-29T13:25:28Z", "ms": 2608550728109.679 }, "end": { "local": "2052-08-30T18:34:02+03:00", "utc": "2052-08-30T15:34:02Z", "ms": 2608644841814.387 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-08-29T16:25:28+03:00", "utc": "2052-08-29T13:25:28Z", "ms": 2608550728109.679 }, "end": { "local": "2052-08-30T18:34:02+03:00", "utc": "2052-08-30T15:34:02Z", "ms": 2608644841814.387 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-08-29", "window": { "start": { "local": "2052-08-29T12:05:44+03:00", "utc": "2052-08-29T09:05:44Z", "ms": 2608535143875.8223 }, "end": { "local": "2052-08-29T12:53:44+03:00", "utc": "2052-08-29T09:53:44Z", "ms": 2608538023875.8223 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-08-30", "window": { "start": { "local": "2052-08-30T12:05:26+03:00", "utc": "2052-08-30T09:05:26Z", "ms": 2608621525512.3086 }, "end": { "local": "2052-08-30T12:53:26+03:00", "utc": "2052-08-30T09:53:26Z", "ms": 2608624405512.3086 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:25 on Thu 29 Aug to 18:34 on Fri 30 Aug.", "fact": "2052-08-29T13:25:28Z → 2052-08-30T15:34:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 29th, 12:05–12:53 on the 30th.", "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 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: paraviddha → only-day · margin 12704 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Moscow, 2052: Friday 30 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": "2052-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-30", "confidence": "determinate" } ], "quote": "In Moscow, Sūrya Ṣaṣṭhī (Bhādrapada) 2052 falls on Friday 30 August. Ṣaṣṭhī runs from 16:25 on Thu 29 Aug to 18:34 on Fri 30 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20436, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2052-08-30T18:34:02+03:00", "utc": "2052-08-30T15:34:02Z", "ms": 2608644841814.387 }, "end": { "local": "2052-08-31T20:57:22+03:00", "utc": "2052-08-31T17:57:22Z", "ms": 2608739842121.135 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-08-30T18:34:02+03:00", "utc": "2052-08-30T15:34:02Z", "ms": 2608644841814.387 }, "end": { "local": "2052-08-31T20:57:22+03:00", "utc": "2052-08-31T17:57:22Z", "ms": 2608739842121.135 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-08-30", "window": { "start": { "local": "2052-08-30T12:05:26+03:00", "utc": "2052-08-30T09:05:26Z", "ms": 2608621525512.3086 }, "end": { "local": "2052-08-30T12:53:26+03:00", "utc": "2052-08-30T09:53:26Z", "ms": 2608624405512.3086 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-08-31", "window": { "start": { "local": "2052-08-31T12:05:07+03:00", "utc": "2052-08-31T09:05:07Z", "ms": 2608707906822.2803 }, "end": { "local": "2052-08-31T12:53:07+03:00", "utc": "2052-08-31T09:53:07Z", "ms": 2608710786822.2803 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 18:34 on Fri 30 Aug to 20:57 on Sat 31 Aug.", "fact": "2052-08-30T15:34:02Z → 2052-08-31T17:57:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 30th, 12:05–12:53 on the 31st.", "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 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: purvaviddha → only-day · margin 20436 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Moscow, 2052: Saturday 31 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": "2052-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-08-31", "confidence": "determinate" } ], "quote": "In Moscow, Muktābharaṇa Vrata 2052 falls on Saturday 31 August. Saptamī runs from 18:34 on Fri 30 Aug to 20:57 on Sat 31 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29055, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2052-08-31T20:57:22+03:00", "utc": "2052-08-31T17:57:22Z", "ms": 2608739842121.135 }, "end": { "local": "2052-09-01T23:21:41+03:00", "utc": "2052-09-01T20:21:41Z", "ms": 2608834900916.5586 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-08-31T20:57:22+03:00", "utc": "2052-08-31T17:57:22Z", "ms": 2608739842121.135 }, "end": { "local": "2052-09-01T23:21:41+03:00", "utc": "2052-09-01T20:21:41Z", "ms": 2608834900916.5586 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-08-31", "window": { "start": { "local": "2052-08-31T12:05:07+03:00", "utc": "2052-08-31T09:05:07Z", "ms": 2608707906822.2803 }, "end": { "local": "2052-08-31T12:53:07+03:00", "utc": "2052-08-31T09:53:07Z", "ms": 2608710786822.2803 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-09-01", "window": { "start": { "local": "2052-09-01T12:04:48+03:00", "utc": "2052-09-01T09:04:48Z", "ms": 2608794287821.43 }, "end": { "local": "2052-09-01T12:52:48+03:00", "utc": "2052-09-01T09:52:48Z", "ms": 2608797167821.43 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 20:57 on Sat 31 Aug to 23:22 on Sun 1 Sep.", "fact": "2052-08-31T17:57:22Z → 2052-09-01T20:21:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 31st, 12:05–12:53 on the 1st.", "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 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29055 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Moscow, 2052: Sunday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-09-01", "confidence": "determinate" } ], "quote": "In Moscow, Rādhāṣṭamī 2052 falls on Sunday 1 September. Aṣṭamī runs from 20:57 on Sat 31 Aug to 23:22 on Sun 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ekadashi?on=2052-09-04", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4218, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-09-04T03:19:48+03:00", "utc": "2052-09-04T00:19:48Z", "ms": 2609021988166.8784 }, "end": { "local": "2052-09-05T04:33:15+03:00", "utc": "2052-09-05T01:33:15Z", "ms": 2609112794931.1567 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-09-04T03:19:48+03:00", "utc": "2052-09-04T00:19:48Z", "ms": 2609021988166.8784 }, "end": { "local": "2052-09-05T04:33:15+03:00", "utc": "2052-09-05T01:33:15Z", "ms": 2609112794931.1567 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-09-04", "window": { "start": { "local": "2052-09-04T05:41:37+03:00", "utc": "2052-09-04T02:41:37Z", "ms": 2609030497148.1562 }, "end": { "local": "2052-09-04T05:41:37+03:00", "utc": "2052-09-04T02:41:37Z", "ms": 2609030497148.1562 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-09-05", "window": { "start": { "local": "2052-09-05T05:43:33+03:00", "utc": "2052-09-05T02:43:33Z", "ms": 2609117012558.6543 }, "end": { "local": "2052-09-05T05:43:33+03:00", "utc": "2052-09-05T02:43:33Z", "ms": 2609117012558.6543 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:20 on Wed 4 Sep to 04:33 on Thu 5 Sep.", "fact": "2052-09-04T00:19:48Z → 2052-09-05T01:33:15Z" }, { "step": "kaala", "text": "Sunrise is at 05:42 on the 4th and 05:44 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4218 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Moscow, 2052: Wednesday 4 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": "2052-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-09-04", "confidence": "determinate" } ], "quote": "In Moscow, Parivartanī Ekādaśī 2052 falls on Wednesday 4 September. Ekādaśī runs from 03:20 on Wed 4 Sep to 04:33 on Thu 5 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-09-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24852, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2052-09-05T04:33:15+03:00", "utc": "2052-09-05T01:33:15Z", "ms": 2609112794931.1567 }, "end": { "local": "2052-09-06T05:08:57+03:00", "utc": "2052-09-06T02:08:57Z", "ms": 2609201336799.2007 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-09-05T04:33:15+03:00", "utc": "2052-09-05T01:33:15Z", "ms": 2609112794931.1567 }, "end": { "local": "2052-09-06T05:08:57+03:00", "utc": "2052-09-06T02:08:57Z", "ms": 2609201336799.2007 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-09-05", "window": { "start": { "local": "2052-09-05T12:03:29+03:00", "utc": "2052-09-05T09:03:29Z", "ms": 2609139809050.8076 }, "end": { "local": "2052-09-05T12:51:29+03:00", "utc": "2052-09-05T09:51:29Z", "ms": 2609142689050.8076 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-09-06", "window": { "start": { "local": "2052-09-06T12:03:09+03:00", "utc": "2052-09-06T09:03:09Z", "ms": 2609226188758.419 }, "end": { "local": "2052-09-06T12:51:09+03:00", "utc": "2052-09-06T09:51:09Z", "ms": 2609229068758.419 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:33 on Thu 5 Sep to 05:09 on Fri 6 Sep.", "fact": "2052-09-05T01:33:15Z → 2052-09-06T02:08:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 5th, 12:03–12:51 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 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24852 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Moscow, 2052: Thursday 5 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": "2052-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-09-05", "confidence": "determinate" } ], "quote": "In Moscow, Vāmana Jayantī 2052 falls on Thursday 5 September. Dvādaśī runs from 04:33 on Thu 5 Sep to 05:09 on Fri 6 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/pradosha-vrata?on=2052-09-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30729, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-09-06T05:08:57+03:00", "utc": "2052-09-06T02:08:57Z", "ms": 2609201336799.2007 }, "end": { "local": "2052-09-07T05:06:07+03:00", "utc": "2052-09-07T02:06:07Z", "ms": 2609287566709.6206 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-09-06T05:08:57+03:00", "utc": "2052-09-06T02:08:57Z", "ms": 2609201336799.2007 }, "end": { "local": "2052-09-07T05:06:07+03:00", "utc": "2052-09-07T02:06:07Z", "ms": 2609287566709.6206 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-09-05", "window": { "start": { "local": "2052-09-05T19:11:26+03:00", "utc": "2052-09-05T16:11:26Z", "ms": 2609165485542.9614 }, "end": { "local": "2052-09-05T20:35:58+03:00", "utc": "2052-09-05T17:35:58Z", "ms": 2609170557858.056 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "2052-09-06", "window": { "start": { "local": "2052-09-06T19:08:50+03:00", "utc": "2052-09-06T16:08:50Z", "ms": 2609251729610.6655 }, "end": { "local": "2052-09-06T20:33:58+03:00", "utc": "2052-09-06T17:33:58Z", "ms": 2609256838089.3496 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:09 on Fri 6 Sep to 05:06 on Sat 7 Sep.", "fact": "2052-09-06T02:08:57Z → 2052-09-07T02:06:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:11–20:36 on the 5th, 19:09–20:34 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 85 minutes on the 5th and 85 of 85 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30729 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2052: Friday 6 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": "2052-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-09-06", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2052 falls on Friday 6 September. Trayodaśī runs from 05:09 on Fri 6 Sep to 05:06 on Sat 7 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-09-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2476, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2052-09-07T05:06:07+03:00", "utc": "2052-09-07T02:06:07Z", "ms": 2609287566709.6206 }, "end": { "local": "2052-09-08T04:26:57+03:00", "utc": "2052-09-08T01:26:57Z", "ms": 2609371616876.3853 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2052-09-07T05:06:07+03:00", "utc": "2052-09-07T02:06:07Z", "ms": 2609287566709.6206 }, "end": { "local": "2052-09-08T04:26:57+03:00", "utc": "2052-09-08T01:26:57Z", "ms": 2609371616876.3853 } }, "kaala": "udaya-3", "days": [ { "local_date": "2052-09-07", "window": { "start": { "local": "2052-09-07T05:47:23+03:00", "utc": "2052-09-07T02:47:23Z", "ms": 2609290043200.7964 }, "end": { "local": "2052-09-07T08:27:09+03:00", "utc": "2052-09-07T05:27:09Z", "ms": 2609299629226.8257 } }, "covered_min": 160, "window_min": 160, "qualifies": true }, { "local_date": "2052-09-08", "window": { "start": { "local": "2052-09-08T05:49:18+03:00", "utc": "2052-09-08T02:49:18Z", "ms": 2609376558454.63 }, "end": { "local": "2052-09-08T08:28:10+03:00", "utc": "2052-09-08T05:28:10Z", "ms": 2609386090110.603 } }, "covered_min": 0, "window_min": 159, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:06 on Sat 7 Sep to 04:27 on Sun 8 Sep.", "fact": "2052-09-07T02:06:07Z → 2052-09-08T01:26:57Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:47–08:27 on the 7th, 05:49–08:28 on the 8th.", "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 160 of 160 minutes on the 7th and 0 of 159 on the 8th.", "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 2476 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Moscow, 2052: Saturday 7 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": "2052-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-09-07", "confidence": "determinate" } ], "quote": "In Moscow, Ananta Caturdaśī 2052 falls on Saturday 7 September. Caturdaśī runs from 05:06 on Sat 7 Sep to 04:27 on Sun 8 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/sankashta-chaturthi?on=2052-09-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-09-11", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 4733, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-09-11T21:26:42+03:00", "utc": "2052-09-11T18:26:42Z", "ms": 2609692002362.9097 }, "end": { "local": "2052-09-12T19:04:57+03:00", "utc": "2052-09-12T16:04:57Z", "ms": 2609769896583.5957 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2052-09-11T21:26:42+03:00", "utc": "2052-09-11T18:26:42Z", "ms": 2609692002362.9097 }, "end": { "local": "2052-09-12T19:04:57+03:00", "utc": "2052-09-12T16:04:57Z", "ms": 2609769896583.5957 } }, "kaala": "moonrise", "days": [ { "local_date": "2052-09-11", "window": { "start": { "local": "2052-09-11T19:54:33+03:00", "utc": "2052-09-11T16:54:33Z", "ms": 2609686472906.1357 }, "end": { "local": "2052-09-11T19:54:33+03:00", "utc": "2052-09-11T16:54:33Z", "ms": 2609686472906.1357 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-09-12", "window": { "start": { "local": "2052-09-12T20:23:50+03:00", "utc": "2052-09-12T17:23:50Z", "ms": 2609774629826.546 }, "end": { "local": "2052-09-12T20:23:50+03:00", "utc": "2052-09-12T17:23:50Z", "ms": 2609774629826.546 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:27 on Wed 11 Sep to 19:05 on Thu 12 Sep.", "fact": "2052-09-11T18:26:42Z → 2052-09-12T16:04:57Z" }, { "step": "kaala", "text": "Moonrise is at 19:55 on the 11th and 20:24 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 not on the 12th.", "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 4733 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2052: Wednesday 11 September.", "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": "2052-09-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-09-11", "confidence": "boundary" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2052 falls on Wednesday 11 September. Caturthī runs from 21:27 on Wed 11 Sep to 19:05 on Thu 12 Sep, and is current at moonrise on neither day.", "cite": "https://ahargana.org/moscow/festivals/2052/sankashta-chaturthi?on=2052-09-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15524, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2052-09-13T16:39:29+03:00", "utc": "2052-09-13T13:39:29Z", "ms": 2609847568990.335 }, "end": { "local": "2052-09-14T14:14:54+03:00", "utc": "2052-09-14T11:14:54Z", "ms": 2609925294032.5947 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2052-09-13T16:39:29+03:00", "utc": "2052-09-13T13:39:29Z", "ms": 2609847568990.335 }, "end": { "local": "2052-09-14T14:14:54+03:00", "utc": "2052-09-14T11:14:54Z", "ms": 2609925294032.5947 } }, "kaala": "moonrise", "days": [ { "local_date": "2052-09-13", "window": { "start": { "local": "2052-09-13T20:58:13+03:00", "utc": "2052-09-13T17:58:13Z", "ms": 2609863092842.7173 }, "end": { "local": "2052-09-13T20:58:13+03:00", "utc": "2052-09-13T17:58:13Z", "ms": 2609863092842.7173 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-09-14", "window": { "start": { "local": "2052-09-14T21:39:37+03:00", "utc": "2052-09-14T18:39:37Z", "ms": 2609951977227.13 }, "end": { "local": "2052-09-14T21:39:37+03:00", "utc": "2052-09-14T18:39:37Z", "ms": 2609951977227.13 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:39 on Fri 13 Sep to 14:15 on Sat 14 Sep.", "fact": "2052-09-13T13:39:29Z → 2052-09-14T11:14:54Z" }, { "step": "kaala", "text": "Moonrise is at 20:58 on the 13th and 21:40 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15524 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Moscow, 2052: Friday 13 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": "2052-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-09-13", "confidence": "determinate" } ], "quote": "In Moscow, Candra Ṣaṣṭhī 2052 falls on Friday 13 September. Ṣaṣṭhī runs from 16:39 on Fri 13 Sep to 14:15 on Sat 14 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24603, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2052-09-15T11:55:11+03:00", "utc": "2052-09-15T08:55:11Z", "ms": 2610003311384.914 }, "end": { "local": "2052-09-16T09:43:51+03:00", "utc": "2052-09-16T06:43:51Z", "ms": 2610081831267.045 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2052-09-15T11:55:11+03:00", "utc": "2052-09-15T08:55:11Z", "ms": 2610003311384.914 }, "end": { "local": "2052-09-16T09:43:51+03:00", "utc": "2052-09-16T06:43:51Z", "ms": 2610081831267.045 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-09-15", "window": { "start": { "local": "2052-09-15T18:45:14+03:00", "utc": "2052-09-15T15:45:14Z", "ms": 2610027914223.119 }, "end": { "local": "2052-09-15T20:15:50+03:00", "utc": "2052-09-15T17:15:50Z", "ms": 2610033349780.9478 } }, "covered_min": 91, "window_min": 91, "qualifies": true }, { "local_date": "2052-09-16", "window": { "start": { "local": "2052-09-16T18:42:36+03:00", "utc": "2052-09-16T15:42:36Z", "ms": 2610114156171.9194 }, "end": { "local": "2052-09-16T20:13:48+03:00", "utc": "2052-09-16T17:13:48Z", "ms": 2610119628215.759 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:55 on Sun 15 Sep to 09:44 on Mon 16 Sep.", "fact": "2052-09-15T08:55:11Z → 2052-09-16T06:43:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:45–20:16 on the 15th, 18:43–20:14 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 91 of 91 minutes on the 15th and 0 of 91 on the 16th.", "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 24603 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Moscow, 2052: Sunday 15 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": "2052-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-09-15", "confidence": "determinate" } ], "quote": "In Moscow, Jitāṣṭamī (Jitiya) 2052 falls on Sunday 15 September. Aṣṭamī runs from 11:55 on Sun 15 Sep to 09:44 on Mon 16 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38063, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2052-09-15T11:55:11+03:00", "utc": "2052-09-15T08:55:11Z", "ms": 2610003311384.914 }, "end": { "local": "2052-09-16T09:43:51+03:00", "utc": "2052-09-16T06:43:51Z", "ms": 2610081831267.045 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2052-09-15T11:55:11+03:00", "utc": "2052-09-15T08:55:11Z", "ms": 2610003311384.914 }, "end": { "local": "2052-09-16T09:43:51+03:00", "utc": "2052-09-16T06:43:51Z", "ms": 2610081831267.045 } }, "kaala": "moonrise", "days": [ { "local_date": "2052-09-15", "window": { "start": { "local": "2052-09-15T22:29:34+03:00", "utc": "2052-09-15T19:29:34Z", "ms": 2610041374277.655 }, "end": { "local": "2052-09-15T22:29:34+03:00", "utc": "2052-09-15T19:29:34Z", "ms": 2610041374277.655 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-09-16", "window": { "start": { "local": "2052-09-16T23:28:24+03:00", "utc": "2052-09-16T20:28:24Z", "ms": 2610131304218.8564 }, "end": { "local": "2052-09-16T23:28:24+03:00", "utc": "2052-09-16T20:28:24Z", "ms": 2610131304218.8564 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:55 on Sun 15 Sep to 09:44 on Mon 16 Sep.", "fact": "2052-09-15T08:55:11Z → 2052-09-16T06:43:51Z" }, { "step": "kaala", "text": "Moonrise is at 22:30 on the 15th and 23:28 on the 16th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 15th and is not on the 16th.", "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 38063 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Moscow, 2052: Sunday 15 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": "2052-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-09-15", "confidence": "determinate" } ], "quote": "In Moscow, Mahālakṣmī Vrata Samāpana 2052 falls on Sunday 15 September. Aṣṭamī runs from 11:55 on Sun 15 Sep to 09:44 on Mon 16 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ekadashi?on=2052-09-18", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 588, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-09-18T05:58:44+03:00", "utc": "2052-09-18T02:58:44Z", "ms": 2610241124078.979 }, "end": { "local": "2052-09-19T04:30:51+03:00", "utc": "2052-09-19T01:30:51Z", "ms": 2610322250523.4897 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2052-09-18T05:58:44+03:00", "utc": "2052-09-18T02:58:44Z", "ms": 2610241124078.979 }, "end": { "local": "2052-09-19T04:30:51+03:00", "utc": "2052-09-19T01:30:51Z", "ms": 2610322250523.4897 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-09-18", "window": { "start": { "local": "2052-09-18T06:08:32+03:00", "utc": "2052-09-18T03:08:32Z", "ms": 2610241712200.7773 }, "end": { "local": "2052-09-18T06:08:32+03:00", "utc": "2052-09-18T03:08:32Z", "ms": 2610241712200.7773 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-09-19", "window": { "start": { "local": "2052-09-19T06:10:28+03:00", "utc": "2052-09-19T03:10:28Z", "ms": 2610328228016.452 }, "end": { "local": "2052-09-19T06:10:28+03:00", "utc": "2052-09-19T03:10:28Z", "ms": 2610328228016.452 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:59 on Wed 18 Sep to 04:31 on Thu 19 Sep.", "fact": "2052-09-18T02:58:44Z → 2052-09-19T01:30:51Z" }, { "step": "kaala", "text": "Sunrise is at 06:09 on the 18th and 06:10 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 588 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Moscow, 2052: Wednesday 18 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": "2052-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-09-18", "confidence": "determinate" } ], "quote": "In Moscow, Indirā Ekādaśī 2052 falls on Wednesday 18 September. Ekādaśī runs from 05:59 on Wed 18 Sep to 04:31 on Thu 19 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-09-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/pradosha-vrata?on=2052-09-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23616, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-09-20T03:23:21+03:00", "utc": "2052-09-20T00:23:21Z", "ms": 2610404601114.525 }, "end": { "local": "2052-09-21T02:39:18+03:00", "utc": "2052-09-20T23:39:18Z", "ms": 2610488357970.839 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2052-09-20T03:23:21+03:00", "utc": "2052-09-20T00:23:21Z", "ms": 2610404601114.525 }, "end": { "local": "2052-09-21T02:39:18+03:00", "utc": "2052-09-20T23:39:18Z", "ms": 2610488357970.839 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-09-19", "window": { "start": { "local": "2052-09-19T18:34:42+03:00", "utc": "2052-09-19T15:34:42Z", "ms": 2610372881819.124 }, "end": { "local": "2052-09-19T20:07:43+03:00", "utc": "2052-09-19T17:07:43Z", "ms": 2610378463437.3774 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "2052-09-20", "window": { "start": { "local": "2052-09-20T18:32:04+03:00", "utc": "2052-09-20T15:32:04Z", "ms": 2610459123722.5376 }, "end": { "local": "2052-09-20T20:05:42+03:00", "utc": "2052-09-20T17:05:42Z", "ms": 2610464741896.7363 } }, "covered_min": 94, "window_min": 94, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:23 on Fri 20 Sep to 02:39 on Sat 21 Sep.", "fact": "2052-09-20T00:23:21Z → 2052-09-20T23:39:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:08 on the 19th, 18:32–20:06 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 93 minutes on the 19th and 94 of 94 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23616 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2052: Friday 20 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": "2052-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-09-20", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2052 falls on Friday 20 September. Trayodaśī runs from 03:23 on Fri 20 Sep to 02:39 on Sat 21 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-09-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/shivaratri?on=2052-09-21", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5687, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2052-09-21T02:39:18+03:00", "utc": "2052-09-20T23:39:18Z", "ms": 2610488357970.839 }, "end": { "local": "2052-09-22T02:21:38+03:00", "utc": "2052-09-21T23:21:38Z", "ms": 2610573698324.856 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2052-09-21T02:39:18+03:00", "utc": "2052-09-20T23:39:18Z", "ms": 2610488357970.839 }, "end": { "local": "2052-09-22T02:21:38+03:00", "utc": "2052-09-21T23:21:38Z", "ms": 2610573698324.856 } }, "kaala": "nishita", "days": [ { "local_date": "2052-09-20", "window": { "start": { "local": "2052-09-20T23:59:12+03:00", "utc": "2052-09-20T20:59:12Z", "ms": 2610478751875.783 }, "end": { "local": "2052-09-21T00:47:12+03:00", "utc": "2052-09-20T21:47:12Z", "ms": 2610481631875.783 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-09-21", "window": { "start": { "local": "2052-09-21T23:58:51+03:00", "utc": "2052-09-21T20:58:51Z", "ms": 2610565130961.0137 }, "end": { "local": "2052-09-22T00:46:51+03:00", "utc": "2052-09-21T21:46:51Z", "ms": 2610568010961.0137 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:39 on Sat 21 Sep to 02:22 on Sun 22 Sep.", "fact": "2052-09-20T23:39:18Z → 2052-09-21T23:21:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:59–00:47 on the 20th, 23:59–00:47 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 5687 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2052: Saturday 21 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-09-21", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2052 falls on Saturday 21 September. Caturdaśī runs from 02:39 on Sat 21 Sep to 02:22 on Sun 22 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2052/shivaratri?on=2052-09-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37154, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2052-09-22T02:21:38+03:00", "utc": "2052-09-21T23:21:38Z", "ms": 2610573698324.856 }, "end": { "local": "2052-09-23T02:32:57+03:00", "utc": "2052-09-22T23:32:57Z", "ms": 2610660776834.0225 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2052-09-22T02:21:38+03:00", "utc": "2052-09-21T23:21:38Z", "ms": 2610573698324.856 }, "end": { "local": "2052-09-23T02:32:57+03:00", "utc": "2052-09-22T23:32:57Z", "ms": 2610660776834.0225 } }, "kaala": "aparahna", "days": [ { "local_date": "2052-09-21", "window": { "start": { "local": "2052-09-21T13:35:23+03:00", "utc": "2052-09-21T10:35:23Z", "ms": 2610527723418.812 }, "end": { "local": "2052-09-21T16:02:25+03:00", "utc": "2052-09-21T13:02:25Z", "ms": 2610536544548.7397 } }, "covered_min": 0, "window_min": 147, "qualifies": false }, { "local_date": "2052-09-22", "window": { "start": { "local": "2052-09-22T13:34:35+03:00", "utc": "2052-09-22T10:34:35Z", "ms": 2610614075124.654 }, "end": { "local": "2052-09-22T16:00:41+03:00", "utc": "2052-09-22T13:00:41Z", "ms": 2610622841418.419 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 02:22 on Sun 22 Sep to 02:33 on Mon 23 Sep.", "fact": "2052-09-21T23:21:38Z → 2052-09-22T23:32:57Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:35–16:02 on the 21st, 13:35–16:01 on the 22nd.", "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 147 minutes on the 21st and 146 of 146 on the 22nd.", "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 37154 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Moscow, 2052: Sunday 22 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": "2052-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-09-22", "confidence": "determinate" } ], "quote": "In Moscow, Mahālaya Amāvāsyā 2052 falls on Sunday 22 September. Amāvasyā runs from 02:22 on Sun 22 Sep to 02:33 on Mon 23 Sep and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31313, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2052-09-23T02:32:57+03:00", "utc": "2052-09-22T23:32:57Z", "ms": 2610660776834.0225 }, "end": { "local": "2052-09-24T03:14:58+03:00", "utc": "2052-09-24T00:14:58Z", "ms": 2610749697601.6113 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2052-09-23T02:32:57+03:00", "utc": "2052-09-22T23:32:57Z", "ms": 2610660776834.0225 }, "end": { "local": "2052-09-24T03:14:58+03:00", "utc": "2052-09-24T00:14:58Z", "ms": 2610749697601.6113 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-09-23", "window": { "start": { "local": "2052-09-23T11:57:11+03:00", "utc": "2052-09-23T08:57:11Z", "ms": 2610694631227.584 }, "end": { "local": "2052-09-23T12:45:11+03:00", "utc": "2052-09-23T09:45:11Z", "ms": 2610697511227.584 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-09-24", "window": { "start": { "local": "2052-09-24T11:56:51+03:00", "utc": "2052-09-24T08:56:51Z", "ms": 2610781010619.9893 }, "end": { "local": "2052-09-24T12:44:51+03:00", "utc": "2052-09-24T09:44:51Z", "ms": 2610783890619.9893 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 02:33 on Mon 23 Sep to 03:15 on Tue 24 Sep.", "fact": "2052-09-22T23:32:57Z → 2052-09-24T00:14:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 23rd, 11:57–12:45 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31313 s" }, { "step": "ruling", "text": "Navarātrārambha, Moscow, 2052: Monday 23 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": "2052-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-09-23", "confidence": "determinate" } ], "quote": "In Moscow, Navarātrārambha (Navratri) 2052 falls on Monday 23 September. Pratipadā runs from 02:33 on Mon 23 Sep to 03:15 on Tue 24 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/vinayaka-chaturthi?on=2052-09-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13158, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-09-26T06:10:02+03:00", "utc": "2052-09-26T03:10:02Z", "ms": 2610933002010.146 }, "end": { "local": "2052-09-27T08:16:32+03:00", "utc": "2052-09-27T05:16:32Z", "ms": 2611026992253.3696 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2052-09-26T06:10:02+03:00", "utc": "2052-09-26T03:10:02Z", "ms": 2610933002010.146 }, "end": { "local": "2052-09-27T08:16:32+03:00", "utc": "2052-09-27T05:16:32Z", "ms": 2611026992253.3696 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-09-26", "window": { "start": { "local": "2052-09-26T11:56:10+03:00", "utc": "2052-09-26T08:56:10Z", "ms": 2610953769901.0137 }, "end": { "local": "2052-09-26T12:44:10+03:00", "utc": "2052-09-26T09:44:10Z", "ms": 2610956649901.0137 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-09-27", "window": { "start": { "local": "2052-09-27T11:55:50+03:00", "utc": "2052-09-27T08:55:50Z", "ms": 2611040149824.8525 }, "end": { "local": "2052-09-27T12:43:50+03:00", "utc": "2052-09-27T09:43:50Z", "ms": 2611043029824.8525 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:10 on Thu 26 Sep to 08:17 on Fri 27 Sep.", "fact": "2052-09-26T03:10:02Z → 2052-09-27T05:16:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 26th, 11:56–12:44 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 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13158 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2052: Thursday 26 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": "2052-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-09-26", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2052 falls on Thursday 26 September. Caturthī runs from 06:10 on Thu 26 Sep to 08:17 on Fri 27 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/vinayaka-chaturthi?on=2052-09-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21143, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2052-09-29T13:08:51+03:00", "utc": "2052-09-29T10:08:51Z", "ms": 2611217331341.514 }, "end": { "local": "2052-09-30T15:31:30+03:00", "utc": "2052-09-30T12:31:30Z", "ms": 2611312290153.686 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2052-09-29T13:08:51+03:00", "utc": "2052-09-29T10:08:51Z", "ms": 2611217331341.514 }, "end": { "local": "2052-09-30T15:31:30+03:00", "utc": "2052-09-30T12:31:30Z", "ms": 2611312290153.686 } }, "kaala": "udaya-1", "days": [ { "local_date": "2052-09-29", "window": { "start": { "local": "2052-09-29T06:29:54+03:00", "utc": "2052-09-29T03:29:54Z", "ms": 2611193394432.9053 }, "end": { "local": "2052-09-29T07:16:29+03:00", "utc": "2052-09-29T04:16:29Z", "ms": 2611196188552.572 } }, "covered_min": 0, "window_min": 47, "qualifies": false }, { "local_date": "2052-09-30", "window": { "start": { "local": "2052-09-30T06:31:52+03:00", "utc": "2052-09-30T03:31:52Z", "ms": 2611279912098.458 }, "end": { "local": "2052-09-30T07:18:08+03:00", "utc": "2052-09-30T04:18:08Z", "ms": 2611282687945.308 } }, "covered_min": 46, "window_min": 46, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:09 on Sun 29 Sep to 15:32 on Mon 30 Sep.", "fact": "2052-09-29T10:08:51Z → 2052-09-30T12:31:30Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:30–07:16 on the 29th, 06:32–07:18 on the 30th.", "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 47 minutes on the 29th and 46 of 46 on the 30th.", "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 21143 s" }, { "step": "ruling", "text": "Durgā Saptamī, Moscow, 2052: Monday 30 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": "2052-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-09-30", "confidence": "determinate" } ], "quote": "In Moscow, Durgā Saptamī 2052 falls on Monday 30 September. Saptamī runs from 13:09 on Sun 29 Sep to 15:32 on Mon 30 Sep and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10119, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2052-09-30T15:31:30+03:00", "utc": "2052-09-30T12:31:30Z", "ms": 2611312290153.686 }, "end": { "local": "2052-10-01T17:34:45+03:00", "utc": "2052-10-01T14:34:45Z", "ms": 2611406085427.247 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2052-09-30T15:31:30+03:00", "utc": "2052-09-30T12:31:30Z", "ms": 2611312290153.686 }, "end": { "local": "2052-10-01T17:34:45+03:00", "utc": "2052-10-01T14:34:45Z", "ms": 2611406085427.247 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-09-30", "window": { "start": { "local": "2052-09-30T11:54:51+03:00", "utc": "2052-09-30T08:54:51Z", "ms": 2611299290949.832 }, "end": { "local": "2052-09-30T12:42:51+03:00", "utc": "2052-09-30T09:42:51Z", "ms": 2611302170949.832 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-10-01", "window": { "start": { "local": "2052-10-01T11:54:32+03:00", "utc": "2052-10-01T08:54:32Z", "ms": 2611385671839.491 }, "end": { "local": "2052-10-01T12:42:32+03:00", "utc": "2052-10-01T09:42:32Z", "ms": 2611388551839.491 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 15:32 on Mon 30 Sep to 17:35 on Tue 1 Oct.", "fact": "2052-09-30T12:31:30Z → 2052-10-01T14:34:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 30th, 11:55–12:43 on the 1st.", "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 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10119 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Moscow, 2052: Tuesday 1 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-01", "confidence": "determinate" } ], "quote": "In Moscow, Mahāṣṭamī (Durga Ashtami) 2052 falls on Tuesday 1 October. Aṣṭamī runs from 15:32 on Mon 30 Sep to 17:35 on Tue 1 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17534, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2052-10-01T17:34:45+03:00", "utc": "2052-10-01T14:34:45Z", "ms": 2611406085427.247 }, "end": { "local": "2052-10-02T19:07:12+03:00", "utc": "2052-10-02T16:07:12Z", "ms": 2611498031685.0723 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2052-10-01T17:34:45+03:00", "utc": "2052-10-01T14:34:45Z", "ms": 2611406085427.247 }, "end": { "local": "2052-10-02T19:07:12+03:00", "utc": "2052-10-02T16:07:12Z", "ms": 2611498031685.0723 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-10-01", "window": { "start": { "local": "2052-10-01T11:54:32+03:00", "utc": "2052-10-01T08:54:32Z", "ms": 2611385671839.491 }, "end": { "local": "2052-10-01T12:42:32+03:00", "utc": "2052-10-01T09:42:32Z", "ms": 2611388551839.491 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-10-02", "window": { "start": { "local": "2052-10-02T11:54:13+03:00", "utc": "2052-10-02T08:54:13Z", "ms": 2611472053019.2217 }, "end": { "local": "2052-10-02T12:42:13+03:00", "utc": "2052-10-02T09:42:13Z", "ms": 2611474933019.2217 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 17:35 on Tue 1 Oct to 19:07 on Wed 2 Oct.", "fact": "2052-10-01T14:34:45Z → 2052-10-02T16:07:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 1st, 11:54–12:42 on the 2nd.", "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 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: purvaviddha → only-day · margin 17534 s" }, { "step": "ruling", "text": "Mahānavamī, Moscow, 2052: Wednesday 2 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": "2052-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-02", "confidence": "determinate" } ], "quote": "In Moscow, Mahānavamī 2052 falls on Wednesday 2 October. Navamī runs from 17:35 on Tue 1 Oct to 19:07 on Wed 2 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3026, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2052-10-02T19:07:12+03:00", "utc": "2052-10-02T16:07:12Z", "ms": 2611498031685.0723 }, "end": { "local": "2052-10-03T20:00:20+03:00", "utc": "2052-10-03T17:00:20Z", "ms": 2611587620064.58 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2052-10-03T07:28:13+03:00", "utc": "2052-10-03T04:28:13Z", "ms": 2611542492963.1104 }, "end": { "local": "2052-10-03T20:00:20+03:00", "utc": "2052-10-03T17:00:20Z", "ms": 2611587620064.58 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2052-10-03T07:28:13+03:00", "utc": "2052-10-03T04:28:13Z", "ms": 2611542492963.1104 }, "end": { "local": "2052-10-04T08:36:31+03:00", "utc": "2052-10-04T05:36:31Z", "ms": 2611632990750.261 } } }, "kaala": "daytime", "days": [ { "local_date": "2052-10-03", "window": { "start": { "local": "2052-10-03T06:37:46+03:00", "utc": "2052-10-03T03:37:46Z", "ms": 2611539466486.053 }, "end": { "local": "2052-10-03T17:58:03+03:00", "utc": "2052-10-03T14:58:03Z", "ms": 2611580282532.5625 } }, "covered_min": 630, "window_min": 680, "qualifies": true }, { "local_date": "2052-10-04", "window": { "start": { "local": "2052-10-04T06:39:45+03:00", "utc": "2052-10-04T03:39:45Z", "ms": 2611625985114.1074 }, "end": { "local": "2052-10-04T17:55:28+03:00", "utc": "2052-10-04T14:55:28Z", "ms": 2611666527546.993 } }, "covered_min": 0, "window_min": 676, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 19:07 on Wed 2 Oct to 20:00 on Thu 3 Oct, and Śravaṇa from 07:28 on Thu 3 Oct to 08:37 on Fri 4 Oct. They are together from 07:28 on Thu 3 Oct to 20:00 on Thu 3 Oct.", "fact": "2052-10-03T04:28:13Z → 2052-10-03T17:00:20Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:38–17:58 on the 3rd, 06:40–17:55 on the 4th.", "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 630 of 680 minutes on the 3rd and 0 of 676 on the 4th.", "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 3026 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Moscow, 2052: Thursday 3 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": "2052-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-03", "confidence": "determinate" } ], "quote": "In Moscow, Vijayā Daśamī (Dussehra) 2052 falls on Thursday 3 October. Daśamī runs from 19:07 on Wed 2 Oct to 20:00 on Thu 3 Oct and is with Śravaṇa in the day time that day, for 630 minutes.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ekadashi?on=2052-10-04", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37936, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-10-03T20:00:20+03:00", "utc": "2052-10-03T17:00:20Z", "ms": 2611587620064.58 }, "end": { "local": "2052-10-04T20:09:28+03:00", "utc": "2052-10-04T17:09:28Z", "ms": 2611674568053.5527 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2052-10-03T20:00:20+03:00", "utc": "2052-10-03T17:00:20Z", "ms": 2611587620064.58 }, "end": { "local": "2052-10-04T20:09:28+03:00", "utc": "2052-10-04T17:09:28Z", "ms": 2611674568053.5527 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-10-04", "window": { "start": { "local": "2052-10-04T06:39:45+03:00", "utc": "2052-10-04T03:39:45Z", "ms": 2611625985114.1074 }, "end": { "local": "2052-10-04T06:39:45+03:00", "utc": "2052-10-04T03:39:45Z", "ms": 2611625985114.1074 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-10-05", "window": { "start": { "local": "2052-10-05T06:41:44+03:00", "utc": "2052-10-05T03:41:44Z", "ms": 2611712504010.112 }, "end": { "local": "2052-10-05T06:41:44+03:00", "utc": "2052-10-05T03:41:44Z", "ms": 2611712504010.112 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:00 on Thu 3 Oct to 20:09 on Fri 4 Oct.", "fact": "2052-10-03T17:00:20Z → 2052-10-04T17:09:28Z" }, { "step": "kaala", "text": "Sunrise is at 06:40 on the 4th and 06:42 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37936 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Moscow, 2052: Friday 4 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": "2052-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-04", "confidence": "determinate" } ], "quote": "In Moscow, Pāśāṅkuśā Ekādaśī 2052 falls on Friday 4 October. Ekādaśī runs from 20:00 on Thu 3 Oct to 20:09 on Fri 4 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-10-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/pradosha-vrata?on=2052-10-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-06", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 115, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-10-05T19:33:44+03:00", "utc": "2052-10-05T16:33:44Z", "ms": 2611758824467.7876 }, "end": { "local": "2052-10-06T18:15:41+03:00", "utc": "2052-10-06T15:15:41Z", "ms": 2611840540556.6396 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2052-10-05T19:33:44+03:00", "utc": "2052-10-05T16:33:44Z", "ms": 2611758824467.7876 }, "end": { "local": "2052-10-06T18:15:41+03:00", "utc": "2052-10-06T15:15:41Z", "ms": 2611840540556.6396 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-10-05", "window": { "start": { "local": "2052-10-05T17:52:53+03:00", "utc": "2052-10-05T14:52:53Z", "ms": 2611752772998.6006 }, "end": { "local": "2052-10-05T19:35:40+03:00", "utc": "2052-10-05T16:35:40Z", "ms": 2611758939690.268 } }, "covered_min": 2, "window_min": 103, "qualifies": true }, { "local_date": "2052-10-06", "window": { "start": { "local": "2052-10-06T17:50:19+03:00", "utc": "2052-10-06T14:50:19Z", "ms": 2611839018919.557 }, "end": { "local": "2052-10-06T19:33:42+03:00", "utc": "2052-10-06T16:33:42Z", "ms": 2611845222084.281 } }, "covered_min": 25, "window_min": 103, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:34 on Sat 5 Oct to 18:16 on Sun 6 Oct.", "fact": "2052-10-05T16:33:44Z → 2052-10-06T15:15:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:36 on the 5th, 17:50–19:34 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 2 of 103 minutes on the 5th and 25 of 103 on the 6th.", "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 115 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2052: Sunday 6 October.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-10-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-05", "confidence": "boundary" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2052 falls on Sunday 6 October. Trayodaśī runs from 19:34 on Sat 5 Oct to 18:16 on Sun 6 Oct and covers 25 of 103 minutes of pradoṣa that evening. It also reaches the previous evening for 2 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 1 min 55 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-10-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22779, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-10-11T04:59:08+03:00", "utc": "2052-10-11T01:59:08Z", "ms": 2612224748499.468 }, "end": { "local": "2052-10-12T01:55:56+03:00", "utc": "2052-10-11T22:55:56Z", "ms": 2612300155802.7124 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-11T04:59:08+03:00", "utc": "2052-10-11T01:59:08Z", "ms": 2612224748499.468 }, "end": { "local": "2052-10-12T01:55:56+03:00", "utc": "2052-10-11T22:55:56Z", "ms": 2612300155802.7124 } }, "kaala": "moonrise", "days": [ { "local_date": "2052-10-10", "window": { "start": { "local": "2052-10-10T18:56:23+03:00", "utc": "2052-10-10T15:56:23Z", "ms": 2612188583206.393 }, "end": { "local": "2052-10-10T18:56:23+03:00", "utc": "2052-10-10T15:56:23Z", "ms": 2612188583206.393 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-10-11", "window": { "start": { "local": "2052-10-11T19:36:17+03:00", "utc": "2052-10-11T16:36:17Z", "ms": 2612277376644.9604 }, "end": { "local": "2052-10-11T19:36:17+03:00", "utc": "2052-10-11T16:36:17Z", "ms": 2612277376644.9604 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:59 on Fri 11 Oct to 01:56 on Sat 12 Oct.", "fact": "2052-10-11T01:59:08Z → 2052-10-11T22:55:56Z" }, { "step": "kaala", "text": "Moonrise is at 18:56 on the 10th and 19:36 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22779 s" }, { "step": "ruling", "text": "Karaka Caturthī, Moscow, 2052: Friday 11 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "karaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-11", "confidence": "determinate" } ], "quote": "In Moscow, Karaka Caturthī (Karwa Chauth) 2052 falls on Friday 11 October. Caturthī runs from 04:59 on Fri 11 Oct to 01:56 on Sat 12 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/sankashta-chaturthi?on=2052-10-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22779, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-10-11T04:59:08+03:00", "utc": "2052-10-11T01:59:08Z", "ms": 2612224748499.468 }, "end": { "local": "2052-10-12T01:55:56+03:00", "utc": "2052-10-11T22:55:56Z", "ms": 2612300155802.7124 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-11T04:59:08+03:00", "utc": "2052-10-11T01:59:08Z", "ms": 2612224748499.468 }, "end": { "local": "2052-10-12T01:55:56+03:00", "utc": "2052-10-11T22:55:56Z", "ms": 2612300155802.7124 } }, "kaala": "moonrise", "days": [ { "local_date": "2052-10-10", "window": { "start": { "local": "2052-10-10T18:56:23+03:00", "utc": "2052-10-10T15:56:23Z", "ms": 2612188583206.393 }, "end": { "local": "2052-10-10T18:56:23+03:00", "utc": "2052-10-10T15:56:23Z", "ms": 2612188583206.393 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-10-11", "window": { "start": { "local": "2052-10-11T19:36:17+03:00", "utc": "2052-10-11T16:36:17Z", "ms": 2612277376644.9604 }, "end": { "local": "2052-10-11T19:36:17+03:00", "utc": "2052-10-11T16:36:17Z", "ms": 2612277376644.9604 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:59 on Fri 11 Oct to 01:56 on Sat 12 Oct.", "fact": "2052-10-11T01:59:08Z → 2052-10-11T22:55:56Z" }, { "step": "kaala", "text": "Moonrise is at 18:56 on the 10th and 19:36 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 10th and is 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 22779 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2052: Friday 11 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-11", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2052 falls on Friday 11 October. Caturthī runs from 04:59 on Fri 11 Oct to 01:56 on Sat 12 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/sankashta-chaturthi?on=2052-10-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14936, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2052-10-14T18:17:50+03:00", "utc": "2052-10-14T15:17:50Z", "ms": 2612531869964.357 }, "end": { "local": "2052-10-15T16:33:45+03:00", "utc": "2052-10-15T13:33:45Z", "ms": 2612612025149.1064 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-14T18:17:50+03:00", "utc": "2052-10-14T15:17:50Z", "ms": 2612531869964.357 }, "end": { "local": "2052-10-15T16:33:45+03:00", "utc": "2052-10-15T13:33:45Z", "ms": 2612612025149.1064 } }, "kaala": "moonrise", "days": [ { "local_date": "2052-10-14", "window": { "start": { "local": "2052-10-14T22:26:46+03:00", "utc": "2052-10-14T19:26:46Z", "ms": 2612546806281.296 }, "end": { "local": "2052-10-14T22:26:46+03:00", "utc": "2052-10-14T19:26:46Z", "ms": 2612546806281.296 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-10-15", "window": { "start": { "local": "2052-10-15T23:37:00+03:00", "utc": "2052-10-15T20:37:00Z", "ms": 2612637420175.7114 }, "end": { "local": "2052-10-15T23:37:00+03:00", "utc": "2052-10-15T20:37:00Z", "ms": 2612637420175.7114 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 18:18 on Mon 14 Oct to 16:34 on Tue 15 Oct.", "fact": "2052-10-14T15:17:50Z → 2052-10-15T13:33:45Z" }, { "step": "kaala", "text": "Moonrise is at 22:27 on the 14th and 23:37 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī 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. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14936 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Moscow, 2052: Monday 14 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": "2052-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-14", "confidence": "determinate" } ], "quote": "In Moscow, Ahoyī Aṣṭamī 2052 falls on Monday 14 October. Aṣṭamī runs from 18:18 on Mon 14 Oct to 16:34 on Tue 15 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ekadashi?on=2052-10-18", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26065, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-10-17T14:35:42+03:00", "utc": "2052-10-17T11:35:42Z", "ms": 2612777742473.659 }, "end": { "local": "2052-10-18T14:22:25+03:00", "utc": "2052-10-18T11:22:25Z", "ms": 2612863344771.7925 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-17T14:35:42+03:00", "utc": "2052-10-17T11:35:42Z", "ms": 2612777742473.659 }, "end": { "local": "2052-10-18T14:22:25+03:00", "utc": "2052-10-18T11:22:25Z", "ms": 2612863344771.7925 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-10-17", "window": { "start": { "local": "2052-10-17T07:05:56+03:00", "utc": "2052-10-17T04:05:56Z", "ms": 2612750756054.955 }, "end": { "local": "2052-10-17T07:05:56+03:00", "utc": "2052-10-17T04:05:56Z", "ms": 2612750756054.955 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-10-18", "window": { "start": { "local": "2052-10-18T07:07:59+03:00", "utc": "2052-10-18T04:07:59Z", "ms": 2612837279381.196 }, "end": { "local": "2052-10-18T07:07:59+03:00", "utc": "2052-10-18T04:07:59Z", "ms": 2612837279381.196 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:36 on Thu 17 Oct to 14:22 on Fri 18 Oct.", "fact": "2052-10-17T11:35:42Z → 2052-10-18T11:22:25Z" }, { "step": "kaala", "text": "Sunrise is at 07:06 on the 17th and 07:08 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 17th and is 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 26065 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Moscow, 2052: Friday 18 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": "2052-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-18", "confidence": "determinate" } ], "quote": "In Moscow, Ramā Ekādaśī 2052 falls on Friday 18 October. Ekādaśī runs from 14:36 on Thu 17 Oct to 14:22 on Fri 18 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-10-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9575, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2052-10-18T14:22:25+03:00", "utc": "2052-10-18T11:22:25Z", "ms": 2612863344771.7925 }, "end": { "local": "2052-10-19T14:38:19+03:00", "utc": "2052-10-19T11:38:19Z", "ms": 2612950699006.55 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-18T14:22:25+03:00", "utc": "2052-10-18T11:22:25Z", "ms": 2612863344771.7925 }, "end": { "local": "2052-10-19T14:38:19+03:00", "utc": "2052-10-19T11:38:19Z", "ms": 2612950699006.55 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-10-18", "window": { "start": { "local": "2052-10-18T17:20:19+03:00", "utc": "2052-10-18T14:20:19Z", "ms": 2612874019161.6387 }, "end": { "local": "2052-10-18T19:10:57+03:00", "utc": "2052-10-18T16:10:57Z", "ms": 2612880657014.057 } }, "covered_min": 111, "window_min": 111, "qualifies": true }, { "local_date": "2052-10-19", "window": { "start": { "local": "2052-10-19T17:17:54+03:00", "utc": "2052-10-19T14:17:54Z", "ms": 2612960274386.4404 }, "end": { "local": "2052-10-19T19:09:08+03:00", "utc": "2052-10-19T16:09:08Z", "ms": 2612966948076.8335 } }, "covered_min": 0, "window_min": 111, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 14:22 on Fri 18 Oct to 14:38 on Sat 19 Oct.", "fact": "2052-10-18T11:22:25Z → 2052-10-19T11:38:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:20–19:11 on the 18th, 17:18–19:09 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 111 of 111 minutes on the 18th and 0 of 111 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: purvaviddha → only-day · margin 9575 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Moscow, 2052: Friday 18 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": "2052-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-18", "confidence": "determinate" } ], "quote": "In Moscow, Govatsa Dvādaśī (Vasu Baras) 2052 falls on Friday 18 October. Dvādaśī runs from 14:22 on Fri 18 Oct to 14:38 on Sat 19 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6826, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-10-19T14:38:19+03:00", "utc": "2052-10-19T11:38:19Z", "ms": 2612950699006.55 }, "end": { "local": "2052-10-20T15:21:45+03:00", "utc": "2052-10-20T12:21:45Z", "ms": 2613039704681.626 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-19T14:38:19+03:00", "utc": "2052-10-19T11:38:19Z", "ms": 2612950699006.55 }, "end": { "local": "2052-10-20T15:21:45+03:00", "utc": "2052-10-20T12:21:45Z", "ms": 2613039704681.626 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-10-19", "window": { "start": { "local": "2052-10-19T17:17:54+03:00", "utc": "2052-10-19T14:17:54Z", "ms": 2612960274386.4404 }, "end": { "local": "2052-10-19T19:09:08+03:00", "utc": "2052-10-19T16:09:08Z", "ms": 2612966948076.8335 } }, "covered_min": 111, "window_min": 111, "qualifies": true }, { "local_date": "2052-10-20", "window": { "start": { "local": "2052-10-20T17:15:31+03:00", "utc": "2052-10-20T14:15:31Z", "ms": 2613046530586.4946 }, "end": { "local": "2052-10-20T19:07:20+03:00", "utc": "2052-10-20T16:07:20Z", "ms": 2613053240027.846 } }, "covered_min": 0, "window_min": 112, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:38 on Sat 19 Oct to 15:22 on Sun 20 Oct.", "fact": "2052-10-19T11:38:19Z → 2052-10-20T12:21:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:18–19:09 on the 19th, 17:16–19:07 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 111 of 111 minutes on the 19th and 0 of 112 on the 20th.", "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 6826 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Moscow, 2052: Saturday 19 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": "2052-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-19", "confidence": "determinate" } ], "quote": "In Moscow, Yama Dīpadāna 2052 falls on Saturday 19 October. Trayodaśī runs from 14:38 on Sat 19 Oct to 15:22 on Sun 20 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/pradosha-vrata?on=2052-10-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6826, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-10-19T14:38:19+03:00", "utc": "2052-10-19T11:38:19Z", "ms": 2612950699006.55 }, "end": { "local": "2052-10-20T15:21:45+03:00", "utc": "2052-10-20T12:21:45Z", "ms": 2613039704681.626 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-19T14:38:19+03:00", "utc": "2052-10-19T11:38:19Z", "ms": 2612950699006.55 }, "end": { "local": "2052-10-20T15:21:45+03:00", "utc": "2052-10-20T12:21:45Z", "ms": 2613039704681.626 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-10-19", "window": { "start": { "local": "2052-10-19T17:17:54+03:00", "utc": "2052-10-19T14:17:54Z", "ms": 2612960274386.4404 }, "end": { "local": "2052-10-19T19:09:08+03:00", "utc": "2052-10-19T16:09:08Z", "ms": 2612966948076.8335 } }, "covered_min": 111, "window_min": 111, "qualifies": true }, { "local_date": "2052-10-20", "window": { "start": { "local": "2052-10-20T17:15:31+03:00", "utc": "2052-10-20T14:15:31Z", "ms": 2613046530586.4946 }, "end": { "local": "2052-10-20T19:07:20+03:00", "utc": "2052-10-20T16:07:20Z", "ms": 2613053240027.846 } }, "covered_min": 0, "window_min": 112, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:38 on Sat 19 Oct to 15:22 on Sun 20 Oct.", "fact": "2052-10-19T11:38:19Z → 2052-10-20T12:21:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:18–19:09 on the 19th, 17:16–19:07 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 111 of 111 minutes on the 19th and 0 of 112 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6826 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2052: Saturday 19 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": "2052-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-19", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2052 falls on Saturday 19 October. Trayodaśī runs from 14:38 on Sat 19 Oct to 15:22 on Sun 20 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-10-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/shivaratri?on=2052-10-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26392, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2052-10-20T15:21:45+03:00", "utc": "2052-10-20T12:21:45Z", "ms": 2613039704681.626 }, "end": { "local": "2052-10-21T16:30:50+03:00", "utc": "2052-10-21T13:30:50Z", "ms": 2613130249617.9907 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-20T15:21:45+03:00", "utc": "2052-10-20T12:21:45Z", "ms": 2613039704681.626 }, "end": { "local": "2052-10-21T16:30:50+03:00", "utc": "2052-10-21T13:30:50Z", "ms": 2613130249617.9907 } }, "kaala": "nishita", "days": [ { "local_date": "2052-10-20", "window": { "start": { "local": "2052-10-20T23:50:51+03:00", "utc": "2052-10-20T20:50:51Z", "ms": 2613070250991.5635 }, "end": { "local": "2052-10-21T00:38:51+03:00", "utc": "2052-10-20T21:38:51Z", "ms": 2613073130991.5635 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-10-21", "window": { "start": { "local": "2052-10-21T23:50:42+03:00", "utc": "2052-10-21T20:50:42Z", "ms": 2613156641918.2656 }, "end": { "local": "2052-10-22T00:38:42+03:00", "utc": "2052-10-21T21:38:42Z", "ms": 2613159521918.2656 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:22 on Sun 20 Oct to 16:31 on Mon 21 Oct.", "fact": "2052-10-20T12:21:45Z → 2052-10-21T13:30:50Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:51–00:39 on the 20th, 23:51–00:39 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 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26392 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2052: Sunday 20 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": "2052-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-20", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2052 falls on Sunday 20 October. Caturdaśī runs from 15:22 on Sun 20 Oct to 16:31 on Mon 21 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2052/shivaratri?on=2052-10-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29378, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2052-10-20T15:21:45+03:00", "utc": "2052-10-20T12:21:45Z", "ms": 2613039704681.626 }, "end": { "local": "2052-10-21T16:30:50+03:00", "utc": "2052-10-21T13:30:50Z", "ms": 2613130249617.9907 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-20T15:21:45+03:00", "utc": "2052-10-20T12:21:45Z", "ms": 2613039704681.626 }, "end": { "local": "2052-10-21T16:30:50+03:00", "utc": "2052-10-21T13:30:50Z", "ms": 2613130249617.9907 } }, "kaala": "arunodaya", "days": [ { "local_date": "2052-10-20", "window": { "start": { "local": "2052-10-20T05:20:53+03:00", "utc": "2052-10-20T02:20:53Z", "ms": 2613003653373.997 }, "end": { "local": "2052-10-20T07:12:07+03:00", "utc": "2052-10-20T04:12:07Z", "ms": 2613010327064.39 } }, "covered_min": 0, "window_min": 111, "qualifies": false }, { "local_date": "2052-10-21", "window": { "start": { "local": "2052-10-21T05:22:22+03:00", "utc": "2052-10-21T02:22:22Z", "ms": 2613090141955.2812 }, "end": { "local": "2052-10-21T07:14:11+03:00", "utc": "2052-10-21T04:14:11Z", "ms": 2613096851396.633 } }, "covered_min": 112, "window_min": 112, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 15:22 on Sun 20 Oct to 16:31 on Mon 21 Oct.", "fact": "2052-10-20T12:21:45Z → 2052-10-21T13:30:50Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:21–07:12 on the 20th, 05:22–07:14 on the 21st.", "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 111 minutes on the 20th and 112 of 112 on the 21st.", "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 29378 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Moscow, 2052: Monday 21 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": "2052-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-21", "confidence": "determinate" } ], "quote": "In Moscow, Naraka Caturdaśī (Choti Diwali) 2052 falls on Monday 21 October. Caturdaśī runs from 15:22 on Sun 20 Oct to 16:31 on Mon 21 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-21", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2538, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2052-10-21T16:30:50+03:00", "utc": "2052-10-21T13:30:50Z", "ms": 2613130249617.9907 }, "end": { "local": "2052-10-22T18:03:34+03:00", "utc": "2052-10-22T15:03:34Z", "ms": 2613222214034.8765 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-21T16:30:50+03:00", "utc": "2052-10-21T13:30:50Z", "ms": 2613130249617.9907 }, "end": { "local": "2052-10-22T18:03:34+03:00", "utc": "2052-10-22T15:03:34Z", "ms": 2613222214034.8765 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-10-21", "window": { "start": { "local": "2052-10-21T17:13:08+03:00", "utc": "2052-10-21T14:13:08Z", "ms": 2613132787800.4854 }, "end": { "local": "2052-10-21T19:05:33+03:00", "utc": "2052-10-21T16:05:33Z", "ms": 2613139532898.56 } }, "covered_min": 112, "window_min": 112, "qualifies": true }, { "local_date": "2052-10-22", "window": { "start": { "local": "2052-10-22T17:10:46+03:00", "utc": "2052-10-22T14:10:46Z", "ms": 2613219046067.9526 }, "end": { "local": "2052-10-22T19:03:47+03:00", "utc": "2052-10-22T16:03:47Z", "ms": 2613225826720.909 } }, "covered_min": 53, "window_min": 113, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 16:31 on Mon 21 Oct to 18:04 on Tue 22 Oct.", "fact": "2052-10-21T13:30:50Z → 2052-10-22T15:03:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:13–19:06 on the 21st, 17:11–19:04 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 112 of 112 minutes on the 21st and 53 of 113 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 2538 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Moscow, 2052: Monday 21 October.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2052-10-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-21", "confidence": "boundary" } ], "quote": "In Moscow, Lakṣmī Pūjā (Diwali) 2052 falls on Monday 21 October. Amāvasyā runs from 16:31 on Mon 21 Oct to 18:04 on Tue 22 Oct and covers all of pradoṣa that evening. It also reaches the next evening for 53 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/moscow/festivals/2052/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": "/moscow/festivals/2052/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20819, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2052-10-21T16:30:50+03:00", "utc": "2052-10-21T13:30:50Z", "ms": 2613130249617.9907 }, "end": { "local": "2052-10-22T18:03:34+03:00", "utc": "2052-10-22T15:03:34Z", "ms": 2613222214034.8765 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-21T16:30:50+03:00", "utc": "2052-10-21T13:30:50Z", "ms": 2613130249617.9907 }, "end": { "local": "2052-10-22T18:03:34+03:00", "utc": "2052-10-22T15:03:34Z", "ms": 2613222214034.8765 } }, "kaala": "nishita", "days": [ { "local_date": "2052-10-21", "window": { "start": { "local": "2052-10-21T23:50:42+03:00", "utc": "2052-10-21T20:50:42Z", "ms": 2613156641918.2656 }, "end": { "local": "2052-10-22T00:38:42+03:00", "utc": "2052-10-21T21:38:42Z", "ms": 2613159521918.2656 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-10-22", "window": { "start": { "local": "2052-10-22T23:50:34+03:00", "utc": "2052-10-22T20:50:34Z", "ms": 2613243033516.5405 }, "end": { "local": "2052-10-23T00:38:34+03:00", "utc": "2052-10-22T21:38:34Z", "ms": 2613245913516.5405 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 16:31 on Mon 21 Oct to 18:04 on Tue 22 Oct.", "fact": "2052-10-21T13:30:50Z → 2052-10-22T15:03:34Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:51–00:39 on the 21st, 23:51–00:39 on the 22nd.", "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 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20819 s" }, { "step": "ruling", "text": "Kālī Pūjā, Moscow, 2052: Monday 21 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": "2052-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-21", "confidence": "determinate" } ], "quote": "In Moscow, Kālī Pūjā 2052 falls on Monday 21 October. Amāvasyā runs from 16:31 on Mon 21 Oct to 18:04 on Tue 22 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19563, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2052-10-22T18:03:34+03:00", "utc": "2052-10-22T15:03:34Z", "ms": 2613222214034.8765 }, "end": { "local": "2052-10-23T19:57:38+03:00", "utc": "2052-10-23T16:57:38Z", "ms": 2613315457616.062 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-22T18:03:34+03:00", "utc": "2052-10-22T15:03:34Z", "ms": 2613222214034.8765 }, "end": { "local": "2052-10-23T19:57:38+03:00", "utc": "2052-10-23T16:57:38Z", "ms": 2613315457616.062 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-10-22", "window": { "start": { "local": "2052-10-22T11:49:31+03:00", "utc": "2052-10-22T08:49:31Z", "ms": 2613199771051.999 }, "end": { "local": "2052-10-22T12:37:31+03:00", "utc": "2052-10-22T09:37:31Z", "ms": 2613202651051.999 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-10-23", "window": { "start": { "local": "2052-10-23T11:49:23+03:00", "utc": "2052-10-23T08:49:23Z", "ms": 2613286163197.3125 }, "end": { "local": "2052-10-23T12:37:23+03:00", "utc": "2052-10-23T09:37:23Z", "ms": 2613289043197.3125 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:04 on Tue 22 Oct to 19:58 on Wed 23 Oct.", "fact": "2052-10-22T15:03:34Z → 2052-10-23T16:57:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 22nd, 11:49–12:37 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 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 19563 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Moscow, 2052: Wednesday 23 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": "2052-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-23", "confidence": "determinate" } ], "quote": "In Moscow, Govardhana Pūjā 2052 falls on Wednesday 23 October. Pratipadā runs from 18:04 on Tue 22 Oct to 19:58 on Wed 23 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-23", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 3168, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2052-10-22T18:03:34+03:00", "utc": "2052-10-22T15:03:34Z", "ms": 2613222214034.8765 }, "end": { "local": "2052-10-23T19:57:38+03:00", "utc": "2052-10-23T16:57:38Z", "ms": 2613315457616.062 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-22T18:03:34+03:00", "utc": "2052-10-22T15:03:34Z", "ms": 2613222214034.8765 }, "end": { "local": "2052-10-23T19:57:38+03:00", "utc": "2052-10-23T16:57:38Z", "ms": 2613315457616.062 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-10-22", "window": { "start": { "local": "2052-10-22T17:10:46+03:00", "utc": "2052-10-22T14:10:46Z", "ms": 2613219046067.9526 }, "end": { "local": "2052-10-22T19:03:47+03:00", "utc": "2052-10-22T16:03:47Z", "ms": 2613225826720.909 } }, "covered_min": 60, "window_min": 113, "qualifies": true }, { "local_date": "2052-10-23", "window": { "start": { "local": "2052-10-23T17:08:25+03:00", "utc": "2052-10-23T14:08:25Z", "ms": 2613305305429.497 }, "end": { "local": "2052-10-23T19:02:02+03:00", "utc": "2052-10-23T16:02:02Z", "ms": 2613312121527.4805 } }, "covered_min": 114, "window_min": 114, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:04 on Tue 22 Oct to 19:58 on Wed 23 Oct.", "fact": "2052-10-22T15:03:34Z → 2052-10-23T16:57:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–19:04 on the 22nd, 17:08–19:02 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 60 of 113 minutes on the 22nd and 114 of 114 on the 23rd.", "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 3168 s" }, { "step": "ruling", "text": "Bali Pūjā, Moscow, 2052: Wednesday 23 October.", "fact": "confidence: boundary (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": "2052-10-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-23", "confidence": "boundary" } ], "quote": "In Moscow, Bali Pūjā 2052 falls on Wednesday 23 October. Pratipadā runs from 18:04 on Tue 22 Oct to 19:58 on Wed 23 Oct and covers all of pradoṣa that evening. It also reaches the previous evening for 60 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/moscow/festivals/2052/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": "/moscow/festivals/2052/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26948, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2052-10-22T18:03:34+03:00", "utc": "2052-10-22T15:03:34Z", "ms": 2613222214034.8765 }, "end": { "local": "2052-10-23T19:57:38+03:00", "utc": "2052-10-23T16:57:38Z", "ms": 2613315457616.062 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-22T18:03:34+03:00", "utc": "2052-10-22T15:03:34Z", "ms": 2613222214034.8765 }, "end": { "local": "2052-10-23T19:57:38+03:00", "utc": "2052-10-23T16:57:38Z", "ms": 2613315457616.062 } }, "kaala": "purvahna", "days": [ { "local_date": "2052-10-22", "window": { "start": { "local": "2052-10-22T07:16:16+03:00", "utc": "2052-10-22T04:16:16Z", "ms": 2613183376036.046 }, "end": { "local": "2052-10-22T10:34:26+03:00", "utc": "2052-10-22T07:34:26Z", "ms": 2613195266046.6816 } }, "covered_min": 0, "window_min": 198, "qualifies": false }, { "local_date": "2052-10-23", "window": { "start": { "local": "2052-10-23T07:18:21+03:00", "utc": "2052-10-23T04:18:21Z", "ms": 2613269900965.1284 }, "end": { "local": "2052-10-23T10:35:02+03:00", "utc": "2052-10-23T07:35:02Z", "ms": 2613281702453.2515 } }, "covered_min": 197, "window_min": 197, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 18:04 on Tue 22 Oct to 19:58 on Wed 23 Oct.", "fact": "2052-10-22T15:03:34Z → 2052-10-23T16:57:38Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:16–10:34 on the 22nd, 07:18–10:35 on the 23rd.", "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 198 minutes on the 22nd and 197 of 197 on the 23rd.", "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 26948 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Moscow, 2052: Wednesday 23 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": "2052-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-23", "confidence": "determinate" } ], "quote": "In Moscow, Dyūta Pratipad 2052 falls on Wednesday 23 October. Pratipadā runs from 18:04 on Tue 22 Oct to 19:58 on Wed 23 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26414, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2052-10-23T19:57:38+03:00", "utc": "2052-10-23T16:57:38Z", "ms": 2613315457616.062 }, "end": { "local": "2052-10-24T22:09:51+03:00", "utc": "2052-10-24T19:09:51Z", "ms": 2613409791118.193 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-23T19:57:38+03:00", "utc": "2052-10-23T16:57:38Z", "ms": 2613315457616.062 }, "end": { "local": "2052-10-24T22:09:51+03:00", "utc": "2052-10-24T19:09:51Z", "ms": 2613409791118.193 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-10-23", "window": { "start": { "local": "2052-10-23T11:49:23+03:00", "utc": "2052-10-23T08:49:23Z", "ms": 2613286163197.3125 }, "end": { "local": "2052-10-23T12:37:23+03:00", "utc": "2052-10-23T09:37:23Z", "ms": 2613289043197.3125 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-10-24", "window": { "start": { "local": "2052-10-24T11:49:16+03:00", "utc": "2052-10-24T08:49:16Z", "ms": 2613372556045.6543 }, "end": { "local": "2052-10-24T12:37:16+03:00", "utc": "2052-10-24T09:37:16Z", "ms": 2613375436045.6543 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 19:58 on Wed 23 Oct to 22:10 on Thu 24 Oct.", "fact": "2052-10-23T16:57:38Z → 2052-10-24T19:09:51Z" }, { "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": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26414 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Moscow, 2052: Thursday 24 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": "2052-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-24", "confidence": "determinate" } ], "quote": "In Moscow, Yama Dvitīyā (Bhai Dooj) 2052 falls on Thursday 24 October. Dvitīyā runs from 19:58 on Wed 23 Oct to 22:10 on Thu 24 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31228, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-10-26T00:35:40+03:00", "utc": "2052-10-25T21:35:40Z", "ms": 2613504939696.1147 }, "end": { "local": "2052-10-27T03:08:30+03:00", "utc": "2052-10-27T00:08:30Z", "ms": 2613600510451.807 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-26T00:35:40+03:00", "utc": "2052-10-25T21:35:40Z", "ms": 2613504939696.1147 }, "end": { "local": "2052-10-27T03:08:30+03:00", "utc": "2052-10-27T00:08:30Z", "ms": 2613600510451.807 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-10-26", "window": { "start": { "local": "2052-10-26T11:49:04+03:00", "utc": "2052-10-26T08:49:04Z", "ms": 2613545343894.427 }, "end": { "local": "2052-10-26T12:37:04+03:00", "utc": "2052-10-26T09:37:04Z", "ms": 2613548223894.427 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-10-27", "window": { "start": { "local": "2052-10-27T11:48:59+03:00", "utc": "2052-10-27T08:48:59Z", "ms": 2613631738915.696 }, "end": { "local": "2052-10-27T12:36:59+03:00", "utc": "2052-10-27T09:36:59Z", "ms": 2613634618915.696 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:36 on Sat 26 Oct to 03:09 on Sun 27 Oct.", "fact": "2052-10-25T21:35:40Z → 2052-10-27T00:08:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 26th, 11:49–12:37 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 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31228 s" }, { "step": "ruling", "text": "Nāga Caturthī, Moscow, 2052: Saturday 26 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": "2052-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-26", "confidence": "determinate" } ], "quote": "In Moscow, Nāga Caturthī 2052 falls on Saturday 26 October. Caturthī runs from 00:36 on Sat 26 Oct to 03:09 on Sun 27 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/vinayaka-chaturthi?on=2052-10-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31228, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-10-26T00:35:40+03:00", "utc": "2052-10-25T21:35:40Z", "ms": 2613504939696.1147 }, "end": { "local": "2052-10-27T03:08:30+03:00", "utc": "2052-10-27T00:08:30Z", "ms": 2613600510451.807 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-26T00:35:40+03:00", "utc": "2052-10-25T21:35:40Z", "ms": 2613504939696.1147 }, "end": { "local": "2052-10-27T03:08:30+03:00", "utc": "2052-10-27T00:08:30Z", "ms": 2613600510451.807 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-10-26", "window": { "start": { "local": "2052-10-26T11:49:04+03:00", "utc": "2052-10-26T08:49:04Z", "ms": 2613545343894.427 }, "end": { "local": "2052-10-26T12:37:04+03:00", "utc": "2052-10-26T09:37:04Z", "ms": 2613548223894.427 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-10-27", "window": { "start": { "local": "2052-10-27T11:48:59+03:00", "utc": "2052-10-27T08:48:59Z", "ms": 2613631738915.696 }, "end": { "local": "2052-10-27T12:36:59+03:00", "utc": "2052-10-27T09:36:59Z", "ms": 2613634618915.696 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:36 on Sat 26 Oct to 03:09 on Sun 27 Oct.", "fact": "2052-10-25T21:35:40Z → 2052-10-27T00:08:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 26th, 11:49–12:37 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 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31228 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2052: Saturday 26 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": "2052-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-26", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2052 falls on Saturday 26 October. Caturthī runs from 00:36 on Sat 26 Oct to 03:09 on Sun 27 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/vinayaka-chaturthi?on=2052-10-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13815, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2052-10-28T05:39:40+03:00", "utc": "2052-10-28T02:39:40Z", "ms": 2613695980041.375 }, "end": { "local": "2052-10-29T07:58:36+03:00", "utc": "2052-10-29T04:58:36Z", "ms": 2613790716427.7817 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-28T05:39:40+03:00", "utc": "2052-10-28T02:39:40Z", "ms": 2613695980041.375 }, "end": { "local": "2052-10-29T07:58:36+03:00", "utc": "2052-10-29T04:58:36Z", "ms": 2613790716427.7817 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-10-28", "window": { "start": { "local": "2052-10-28T11:48:55+03:00", "utc": "2052-10-28T08:48:55Z", "ms": 2613718134681.697 }, "end": { "local": "2052-10-28T12:36:55+03:00", "utc": "2052-10-28T09:36:55Z", "ms": 2613721014681.697 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-10-29", "window": { "start": { "local": "2052-10-29T11:48:51+03:00", "utc": "2052-10-29T08:48:51Z", "ms": 2613804531202.235 }, "end": { "local": "2052-10-29T12:36:51+03:00", "utc": "2052-10-29T09:36:51Z", "ms": 2613807411202.235 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 05:40 on Mon 28 Oct to 07:59 on Tue 29 Oct.", "fact": "2052-10-28T02:39:40Z → 2052-10-29T04:58:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 28th, 11:49–12:37 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 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13815 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Moscow, 2052: Monday 28 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": "2052-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-28", "confidence": "determinate" } ], "quote": "In Moscow, Sūrya Ṣaṣṭhī (Chhath) 2052 falls on Monday 28 October. Ṣaṣṭhī runs from 05:40 on Mon 28 Oct to 07:59 on Tue 29 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2018, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2052-10-30T09:53:59+03:00", "utc": "2052-10-30T06:53:59Z", "ms": 2613884039381.414 }, "end": { "local": "2052-10-31T11:15:09+03:00", "utc": "2052-10-31T08:15:09Z", "ms": 2613975308807.0693 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-30T09:53:59+03:00", "utc": "2052-10-30T06:53:59Z", "ms": 2613884039381.414 }, "end": { "local": "2052-10-31T11:15:09+03:00", "utc": "2052-10-31T08:15:09Z", "ms": 2613975308807.0693 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-10-30", "window": { "start": { "local": "2052-10-30T11:48:48+03:00", "utc": "2052-10-30T08:48:48Z", "ms": 2613890928486.8867 }, "end": { "local": "2052-10-30T12:36:48+03:00", "utc": "2052-10-30T09:36:48Z", "ms": 2613893808486.8867 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-10-31", "window": { "start": { "local": "2052-10-31T11:48:47+03:00", "utc": "2052-10-31T08:48:47Z", "ms": 2613977326545.033 }, "end": { "local": "2052-10-31T12:36:47+03:00", "utc": "2052-10-31T09:36:47Z", "ms": 2613980206545.033 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:54 on Wed 30 Oct to 11:15 on Thu 31 Oct.", "fact": "2052-10-30T06:53:59Z → 2052-10-31T08:15:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 30th, 11:49–12:37 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī 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: unstated → only-day · margin 2018 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Moscow, 2052: Wednesday 30 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": "2052-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-30", "confidence": "boundary" } ], "quote": "In Moscow, Gopāṣṭamī 2052 falls on Wednesday 30 October. Aṣṭamī runs from 09:54 on Wed 30 Oct to 11:15 on Thu 31 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-10-31", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 291, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2052-10-31T11:15:09+03:00", "utc": "2052-10-31T08:15:09Z", "ms": 2613975308807.0693 }, "end": { "local": "2052-11-01T11:53:36+03:00", "utc": "2052-11-01T08:53:36Z", "ms": 2614064016414.5654 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-31T11:15:09+03:00", "utc": "2052-10-31T08:15:09Z", "ms": 2613975308807.0693 }, "end": { "local": "2052-11-01T11:53:36+03:00", "utc": "2052-11-01T08:53:36Z", "ms": 2614064016414.5654 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-10-31", "window": { "start": { "local": "2052-10-31T11:48:47+03:00", "utc": "2052-10-31T08:48:47Z", "ms": 2613977326545.033 }, "end": { "local": "2052-10-31T12:36:47+03:00", "utc": "2052-10-31T09:36:47Z", "ms": 2613980206545.033 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-11-01", "window": { "start": { "local": "2052-11-01T11:48:45+03:00", "utc": "2052-11-01T08:48:45Z", "ms": 2614063725385.9287 }, "end": { "local": "2052-11-01T12:36:45+03:00", "utc": "2052-11-01T09:36:45Z", "ms": 2614066605385.9287 } }, "covered_min": 5, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Navamī runs from 11:15 on Thu 31 Oct to 11:54 on Fri 1 Nov.", "fact": "2052-10-31T08:15:09Z → 2052-11-01T08:53:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 31st, 11:49–12:37 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 48 of 48 minutes on the 31st and 5 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 291 s < 300 s" }, { "step": "ruling", "text": "Durgā Navamī, Moscow, 2052: Thursday 31 October.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-10-31", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-10-31", "confidence": "boundary" } ], "quote": "In Moscow, Durgā Navamī 2052 falls on Thursday 31 October. Navamī runs from 11:15 on Thu 31 Oct to 11:54 on Fri 1 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 5 minutes; by the rule the first midday is taken. It is 4 min 51 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2095, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2052-10-31T11:15:09+03:00", "utc": "2052-10-31T08:15:09Z", "ms": 2613975308807.0693 }, "end": { "local": "2052-11-01T11:53:36+03:00", "utc": "2052-11-01T08:53:36Z", "ms": 2614064016414.5654 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-10-31T11:15:09+03:00", "utc": "2052-10-31T08:15:09Z", "ms": 2613975308807.0693 }, "end": { "local": "2052-11-01T11:53:36+03:00", "utc": "2052-11-01T08:53:36Z", "ms": 2614064016414.5654 } }, "kaala": "purvahna", "days": [ { "local_date": "2052-10-31", "window": { "start": { "local": "2052-10-31T07:35:08+03:00", "utc": "2052-10-31T04:35:08Z", "ms": 2613962108067.6807 }, "end": { "local": "2052-10-31T10:40:14+03:00", "utc": "2052-10-31T07:40:14Z", "ms": 2613973213719.249 } }, "covered_min": 0, "window_min": 185, "qualifies": false }, { "local_date": "2052-11-01", "window": { "start": { "local": "2052-11-01T07:37:14+03:00", "utc": "2052-11-01T04:37:14Z", "ms": 2614048634487.607 }, "end": { "local": "2052-11-01T10:40:55+03:00", "utc": "2052-11-01T07:40:55Z", "ms": 2614059655086.4883 } }, "covered_min": 184, "window_min": 184, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 11:15 on Thu 31 Oct to 11:54 on Fri 1 Nov.", "fact": "2052-10-31T08:15:09Z → 2052-11-01T08:53:36Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:35–10:40 on the 31st, 07:37–10:41 on the 1st.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 0 of 185 minutes on the 31st and 184 of 184 on the 1st.", "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 2095 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Moscow, 2052: Friday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-11-01", "confidence": "determinate" } ], "quote": "In Moscow, Akṣaya Navamī (Amla Navami) 2052 falls on Friday 1 November. Navamī runs from 11:15 on Thu 31 Oct to 11:54 on Fri 1 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ekadashi?on=2052-11-03", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11055, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-11-02T11:44:14+03:00", "utc": "2052-11-02T08:44:14Z", "ms": 2614149854011.4365 }, "end": { "local": "2052-11-03T10:45:43+03:00", "utc": "2052-11-03T07:45:43Z", "ms": 2614232742721.341 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-11-02T11:44:14+03:00", "utc": "2052-11-02T08:44:14Z", "ms": 2614149854011.4365 }, "end": { "local": "2052-11-03T10:45:43+03:00", "utc": "2052-11-03T07:45:43Z", "ms": 2614232742721.341 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-11-02", "window": { "start": { "local": "2052-11-02T07:39:21+03:00", "utc": "2052-11-02T04:39:21Z", "ms": 2614135160913.1074 }, "end": { "local": "2052-11-02T07:39:21+03:00", "utc": "2052-11-02T04:39:21Z", "ms": 2614135160913.1074 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-11-03", "window": { "start": { "local": "2052-11-03T07:41:27+03:00", "utc": "2052-11-03T04:41:27Z", "ms": 2614221687305.636 }, "end": { "local": "2052-11-03T07:41:27+03:00", "utc": "2052-11-03T04:41:27Z", "ms": 2614221687305.636 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:44 on Sat 2 Nov to 10:46 on Sun 3 Nov.", "fact": "2052-11-02T08:44:14Z → 2052-11-03T07:45:43Z" }, { "step": "kaala", "text": "Sunrise is at 07:39 on the 2nd and 07:41 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11055 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Moscow, 2052: Sunday 3 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-11-03", "confidence": "determinate" } ], "quote": "In Moscow, Prabodhinī Ekādaśī 2052 falls on Sunday 3 November. Ekādaśī runs from 11:44 on Sat 2 Nov to 10:46 on Sun 3 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-11-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/pradosha-vrata?on=2052-11-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27696, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-11-04T09:00:24+03:00", "utc": "2052-11-04T06:00:24Z", "ms": 2614312823896.5923 }, "end": { "local": "2052-11-05T06:33:44+03:00", "utc": "2052-11-05T03:33:44Z", "ms": 2614390424246.8076 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-11-04T09:00:24+03:00", "utc": "2052-11-04T06:00:24Z", "ms": 2614312823896.5923 }, "end": { "local": "2052-11-05T06:33:44+03:00", "utc": "2052-11-05T03:33:44Z", "ms": 2614390424246.8076 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-11-04", "window": { "start": { "local": "2052-11-04T16:42:00+03:00", "utc": "2052-11-04T13:42:00Z", "ms": 2614340519770.6753 }, "end": { "local": "2052-11-04T18:42:29+03:00", "utc": "2052-11-04T15:42:29Z", "ms": 2614347749112.194 } }, "covered_min": 120, "window_min": 120, "qualifies": true }, { "local_date": "2052-11-05", "window": { "start": { "local": "2052-11-05T16:39:58+03:00", "utc": "2052-11-05T13:39:58Z", "ms": 2614426797695.853 }, "end": { "local": "2052-11-05T18:41:00+03:00", "utc": "2052-11-05T15:41:00Z", "ms": 2614434060120.909 } }, "covered_min": 0, "window_min": 121, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:00 on Mon 4 Nov to 06:34 on Tue 5 Nov.", "fact": "2052-11-04T06:00:24Z → 2052-11-05T03:33:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:42–18:42 on the 4th, 16:40–18:41 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 120 of 120 minutes on the 4th and 0 of 121 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 27696 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2052: Monday 4 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": "2052-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-11-04", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2052 falls on Monday 4 November. Trayodaśī runs from 09:00 on Mon 4 Nov to 06:34 on Tue 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-11-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29721, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2052-11-06T03:33:30+03:00", "utc": "2052-11-06T00:33:30Z", "ms": 2614466010454.5874 }, "end": { "local": "2052-11-07T00:09:05+03:00", "utc": "2052-11-06T21:09:05Z", "ms": 2614540144647.1475 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-11-06T03:33:30+03:00", "utc": "2052-11-06T00:33:30Z", "ms": 2614466010454.5874 }, "end": { "local": "2052-11-07T00:09:05+03:00", "utc": "2052-11-06T21:09:05Z", "ms": 2614540144647.1475 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-11-06", "window": { "start": { "local": "2052-11-06T11:48:52+03:00", "utc": "2052-11-06T08:48:52Z", "ms": 2614495731660.796 }, "end": { "local": "2052-11-06T12:36:52+03:00", "utc": "2052-11-06T09:36:52Z", "ms": 2614498611660.796 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-11-07", "window": { "start": { "local": "2052-11-07T11:48:55+03:00", "utc": "2052-11-07T08:48:55Z", "ms": 2614582135398.818 }, "end": { "local": "2052-11-07T12:36:55+03:00", "utc": "2052-11-07T09:36:55Z", "ms": 2614585015398.818 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:34 on Wed 6 Nov to 00:09 on Thu 7 Nov.", "fact": "2052-11-06T00:33:30Z → 2052-11-06T21:09:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 6th, 11:49–12:37 on the 7th.", "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 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29721 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Moscow, 2052: Wednesday 6 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": "2052-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-11-06", "confidence": "determinate" } ], "quote": "In Moscow, Kārtikī Pūrṇimā 2052 falls on Wednesday 6 November. Pūrṇimā runs from 03:34 on Wed 6 Nov to 00:09 on Thu 7 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1150, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2052-11-06T03:33:30+03:00", "utc": "2052-11-06T00:33:30Z", "ms": 2614466010454.5874 }, "end": { "local": "2052-11-07T00:09:05+03:00", "utc": "2052-11-06T21:09:05Z", "ms": 2614540144647.1475 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2052-11-06T03:33:30+03:00", "utc": "2052-11-06T00:33:30Z", "ms": 2614466010454.5874 }, "end": { "local": "2052-11-07T00:09:05+03:00", "utc": "2052-11-06T21:09:05Z", "ms": 2614540144647.1475 } }, "kaala": "nishita", "days": [ { "local_date": "2052-11-05", "window": { "start": { "local": "2052-11-05T23:49:52+03:00", "utc": "2052-11-05T20:49:52Z", "ms": 2614452591789.8135 }, "end": { "local": "2052-11-06T00:37:52+03:00", "utc": "2052-11-05T21:37:52Z", "ms": 2614455471789.8135 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-11-06", "window": { "start": { "local": "2052-11-06T23:49:55+03:00", "utc": "2052-11-06T20:49:55Z", "ms": 2614538994587.684 }, "end": { "local": "2052-11-07T00:37:55+03:00", "utc": "2052-11-06T21:37:55Z", "ms": 2614541874587.684 } }, "covered_min": 19, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:34 on Wed 6 Nov to 00:09 on Thu 7 Nov.", "fact": "2052-11-06T00:33:30Z → 2052-11-06T21:09:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:50–00:38 on the 5th, 23:50–00:38 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 5th and 19 of 48 on the 6th.", "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 1150 s" }, { "step": "ruling", "text": "Rāsayātrā, Moscow, 2052: Wednesday 6 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": "2052-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-11-06", "confidence": "determinate" } ], "quote": "In Moscow, Rāsayātrā 2052 falls on Wednesday 6 November. Pūrṇimā runs from 03:34 on Wed 6 Nov to 00:09 on Thu 7 Nov and covers 19 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/sankashta-chaturthi?on=2052-11-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21182, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-11-09T13:15:27+03:00", "utc": "2052-11-09T10:15:27Z", "ms": 2614760127262.1987 }, "end": { "local": "2052-11-10T09:59:22+03:00", "utc": "2052-11-10T06:59:22Z", "ms": 2614834762190.5366 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-11-09T13:15:27+03:00", "utc": "2052-11-09T10:15:27Z", "ms": 2614760127262.1987 }, "end": { "local": "2052-11-10T09:59:22+03:00", "utc": "2052-11-10T06:59:22Z", "ms": 2614834762190.5366 } }, "kaala": "moonrise", "days": [ { "local_date": "2052-11-09", "window": { "start": { "local": "2052-11-09T19:08:29+03:00", "utc": "2052-11-09T16:08:29Z", "ms": 2614781309395.1025 }, "end": { "local": "2052-11-09T19:08:29+03:00", "utc": "2052-11-09T16:08:29Z", "ms": 2614781309395.1025 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-11-10", "window": { "start": { "local": "2052-11-10T20:13:03+03:00", "utc": "2052-11-10T17:13:03Z", "ms": 2614871582629.032 }, "end": { "local": "2052-11-10T20:13:03+03:00", "utc": "2052-11-10T17:13:03Z", "ms": 2614871582629.032 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:15 on Sat 9 Nov to 09:59 on Sun 10 Nov.", "fact": "2052-11-09T10:15:27Z → 2052-11-10T06:59:22Z" }, { "step": "kaala", "text": "Moonrise is at 19:08 on the 9th and 20:13 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is 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": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21182 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2052: Saturday 9 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": "2052-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-11-09", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2052 falls on Saturday 9 November. Caturthī runs from 13:15 on Sat 9 Nov to 09:59 on Sun 10 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/sankashta-chaturthi?on=2052-11-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/ekadashi?on=2052-11-16", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15155, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-11-16T02:52:17+03:00", "utc": "2052-11-15T23:52:17Z", "ms": 2615327537199.947 }, "end": { "local": "2052-11-17T03:57:52+03:00", "utc": "2052-11-17T00:57:52Z", "ms": 2615417872276.808 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-11-16T02:52:17+03:00", "utc": "2052-11-15T23:52:17Z", "ms": 2615327537199.947 }, "end": { "local": "2052-11-17T03:57:52+03:00", "utc": "2052-11-17T00:57:52Z", "ms": 2615417872276.808 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-11-16", "window": { "start": { "local": "2052-11-16T08:08:27+03:00", "utc": "2052-11-16T05:08:27Z", "ms": 2615346506548.3145 }, "end": { "local": "2052-11-16T08:08:27+03:00", "utc": "2052-11-16T05:08:27Z", "ms": 2615346506548.3145 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-11-17", "window": { "start": { "local": "2052-11-17T08:10:27+03:00", "utc": "2052-11-17T05:10:27Z", "ms": 2615433027181.7407 }, "end": { "local": "2052-11-17T08:10:27+03:00", "utc": "2052-11-17T05:10:27Z", "ms": 2615433027181.7407 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:52 on Sat 16 Nov to 03:58 on Sun 17 Nov.", "fact": "2052-11-15T23:52:17Z → 2052-11-17T00:57:52Z" }, { "step": "kaala", "text": "Sunrise is at 08:08 on the 16th and 08:10 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15155 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Moscow, 2052: Saturday 16 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": "2052-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-11-16", "confidence": "determinate" } ], "quote": "In Moscow, Utpannā Ekādaśī 2052 falls on Saturday 16 November. Ekādaśī runs from 02:52 on Sat 16 Nov to 03:58 on Sun 17 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-11-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/pradosha-vrata?on=2052-11-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-11-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31657, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-11-18T05:31:46+03:00", "utc": "2052-11-18T02:31:46Z", "ms": 2615509905881.195 }, "end": { "local": "2052-11-19T07:27:33+03:00", "utc": "2052-11-19T04:27:33Z", "ms": 2615603253049.692 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-11-18T05:31:46+03:00", "utc": "2052-11-18T02:31:46Z", "ms": 2615509905881.195 }, "end": { "local": "2052-11-19T07:27:33+03:00", "utc": "2052-11-19T04:27:33Z", "ms": 2615603253049.692 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-11-18", "window": { "start": { "local": "2052-11-18T16:16:40+03:00", "utc": "2052-11-18T13:16:40Z", "ms": 2615548600469.686 }, "end": { "local": "2052-11-18T18:24:22+03:00", "utc": "2052-11-18T15:24:22Z", "ms": 2615556262477.4053 } }, "covered_min": 128, "window_min": 128, "qualifies": true }, { "local_date": "2052-11-19", "window": { "start": { "local": "2052-11-19T16:15:10+03:00", "utc": "2052-11-19T13:15:10Z", "ms": 2615634910018.658 }, "end": { "local": "2052-11-19T18:23:20+03:00", "utc": "2052-11-19T15:23:20Z", "ms": 2615642599756.5957 } }, "covered_min": 0, "window_min": 128, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:32 on Mon 18 Nov to 07:28 on Tue 19 Nov.", "fact": "2052-11-18T02:31:46Z → 2052-11-19T04:27:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:17–18:24 on the 18th, 16:15–18:23 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 128 of 128 minutes on the 18th and 0 of 128 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 31657 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2052: Monday 18 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": "2052-11-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-11-18", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2052 falls on Monday 18 November. Trayodaśī runs from 05:32 on Mon 18 Nov to 07:28 on Tue 19 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-11-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/shivaratri?on=2052-11-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24480, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2052-11-19T07:27:33+03:00", "utc": "2052-11-19T04:27:33Z", "ms": 2615603253049.692 }, "end": { "local": "2052-11-20T09:39:28+03:00", "utc": "2052-11-20T06:39:28Z", "ms": 2615697567832.0474 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-11-19T07:27:33+03:00", "utc": "2052-11-19T04:27:33Z", "ms": 2615603253049.692 }, "end": { "local": "2052-11-20T09:39:28+03:00", "utc": "2052-11-20T06:39:28Z", "ms": 2615697567832.0474 } }, "kaala": "nishita", "days": [ { "local_date": "2052-11-18", "window": { "start": { "local": "2052-11-18T23:51:33+03:00", "utc": "2052-11-18T20:51:33Z", "ms": 2615575892998.633 }, "end": { "local": "2052-11-19T00:39:33+03:00", "utc": "2052-11-18T21:39:33Z", "ms": 2615578772998.633 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-11-19", "window": { "start": { "local": "2052-11-19T23:51:47+03:00", "utc": "2052-11-19T20:51:47Z", "ms": 2615662306535.924 }, "end": { "local": "2052-11-20T00:39:47+03:00", "utc": "2052-11-19T21:39:47Z", "ms": 2615665186535.924 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 07:28 on Tue 19 Nov to 09:39 on Wed 20 Nov.", "fact": "2052-11-19T04:27:33Z → 2052-11-20T06:39:28Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:52–00:40 on the 18th, 23:52–00:40 on the 19th.", "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 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24480 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2052: Tuesday 19 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": "2052-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-11-19", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2052 falls on Tuesday 19 November. Caturdaśī runs from 07:28 on Tue 19 Nov to 09:39 on Wed 20 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2052/shivaratri?on=2052-11-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/vinayaka-chaturthi?on=2052-11-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25059, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-11-24T19:37:50+03:00", "utc": "2052-11-24T16:37:50Z", "ms": 2616079069554.6743 }, "end": { "local": "2052-11-25T22:01:08+03:00", "utc": "2052-11-25T19:01:08Z", "ms": 2616174068185.596 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-11-24T19:37:50+03:00", "utc": "2052-11-24T16:37:50Z", "ms": 2616079069554.6743 }, "end": { "local": "2052-11-25T22:01:08+03:00", "utc": "2052-11-25T19:01:08Z", "ms": 2616174068185.596 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-11-24", "window": { "start": { "local": "2052-11-24T11:52:10+03:00", "utc": "2052-11-24T08:52:10Z", "ms": 2616051130446.8184 }, "end": { "local": "2052-11-24T12:40:10+03:00", "utc": "2052-11-24T09:40:10Z", "ms": 2616054010446.8184 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-11-25", "window": { "start": { "local": "2052-11-25T11:52:29+03:00", "utc": "2052-11-25T08:52:29Z", "ms": 2616137549308.8164 }, "end": { "local": "2052-11-25T12:40:29+03:00", "utc": "2052-11-25T09:40:29Z", "ms": 2616140429308.8164 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 19:38 on Sun 24 Nov to 22:01 on Mon 25 Nov.", "fact": "2052-11-24T16:37:50Z → 2052-11-25T19:01:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 24th, 11:52–12:40 on the 25th.", "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 24th and 48 of 48 on the 25th.", "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 25059 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2052: Monday 25 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": "2052-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-11-25", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2052 falls on Monday 25 November. Caturthī runs from 19:38 on Sun 24 Nov to 22:01 on Mon 25 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/vinayaka-chaturthi?on=2052-11-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33639, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2052-11-25T22:01:08+03:00", "utc": "2052-11-25T19:01:08Z", "ms": 2616174068185.596 }, "end": { "local": "2052-11-27T00:08:23+03:00", "utc": "2052-11-26T21:08:23Z", "ms": 2616268103026.2104 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-11-25T22:01:08+03:00", "utc": "2052-11-25T19:01:08Z", "ms": 2616174068185.596 }, "end": { "local": "2052-11-27T00:08:23+03:00", "utc": "2052-11-26T21:08:23Z", "ms": 2616268103026.2104 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-11-25", "window": { "start": { "local": "2052-11-25T11:52:29+03:00", "utc": "2052-11-25T08:52:29Z", "ms": 2616137549308.8164 }, "end": { "local": "2052-11-25T12:40:29+03:00", "utc": "2052-11-25T09:40:29Z", "ms": 2616140429308.8164 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-11-26", "window": { "start": { "local": "2052-11-26T11:52:49+03:00", "utc": "2052-11-26T08:52:49Z", "ms": 2616223968906.7188 }, "end": { "local": "2052-11-26T12:40:49+03:00", "utc": "2052-11-26T09:40:49Z", "ms": 2616226848906.7188 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 22:01 on Mon 25 Nov to 00:08 on Wed 27 Nov.", "fact": "2052-11-25T19:01:08Z → 2052-11-26T21:08:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 25th, 11:53–12:41 on the 26th.", "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 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 33639 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Moscow, 2052: Tuesday 26 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": "2052-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-11-26", "confidence": "determinate" } ], "quote": "In Moscow, Nāga Pañcamī (Mārgaśīrṣa) 2052 falls on Tuesday 26 November. Pañcamī runs from 22:01 on Mon 25 Nov to 00:08 on Wed 27 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36181, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2052-11-27T00:08:23+03:00", "utc": "2052-11-26T21:08:23Z", "ms": 2616268103026.2104 }, "end": { "local": "2052-11-28T01:50:29+03:00", "utc": "2052-11-27T22:50:29Z", "ms": 2616360629488.77 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-11-27T00:08:23+03:00", "utc": "2052-11-26T21:08:23Z", "ms": 2616268103026.2104 }, "end": { "local": "2052-11-28T01:50:29+03:00", "utc": "2052-11-27T22:50:29Z", "ms": 2616360629488.77 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-11-27", "window": { "start": { "local": "2052-11-27T11:53:09+03:00", "utc": "2052-11-27T08:53:09Z", "ms": 2616310389221.675 }, "end": { "local": "2052-11-27T12:41:09+03:00", "utc": "2052-11-27T09:41:09Z", "ms": 2616313269221.675 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-11-28", "window": { "start": { "local": "2052-11-28T11:53:30+03:00", "utc": "2052-11-28T08:53:30Z", "ms": 2616396810234.086 }, "end": { "local": "2052-11-28T12:41:30+03:00", "utc": "2052-11-28T09:41:30Z", "ms": 2616399690234.086 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 00:08 on Wed 27 Nov to 01:50 on Thu 28 Nov.", "fact": "2052-11-26T21:08:23Z → 2052-11-27T22:50:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 27th, 11:54–12:42 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: paraviddha → only-day · margin 36181 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Moscow, 2052: Wednesday 27 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": "2052-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-11-27", "confidence": "determinate" } ], "quote": "In Moscow, Campā Ṣaṣṭhī 2052 falls on Wednesday 27 November. Ṣaṣṭhī runs from 00:08 on Wed 27 Nov to 01:50 on Thu 28 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36181, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2052-11-27T00:08:23+03:00", "utc": "2052-11-26T21:08:23Z", "ms": 2616268103026.2104 }, "end": { "local": "2052-11-28T01:50:29+03:00", "utc": "2052-11-27T22:50:29Z", "ms": 2616360629488.77 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-11-27T00:08:23+03:00", "utc": "2052-11-26T21:08:23Z", "ms": 2616268103026.2104 }, "end": { "local": "2052-11-28T01:50:29+03:00", "utc": "2052-11-27T22:50:29Z", "ms": 2616360629488.77 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-11-27", "window": { "start": { "local": "2052-11-27T11:53:09+03:00", "utc": "2052-11-27T08:53:09Z", "ms": 2616310389221.675 }, "end": { "local": "2052-11-27T12:41:09+03:00", "utc": "2052-11-27T09:41:09Z", "ms": 2616313269221.675 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-11-28", "window": { "start": { "local": "2052-11-28T11:53:30+03:00", "utc": "2052-11-28T08:53:30Z", "ms": 2616396810234.086 }, "end": { "local": "2052-11-28T12:41:30+03:00", "utc": "2052-11-28T09:41:30Z", "ms": 2616399690234.086 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 00:08 on Wed 27 Nov to 01:50 on Thu 28 Nov.", "fact": "2052-11-26T21:08:23Z → 2052-11-27T22:50:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 27th, 11:54–12:42 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: purvaviddha → only-day · margin 36181 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Moscow, 2052: Wednesday 27 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": "2052-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-11-27", "confidence": "determinate" } ], "quote": "In Moscow, Skanda Ṣaṣṭhī 2052 falls on Wednesday 27 November. Ṣaṣṭhī runs from 00:08 on Wed 27 Nov to 01:50 on Thu 28 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32136, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2052-11-28T01:50:29+03:00", "utc": "2052-11-27T22:50:29Z", "ms": 2616360629488.77 }, "end": { "local": "2052-11-29T02:58:16+03:00", "utc": "2052-11-28T23:58:16Z", "ms": 2616451095648.36 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-11-28T01:50:29+03:00", "utc": "2052-11-27T22:50:29Z", "ms": 2616360629488.77 }, "end": { "local": "2052-11-29T02:58:16+03:00", "utc": "2052-11-28T23:58:16Z", "ms": 2616451095648.36 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-11-28", "window": { "start": { "local": "2052-11-28T11:53:30+03:00", "utc": "2052-11-28T08:53:30Z", "ms": 2616396810234.086 }, "end": { "local": "2052-11-28T12:41:30+03:00", "utc": "2052-11-28T09:41:30Z", "ms": 2616399690234.086 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2052-11-29", "window": { "start": { "local": "2052-11-29T11:53:52+03:00", "utc": "2052-11-29T08:53:52Z", "ms": 2616483231923.713 }, "end": { "local": "2052-11-29T12:41:52+03:00", "utc": "2052-11-29T09:41:52Z", "ms": 2616486111923.713 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 01:50 on Thu 28 Nov to 02:58 on Fri 29 Nov.", "fact": "2052-11-27T22:50:29Z → 2052-11-28T23:58:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 28th, 11:54–12:42 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32136 s" }, { "step": "ruling", "text": "Mitra Saptamī, Moscow, 2052: Thursday 28 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": "2052-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-11-28", "confidence": "determinate" } ], "quote": "In Moscow, Mitra Saptamī 2052 falls on Thursday 28 November. Saptamī runs from 01:50 on Thu 28 Nov to 02:58 on Fri 29 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/ekadashi?on=2052-12-02", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-12-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24450, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-12-02T01:50:17+03:00", "utc": "2052-12-01T22:50:17Z", "ms": 2616706217112.2896 }, "end": { "local": "2052-12-02T23:51:15+03:00", "utc": "2052-12-02T20:51:15Z", "ms": 2616785475003.418 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-12-02T01:50:17+03:00", "utc": "2052-12-01T22:50:17Z", "ms": 2616706217112.2896 }, "end": { "local": "2052-12-02T23:51:15+03:00", "utc": "2052-12-02T20:51:15Z", "ms": 2616785475003.418 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-12-02", "window": { "start": { "local": "2052-12-02T08:37:47+03:00", "utc": "2052-12-02T05:37:47Z", "ms": 2616730667244.4673 }, "end": { "local": "2052-12-02T08:37:47+03:00", "utc": "2052-12-02T05:37:47Z", "ms": 2616730667244.4673 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2052-12-03", "window": { "start": { "local": "2052-12-03T08:39:20+03:00", "utc": "2052-12-03T05:39:20Z", "ms": 2616817160419.3643 }, "end": { "local": "2052-12-03T08:39:20+03:00", "utc": "2052-12-03T05:39:20Z", "ms": 2616817160419.3643 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:50 on Mon 2 Dec to 23:51 on Mon 2 Dec.", "fact": "2052-12-01T22:50:17Z → 2052-12-02T20:51:15Z" }, { "step": "kaala", "text": "Sunrise is at 08:38 on the 2nd and 08:39 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24450 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Moscow, 2052: Monday 2 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": "2052-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-12-02", "confidence": "determinate" } ], "quote": "In Moscow, Mokṣadā Ekādaśī 2052 falls on Monday 2 December. Ekādaśī runs from 01:50 on Mon 2 Dec to 23:51 on Mon 2 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-12-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30382, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2052-12-02T23:51:15+03:00", "utc": "2052-12-02T20:51:15Z", "ms": 2616785475003.418 }, "end": { "local": "2052-12-03T21:09:47+03:00", "utc": "2052-12-03T18:09:47Z", "ms": 2616862187099.7197 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-12-02T23:51:15+03:00", "utc": "2052-12-02T20:51:15Z", "ms": 2616785475003.418 }, "end": { "local": "2052-12-03T21:09:47+03:00", "utc": "2052-12-03T18:09:47Z", "ms": 2616862187099.7197 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-12-02", "window": { "start": { "local": "2052-12-02T11:55:01+03:00", "utc": "2052-12-02T08:55:01Z", "ms": 2616742500847.0796 }, "end": { "local": "2052-12-02T12:43:01+03:00", "utc": "2052-12-02T09:43:01Z", "ms": 2616745380847.0796 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-12-03", "window": { "start": { "local": "2052-12-03T11:55:25+03:00", "utc": "2052-12-03T08:55:25Z", "ms": 2616828925036.026 }, "end": { "local": "2052-12-03T12:43:25+03:00", "utc": "2052-12-03T09:43:25Z", "ms": 2616831805036.026 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 23:51 on Mon 2 Dec to 21:10 on Tue 3 Dec.", "fact": "2052-12-02T20:51:15Z → 2052-12-03T18:09:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 2nd, 11:55–12:43 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30382 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Moscow, 2052: Tuesday 3 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": "2052-12-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-12-03", "confidence": "determinate" } ], "quote": "In Moscow, Akhaṇḍa Dvādaśī 2052 falls on Tuesday 3 December. Dvādaśī runs from 23:51 on Mon 2 Dec to 21:10 on Tue 3 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/pradosha-vrata?on=2052-12-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1133, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-12-03T21:09:47+03:00", "utc": "2052-12-03T18:09:47Z", "ms": 2616862187099.7197 }, "end": { "local": "2052-12-04T17:53:44+03:00", "utc": "2052-12-04T14:53:44Z", "ms": 2616936823581.6333 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-12-03T21:09:47+03:00", "utc": "2052-12-03T18:09:47Z", "ms": 2616862187099.7197 }, "end": { "local": "2052-12-04T17:53:44+03:00", "utc": "2052-12-04T14:53:44Z", "ms": 2616936823581.6333 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-12-03", "window": { "start": { "local": "2052-12-03T15:59:30+03:00", "utc": "2052-12-03T12:59:30Z", "ms": 2616843569652.6875 }, "end": { "local": "2052-12-03T18:13:00+03:00", "utc": "2052-12-03T15:13:00Z", "ms": 2616851580492.5815 } }, "covered_min": 0, "window_min": 134, "qualifies": false }, { "local_date": "2052-12-04", "window": { "start": { "local": "2052-12-04T15:58:49+03:00", "utc": "2052-12-04T12:58:49Z", "ms": 2616929928642.858 }, "end": { "local": "2052-12-04T18:12:37+03:00", "utc": "2052-12-04T15:12:37Z", "ms": 2616937956655.637 } }, "covered_min": 115, "window_min": 134, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:10 on Tue 3 Dec to 17:54 on Wed 4 Dec.", "fact": "2052-12-03T18:09:47Z → 2052-12-04T14:53:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 15:59–18:13 on the 3rd, 15:59–18:13 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 134 minutes on the 3rd and 115 of 134 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1133 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2052: Wednesday 4 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-12-04", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2052 falls on Wednesday 4 December. Trayodaśī runs from 21:10 on Tue 3 Dec to 17:54 on Wed 4 Dec and covers 115 of 134 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-12-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6320, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2052-12-05T14:12:51+03:00", "utc": "2052-12-05T11:12:51Z", "ms": 2617009971113.83 }, "end": { "local": "2052-12-06T10:18:12+03:00", "utc": "2052-12-06T07:18:12Z", "ms": 2617082291975.9775 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-12-05T14:12:51+03:00", "utc": "2052-12-05T11:12:51Z", "ms": 2617009971113.83 }, "end": { "local": "2052-12-06T10:18:12+03:00", "utc": "2052-12-06T07:18:12Z", "ms": 2617082291975.9775 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-12-05", "window": { "start": { "local": "2052-12-05T15:58:11+03:00", "utc": "2052-12-05T12:58:11Z", "ms": 2617016291482.5464 }, "end": { "local": "2052-12-05T18:12:16+03:00", "utc": "2052-12-05T15:12:16Z", "ms": 2617024335775.4097 } }, "covered_min": 134, "window_min": 134, "qualifies": true }, { "local_date": "2052-12-06", "window": { "start": { "local": "2052-12-06T15:57:38+03:00", "utc": "2052-12-06T12:57:38Z", "ms": 2617102658231.697 }, "end": { "local": "2052-12-06T18:11:58+03:00", "utc": "2052-12-06T15:11:58Z", "ms": 2617110717890.6685 } }, "covered_min": 0, "window_min": 134, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:13 on Thu 5 Dec to 10:18 on Fri 6 Dec.", "fact": "2052-12-05T11:12:51Z → 2052-12-06T07:18:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 15:58–18:12 on the 5th, 15:58–18:12 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 134 of 134 minutes on the 5th and 0 of 134 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6320 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Moscow, 2052: Thursday 5 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": "2052-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-12-05", "confidence": "determinate" } ], "quote": "In Moscow, Dattātreyotpatti (Datta Jayanti) 2052 falls on Thursday 5 December. Pūrṇimā runs from 14:13 on Thu 5 Dec to 10:18 on Fri 6 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/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": "/moscow/festivals/2052/sankashta-chaturthi?on=2052-12-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-12-08", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 78, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-12-08T23:09:10+03:00", "utc": "2052-12-08T20:09:10Z", "ms": 2617301349571.2153 }, "end": { "local": "2052-12-09T20:15:46+03:00", "utc": "2052-12-09T17:15:46Z", "ms": 2617377346252.069 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-12-08T23:09:10+03:00", "utc": "2052-12-08T20:09:10Z", "ms": 2617301349571.2153 }, "end": { "local": "2052-12-09T20:15:46+03:00", "utc": "2052-12-09T17:15:46Z", "ms": 2617377346252.069 } }, "kaala": "moonrise", "days": [ { "local_date": "2052-12-08", "window": { "start": { "local": "2052-12-08T19:00:58+03:00", "utc": "2052-12-08T16:00:58Z", "ms": 2617286457916.687 }, "end": { "local": "2052-12-08T19:00:58+03:00", "utc": "2052-12-08T16:00:58Z", "ms": 2617286457916.687 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-12-09", "window": { "start": { "local": "2052-12-09T20:17:04+03:00", "utc": "2052-12-09T17:17:04Z", "ms": 2617377424023.1675 }, "end": { "local": "2052-12-09T20:17:04+03:00", "utc": "2052-12-09T17:17:04Z", "ms": 2617377424023.1675 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:09 on Sun 8 Dec to 20:16 on Mon 9 Dec.", "fact": "2052-12-08T20:09:10Z → 2052-12-09T17:15:46Z" }, { "step": "kaala", "text": "Moonrise is at 19:01 on the 8th and 20:17 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 78 s < 300 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2052: Sunday 8 December.", "fact": "confidence: boundary (margin, absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-12-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-12-08", "confidence": "boundary" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2052 falls on Sunday 8 December. Caturthī runs from 23:09 on Sun 8 Dec to 20:16 on Mon 9 Dec, and is current at moonrise on neither day. It is 1 min 18 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/moscow/festivals/2052/sankashta-chaturthi?on=2052-12-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/ekadashi?on=2052-12-16", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36564, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2052-12-15T19:03:28+03:00", "utc": "2052-12-15T16:03:28Z", "ms": 2617891408353.792 }, "end": { "local": "2052-12-16T21:10:48+03:00", "utc": "2052-12-16T18:10:48Z", "ms": 2617985448306.947 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-12-15T19:03:28+03:00", "utc": "2052-12-15T16:03:28Z", "ms": 2617891408353.792 }, "end": { "local": "2052-12-16T21:10:48+03:00", "utc": "2052-12-16T18:10:48Z", "ms": 2617985448306.947 } }, "kaala": "sunrise", "days": [ { "local_date": "2052-12-15", "window": { "start": { "local": "2052-12-15T08:54:04+03:00", "utc": "2052-12-15T05:54:04Z", "ms": 2617854844210.519 }, "end": { "local": "2052-12-15T08:54:04+03:00", "utc": "2052-12-15T05:54:04Z", "ms": 2617854844210.519 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2052-12-16", "window": { "start": { "local": "2052-12-16T08:54:56+03:00", "utc": "2052-12-16T05:54:56Z", "ms": 2617941295526.1606 }, "end": { "local": "2052-12-16T08:54:56+03:00", "utc": "2052-12-16T05:54:56Z", "ms": 2617941295526.1606 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:03 on Sun 15 Dec to 21:11 on Mon 16 Dec.", "fact": "2052-12-15T16:03:28Z → 2052-12-16T18:10:48Z" }, { "step": "kaala", "text": "Sunrise is at 08:54 on the 15th and 08:55 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is 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 36564 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Moscow, 2052: Monday 16 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": "2052-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-12-16", "confidence": "determinate" } ], "quote": "In Moscow, Saphalā Ekādaśī 2052 falls on Monday 16 December. Ekādaśī runs from 19:03 on Sun 15 Dec to 21:11 on Mon 16 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2052/ekadashi?on=2052-12-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/pradosha-vrata?on=2052-12-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19412, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2052-12-17T23:35:38+03:00", "utc": "2052-12-17T20:35:38Z", "ms": 2618080538225.981 }, "end": { "local": "2052-12-19T02:09:00+03:00", "utc": "2052-12-18T23:09:00Z", "ms": 2618176139681.0884 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-12-17T23:35:38+03:00", "utc": "2052-12-17T20:35:38Z", "ms": 2618080538225.981 }, "end": { "local": "2052-12-19T02:09:00+03:00", "utc": "2052-12-18T23:09:00Z", "ms": 2618176139681.0884 } }, "kaala": "pradosha", "days": [ { "local_date": "2052-12-17", "window": { "start": { "local": "2052-12-17T15:56:04+03:00", "utc": "2052-12-17T12:56:04Z", "ms": 2618052963610.6562 }, "end": { "local": "2052-12-17T18:12:07+03:00", "utc": "2052-12-17T15:12:07Z", "ms": 2618061126681.824 } }, "covered_min": 0, "window_min": 136, "qualifies": false }, { "local_date": "2052-12-18", "window": { "start": { "local": "2052-12-18T15:56:20+03:00", "utc": "2052-12-18T12:56:20Z", "ms": 2618139380315.798 }, "end": { "local": "2052-12-18T18:12:26+03:00", "utc": "2052-12-18T15:12:26Z", "ms": 2618147546450.0293 } }, "covered_min": 136, "window_min": 136, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:36 on Tue 17 Dec to 02:09 on Thu 19 Dec.", "fact": "2052-12-17T20:35:38Z → 2052-12-18T23:09:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 15:56–18:12 on the 17th, 15:56–18:12 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 136 minutes on the 17th and 136 of 136 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19412 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2052: Wednesday 18 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": "2052-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-12-18", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2052 falls on Wednesday 18 December. Trayodaśī runs from 23:36 on Tue 17 Dec to 02:09 on Thu 19 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2052/pradosha-vrata?on=2052-12-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/shivaratri?on=2052-12-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4696, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2052-12-19T02:09:00+03:00", "utc": "2052-12-18T23:09:00Z", "ms": 2618176139681.0884 }, "end": { "local": "2052-12-20T04:43:53+03:00", "utc": "2052-12-20T01:43:53Z", "ms": 2618271832541.281 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-12-19T02:09:00+03:00", "utc": "2052-12-18T23:09:00Z", "ms": 2618176139681.0884 }, "end": { "local": "2052-12-20T04:43:53+03:00", "utc": "2052-12-20T01:43:53Z", "ms": 2618271832541.281 } }, "kaala": "nishita", "days": [ { "local_date": "2052-12-18", "window": { "start": { "local": "2052-12-19T00:02:43+03:00", "utc": "2052-12-18T21:02:43Z", "ms": 2618168563319.166 }, "end": { "local": "2052-12-19T00:50:43+03:00", "utc": "2052-12-18T21:50:43Z", "ms": 2618171443319.166 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-12-19", "window": { "start": { "local": "2052-12-20T00:03:12+03:00", "utc": "2052-12-19T21:03:12Z", "ms": 2618254991626.8916 }, "end": { "local": "2052-12-20T00:51:12+03:00", "utc": "2052-12-19T21:51:12Z", "ms": 2618257871626.8916 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:09 on Thu 19 Dec to 04:44 on Fri 20 Dec.", "fact": "2052-12-18T23:09:00Z → 2052-12-20T01:43:53Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:03–00:51 on the 18th, 00:03–00:51 on the 19th.", "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 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4696 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2052: Thursday 19 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": "2052-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-12-19", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2052 falls on Thursday 19 December. Caturdaśī runs from 02:09 on Thu 19 Dec to 04:44 on Fri 20 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2052/shivaratri?on=2052-12-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2052/vinayaka-chaturthi?on=2052-12-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2052, "local_date": "2052-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3568, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2052-12-24T13:52:54+03:00", "utc": "2052-12-24T10:52:54Z", "ms": 2618650374366.11 }, "end": { "local": "2052-12-25T15:33:37+03:00", "utc": "2052-12-25T12:33:37Z", "ms": 2618742816733.626 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2052-12-24T13:52:54+03:00", "utc": "2052-12-24T10:52:54Z", "ms": 2618650374366.11 }, "end": { "local": "2052-12-25T15:33:37+03:00", "utc": "2052-12-25T12:33:37Z", "ms": 2618742816733.626 } }, "kaala": "madhyahna", "days": [ { "local_date": "2052-12-24", "window": { "start": { "local": "2052-12-24T12:05:26+03:00", "utc": "2052-12-24T09:05:26Z", "ms": 2618643926124.053 }, "end": { "local": "2052-12-24T12:53:26+03:00", "utc": "2052-12-24T09:53:26Z", "ms": 2618646806124.053 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2052-12-25", "window": { "start": { "local": "2052-12-25T12:05:56+03:00", "utc": "2052-12-25T09:05:56Z", "ms": 2618730356487.173 }, "end": { "local": "2052-12-25T12:53:56+03:00", "utc": "2052-12-25T09:53:56Z", "ms": 2618733236487.173 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:53 on Tue 24 Dec to 15:34 on Wed 25 Dec.", "fact": "2052-12-24T10:52:54Z → 2052-12-25T12:33:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 24th, 12:06–12:54 on the 25th.", "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 24th and 48 of 48 on the 25th.", "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 3568 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2052: Wednesday 25 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2052-12-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2052-12-25", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2052 falls on Wednesday 25 December. Caturthī runs from 13:53 on Tue 24 Dec to 15:34 on Wed 25 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2052/vinayaka-chaturthi?on=2052-12-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }