{ "id": "/moscow/festivals/2033", "place": { "id": "524901", "slug": "moscow", "name": "Moscow", "region": "Russia", "country": "RU", "lat": 55.75204, "lon": 37.61781, "elevation_m": 155, "tz": "Europe/Moscow" }, "year": 2033, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/moscow/festivals/2033/vinayaka-chaturthi?on=2033-01-04", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-01-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24928, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-01-04T05:15:14+03:00", "utc": "2033-01-04T02:15:14Z", "ms": 1988417714073.0828 }, "end": { "local": "2033-01-05T02:28:00+03:00", "utc": "2033-01-04T23:28:00Z", "ms": 1988494079658.9133 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-01-04T05:15:14+03:00", "utc": "2033-01-04T02:15:14Z", "ms": 1988417714073.0828 }, "end": { "local": "2033-01-05T02:28:00+03:00", "utc": "2033-01-04T23:28:00Z", "ms": 1988494079658.9133 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-01-04", "window": { "start": { "local": "2033-01-04T12:10:42+03:00", "utc": "2033-01-04T09:10:42Z", "ms": 1988442641631.1313 }, "end": { "local": "2033-01-04T12:58:42+03:00", "utc": "2033-01-04T09:58:42Z", "ms": 1988445521631.1313 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-01-05", "window": { "start": { "local": "2033-01-05T12:11:09+03:00", "utc": "2033-01-05T09:11:09Z", "ms": 1988529069099.4604 }, "end": { "local": "2033-01-05T12:59:09+03:00", "utc": "2033-01-05T09:59:09Z", "ms": 1988531949099.4604 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:15 on Tue 4 Jan to 02:28 on Wed 5 Jan.", "fact": "2033-01-04T02:15:14Z → 2033-01-04T23:28:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 4th, 12:11–12:59 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 24928 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2033: Tuesday 4 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": "2033-01-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-01-04", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2033 falls on Tuesday 4 January. Caturthī runs from 05:15 on Tue 4 Jan to 02:28 on Wed 5 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/vinayaka-chaturthi?on=2033-01-04", "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/2033/ekadashi?on=2033-01-11", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-01-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21750, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-01-10T15:31:58+03:00", "utc": "2033-01-10T12:31:58Z", "ms": 1988973118117.5032 }, "end": { "local": "2033-01-11T14:56:06+03:00", "utc": "2033-01-11T11:56:06Z", "ms": 1989057366096.912 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-01-10T15:31:58+03:00", "utc": "2033-01-10T12:31:58Z", "ms": 1988973118117.5032 }, "end": { "local": "2033-01-11T14:56:06+03:00", "utc": "2033-01-11T11:56:06Z", "ms": 1989057366096.912 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-01-10", "window": { "start": { "local": "2033-01-10T08:54:29+03:00", "utc": "2033-01-10T05:54:29Z", "ms": 1988949268907.6929 }, "end": { "local": "2033-01-10T08:54:29+03:00", "utc": "2033-01-10T05:54:29Z", "ms": 1988949268907.6929 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-01-11", "window": { "start": { "local": "2033-01-11T08:53:37+03:00", "utc": "2033-01-11T05:53:37Z", "ms": 1989035616528.0515 }, "end": { "local": "2033-01-11T08:53:37+03:00", "utc": "2033-01-11T05:53:37Z", "ms": 1989035616528.0515 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:32 on Mon 10 Jan to 14:56 on Tue 11 Jan.", "fact": "2033-01-10T12:31:58Z → 2033-01-11T11:56:06Z" }, { "step": "kaala", "text": "Sunrise is at 08:54 on the 10th and 08:54 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 21750 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Moscow, 2033: Tuesday 11 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": "2033-01-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-01-11", "confidence": "determinate" } ], "quote": "In Moscow, Putradā Ekādaśī 2033 falls on Tuesday 11 January. Ekādaśī runs from 15:32 on Mon 10 Jan to 14:56 on Tue 11 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-01-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/pradosha-vrata?on=2033-01-12", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-01-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5932, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-01-12T14:40:45+03:00", "utc": "2033-01-12T11:40:45Z", "ms": 1989142845315.7632 }, "end": { "local": "2033-01-13T14:46:26+03:00", "utc": "2033-01-13T11:46:26Z", "ms": 1989229586074.2957 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-01-12T14:40:45+03:00", "utc": "2033-01-12T11:40:45Z", "ms": 1989142845315.7632 }, "end": { "local": "2033-01-13T14:46:26+03:00", "utc": "2033-01-13T11:46:26Z", "ms": 1989229586074.2957 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-01-12", "window": { "start": { "local": "2033-01-12T16:23:33+03:00", "utc": "2033-01-12T13:23:33Z", "ms": 1989149012685.072 }, "end": { "local": "2033-01-12T18:35:18+03:00", "utc": "2033-01-12T15:35:18Z", "ms": 1989156917805.181 } }, "covered_min": 132, "window_min": 132, "qualifies": true }, { "local_date": "2033-01-13", "window": { "start": { "local": "2033-01-13T16:25:18+03:00", "utc": "2033-01-13T13:25:18Z", "ms": 1989235518102.63 }, "end": { "local": "2033-01-13T18:36:41+03:00", "utc": "2033-01-13T15:36:41Z", "ms": 1989243400777.965 } }, "covered_min": 0, "window_min": 131, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:41 on Wed 12 Jan to 14:46 on Thu 13 Jan.", "fact": "2033-01-12T11:40:45Z → 2033-01-13T11:46:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:24–18:35 on the 12th, 16:25–18:37 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 132 of 132 minutes on the 12th and 0 of 131 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 5932 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2033: Wednesday 12 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": "2033-01-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-01-12", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2033 falls on Wednesday 12 January. Trayodaśī runs from 14:41 on Wed 12 Jan to 14:46 on Thu 13 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-01-12", "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/2033/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31627, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2033-01-14T07:39:59+03:00", "utc": "2033-01-14T04:39:59Z", "ms": 1989290398845.0676 }, "end": { "local": "2033-02-12T20:36:21+03:00", "utc": "2033-02-12T17:36:21Z", "ms": 1991842581234.4297 } }, "span": { "of": "transit", "start": { "local": "2033-01-14T07:39:59+03:00", "utc": "2033-01-14T04:39:59Z", "ms": 1989290398845.0676 }, "end": { "local": "2033-01-14T07:39:59+03:00", "utc": "2033-01-14T04:39:59Z", "ms": 1989290398845.0676 } }, "kaala": "sunset-day", "days": [ { "local_date": "2033-01-14", "window": { "start": { "local": "2033-01-13T16:25:18+03:00", "utc": "2033-01-13T13:25:18Z", "ms": 1989235518102.63 }, "end": { "local": "2033-01-14T16:27:06+03:00", "utc": "2033-01-14T13:27:06Z", "ms": 1989322025650.5813 } }, "covered_min": 1, "window_min": 1442, "qualifies": true }, { "local_date": "2033-01-15", "window": { "start": { "local": "2033-01-14T16:27:06+03:00", "utc": "2033-01-14T13:27:06Z", "ms": 1989322025650.5813 }, "end": { "local": "2033-01-15T16:28:55+03:00", "utc": "2033-01-15T13:28:55Z", "ms": 1989408535223.6804 } }, "covered_min": 0, "window_min": 1442, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2033-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 07:40 on Fri 14 Jan.", "fact": "2033-01-14T04:39:59Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 16:27, and the day of the 15th ends at 16:29.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 31627 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Friday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Moscow, 2033: Thursday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2033-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2033-01-13", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2033-01-12", "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 2033 falls on Thursday 13 January. It is kept the day before Pongal, which falls on Friday 14 January. The Sun enters Makara at 07:40 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 12 January.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31627, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2033-01-14T07:39:59+03:00", "utc": "2033-01-14T04:39:59Z", "ms": 1989290398845.0676 }, "end": { "local": "2033-02-12T20:36:21+03:00", "utc": "2033-02-12T17:36:21Z", "ms": 1991842581234.4297 } }, "span": { "of": "transit", "start": { "local": "2033-01-14T07:39:59+03:00", "utc": "2033-01-14T04:39:59Z", "ms": 1989290398845.0676 }, "end": { "local": "2033-01-14T07:39:59+03:00", "utc": "2033-01-14T04:39:59Z", "ms": 1989290398845.0676 } }, "kaala": "sunset-day", "days": [ { "local_date": "2033-01-14", "window": { "start": { "local": "2033-01-13T16:25:18+03:00", "utc": "2033-01-13T13:25:18Z", "ms": 1989235518102.63 }, "end": { "local": "2033-01-14T16:27:06+03:00", "utc": "2033-01-14T13:27:06Z", "ms": 1989322025650.5813 } }, "covered_min": 1, "window_min": 1442, "qualifies": true }, { "local_date": "2033-01-15", "window": { "start": { "local": "2033-01-14T16:27:06+03:00", "utc": "2033-01-14T13:27:06Z", "ms": 1989322025650.5813 }, "end": { "local": "2033-01-15T16:28:55+03:00", "utc": "2033-01-15T13:28:55Z", "ms": 1989408535223.6804 } }, "covered_min": 0, "window_min": 1442, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 07:40 on Fri 14 Jan.", "fact": "2033-01-14T04:39:59Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 16:27, and the day of the 15th ends at 16:29.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 31627 s" }, { "step": "ruling", "text": "Pongal, Moscow, 2033: Friday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2033-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2033-01-14", "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": "2033-01-13", "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, Pongal 2033 falls on Friday 14 January. The Sun enters Makara at 07:40 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27599, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2033-01-14T07:39:59+03:00", "utc": "2033-01-14T04:39:59Z", "ms": 1989290398845.0676 }, "end": { "local": "2033-02-12T20:36:21+03:00", "utc": "2033-02-12T17:36:21Z", "ms": 1991842581234.4297 } }, "span": { "of": "transit", "start": { "local": "2033-01-14T07:39:59+03:00", "utc": "2033-01-14T04:39:59Z", "ms": 1989290398845.0676 }, "end": { "local": "2033-01-14T07:39:59+03:00", "utc": "2033-01-14T04:39:59Z", "ms": 1989290398845.0676 } }, "kaala": "civil-day", "days": [ { "local_date": "2033-01-13", "window": { "start": { "local": "2033-01-13T00:00:00+03:00", "utc": "2033-01-12T21:00:00Z", "ms": 1989176400000 }, "end": { "local": "2033-01-14T00:00:00+03:00", "utc": "2033-01-13T21:00:00Z", "ms": 1989262800000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2033-01-14", "window": { "start": { "local": "2033-01-14T00:00:00+03:00", "utc": "2033-01-13T21:00:00Z", "ms": 1989262800000 }, "end": { "local": "2033-01-15T00:00:00+03:00", "utc": "2033-01-14T21:00:00Z", "ms": 1989349200000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 07:40 on Fri 14 Jan.", "fact": "2033-01-14T04:39:59Z · 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 14th, not the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 27599 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Moscow, 2033: Friday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2033-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2033-01-13", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2033-01-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Moscow, Makara Saṅkrānti 2033 falls on Friday 14 January. The Sun enters Makara at 07:40 on Fri 14 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31627, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2033-01-14T07:39:59+03:00", "utc": "2033-01-14T04:39:59Z", "ms": 1989290398845.0676 }, "end": { "local": "2033-02-12T20:36:21+03:00", "utc": "2033-02-12T17:36:21Z", "ms": 1991842581234.4297 } }, "span": { "of": "transit", "start": { "local": "2033-01-14T07:39:59+03:00", "utc": "2033-01-14T04:39:59Z", "ms": 1989290398845.0676 }, "end": { "local": "2033-01-14T07:39:59+03:00", "utc": "2033-01-14T04:39:59Z", "ms": 1989290398845.0676 } }, "kaala": "sunset-day", "days": [ { "local_date": "2033-01-14", "window": { "start": { "local": "2033-01-13T16:25:18+03:00", "utc": "2033-01-13T13:25:18Z", "ms": 1989235518102.63 }, "end": { "local": "2033-01-14T16:27:06+03:00", "utc": "2033-01-14T13:27:06Z", "ms": 1989322025650.5813 } }, "covered_min": 1, "window_min": 1442, "qualifies": true }, { "local_date": "2033-01-15", "window": { "start": { "local": "2033-01-14T16:27:06+03:00", "utc": "2033-01-14T13:27:06Z", "ms": 1989322025650.5813 }, "end": { "local": "2033-01-15T16:28:55+03:00", "utc": "2033-01-15T13:28:55Z", "ms": 1989408535223.6804 } }, "covered_min": 0, "window_min": 1442, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2033-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 07:40 on Fri 14 Jan.", "fact": "2033-01-14T04:39:59Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 16:27, and the day of the 15th ends at 16:29.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 31627 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Friday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Moscow, 2033: Saturday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2033-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2033-01-15", "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": "2033-01-14", "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, Mattu Pongal 2033 falls on Saturday 15 January. It is kept the day after Pongal, which falls on Friday 14 January. The Sun enters Makara at 07:40 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/sankashta-chaturthi?on=2033-01-19", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3731, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-01-18T21:23:23+03:00", "utc": "2033-01-18T18:23:23Z", "ms": 1989685402874.4111 }, "end": { "local": "2033-01-19T23:55:05+03:00", "utc": "2033-01-19T20:55:05Z", "ms": 1989780905237.525 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2033-01-18T21:23:23+03:00", "utc": "2033-01-18T18:23:23Z", "ms": 1989685402874.4111 }, "end": { "local": "2033-01-19T23:55:05+03:00", "utc": "2033-01-19T20:55:05Z", "ms": 1989780905237.525 } }, "kaala": "moonrise", "days": [ { "local_date": "2033-01-18", "window": { "start": { "local": "2033-01-18T20:21:12+03:00", "utc": "2033-01-18T17:21:12Z", "ms": 1989681671884.2327 }, "end": { "local": "2033-01-18T20:21:12+03:00", "utc": "2033-01-18T17:21:12Z", "ms": 1989681671884.2327 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-01-19", "window": { "start": { "local": "2033-01-19T21:27:46+03:00", "utc": "2033-01-19T18:27:46Z", "ms": 1989772066136.3816 }, "end": { "local": "2033-01-19T21:27:46+03:00", "utc": "2033-01-19T18:27:46Z", "ms": 1989772066136.3816 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:23 on Tue 18 Jan to 23:55 on Wed 19 Jan.", "fact": "2033-01-18T18:23:23Z → 2033-01-19T20:55:05Z" }, { "step": "kaala", "text": "Moonrise is at 20:21 on the 18th and 21:28 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 3731 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2033: Wednesday 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": "2033-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-01-19", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2033 falls on Wednesday 19 January. Caturthī runs from 21:23 on Tue 18 Jan to 23:55 on Wed 19 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/sankashta-chaturthi?on=2033-01-19", "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/2033/ekadashi?on=2033-01-27", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7174, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-01-26T11:06:32+03:00", "utc": "2033-01-26T08:06:32Z", "ms": 1990339591927.1738 }, "end": { "local": "2033-01-27T10:31:55+03:00", "utc": "2033-01-27T07:31:55Z", "ms": 1990423915158.0168 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2033-01-26T11:06:32+03:00", "utc": "2033-01-26T08:06:32Z", "ms": 1990339591927.1738 }, "end": { "local": "2033-01-27T10:31:55+03:00", "utc": "2033-01-27T07:31:55Z", "ms": 1990423915158.0168 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-01-26", "window": { "start": { "local": "2033-01-26T08:34:02+03:00", "utc": "2033-01-26T05:34:02Z", "ms": 1990330442280.3787 }, "end": { "local": "2033-01-26T08:34:02+03:00", "utc": "2033-01-26T05:34:02Z", "ms": 1990330442280.3787 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-01-27", "window": { "start": { "local": "2033-01-27T08:32:22+03:00", "utc": "2033-01-27T05:32:22Z", "ms": 1990416741516.7407 }, "end": { "local": "2033-01-27T08:32:22+03:00", "utc": "2033-01-27T05:32:22Z", "ms": 1990416741516.7407 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:07 on Wed 26 Jan to 10:32 on Thu 27 Jan.", "fact": "2033-01-26T08:06:32Z → 2033-01-27T07:31:55Z" }, { "step": "kaala", "text": "Sunrise is at 08:34 on the 26th and 08:32 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 7174 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Moscow, 2033: Thursday 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": "2033-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-01-27", "confidence": "determinate" } ], "quote": "In Moscow, Ṣaṭtilā Ekādaśī 2033 falls on Thursday 27 January. Ekādaśī runs from 11:07 on Wed 26 Jan to 10:32 on Thu 27 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-01-27", "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/2033/pradosha-vrata?on=2033-01-28", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28115, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-01-28T09:06:23+03:00", "utc": "2033-01-28T06:06:23Z", "ms": 1990505183397.1196 }, "end": { "local": "2033-01-29T06:56:19+03:00", "utc": "2033-01-29T03:56:19Z", "ms": 1990583778839.8418 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2033-01-28T09:06:23+03:00", "utc": "2033-01-28T06:06:23Z", "ms": 1990505183397.1196 }, "end": { "local": "2033-01-29T06:56:19+03:00", "utc": "2033-01-29T03:56:19Z", "ms": 1990583778839.8418 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-01-28", "window": { "start": { "local": "2033-01-28T16:54:59+03:00", "utc": "2033-01-28T13:54:59Z", "ms": 1990533298535.077 }, "end": { "local": "2033-01-28T18:59:30+03:00", "utc": "2033-01-28T15:59:30Z", "ms": 1990540769782.9053 } }, "covered_min": 125, "window_min": 125, "qualifies": true }, { "local_date": "2033-01-29", "window": { "start": { "local": "2033-01-29T16:57:06+03:00", "utc": "2033-01-29T13:57:06Z", "ms": 1990619826193.9282 }, "end": { "local": "2033-01-29T19:01:06+03:00", "utc": "2033-01-29T16:01:06Z", "ms": 1990627266057.7302 } }, "covered_min": 0, "window_min": 124, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:06 on Fri 28 Jan to 06:56 on Sat 29 Jan.", "fact": "2033-01-28T06:06:23Z → 2033-01-29T03:56:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:55–18:59 on the 28th, 16:57–19:01 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 125 of 125 minutes on the 28th and 0 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 28115 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2033: Friday 28 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": "2033-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-01-28", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2033 falls on Friday 28 January. Trayodaśī runs from 09:06 on Fri 28 Jan to 06:56 on Sat 29 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-01-28", "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/2033/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1917, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2033-01-29T06:56:19+03:00", "utc": "2033-01-29T03:56:19Z", "ms": 1990583778839.8418 }, "end": { "local": "2033-01-30T04:10:40+03:00", "utc": "2033-01-30T01:10:40Z", "ms": 1990660239860.2468 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2033-01-29T06:56:19+03:00", "utc": "2033-01-29T03:56:19Z", "ms": 1990583778839.8418 }, "end": { "local": "2033-01-30T04:10:40+03:00", "utc": "2033-01-30T01:10:40Z", "ms": 1990660239860.2468 } }, "kaala": "arunodaya", "days": [ { "local_date": "2033-01-29", "window": { "start": { "local": "2033-01-29T06:24:22+03:00", "utc": "2033-01-29T03:24:22Z", "ms": 1990581861645.9607 }, "end": { "local": "2033-01-29T08:28:53+03:00", "utc": "2033-01-29T05:28:53Z", "ms": 1990589332893.789 } }, "covered_min": 93, "window_min": 125, "qualifies": true }, { "local_date": "2033-01-30", "window": { "start": { "local": "2033-01-30T06:23:05+03:00", "utc": "2033-01-30T03:23:05Z", "ms": 1990668185308.6404 }, "end": { "local": "2033-01-30T08:27:05+03:00", "utc": "2033-01-30T05:27:05Z", "ms": 1990675625172.4424 } }, "covered_min": 0, "window_min": 124, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:56 on Sat 29 Jan to 04:11 on Sun 30 Jan.", "fact": "2033-01-29T03:56:19Z → 2033-01-30T01:10:40Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 06:24–08:29 on the 29th, 06:23–08:27 on the 30th.", "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 93 of 125 minutes on the 29th and 0 of 124 on the 30th.", "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 1917 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Moscow, 2033: Saturday 29 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": "2033-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-01-29", "confidence": "determinate" } ], "quote": "In Moscow, Yama Tarpaṇa 2033 falls on Saturday 29 January. Caturdaśī runs from 06:56 on Sat 29 Jan to 04:11 on Sun 30 Jan and covers 93 of 125 minutes of aruṇodaya that dawn.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/shivaratri?on=2033-01-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11074, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2033-01-29T06:56:19+03:00", "utc": "2033-01-29T03:56:19Z", "ms": 1990583778839.8418 }, "end": { "local": "2033-01-30T04:10:40+03:00", "utc": "2033-01-30T01:10:40Z", "ms": 1990660239860.2468 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2033-01-29T06:56:19+03:00", "utc": "2033-01-29T03:56:19Z", "ms": 1990583778839.8418 }, "end": { "local": "2033-01-30T04:10:40+03:00", "utc": "2033-01-30T01:10:40Z", "ms": 1990660239860.2468 } }, "kaala": "nishita", "days": [ { "local_date": "2033-01-28", "window": { "start": { "local": "2033-01-29T00:17:56+03:00", "utc": "2033-01-28T21:17:56Z", "ms": 1990559875714.433 }, "end": { "local": "2033-01-29T01:05:56+03:00", "utc": "2033-01-28T22:05:56Z", "ms": 1990562755714.433 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-01-29", "window": { "start": { "local": "2033-01-30T00:18:06+03:00", "utc": "2033-01-29T21:18:06Z", "ms": 1990646285683.1853 }, "end": { "local": "2033-01-30T01:06:06+03:00", "utc": "2033-01-29T22:06:06Z", "ms": 1990649165683.1853 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:56 on Sat 29 Jan to 04:11 on Sun 30 Jan.", "fact": "2033-01-29T03:56:19Z → 2033-01-30T01:10:40Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:18–01:06 on the 28th, 00:18–01:06 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 48 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 11074 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2033: Saturday 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": "2033-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-01-29", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2033 falls on Saturday 29 January. Caturdaśī runs from 06:56 on Sat 29 Jan to 04:11 on Sun 30 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2033/shivaratri?on=2033-01-29", "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/2033/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8377, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-02-02T14:46:05+03:00", "utc": "2033-02-02T11:46:05Z", "ms": 1990957565029.0562 }, "end": { "local": "2033-02-03T11:41:23+03:00", "utc": "2033-02-03T08:41:23Z", "ms": 1991032883492.9517 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2033-02-02T14:46:05+03:00", "utc": "2033-02-02T11:46:05Z", "ms": 1990957565029.0562 }, "end": { "local": "2033-02-03T11:41:23+03:00", "utc": "2033-02-03T08:41:23Z", "ms": 1991032883492.9517 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-02-02", "window": { "start": { "local": "2033-02-02T17:05:42+03:00", "utc": "2033-02-02T14:05:42Z", "ms": 1990965942290.2546 }, "end": { "local": "2033-02-02T19:07:33+03:00", "utc": "2033-02-02T16:07:33Z", "ms": 1990973253060.139 } }, "covered_min": 122, "window_min": 122, "qualifies": true }, { "local_date": "2033-02-03", "window": { "start": { "local": "2033-02-03T17:07:52+03:00", "utc": "2033-02-03T14:07:52Z", "ms": 1991052472313.668 }, "end": { "local": "2033-02-03T19:09:10+03:00", "utc": "2033-02-03T16:09:10Z", "ms": 1991059750010.4053 } }, "covered_min": 0, "window_min": 121, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:46 on Wed 2 Feb to 11:41 on Thu 3 Feb.", "fact": "2033-02-02T11:46:05Z → 2033-02-03T08:41:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:06–19:08 on the 2nd, 17:08–19:09 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 122 of 122 minutes on the 2nd and 0 of 121 on the 3rd.", "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 8377 s" }, { "step": "ruling", "text": "Tila Caturthī, Moscow, 2033: Wednesday 2 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": "2033-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-02-02", "confidence": "determinate" } ], "quote": "In Moscow, Tila Caturthī 2033 falls on Wednesday 2 February. Caturthī runs from 14:46 on Wed 2 Feb to 11:41 on Thu 3 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2299, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2033-02-03T11:41:23+03:00", "utc": "2033-02-03T08:41:23Z", "ms": 1991032883492.9517 }, "end": { "local": "2033-02-04T09:00:31+03:00", "utc": "2033-02-04T06:00:31Z", "ms": 1991109630753.415 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2033-02-03T11:41:23+03:00", "utc": "2033-02-03T08:41:23Z", "ms": 1991032883492.9517 }, "end": { "local": "2033-02-04T09:00:31+03:00", "utc": "2033-02-04T06:00:31Z", "ms": 1991109630753.415 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-02-03", "window": { "start": { "local": "2033-02-03T12:19:43+03:00", "utc": "2033-02-03T09:19:43Z", "ms": 1991035182689.0273 }, "end": { "local": "2033-02-03T13:07:43+03:00", "utc": "2033-02-03T10:07:43Z", "ms": 1991038062689.0273 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-02-04", "window": { "start": { "local": "2033-02-04T12:19:49+03:00", "utc": "2033-02-04T09:19:49Z", "ms": 1991121588822.1853 }, "end": { "local": "2033-02-04T13:07:49+03:00", "utc": "2033-02-04T10:07:49Z", "ms": 1991124468822.1853 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:41 on Thu 3 Feb to 09:01 on Fri 4 Feb.", "fact": "2033-02-03T08:41:23Z → 2033-02-04T06:00:31Z" }, { "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": "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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2299 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Moscow, 2033: Thursday 3 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": "2033-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-02-03", "confidence": "determinate" } ], "quote": "In Moscow, Śrī Pañcamī 2033 falls on Thursday 3 February. Pañcamī runs from 11:41 on Thu 3 Feb to 09:01 on Fri 4 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2299, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2033-02-03T11:41:23+03:00", "utc": "2033-02-03T08:41:23Z", "ms": 1991032883492.9517 }, "end": { "local": "2033-02-04T09:00:31+03:00", "utc": "2033-02-04T06:00:31Z", "ms": 1991109630753.415 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2033-02-03T11:41:23+03:00", "utc": "2033-02-03T08:41:23Z", "ms": 1991032883492.9517 }, "end": { "local": "2033-02-04T09:00:31+03:00", "utc": "2033-02-04T06:00:31Z", "ms": 1991109630753.415 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-02-03", "window": { "start": { "local": "2033-02-03T12:19:43+03:00", "utc": "2033-02-03T09:19:43Z", "ms": 1991035182689.0273 }, "end": { "local": "2033-02-03T13:07:43+03:00", "utc": "2033-02-03T10:07:43Z", "ms": 1991038062689.0273 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-02-04", "window": { "start": { "local": "2033-02-04T12:19:49+03:00", "utc": "2033-02-04T09:19:49Z", "ms": 1991121588822.1853 }, "end": { "local": "2033-02-04T13:07:49+03:00", "utc": "2033-02-04T10:07:49Z", "ms": 1991124468822.1853 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:41 on Thu 3 Feb to 09:01 on Fri 4 Feb.", "fact": "2033-02-03T08:41:23Z → 2033-02-04T06:00:31Z" }, { "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": "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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2299 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Moscow, 2033: Thursday 3 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": "2033-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-02-03", "confidence": "determinate" } ], "quote": "In Moscow, Vasanta Pañcamī 2033 falls on Thursday 3 February. Pañcamī runs from 11:41 on Thu 3 Feb to 09:01 on Fri 4 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2299, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-02-02T14:46:05+03:00", "utc": "2033-02-02T11:46:05Z", "ms": 1990957565029.0562 }, "end": { "local": "2033-02-03T11:41:23+03:00", "utc": "2033-02-03T08:41:23Z", "ms": 1991032883492.9517 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2033-02-02T14:46:05+03:00", "utc": "2033-02-02T11:46:05Z", "ms": 1990957565029.0562 }, "end": { "local": "2033-02-03T11:41:23+03:00", "utc": "2033-02-03T08:41:23Z", "ms": 1991032883492.9517 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-02-02", "window": { "start": { "local": "2033-02-02T12:19:36+03:00", "utc": "2033-02-02T09:19:36Z", "ms": 1990948775720.583 }, "end": { "local": "2033-02-02T13:07:36+03:00", "utc": "2033-02-02T10:07:36Z", "ms": 1990951655720.583 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-02-03", "window": { "start": { "local": "2033-02-03T12:19:43+03:00", "utc": "2033-02-03T09:19:43Z", "ms": 1991035182689.0273 }, "end": { "local": "2033-02-03T13:07:43+03:00", "utc": "2033-02-03T10:07:43Z", "ms": 1991038062689.0273 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:46 on Wed 2 Feb to 11:41 on Thu 3 Feb.", "fact": "2033-02-02T11:46:05Z → 2033-02-03T08:41:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 2nd, 12:20–13:08 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 2299 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Moscow, 2033: Thursday 3 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": "2033-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-02-03", "confidence": "determinate" } ], "quote": "In Moscow, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2033 falls on Thursday 3 February. Caturthī runs from 14:46 on Wed 2 Feb to 11:41 on Thu 3 Feb, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2055, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2033-02-05T06:49:06+03:00", "utc": "2033-02-05T03:49:06Z", "ms": 1991188146007.1433 }, "end": { "local": "2033-02-06T05:10:38+03:00", "utc": "2033-02-06T02:10:38Z", "ms": 1991268638200.6035 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2033-02-05T06:49:06+03:00", "utc": "2033-02-05T03:49:06Z", "ms": 1991188146007.1433 }, "end": { "local": "2033-02-06T05:10:38+03:00", "utc": "2033-02-06T02:10:38Z", "ms": 1991268638200.6035 } }, "kaala": "arunodaya", "days": [ { "local_date": "2033-02-05", "window": { "start": { "local": "2033-02-05T06:14:51+03:00", "utc": "2033-02-05T03:14:51Z", "ms": 1991186090798.3013 }, "end": { "local": "2033-02-05T08:15:35+03:00", "utc": "2033-02-05T05:15:35Z", "ms": 1991193335135.7056 } }, "covered_min": 86, "window_min": 121, "qualifies": true }, { "local_date": "2033-02-06", "window": { "start": { "local": "2033-02-06T06:13:23+03:00", "utc": "2033-02-06T03:13:23Z", "ms": 1991272402706.5862 }, "end": { "local": "2033-02-06T08:13:33+03:00", "utc": "2033-02-06T05:13:33Z", "ms": 1991279613414.2576 } }, "covered_min": 0, "window_min": 120, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:49 on Sat 5 Feb to 05:11 on Sun 6 Feb.", "fact": "2033-02-05T03:49:06Z → 2033-02-06T02:10:38Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 06:15–08:16 on the 5th, 06:13–08:14 on the 6th.", "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 86 of 121 minutes on the 5th and 0 of 120 on the 6th.", "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 2055 s" }, { "step": "ruling", "text": "Ratha Saptamī, Moscow, 2033: Saturday 5 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": "2033-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-02-05", "confidence": "determinate" } ], "quote": "In Moscow, Ratha Saptamī 2033 falls on Saturday 5 February. Saptamī runs from 06:49 on Sat 5 Feb to 05:11 on Sun 6 Feb and covers 86 of 121 minutes of aruṇodaya that dawn.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ekadashi?on=2033-02-09", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14333, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-02-09T03:36:37+03:00", "utc": "2033-02-09T00:36:37Z", "ms": 1991522197306.7283 }, "end": { "local": "2033-02-10T04:06:17+03:00", "utc": "2033-02-10T01:06:17Z", "ms": 1991610376686.4043 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2033-02-09T03:36:37+03:00", "utc": "2033-02-09T00:36:37Z", "ms": 1991522197306.7283 }, "end": { "local": "2033-02-10T04:06:17+03:00", "utc": "2033-02-10T01:06:17Z", "ms": 1991610376686.4043 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-02-09", "window": { "start": { "local": "2033-02-09T08:07:18+03:00", "utc": "2033-02-09T05:07:18Z", "ms": 1991538437939.222 }, "end": { "local": "2033-02-09T08:07:18+03:00", "utc": "2033-02-09T05:07:18Z", "ms": 1991538437939.222 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-02-10", "window": { "start": { "local": "2033-02-10T08:05:10+03:00", "utc": "2033-02-10T05:05:10Z", "ms": 1991624709538.831 }, "end": { "local": "2033-02-10T08:05:10+03:00", "utc": "2033-02-10T05:05:10Z", "ms": 1991624709538.831 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:37 on Wed 9 Feb to 04:06 on Thu 10 Feb.", "fact": "2033-02-09T00:36:37Z → 2033-02-10T01:06:17Z" }, { "step": "kaala", "text": "Sunrise is at 08:07 on the 9th and 08:05 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 14333 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Moscow, 2033: Wednesday 9 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": "2033-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-02-09", "confidence": "determinate" } ], "quote": "In Moscow, Jayā Ekādaśī 2033 falls on Wednesday 9 February. Ekādaśī runs from 03:37 on Wed 9 Feb to 04:06 on Thu 10 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-02-09", "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/2033/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26290, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2033-02-10T04:06:17+03:00", "utc": "2033-02-10T01:06:17Z", "ms": 1991610376686.4043 }, "end": { "local": "2033-02-11T05:01:58+03:00", "utc": "2033-02-11T02:01:58Z", "ms": 1991700118455.6677 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2033-02-10T04:06:17+03:00", "utc": "2033-02-10T01:06:17Z", "ms": 1991610376686.4043 }, "end": { "local": "2033-02-11T05:01:58+03:00", "utc": "2033-02-11T02:01:58Z", "ms": 1991700118455.6677 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-02-10", "window": { "start": { "local": "2033-02-10T12:20:08+03:00", "utc": "2033-02-10T09:20:08Z", "ms": 1991640008288.7632 }, "end": { "local": "2033-02-10T13:08:08+03:00", "utc": "2033-02-10T10:08:08Z", "ms": 1991642888288.7632 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-02-11", "window": { "start": { "local": "2033-02-11T12:20:09+03:00", "utc": "2033-02-11T09:20:09Z", "ms": 1991726408717.2026 }, "end": { "local": "2033-02-11T13:08:09+03:00", "utc": "2033-02-11T10:08:09Z", "ms": 1991729288717.2026 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:06 on Thu 10 Feb to 05:02 on Fri 11 Feb.", "fact": "2033-02-10T01:06:17Z → 2033-02-11T02:01:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 10th, 12:20–13:08 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26290 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Moscow, 2033: Thursday 10 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": "2033-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-02-10", "confidence": "determinate" } ], "quote": "In Moscow, Bhīṣma Dvādaśī 2033 falls on Thursday 10 February. Dvādaśī runs from 04:06 on Thu 10 Feb to 05:02 on Fri 11 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/pradosha-vrata?on=2033-02-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34892, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-02-11T05:01:58+03:00", "utc": "2033-02-11T02:01:58Z", "ms": 1991700118455.6677 }, "end": { "local": "2033-02-12T06:21:24+03:00", "utc": "2033-02-12T03:21:24Z", "ms": 1991791283752.074 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2033-02-11T05:01:58+03:00", "utc": "2033-02-11T02:01:58Z", "ms": 1991700118455.6677 }, "end": { "local": "2033-02-12T06:21:24+03:00", "utc": "2033-02-12T03:21:24Z", "ms": 1991791283752.074 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-02-10", "window": { "start": { "local": "2033-02-10T17:23:07+03:00", "utc": "2033-02-10T14:23:07Z", "ms": 1991658187038.695 }, "end": { "local": "2033-02-10T19:20:26+03:00", "utc": "2033-02-10T16:20:26Z", "ms": 1991665226048.4866 } }, "covered_min": 0, "window_min": 117, "qualifies": false }, { "local_date": "2033-02-11", "window": { "start": { "local": "2033-02-11T17:25:18+03:00", "utc": "2033-02-11T14:25:18Z", "ms": 1991744717822.273 }, "end": { "local": "2033-02-11T19:22:02+03:00", "utc": "2033-02-11T16:22:02Z", "ms": 1991751721874.52 } }, "covered_min": 117, "window_min": 117, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:02 on Fri 11 Feb to 06:21 on Sat 12 Feb.", "fact": "2033-02-11T02:01:58Z → 2033-02-12T03:21:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:23–19:20 on the 10th, 17:25–19:22 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 117 minutes on the 10th and 117 of 117 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 34892 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2033: Friday 11 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": "2033-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-02-11", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2033 falls on Friday 11 February. Trayodaśī runs from 05:02 on Fri 11 Feb to 06:21 on Sat 12 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-02-11", "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/2033/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8151, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2033-02-13T08:02:43+03:00", "utc": "2033-02-13T05:02:43Z", "ms": 1991883762968.265 }, "end": { "local": "2033-02-14T10:04:14+03:00", "utc": "2033-02-14T07:04:14Z", "ms": 1991977453989.381 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2033-02-13T08:02:43+03:00", "utc": "2033-02-13T05:02:43Z", "ms": 1991883762968.265 }, "end": { "local": "2033-02-14T10:04:14+03:00", "utc": "2033-02-14T07:04:14Z", "ms": 1991977453989.381 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-02-13", "window": { "start": { "local": "2033-02-13T12:20:07+03:00", "utc": "2033-02-13T09:20:07Z", "ms": 1991899207261.281 }, "end": { "local": "2033-02-13T13:08:07+03:00", "utc": "2033-02-13T10:08:07Z", "ms": 1991902087261.281 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-02-14", "window": { "start": { "local": "2033-02-14T12:20:05+03:00", "utc": "2033-02-14T09:20:05Z", "ms": 1991985605404.3335 }, "end": { "local": "2033-02-14T13:08:05+03:00", "utc": "2033-02-14T10:08:05Z", "ms": 1991988485404.3335 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:03 on Sun 13 Feb to 10:04 on Mon 14 Feb.", "fact": "2033-02-13T05:02:43Z → 2033-02-14T07:04:14Z" }, { "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 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8151 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Moscow, 2033: Sunday 13 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": "2033-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-02-13", "confidence": "determinate" } ], "quote": "In Moscow, Māghī Pūrṇimā 2033 falls on Sunday 13 February. Pūrṇimā runs from 08:03 on Sun 13 Feb to 10:04 on Mon 14 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/sankashta-chaturthi?on=2033-02-17", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-02-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8050, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-02-17T17:38:59+03:00", "utc": "2033-02-17T14:38:59Z", "ms": 1992263938707.7346 }, "end": { "local": "2033-02-18T20:20:09+03:00", "utc": "2033-02-18T17:20:09Z", "ms": 1992360008595.8489 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2033-02-17T17:38:59+03:00", "utc": "2033-02-17T14:38:59Z", "ms": 1992263938707.7346 }, "end": { "local": "2033-02-18T20:20:09+03:00", "utc": "2033-02-18T17:20:09Z", "ms": 1992360008595.8489 } }, "kaala": "moonrise", "days": [ { "local_date": "2033-02-17", "window": { "start": { "local": "2033-02-17T21:28:05+03:00", "utc": "2033-02-17T18:28:05Z", "ms": 1992277685262.7795 }, "end": { "local": "2033-02-17T21:28:05+03:00", "utc": "2033-02-17T18:28:05Z", "ms": 1992277685262.7795 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-02-18", "window": { "start": { "local": "2033-02-18T22:34:19+03:00", "utc": "2033-02-18T19:34:19Z", "ms": 1992368058943.222 }, "end": { "local": "2033-02-18T22:34:19+03:00", "utc": "2033-02-18T19:34:19Z", "ms": 1992368058943.222 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:39 on Thu 17 Feb to 20:20 on Fri 18 Feb.", "fact": "2033-02-17T14:38:59Z → 2033-02-18T17:20:09Z" }, { "step": "kaala", "text": "Moonrise is at 21:28 on the 17th and 22:34 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 8050 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2033: Thursday 17 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": "2033-02-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-02-17", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2033 falls on Thursday 17 February. Caturthī runs from 17:39 on Thu 17 Feb to 20:20 on Fri 18 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/sankashta-chaturthi?on=2033-02-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/ekadashi?on=2033-02-25", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-02-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19611, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-02-25T02:03:38+03:00", "utc": "2033-02-24T23:03:38Z", "ms": 1992899017657.4954 }, "end": { "local": "2033-02-26T00:15:20+03:00", "utc": "2033-02-25T21:15:20Z", "ms": 1992978920339.6448 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2033-02-25T02:03:38+03:00", "utc": "2033-02-24T23:03:38Z", "ms": 1992899017657.4954 }, "end": { "local": "2033-02-26T00:15:20+03:00", "utc": "2033-02-25T21:15:20Z", "ms": 1992978920339.6448 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-02-25", "window": { "start": { "local": "2033-02-25T07:30:29+03:00", "utc": "2033-02-25T04:30:29Z", "ms": 1992918628980.1736 }, "end": { "local": "2033-02-25T07:30:29+03:00", "utc": "2033-02-25T04:30:29Z", "ms": 1992918628980.1736 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-02-26", "window": { "start": { "local": "2033-02-26T07:28:02+03:00", "utc": "2033-02-26T04:28:02Z", "ms": 1993004882097.222 }, "end": { "local": "2033-02-26T07:28:02+03:00", "utc": "2033-02-26T04:28:02Z", "ms": 1993004882097.222 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:04 on Fri 25 Feb to 00:15 on Sat 26 Feb.", "fact": "2033-02-24T23:03:38Z → 2033-02-25T21:15:20Z" }, { "step": "kaala", "text": "Sunrise is at 07:30 on the 25th and 07:28 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 19611 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Moscow, 2033: Friday 25 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": "2033-02-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-02-25", "confidence": "determinate" } ], "quote": "In Moscow, Vijayā Ekādaśī 2033 falls on Friday 25 February. Ekādaśī runs from 02:04 on Fri 25 Feb to 00:15 on Sat 26 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-02-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20368, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2033-02-27T18:37:58+03:00", "utc": "2033-02-27T15:37:58Z", "ms": 1993131477990.7097 }, "end": { "local": "2033-02-28T15:07:35+03:00", "utc": "2033-02-28T12:07:35Z", "ms": 1993205255237.2463 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2033-02-27T18:37:58+03:00", "utc": "2033-02-27T15:37:58Z", "ms": 1993131477990.7097 }, "end": { "local": "2033-02-28T15:07:35+03:00", "utc": "2033-02-28T12:07:35Z", "ms": 1993205255237.2463 } }, "kaala": "nishita", "days": [ { "local_date": "2033-02-27", "window": { "start": { "local": "2033-02-28T00:17:26+03:00", "utc": "2033-02-27T21:17:26Z", "ms": 1993151846157.0483 }, "end": { "local": "2033-02-28T01:05:26+03:00", "utc": "2033-02-27T22:05:26Z", "ms": 1993154726157.0483 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-02-28", "window": { "start": { "local": "2033-03-01T00:17:15+03:00", "utc": "2033-02-28T21:17:15Z", "ms": 1993238235136.7615 }, "end": { "local": "2033-03-01T01:05:15+03:00", "utc": "2033-02-28T22:05:15Z", "ms": 1993241115136.7615 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:38 on Sun 27 Feb to 15:08 on Mon 28 Feb.", "fact": "2033-02-27T15:37:58Z → 2033-02-28T12:07:35Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:17–01:05 on the 27th, 00:17–01:05 on the 28th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 20368 s" }, { "step": "ruling", "text": "Mahāśivarātri, Moscow, 2033: Sunday 27 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": "2033-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-02-27", "confidence": "determinate" } ], "quote": "In Moscow, Mahāśivarātri 2033 falls on Sunday 27 February. Caturdaśī runs from 18:38 on Sun 27 Feb to 15:08 on Mon 28 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/pradosha-vrata?on=2033-02-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2292, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-02-26T21:43:55+03:00", "utc": "2033-02-26T18:43:55Z", "ms": 1993056234654.4622 }, "end": { "local": "2033-02-27T18:37:58+03:00", "utc": "2033-02-27T15:37:58Z", "ms": 1993131477990.7097 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2033-02-26T21:43:55+03:00", "utc": "2033-02-26T18:43:55Z", "ms": 1993056234654.4622 }, "end": { "local": "2033-02-27T18:37:58+03:00", "utc": "2033-02-27T15:37:58Z", "ms": 1993131477990.7097 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-02-26", "window": { "start": { "local": "2033-02-26T17:57:39+03:00", "utc": "2033-02-26T14:57:39Z", "ms": 1993042658904.2546 }, "end": { "local": "2033-02-26T19:45:22+03:00", "utc": "2033-02-26T16:45:22Z", "ms": 1993049122307.6003 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "2033-02-27", "window": { "start": { "local": "2033-02-27T17:59:46+03:00", "utc": "2033-02-27T14:59:46Z", "ms": 1993129186301.694 }, "end": { "local": "2033-02-27T19:46:53+03:00", "utc": "2033-02-27T16:46:53Z", "ms": 1993135612929.7886 } }, "covered_min": 38, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:44 on Sat 26 Feb to 18:38 on Sun 27 Feb.", "fact": "2033-02-26T18:43:55Z → 2033-02-27T15:37:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:45 on the 26th, 18:00–19:47 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 108 minutes on the 26th and 38 of 107 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 2292 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2033: Sunday 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": "2033-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-02-27", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2033 falls on Sunday 27 February. Trayodaśī runs from 21:44 on Sat 26 Feb to 18:38 on Sun 27 Feb and covers 38 of 107 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-02-27", "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/2033/vinayaka-chaturthi?on=2033-03-04", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30997, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-03-04T00:36:51+03:00", "utc": "2033-03-03T21:36:51Z", "ms": 1993498610867.7754 }, "end": { "local": "2033-03-04T21:42:19+03:00", "utc": "2033-03-04T18:42:19Z", "ms": 1993574539396.5752 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2033-03-04T00:36:51+03:00", "utc": "2033-03-03T21:36:51Z", "ms": 1993498610867.7754 }, "end": { "local": "2033-03-04T21:42:19+03:00", "utc": "2033-03-04T18:42:19Z", "ms": 1993574539396.5752 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-03-03", "window": { "start": { "local": "2033-03-03T12:17:55+03:00", "utc": "2033-03-03T09:17:55Z", "ms": 1993454274680.6924 }, "end": { "local": "2033-03-03T13:05:55+03:00", "utc": "2033-03-03T10:05:55Z", "ms": 1993457154680.6924 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-03-04", "window": { "start": { "local": "2033-03-04T12:17:42+03:00", "utc": "2033-03-04T09:17:42Z", "ms": 1993540662039.7812 }, "end": { "local": "2033-03-04T13:05:42+03:00", "utc": "2033-03-04T10:05:42Z", "ms": 1993543542039.7812 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:37 on Fri 4 Mar to 21:42 on Fri 4 Mar.", "fact": "2033-03-03T21:36:51Z → 2033-03-04T18:42:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 3rd, 12:18–13:06 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30997 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2033: Friday 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": "2033-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-03-04", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2033 falls on Friday 4 March. Caturthī runs from 00:37 on Fri 4 Mar to 21:42 on Fri 4 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/vinayaka-chaturthi?on=2033-03-04", "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/2033/ekadashi?on=2033-03-11", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39036, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-03-10T17:48:24+03:00", "utc": "2033-03-10T14:48:24Z", "ms": 1994078904016.672 }, "end": { "local": "2033-03-11T19:20:05+03:00", "utc": "2033-03-11T16:20:05Z", "ms": 1994170804964.28 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2033-03-10T17:48:24+03:00", "utc": "2033-03-10T14:48:24Z", "ms": 1994078904016.672 }, "end": { "local": "2033-03-11T19:20:05+03:00", "utc": "2033-03-11T16:20:05Z", "ms": 1994170804964.28 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-03-10", "window": { "start": { "local": "2033-03-10T06:57:48+03:00", "utc": "2033-03-10T03:57:48Z", "ms": 1994039867704.7395 }, "end": { "local": "2033-03-10T06:57:48+03:00", "utc": "2033-03-10T03:57:48Z", "ms": 1994039867704.7395 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-03-11", "window": { "start": { "local": "2033-03-11T06:55:13+03:00", "utc": "2033-03-11T03:55:13Z", "ms": 1994126113155.6807 }, "end": { "local": "2033-03-11T06:55:13+03:00", "utc": "2033-03-11T03:55:13Z", "ms": 1994126113155.6807 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:48 on Thu 10 Mar to 19:20 on Fri 11 Mar.", "fact": "2033-03-10T14:48:24Z → 2033-03-11T16:20:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:58 on the 10th and 06:55 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 39036 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Moscow, 2033: Friday 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": "2033-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-03-11", "confidence": "determinate" } ], "quote": "In Moscow, Āmalakī Ekādaśī 2033 falls on Friday 11 March. Ekādaśī runs from 17:48 on Thu 10 Mar to 19:20 on Fri 11 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-03-11", "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/2033/pradosha-vrata?on=2033-03-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4252, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-03-12T21:16:51+03:00", "utc": "2033-03-12T18:16:51Z", "ms": 1994264211153.3982 }, "end": { "local": "2033-03-13T23:32:34+03:00", "utc": "2033-03-13T20:32:34Z", "ms": 1994358754062.3022 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2033-03-12T21:16:51+03:00", "utc": "2033-03-12T18:16:51Z", "ms": 1994264211153.3982 }, "end": { "local": "2033-03-13T23:32:34+03:00", "utc": "2033-03-13T20:32:34Z", "ms": 1994358754062.3022 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-03-12", "window": { "start": { "local": "2033-03-12T18:26:54+03:00", "utc": "2033-03-12T15:26:54Z", "ms": 1994254013628.888 }, "end": { "local": "2033-03-12T20:05:59+03:00", "utc": "2033-03-12T17:05:59Z", "ms": 1994259958876.6367 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2033-03-13", "window": { "start": { "local": "2033-03-13T18:28:57+03:00", "utc": "2033-03-13T15:28:57Z", "ms": 1994340536722.1746 }, "end": { "local": "2033-03-13T20:07:25+03:00", "utc": "2033-03-13T17:07:25Z", "ms": 1994346444816.542 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:17 on Sat 12 Mar to 23:33 on Sun 13 Mar.", "fact": "2033-03-12T18:16:51Z → 2033-03-13T20:32:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–20:06 on the 12th, 18:29–20:07 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 12th and 98 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 4252 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2033: Sunday 13 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": "2033-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-03-13", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2033 falls on Sunday 13 March. Trayodaśī runs from 21:17 on Sat 12 Mar to 23:33 on Sun 13 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-03-13", "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/2033/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27020, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2033-03-15T02:01:20+03:00", "utc": "2033-03-14T23:01:20Z", "ms": 1994454079973.45 }, "end": { "local": "2033-03-16T04:37:27+03:00", "utc": "2033-03-16T01:37:27Z", "ms": 1994549846965.2114 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2033-03-15T02:01:20+03:00", "utc": "2033-03-14T23:01:20Z", "ms": 1994454079973.45 }, "end": { "local": "2033-03-16T04:37:27+03:00", "utc": "2033-03-16T01:37:27Z", "ms": 1994549846965.2114 } }, "kaala": "sayahna", "days": [ { "local_date": "2033-03-14", "window": { "start": { "local": "2033-03-14T16:10:17+03:00", "utc": "2033-03-14T13:10:17Z", "ms": 1994418617143.92 }, "end": { "local": "2033-03-14T18:31:00+03:00", "utc": "2033-03-14T15:31:00Z", "ms": 1994427059572.4172 } }, "covered_min": 0, "window_min": 141, "qualifies": false }, { "local_date": "2033-03-15", "window": { "start": { "local": "2033-03-15T16:11:24+03:00", "utc": "2033-03-15T13:11:24Z", "ms": 1994505084076.8726 }, "end": { "local": "2033-03-15T18:33:02+03:00", "utc": "2033-03-15T15:33:02Z", "ms": 1994513582196.6318 } }, "covered_min": 142, "window_min": 142, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:01 on Tue 15 Mar to 04:37 on Wed 16 Mar.", "fact": "2033-03-14T23:01:20Z → 2033-03-16T01:37:27Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:10–18:31 on the 14th, 16:11–18:33 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 0 of 141 minutes on the 14th and 142 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 27020 s" }, { "step": "ruling", "text": "Holikā Dahana, Moscow, 2033: Tuesday 15 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": "2033-03-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-03-15", "confidence": "determinate" } ], "quote": "In Moscow, Holikā Dahana 2033 falls on Tuesday 15 March. Pūrṇimā runs from 02:01 on Tue 15 Mar to 04:37 on Wed 16 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-03-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27020, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2033-03-15T02:01:20+03:00", "utc": "2033-03-14T23:01:20Z", "ms": 1994454079973.45 }, "end": { "local": "2033-03-16T04:37:27+03:00", "utc": "2033-03-16T01:37:27Z", "ms": 1994549846965.2114 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2033-03-15T02:01:20+03:00", "utc": "2033-03-14T23:01:20Z", "ms": 1994454079973.45 }, "end": { "local": "2033-03-16T04:37:27+03:00", "utc": "2033-03-16T01:37:27Z", "ms": 1994549846965.2114 } }, "kaala": "sayahna", "days": [ { "local_date": "2033-03-14", "window": { "start": { "local": "2033-03-14T16:10:17+03:00", "utc": "2033-03-14T13:10:17Z", "ms": 1994418617143.92 }, "end": { "local": "2033-03-14T18:31:00+03:00", "utc": "2033-03-14T15:31:00Z", "ms": 1994427059572.4172 } }, "covered_min": 0, "window_min": 141, "qualifies": false }, { "local_date": "2033-03-15", "window": { "start": { "local": "2033-03-15T16:11:24+03:00", "utc": "2033-03-15T13:11:24Z", "ms": 1994505084076.8726 }, "end": { "local": "2033-03-15T18:33:02+03:00", "utc": "2033-03-15T15:33:02Z", "ms": 1994513582196.6318 } }, "covered_min": 142, "window_min": 142, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2033-03-15", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:01 on Tue 15 Mar to 04:37 on Wed 16 Mar.", "fact": "2033-03-14T23:01:20Z → 2033-03-16T01:37:27Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:10–18:31 on the 14th, 16:11–18:33 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 0 of 141 minutes on the 14th and 142 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 27020 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Tuesday 15 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Moscow, 2033: Wednesday 16 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": "2033-03-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-03-16", "confidence": "determinate" } ], "quote": "In Moscow, Holī 2033 falls on Wednesday 16 March. It is kept the day after Holikā Dahana, which falls on Tuesday 15 March. Pūrṇimā runs from 02:01 on Tue 15 Mar to 04:37 on Wed 16 Mar and covers all of sāyāhna on the 15th.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-03-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2127, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2033-03-16T04:37:27+03:00", "utc": "2033-03-16T01:37:27Z", "ms": 1994549846965.2114 }, "end": { "local": "2033-03-17T07:15:06+03:00", "utc": "2033-03-17T04:15:06Z", "ms": 1994645705991.581 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2033-03-16T04:37:27+03:00", "utc": "2033-03-16T01:37:27Z", "ms": 1994549846965.2114 }, "end": { "local": "2033-03-17T07:15:06+03:00", "utc": "2033-03-17T04:15:06Z", "ms": 1994645705991.581 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-03-16", "window": { "start": { "local": "2033-03-16T06:42:16+03:00", "utc": "2033-03-16T03:42:16Z", "ms": 1994557335521.6177 }, "end": { "local": "2033-03-16T06:42:16+03:00", "utc": "2033-03-16T03:42:16Z", "ms": 1994557335521.6177 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-03-17", "window": { "start": { "local": "2033-03-17T06:39:39+03:00", "utc": "2033-03-17T03:39:39Z", "ms": 1994643579231.4912 }, "end": { "local": "2033-03-17T06:39:39+03:00", "utc": "2033-03-17T03:39:39Z", "ms": 1994643579231.4912 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 04:37 on Wed 16 Mar to 07:15 on Thu 17 Mar.", "fact": "2033-03-16T01:37:27Z → 2033-03-17T04:15:06Z" }, { "step": "kaala", "text": "Sunrise is at 06:42 on the 16th and 06:40 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both sunrises qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 2127 s" }, { "step": "ruling", "text": "Vasantotsava, Moscow, 2033: Wednesday 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": "2033-03-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-03-16", "confidence": "determinate" } ], "quote": "In Moscow, Vasantotsava 2033 falls on Wednesday 16 March. Pratipadā runs from 04:37 on Wed 16 Mar to 07:15 on Thu 17 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/sankashta-chaturthi?on=2033-03-19", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34305, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-03-19T12:08:52+03:00", "utc": "2033-03-19T09:08:52Z", "ms": 1994836132345.0322 }, "end": { "local": "2033-03-20T14:10:02+03:00", "utc": "2033-03-20T11:10:02Z", "ms": 1994929801804.06 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2033-03-19T12:08:52+03:00", "utc": "2033-03-19T09:08:52Z", "ms": 1994836132345.0322 }, "end": { "local": "2033-03-20T14:10:02+03:00", "utc": "2033-03-20T11:10:02Z", "ms": 1994929801804.06 } }, "kaala": "moonrise", "days": [ { "local_date": "2033-03-19", "window": { "start": { "local": "2033-03-19T22:36:53+03:00", "utc": "2033-03-19T19:36:53Z", "ms": 1994873813014.96 }, "end": { "local": "2033-03-19T22:36:53+03:00", "utc": "2033-03-19T19:36:53Z", "ms": 1994873813014.96 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-03-20", "window": { "start": { "local": "2033-03-20T23:41:47+03:00", "utc": "2033-03-20T20:41:47Z", "ms": 1994964106952.8198 }, "end": { "local": "2033-03-20T23:41:47+03:00", "utc": "2033-03-20T20:41:47Z", "ms": 1994964106952.8198 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:09 on Sat 19 Mar to 14:10 on Sun 20 Mar.", "fact": "2033-03-19T09:08:52Z → 2033-03-20T11:10:02Z" }, { "step": "kaala", "text": "Moonrise is at 22:37 on the 19th and 23:42 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 19th and is not on the 20th.", "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 34305 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2033: Saturday 19 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": "2033-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-03-19", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2033 falls on Saturday 19 March. Caturthī runs from 12:09 on Sat 19 Mar to 14:10 on Sun 20 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/sankashta-chaturthi?on=2033-03-19", "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/2033/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12592, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2033-03-23T16:58:05+03:00", "utc": "2033-03-23T13:58:05Z", "ms": 1995199085331.6357 }, "end": { "local": "2033-03-24T16:30:12+03:00", "utc": "2033-03-24T13:30:12Z", "ms": 1995283811763.0837 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2033-03-23T16:58:05+03:00", "utc": "2033-03-23T13:58:05Z", "ms": 1995199085331.6357 }, "end": { "local": "2033-03-24T16:30:12+03:00", "utc": "2033-03-24T13:30:12Z", "ms": 1995283811763.0837 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-03-23", "window": { "start": { "local": "2033-03-23T12:12:38+03:00", "utc": "2033-03-23T09:12:38Z", "ms": 1995181957856.296 }, "end": { "local": "2033-03-23T13:00:38+03:00", "utc": "2033-03-23T10:00:38Z", "ms": 1995184837856.296 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-03-24", "window": { "start": { "local": "2033-03-24T12:12:20+03:00", "utc": "2033-03-24T09:12:20Z", "ms": 1995268340043.9805 }, "end": { "local": "2033-03-24T13:00:20+03:00", "utc": "2033-03-24T10:00:20Z", "ms": 1995271220043.9805 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 16:58 on Wed 23 Mar to 16:30 on Thu 24 Mar.", "fact": "2033-03-23T13:58:05Z → 2033-03-24T13:30:12Z" }, { "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 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12592 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Moscow, 2033: Thursday 24 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": "2033-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-03-24", "confidence": "determinate" } ], "quote": "In Moscow, Śītalāṣṭamī 2033 falls on Thursday 24 March. Aṣṭamī runs from 16:58 on Wed 23 Mar to 16:30 on Thu 24 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ekadashi?on=2033-03-27", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16429, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-03-26T13:21:09+03:00", "utc": "2033-03-26T10:21:09Z", "ms": 1995445269217.7222 }, "end": { "local": "2033-03-27T10:47:20+03:00", "utc": "2033-03-27T07:47:20Z", "ms": 1995522439892.9792 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2033-03-26T13:21:09+03:00", "utc": "2033-03-26T10:21:09Z", "ms": 1995445269217.7222 }, "end": { "local": "2033-03-27T10:47:20+03:00", "utc": "2033-03-27T07:47:20Z", "ms": 1995522439892.9792 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-03-26", "window": { "start": { "local": "2033-03-26T06:16:08+03:00", "utc": "2033-03-26T03:16:08Z", "ms": 1995419767918.9685 }, "end": { "local": "2033-03-26T06:16:08+03:00", "utc": "2033-03-26T03:16:08Z", "ms": 1995419767918.9685 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-03-27", "window": { "start": { "local": "2033-03-27T06:13:31+03:00", "utc": "2033-03-27T03:13:31Z", "ms": 1995506011125.5566 }, "end": { "local": "2033-03-27T06:13:31+03:00", "utc": "2033-03-27T03:13:31Z", "ms": 1995506011125.5566 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:21 on Sat 26 Mar to 10:47 on Sun 27 Mar.", "fact": "2033-03-26T10:21:09Z → 2033-03-27T07:47:20Z" }, { "step": "kaala", "text": "Sunrise is at 06:16 on the 26th and 06:14 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 16429 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Moscow, 2033: Sunday 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": "2033-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-03-27", "confidence": "determinate" } ], "quote": "In Moscow, Pāpamocanī Ekādaśī 2033 falls on Sunday 27 March. Ekādaśī runs from 13:21 on Sat 26 Mar to 10:47 on Sun 27 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-03-27", "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/2033/pradosha-vrata?on=2033-03-28", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28012, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-03-28T07:42:37+03:00", "utc": "2033-03-28T04:42:37Z", "ms": 1995597756903.2588 }, "end": { "local": "2033-03-29T04:15:27+03:00", "utc": "2033-03-29T01:15:27Z", "ms": 1995671726555.1104 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2033-03-28T07:42:37+03:00", "utc": "2033-03-28T04:42:37Z", "ms": 1995597756903.2588 }, "end": { "local": "2033-03-29T04:15:27+03:00", "utc": "2033-03-29T01:15:27Z", "ms": 1995671726555.1104 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-03-27", "window": { "start": { "local": "2033-03-27T18:57:22+03:00", "utc": "2033-03-27T15:57:22Z", "ms": 1995551841964.5466 }, "end": { "local": "2033-03-27T20:27:10+03:00", "utc": "2033-03-27T17:27:10Z", "ms": 1995557230294.821 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "2033-03-28", "window": { "start": { "local": "2033-03-28T18:59:23+03:00", "utc": "2033-03-28T15:59:23Z", "ms": 1995638363065.7783 }, "end": { "local": "2033-03-28T20:28:34+03:00", "utc": "2033-03-28T17:28:34Z", "ms": 1995643714376.2014 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:43 on Mon 28 Mar to 04:15 on Tue 29 Mar.", "fact": "2033-03-28T04:42:37Z → 2033-03-29T01:15:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:27 on the 27th, 18:59–20:29 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 28012 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2033: Monday 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": "2033-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-03-28", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2033 falls on Monday 28 March. Trayodaśī runs from 07:43 on Mon 28 Mar to 04:15 on Tue 29 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-03-28", "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/2033/shivaratri?on=2033-03-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1342, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2033-03-29T04:15:27+03:00", "utc": "2033-03-29T01:15:27Z", "ms": 1995671726555.1104 }, "end": { "local": "2033-03-30T00:35:11+03:00", "utc": "2033-03-29T21:35:11Z", "ms": 1995744910578.6787 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2033-03-29T04:15:27+03:00", "utc": "2033-03-29T01:15:27Z", "ms": 1995671726555.1104 }, "end": { "local": "2033-03-30T00:35:11+03:00", "utc": "2033-03-29T21:35:11Z", "ms": 1995744910578.6787 } }, "kaala": "nishita", "days": [ { "local_date": "2033-03-28", "window": { "start": { "local": "2033-03-29T00:09:50+03:00", "utc": "2033-03-28T21:09:50Z", "ms": 1995656990479.8645 }, "end": { "local": "2033-03-29T00:57:50+03:00", "utc": "2033-03-28T21:57:50Z", "ms": 1995659870479.8645 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-03-29", "window": { "start": { "local": "2033-03-30T00:09:33+03:00", "utc": "2033-03-29T21:09:33Z", "ms": 1995743372818.3994 }, "end": { "local": "2033-03-30T00:57:33+03:00", "utc": "2033-03-29T21:57:33Z", "ms": 1995746252818.3994 } }, "covered_min": 26, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:15 on Tue 29 Mar to 00:35 on Wed 30 Mar.", "fact": "2033-03-29T01:15:27Z → 2033-03-29T21:35:11Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:10–00:58 on the 28th, 00:10–00:58 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 26 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 1342 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2033: Tuesday 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": "2033-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-03-29", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2033 falls on Tuesday 29 March. Caturdaśī runs from 04:15 on Tue 29 Mar to 00:35 on Wed 30 Mar and covers 26 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2033/shivaratri?on=2033-03-29", "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/2033/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15399, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2033-03-30T20:51:40+03:00", "utc": "2033-03-30T17:51:40Z", "ms": 1995817900160.128 }, "end": { "local": "2033-03-31T17:14:55+03:00", "utc": "2033-03-31T14:14:55Z", "ms": 1995891294596.7458 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2033-03-30T20:51:40+03:00", "utc": "2033-03-30T17:51:40Z", "ms": 1995817900160.128 }, "end": { "local": "2033-03-31T17:14:55+03:00", "utc": "2033-03-31T14:14:55Z", "ms": 1995891294596.7458 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-03-30", "window": { "start": { "local": "2033-03-30T12:10:33+03:00", "utc": "2033-03-30T09:10:33Z", "ms": 1995786633332.567 }, "end": { "local": "2033-03-30T12:58:33+03:00", "utc": "2033-03-30T09:58:33Z", "ms": 1995789513332.567 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-03-31", "window": { "start": { "local": "2033-03-31T12:10:16+03:00", "utc": "2033-03-31T09:10:16Z", "ms": 1995873015731.9092 }, "end": { "local": "2033-03-31T12:58:16+03:00", "utc": "2033-03-31T09:58:16Z", "ms": 1995875895731.9092 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 20:52 on Wed 30 Mar to 17:15 on Thu 31 Mar.", "fact": "2033-03-30T17:51:40Z → 2033-03-31T14:14:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 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 15399 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Moscow, 2033: Thursday 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": "2033-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-03-31", "confidence": "determinate" } ], "quote": "In Moscow, Navarātrārambha (Caitra) (Chaitra Navratri) 2033 falls on Thursday 31 March. Pratipadā runs from 20:52 on Wed 30 Mar to 17:15 on Thu 31 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3404, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2033-04-01T13:54:42+03:00", "utc": "2033-04-01T10:54:42Z", "ms": 1995965681791.8835 }, "end": { "local": "2033-04-02T11:00:17+03:00", "utc": "2033-04-02T08:00:17Z", "ms": 1996041617118.8455 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2033-04-01T13:54:42+03:00", "utc": "2033-04-01T10:54:42Z", "ms": 1995965681791.8835 }, "end": { "local": "2033-04-02T11:00:17+03:00", "utc": "2033-04-02T08:00:17Z", "ms": 1996041617118.8455 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-04-01", "window": { "start": { "local": "2033-04-01T12:09:58+03:00", "utc": "2033-04-01T09:09:58Z", "ms": 1995959398222.939 }, "end": { "local": "2033-04-01T12:57:58+03:00", "utc": "2033-04-01T09:57:58Z", "ms": 1995962278222.939 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-04-02", "window": { "start": { "local": "2033-04-02T12:09:41+03:00", "utc": "2033-04-02T09:09:41Z", "ms": 1996045780819.5527 }, "end": { "local": "2033-04-02T12:57:41+03:00", "utc": "2033-04-02T09:57:41Z", "ms": 1996048660819.5527 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:55 on Fri 1 Apr to 11:00 on Sat 2 Apr.", "fact": "2033-04-01T10:54:42Z → 2033-04-02T08:00:17Z" }, { "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 3404 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Moscow, 2033: Saturday 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": "2033-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-04-02", "confidence": "boundary" } ], "quote": "In Moscow, Gaurī Tṛtīyā (Gangaur) 2033 falls on Saturday 2 April. Tṛtīyā runs from 13:55 on Fri 1 Apr to 11:00 on Sat 2 Apr, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3404, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2033-04-01T13:54:42+03:00", "utc": "2033-04-01T10:54:42Z", "ms": 1995965681791.8835 }, "end": { "local": "2033-04-02T11:00:17+03:00", "utc": "2033-04-02T08:00:17Z", "ms": 1996041617118.8455 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2033-04-01T13:54:42+03:00", "utc": "2033-04-01T10:54:42Z", "ms": 1995965681791.8835 }, "end": { "local": "2033-04-02T11:00:17+03:00", "utc": "2033-04-02T08:00:17Z", "ms": 1996041617118.8455 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-04-01", "window": { "start": { "local": "2033-04-01T12:09:58+03:00", "utc": "2033-04-01T09:09:58Z", "ms": 1995959398222.939 }, "end": { "local": "2033-04-01T12:57:58+03:00", "utc": "2033-04-01T09:57:58Z", "ms": 1995962278222.939 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-04-02", "window": { "start": { "local": "2033-04-02T12:09:41+03:00", "utc": "2033-04-02T09:09:41Z", "ms": 1996045780819.5527 }, "end": { "local": "2033-04-02T12:57:41+03:00", "utc": "2033-04-02T09:57:41Z", "ms": 1996048660819.5527 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:55 on Fri 1 Apr to 11:00 on Sat 2 Apr.", "fact": "2033-04-01T10:54:42Z → 2033-04-02T08:00:17Z" }, { "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 3404 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Moscow, 2033: Saturday 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": "2033-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-04-02", "confidence": "boundary" } ], "quote": "In Moscow, Saubhāgya Śayana Vrata 2033 falls on Saturday 2 April. Tṛtīyā runs from 13:55 on Fri 1 Apr to 11:00 on Sat 2 Apr, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/vinayaka-chaturthi?on=2033-04-02", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4164, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-04-02T11:00:17+03:00", "utc": "2033-04-02T08:00:17Z", "ms": 1996041617118.8455 }, "end": { "local": "2033-04-03T08:39:57+03:00", "utc": "2033-04-03T05:39:57Z", "ms": 1996119597494.4385 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2033-04-02T11:00:17+03:00", "utc": "2033-04-02T08:00:17Z", "ms": 1996041617118.8455 }, "end": { "local": "2033-04-03T08:39:57+03:00", "utc": "2033-04-03T05:39:57Z", "ms": 1996119597494.4385 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-04-02", "window": { "start": { "local": "2033-04-02T12:09:41+03:00", "utc": "2033-04-02T09:09:41Z", "ms": 1996045780819.5527 }, "end": { "local": "2033-04-02T12:57:41+03:00", "utc": "2033-04-02T09:57:41Z", "ms": 1996048660819.5527 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-04-03", "window": { "start": { "local": "2033-04-03T12:09:24+03:00", "utc": "2033-04-03T09:09:24Z", "ms": 1996132163536.31 }, "end": { "local": "2033-04-03T12:57:24+03:00", "utc": "2033-04-03T09:57:24Z", "ms": 1996135043536.31 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:00 on Sat 2 Apr to 08:40 on Sun 3 Apr.", "fact": "2033-04-02T08:00:17Z → 2033-04-03T05:39:57Z" }, { "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 4164 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2033: Saturday 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": "2033-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-04-02", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2033 falls on Saturday 2 April. Caturthī runs from 11:00 on Sat 2 Apr to 08:40 on Sun 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/vinayaka-chaturthi?on=2033-04-02", "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/2033/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12566, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2033-04-03T08:39:57+03:00", "utc": "2033-04-03T05:39:57Z", "ms": 1996119597494.4385 }, "end": { "local": "2033-04-04T07:00:29+03:00", "utc": "2033-04-04T04:00:29Z", "ms": 1996200028969.8406 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2033-04-03T08:39:57+03:00", "utc": "2033-04-03T05:39:57Z", "ms": 1996119597494.4385 }, "end": { "local": "2033-04-04T07:00:29+03:00", "utc": "2033-04-04T04:00:29Z", "ms": 1996200028969.8406 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-04-03", "window": { "start": { "local": "2033-04-03T12:09:24+03:00", "utc": "2033-04-03T09:09:24Z", "ms": 1996132163536.31 }, "end": { "local": "2033-04-03T12:57:24+03:00", "utc": "2033-04-03T09:57:24Z", "ms": 1996135043536.31 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-04-04", "window": { "start": { "local": "2033-04-04T12:09:06+03:00", "utc": "2033-04-04T09:09:06Z", "ms": 1996218546388.707 }, "end": { "local": "2033-04-04T12:57:06+03:00", "utc": "2033-04-04T09:57:06Z", "ms": 1996221426388.707 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:40 on Sun 3 Apr to 07:00 on Mon 4 Apr.", "fact": "2033-04-03T05:39:57Z → 2033-04-04T04:00:29Z" }, { "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 12566 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Moscow, 2033: Sunday 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": "2033-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-04-03", "confidence": "determinate" } ], "quote": "In Moscow, Lakṣmī Pañcamī 2033 falls on Sunday 3 April. Pañcamī runs from 08:40 on Sun 3 Apr to 07:00 on Mon 4 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19747, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2033-04-06T05:59:49+03:00", "utc": "2033-04-06T02:59:49Z", "ms": 1996369189367.9763 }, "end": { "local": "2033-04-07T06:39:08+03:00", "utc": "2033-04-07T03:39:08Z", "ms": 1996457948440.8867 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2033-04-06T05:59:49+03:00", "utc": "2033-04-06T02:59:49Z", "ms": 1996369189367.9763 }, "end": { "local": "2033-04-07T06:39:08+03:00", "utc": "2033-04-07T03:39:08Z", "ms": 1996457948440.8867 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-04-06", "window": { "start": { "local": "2033-04-06T12:08:33+03:00", "utc": "2033-04-06T09:08:33Z", "ms": 1996391312567.0823 }, "end": { "local": "2033-04-06T12:56:33+03:00", "utc": "2033-04-06T09:56:33Z", "ms": 1996394192567.0823 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-04-07", "window": { "start": { "local": "2033-04-07T12:08:16+03:00", "utc": "2033-04-07T09:08:16Z", "ms": 1996477695928.2314 }, "end": { "local": "2033-04-07T12:56:16+03:00", "utc": "2033-04-07T09:56:16Z", "ms": 1996480575928.2314 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 06:00 on Wed 6 Apr to 06:39 on Thu 7 Apr.", "fact": "2033-04-06T02:59:49Z → 2033-04-07T03:39:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 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 19747 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Moscow, 2033: Wednesday 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": "2033-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-04-06", "confidence": "determinate" } ], "quote": "In Moscow, Bhavānī Utpatti 2033 falls on Wednesday 6 April. Aṣṭamī runs from 06:00 on Wed 6 Apr to 06:39 on Thu 7 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14892, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2033-04-07T06:39:08+03:00", "utc": "2033-04-07T03:39:08Z", "ms": 1996457948440.8867 }, "end": { "local": "2033-04-08T07:59:47+03:00", "utc": "2033-04-08T04:59:47Z", "ms": 1996549187024.926 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2033-04-07T06:39:08+03:00", "utc": "2033-04-07T03:39:08Z", "ms": 1996457948440.8867 }, "end": { "local": "2033-04-08T07:59:47+03:00", "utc": "2033-04-08T04:59:47Z", "ms": 1996549187024.926 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-04-07", "window": { "start": { "local": "2033-04-07T12:08:16+03:00", "utc": "2033-04-07T09:08:16Z", "ms": 1996477695928.2314 }, "end": { "local": "2033-04-07T12:56:16+03:00", "utc": "2033-04-07T09:56:16Z", "ms": 1996480575928.2314 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-04-08", "window": { "start": { "local": "2033-04-08T12:07:59+03:00", "utc": "2033-04-08T09:07:59Z", "ms": 1996564079494.9512 }, "end": { "local": "2033-04-08T12:55:59+03:00", "utc": "2033-04-08T09:55:59Z", "ms": 1996566959494.9512 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 06:39 on Thu 7 Apr to 08:00 on Fri 8 Apr.", "fact": "2033-04-07T03:39:08Z → 2033-04-08T04:59:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 7th, 12:08–12:56 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14892 s" }, { "step": "ruling", "text": "Rāma Navamī, Moscow, 2033: Thursday 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": "2033-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-04-07", "confidence": "determinate" } ], "quote": "In Moscow, Rāma Navamī 2033 falls on Thursday 7 April. Navamī runs from 06:39 on Thu 7 Apr to 08:00 on Fri 8 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ekadashi?on=2033-04-10", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15262, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-04-09T09:54:14+03:00", "utc": "2033-04-09T06:54:14Z", "ms": 1996642453990.75 }, "end": { "local": "2033-04-10T12:13:02+03:00", "utc": "2033-04-10T09:13:02Z", "ms": 1996737181636.594 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2033-04-09T09:54:14+03:00", "utc": "2033-04-09T06:54:14Z", "ms": 1996642453990.75 }, "end": { "local": "2033-04-10T12:13:02+03:00", "utc": "2033-04-10T09:13:02Z", "ms": 1996737181636.594 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-04-09", "window": { "start": { "local": "2033-04-09T05:39:52+03:00", "utc": "2033-04-09T02:39:52Z", "ms": 1996627192355.737 }, "end": { "local": "2033-04-09T05:39:52+03:00", "utc": "2033-04-09T02:39:52Z", "ms": 1996627192355.737 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-04-10", "window": { "start": { "local": "2033-04-10T05:37:20+03:00", "utc": "2033-04-10T02:37:20Z", "ms": 1996713439553.8992 }, "end": { "local": "2033-04-10T05:37:20+03:00", "utc": "2033-04-10T02:37:20Z", "ms": 1996713439553.8992 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:54 on Sat 9 Apr to 12:13 on Sun 10 Apr.", "fact": "2033-04-09T06:54:14Z → 2033-04-10T09:13:02Z" }, { "step": "kaala", "text": "Sunrise is at 05:40 on the 9th and 05:37 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15262 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Moscow, 2033: Sunday 10 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": "2033-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-04-10", "confidence": "determinate" } ], "quote": "In Moscow, Kāmadā Ekādaśī 2033 falls on Sunday 10 April. Ekādaśī runs from 09:54 on Sat 9 Apr to 12:13 on Sun 10 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-04-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/pradosha-vrata?on=2033-04-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7586, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-04-11T14:45:57+03:00", "utc": "2033-04-11T11:45:57Z", "ms": 1996832757193.057 }, "end": { "local": "2033-04-12T17:23:11+03:00", "utc": "2033-04-12T14:23:11Z", "ms": 1996928590787.5486 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2033-04-11T14:45:57+03:00", "utc": "2033-04-11T11:45:57Z", "ms": 1996832757193.057 }, "end": { "local": "2033-04-12T17:23:11+03:00", "utc": "2033-04-12T14:23:11Z", "ms": 1996928590787.5486 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-04-11", "window": { "start": { "local": "2033-04-11T19:27:36+03:00", "utc": "2033-04-11T16:27:36Z", "ms": 1996849655965.788 }, "end": { "local": "2033-04-11T20:48:13+03:00", "utc": "2033-04-11T17:48:13Z", "ms": 1996854493239.592 } }, "covered_min": 81, "window_min": 81, "qualifies": true }, { "local_date": "2033-04-12", "window": { "start": { "local": "2033-04-12T19:29:37+03:00", "utc": "2033-04-12T16:29:37Z", "ms": 1996936176861.5957 }, "end": { "local": "2033-04-12T20:49:38+03:00", "utc": "2033-04-12T17:49:38Z", "ms": 1996940977860.7273 } }, "covered_min": 0, "window_min": 80, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:46 on Mon 11 Apr to 17:23 on Tue 12 Apr.", "fact": "2033-04-11T11:45:57Z → 2033-04-12T14:23:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:28–20:48 on the 11th, 19:30–20:50 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 81 of 81 minutes on the 11th and 0 of 80 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 7586 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2033: Monday 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": "2033-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-04-11", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2033 falls on Monday 11 April. Trayodaśī runs from 14:46 on Mon 11 Apr to 17:23 on Tue 12 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-04-11", "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/2033/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6646, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-04-11T14:45:57+03:00", "utc": "2033-04-11T11:45:57Z", "ms": 1996832757193.057 }, "end": { "local": "2033-04-12T17:23:11+03:00", "utc": "2033-04-12T14:23:11Z", "ms": 1996928590787.5486 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2033-04-11T14:45:57+03:00", "utc": "2033-04-11T11:45:57Z", "ms": 1996832757193.057 }, "end": { "local": "2033-04-12T17:23:11+03:00", "utc": "2033-04-12T14:23:11Z", "ms": 1996928590787.5486 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-04-11", "window": { "start": { "local": "2033-04-11T12:07:12+03:00", "utc": "2033-04-11T09:07:12Z", "ms": 1996823231614.785 }, "end": { "local": "2033-04-11T12:55:12+03:00", "utc": "2033-04-11T09:55:12Z", "ms": 1996826111614.785 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-04-12", "window": { "start": { "local": "2033-04-12T12:06:56+03:00", "utc": "2033-04-12T09:06:56Z", "ms": 1996909616190.457 }, "end": { "local": "2033-04-12T12:54:56+03:00", "utc": "2033-04-12T09:54:56Z", "ms": 1996912496190.457 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:46 on Mon 11 Apr to 17:23 on Tue 12 Apr.", "fact": "2033-04-11T11:45:57Z → 2033-04-12T14:23:11Z" }, { "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 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6646 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Moscow, 2033: Tuesday 12 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": "2033-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-04-12", "confidence": "determinate" } ], "quote": "In Moscow, Anaṅga Trayodaśī 2033 falls on Tuesday 12 April. Trayodaśī runs from 14:46 on Mon 11 Apr to 17:23 on Tue 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12737, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2033-04-14T01:54:57+03:00", "utc": "2033-04-13T22:54:57Z", "ms": 1997045696627.3135 }, "end": { "local": "2033-05-14T22:46:08+03:00", "utc": "2033-05-14T19:46:08Z", "ms": 1999712767759.167 } }, "span": { "of": "transit", "start": { "local": "2033-04-14T01:54:57+03:00", "utc": "2033-04-13T22:54:57Z", "ms": 1997045696627.3135 }, "end": { "local": "2033-04-14T01:54:57+03:00", "utc": "2033-04-13T22:54:57Z", "ms": 1997045696627.3135 } }, "kaala": "day", "days": [ { "local_date": "2033-04-13", "window": { "start": { "local": "2033-04-13T05:29:44+03:00", "utc": "2033-04-13T02:29:44Z", "ms": 1996972184355.0818 }, "end": { "local": "2033-04-14T05:27:14+03:00", "utc": "2033-04-14T02:27:14Z", "ms": 1997058433806.3347 } }, "covered_min": 1, "window_min": 1437, "qualifies": true }, { "local_date": "2033-04-14", "window": { "start": { "local": "2033-04-14T05:27:14+03:00", "utc": "2033-04-14T02:27:14Z", "ms": 1997058433806.3347 }, "end": { "local": "2033-04-15T05:24:44+03:00", "utc": "2033-04-15T02:24:44Z", "ms": 1997144683909.064 } }, "covered_min": 0, "window_min": 1438, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 01:55 on Thu 14 Apr.", "fact": "2033-04-13T22:54:57Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:30 on the 13th, and from 05:27 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 12737 s" }, { "step": "ruling", "text": "Vaiśākhī, Moscow, 2033: Wednesday 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": "2033-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2033-04-14", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2033-04-14", "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 2033 falls on Wednesday 13 April. The Sun enters Meṣa at 01:55 on Thu 14 Apr, and the rule counts the day from sunrise. Counted from midnight, or by the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16095, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2033-04-12T17:23:11+03:00", "utc": "2033-04-12T14:23:11Z", "ms": 1996928590787.5486 }, "end": { "local": "2033-04-13T19:56:03+03:00", "utc": "2033-04-13T16:56:03Z", "ms": 1997024162943.6677 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2033-04-12T17:23:11+03:00", "utc": "2033-04-12T14:23:11Z", "ms": 1996928590787.5486 }, "end": { "local": "2033-04-13T19:56:03+03:00", "utc": "2033-04-13T16:56:03Z", "ms": 1997024162943.6677 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-04-12", "window": { "start": { "local": "2033-04-12T12:06:56+03:00", "utc": "2033-04-12T09:06:56Z", "ms": 1996909616190.457 }, "end": { "local": "2033-04-12T12:54:56+03:00", "utc": "2033-04-12T09:54:56Z", "ms": 1996912496190.457 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-04-13", "window": { "start": { "local": "2033-04-13T12:06:41+03:00", "utc": "2033-04-13T09:06:41Z", "ms": 1996996001065.201 }, "end": { "local": "2033-04-13T12:54:41+03:00", "utc": "2033-04-13T09:54:41Z", "ms": 1996998881065.201 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:23 on Tue 12 Apr to 19:56 on Wed 13 Apr.", "fact": "2033-04-12T14:23:11Z → 2033-04-13T16:56:03Z" }, { "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 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 16095 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Moscow, 2033: Wednesday 13 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": "2033-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-04-13", "confidence": "determinate" } ], "quote": "In Moscow, Viṣṇudamanaka Caturdaśī 2033 falls on Wednesday 13 April. Caturdaśī runs from 17:23 on Tue 12 Apr to 19:56 on Wed 13 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25282, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2033-04-13T19:56:03+03:00", "utc": "2033-04-13T16:56:03Z", "ms": 1997024162943.6677 }, "end": { "local": "2033-04-14T22:17:25+03:00", "utc": "2033-04-14T19:17:25Z", "ms": 1997119044611.664 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2033-04-13T19:56:03+03:00", "utc": "2033-04-13T16:56:03Z", "ms": 1997024162943.6677 }, "end": { "local": "2033-04-14T22:17:25+03:00", "utc": "2033-04-14T19:17:25Z", "ms": 1997119044611.664 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-04-13", "window": { "start": { "local": "2033-04-13T12:06:41+03:00", "utc": "2033-04-13T09:06:41Z", "ms": 1996996001065.201 }, "end": { "local": "2033-04-13T12:54:41+03:00", "utc": "2033-04-13T09:54:41Z", "ms": 1996998881065.201 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-04-14", "window": { "start": { "local": "2033-04-14T12:06:26+03:00", "utc": "2033-04-14T09:06:26Z", "ms": 1997082386257.5886 }, "end": { "local": "2033-04-14T12:54:26+03:00", "utc": "2033-04-14T09:54:26Z", "ms": 1997085266257.5886 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:56 on Wed 13 Apr to 22:17 on Thu 14 Apr.", "fact": "2033-04-13T16:56:03Z → 2033-04-14T19:17:25Z" }, { "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 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25282 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Moscow, 2033: Thursday 14 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": "2033-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-04-14", "confidence": "determinate" } ], "quote": "In Moscow, Caitrī Pūrṇimā 2033 falls on Thursday 14 April. Pūrṇimā runs from 19:56 on Wed 13 Apr to 22:17 on Thu 14 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/sankashta-chaturthi?on=2033-04-18", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16321, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-04-18T03:20:49+03:00", "utc": "2033-04-18T00:20:49Z", "ms": 1997396449032.7727 }, "end": { "local": "2033-04-19T04:09:04+03:00", "utc": "2033-04-19T01:09:04Z", "ms": 1997485744314.1194 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2033-04-18T03:20:49+03:00", "utc": "2033-04-18T00:20:49Z", "ms": 1997396449032.7727 }, "end": { "local": "2033-04-19T04:09:04+03:00", "utc": "2033-04-19T01:09:04Z", "ms": 1997485744314.1194 } }, "kaala": "moonrise", "days": [ { "local_date": "2033-04-17", "window": { "start": { "local": "2033-04-17T22:37:36+03:00", "utc": "2033-04-17T19:37:36Z", "ms": 1997379455802.7737 }, "end": { "local": "2033-04-17T22:37:36+03:00", "utc": "2033-04-17T19:37:36Z", "ms": 1997379455802.7737 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-04-18", "window": { "start": { "local": "2033-04-18T23:37:03+03:00", "utc": "2033-04-18T20:37:03Z", "ms": 1997469423092.6416 }, "end": { "local": "2033-04-18T23:37:03+03:00", "utc": "2033-04-18T20:37:03Z", "ms": 1997469423092.6416 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:21 on Mon 18 Apr to 04:09 on Tue 19 Apr.", "fact": "2033-04-18T00:20:49Z → 2033-04-19T01:09:04Z" }, { "step": "kaala", "text": "Moonrise is at 22:38 on the 17th and 23:37 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 16321 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2033: Monday 18 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": "2033-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-04-18", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2033 falls on Monday 18 April. Caturthī runs from 03:21 on Mon 18 Apr to 04:09 on Tue 19 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/sankashta-chaturthi?on=2033-04-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/ekadashi?on=2033-04-25", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26675, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-04-24T21:35:54+03:00", "utc": "2033-04-24T18:35:54Z", "ms": 1997980553957.7722 }, "end": { "local": "2033-04-25T18:47:10+03:00", "utc": "2033-04-25T15:47:10Z", "ms": 1998056829966.977 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2033-04-24T21:35:54+03:00", "utc": "2033-04-24T18:35:54Z", "ms": 1997980553957.7722 }, "end": { "local": "2033-04-25T18:47:10+03:00", "utc": "2033-04-25T15:47:10Z", "ms": 1998056829966.977 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-04-25", "window": { "start": { "local": "2033-04-25T05:00:29+03:00", "utc": "2033-04-25T02:00:29Z", "ms": 1998007229259.1387 }, "end": { "local": "2033-04-25T05:00:29+03:00", "utc": "2033-04-25T02:00:29Z", "ms": 1998007229259.1387 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-04-26", "window": { "start": { "local": "2033-04-26T04:58:09+03:00", "utc": "2033-04-26T01:58:09Z", "ms": 1998093489129.3433 }, "end": { "local": "2033-04-26T04:58:09+03:00", "utc": "2033-04-26T01:58:09Z", "ms": 1998093489129.3433 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:36 on Sun 24 Apr to 18:47 on Mon 25 Apr.", "fact": "2033-04-24T18:35:54Z → 2033-04-25T15:47:10Z" }, { "step": "kaala", "text": "Sunrise is at 05:00 on the 25th and 04:58 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 26675 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Moscow, 2033: Monday 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": "2033-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-04-25", "confidence": "determinate" } ], "quote": "In Moscow, Varūthinī Ekādaśī 2033 falls on Monday 25 April. Ekādaśī runs from 21:36 on Sun 24 Apr to 18:47 on Mon 25 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-04-25", "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/2033/pradosha-vrata?on=2033-04-26", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15452, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-04-26T15:40:18+03:00", "utc": "2033-04-26T12:40:18Z", "ms": 1998132017795.9653 }, "end": { "local": "2033-04-27T12:22:24+03:00", "utc": "2033-04-27T09:22:24Z", "ms": 1998206544279.4155 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2033-04-26T15:40:18+03:00", "utc": "2033-04-26T12:40:18Z", "ms": 1998132017795.9653 }, "end": { "local": "2033-04-27T12:22:24+03:00", "utc": "2033-04-27T09:22:24Z", "ms": 1998206544279.4155 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-04-26", "window": { "start": { "local": "2033-04-26T19:57:50+03:00", "utc": "2033-04-26T16:57:50Z", "ms": 1998147469877.23 }, "end": { "local": "2033-04-26T21:09:34+03:00", "utc": "2033-04-26T18:09:34Z", "ms": 1998151773912.1387 } }, "covered_min": 72, "window_min": 72, "qualifies": true }, { "local_date": "2033-04-27", "window": { "start": { "local": "2033-04-27T19:59:50+03:00", "utc": "2033-04-27T16:59:50Z", "ms": 1998233990398.69 }, "end": { "local": "2033-04-27T21:11:00+03:00", "utc": "2033-04-27T18:11:00Z", "ms": 1998238259989.5706 } }, "covered_min": 0, "window_min": 71, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:40 on Tue 26 Apr to 12:22 on Wed 27 Apr.", "fact": "2033-04-26T12:40:18Z → 2033-04-27T09:22:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:58–21:10 on the 26th, 20:00–21:11 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 15452 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2033: Tuesday 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": "2033-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-04-26", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2033 falls on Tuesday 26 April. Trayodaśī runs from 15:40 on Tue 26 Apr to 12:22 on Wed 27 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-04-26", "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/2033/shivaratri?on=2033-04-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29448, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2033-04-27T12:22:24+03:00", "utc": "2033-04-27T09:22:24Z", "ms": 1998206544279.4155 }, "end": { "local": "2033-04-28T09:01:30+03:00", "utc": "2033-04-28T06:01:30Z", "ms": 1998280889624.382 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2033-04-27T12:22:24+03:00", "utc": "2033-04-27T09:22:24Z", "ms": 1998206544279.4155 }, "end": { "local": "2033-04-28T09:01:30+03:00", "utc": "2033-04-28T06:01:30Z", "ms": 1998280889624.382 } }, "kaala": "nishita", "days": [ { "local_date": "2033-04-26", "window": { "start": { "local": "2033-04-27T00:02:50+03:00", "utc": "2033-04-26T21:02:50Z", "ms": 1998162170008.1377 }, "end": { "local": "2033-04-27T00:50:50+03:00", "utc": "2033-04-26T21:50:50Z", "ms": 1998165050008.1377 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-04-27", "window": { "start": { "local": "2033-04-28T00:02:41+03:00", "utc": "2033-04-27T21:02:41Z", "ms": 1998248561364.4922 }, "end": { "local": "2033-04-28T00:50:41+03:00", "utc": "2033-04-27T21:50:41Z", "ms": 1998251441364.4922 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:22 on Wed 27 Apr to 09:01 on Thu 28 Apr.", "fact": "2033-04-27T09:22:24Z → 2033-04-28T06:01:30Z" }, { "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 29448 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2033: Wednesday 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": "2033-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-04-27", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2033 falls on Wednesday 27 April. Caturdaśī runs from 12:22 on Wed 27 Apr to 09:01 on Thu 28 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2033/shivaratri?on=2033-04-27", "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/2033/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16691, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2033-05-01T00:08:35+03:00", "utc": "2033-04-30T21:08:35Z", "ms": 1998508115197.0923 }, "end": { "local": "2033-05-01T22:03:50+03:00", "utc": "2033-05-01T19:03:50Z", "ms": 1998587029922.0452 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2033-05-01T00:08:35+03:00", "utc": "2033-04-30T21:08:35Z", "ms": 1998508115197.0923 }, "end": { "local": "2033-05-01T22:03:50+03:00", "utc": "2033-05-01T19:03:50Z", "ms": 1998587029922.0452 } }, "kaala": "purvahna", "days": [ { "local_date": "2033-05-01", "window": { "start": { "local": "2033-05-01T04:46:46+03:00", "utc": "2033-05-01T01:46:46Z", "ms": 1998524806420.9521 }, "end": { "local": "2033-05-01T09:53:48+03:00", "utc": "2033-05-01T06:53:48Z", "ms": 1998543227723.654 } }, "covered_min": 307, "window_min": 307, "qualifies": true }, { "local_date": "2033-05-02", "window": { "start": { "local": "2033-05-02T04:44:34+03:00", "utc": "2033-05-02T01:44:34Z", "ms": 1998611073773.1936 }, "end": { "local": "2033-05-02T09:52:59+03:00", "utc": "2033-05-02T06:52:59Z", "ms": 1998629579039.2288 } }, "covered_min": 0, "window_min": 308, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:09 on Sun 1 May to 22:04 on Sun 1 May.", "fact": "2033-04-30T21:08:35Z → 2033-05-01T19:03:50Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 04:47–09:54 on the 1st, 04:45–09:53 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 307 of 307 minutes on the 1st and 0 of 308 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 16691 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Moscow, 2033: Sunday 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": "2033-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-05-01", "confidence": "determinate" } ], "quote": "In Moscow, Akṣaya Tṛtīyā 2033 falls on Sunday 1 May. Tṛtīyā runs from 00:09 on Sun 1 May to 22:04 on Sun 1 May and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2826, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2033-05-01T00:08:35+03:00", "utc": "2033-04-30T21:08:35Z", "ms": 1998508115197.0923 }, "end": { "local": "2033-05-01T22:03:50+03:00", "utc": "2033-05-01T19:03:50Z", "ms": 1998587029922.0452 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2033-05-01T00:08:35+03:00", "utc": "2033-04-30T21:08:35Z", "ms": 1998508115197.0923 }, "end": { "local": "2033-05-01T22:03:50+03:00", "utc": "2033-05-01T19:03:50Z", "ms": 1998587029922.0452 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-04-30", "window": { "start": { "local": "2033-04-30T20:05:51+03:00", "utc": "2033-04-30T17:05:51Z", "ms": 1998493550748.1936 }, "end": { "local": "2033-04-30T21:15:18+03:00", "utc": "2033-04-30T18:15:18Z", "ms": 1998497718171.228 } }, "covered_min": 0, "window_min": 69, "qualifies": false }, { "local_date": "2033-05-01", "window": { "start": { "local": "2033-05-01T20:07:50+03:00", "utc": "2033-05-01T17:07:50Z", "ms": 1998580070329.058 }, "end": { "local": "2033-05-01T21:16:44+03:00", "utc": "2033-05-01T18:16:44Z", "ms": 1998584204121.6096 } }, "covered_min": 69, "window_min": 69, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:09 on Sun 1 May to 22:04 on Sun 1 May.", "fact": "2033-04-30T21:08:35Z → 2033-05-01T19:03:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:06–21:15 on the 30th, 20:08–21:17 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 69 of 69 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2826 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Moscow, 2033: Sunday 1 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2033-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-05-01", "confidence": "determinate" } ], "quote": "In Moscow, Paraśurāma Jayantī 2033 falls on Sunday 1 May. Tṛtīyā runs from 00:09 on Sun 1 May to 22:04 on Sun 1 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/vinayaka-chaturthi?on=2033-05-02", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28054, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-05-01T22:03:50+03:00", "utc": "2033-05-01T19:03:50Z", "ms": 1998587029922.0452 }, "end": { "local": "2033-05-02T20:38:46+03:00", "utc": "2033-05-02T17:38:46Z", "ms": 1998668325743.9958 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2033-05-01T22:03:50+03:00", "utc": "2033-05-01T19:03:50Z", "ms": 1998587029922.0452 }, "end": { "local": "2033-05-02T20:38:46+03:00", "utc": "2033-05-02T17:38:46Z", "ms": 1998668325743.9958 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-05-01", "window": { "start": { "local": "2033-05-01T12:03:18+03:00", "utc": "2033-05-01T09:03:18Z", "ms": 1998550998375.0051 }, "end": { "local": "2033-05-01T12:51:18+03:00", "utc": "2033-05-01T09:51:18Z", "ms": 1998553878375.0051 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-05-02", "window": { "start": { "local": "2033-05-02T12:03:12+03:00", "utc": "2033-05-02T09:03:12Z", "ms": 1998637391672.246 }, "end": { "local": "2033-05-02T12:51:12+03:00", "utc": "2033-05-02T09:51:12Z", "ms": 1998640271672.246 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:04 on Sun 1 May to 20:39 on Mon 2 May.", "fact": "2033-05-01T19:03:50Z → 2033-05-02T17:38:46Z" }, { "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 28054 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2033: Monday 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": "2033-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-05-02", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2033 falls on Monday 2 May. Caturthī runs from 22:04 on Sun 1 May to 20:39 on Mon 2 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/vinayaka-chaturthi?on=2033-05-02", "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/2033/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25669, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2033-05-02T20:38:46+03:00", "utc": "2033-05-02T17:38:46Z", "ms": 1998668325743.9958 }, "end": { "local": "2033-05-03T19:58:55+03:00", "utc": "2033-05-03T16:58:55Z", "ms": 1998752334597.0881 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2033-05-02T20:38:46+03:00", "utc": "2033-05-02T17:38:46Z", "ms": 1998668325743.9958 }, "end": { "local": "2033-05-03T19:58:55+03:00", "utc": "2033-05-03T16:58:55Z", "ms": 1998752334597.0881 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-05-02", "window": { "start": { "local": "2033-05-02T12:03:12+03:00", "utc": "2033-05-02T09:03:12Z", "ms": 1998637391672.246 }, "end": { "local": "2033-05-02T12:51:12+03:00", "utc": "2033-05-02T09:51:12Z", "ms": 1998640271672.246 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-05-03", "window": { "start": { "local": "2033-05-03T12:03:05+03:00", "utc": "2033-05-03T09:03:05Z", "ms": 1998723785481.6301 }, "end": { "local": "2033-05-03T12:51:05+03:00", "utc": "2033-05-03T09:51:05Z", "ms": 1998726665481.6301 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 20:39 on Mon 2 May to 19:59 on Tue 3 May.", "fact": "2033-05-02T17:38:46Z → 2033-05-03T16:58:55Z" }, { "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 25669 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Moscow, 2033: Tuesday 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": "2033-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-05-03", "confidence": "determinate" } ], "quote": "In Moscow, Śaṅkara Jayantī 2033 falls on Tuesday 3 May. Pañcamī runs from 20:39 on Mon 2 May to 19:59 on Tue 3 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26157, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2033-05-04T20:06:57+03:00", "utc": "2033-05-04T17:06:57Z", "ms": 1998839216677.4143 }, "end": { "local": "2033-05-05T21:01:49+03:00", "utc": "2033-05-05T18:01:49Z", "ms": 1998928908692.9856 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2033-05-04T20:06:57+03:00", "utc": "2033-05-04T17:06:57Z", "ms": 1998839216677.4143 }, "end": { "local": "2033-05-05T21:01:49+03:00", "utc": "2033-05-05T18:01:49Z", "ms": 1998928908692.9856 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-05-04", "window": { "start": { "local": "2033-05-04T12:03:00+03:00", "utc": "2033-05-04T09:03:00Z", "ms": 1998810179805.7988 }, "end": { "local": "2033-05-04T12:51:00+03:00", "utc": "2033-05-04T09:51:00Z", "ms": 1998813059805.7988 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-05-05", "window": { "start": { "local": "2033-05-05T12:02:55+03:00", "utc": "2033-05-05T09:02:55Z", "ms": 1998896574647.7322 }, "end": { "local": "2033-05-05T12:50:55+03:00", "utc": "2033-05-05T09:50:55Z", "ms": 1998899454647.7322 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 20:07 on Wed 4 May to 21:02 on Thu 5 May.", "fact": "2033-05-04T17:06:57Z → 2033-05-05T18:01:49Z" }, { "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 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26157 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Moscow, 2033: Thursday 5 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": "2033-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-05-05", "confidence": "determinate" } ], "quote": "In Moscow, Gaṅgotpatti (Ganga Saptami) 2033 falls on Thursday 5 May. Saptamī runs from 20:07 on Wed 4 May to 21:02 on Thu 5 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ekadashi?on=2033-05-10", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4442, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-05-09T03:15:45+03:00", "utc": "2033-05-09T00:15:45Z", "ms": 1999210545300.1035 }, "end": { "local": "2033-05-10T05:51:11+03:00", "utc": "2033-05-10T02:51:11Z", "ms": 1999306270626.7795 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2033-05-09T03:15:45+03:00", "utc": "2033-05-09T00:15:45Z", "ms": 1999210545300.1035 }, "end": { "local": "2033-05-10T05:51:11+03:00", "utc": "2033-05-10T02:51:11Z", "ms": 1999306270626.7795 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-05-09", "window": { "start": { "local": "2033-05-09T04:29:48+03:00", "utc": "2033-05-09T01:29:48Z", "ms": 1999214987626.372 }, "end": { "local": "2033-05-09T04:29:48+03:00", "utc": "2033-05-09T01:29:48Z", "ms": 1999214987626.372 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-05-10", "window": { "start": { "local": "2033-05-10T04:27:48+03:00", "utc": "2033-05-10T01:27:48Z", "ms": 1999301267758.2158 }, "end": { "local": "2033-05-10T04:27:48+03:00", "utc": "2033-05-10T01:27:48Z", "ms": 1999301267758.2158 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:16 on Mon 9 May to 05:51 on Tue 10 May.", "fact": "2033-05-09T00:15:45Z → 2033-05-10T02:51:11Z" }, { "step": "kaala", "text": "Sunrise is at 04:30 on the 9th and 04:28 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 on the 10th.", "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 4442 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Moscow, 2033: Tuesday 10 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": "2033-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-05-10", "confidence": "determinate" } ], "quote": "In Moscow, Mohinī Ekādaśī 2033 falls on Tuesday 10 May. Ekādaśī runs from 03:16 on Mon 9 May to 05:51 on Tue 10 May and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-05-10", "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/2033/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13325, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2033-05-10T05:51:11+03:00", "utc": "2033-05-10T02:51:11Z", "ms": 1999306270626.7795 }, "end": { "local": "2033-05-11T08:20:30+03:00", "utc": "2033-05-11T05:20:30Z", "ms": 1999401630218.7148 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2033-05-10T05:51:11+03:00", "utc": "2033-05-10T02:51:11Z", "ms": 1999306270626.7795 }, "end": { "local": "2033-05-11T08:20:30+03:00", "utc": "2033-05-11T05:20:30Z", "ms": 1999401630218.7148 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-05-10", "window": { "start": { "local": "2033-05-10T12:02:37+03:00", "utc": "2033-05-10T09:02:37Z", "ms": 1999328556729.9773 }, "end": { "local": "2033-05-10T12:50:37+03:00", "utc": "2033-05-10T09:50:37Z", "ms": 1999331436729.9773 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-05-11", "window": { "start": { "local": "2033-05-11T12:02:35+03:00", "utc": "2033-05-11T09:02:35Z", "ms": 1999414954739.5508 }, "end": { "local": "2033-05-11T12:50:35+03:00", "utc": "2033-05-11T09:50:35Z", "ms": 1999417834739.5508 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:51 on Tue 10 May to 08:21 on Wed 11 May.", "fact": "2033-05-10T02:51:11Z → 2033-05-11T05:20:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 10th, 12:03–12:51 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13325 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Moscow, 2033: Tuesday 10 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": "2033-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-05-10", "confidence": "determinate" } ], "quote": "In Moscow, Paraśurāma Dvādaśī 2033 falls on Tuesday 10 May. Dvādaśī runs from 05:51 on Tue 10 May to 08:21 on Wed 11 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13325, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2033-05-10T05:51:11+03:00", "utc": "2033-05-10T02:51:11Z", "ms": 1999306270626.7795 }, "end": { "local": "2033-05-11T08:20:30+03:00", "utc": "2033-05-11T05:20:30Z", "ms": 1999401630218.7148 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2033-05-10T05:51:11+03:00", "utc": "2033-05-10T02:51:11Z", "ms": 1999306270626.7795 }, "end": { "local": "2033-05-11T08:20:30+03:00", "utc": "2033-05-11T05:20:30Z", "ms": 1999401630218.7148 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-05-10", "window": { "start": { "local": "2033-05-10T12:02:37+03:00", "utc": "2033-05-10T09:02:37Z", "ms": 1999328556729.9773 }, "end": { "local": "2033-05-10T12:50:37+03:00", "utc": "2033-05-10T09:50:37Z", "ms": 1999331436729.9773 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-05-11", "window": { "start": { "local": "2033-05-11T12:02:35+03:00", "utc": "2033-05-11T09:02:35Z", "ms": 1999414954739.5508 }, "end": { "local": "2033-05-11T12:50:35+03:00", "utc": "2033-05-11T09:50:35Z", "ms": 1999417834739.5508 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:51 on Tue 10 May to 08:21 on Wed 11 May.", "fact": "2033-05-10T02:51:11Z → 2033-05-11T05:20:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 10th, 12:03–12:51 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13325 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Moscow, 2033: Tuesday 10 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": "2033-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-05-10", "confidence": "determinate" } ], "quote": "In Moscow, Rukmiṇī Dvādaśī 2033 falls on Tuesday 10 May. Dvādaśī runs from 05:51 on Tue 10 May to 08:21 on Wed 11 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/pradosha-vrata?on=2033-05-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35757, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-05-11T08:20:30+03:00", "utc": "2033-05-11T05:20:30Z", "ms": 1999401630218.7148 }, "end": { "local": "2033-05-12T10:33:16+03:00", "utc": "2033-05-12T07:33:16Z", "ms": 1999495996121.5837 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2033-05-11T08:20:30+03:00", "utc": "2033-05-11T05:20:30Z", "ms": 1999401630218.7148 }, "end": { "local": "2033-05-12T10:33:16+03:00", "utc": "2033-05-12T07:33:16Z", "ms": 1999495996121.5837 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-05-11", "window": { "start": { "local": "2033-05-11T20:27:20+03:00", "utc": "2033-05-11T17:27:20Z", "ms": 1999445239730.4 }, "end": { "local": "2033-05-11T21:30:52+03:00", "utc": "2033-05-11T18:30:52Z", "ms": 1999449052254.3833 } }, "covered_min": 64, "window_min": 64, "qualifies": true }, { "local_date": "2033-05-12", "window": { "start": { "local": "2033-05-12T20:29:13+03:00", "utc": "2033-05-12T17:29:13Z", "ms": 1999531752909.6384 }, "end": { "local": "2033-05-12T21:32:15+03:00", "utc": "2033-05-12T18:32:15Z", "ms": 1999535535129.243 } }, "covered_min": 0, "window_min": 63, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:21 on Wed 11 May to 10:33 on Thu 12 May.", "fact": "2033-05-11T05:20:30Z → 2033-05-12T07:33:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:27–21:31 on the 11th, 20:29–21:32 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 64 of 64 minutes on the 11th and 0 of 63 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 35757 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2033: Wednesday 11 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": "2033-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-05-11", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2033 falls on Wednesday 11 May. Trayodaśī runs from 08:21 on Wed 11 May to 10:33 on Thu 12 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-05-11", "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/2033/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29340, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2033-05-12T10:33:16+03:00", "utc": "2033-05-12T07:33:16Z", "ms": 1999495996121.5837 }, "end": { "local": "2033-05-13T12:22:06+03:00", "utc": "2033-05-13T09:22:06Z", "ms": 1999588925610.6223 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2033-05-12T10:33:16+03:00", "utc": "2033-05-12T07:33:16Z", "ms": 1999495996121.5837 }, "end": { "local": "2033-05-13T12:22:06+03:00", "utc": "2033-05-13T09:22:06Z", "ms": 1999588925610.6223 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-05-12", "window": { "start": { "local": "2033-05-12T20:29:13+03:00", "utc": "2033-05-12T17:29:13Z", "ms": 1999531752909.6384 }, "end": { "local": "2033-05-12T21:32:15+03:00", "utc": "2033-05-12T18:32:15Z", "ms": 1999535535129.243 } }, "covered_min": 63, "window_min": 63, "qualifies": true }, { "local_date": "2033-05-13", "window": { "start": { "local": "2033-05-13T20:31:05+03:00", "utc": "2033-05-13T17:31:05Z", "ms": 1999618265178.36 }, "end": { "local": "2033-05-13T21:33:37+03:00", "utc": "2033-05-13T18:33:37Z", "ms": 1999622017488.2986 } }, "covered_min": 0, "window_min": 63, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:33 on Thu 12 May to 12:22 on Fri 13 May.", "fact": "2033-05-12T07:33:16Z → 2033-05-13T09:22:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:29–21:32 on the 12th, 20:31–21:34 on the 13th.", "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 12th and 0 of 63 on the 13th.", "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 29340 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Moscow, 2033: Thursday 12 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": "2033-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-05-12", "confidence": "determinate" } ], "quote": "In Moscow, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2033 falls on Thursday 12 May. Caturdaśī runs from 10:33 on Thu 12 May to 12:22 on Fri 13 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-05-14", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1173, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2033-05-13T12:22:06+03:00", "utc": "2033-05-13T09:22:06Z", "ms": 1999588925610.6223 }, "end": { "local": "2033-05-14T13:42:45+03:00", "utc": "2033-05-14T10:42:45Z", "ms": 1999680165253.7148 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2033-05-13T12:22:06+03:00", "utc": "2033-05-13T09:22:06Z", "ms": 1999588925610.6223 }, "end": { "local": "2033-05-14T13:42:45+03:00", "utc": "2033-05-14T10:42:45Z", "ms": 1999680165253.7148 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-05-13", "window": { "start": { "local": "2033-05-13T12:02:32+03:00", "utc": "2033-05-13T09:02:32Z", "ms": 1999587752367.516 }, "end": { "local": "2033-05-13T12:50:32+03:00", "utc": "2033-05-13T09:50:32Z", "ms": 1999590632367.516 } }, "covered_min": 28, "window_min": 48, "qualifies": true }, { "local_date": "2033-05-14", "window": { "start": { "local": "2033-05-14T12:02:32+03:00", "utc": "2033-05-14T09:02:32Z", "ms": 1999674151988.0977 }, "end": { "local": "2033-05-14T12:50:32+03:00", "utc": "2033-05-14T09:50:32Z", "ms": 1999677031988.0977 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:22 on Fri 13 May to 13:43 on Sat 14 May.", "fact": "2033-05-13T09:22:06Z → 2033-05-14T10:42:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 13th, 12:03–12:51 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 28 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1173 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Moscow, 2033: Saturday 14 May.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "buddha-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2033-05-14", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-05-14", "confidence": "boundary" } ], "quote": "In Moscow, Buddha Pūrṇimā 2033 falls on Saturday 14 May. Pūrṇimā runs from 12:22 on Fri 13 May to 13:43 on Sat 14 May and covers all of madhyāhna that midday. It also reaches the previous midday for 28 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-05-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1173, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2033-05-13T12:22:06+03:00", "utc": "2033-05-13T09:22:06Z", "ms": 1999588925610.6223 }, "end": { "local": "2033-05-14T13:42:45+03:00", "utc": "2033-05-14T10:42:45Z", "ms": 1999680165253.7148 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2033-05-13T12:22:06+03:00", "utc": "2033-05-13T09:22:06Z", "ms": 1999588925610.6223 }, "end": { "local": "2033-05-14T13:42:45+03:00", "utc": "2033-05-14T10:42:45Z", "ms": 1999680165253.7148 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-05-13", "window": { "start": { "local": "2033-05-13T12:02:32+03:00", "utc": "2033-05-13T09:02:32Z", "ms": 1999587752367.516 }, "end": { "local": "2033-05-13T12:50:32+03:00", "utc": "2033-05-13T09:50:32Z", "ms": 1999590632367.516 } }, "covered_min": 28, "window_min": 48, "qualifies": true }, { "local_date": "2033-05-14", "window": { "start": { "local": "2033-05-14T12:02:32+03:00", "utc": "2033-05-14T09:02:32Z", "ms": 1999674151988.0977 }, "end": { "local": "2033-05-14T12:50:32+03:00", "utc": "2033-05-14T09:50:32Z", "ms": 1999677031988.0977 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:22 on Fri 13 May to 13:43 on Sat 14 May.", "fact": "2033-05-13T09:22:06Z → 2033-05-14T10:42:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 13th, 12:03–12:51 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 28 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1173 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Moscow, 2033: Saturday 14 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": "2033-05-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-05-14", "confidence": "determinate" } ], "quote": "In Moscow, Sampat Gaurī Vrata 2033 falls on Saturday 14 May. Pūrṇimā runs from 12:22 on Fri 13 May to 13:43 on Sat 14 May and covers all of madhyāhna that midday. It also reaches the previous midday for 28 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/sankashta-chaturthi?on=2033-05-17", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30466, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-05-17T14:49:04+03:00", "utc": "2033-05-17T11:49:04Z", "ms": 1999943343770.3838 }, "end": { "local": "2033-05-18T14:16:59+03:00", "utc": "2033-05-18T11:16:59Z", "ms": 2000027819467.325 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2033-05-17T14:49:04+03:00", "utc": "2033-05-17T11:49:04Z", "ms": 1999943343770.3838 }, "end": { "local": "2033-05-18T14:16:59+03:00", "utc": "2033-05-18T11:16:59Z", "ms": 2000027819467.325 } }, "kaala": "moonrise", "days": [ { "local_date": "2033-05-17", "window": { "start": { "local": "2033-05-17T23:16:50+03:00", "utc": "2033-05-17T20:16:50Z", "ms": 1999973809755.6748 }, "end": { "local": "2033-05-17T23:16:50+03:00", "utc": "2033-05-17T20:16:50Z", "ms": 1999973809755.6748 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-05-18", "window": { "start": { "local": "2033-05-18T23:58:22+03:00", "utc": "2033-05-18T20:58:22Z", "ms": 2000062701595.2737 }, "end": { "local": "2033-05-18T23:58:22+03:00", "utc": "2033-05-18T20:58:22Z", "ms": 2000062701595.2737 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:49 on Tue 17 May to 14:17 on Wed 18 May.", "fact": "2033-05-17T11:49:04Z → 2033-05-18T11:16:59Z" }, { "step": "kaala", "text": "Moonrise is at 23:17 on the 17th and 23:58 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 30466 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2033: Tuesday 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": "2033-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-05-17", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2033 falls on Tuesday 17 May. Caturthī runs from 14:49 on Tue 17 May to 14:17 on Wed 18 May and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/sankashta-chaturthi?on=2033-05-17", "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/2033/ekadashi?on=2033-05-24", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 968, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-05-24T03:47:27+03:00", "utc": "2033-05-24T00:47:27Z", "ms": 2000508446815.504 }, "end": { "local": "2033-05-25T01:09:13+03:00", "utc": "2033-05-24T22:09:13Z", "ms": 2000585353081.924 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2033-05-24T03:47:27+03:00", "utc": "2033-05-24T00:47:27Z", "ms": 2000508446815.504 }, "end": { "local": "2033-05-25T01:09:13+03:00", "utc": "2033-05-24T22:09:13Z", "ms": 2000585353081.924 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-05-24", "window": { "start": { "local": "2033-05-24T04:03:35+03:00", "utc": "2033-05-24T01:03:35Z", "ms": 2000509414824.3843 }, "end": { "local": "2033-05-24T04:03:35+03:00", "utc": "2033-05-24T01:03:35Z", "ms": 2000509414824.3843 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-05-25", "window": { "start": { "local": "2033-05-25T04:02:10+03:00", "utc": "2033-05-25T01:02:10Z", "ms": 2000595729897.6785 }, "end": { "local": "2033-05-25T04:02:10+03:00", "utc": "2033-05-25T01:02:10Z", "ms": 2000595729897.6785 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:47 on Tue 24 May to 01:09 on Wed 25 May.", "fact": "2033-05-24T00:47:27Z → 2033-05-24T22:09:13Z" }, { "step": "kaala", "text": "Sunrise is at 04:04 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 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": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 968 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Moscow, 2033: Tuesday 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": "2033-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-05-24", "confidence": "determinate" } ], "quote": "In Moscow, Aparā Ekādaśī 2033 falls on Tuesday 24 May. Ekādaśī runs from 03:47 on Tue 24 May to 01:09 on Wed 25 May and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-05-24", "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/2033/pradosha-vrata?on=2033-05-25", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-05-25", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2144, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-05-25T22:24:50+03:00", "utc": "2033-05-25T19:24:50Z", "ms": 2000661890352.2463 }, "end": { "local": "2033-05-26T19:39:59+03:00", "utc": "2033-05-26T16:39:59Z", "ms": 2000738398563.2705 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2033-05-25T22:24:50+03:00", "utc": "2033-05-25T19:24:50Z", "ms": 2000661890352.2463 }, "end": { "local": "2033-05-26T19:39:59+03:00", "utc": "2033-05-26T16:39:59Z", "ms": 2000738398563.2705 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-05-25", "window": { "start": { "local": "2033-05-25T20:51:56+03:00", "utc": "2033-05-25T17:51:56Z", "ms": 2000656315661.5344 }, "end": { "local": "2033-05-25T21:49:07+03:00", "utc": "2033-05-25T18:49:07Z", "ms": 2000659746620.7764 } }, "covered_min": 0, "window_min": 57, "qualifies": false }, { "local_date": "2033-05-26", "window": { "start": { "local": "2033-05-26T20:53:29+03:00", "utc": "2033-05-26T17:53:29Z", "ms": 2000742809337.5596 }, "end": { "local": "2033-05-26T21:50:17+03:00", "utc": "2033-05-26T18:50:17Z", "ms": 2000746217261.0464 } }, "covered_min": 0, "window_min": 57, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:25 on Wed 25 May to 19:40 on Thu 26 May.", "fact": "2033-05-25T19:24:50Z → 2033-05-26T16:39:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:52–21:49 on the 25th, 20:53–21:50 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 0 of 57 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 2144 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2033: Wednesday 25 May.", "fact": "confidence: boundary (absent-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": "2033-05-25", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-05-25", "confidence": "boundary" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2033 falls on Wednesday 25 May. Trayodaśī runs from 22:25 on Wed 25 May to 19:40 on Thu 26 May, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-05-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/shivaratri?on=2033-05-26", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15750, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2033-05-26T19:39:59+03:00", "utc": "2033-05-26T16:39:59Z", "ms": 2000738398563.2705 }, "end": { "local": "2033-05-27T17:01:22+03:00", "utc": "2033-05-27T14:01:22Z", "ms": 2000815281549.2837 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2033-05-26T19:39:59+03:00", "utc": "2033-05-26T16:39:59Z", "ms": 2000738398563.2705 }, "end": { "local": "2033-05-27T17:01:22+03:00", "utc": "2033-05-27T14:01:22Z", "ms": 2000815281549.2837 } }, "kaala": "nishita", "days": [ { "local_date": "2033-05-26", "window": { "start": { "local": "2033-05-27T00:02:29+03:00", "utc": "2033-05-26T21:02:29Z", "ms": 2000754149050.6353 }, "end": { "local": "2033-05-27T00:50:29+03:00", "utc": "2033-05-26T21:50:29Z", "ms": 2000757029050.6353 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-05-27", "window": { "start": { "local": "2033-05-28T00:02:37+03:00", "utc": "2033-05-27T21:02:37Z", "ms": 2000840556825.3066 }, "end": { "local": "2033-05-28T00:50:37+03:00", "utc": "2033-05-27T21:50:37Z", "ms": 2000843436825.3066 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:40 on Thu 26 May to 17:01 on Fri 27 May.", "fact": "2033-05-26T16:39:59Z → 2033-05-27T14:01:22Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:02–00:50 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 15750 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2033: Thursday 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": "2033-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-05-26", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2033 falls on Thursday 26 May. Caturdaśī runs from 19:40 on Thu 26 May to 17:01 on Fri 27 May and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2033/shivaratri?on=2033-05-26", "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/2033/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3773, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2033-05-30T11:00:43+03:00", "utc": "2033-05-30T08:00:43Z", "ms": 2001052843445.0725 }, "end": { "local": "2033-05-31T10:04:54+03:00", "utc": "2033-05-31T07:04:54Z", "ms": 2001135894165.955 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2033-05-30T11:00:43+03:00", "utc": "2033-05-30T08:00:43Z", "ms": 2001052843445.0725 }, "end": { "local": "2033-05-31T10:04:54+03:00", "utc": "2033-05-31T07:04:54Z", "ms": 2001135894165.955 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-05-30", "window": { "start": { "local": "2033-05-30T12:03:36+03:00", "utc": "2033-05-30T09:03:36Z", "ms": 2001056616187.0562 }, "end": { "local": "2033-05-30T12:51:36+03:00", "utc": "2033-05-30T09:51:36Z", "ms": 2001059496187.0562 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-05-31", "window": { "start": { "local": "2033-05-31T12:03:44+03:00", "utc": "2033-05-31T09:03:44Z", "ms": 2001143024069.019 }, "end": { "local": "2033-05-31T12:51:44+03:00", "utc": "2033-05-31T09:51:44Z", "ms": 2001145904069.019 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 11:01 on Mon 30 May to 10:05 on Tue 31 May.", "fact": "2033-05-30T08:00:43Z → 2033-05-31T07:04:54Z" }, { "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 3773 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Moscow, 2033: Monday 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": "2033-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-05-30", "confidence": "determinate" } ], "quote": "In Moscow, Rambhā Tṛtīyā 2033 falls on Monday 30 May. Tṛtīyā runs from 11:01 on Mon 30 May to 10:05 on Tue 31 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/vinayaka-chaturthi?on=2033-05-31", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7130, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-05-31T10:04:54+03:00", "utc": "2033-05-31T07:04:54Z", "ms": 2001135894165.955 }, "end": { "local": "2033-06-01T09:51:40+03:00", "utc": "2033-06-01T06:51:40Z", "ms": 2001221499556.5466 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2033-05-31T10:04:54+03:00", "utc": "2033-05-31T07:04:54Z", "ms": 2001135894165.955 }, "end": { "local": "2033-06-01T09:51:40+03:00", "utc": "2033-06-01T06:51:40Z", "ms": 2001221499556.5466 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-05-31", "window": { "start": { "local": "2033-05-31T12:03:44+03:00", "utc": "2033-05-31T09:03:44Z", "ms": 2001143024069.019 }, "end": { "local": "2033-05-31T12:51:44+03:00", "utc": "2033-05-31T09:51:44Z", "ms": 2001145904069.019 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-06-01", "window": { "start": { "local": "2033-06-01T12:03:52+03:00", "utc": "2033-06-01T09:03:52Z", "ms": 2001229432306.1538 }, "end": { "local": "2033-06-01T12:51:52+03:00", "utc": "2033-06-01T09:51:52Z", "ms": 2001232312306.1538 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:05 on Tue 31 May to 09:52 on Wed 1 Jun.", "fact": "2033-05-31T07:04:54Z → 2033-06-01T06:51:40Z" }, { "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 7130 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2033: Tuesday 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": "2033-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-05-31", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2033 falls on Tuesday 31 May. Caturthī runs from 10:05 on Tue 31 May to 09:52 on Wed 1 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/vinayaka-chaturthi?on=2033-05-31", "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/2033/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1512, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2033-06-02T10:23:31+03:00", "utc": "2033-06-02T07:23:31Z", "ms": 2001309810692.7222 }, "end": { "local": "2033-06-03T11:38:57+03:00", "utc": "2033-06-03T08:38:57Z", "ms": 2001400737350.3618 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2033-06-02T10:23:31+03:00", "utc": "2033-06-02T07:23:31Z", "ms": 2001309810692.7222 }, "end": { "local": "2033-06-03T11:38:57+03:00", "utc": "2033-06-03T08:38:57Z", "ms": 2001400737350.3618 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-06-02", "window": { "start": { "local": "2033-06-02T12:04:01+03:00", "utc": "2033-06-02T09:04:01Z", "ms": 2001315840879.8486 }, "end": { "local": "2033-06-02T12:52:01+03:00", "utc": "2033-06-02T09:52:01Z", "ms": 2001318720879.8486 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-06-03", "window": { "start": { "local": "2033-06-03T12:04:10+03:00", "utc": "2033-06-03T09:04:10Z", "ms": 2001402249771.895 }, "end": { "local": "2033-06-03T12:52:10+03:00", "utc": "2033-06-03T09:52:10Z", "ms": 2001405129771.895 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:24 on Thu 2 Jun to 11:39 on Fri 3 Jun.", "fact": "2033-06-02T07:23:31Z → 2033-06-03T08:38:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 2nd, 12:04–12:52 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1512 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Moscow, 2033: Thursday 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": "2033-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-06-03", "confidence": "determinate" } ], "quote": "In Moscow, Araṇya Gaurī Vrata 2033 falls on Thursday 2 June. Ṣaṣṭhī runs from 10:24 on Thu 2 Jun to 11:39 on Fri 3 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1512, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2033-06-02T10:23:31+03:00", "utc": "2033-06-02T07:23:31Z", "ms": 2001309810692.7222 }, "end": { "local": "2033-06-03T11:38:57+03:00", "utc": "2033-06-03T08:38:57Z", "ms": 2001400737350.3618 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2033-06-02T10:23:31+03:00", "utc": "2033-06-02T07:23:31Z", "ms": 2001309810692.7222 }, "end": { "local": "2033-06-03T11:38:57+03:00", "utc": "2033-06-03T08:38:57Z", "ms": 2001400737350.3618 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-06-02", "window": { "start": { "local": "2033-06-02T12:04:01+03:00", "utc": "2033-06-02T09:04:01Z", "ms": 2001315840879.8486 }, "end": { "local": "2033-06-02T12:52:01+03:00", "utc": "2033-06-02T09:52:01Z", "ms": 2001318720879.8486 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-06-03", "window": { "start": { "local": "2033-06-03T12:04:10+03:00", "utc": "2033-06-03T09:04:10Z", "ms": 2001402249771.895 }, "end": { "local": "2033-06-03T12:52:10+03:00", "utc": "2033-06-03T09:52:10Z", "ms": 2001405129771.895 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:24 on Thu 2 Jun to 11:39 on Fri 3 Jun.", "fact": "2033-06-02T07:23:31Z → 2033-06-03T08:38:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 2nd, 12:04–12:52 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1512 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Moscow, 2033: Thursday 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": "2033-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-06-02", "confidence": "determinate" } ], "quote": "In Moscow, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2033 falls on Thursday 2 June. Ṣaṣṭhī runs from 10:24 on Thu 2 Jun to 11:39 on Fri 3 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ekadashi?on=2033-06-08", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-06-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17097, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-06-07T20:51:11+03:00", "utc": "2033-06-07T17:51:11Z", "ms": 2001779471261.9795 }, "end": { "local": "2033-06-08T23:02:20+03:00", "utc": "2033-06-08T20:02:20Z", "ms": 2001873739919.6433 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2033-06-07T20:51:11+03:00", "utc": "2033-06-07T17:51:11Z", "ms": 2001779471261.9795 }, "end": { "local": "2033-06-08T23:02:20+03:00", "utc": "2033-06-08T20:02:20Z", "ms": 2001873739919.6433 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-06-08", "window": { "start": { "local": "2033-06-08T03:47:52+03:00", "utc": "2033-06-08T00:47:52Z", "ms": 2001804472289.7231 }, "end": { "local": "2033-06-08T03:47:52+03:00", "utc": "2033-06-08T00:47:52Z", "ms": 2001804472289.7231 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-06-09", "window": { "start": { "local": "2033-06-09T03:47:17+03:00", "utc": "2033-06-09T00:47:17Z", "ms": 2001890837050.6348 }, "end": { "local": "2033-06-09T03:47:17+03:00", "utc": "2033-06-09T00:47:17Z", "ms": 2001890837050.6348 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:51 on Tue 7 Jun to 23:02 on Wed 8 Jun.", "fact": "2033-06-07T17:51:11Z → 2033-06-08T20:02:20Z" }, { "step": "kaala", "text": "Sunrise is at 03:48 on the 8th and 03:47 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17097 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Moscow, 2033: Wednesday 8 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": "2033-06-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-06-08", "confidence": "determinate" } ], "quote": "In Moscow, Nirjalā Ekādaśī 2033 falls on Wednesday 8 June. Ekādaśī runs from 20:51 on Tue 7 Jun to 23:02 on Wed 8 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-06-08", "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/2033/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36562, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2033-06-08T23:02:20+03:00", "utc": "2033-06-08T20:02:20Z", "ms": 2001873739919.6433 }, "end": { "local": "2033-06-10T00:45:14+03:00", "utc": "2033-06-09T21:45:14Z", "ms": 2001966314113.9507 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2033-06-08T23:02:20+03:00", "utc": "2033-06-08T20:02:20Z", "ms": 2001873739919.6433 }, "end": { "local": "2033-06-10T00:45:14+03:00", "utc": "2033-06-09T21:45:14Z", "ms": 2001966314113.9507 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-06-08", "window": { "start": { "local": "2033-06-08T12:04:58+03:00", "utc": "2033-06-08T09:04:58Z", "ms": 2001834298386.1587 }, "end": { "local": "2033-06-08T12:52:58+03:00", "utc": "2033-06-08T09:52:58Z", "ms": 2001837178386.1587 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-06-09", "window": { "start": { "local": "2033-06-09T12:05:09+03:00", "utc": "2033-06-09T09:05:09Z", "ms": 2001920708817.5225 }, "end": { "local": "2033-06-09T12:53:09+03:00", "utc": "2033-06-09T09:53:09Z", "ms": 2001923588817.5225 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 23:02 on Wed 8 Jun to 00:45 on Fri 10 Jun.", "fact": "2033-06-08T20:02:20Z → 2033-06-09T21:45:14Z" }, { "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 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 36562 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Moscow, 2033: Thursday 9 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": "2033-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-06-09", "confidence": "determinate" } ], "quote": "In Moscow, Śrī Rāma Dvādaśī 2033 falls on Thursday 9 June. Dvādaśī runs from 23:02 on Wed 8 Jun to 00:45 on Fri 10 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/pradosha-vrata?on=2033-06-10", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9688, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-06-10T00:45:14+03:00", "utc": "2033-06-09T21:45:14Z", "ms": 2001966314113.9507 }, "end": { "local": "2033-06-11T01:53:18+03:00", "utc": "2033-06-10T22:53:18Z", "ms": 2002056797693.418 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2033-06-10T00:45:14+03:00", "utc": "2033-06-09T21:45:14Z", "ms": 2001966314113.9507 }, "end": { "local": "2033-06-11T01:53:18+03:00", "utc": "2033-06-10T22:53:18Z", "ms": 2002056797693.418 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-06-09", "window": { "start": { "local": "2033-06-09T21:11:01+03:00", "utc": "2033-06-09T18:11:01Z", "ms": 2001953460584.4102 }, "end": { "local": "2033-06-09T22:03:47+03:00", "utc": "2033-06-09T19:03:47Z", "ms": 2001956626579.7456 } }, "covered_min": 0, "window_min": 53, "qualifies": false }, { "local_date": "2033-06-10", "window": { "start": { "local": "2033-06-10T21:11:53+03:00", "utc": "2033-06-10T18:11:53Z", "ms": 2002039913340.4905 }, "end": { "local": "2033-06-10T22:04:29+03:00", "utc": "2033-06-10T19:04:29Z", "ms": 2002043068604.8955 } }, "covered_min": 53, "window_min": 53, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:45 on Fri 10 Jun to 01:53 on Sat 11 Jun.", "fact": "2033-06-09T21:45:14Z → 2033-06-10T22:53:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:11–22:04 on the 9th, 21:12–22:04 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 53 minutes on the 9th and 53 of 53 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9688 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2033: Friday 10 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": "2033-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-06-10", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2033 falls on Friday 10 June. Trayodaśī runs from 00:45 on Fri 10 Jun to 01:53 on Sat 11 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-06-10", "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/2033/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-06-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15210, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2033-06-12T02:24:13+03:00", "utc": "2033-06-11T23:24:13Z", "ms": 2002145052596.8992 }, "end": { "local": "2033-06-13T02:19:15+03:00", "utc": "2033-06-12T23:19:15Z", "ms": 2002231154790.469 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2033-06-12T02:24:13+03:00", "utc": "2033-06-11T23:24:13Z", "ms": 2002145052596.8992 }, "end": { "local": "2033-06-13T02:19:15+03:00", "utc": "2033-06-12T23:19:15Z", "ms": 2002231154790.469 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-06-11", "window": { "start": { "local": "2033-06-11T21:12:43+03:00", "utc": "2033-06-11T18:12:43Z", "ms": 2002126362679.7856 }, "end": { "local": "2033-06-11T22:05:08+03:00", "utc": "2033-06-11T19:05:08Z", "ms": 2002129508176.6833 } }, "covered_min": 0, "window_min": 52, "qualifies": false }, { "local_date": "2033-06-12", "window": { "start": { "local": "2033-06-12T21:13:29+03:00", "utc": "2033-06-12T18:13:29Z", "ms": 2002212808535.4888 }, "end": { "local": "2033-06-12T22:05:45+03:00", "utc": "2033-06-12T19:05:45Z", "ms": 2002215945241.1565 } }, "covered_min": 52, "window_min": 52, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:24 on Sun 12 Jun to 02:19 on Mon 13 Jun.", "fact": "2033-06-11T23:24:13Z → 2033-06-12T23:19:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:13–22:05 on the 11th, 21:13–22:06 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 0 of 52 minutes on the 11th and 52 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 15210 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Moscow, 2033: Sunday 12 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": "2033-06-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-06-12", "confidence": "determinate" } ], "quote": "In Moscow, Vaṭa Sāvitrī Vrata 2033 falls on Sunday 12 June. Pūrṇimā runs from 02:24 on Sun 12 Jun to 02:19 on Mon 13 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/sankashta-chaturthi?on=2033-06-15", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-06-15", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2177, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-06-15T23:12:51+03:00", "utc": "2033-06-15T20:12:51Z", "ms": 2002479170558.0862 }, "end": { "local": "2033-06-16T21:31:36+03:00", "utc": "2033-06-16T18:31:36Z", "ms": 2002559496156.6675 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2033-06-15T23:12:51+03:00", "utc": "2033-06-15T20:12:51Z", "ms": 2002479170558.0862 }, "end": { "local": "2033-06-16T21:31:36+03:00", "utc": "2033-06-16T18:31:36Z", "ms": 2002559496156.6675 } }, "kaala": "moonrise", "days": [ { "local_date": "2033-06-15", "window": { "start": { "local": "2033-06-15T22:36:33+03:00", "utc": "2033-06-15T19:36:33Z", "ms": 2002476993122.7473 }, "end": { "local": "2033-06-15T22:36:33+03:00", "utc": "2033-06-15T19:36:33Z", "ms": 2002476993122.7473 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-06-16", "window": { "start": { "local": "2033-06-16T23:08:12+03:00", "utc": "2033-06-16T20:08:12Z", "ms": 2002565291915.1692 }, "end": { "local": "2033-06-16T23:08:12+03:00", "utc": "2033-06-16T20:08:12Z", "ms": 2002565291915.1692 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:13 on Wed 15 Jun to 21:32 on Thu 16 Jun.", "fact": "2033-06-15T20:12:51Z → 2033-06-16T18:31:36Z" }, { "step": "kaala", "text": "Moonrise is at 22:37 on the 15th and 23:08 on the 16th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 15th and is not on the 16th.", "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 2177 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2033: Wednesday 15 June.", "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": "2033-06-15", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-06-15", "confidence": "boundary" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2033 falls on Wednesday 15 June. Caturthī runs from 23:13 on Wed 15 Jun to 21:32 on Thu 16 Jun, and is current at moonrise on neither day.", "cite": "https://ahargana.org/moscow/festivals/2033/sankashta-chaturthi?on=2033-06-15", "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/2033/ekadashi?on=2033-06-23", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11424, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-06-22T09:04:23+03:00", "utc": "2033-06-22T06:04:23Z", "ms": 2003033063188.2634 }, "end": { "local": "2033-06-23T06:56:12+03:00", "utc": "2033-06-23T03:56:12Z", "ms": 2003111771558.7844 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2033-06-22T09:04:23+03:00", "utc": "2033-06-22T06:04:23Z", "ms": 2003033063188.2634 }, "end": { "local": "2033-06-23T06:56:12+03:00", "utc": "2033-06-23T03:56:12Z", "ms": 2003111771558.7844 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-06-22", "window": { "start": { "local": "2033-06-22T03:45:28+03:00", "utc": "2033-06-22T00:45:28Z", "ms": 2003013928441.1406 }, "end": { "local": "2033-06-22T03:45:28+03:00", "utc": "2033-06-22T00:45:28Z", "ms": 2003013928441.1406 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-06-23", "window": { "start": { "local": "2033-06-23T03:45:47+03:00", "utc": "2033-06-23T00:45:47Z", "ms": 2003100347288.075 }, "end": { "local": "2033-06-23T03:45:47+03:00", "utc": "2033-06-23T00:45:47Z", "ms": 2003100347288.075 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:04 on Wed 22 Jun to 06:56 on Thu 23 Jun.", "fact": "2033-06-22T06:04:23Z → 2033-06-23T03:56:12Z" }, { "step": "kaala", "text": "Sunrise is at 03:45 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 11424 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Moscow, 2033: Thursday 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": "2033-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-06-23", "confidence": "determinate" } ], "quote": "In Moscow, Yoginī Ekādaśī 2033 falls on Thursday 23 June. Ekādaśī runs from 09:04 on Wed 22 Jun to 06:56 on Thu 23 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-06-23", "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/2033/pradosha-vrata?on=2033-06-24", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17451, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-06-24T04:53:25+03:00", "utc": "2033-06-24T01:53:25Z", "ms": 2003190805445.9646 }, "end": { "local": "2033-06-25T03:00:30+03:00", "utc": "2033-06-25T00:00:30Z", "ms": 2003270430360.7715 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2033-06-24T04:53:25+03:00", "utc": "2033-06-24T01:53:25Z", "ms": 2003190805445.9646 }, "end": { "local": "2033-06-25T03:00:30+03:00", "utc": "2033-06-25T00:00:30Z", "ms": 2003270430360.7715 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-06-23", "window": { "start": { "local": "2033-06-23T21:17:48+03:00", "utc": "2033-06-23T18:17:48Z", "ms": 2003163468253.5469 }, "end": { "local": "2033-06-23T22:09:35+03:00", "utc": "2033-06-23T19:09:35Z", "ms": 2003166575145.0525 } }, "covered_min": 0, "window_min": 52, "qualifies": false }, { "local_date": "2033-06-24", "window": { "start": { "local": "2033-06-24T21:17:49+03:00", "utc": "2033-06-24T18:17:49Z", "ms": 2003249868696.5854 }, "end": { "local": "2033-06-24T22:09:39+03:00", "utc": "2033-06-24T19:09:39Z", "ms": 2003252979050.6345 } }, "covered_min": 52, "window_min": 52, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:53 on Fri 24 Jun to 03:01 on Sat 25 Jun.", "fact": "2033-06-24T01:53:25Z → 2033-06-25T00:00:30Z" }, { "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 17451 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2033: Friday 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": "2033-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-06-24", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2033 falls on Friday 24 June. Trayodaśī runs from 04:53 on Fri 24 Jun to 03:01 on Sat 25 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-06-24", "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/2033/shivaratri?on=2033-06-25", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1592, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2033-06-25T03:00:30+03:00", "utc": "2033-06-25T00:00:30Z", "ms": 2003270430360.7715 }, "end": { "local": "2033-06-26T01:22:57+03:00", "utc": "2033-06-25T22:22:57Z", "ms": 2003350977490.0781 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2033-06-25T03:00:30+03:00", "utc": "2033-06-25T00:00:30Z", "ms": 2003270430360.7715 }, "end": { "local": "2033-06-26T01:22:57+03:00", "utc": "2033-06-25T22:22:57Z", "ms": 2003350977490.0781 } }, "kaala": "nishita", "days": [ { "local_date": "2033-06-24", "window": { "start": { "local": "2033-06-25T00:08:13+03:00", "utc": "2033-06-24T21:08:13Z", "ms": 2003260092524.2695 }, "end": { "local": "2033-06-25T00:56:13+03:00", "utc": "2033-06-24T21:56:13Z", "ms": 2003262972524.2695 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-06-25", "window": { "start": { "local": "2033-06-26T00:08:26+03:00", "utc": "2033-06-25T21:08:26Z", "ms": 2003346505836.461 }, "end": { "local": "2033-06-26T00:56:26+03:00", "utc": "2033-06-25T21:56:26Z", "ms": 2003349385836.461 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:01 on Sat 25 Jun to 01:23 on Sun 26 Jun.", "fact": "2033-06-25T00:00:30Z → 2033-06-25T22:22:57Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:08–00:56 on the 24th, 00:08–00:56 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 48 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 1592 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2033: Saturday 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": "2033-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-06-25", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2033 falls on Saturday 25 June. Caturdaśī runs from 03:01 on Sat 25 Jun to 01:23 on Sun 26 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2033/shivaratri?on=2033-06-25", "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/2033/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36543, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2033-06-27T23:19:23+03:00", "utc": "2033-06-27T20:19:23Z", "ms": 2003516363126.6755 }, "end": { "local": "2033-06-28T23:05:47+03:00", "utc": "2033-06-28T20:05:47Z", "ms": 2003601946976.1804 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2033-06-27T23:19:23+03:00", "utc": "2033-06-27T20:19:23Z", "ms": 2003516363126.6755 }, "end": { "local": "2033-06-28T23:05:47+03:00", "utc": "2033-06-28T20:05:47Z", "ms": 2003601946976.1804 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-06-27", "window": { "start": { "local": "2033-06-27T12:08:33+03:00", "utc": "2033-06-27T09:08:33Z", "ms": 2003476113315.2002 }, "end": { "local": "2033-06-27T12:56:33+03:00", "utc": "2033-06-27T09:56:33Z", "ms": 2003478993315.2002 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-06-28", "window": { "start": { "local": "2033-06-28T12:08:44+03:00", "utc": "2033-06-28T09:08:44Z", "ms": 2003562524346.3833 }, "end": { "local": "2033-06-28T12:56:44+03:00", "utc": "2033-06-28T09:56:44Z", "ms": 2003565404346.3833 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 23:19 on Mon 27 Jun to 23:06 on Tue 28 Jun.", "fact": "2033-06-27T20:19:23Z → 2033-06-28T20:05:47Z" }, { "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 36543 s" }, { "step": "ruling", "text": "Rathayātrā, Moscow, 2033: Tuesday 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": "2033-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-06-28", "confidence": "determinate" } ], "quote": "In Moscow, Rathayātrā 2033 falls on Tuesday 28 June. Dvitīyā runs from 23:19 on Mon 27 Jun to 23:06 on Tue 28 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/vinayaka-chaturthi?on=2033-06-30", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-06-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38016, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-06-29T23:30:31+03:00", "utc": "2033-06-29T20:30:31Z", "ms": 2003689830937.6313 }, "end": { "local": "2033-07-01T00:34:57+03:00", "utc": "2033-06-30T21:34:57Z", "ms": 2003780096617.6628 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2033-06-29T23:30:31+03:00", "utc": "2033-06-29T20:30:31Z", "ms": 2003689830937.6313 }, "end": { "local": "2033-07-01T00:34:57+03:00", "utc": "2033-06-30T21:34:57Z", "ms": 2003780096617.6628 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-06-29", "window": { "start": { "local": "2033-06-29T12:08:55+03:00", "utc": "2033-06-29T09:08:55Z", "ms": 2003648935185.1057 }, "end": { "local": "2033-06-29T12:56:55+03:00", "utc": "2033-06-29T09:56:55Z", "ms": 2003651815185.1057 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-06-30", "window": { "start": { "local": "2033-06-30T12:09:06+03:00", "utc": "2033-06-30T09:09:06Z", "ms": 2003735345807.5562 }, "end": { "local": "2033-06-30T12:57:06+03:00", "utc": "2033-06-30T09:57:06Z", "ms": 2003738225807.5562 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:31 on Wed 29 Jun to 00:35 on Fri 1 Jul.", "fact": "2033-06-29T20:30:31Z → 2033-06-30T21:34:57Z" }, { "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 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38016 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2033: Thursday 30 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": "2033-06-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-06-30", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2033 falls on Thursday 30 June. Caturthī runs from 23:31 on Wed 29 Jun to 00:35 on Fri 1 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/vinayaka-chaturthi?on=2033-06-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35583, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2033-07-01T00:34:57+03:00", "utc": "2033-06-30T21:34:57Z", "ms": 2003780096617.6628 }, "end": { "local": "2033-07-02T02:16:23+03:00", "utc": "2033-07-01T23:16:23Z", "ms": 2003872583125.1506 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2033-07-01T00:34:57+03:00", "utc": "2033-06-30T21:34:57Z", "ms": 2003780096617.6628 }, "end": { "local": "2033-07-02T02:16:23+03:00", "utc": "2033-07-01T23:16:23Z", "ms": 2003872583125.1506 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-07-01", "window": { "start": { "local": "2033-07-01T12:09:16+03:00", "utc": "2033-07-01T09:09:16Z", "ms": 2003821756190.9673 }, "end": { "local": "2033-07-01T12:57:16+03:00", "utc": "2033-07-01T09:57:16Z", "ms": 2003824636190.9673 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-07-02", "window": { "start": { "local": "2033-07-02T12:09:26+03:00", "utc": "2033-07-02T09:09:26Z", "ms": 2003908166313.6035 }, "end": { "local": "2033-07-02T12:57:26+03:00", "utc": "2033-07-02T09:57:26Z", "ms": 2003911046313.6035 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 00:35 on Fri 1 Jul to 02:16 on Sat 2 Jul.", "fact": "2033-06-30T21:34:57Z → 2033-07-01T23:16:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 1st, 12:09–12:57 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35583 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Moscow, 2033: Friday 1 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2033-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-07-01", "confidence": "determinate" } ], "quote": "In Moscow, Skanda Pañcamī 2033 falls on Friday 1 July. Pañcamī runs from 00:35 on Fri 1 Jul to 02:16 on Sat 2 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18827, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2033-07-03T04:27:24+03:00", "utc": "2033-07-03T01:27:24Z", "ms": 2003966844029.0361 }, "end": { "local": "2033-07-04T06:55:58+03:00", "utc": "2033-07-04T03:55:58Z", "ms": 2004062158373.7417 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2033-07-03T04:27:24+03:00", "utc": "2033-07-03T01:27:24Z", "ms": 2003966844029.0361 }, "end": { "local": "2033-07-04T06:55:58+03:00", "utc": "2033-07-04T03:55:58Z", "ms": 2004062158373.7417 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-07-03", "window": { "start": { "local": "2033-07-03T12:09:36+03:00", "utc": "2033-07-03T09:09:36Z", "ms": 2003994576154.7104 }, "end": { "local": "2033-07-03T12:57:36+03:00", "utc": "2033-07-03T09:57:36Z", "ms": 2003997456154.7104 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-07-04", "window": { "start": { "local": "2033-07-04T12:09:46+03:00", "utc": "2033-07-04T09:09:46Z", "ms": 2004080985694.4656 }, "end": { "local": "2033-07-04T12:57:46+03:00", "utc": "2033-07-04T09:57:46Z", "ms": 2004083865694.4656 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 04:27 on Sun 3 Jul to 06:56 on Mon 4 Jul.", "fact": "2033-07-03T01:27:24Z → 2033-07-04T03:55:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 3rd, 12:10–12:58 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18827 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Moscow, 2033: Sunday 3 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": "2033-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-07-03", "confidence": "determinate" } ], "quote": "In Moscow, Vivasvat Saptamī 2033 falls on Sunday 3 July. Saptamī runs from 04:27 on Sun 3 Jul to 06:56 on Mon 4 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ekadashi?on=2033-07-08", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34618, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-07-07T13:33:22+03:00", "utc": "2033-07-07T10:33:22Z", "ms": 2004345201974.6367 }, "end": { "local": "2033-07-08T14:44:31+03:00", "utc": "2033-07-08T11:44:31Z", "ms": 2004435871284.8696 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2033-07-07T13:33:22+03:00", "utc": "2033-07-07T10:33:22Z", "ms": 2004345201974.6367 }, "end": { "local": "2033-07-08T14:44:31+03:00", "utc": "2033-07-08T11:44:31Z", "ms": 2004435871284.8696 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-07-07", "window": { "start": { "local": "2033-07-07T03:56:24+03:00", "utc": "2033-07-07T00:56:24Z", "ms": 2004310584150.706 }, "end": { "local": "2033-07-07T03:56:24+03:00", "utc": "2033-07-07T00:56:24Z", "ms": 2004310584150.706 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-07-08", "window": { "start": { "local": "2033-07-08T03:57:33+03:00", "utc": "2033-07-08T00:57:33Z", "ms": 2004397053438.1252 }, "end": { "local": "2033-07-08T03:57:33+03:00", "utc": "2033-07-08T00:57:33Z", "ms": 2004397053438.1252 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:33 on Thu 7 Jul to 14:45 on Fri 8 Jul.", "fact": "2033-07-07T10:33:22Z → 2033-07-08T11:44:31Z" }, { "step": "kaala", "text": "Sunrise is at 03:56 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 not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34618 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Moscow, 2033: Friday 8 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": "2033-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-07-08", "confidence": "determinate" } ], "quote": "In Moscow, Hariśayanī Ekādaśī 2033 falls on Friday 8 July. Ekādaśī runs from 13:33 on Thu 7 Jul to 14:45 on Fri 8 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-07-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/pradosha-vrata?on=2033-07-09", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-07-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21475, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-07-09T15:12:16+03:00", "utc": "2033-07-09T12:12:16Z", "ms": 2004523936289.6443 }, "end": { "local": "2033-07-10T14:56:09+03:00", "utc": "2033-07-10T11:56:09Z", "ms": 2004609368739.0828 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2033-07-09T15:12:16+03:00", "utc": "2033-07-09T12:12:16Z", "ms": 2004523936289.6443 }, "end": { "local": "2033-07-10T14:56:09+03:00", "utc": "2033-07-10T11:56:09Z", "ms": 2004609368739.0828 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-07-09", "window": { "start": { "local": "2033-07-09T21:10:11+03:00", "utc": "2033-07-09T18:10:11Z", "ms": 2004545411033.2358 }, "end": { "local": "2033-07-09T22:04:50+03:00", "utc": "2033-07-09T19:04:50Z", "ms": 2004548689576.696 } }, "covered_min": 55, "window_min": 55, "qualifies": true }, { "local_date": "2033-07-10", "window": { "start": { "local": "2033-07-10T21:09:11+03:00", "utc": "2033-07-10T18:09:11Z", "ms": 2004631751114.5718 }, "end": { "local": "2033-07-10T22:04:08+03:00", "utc": "2033-07-10T19:04:08Z", "ms": 2004635047940.8696 } }, "covered_min": 0, "window_min": 55, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:12 on Sat 9 Jul to 14:56 on Sun 10 Jul.", "fact": "2033-07-09T12:12:16Z → 2033-07-10T11:56:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:10–22:05 on the 9th, 21:09–22:04 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 55 of 55 minutes on the 9th and 0 of 55 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21475 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2033: Saturday 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": "2033-07-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-07-09", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2033 falls on Saturday 9 July. Trayodaśī runs from 15:12 on Sat 9 Jul to 14:56 on Sun 10 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-07-09", "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/2033/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13392, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2033-07-11T13:59:34+03:00", "utc": "2033-07-11T10:59:34Z", "ms": 2004692373678.5264 }, "end": { "local": "2033-07-12T12:28:37+03:00", "utc": "2033-07-12T09:28:37Z", "ms": 2004773316709.1414 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2033-07-11T13:59:34+03:00", "utc": "2033-07-11T10:59:34Z", "ms": 2004692373678.5264 }, "end": { "local": "2033-07-12T12:28:37+03:00", "utc": "2033-07-12T09:28:37Z", "ms": 2004773316709.1414 } }, "kaala": "sayahna", "days": [ { "local_date": "2033-07-11", "window": { "start": { "local": "2033-07-11T17:42:46+03:00", "utc": "2033-07-11T14:42:46Z", "ms": 2004705765720.215 }, "end": { "local": "2033-07-11T21:08:08+03:00", "utc": "2033-07-11T18:08:08Z", "ms": 2004718087822.3174 } }, "covered_min": 205, "window_min": 205, "qualifies": true }, { "local_date": "2033-07-12", "window": { "start": { "local": "2033-07-12T17:42:08+03:00", "utc": "2033-07-12T14:42:08Z", "ms": 2004792128373.2917 }, "end": { "local": "2033-07-12T21:07:01+03:00", "utc": "2033-07-12T18:07:01Z", "ms": 2004804421223.6104 } }, "covered_min": 0, "window_min": 205, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:00 on Mon 11 Jul to 12:29 on Tue 12 Jul.", "fact": "2033-07-11T10:59:34Z → 2033-07-12T09:28:37Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:43–21:08 on the 11th, 17:42–21:07 on the 12th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. 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 late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13392 s" }, { "step": "ruling", "text": "Kokilā Vrata, Moscow, 2033: Monday 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": "2033-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-07-11", "confidence": "determinate" } ], "quote": "In Moscow, Kokilā Vrata 2033 falls on Monday 11 July. Pūrṇimā runs from 14:00 on Mon 11 Jul to 12:29 on Tue 12 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25714, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2033-07-11T13:59:34+03:00", "utc": "2033-07-11T10:59:34Z", "ms": 2004692373678.5264 }, "end": { "local": "2033-07-12T12:28:37+03:00", "utc": "2033-07-12T09:28:37Z", "ms": 2004773316709.1414 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2033-07-11T13:59:34+03:00", "utc": "2033-07-11T10:59:34Z", "ms": 2004692373678.5264 }, "end": { "local": "2033-07-12T12:28:37+03:00", "utc": "2033-07-12T09:28:37Z", "ms": 2004773316709.1414 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-07-11", "window": { "start": { "local": "2033-07-11T21:08:08+03:00", "utc": "2033-07-11T18:08:08Z", "ms": 2004718087822.3174 }, "end": { "local": "2033-07-11T22:03:24+03:00", "utc": "2033-07-11T19:03:24Z", "ms": 2004721403708.944 } }, "covered_min": 55, "window_min": 55, "qualifies": true }, { "local_date": "2033-07-12", "window": { "start": { "local": "2033-07-12T21:07:01+03:00", "utc": "2033-07-12T18:07:01Z", "ms": 2004804421223.6104 }, "end": { "local": "2033-07-12T22:02:37+03:00", "utc": "2033-07-12T19:02:37Z", "ms": 2004807756927.164 } }, "covered_min": 0, "window_min": 56, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:00 on Mon 11 Jul to 12:29 on Tue 12 Jul.", "fact": "2033-07-11T10:59:34Z → 2033-07-12T09:28:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 21:08–22:03 on the 11th, 21:07–22:03 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 55 of 55 minutes on the 11th and 0 of 56 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: unstated → only-day · margin 25714 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Moscow, 2033: Monday 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": "2033-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-07-11", "confidence": "determinate" } ], "quote": "In Moscow, Śiva Śayanotsava 2033 falls on Monday 11 July. Pūrṇimā runs from 14:00 on Mon 11 Jul to 12:29 on Tue 12 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-07-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18067, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2033-07-11T13:59:34+03:00", "utc": "2033-07-11T10:59:34Z", "ms": 2004692373678.5264 }, "end": { "local": "2033-07-12T12:28:37+03:00", "utc": "2033-07-12T09:28:37Z", "ms": 2004773316709.1414 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2033-07-11T13:59:34+03:00", "utc": "2033-07-11T10:59:34Z", "ms": 2004692373678.5264 }, "end": { "local": "2033-07-12T12:28:37+03:00", "utc": "2033-07-12T09:28:37Z", "ms": 2004773316709.1414 } }, "kaala": "udaya-3", "days": [ { "local_date": "2033-07-11", "window": { "start": { "local": "2033-07-11T04:01:17+03:00", "utc": "2033-07-11T01:01:17Z", "ms": 2004656477311.8054 }, "end": { "local": "2033-07-11T07:26:39+03:00", "utc": "2033-07-11T04:26:39Z", "ms": 2004668799413.9077 } }, "covered_min": 0, "window_min": 205, "qualifies": false }, { "local_date": "2033-07-12", "window": { "start": { "local": "2033-07-12T04:02:37+03:00", "utc": "2033-07-12T01:02:37Z", "ms": 2004742956972.0168 }, "end": { "local": "2033-07-12T07:27:30+03:00", "utc": "2033-07-12T04:27:30Z", "ms": 2004755249822.3354 } }, "covered_min": 205, "window_min": 205, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:00 on Mon 11 Jul to 12:29 on Tue 12 Jul.", "fact": "2033-07-11T10:59:34Z → 2033-07-12T09:28:37Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 04:01–07:27 on the 11th, 04:03–07:27 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 0 of 205 minutes on the 11th and 205 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 18067 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Moscow, 2033: Tuesday 12 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": "2033-07-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-07-12", "confidence": "determinate" } ], "quote": "In Moscow, Vyāsa Pūjā 2033 falls on Tuesday 12 July. Pūrṇimā runs from 14:00 on Mon 11 Jul to 12:29 on Tue 12 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-07-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1068, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2033-07-11T13:59:34+03:00", "utc": "2033-07-11T10:59:34Z", "ms": 2004692373678.5264 }, "end": { "local": "2033-07-12T12:28:37+03:00", "utc": "2033-07-12T09:28:37Z", "ms": 2004773316709.1414 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2033-07-11T13:59:34+03:00", "utc": "2033-07-11T10:59:34Z", "ms": 2004692373678.5264 }, "end": { "local": "2033-07-12T12:28:37+03:00", "utc": "2033-07-12T09:28:37Z", "ms": 2004773316709.1414 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-07-11", "window": { "start": { "local": "2033-07-11T12:10:43+03:00", "utc": "2033-07-11T09:10:43Z", "ms": 2004685842567.0615 }, "end": { "local": "2033-07-11T12:58:43+03:00", "utc": "2033-07-11T09:58:43Z", "ms": 2004688722567.0615 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-07-12", "window": { "start": { "local": "2033-07-12T12:10:49+03:00", "utc": "2033-07-12T09:10:49Z", "ms": 2004772249097.8135 }, "end": { "local": "2033-07-12T12:58:49+03:00", "utc": "2033-07-12T09:58:49Z", "ms": 2004775129097.8135 } }, "covered_min": 18, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:00 on Mon 11 Jul to 12:29 on Tue 12 Jul.", "fact": "2033-07-11T10:59:34Z → 2033-07-12T09:28:37Z" }, { "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 0 of 48 minutes on the 11th and 18 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 1068 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Moscow, 2033: Tuesday 12 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": "2033-07-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-07-12", "confidence": "determinate" } ], "quote": "In Moscow, Guru Pūrṇimā 2033 falls on Tuesday 12 July. Pūrṇimā runs from 14:00 on Mon 11 Jul to 12:29 on Tue 12 Jul and covers 18 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38366, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2033-07-13T10:30:53+03:00", "utc": "2033-07-13T07:30:53Z", "ms": 2004852653085.1333 }, "end": { "local": "2033-07-14T08:14:28+03:00", "utc": "2033-07-14T05:14:28Z", "ms": 2004930868069.864 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2033-07-13T10:30:53+03:00", "utc": "2033-07-13T07:30:53Z", "ms": 2004852653085.1333 }, "end": { "local": "2033-07-14T08:14:28+03:00", "utc": "2033-07-14T05:14:28Z", "ms": 2004930868069.864 } }, "kaala": "moonrise", "days": [ { "local_date": "2033-07-13", "window": { "start": { "local": "2033-07-13T21:10:19+03:00", "utc": "2033-07-13T18:10:19Z", "ms": 2004891019067.558 }, "end": { "local": "2033-07-13T21:10:19+03:00", "utc": "2033-07-13T18:10:19Z", "ms": 2004891019067.558 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-07-14", "window": { "start": { "local": "2033-07-14T21:40:05+03:00", "utc": "2033-07-14T18:40:05Z", "ms": 2004979204776.1736 }, "end": { "local": "2033-07-14T21:40:05+03:00", "utc": "2033-07-14T18:40:05Z", "ms": 2004979204776.1736 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 10:31 on Wed 13 Jul to 08:14 on Thu 14 Jul.", "fact": "2033-07-13T07:30:53Z → 2033-07-14T05:14:28Z" }, { "step": "kaala", "text": "Moonrise is at 21:10 on the 13th and 21:40 on the 14th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā 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. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38366 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Moscow, 2033: Wednesday 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": "2033-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-07-13", "confidence": "determinate" } ], "quote": "In Moscow, Aśūnya Śayana Vrata (Āṣāḍha) 2033 falls on Wednesday 13 July. Dvitīyā runs from 10:31 on Wed 13 Jul to 08:14 on Thu 14 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/sankashta-chaturthi?on=2033-07-15", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18582, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-07-15T05:47:11+03:00", "utc": "2033-07-15T02:47:11Z", "ms": 2005008430697.9478 }, "end": { "local": "2033-07-16T03:16:00+03:00", "utc": "2033-07-16T00:16:00Z", "ms": 2005085760005.8833 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2033-07-15T05:47:11+03:00", "utc": "2033-07-15T02:47:11Z", "ms": 2005008430697.9478 }, "end": { "local": "2033-07-16T03:16:00+03:00", "utc": "2033-07-16T00:16:00Z", "ms": 2005085760005.8833 } }, "kaala": "moonrise", "days": [ { "local_date": "2033-07-14", "window": { "start": { "local": "2033-07-14T21:40:05+03:00", "utc": "2033-07-14T18:40:05Z", "ms": 2004979204776.1736 }, "end": { "local": "2033-07-14T21:40:05+03:00", "utc": "2033-07-14T18:40:05Z", "ms": 2004979204776.1736 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-07-15", "window": { "start": { "local": "2033-07-15T22:06:18+03:00", "utc": "2033-07-15T19:06:18Z", "ms": 2005067178351.375 }, "end": { "local": "2033-07-15T22:06:18+03:00", "utc": "2033-07-15T19:06:18Z", "ms": 2005067178351.375 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:47 on Fri 15 Jul to 03:16 on Sat 16 Jul.", "fact": "2033-07-15T02:47:11Z → 2033-07-16T00:16:00Z" }, { "step": "kaala", "text": "Moonrise is at 21:40 on the 14th and 22:06 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 18582 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2033: Friday 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": "2033-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-07-15", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2033 falls on Friday 15 July. Caturthī runs from 05:47 on Fri 15 Jul to 03:16 on Sat 16 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/sankashta-chaturthi?on=2033-07-15", "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/2033/ekadashi?on=2033-07-22", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-07-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32466, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-07-21T14:40:47+03:00", "utc": "2033-07-21T11:40:47Z", "ms": 2005558846836.906 }, "end": { "local": "2033-07-22T13:18:55+03:00", "utc": "2033-07-22T10:18:55Z", "ms": 2005640335269.5974 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2033-07-21T14:40:47+03:00", "utc": "2033-07-21T11:40:47Z", "ms": 2005558846836.906 }, "end": { "local": "2033-07-22T13:18:55+03:00", "utc": "2033-07-22T10:18:55Z", "ms": 2005640335269.5974 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-07-21", "window": { "start": { "local": "2033-07-21T04:16:10+03:00", "utc": "2033-07-21T01:16:10Z", "ms": 2005521369873.4092 }, "end": { "local": "2033-07-21T04:16:10+03:00", "utc": "2033-07-21T01:16:10Z", "ms": 2005521369873.4092 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-07-22", "window": { "start": { "local": "2033-07-22T04:17:49+03:00", "utc": "2033-07-22T01:17:49Z", "ms": 2005607869222.0815 }, "end": { "local": "2033-07-22T04:17:49+03:00", "utc": "2033-07-22T01:17:49Z", "ms": 2005607869222.0815 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:41 on Thu 21 Jul to 13:19 on Fri 22 Jul.", "fact": "2033-07-21T11:40:47Z → 2033-07-22T10:18:55Z" }, { "step": "kaala", "text": "Sunrise is at 04:16 on the 21st and 04:18 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32466 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Moscow, 2033: Friday 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": "2033-07-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-07-22", "confidence": "determinate" } ], "quote": "In Moscow, Kāmikā Ekādaśī 2033 falls on Friday 22 July. Ekādaśī runs from 14:41 on Thu 21 Jul to 13:19 on Fri 22 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-07-22", "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/2033/pradosha-vrata?on=2033-07-23", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31055, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-07-23T12:13:56+03:00", "utc": "2033-07-23T09:13:56Z", "ms": 2005722835620.3433 }, "end": { "local": "2033-07-24T11:28:44+03:00", "utc": "2033-07-24T08:28:44Z", "ms": 2005806523996.9766 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2033-07-23T12:13:56+03:00", "utc": "2033-07-23T09:13:56Z", "ms": 2005722835620.3433 }, "end": { "local": "2033-07-24T11:28:44+03:00", "utc": "2033-07-24T08:28:44Z", "ms": 2005806523996.9766 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-07-23", "window": { "start": { "local": "2033-07-23T20:51:31+03:00", "utc": "2033-07-23T17:51:31Z", "ms": 2005753890503.3171 }, "end": { "local": "2033-07-23T21:51:28+03:00", "utc": "2033-07-23T18:51:28Z", "ms": 2005757488069.1497 } }, "covered_min": 60, "window_min": 60, "qualifies": true }, { "local_date": "2033-07-24", "window": { "start": { "local": "2033-07-24T20:49:50+03:00", "utc": "2033-07-24T17:49:50Z", "ms": 2005840189725.2856 }, "end": { "local": "2033-07-24T21:50:15+03:00", "utc": "2033-07-24T18:50:15Z", "ms": 2005843814528.0261 } }, "covered_min": 0, "window_min": 60, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:14 on Sat 23 Jul to 11:29 on Sun 24 Jul.", "fact": "2033-07-23T09:13:56Z → 2033-07-24T08:28:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:52–21:51 on the 23rd, 20:50–21:50 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 60 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 31055 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2033: Saturday 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": "2033-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-07-23", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2033 falls on Saturday 23 July. Trayodaśī runs from 12:14 on Sat 23 Jul to 11:29 on Sun 24 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-07-23", "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/2033/shivaratri?on=2033-07-24", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36397, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2033-07-24T11:28:44+03:00", "utc": "2033-07-24T08:28:44Z", "ms": 2005806523996.9766 }, "end": { "local": "2033-07-25T11:06:59+03:00", "utc": "2033-07-25T08:06:59Z", "ms": 2005891619339.912 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2033-07-24T11:28:44+03:00", "utc": "2033-07-24T08:28:44Z", "ms": 2005806523996.9766 }, "end": { "local": "2033-07-25T11:06:59+03:00", "utc": "2033-07-25T08:06:59Z", "ms": 2005891619339.912 } }, "kaala": "nishita", "days": [ { "local_date": "2033-07-23", "window": { "start": { "local": "2033-07-24T00:12:21+03:00", "utc": "2033-07-23T21:12:21Z", "ms": 2005765941375.189 }, "end": { "local": "2033-07-24T01:00:21+03:00", "utc": "2033-07-23T22:00:21Z", "ms": 2005768821375.189 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-07-24", "window": { "start": { "local": "2033-07-25T00:12:23+03:00", "utc": "2033-07-24T21:12:23Z", "ms": 2005852342735.5623 }, "end": { "local": "2033-07-25T01:00:23+03:00", "utc": "2033-07-24T22:00:23Z", "ms": 2005855222735.5623 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:29 on Sun 24 Jul to 11:07 on Mon 25 Jul.", "fact": "2033-07-24T08:28:44Z → 2033-07-25T08:06:59Z" }, { "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 36397 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2033: Sunday 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": "2033-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-07-24", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2033 falls on Sunday 24 July. Caturdaśī runs from 11:29 on Sun 24 Jul to 11:07 on Mon 25 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2033/shivaratri?on=2033-07-24", "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/2033/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-07-29", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 80, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2033-07-28T12:58:08+03:00", "utc": "2033-07-28T09:58:08Z", "ms": 2006157488284.6719 }, "end": { "local": "2033-07-29T14:39:21+03:00", "utc": "2033-07-29T11:39:21Z", "ms": 2006249961461.7173 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2033-07-28T12:58:08+03:00", "utc": "2033-07-28T09:58:08Z", "ms": 2006157488284.6719 }, "end": { "local": "2033-07-29T14:39:21+03:00", "utc": "2033-07-29T11:39:21Z", "ms": 2006249961461.7173 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-07-28", "window": { "start": { "local": "2033-07-28T12:11:28+03:00", "utc": "2033-07-28T09:11:28Z", "ms": 2006154688240.2756 }, "end": { "local": "2033-07-28T12:59:28+03:00", "utc": "2033-07-28T09:59:28Z", "ms": 2006157568240.2756 } }, "covered_min": 1, "window_min": 48, "qualifies": true }, { "local_date": "2033-07-29", "window": { "start": { "local": "2033-07-29T12:11:26+03:00", "utc": "2033-07-29T09:11:26Z", "ms": 2006241086111.787 }, "end": { "local": "2033-07-29T12:59:26+03:00", "utc": "2033-07-29T09:59:26Z", "ms": 2006243966111.787 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 12:58 on Thu 28 Jul to 14:39 on Fri 29 Jul.", "fact": "2033-07-28T09:58:08Z → 2033-07-29T11:39:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 28th, 12:11–12:59 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 1 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": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 80 s < 300 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Moscow, 2033: Friday 29 July.", "fact": "confidence: boundary (margin)" } ], "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": "2033-07-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-07-29", "confidence": "determinate" } ], "quote": "In Moscow, Madhusravā Tṛtīyā (Hariyali Teej) 2033 falls on Friday 29 July. Tṛtīyā runs from 12:58 on Thu 28 Jul to 14:39 on Fri 29 Jul and covers all of madhyāhna that midday. It also reaches the previous midday for 1 minutes; by the rule the second midday is taken. It is 1 min 20 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/vinayaka-chaturthi?on=2033-07-30", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-07-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5995, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-07-29T14:39:21+03:00", "utc": "2033-07-29T11:39:21Z", "ms": 2006249961461.7173 }, "end": { "local": "2033-07-30T16:48:24+03:00", "utc": "2033-07-30T13:48:24Z", "ms": 2006344103726.859 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2033-07-29T14:39:21+03:00", "utc": "2033-07-29T11:39:21Z", "ms": 2006249961461.7173 }, "end": { "local": "2033-07-30T16:48:24+03:00", "utc": "2033-07-30T13:48:24Z", "ms": 2006344103726.859 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-07-29", "window": { "start": { "local": "2033-07-29T12:11:26+03:00", "utc": "2033-07-29T09:11:26Z", "ms": 2006241086111.787 }, "end": { "local": "2033-07-29T12:59:26+03:00", "utc": "2033-07-29T09:59:26Z", "ms": 2006243966111.787 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-07-30", "window": { "start": { "local": "2033-07-30T12:11:23+03:00", "utc": "2033-07-30T09:11:23Z", "ms": 2006327483393.5833 }, "end": { "local": "2033-07-30T12:59:23+03:00", "utc": "2033-07-30T09:59:23Z", "ms": 2006330363393.5833 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:39 on Fri 29 Jul to 16:48 on Sat 30 Jul.", "fact": "2033-07-29T11:39:21Z → 2033-07-30T13:48:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5995 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2033: Saturday 30 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": "2033-07-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-07-30", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2033 falls on Saturday 30 July. Caturthī runs from 14:39 on Fri 29 Jul to 16:48 on Sat 30 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/vinayaka-chaturthi?on=2033-07-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13740, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2033-07-30T16:48:24+03:00", "utc": "2033-07-30T13:48:24Z", "ms": 2006344103726.859 }, "end": { "local": "2033-07-31T19:16:48+03:00", "utc": "2033-07-31T16:16:48Z", "ms": 2006439407799.1167 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2033-07-30T16:48:24+03:00", "utc": "2033-07-30T13:48:24Z", "ms": 2006344103726.859 }, "end": { "local": "2033-07-31T19:16:48+03:00", "utc": "2033-07-31T16:16:48Z", "ms": 2006439407799.1167 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-07-30", "window": { "start": { "local": "2033-07-30T12:11:23+03:00", "utc": "2033-07-30T09:11:23Z", "ms": 2006327483393.5833 }, "end": { "local": "2033-07-30T12:59:23+03:00", "utc": "2033-07-30T09:59:23Z", "ms": 2006330363393.5833 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-07-31", "window": { "start": { "local": "2033-07-31T12:11:20+03:00", "utc": "2033-07-31T09:11:20Z", "ms": 2006413880081.4453 }, "end": { "local": "2033-07-31T12:59:20+03:00", "utc": "2033-07-31T09:59:20Z", "ms": 2006416760081.4453 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 16:48 on Sat 30 Jul to 19:17 on Sun 31 Jul.", "fact": "2033-07-30T13:48:24Z → 2033-07-31T16:16:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 30th, 12:11–12:59 on the 31st.", "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 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: paraviddha → only-day · margin 13740 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Moscow, 2033: Sunday 31 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": "2033-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-07-31", "confidence": "determinate" } ], "quote": "In Moscow, Nāga Pañcamī 2033 falls on Sunday 31 July. Pañcamī runs from 16:48 on Sat 30 Jul to 19:17 on Sun 31 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ekadashi?on=2033-08-06", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 512, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-08-06T04:36:19+03:00", "utc": "2033-08-06T01:36:19Z", "ms": 2006904979044.6667 }, "end": { "local": "2033-08-07T04:31:05+03:00", "utc": "2033-08-07T01:31:05Z", "ms": 2006991065369.8271 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2033-08-06T04:36:19+03:00", "utc": "2033-08-06T01:36:19Z", "ms": 2006904979044.6667 }, "end": { "local": "2033-08-07T04:31:05+03:00", "utc": "2033-08-07T01:31:05Z", "ms": 2006991065369.8271 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-08-06", "window": { "start": { "local": "2033-08-06T04:44:51+03:00", "utc": "2033-08-06T01:44:51Z", "ms": 2006905490662.7698 }, "end": { "local": "2033-08-06T04:44:51+03:00", "utc": "2033-08-06T01:44:51Z", "ms": 2006905490662.7698 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-08-07", "window": { "start": { "local": "2033-08-07T04:46:44+03:00", "utc": "2033-08-07T01:46:44Z", "ms": 2006992004332.2505 }, "end": { "local": "2033-08-07T04:46:44+03:00", "utc": "2033-08-07T01:46:44Z", "ms": 2006992004332.2505 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:36 on Sat 6 Aug to 04:31 on Sun 7 Aug.", "fact": "2033-08-06T01:36:19Z → 2033-08-07T01:31:05Z" }, { "step": "kaala", "text": "Sunrise is at 04:45 on the 6th and 04:47 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 512 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Moscow, 2033: Saturday 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": "2033-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-06", "confidence": "determinate" } ], "quote": "In Moscow, Putradā Ekādaśī 2033 falls on Saturday 6 August. Ekādaśī runs from 04:36 on Sat 6 Aug to 04:31 on Sun 7 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-08-06", "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/2033/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27575, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2033-08-07T04:31:05+03:00", "utc": "2033-08-07T01:31:05Z", "ms": 2006991065369.8271 }, "end": { "local": "2033-08-08T03:37:50+03:00", "utc": "2033-08-08T00:37:50Z", "ms": 2007074269518.5586 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2033-08-07T04:31:05+03:00", "utc": "2033-08-07T01:31:05Z", "ms": 2006991065369.8271 }, "end": { "local": "2033-08-08T03:37:50+03:00", "utc": "2033-08-08T00:37:50Z", "ms": 2007074269518.5586 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-08-07", "window": { "start": { "local": "2033-08-07T12:10:40+03:00", "utc": "2033-08-07T09:10:40Z", "ms": 2007018640173.2615 }, "end": { "local": "2033-08-07T12:58:40+03:00", "utc": "2033-08-07T09:58:40Z", "ms": 2007021520173.2615 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-08-08", "window": { "start": { "local": "2033-08-08T12:10:32+03:00", "utc": "2033-08-08T09:10:32Z", "ms": 2007105032107.349 }, "end": { "local": "2033-08-08T12:58:32+03:00", "utc": "2033-08-08T09:58:32Z", "ms": 2007107912107.349 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:31 on Sun 7 Aug to 03:38 on Mon 8 Aug.", "fact": "2033-08-07T01:31:05Z → 2033-08-08T00:37:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 7th, 12:11–12:59 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27575 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Moscow, 2033: Sunday 7 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": "2033-08-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-07", "confidence": "determinate" } ], "quote": "In Moscow, Dāmodara Dvādaśī 2033 falls on Sunday 7 August. Dvādaśī runs from 04:31 on Sun 7 Aug to 03:38 on Mon 8 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/pradosha-vrata?on=2033-08-08", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16360, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-08-08T03:37:50+03:00", "utc": "2033-08-08T00:37:50Z", "ms": 2007074269518.5586 }, "end": { "local": "2033-08-09T02:01:07+03:00", "utc": "2033-08-08T23:01:07Z", "ms": 2007154866746.2356 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2033-08-08T03:37:50+03:00", "utc": "2033-08-08T00:37:50Z", "ms": 2007074269518.5586 }, "end": { "local": "2033-08-09T02:01:07+03:00", "utc": "2033-08-08T23:01:07Z", "ms": 2007154866746.2356 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-08-07", "window": { "start": { "local": "2033-08-07T20:22:36+03:00", "utc": "2033-08-07T17:22:36Z", "ms": 2007048156014.2725 }, "end": { "local": "2033-08-07T21:30:04+03:00", "utc": "2033-08-07T18:30:04Z", "ms": 2007052204330.052 } }, "covered_min": 0, "window_min": 67, "qualifies": false }, { "local_date": "2033-08-08", "window": { "start": { "local": "2033-08-08T20:20:26+03:00", "utc": "2033-08-08T17:20:26Z", "ms": 2007134425832.0789 }, "end": { "local": "2033-08-08T21:28:27+03:00", "utc": "2033-08-08T18:28:27Z", "ms": 2007138506757.6277 } }, "covered_min": 68, "window_min": 68, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:38 on Mon 8 Aug to 02:01 on Tue 9 Aug.", "fact": "2033-08-08T00:37:50Z → 2033-08-08T23:01:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 20:23–21:30 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 0 of 67 minutes on the 7th and 68 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 16360 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2033: Monday 8 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": "2033-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-08", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2033 falls on Monday 8 August. Trayodaśī runs from 03:38 on Mon 8 Aug to 02:01 on Tue 9 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-08-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20301, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2033-08-09T23:48:10+03:00", "utc": "2033-08-09T20:48:10Z", "ms": 2007233290241.5215 }, "end": { "local": "2033-08-10T21:07:44+03:00", "utc": "2033-08-10T18:07:44Z", "ms": 2007310064438.8406 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2033-08-10T10:30:49+03:00", "utc": "2033-08-10T07:30:49Z", "ms": 2007271848749.2585 }, "end": { "local": "2033-08-10T21:07:44+03:00", "utc": "2033-08-10T18:07:44Z", "ms": 2007310064438.8406 } }, "kaala": "day", "days": [ { "local_date": "2033-08-09", "window": { "start": { "local": "2033-08-09T04:50:33+03:00", "utc": "2033-08-09T01:50:33Z", "ms": 2007165032773.6946 }, "end": { "local": "2033-08-10T04:52:27+03:00", "utc": "2033-08-10T01:52:27Z", "ms": 2007251547469.3103 } }, "covered_min": 0, "window_min": 1442, "qualifies": false }, { "local_date": "2033-08-10", "window": { "start": { "local": "2033-08-10T04:52:27+03:00", "utc": "2033-08-10T01:52:27Z", "ms": 2007251547469.3103 }, "end": { "local": "2033-08-11T04:54:22+03:00", "utc": "2033-08-11T01:54:22Z", "ms": 2007338062437.3206 } }, "covered_min": 637, "window_min": 1442, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:48 on Tue 9 Aug to 21:08 on Wed 10 Aug. Its second half begins at 10:31 on Wed 10 Aug.", "fact": "2033-08-09T20:48:10Z → 2033-08-10T18:07:44Z · second half from 2033-08-10T07:30:49Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 04:51 on the 9th, and from 04:52 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 0 of 1442 minutes on the 9th and 637 of 1442 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20301 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Moscow, 2033: Wednesday 10 August.", "fact": "confidence: determinate" } ], "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": "2033-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-10", "confidence": "determinate" } ], "quote": "In Moscow, Rakṣā Bandhana (Rakhi) 2033 falls on Wednesday 10 August. The second half of Pūrṇimā runs from 10:31 on Wed 10 Aug to 21:08 on Wed 10 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29370, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2033-08-09T23:48:10+03:00", "utc": "2033-08-09T20:48:10Z", "ms": 2007233290241.5215 }, "end": { "local": "2033-08-10T21:07:44+03:00", "utc": "2033-08-10T18:07:44Z", "ms": 2007310064438.8406 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2033-08-09T23:48:10+03:00", "utc": "2033-08-09T20:48:10Z", "ms": 2007233290241.5215 }, "end": { "local": "2033-08-10T21:07:44+03:00", "utc": "2033-08-10T18:07:44Z", "ms": 2007310064438.8406 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-08-09", "window": { "start": { "local": "2033-08-09T12:10:23+03:00", "utc": "2033-08-09T09:10:23Z", "ms": 2007191423466.376 }, "end": { "local": "2033-08-09T12:58:23+03:00", "utc": "2033-08-09T09:58:23Z", "ms": 2007194303466.376 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-08-10", "window": { "start": { "local": "2033-08-10T12:10:14+03:00", "utc": "2033-08-10T09:10:14Z", "ms": 2007277814259.3096 }, "end": { "local": "2033-08-10T12:58:14+03:00", "utc": "2033-08-10T09:58:14Z", "ms": 2007280694259.3096 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:48 on Tue 9 Aug to 21:08 on Wed 10 Aug.", "fact": "2033-08-09T20:48:10Z → 2033-08-10T18:07:44Z" }, { "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 29370 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Moscow, 2033: Wednesday 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": "2033-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-10", "confidence": "determinate" } ], "quote": "In Moscow, Ṛṣi Tarpaṇa 2033 falls on Wednesday 10 August. Pūrṇimā runs from 23:48 on Tue 9 Aug to 21:08 on Wed 10 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7154, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2033-08-11T18:09:10+03:00", "utc": "2033-08-11T15:09:10Z", "ms": 2007385750358.683 }, "end": { "local": "2033-08-12T15:01:44+03:00", "utc": "2033-08-12T12:01:44Z", "ms": 2007460904073.2842 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-08-11T18:09:10+03:00", "utc": "2033-08-11T15:09:10Z", "ms": 2007385750358.683 }, "end": { "local": "2033-08-12T15:01:44+03:00", "utc": "2033-08-12T12:01:44Z", "ms": 2007460904073.2842 } }, "kaala": "moonrise", "days": [ { "local_date": "2033-08-11", "window": { "start": { "local": "2033-08-11T20:08:24+03:00", "utc": "2033-08-11T17:08:24Z", "ms": 2007392904017.4148 }, "end": { "local": "2033-08-11T20:08:24+03:00", "utc": "2033-08-11T17:08:24Z", "ms": 2007392904017.4148 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-08-12", "window": { "start": { "local": "2033-08-12T20:34:30+03:00", "utc": "2033-08-12T17:34:30Z", "ms": 2007480870169.6338 }, "end": { "local": "2033-08-12T20:34:30+03:00", "utc": "2033-08-12T17:34:30Z", "ms": 2007480870169.6338 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 18:09 on Thu 11 Aug to 15:02 on Fri 12 Aug.", "fact": "2033-08-11T15:09:10Z → 2033-08-12T12:01:44Z" }, { "step": "kaala", "text": "Moonrise is at 20:08 on the 11th and 20:35 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 7154 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Moscow, 2033: Thursday 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": "2033-08-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-11", "confidence": "determinate" } ], "quote": "In Moscow, Aśūnya Śayana Vrata 2033 falls on Thursday 11 August. Dvitīyā runs from 18:09 on Thu 11 Aug to 15:02 on Fri 12 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 937, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2033-08-12T15:01:44+03:00", "utc": "2033-08-12T12:01:44Z", "ms": 2007460904073.2842 }, "end": { "local": "2033-08-13T11:54:06+03:00", "utc": "2033-08-13T08:54:06Z", "ms": 2007536045977.2576 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-08-12T15:01:44+03:00", "utc": "2033-08-12T12:01:44Z", "ms": 2007460904073.2842 }, "end": { "local": "2033-08-13T11:54:06+03:00", "utc": "2033-08-13T08:54:06Z", "ms": 2007536045977.2576 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-08-12", "window": { "start": { "local": "2033-08-12T12:09:54+03:00", "utc": "2033-08-12T09:09:54Z", "ms": 2007450594189.5469 }, "end": { "local": "2033-08-12T12:57:54+03:00", "utc": "2033-08-12T09:57:54Z", "ms": 2007453474189.5469 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-08-13", "window": { "start": { "local": "2033-08-13T12:09:43+03:00", "utc": "2033-08-13T09:09:43Z", "ms": 2007536983350.8403 }, "end": { "local": "2033-08-13T12:57:43+03:00", "utc": "2033-08-13T09:57:43Z", "ms": 2007539863350.8403 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:02 on Fri 12 Aug to 11:54 on Sat 13 Aug.", "fact": "2033-08-12T12:01:44Z → 2033-08-13T08:54:06Z" }, { "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 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 937 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Moscow, 2033: Saturday 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": "2033-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-13", "confidence": "determinate" } ], "quote": "In Moscow, Kajjalī Tṛtīyā (Kajari Teej) 2033 falls on Saturday 13 August. Tṛtīyā runs from 15:02 on Fri 12 Aug to 11:54 on Sat 13 Aug, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18776, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-08-13T11:54:06+03:00", "utc": "2033-08-13T08:54:06Z", "ms": 2007536045977.2576 }, "end": { "local": "2033-08-14T08:53:58+03:00", "utc": "2033-08-14T05:53:58Z", "ms": 2007611638084.556 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-08-13T11:54:06+03:00", "utc": "2033-08-13T08:54:06Z", "ms": 2007536045977.2576 }, "end": { "local": "2033-08-14T08:53:58+03:00", "utc": "2033-08-14T05:53:58Z", "ms": 2007611638084.556 } }, "kaala": "sayahna", "days": [ { "local_date": "2033-08-13", "window": { "start": { "local": "2033-08-13T17:07:02+03:00", "utc": "2033-08-13T14:07:02Z", "ms": 2007554821513.6316 }, "end": { "local": "2033-08-13T20:09:14+03:00", "utc": "2033-08-13T17:09:14Z", "ms": 2007565753622.159 } }, "covered_min": 182, "window_min": 182, "qualifies": true }, { "local_date": "2033-08-14", "window": { "start": { "local": "2033-08-14T17:05:34+03:00", "utc": "2033-08-14T14:05:34Z", "ms": 2007641133966.4915 }, "end": { "local": "2033-08-14T20:06:55+03:00", "utc": "2033-08-14T17:06:55Z", "ms": 2007652015282.0142 } }, "covered_min": 0, "window_min": 181, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:54 on Sat 13 Aug to 08:54 on Sun 14 Aug.", "fact": "2033-08-13T08:54:06Z → 2033-08-14T05:53:58Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:07–20:09 on the 13th, 17:06–20:07 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 18776 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Moscow, 2033: Saturday 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": "2033-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-13", "confidence": "determinate" } ], "quote": "In Moscow, Bahulā Caturthī 2033 falls on Saturday 13 August. Caturthī runs from 11:54 on Sat 13 Aug to 08:54 on Sun 14 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/sankashta-chaturthi?on=2033-08-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32730, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-08-13T11:54:06+03:00", "utc": "2033-08-13T08:54:06Z", "ms": 2007536045977.2576 }, "end": { "local": "2033-08-14T08:53:58+03:00", "utc": "2033-08-14T05:53:58Z", "ms": 2007611638084.556 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-08-13T11:54:06+03:00", "utc": "2033-08-13T08:54:06Z", "ms": 2007536045977.2576 }, "end": { "local": "2033-08-14T08:53:58+03:00", "utc": "2033-08-14T05:53:58Z", "ms": 2007611638084.556 } }, "kaala": "moonrise", "days": [ { "local_date": "2033-08-13", "window": { "start": { "local": "2033-08-13T20:59:36+03:00", "utc": "2033-08-13T17:59:36Z", "ms": 2007568775946.5486 }, "end": { "local": "2033-08-13T20:59:36+03:00", "utc": "2033-08-13T17:59:36Z", "ms": 2007568775946.5486 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-08-14", "window": { "start": { "local": "2033-08-14T21:25:13+03:00", "utc": "2033-08-14T18:25:13Z", "ms": 2007656712768.6045 }, "end": { "local": "2033-08-14T21:25:13+03:00", "utc": "2033-08-14T18:25:13Z", "ms": 2007656712768.6045 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:54 on Sat 13 Aug to 08:54 on Sun 14 Aug.", "fact": "2033-08-13T08:54:06Z → 2033-08-14T05:53:58Z" }, { "step": "kaala", "text": "Moonrise is at 21:00 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 32730 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2033: Saturday 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": "2033-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-13", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2033 falls on Saturday 13 August. Caturthī runs from 11:54 on Sat 13 Aug to 08:54 on Sun 14 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/sankashta-chaturthi?on=2033-08-13", "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/2033/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21692, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2033-08-15T06:07:48+03:00", "utc": "2033-08-15T03:07:48Z", "ms": 2007688067700.4504 }, "end": { "local": "2033-08-16T03:40:37+03:00", "utc": "2033-08-16T00:40:37Z", "ms": 2007765637427.376 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-08-15T06:07:48+03:00", "utc": "2033-08-15T03:07:48Z", "ms": 2007688067700.4504 }, "end": { "local": "2033-08-16T03:40:37+03:00", "utc": "2033-08-16T00:40:37Z", "ms": 2007765637427.376 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-08-15", "window": { "start": { "local": "2033-08-15T12:09:20+03:00", "utc": "2033-08-15T09:09:20Z", "ms": 2007709760129.3457 }, "end": { "local": "2033-08-15T12:57:20+03:00", "utc": "2033-08-15T09:57:20Z", "ms": 2007712640129.3457 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-08-16", "window": { "start": { "local": "2033-08-16T12:09:08+03:00", "utc": "2033-08-16T09:09:08Z", "ms": 2007796147771.414 }, "end": { "local": "2033-08-16T12:57:08+03:00", "utc": "2033-08-16T09:57:08Z", "ms": 2007799027771.414 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 06:08 on Mon 15 Aug to 03:41 on Tue 16 Aug.", "fact": "2033-08-15T03:07:48Z → 2033-08-16T00:40:37Z" }, { "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 21692 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Moscow, 2033: Monday 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": "2033-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-15", "confidence": "determinate" } ], "quote": "In Moscow, Hala Ṣaṣṭhī 2033 falls on Monday 15 August. Ṣaṣṭhī runs from 06:08 on Mon 15 Aug to 03:41 on Tue 16 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30510, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2033-08-16T03:40:37+03:00", "utc": "2033-08-16T00:40:37Z", "ms": 2007765637427.376 }, "end": { "local": "2033-08-17T01:36:03+03:00", "utc": "2033-08-16T22:36:03Z", "ms": 2007844562700.26 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-08-16T03:40:37+03:00", "utc": "2033-08-16T00:40:37Z", "ms": 2007765637427.376 }, "end": { "local": "2033-08-17T01:36:03+03:00", "utc": "2033-08-16T22:36:03Z", "ms": 2007844562700.26 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-08-16", "window": { "start": { "local": "2033-08-16T12:09:08+03:00", "utc": "2033-08-16T09:09:08Z", "ms": 2007796147771.414 }, "end": { "local": "2033-08-16T12:57:08+03:00", "utc": "2033-08-16T09:57:08Z", "ms": 2007799027771.414 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-08-17", "window": { "start": { "local": "2033-08-17T12:08:55+03:00", "utc": "2033-08-17T09:08:55Z", "ms": 2007882534930.7915 }, "end": { "local": "2033-08-17T12:56:55+03:00", "utc": "2033-08-17T09:56:55Z", "ms": 2007885414930.7915 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 03:41 on Tue 16 Aug to 01:36 on Wed 17 Aug.", "fact": "2033-08-16T00:40:37Z → 2033-08-16T22:36:03Z" }, { "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 30510 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Moscow, 2033: Tuesday 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": "2033-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-16", "confidence": "determinate" } ], "quote": "In Moscow, Śītalā Saptamī 2033 falls on Tuesday 16 August. Saptamī runs from 03:41 on Tue 16 Aug to 01:36 on Wed 17 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 815, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2033-08-17T01:36:03+03:00", "utc": "2033-08-16T22:36:03Z", "ms": 2007844562700.26 }, "end": { "local": "2033-08-17T23:56:18+03:00", "utc": "2033-08-17T20:56:18Z", "ms": 2007924978223.0513 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-08-17T01:36:03+03:00", "utc": "2033-08-16T22:36:03Z", "ms": 2007844562700.26 }, "end": { "local": "2033-08-17T23:56:18+03:00", "utc": "2033-08-17T20:56:18Z", "ms": 2007924978223.0513 } }, "kaala": "nishita", "days": [ { "local_date": "2033-08-16", "window": { "start": { "local": "2033-08-17T00:10:06+03:00", "utc": "2033-08-16T21:10:06Z", "ms": 2007839405806.736 }, "end": { "local": "2033-08-17T00:58:06+03:00", "utc": "2033-08-16T21:58:06Z", "ms": 2007842285806.736 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-08-17", "window": { "start": { "local": "2033-08-18T00:09:53+03:00", "utc": "2033-08-17T21:09:53Z", "ms": 2007925793017.164 }, "end": { "local": "2033-08-18T00:57:53+03:00", "utc": "2033-08-17T21:57:53Z", "ms": 2007928673017.164 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:36 on Wed 17 Aug to 23:56 on Wed 17 Aug.", "fact": "2033-08-16T22:36:03Z → 2033-08-17T20:56:18Z" }, { "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 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither night qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 815 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Moscow, 2033: Wednesday 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": "2033-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-17", "confidence": "determinate" } ], "quote": "In Moscow, Janmāṣṭamī 2033 falls on Wednesday 17 August. Aṣṭamī runs from 01:36 on Wed 17 Aug to 23:56 on Wed 17 Aug, and reaches niśītha on neither day.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ekadashi?on=2033-08-20", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26191, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-08-19T21:55:15+03:00", "utc": "2033-08-19T18:55:15Z", "ms": 2008090514593.0908 }, "end": { "local": "2033-08-20T21:34:29+03:00", "utc": "2033-08-20T18:34:29Z", "ms": 2008175668738.7786 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-08-19T21:55:15+03:00", "utc": "2033-08-19T18:55:15Z", "ms": 2008090514593.0908 }, "end": { "local": "2033-08-20T21:34:29+03:00", "utc": "2033-08-20T18:34:29Z", "ms": 2008175668738.7786 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-08-20", "window": { "start": { "local": "2033-08-20T05:11:45+03:00", "utc": "2033-08-20T02:11:45Z", "ms": 2008116705249.7192 }, "end": { "local": "2033-08-20T05:11:45+03:00", "utc": "2033-08-20T02:11:45Z", "ms": 2008116705249.7192 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-08-21", "window": { "start": { "local": "2033-08-21T05:13:42+03:00", "utc": "2033-08-21T02:13:42Z", "ms": 2008203221593.5803 }, "end": { "local": "2033-08-21T05:13:42+03:00", "utc": "2033-08-21T02:13:42Z", "ms": 2008203221593.5803 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:55 on Fri 19 Aug to 21:34 on Sat 20 Aug.", "fact": "2033-08-19T18:55:15Z → 2033-08-20T18:34:29Z" }, { "step": "kaala", "text": "Sunrise is at 05:12 on the 20th and 05:14 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 26191 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Moscow, 2033: Saturday 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": "2033-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-20", "confidence": "determinate" } ], "quote": "In Moscow, Ajā Ekādaśī 2033 falls on Saturday 20 August. Ekādaśī runs from 21:55 on Fri 19 Aug to 21:34 on Sat 20 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-08-20", "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/2033/pradosha-vrata?on=2033-08-22", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2083, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-08-21T21:40:22+03:00", "utc": "2033-08-21T18:40:22Z", "ms": 2008262422489.5376 }, "end": { "local": "2033-08-22T22:13:10+03:00", "utc": "2033-08-22T19:13:10Z", "ms": 2008350789695.901 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-08-21T21:40:22+03:00", "utc": "2033-08-21T18:40:22Z", "ms": 2008262422489.5376 }, "end": { "local": "2033-08-22T22:13:10+03:00", "utc": "2033-08-22T19:13:10Z", "ms": 2008350789695.901 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-08-21", "window": { "start": { "local": "2033-08-21T19:50:16+03:00", "utc": "2033-08-21T16:50:16Z", "ms": 2008255816294.1416 }, "end": { "local": "2033-08-21T21:05:39+03:00", "utc": "2033-08-21T18:05:39Z", "ms": 2008260339181.9875 } }, "covered_min": 0, "window_min": 75, "qualifies": false }, { "local_date": "2033-08-22", "window": { "start": { "local": "2033-08-22T19:47:50+03:00", "utc": "2033-08-22T16:47:50Z", "ms": 2008342069722.9 }, "end": { "local": "2033-08-22T21:03:48+03:00", "utc": "2033-08-22T18:03:48Z", "ms": 2008346627667.804 } }, "covered_min": 76, "window_min": 76, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:40 on Sun 21 Aug to 22:13 on Mon 22 Aug.", "fact": "2033-08-21T18:40:22Z → 2033-08-22T19:13:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:50–21:06 on the 21st, 19:48–21:04 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 75 minutes on the 21st and 76 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 2083 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2033: Monday 22 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": "2033-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-22", "confidence": "boundary" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2033 falls on Monday 22 August. Trayodaśī runs from 21:40 on Sun 21 Aug to 22:13 on Mon 22 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-08-22", "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/2033/shivaratri?on=2033-08-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3323, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2033-08-22T22:13:10+03:00", "utc": "2033-08-22T19:13:10Z", "ms": 2008350789695.901 }, "end": { "local": "2033-08-23T23:13:03+03:00", "utc": "2033-08-23T20:13:03Z", "ms": 2008440783312.2239 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-08-22T22:13:10+03:00", "utc": "2033-08-22T19:13:10Z", "ms": 2008350789695.901 }, "end": { "local": "2033-08-23T23:13:03+03:00", "utc": "2033-08-23T20:13:03Z", "ms": 2008440783312.2239 } }, "kaala": "nishita", "days": [ { "local_date": "2033-08-22", "window": { "start": { "local": "2033-08-23T00:08:42+03:00", "utc": "2033-08-22T21:08:42Z", "ms": 2008357722016.29 }, "end": { "local": "2033-08-23T00:56:42+03:00", "utc": "2033-08-22T21:56:42Z", "ms": 2008360602016.29 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-08-23", "window": { "start": { "local": "2033-08-24T00:08:26+03:00", "utc": "2033-08-23T21:08:26Z", "ms": 2008444106475.561 }, "end": { "local": "2033-08-24T00:56:26+03:00", "utc": "2033-08-23T21:56:26Z", "ms": 2008446986475.561 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:13 on Mon 22 Aug to 23:13 on Tue 23 Aug.", "fact": "2033-08-22T19:13:10Z → 2033-08-23T20:13:03Z" }, { "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 3323 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2033: Monday 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": "2033-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-22", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2033 falls on Monday 22 August. Caturdaśī runs from 22:13 on Mon 22 Aug to 23:13 on Tue 23 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2033/shivaratri?on=2033-08-22", "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/2033/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4162, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2033-08-22T22:13:10+03:00", "utc": "2033-08-22T19:13:10Z", "ms": 2008350789695.901 }, "end": { "local": "2033-08-23T23:13:03+03:00", "utc": "2033-08-23T20:13:03Z", "ms": 2008440783312.2239 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-08-22T22:13:10+03:00", "utc": "2033-08-22T19:13:10Z", "ms": 2008350789695.901 }, "end": { "local": "2033-08-23T23:13:03+03:00", "utc": "2033-08-23T20:13:03Z", "ms": 2008440783312.2239 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-08-22", "window": { "start": { "local": "2033-08-22T19:47:50+03:00", "utc": "2033-08-22T16:47:50Z", "ms": 2008342069722.9 }, "end": { "local": "2033-08-22T21:03:48+03:00", "utc": "2033-08-22T18:03:48Z", "ms": 2008346627667.804 } }, "covered_min": 0, "window_min": 76, "qualifies": false }, { "local_date": "2033-08-23", "window": { "start": { "local": "2033-08-23T19:45:22+03:00", "utc": "2033-08-23T16:45:22Z", "ms": 2008428322303.9563 }, "end": { "local": "2033-08-23T21:01:55+03:00", "utc": "2033-08-23T18:01:55Z", "ms": 2008432915416.3843 } }, "covered_min": 77, "window_min": 77, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:13 on Mon 22 Aug to 23:13 on Tue 23 Aug.", "fact": "2033-08-22T19:13:10Z → 2033-08-23T20:13:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:48–21:04 on the 22nd, 19:45–21:02 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 0 of 76 minutes on the 22nd and 77 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 4162 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Moscow, 2033: Tuesday 23 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": "2033-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-23", "confidence": "determinate" } ], "quote": "In Moscow, Aghora Caturdaśī 2033 falls on Tuesday 23 August. Caturdaśī runs from 22:13 on Mon 22 Aug to 23:13 on Tue 23 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34467, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2033-08-25T00:39:50+03:00", "utc": "2033-08-24T21:39:50Z", "ms": 2008532390309.1626 }, "end": { "local": "2033-08-26T02:32:12+03:00", "utc": "2033-08-25T23:32:12Z", "ms": 2008625532116.171 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-08-25T00:39:50+03:00", "utc": "2033-08-24T21:39:50Z", "ms": 2008532390309.1626 }, "end": { "local": "2033-08-26T02:32:12+03:00", "utc": "2033-08-25T23:32:12Z", "ms": 2008625532116.171 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-08-25", "window": { "start": { "local": "2033-08-25T12:06:56+03:00", "utc": "2033-08-25T09:06:56Z", "ms": 2008573616007.816 }, "end": { "local": "2033-08-25T12:54:56+03:00", "utc": "2033-08-25T09:54:56Z", "ms": 2008576496007.816 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-08-26", "window": { "start": { "local": "2033-08-26T12:06:39+03:00", "utc": "2033-08-26T09:06:39Z", "ms": 2008659999260.627 }, "end": { "local": "2033-08-26T12:54:39+03:00", "utc": "2033-08-26T09:54:39Z", "ms": 2008662879260.627 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 00:40 on Thu 25 Aug to 02:32 on Fri 26 Aug.", "fact": "2033-08-24T21:39:50Z → 2033-08-25T23:32:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 25th, 12:07–12:55 on the 26th.", "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 25th and 0 of 48 on the 26th.", "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 34467 s" }, { "step": "ruling", "text": "Rudra Vrata, Moscow, 2033: Thursday 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": "2033-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-25", "confidence": "determinate" } ], "quote": "In Moscow, Rudra Vrata 2033 falls on Thursday 25 August. Pratipadā runs from 00:40 on Thu 25 Aug to 02:32 on Fri 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17264, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2033-08-27T04:46:58+03:00", "utc": "2033-08-27T01:46:58Z", "ms": 2008720017533.6558 }, "end": { "local": "2033-08-28T07:18:20+03:00", "utc": "2033-08-28T04:18:20Z", "ms": 2008815500215.003 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-08-27T04:46:58+03:00", "utc": "2033-08-27T01:46:58Z", "ms": 2008720017533.6558 }, "end": { "local": "2033-08-28T07:18:20+03:00", "utc": "2033-08-28T04:18:20Z", "ms": 2008815500215.003 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-08-27", "window": { "start": { "local": "2033-08-27T12:06:22+03:00", "utc": "2033-08-27T09:06:22Z", "ms": 2008746382129.7832 }, "end": { "local": "2033-08-27T12:54:22+03:00", "utc": "2033-08-27T09:54:22Z", "ms": 2008749262129.7832 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-08-28", "window": { "start": { "local": "2033-08-28T12:06:05+03:00", "utc": "2033-08-28T09:06:05Z", "ms": 2008832764627.2205 }, "end": { "local": "2033-08-28T12:54:05+03:00", "utc": "2033-08-28T09:54:05Z", "ms": 2008835644627.2205 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 04:47 on Sat 27 Aug to 07:18 on Sun 28 Aug.", "fact": "2033-08-27T01:46:58Z → 2033-08-28T04:18:20Z" }, { "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": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17264 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Moscow, 2033: Saturday 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": "2033-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-27", "confidence": "determinate" } ], "quote": "In Moscow, Haritālikā Vrata (Hartalika Teej) 2033 falls on Saturday 27 August. Tṛtīyā runs from 04:47 on Sat 27 Aug to 07:18 on Sun 28 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7689, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-08-28T07:18:20+03:00", "utc": "2033-08-28T04:18:20Z", "ms": 2008815500215.003 }, "end": { "local": "2033-08-29T09:57:37+03:00", "utc": "2033-08-29T06:57:37Z", "ms": 2008911457412.4253 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-08-28T07:18:20+03:00", "utc": "2033-08-28T04:18:20Z", "ms": 2008815500215.003 }, "end": { "local": "2033-08-29T09:57:37+03:00", "utc": "2033-08-29T06:57:37Z", "ms": 2008911457412.4253 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-08-28", "window": { "start": { "local": "2033-08-28T12:06:05+03:00", "utc": "2033-08-28T09:06:05Z", "ms": 2008832764627.2205 }, "end": { "local": "2033-08-28T12:54:05+03:00", "utc": "2033-08-28T09:54:05Z", "ms": 2008835644627.2205 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-08-29", "window": { "start": { "local": "2033-08-29T12:05:47+03:00", "utc": "2033-08-29T09:05:47Z", "ms": 2008919146765.5723 }, "end": { "local": "2033-08-29T12:53:47+03:00", "utc": "2033-08-29T09:53:47Z", "ms": 2008922026765.5723 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:18 on Sun 28 Aug to 09:58 on Mon 29 Aug.", "fact": "2033-08-28T04:18:20Z → 2033-08-29T06:57:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 28th, 12:06–12:54 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7689 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Moscow, 2033: Sunday 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": "2033-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-28", "confidence": "determinate" } ], "quote": "In Moscow, Gaṇeśa Caturthī 2033 falls on Sunday 28 August. Caturthī runs from 07:18 on Sun 28 Aug to 09:58 on Mon 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-29", "confidence": "boundary", "boundary_reasons": [ "tie-break-disputed" ], "boundary_margin_s": 1201, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2033-08-29T09:57:37+03:00", "utc": "2033-08-29T06:57:37Z", "ms": 2008911457412.4253 }, "end": { "local": "2033-08-30T12:33:27+03:00", "utc": "2033-08-30T09:33:27Z", "ms": 2009007207098.1294 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-08-29T09:57:37+03:00", "utc": "2033-08-29T06:57:37Z", "ms": 2008911457412.4253 }, "end": { "local": "2033-08-30T12:33:27+03:00", "utc": "2033-08-30T09:33:27Z", "ms": 2009007207098.1294 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-08-29", "window": { "start": { "local": "2033-08-29T12:05:47+03:00", "utc": "2033-08-29T09:05:47Z", "ms": 2008919146765.5723 }, "end": { "local": "2033-08-29T12:53:47+03:00", "utc": "2033-08-29T09:53:47Z", "ms": 2008922026765.5723 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-08-30", "window": { "start": { "local": "2033-08-30T12:05:29+03:00", "utc": "2033-08-30T09:05:29Z", "ms": 2009005528558.1821 }, "end": { "local": "2033-08-30T12:53:29+03:00", "utc": "2033-08-30T09:53:29Z", "ms": 2009008408558.1821 } }, "covered_min": 28, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:58 on Mon 29 Aug to 12:33 on Tue 30 Aug.", "fact": "2033-08-29T06:57:37Z → 2033-08-30T09:33:27Z" }, { "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": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 28 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify and the cited authorities disagree. The one covered longer is ruled, as a boundary.", "fact": "priority: disputed → greater-coverage · margin 1201 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Moscow, 2033: Monday 29 August.", "fact": "confidence: boundary (tie-break-disputed)" } ], "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": "2033-08-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-29", "confidence": "boundary" } ], "quote": "In Moscow, Ṛṣi Pañcamī 2033 falls on Monday 29 August. Pañcamī runs from 09:58 on Mon 29 Aug to 12:33 on Tue 30 Aug and covers all of madhyāhna that midday. It also reaches the next midday for 28 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1201, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2033-08-30T12:33:27+03:00", "utc": "2033-08-30T09:33:27Z", "ms": 2009007207098.1294 }, "end": { "local": "2033-08-31T14:52:52+03:00", "utc": "2033-08-31T11:52:52Z", "ms": 2009101972299.2214 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-08-30T12:33:27+03:00", "utc": "2033-08-30T09:33:27Z", "ms": 2009007207098.1294 }, "end": { "local": "2033-08-31T14:52:52+03:00", "utc": "2033-08-31T11:52:52Z", "ms": 2009101972299.2214 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-08-30", "window": { "start": { "local": "2033-08-30T12:05:29+03:00", "utc": "2033-08-30T09:05:29Z", "ms": 2009005528558.1821 }, "end": { "local": "2033-08-30T12:53:29+03:00", "utc": "2033-08-30T09:53:29Z", "ms": 2009008408558.1821 } }, "covered_min": 20, "window_min": 48, "qualifies": true }, { "local_date": "2033-08-31", "window": { "start": { "local": "2033-08-31T12:05:10+03:00", "utc": "2033-08-31T09:05:10Z", "ms": 2009091910019.1033 }, "end": { "local": "2033-08-31T12:53:10+03:00", "utc": "2033-08-31T09:53:10Z", "ms": 2009094790019.1033 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 12:33 on Tue 30 Aug to 14:53 on Wed 31 Aug.", "fact": "2033-08-30T09:33:27Z → 2033-08-31T11:52:52Z" }, { "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": "Ṣaṣṭhī must be present during madhyāhna. It covers 20 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": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1201 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Moscow, 2033: Wednesday 31 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": "2033-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-08-31", "confidence": "determinate" } ], "quote": "In Moscow, Sūrya Ṣaṣṭhī (Bhādrapada) 2033 falls on Wednesday 31 August. Ṣaṣṭhī runs from 12:33 on Tue 30 Aug to 14:53 on Wed 31 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 20 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7182, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2033-08-31T14:52:52+03:00", "utc": "2033-08-31T11:52:52Z", "ms": 2009101972299.2214 }, "end": { "local": "2033-09-01T16:43:04+03:00", "utc": "2033-09-01T13:43:04Z", "ms": 2009194983972.522 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-08-31T14:52:52+03:00", "utc": "2033-08-31T11:52:52Z", "ms": 2009101972299.2214 }, "end": { "local": "2033-09-01T16:43:04+03:00", "utc": "2033-09-01T13:43:04Z", "ms": 2009194983972.522 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-08-31", "window": { "start": { "local": "2033-08-31T12:05:10+03:00", "utc": "2033-08-31T09:05:10Z", "ms": 2009091910019.1033 }, "end": { "local": "2033-08-31T12:53:10+03:00", "utc": "2033-08-31T09:53:10Z", "ms": 2009094790019.1033 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-09-01", "window": { "start": { "local": "2033-09-01T12:04:51+03:00", "utc": "2033-09-01T09:04:51Z", "ms": 2009178291163.1016 }, "end": { "local": "2033-09-01T12:52:51+03:00", "utc": "2033-09-01T09:52:51Z", "ms": 2009181171163.1016 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:53 on Wed 31 Aug to 16:43 on Thu 1 Sep.", "fact": "2033-08-31T11:52:52Z → 2033-09-01T13:43:04Z" }, { "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": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7182 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Moscow, 2033: Thursday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2033-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-09-01", "confidence": "determinate" } ], "quote": "In Moscow, Muktābharaṇa Vrata 2033 falls on Thursday 1 September. Saptamī runs from 14:53 on Wed 31 Aug to 16:43 on Thu 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13813, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2033-09-01T16:43:04+03:00", "utc": "2033-09-01T13:43:04Z", "ms": 2009194983972.522 }, "end": { "local": "2033-09-02T17:53:15+03:00", "utc": "2033-09-02T14:53:15Z", "ms": 2009285594946.9324 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-09-01T16:43:04+03:00", "utc": "2033-09-01T13:43:04Z", "ms": 2009194983972.522 }, "end": { "local": "2033-09-02T17:53:15+03:00", "utc": "2033-09-02T14:53:15Z", "ms": 2009285594946.9324 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-09-01", "window": { "start": { "local": "2033-09-01T12:04:51+03:00", "utc": "2033-09-01T09:04:51Z", "ms": 2009178291163.1016 }, "end": { "local": "2033-09-01T12:52:51+03:00", "utc": "2033-09-01T09:52:51Z", "ms": 2009181171163.1016 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-09-02", "window": { "start": { "local": "2033-09-02T12:04:32+03:00", "utc": "2033-09-02T09:04:32Z", "ms": 2009264672005.6758 }, "end": { "local": "2033-09-02T12:52:32+03:00", "utc": "2033-09-02T09:52:32Z", "ms": 2009267552005.6758 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 16:43 on Thu 1 Sep to 17:53 on Fri 2 Sep.", "fact": "2033-09-01T13:43:04Z → 2033-09-02T14:53:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 1st, 12:05–12:53 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13813 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Moscow, 2033: Friday 2 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": "2033-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-09-02", "confidence": "determinate" } ], "quote": "In Moscow, Rādhāṣṭamī 2033 falls on Friday 2 September. Aṣṭamī runs from 16:43 on Thu 1 Sep to 17:53 on Fri 2 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ekadashi?on=2033-09-05", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38985, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-09-04T17:48:51+03:00", "utc": "2033-09-04T14:48:51Z", "ms": 2009458130922.4224 }, "end": { "local": "2033-09-05T16:32:26+03:00", "utc": "2033-09-05T13:32:26Z", "ms": 2009539946270.5405 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-09-04T17:48:51+03:00", "utc": "2033-09-04T14:48:51Z", "ms": 2009458130922.4224 }, "end": { "local": "2033-09-05T16:32:26+03:00", "utc": "2033-09-05T13:32:26Z", "ms": 2009539946270.5405 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-09-04", "window": { "start": { "local": "2033-09-04T05:40:46+03:00", "utc": "2033-09-04T02:40:46Z", "ms": 2009414446213.8364 }, "end": { "local": "2033-09-04T05:40:46+03:00", "utc": "2033-09-04T02:40:46Z", "ms": 2009414446213.8364 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-09-05", "window": { "start": { "local": "2033-09-05T05:42:42+03:00", "utc": "2033-09-05T02:42:42Z", "ms": 2009500961696.8958 }, "end": { "local": "2033-09-05T05:42:42+03:00", "utc": "2033-09-05T02:42:42Z", "ms": 2009500961696.8958 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:49 on Sun 4 Sep to 16:32 on Mon 5 Sep.", "fact": "2033-09-04T14:48:51Z → 2033-09-05T13:32:26Z" }, { "step": "kaala", "text": "Sunrise is at 05:41 on the 4th and 05:43 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38985 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Moscow, 2033: Monday 5 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": "2033-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-09-05", "confidence": "determinate" } ], "quote": "In Moscow, Parivartanī Ekādaśī 2033 falls on Monday 5 September. Ekādaśī runs from 17:49 on Sun 4 Sep to 16:32 on Mon 5 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-09-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6021, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2033-09-05T16:32:26+03:00", "utc": "2033-09-05T13:32:26Z", "ms": 2009539946270.5405 }, "end": { "local": "2033-09-06T14:31:33+03:00", "utc": "2033-09-06T11:31:33Z", "ms": 2009619093398.2742 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-09-05T16:32:26+03:00", "utc": "2033-09-05T13:32:26Z", "ms": 2009539946270.5405 }, "end": { "local": "2033-09-06T14:31:33+03:00", "utc": "2033-09-06T11:31:33Z", "ms": 2009619093398.2742 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-09-05", "window": { "start": { "local": "2033-09-05T12:03:33+03:00", "utc": "2033-09-05T09:03:33Z", "ms": 2009523812892.2053 }, "end": { "local": "2033-09-05T12:51:33+03:00", "utc": "2033-09-05T09:51:33Z", "ms": 2009526692892.2053 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-09-06", "window": { "start": { "local": "2033-09-06T12:03:13+03:00", "utc": "2033-09-06T09:03:13Z", "ms": 2009610192701.2744 }, "end": { "local": "2033-09-06T12:51:13+03:00", "utc": "2033-09-06T09:51:13Z", "ms": 2009613072701.2744 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 16:32 on Mon 5 Sep to 14:32 on Tue 6 Sep.", "fact": "2033-09-05T13:32:26Z → 2033-09-06T11:31:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 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 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6021 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Moscow, 2033: Tuesday 6 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": "2033-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-09-06", "confidence": "determinate" } ], "quote": "In Moscow, Vāmana Jayantī 2033 falls on Tuesday 6 September. Dvādaśī runs from 16:32 on Mon 5 Sep to 14:32 on Tue 6 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/pradosha-vrata?on=2033-09-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16695, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-09-06T14:31:33+03:00", "utc": "2033-09-06T11:31:33Z", "ms": 2009619093398.2742 }, "end": { "local": "2033-09-07T11:53:20+03:00", "utc": "2033-09-07T08:53:20Z", "ms": 2009696000156.4683 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-09-06T14:31:33+03:00", "utc": "2033-09-06T11:31:33Z", "ms": 2009619093398.2742 }, "end": { "local": "2033-09-07T11:53:20+03:00", "utc": "2033-09-07T08:53:20Z", "ms": 2009696000156.4683 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-09-06", "window": { "start": { "local": "2033-09-06T19:09:48+03:00", "utc": "2033-09-06T16:09:48Z", "ms": 2009635788292.015 }, "end": { "local": "2033-09-06T20:34:42+03:00", "utc": "2033-09-06T17:34:42Z", "ms": 2009640882181.6692 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "2033-09-07", "window": { "start": { "local": "2033-09-07T19:07:12+03:00", "utc": "2033-09-07T16:07:12Z", "ms": 2009722032136.0852 }, "end": { "local": "2033-09-07T20:32:42+03:00", "utc": "2033-09-07T17:32:42Z", "ms": 2009727162220.7366 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:32 on Tue 6 Sep to 11:53 on Wed 7 Sep.", "fact": "2033-09-06T11:31:33Z → 2033-09-07T08:53:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 19:10–20:35 on the 6th, 19:07–20:33 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 85 of 85 minutes on the 6th and 0 of 86 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16695 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2033: Tuesday 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": "2033-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-09-06", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2033 falls on Tuesday 6 September. Trayodaśī runs from 14:32 on Tue 6 Sep to 11:53 on Wed 7 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-09-06", "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/2033/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1129, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2033-09-07T11:53:20+03:00", "utc": "2033-09-07T08:53:20Z", "ms": 2009696000156.4683 }, "end": { "local": "2033-09-08T08:46:30+03:00", "utc": "2033-09-08T05:46:30Z", "ms": 2009771189984.9285 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2033-09-07T11:53:20+03:00", "utc": "2033-09-07T08:53:20Z", "ms": 2009696000156.4683 }, "end": { "local": "2033-09-08T08:46:30+03:00", "utc": "2033-09-08T05:46:30Z", "ms": 2009771189984.9285 } }, "kaala": "udaya-3", "days": [ { "local_date": "2033-09-07", "window": { "start": { "local": "2033-09-07T05:46:32+03:00", "utc": "2033-09-07T02:46:32Z", "ms": 2009673992464.4226 }, "end": { "local": "2033-09-07T08:26:40+03:00", "utc": "2033-09-07T05:26:40Z", "ms": 2009683600398.7551 } }, "covered_min": 0, "window_min": 160, "qualifies": false }, { "local_date": "2033-09-08", "window": { "start": { "local": "2033-09-08T05:48:28+03:00", "utc": "2033-09-08T02:48:28Z", "ms": 2009760507770.9697 }, "end": { "local": "2033-09-08T08:27:41+03:00", "utc": "2033-09-08T05:27:41Z", "ms": 2009770061346.933 } }, "covered_min": 159, "window_min": 159, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:53 on Wed 7 Sep to 08:46 on Thu 8 Sep.", "fact": "2033-09-07T08:53:20Z → 2033-09-08T05:46:30Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:47–08:27 on the 7th, 05:48–08:28 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 0 of 160 minutes on the 7th and 159 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 1129 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Moscow, 2033: Thursday 8 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": "2033-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-09-08", "confidence": "determinate" } ], "quote": "In Moscow, Ananta Caturdaśī 2033 falls on Thursday 8 September. Caturdaśī runs from 11:53 on Wed 7 Sep to 08:46 on Thu 8 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/sankashta-chaturthi?on=2033-09-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4126, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-09-11T18:45:22+03:00", "utc": "2033-09-11T15:45:22Z", "ms": 2010066321966.84 }, "end": { "local": "2033-09-12T15:37:54+03:00", "utc": "2033-09-12T12:37:54Z", "ms": 2010141473523.3726 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2033-09-11T18:45:22+03:00", "utc": "2033-09-11T15:45:22Z", "ms": 2010066321966.84 }, "end": { "local": "2033-09-12T15:37:54+03:00", "utc": "2033-09-12T12:37:54Z", "ms": 2010141473523.3726 } }, "kaala": "moonrise", "days": [ { "local_date": "2033-09-11", "window": { "start": { "local": "2033-09-11T19:54:08+03:00", "utc": "2033-09-11T16:54:08Z", "ms": 2010070448312.9084 }, "end": { "local": "2033-09-11T19:54:08+03:00", "utc": "2033-09-11T16:54:08Z", "ms": 2010070448312.9084 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-09-12", "window": { "start": { "local": "2033-09-12T20:25:11+03:00", "utc": "2033-09-12T17:25:11Z", "ms": 2010158711129.4946 }, "end": { "local": "2033-09-12T20:25:11+03:00", "utc": "2033-09-12T17:25:11Z", "ms": 2010158711129.4946 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:45 on Sun 11 Sep to 15:38 on Mon 12 Sep.", "fact": "2033-09-11T15:45:22Z → 2033-09-12T12:37:54Z" }, { "step": "kaala", "text": "Moonrise is at 19:54 on the 11th and 20:25 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4126 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2033: Sunday 11 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2033-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-09-11", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2033 falls on Sunday 11 September. Caturthī runs from 18:45 on Sun 11 Sep to 15:38 on Mon 12 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/sankashta-chaturthi?on=2033-09-11", "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/2033/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29138, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2033-09-13T12:55:29+03:00", "utc": "2033-09-13T09:55:29Z", "ms": 2010218128869.6514 }, "end": { "local": "2033-09-14T10:44:01+03:00", "utc": "2033-09-14T07:44:01Z", "ms": 2010296640602.1255 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2033-09-13T12:55:29+03:00", "utc": "2033-09-13T09:55:29Z", "ms": 2010218128869.6514 }, "end": { "local": "2033-09-14T10:44:01+03:00", "utc": "2033-09-14T07:44:01Z", "ms": 2010296640602.1255 } }, "kaala": "moonrise", "days": [ { "local_date": "2033-09-13", "window": { "start": { "local": "2033-09-13T21:01:06+03:00", "utc": "2033-09-13T18:01:06Z", "ms": 2010247266385.8303 }, "end": { "local": "2033-09-13T21:01:06+03:00", "utc": "2033-09-13T18:01:06Z", "ms": 2010247266385.8303 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-09-14", "window": { "start": { "local": "2033-09-14T21:43:23+03:00", "utc": "2033-09-14T18:43:23Z", "ms": 2010336203253.0388 }, "end": { "local": "2033-09-14T21:43:23+03:00", "utc": "2033-09-14T18:43:23Z", "ms": 2010336203253.0388 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 12:55 on Tue 13 Sep to 10:44 on Wed 14 Sep.", "fact": "2033-09-13T09:55:29Z → 2033-09-14T07:44:01Z" }, { "step": "kaala", "text": "Moonrise is at 21:01 on the 13th and 21:43 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 29138 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Moscow, 2033: Tuesday 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": "2033-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-09-13", "confidence": "determinate" } ], "quote": "In Moscow, Candra Ṣaṣṭhī 2033 falls on Tuesday 13 September. Ṣaṣṭhī runs from 12:55 on Tue 13 Sep to 10:44 on Wed 14 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34710, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2033-09-15T09:07:43+03:00", "utc": "2033-09-15T06:07:43Z", "ms": 2010377263331.0583 }, "end": { "local": "2033-09-16T08:09:02+03:00", "utc": "2033-09-16T05:09:02Z", "ms": 2010460142237.323 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2033-09-15T09:07:43+03:00", "utc": "2033-09-15T06:07:43Z", "ms": 2010377263331.0583 }, "end": { "local": "2033-09-16T08:09:02+03:00", "utc": "2033-09-16T05:09:02Z", "ms": 2010460142237.323 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-09-15", "window": { "start": { "local": "2033-09-15T18:46:14+03:00", "utc": "2033-09-15T15:46:14Z", "ms": 2010411973588.0037 }, "end": { "local": "2033-09-15T20:16:35+03:00", "utc": "2033-09-15T17:16:35Z", "ms": 2010417394510.31 } }, "covered_min": 90, "window_min": 90, "qualifies": true }, { "local_date": "2033-09-16", "window": { "start": { "local": "2033-09-16T18:43:36+03:00", "utc": "2033-09-16T15:43:36Z", "ms": 2010498215556.0457 }, "end": { "local": "2033-09-16T20:14:33+03:00", "utc": "2033-09-16T17:14:33Z", "ms": 2010503672963.5234 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:08 on Thu 15 Sep to 08:09 on Fri 16 Sep.", "fact": "2033-09-15T06:07:43Z → 2033-09-16T05:09:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:46–20:17 on the 15th, 18:44–20:15 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 90 of 90 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 34710 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Moscow, 2033: Thursday 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": "2033-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-09-15", "confidence": "determinate" } ], "quote": "In Moscow, Jitāṣṭamī (Jitiya) 2033 falls on Thursday 15 September. Aṣṭamī runs from 09:08 on Thu 15 Sep to 08:09 on Fri 16 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34572, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2033-09-15T09:07:43+03:00", "utc": "2033-09-15T06:07:43Z", "ms": 2010377263331.0583 }, "end": { "local": "2033-09-16T08:09:02+03:00", "utc": "2033-09-16T05:09:02Z", "ms": 2010460142237.323 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2033-09-15T09:07:43+03:00", "utc": "2033-09-15T06:07:43Z", "ms": 2010377263331.0583 }, "end": { "local": "2033-09-16T08:09:02+03:00", "utc": "2033-09-16T05:09:02Z", "ms": 2010460142237.323 } }, "kaala": "moonrise", "days": [ { "local_date": "2033-09-14", "window": { "start": { "local": "2033-09-14T21:43:23+03:00", "utc": "2033-09-14T18:43:23Z", "ms": 2010336203253.0388 }, "end": { "local": "2033-09-14T21:43:23+03:00", "utc": "2033-09-14T18:43:23Z", "ms": 2010336203253.0388 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-09-15", "window": { "start": { "local": "2033-09-15T22:32:50+03:00", "utc": "2033-09-15T19:32:50Z", "ms": 2010425570403.548 }, "end": { "local": "2033-09-15T22:32:50+03:00", "utc": "2033-09-15T19:32:50Z", "ms": 2010425570403.548 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:08 on Thu 15 Sep to 08:09 on Fri 16 Sep.", "fact": "2033-09-15T06:07:43Z → 2033-09-16T05:09:02Z" }, { "step": "kaala", "text": "Moonrise is at 21:43 on the 14th and 22:33 on the 15th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34572 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Moscow, 2033: Thursday 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": "2033-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-09-15", "confidence": "determinate" } ], "quote": "In Moscow, Mahālakṣmī Vrata Samāpana 2033 falls on Thursday 15 September. Aṣṭamī runs from 09:08 on Thu 15 Sep to 08:09 on Fri 16 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ekadashi?on=2033-09-19", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7033, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-09-18T08:04:55+03:00", "utc": "2033-09-18T05:04:55Z", "ms": 2010632694544.927 }, "end": { "local": "2033-09-19T08:55:38+03:00", "utc": "2033-09-19T05:55:38Z", "ms": 2010722137871.5488 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2033-09-18T08:04:55+03:00", "utc": "2033-09-18T05:04:55Z", "ms": 2010632694544.927 }, "end": { "local": "2033-09-19T08:55:38+03:00", "utc": "2033-09-19T05:55:38Z", "ms": 2010722137871.5488 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-09-18", "window": { "start": { "local": "2033-09-18T06:07:42+03:00", "utc": "2033-09-18T03:07:42Z", "ms": 2010625661817.589 }, "end": { "local": "2033-09-18T06:07:42+03:00", "utc": "2033-09-18T03:07:42Z", "ms": 2010625661817.589 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-09-19", "window": { "start": { "local": "2033-09-19T06:09:38+03:00", "utc": "2033-09-19T03:09:38Z", "ms": 2010712177631.4917 }, "end": { "local": "2033-09-19T06:09:38+03:00", "utc": "2033-09-19T03:09:38Z", "ms": 2010712177631.4917 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:05 on Sun 18 Sep to 08:56 on Mon 19 Sep.", "fact": "2033-09-18T05:04:55Z → 2033-09-19T05:55:38Z" }, { "step": "kaala", "text": "Sunrise is at 06:08 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 not on the 18th and is on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7033 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Moscow, 2033: Monday 19 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": "2033-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-09-19", "confidence": "determinate" } ], "quote": "In Moscow, Indirā Ekādaśī 2033 falls on Monday 19 September. Ekādaśī runs from 08:05 on Sun 18 Sep to 08:56 on Mon 19 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-09-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/pradosha-vrata?on=2033-09-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23142, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-09-20T10:17:00+03:00", "utc": "2033-09-20T07:17:00Z", "ms": 2010813420125.269 }, "end": { "local": "2033-09-21T12:04:43+03:00", "utc": "2033-09-21T09:04:43Z", "ms": 2010906282622.267 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2033-09-20T10:17:00+03:00", "utc": "2033-09-20T07:17:00Z", "ms": 2010813420125.269 }, "end": { "local": "2033-09-21T12:04:43+03:00", "utc": "2033-09-21T09:04:43Z", "ms": 2010906282622.267 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-09-20", "window": { "start": { "local": "2033-09-20T18:33:03+03:00", "utc": "2033-09-20T15:33:03Z", "ms": 2010843183067.6797 }, "end": { "local": "2033-09-20T20:06:27+03:00", "utc": "2033-09-20T17:06:27Z", "ms": 2010848786608.194 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "2033-09-21", "window": { "start": { "local": "2033-09-21T18:30:25+03:00", "utc": "2033-09-21T15:30:25Z", "ms": 2010929424986.1238 }, "end": { "local": "2033-09-21T20:04:25+03:00", "utc": "2033-09-21T17:04:25Z", "ms": 2010935065096.8975 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:17 on Tue 20 Sep to 12:05 on Wed 21 Sep.", "fact": "2033-09-20T07:17:00Z → 2033-09-21T09:04:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:33–20:06 on the 20th, 18:30–20:04 on the 21st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 93 of 93 minutes on the 20th and 0 of 94 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23142 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2033: Tuesday 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": "2033-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-09-20", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2033 falls on Tuesday 20 September. Trayodaśī runs from 10:17 on Tue 20 Sep to 12:05 on Wed 21 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-09-20", "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/2033/shivaratri?on=2033-09-21", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35073, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2033-09-21T12:04:43+03:00", "utc": "2033-09-21T09:04:43Z", "ms": 2010906282622.267 }, "end": { "local": "2033-09-22T14:14:02+03:00", "utc": "2033-09-22T11:14:02Z", "ms": 2011000441550.7708 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2033-09-21T12:04:43+03:00", "utc": "2033-09-21T09:04:43Z", "ms": 2010906282622.267 }, "end": { "local": "2033-09-22T14:14:02+03:00", "utc": "2033-09-22T11:14:02Z", "ms": 2011000441550.7708 } }, "kaala": "nishita", "days": [ { "local_date": "2033-09-21", "window": { "start": { "local": "2033-09-21T23:58:55+03:00", "utc": "2033-09-21T20:58:55Z", "ms": 2010949135401.5251 }, "end": { "local": "2033-09-22T00:46:55+03:00", "utc": "2033-09-21T21:46:55Z", "ms": 2010952015401.5251 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-09-22", "window": { "start": { "local": "2033-09-22T23:58:35+03:00", "utc": "2033-09-22T20:58:35Z", "ms": 2011035514565.0269 }, "end": { "local": "2033-09-23T00:46:35+03:00", "utc": "2033-09-22T21:46:35Z", "ms": 2011038394565.0269 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:05 on Wed 21 Sep to 14:14 on Thu 22 Sep.", "fact": "2033-09-21T09:04:43Z → 2033-09-22T11:14:02Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:59–00:47 on the 21st, 23:59–00:47 on the 22nd.", "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 21st and 0 of 48 on the 22nd.", "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 35073 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2033: Wednesday 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": "2033-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-09-21", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2033 falls on Wednesday 21 September. Caturdaśī runs from 12:05 on Wed 21 Sep to 14:14 on Thu 22 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2033/shivaratri?on=2033-09-21", "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/2033/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-09-23", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2351, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2033-09-22T14:14:02+03:00", "utc": "2033-09-22T11:14:02Z", "ms": 2011000441550.7708 }, "end": { "local": "2033-09-23T16:39:48+03:00", "utc": "2033-09-23T13:39:48Z", "ms": 2011095588336.4321 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2033-09-22T14:14:02+03:00", "utc": "2033-09-22T11:14:02Z", "ms": 2011000441550.7708 }, "end": { "local": "2033-09-23T16:39:48+03:00", "utc": "2033-09-23T13:39:48Z", "ms": 2011095588336.4321 } }, "kaala": "aparahna", "days": [ { "local_date": "2033-09-22", "window": { "start": { "local": "2033-09-22T13:34:51+03:00", "utc": "2033-09-22T10:34:51Z", "ms": 2010998090509.8894 }, "end": { "local": "2033-09-22T16:01:19+03:00", "utc": "2033-09-22T13:01:19Z", "ms": 2011006878740.877 } }, "covered_min": 107, "window_min": 146, "qualifies": true }, { "local_date": "2033-09-23", "window": { "start": { "local": "2033-09-23T13:34:02+03:00", "utc": "2033-09-23T10:34:02Z", "ms": 2011084442293.3367 }, "end": { "local": "2033-09-23T15:59:36+03:00", "utc": "2033-09-23T12:59:36Z", "ms": 2011093175671.7192 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 14:14 on Thu 22 Sep to 16:40 on Fri 23 Sep.", "fact": "2033-09-22T11:14:02Z → 2033-09-23T13:39:48Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:35–16:01 on the 22nd, 13:34–16:00 on the 23rd.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 107 of 146 minutes on the 22nd and 146 of 146 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 2351 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Moscow, 2033: Friday 23 September.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2033-09-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-09-23", "confidence": "boundary" } ], "quote": "In Moscow, Mahālaya Amāvāsyā 2033 falls on Friday 23 September. Amāvasyā runs from 14:14 on Thu 22 Sep to 16:40 on Fri 23 Sep and covers all of aparāhṇa that afternoon. It also reaches the previous afternoon for 107 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/2033/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/2033/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14073, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2033-09-23T16:39:48+03:00", "utc": "2033-09-23T13:39:48Z", "ms": 2011095588336.4321 }, "end": { "local": "2033-09-24T19:16:18+03:00", "utc": "2033-09-24T16:16:18Z", "ms": 2011191377691.9336 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2033-09-23T16:39:48+03:00", "utc": "2033-09-23T13:39:48Z", "ms": 2011095588336.4321 }, "end": { "local": "2033-09-24T19:16:18+03:00", "utc": "2033-09-24T16:16:18Z", "ms": 2011191377691.9336 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-09-23", "window": { "start": { "local": "2033-09-23T11:57:16+03:00", "utc": "2033-09-23T08:57:16Z", "ms": 2011078635604.1455 }, "end": { "local": "2033-09-23T12:45:16+03:00", "utc": "2033-09-23T09:45:16Z", "ms": 2011081515604.1455 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-09-24", "window": { "start": { "local": "2033-09-24T11:56:55+03:00", "utc": "2033-09-24T08:56:55Z", "ms": 2011165014950.361 }, "end": { "local": "2033-09-24T12:44:55+03:00", "utc": "2033-09-24T09:44:55Z", "ms": 2011167894950.361 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 16:40 on Fri 23 Sep to 19:16 on Sat 24 Sep.", "fact": "2033-09-23T13:39:48Z → 2033-09-24T16:16:18Z" }, { "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 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: paraviddha → only-day · margin 14073 s" }, { "step": "ruling", "text": "Navarātrārambha, Moscow, 2033: Saturday 24 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": "2033-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-09-24", "confidence": "determinate" } ], "quote": "In Moscow, Navarātrārambha (Navratri) 2033 falls on Saturday 24 September. Pratipadā runs from 16:40 on Fri 23 Sep to 19:16 on Sat 24 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/vinayaka-chaturthi?on=2033-09-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32262, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-09-27T00:33:38+03:00", "utc": "2033-09-26T21:33:38Z", "ms": 2011383218202.461 }, "end": { "local": "2033-09-28T02:57:52+03:00", "utc": "2033-09-27T23:57:52Z", "ms": 2011478272064.5144 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2033-09-27T00:33:38+03:00", "utc": "2033-09-26T21:33:38Z", "ms": 2011383218202.461 }, "end": { "local": "2033-09-28T02:57:52+03:00", "utc": "2033-09-27T23:57:52Z", "ms": 2011478272064.5144 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-09-27", "window": { "start": { "local": "2033-09-27T11:55:54+03:00", "utc": "2033-09-27T08:55:54Z", "ms": 2011424153981.8677 }, "end": { "local": "2033-09-27T12:43:54+03:00", "utc": "2033-09-27T09:43:54Z", "ms": 2011427033981.8677 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-09-28", "window": { "start": { "local": "2033-09-28T11:55:34+03:00", "utc": "2033-09-28T08:55:34Z", "ms": 2011510534048.774 }, "end": { "local": "2033-09-28T12:43:34+03:00", "utc": "2033-09-28T09:43:34Z", "ms": 2011513414048.774 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:34 on Tue 27 Sep to 02:58 on Wed 28 Sep.", "fact": "2033-09-26T21:33:38Z → 2033-09-27T23:57:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 27th, 11:56–12:44 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 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32262 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2033: Tuesday 27 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": "2033-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-09-27", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2033 falls on Tuesday 27 September. Caturthī runs from 00:34 on Tue 27 Sep to 02:58 on Wed 28 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/vinayaka-chaturthi?on=2033-09-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-01", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 7, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2033-09-30T06:31:09+03:00", "utc": "2033-09-30T03:31:09Z", "ms": 2011663868678.191 }, "end": { "local": "2033-10-01T07:23:13+03:00", "utc": "2033-10-01T04:23:13Z", "ms": 2011753392630.3013 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2033-09-30T06:31:09+03:00", "utc": "2033-09-30T03:31:09Z", "ms": 2011663868678.191 }, "end": { "local": "2033-10-01T07:23:13+03:00", "utc": "2033-10-01T04:23:13Z", "ms": 2011753392630.3013 } }, "kaala": "udaya-1", "days": [ { "local_date": "2033-09-30", "window": { "start": { "local": "2033-09-30T06:31:01+03:00", "utc": "2033-09-30T03:31:01Z", "ms": 2011663861413.8853 }, "end": { "local": "2033-09-30T07:17:25+03:00", "utc": "2033-09-30T04:17:25Z", "ms": 2011666644542.0708 } }, "covered_min": 46, "window_min": 46, "qualifies": false }, { "local_date": "2033-10-01", "window": { "start": { "local": "2033-10-01T06:32:59+03:00", "utc": "2033-10-01T03:32:59Z", "ms": 2011750379257.1138 }, "end": { "local": "2033-10-01T07:19:04+03:00", "utc": "2033-10-01T04:19:04Z", "ms": 2011753144112.4182 } }, "covered_min": 46, "window_min": 46, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:31 on Fri 30 Sep to 07:23 on Sat 1 Oct.", "fact": "2033-09-30T03:31:09Z → 2033-10-01T04:23:13Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:31–07:17 on the 30th, 06:33–07:19 on the 1st.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 46 of 46 minutes on the 30th and 46 of 46 on the 1st.", "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 7 s < 300 s" }, { "step": "ruling", "text": "Durgā Saptamī, Moscow, 2033: Saturday 1 October.", "fact": "confidence: boundary (margin)" } ], "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": "2033-09-30", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-01", "confidence": "boundary" } ], "quote": "In Moscow, Durgā Saptamī 2033 falls on Saturday 1 October. Saptamī runs from 06:31 on Fri 30 Sep to 07:23 on Sat 1 Oct and covers all of the first muhūrta after sunrise that morning. It is 0 min 07 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15808, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2033-10-01T07:23:13+03:00", "utc": "2033-10-01T04:23:13Z", "ms": 2011753392630.3013 }, "end": { "local": "2033-10-02T07:30:49+03:00", "utc": "2033-10-02T04:30:49Z", "ms": 2011840249131.82 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2033-10-01T07:23:13+03:00", "utc": "2033-10-01T04:23:13Z", "ms": 2011753392630.3013 }, "end": { "local": "2033-10-02T07:30:49+03:00", "utc": "2033-10-02T04:30:49Z", "ms": 2011840249131.82 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-10-01", "window": { "start": { "local": "2033-10-01T11:54:36+03:00", "utc": "2033-10-01T08:54:36Z", "ms": 2011769675671.8975 }, "end": { "local": "2033-10-01T12:42:36+03:00", "utc": "2033-10-01T09:42:36Z", "ms": 2011772555671.8975 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-10-02", "window": { "start": { "local": "2033-10-02T11:54:17+03:00", "utc": "2033-10-02T08:54:17Z", "ms": 2011856056749.4346 }, "end": { "local": "2033-10-02T12:42:17+03:00", "utc": "2033-10-02T09:42:17Z", "ms": 2011858936749.4346 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:23 on Sat 1 Oct to 07:31 on Sun 2 Oct.", "fact": "2033-10-01T04:23:13Z → 2033-10-02T04:30:49Z" }, { "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": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15808 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Moscow, 2033: Saturday 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": "2033-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-01", "confidence": "determinate" } ], "quote": "In Moscow, Mahāṣṭamī (Durga Ashtami) 2033 falls on Saturday 1 October. Aṣṭamī runs from 07:23 on Sat 1 Oct to 07:31 on Sun 2 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15808, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2033-10-02T07:30:49+03:00", "utc": "2033-10-02T04:30:49Z", "ms": 2011840249131.82 }, "end": { "local": "2033-10-03T06:51:29+03:00", "utc": "2033-10-03T03:51:29Z", "ms": 2011924289279.386 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2033-10-02T07:30:49+03:00", "utc": "2033-10-02T04:30:49Z", "ms": 2011840249131.82 }, "end": { "local": "2033-10-03T06:51:29+03:00", "utc": "2033-10-03T03:51:29Z", "ms": 2011924289279.386 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-10-02", "window": { "start": { "local": "2033-10-02T11:54:17+03:00", "utc": "2033-10-02T08:54:17Z", "ms": 2011856056749.4346 }, "end": { "local": "2033-10-02T12:42:17+03:00", "utc": "2033-10-02T09:42:17Z", "ms": 2011858936749.4346 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-10-03", "window": { "start": { "local": "2033-10-03T11:53:58+03:00", "utc": "2033-10-03T08:53:58Z", "ms": 2011942438127.5605 }, "end": { "local": "2033-10-03T12:41:58+03:00", "utc": "2033-10-03T09:41:58Z", "ms": 2011945318127.5605 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 07:31 on Sun 2 Oct to 06:51 on Mon 3 Oct.", "fact": "2033-10-02T04:30:49Z → 2033-10-03T03:51:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 2nd, 11:54–12:42 on the 3rd.", "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 2nd and 0 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: purvaviddha → only-day · margin 15808 s" }, { "step": "ruling", "text": "Mahānavamī, Moscow, 2033: Sunday 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": "2033-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-02", "confidence": "determinate" } ], "quote": "In Moscow, Mahānavamī 2033 falls on Sunday 2 October. Navamī runs from 07:31 on Sun 2 Oct to 06:51 on Mon 3 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1604, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2033-10-03T06:51:29+03:00", "utc": "2033-10-03T03:51:29Z", "ms": 2011924289279.386 }, "end": { "local": "2033-10-04T05:25:53+03:00", "utc": "2033-10-04T02:25:53Z", "ms": 2012005553216.72 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2033-10-03T17:32:16+03:00", "utc": "2033-10-03T14:32:16Z", "ms": 2011962736322.93 }, "end": { "local": "2033-10-04T05:25:53+03:00", "utc": "2033-10-04T02:25:53Z", "ms": 2012005553216.72 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2033-10-03T17:32:16+03:00", "utc": "2033-10-03T14:32:16Z", "ms": 2011962736322.93 }, "end": { "local": "2033-10-04T16:28:55+03:00", "utc": "2033-10-04T13:28:55Z", "ms": 2012045335218.372 } } }, "kaala": "daytime", "days": [ { "local_date": "2033-10-03", "window": { "start": { "local": "2033-10-03T06:36:56+03:00", "utc": "2033-10-03T03:36:56Z", "ms": 2011923415642.0679 }, "end": { "local": "2033-10-03T17:59:01+03:00", "utc": "2033-10-03T14:59:01Z", "ms": 2011964340613.053 } }, "covered_min": 27, "window_min": 682, "qualifies": true }, { "local_date": "2033-10-04", "window": { "start": { "local": "2033-10-04T06:38:54+03:00", "utc": "2033-10-04T03:38:54Z", "ms": 2012009934203.7183 }, "end": { "local": "2033-10-04T17:56:25+03:00", "utc": "2033-10-04T14:56:25Z", "ms": 2012050585449.6086 } }, "covered_min": 0, "window_min": 678, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 06:51 on Mon 3 Oct to 05:26 on Tue 4 Oct, and Śravaṇa from 17:32 on Mon 3 Oct to 16:29 on Tue 4 Oct. They are together from 17:32 on Mon 3 Oct to 05:26 on Tue 4 Oct.", "fact": "2033-10-03T14:32:16Z → 2033-10-04T02:25:53Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:37–17:59 on the 3rd, 06:39–17:56 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 27 of 682 minutes on the 3rd and 0 of 678 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 1604 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Moscow, 2033: Monday 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": "2033-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-03", "confidence": "determinate" } ], "quote": "In Moscow, Vijayā Daśamī (Dussehra) 2033 falls on Monday 3 October. Daśamī runs from 06:51 on Mon 3 Oct to 05:26 on Tue 4 Oct and is with Śravaṇa in the day time that day, for 27 minutes.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ekadashi?on=2033-10-04", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4381, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-10-04T05:25:53+03:00", "utc": "2033-10-04T02:25:53Z", "ms": 2012005553216.72 }, "end": { "local": "2033-10-05T03:17:34+03:00", "utc": "2033-10-05T00:17:34Z", "ms": 2012084254143.589 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2033-10-04T05:25:53+03:00", "utc": "2033-10-04T02:25:53Z", "ms": 2012005553216.72 }, "end": { "local": "2033-10-05T03:17:34+03:00", "utc": "2033-10-05T00:17:34Z", "ms": 2012084254143.589 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-10-04", "window": { "start": { "local": "2033-10-04T06:38:54+03:00", "utc": "2033-10-04T03:38:54Z", "ms": 2012009934203.7183 }, "end": { "local": "2033-10-04T06:38:54+03:00", "utc": "2033-10-04T03:38:54Z", "ms": 2012009934203.7183 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-10-05", "window": { "start": { "local": "2033-10-05T06:40:53+03:00", "utc": "2033-10-05T03:40:53Z", "ms": 2012096453026.0364 }, "end": { "local": "2033-10-05T06:40:53+03:00", "utc": "2033-10-05T03:40:53Z", "ms": 2012096453026.0364 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:26 on Tue 4 Oct to 03:18 on Wed 5 Oct.", "fact": "2033-10-04T02:25:53Z → 2033-10-05T00:17:34Z" }, { "step": "kaala", "text": "Sunrise is at 06:39 on the 4th and 06:41 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 4381 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Moscow, 2033: Tuesday 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": "2033-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-04", "confidence": "determinate" } ], "quote": "In Moscow, Pāśāṅkuśā Ekādaśī 2033 falls on Tuesday 4 October. Ekādaśī runs from 05:26 on Tue 4 Oct to 03:18 on Wed 5 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-10-04", "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/2033/pradosha-vrata?on=2033-10-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6224, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-10-06T00:32:27+03:00", "utc": "2033-10-05T21:32:27Z", "ms": 2012160746559.7632 }, "end": { "local": "2033-10-06T21:18:10+03:00", "utc": "2033-10-06T18:18:10Z", "ms": 2012235489603.134 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2033-10-06T00:32:27+03:00", "utc": "2033-10-05T21:32:27Z", "ms": 2012160746559.7632 }, "end": { "local": "2033-10-06T21:18:10+03:00", "utc": "2033-10-06T18:18:10Z", "ms": 2012235489603.134 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-10-05", "window": { "start": { "local": "2033-10-05T17:53:51+03:00", "utc": "2033-10-05T14:53:51Z", "ms": 2012136830710.0007 }, "end": { "local": "2033-10-05T19:36:23+03:00", "utc": "2033-10-05T16:36:23Z", "ms": 2012142982898.1965 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "2033-10-06", "window": { "start": { "local": "2033-10-06T17:51:16+03:00", "utc": "2033-10-06T14:51:16Z", "ms": 2012223076426.393 }, "end": { "local": "2033-10-06T19:34:25+03:00", "utc": "2033-10-06T16:34:25Z", "ms": 2012229265103.4082 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:32 on Thu 6 Oct to 21:18 on Thu 6 Oct.", "fact": "2033-10-05T21:32:27Z → 2033-10-06T18:18:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:36 on the 5th, 17:51–19:34 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 0 of 103 minutes on the 5th and 103 of 103 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 6224 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2033: Thursday 6 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": "2033-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-06", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2033 falls on Thursday 6 October. Trayodaśī runs from 00:32 on Thu 6 Oct to 21:18 on Thu 6 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-10-06", "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/2033/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17350, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-10-11T03:16:23+03:00", "utc": "2033-10-11T00:16:23Z", "ms": 2012602582560.8499 }, "end": { "local": "2033-10-12T00:25:53+03:00", "utc": "2033-10-11T21:25:53Z", "ms": 2012678752521.125 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-11T03:16:23+03:00", "utc": "2033-10-11T00:16:23Z", "ms": 2012602582560.8499 }, "end": { "local": "2033-10-12T00:25:53+03:00", "utc": "2033-10-11T21:25:53Z", "ms": 2012678752521.125 } }, "kaala": "moonrise", "days": [ { "local_date": "2033-10-10", "window": { "start": { "local": "2033-10-10T18:55:50+03:00", "utc": "2033-10-10T15:55:50Z", "ms": 2012572550295.349 }, "end": { "local": "2033-10-10T18:55:50+03:00", "utc": "2033-10-10T15:55:50Z", "ms": 2012572550295.349 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-10-11", "window": { "start": { "local": "2033-10-11T19:36:42+03:00", "utc": "2033-10-11T16:36:42Z", "ms": 2012661402216.2441 }, "end": { "local": "2033-10-11T19:36:42+03:00", "utc": "2033-10-11T16:36:42Z", "ms": 2012661402216.2441 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:16 on Tue 11 Oct to 00:26 on Wed 12 Oct.", "fact": "2033-10-11T00:16:23Z → 2033-10-11T21:25:53Z" }, { "step": "kaala", "text": "Moonrise is at 18:56 on the 10th and 19:37 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 17350 s" }, { "step": "ruling", "text": "Karaka Caturthī, Moscow, 2033: Tuesday 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": "2033-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-11", "confidence": "determinate" } ], "quote": "In Moscow, Karaka Caturthī (Karwa Chauth) 2033 falls on Tuesday 11 October. Caturthī runs from 03:16 on Tue 11 Oct to 00:26 on Wed 12 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/sankashta-chaturthi?on=2033-10-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17350, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-10-11T03:16:23+03:00", "utc": "2033-10-11T00:16:23Z", "ms": 2012602582560.8499 }, "end": { "local": "2033-10-12T00:25:53+03:00", "utc": "2033-10-11T21:25:53Z", "ms": 2012678752521.125 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-11T03:16:23+03:00", "utc": "2033-10-11T00:16:23Z", "ms": 2012602582560.8499 }, "end": { "local": "2033-10-12T00:25:53+03:00", "utc": "2033-10-11T21:25:53Z", "ms": 2012678752521.125 } }, "kaala": "moonrise", "days": [ { "local_date": "2033-10-10", "window": { "start": { "local": "2033-10-10T18:55:50+03:00", "utc": "2033-10-10T15:55:50Z", "ms": 2012572550295.349 }, "end": { "local": "2033-10-10T18:55:50+03:00", "utc": "2033-10-10T15:55:50Z", "ms": 2012572550295.349 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-10-11", "window": { "start": { "local": "2033-10-11T19:36:42+03:00", "utc": "2033-10-11T16:36:42Z", "ms": 2012661402216.2441 }, "end": { "local": "2033-10-11T19:36:42+03:00", "utc": "2033-10-11T16:36:42Z", "ms": 2012661402216.2441 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:16 on Tue 11 Oct to 00:26 on Wed 12 Oct.", "fact": "2033-10-11T00:16:23Z → 2033-10-11T21:25:53Z" }, { "step": "kaala", "text": "Moonrise is at 18:56 on the 10th and 19:37 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 17350 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2033: Tuesday 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": "2033-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-11", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2033 falls on Tuesday 11 October. Caturthī runs from 03:16 on Tue 11 Oct to 00:26 on Wed 12 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/sankashta-chaturthi?on=2033-10-11", "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/2033/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8956, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2033-10-14T19:52:44+03:00", "utc": "2033-10-14T16:52:44Z", "ms": 2012921564401.646 }, "end": { "local": "2033-10-15T19:54:02+03:00", "utc": "2033-10-15T16:54:02Z", "ms": 2013008042320.455 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-14T19:52:44+03:00", "utc": "2033-10-14T16:52:44Z", "ms": 2012921564401.646 }, "end": { "local": "2033-10-15T19:54:02+03:00", "utc": "2033-10-15T16:54:02Z", "ms": 2013008042320.455 } }, "kaala": "moonrise", "days": [ { "local_date": "2033-10-14", "window": { "start": { "local": "2033-10-14T22:22:01+03:00", "utc": "2033-10-14T19:22:01Z", "ms": 2012930520841.921 }, "end": { "local": "2033-10-14T22:22:01+03:00", "utc": "2033-10-14T19:22:01Z", "ms": 2012930520841.921 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-10-15", "window": { "start": { "local": "2033-10-15T23:27:09+03:00", "utc": "2033-10-15T20:27:09Z", "ms": 2013020828559.3447 }, "end": { "local": "2033-10-15T23:27:09+03:00", "utc": "2033-10-15T20:27:09Z", "ms": 2013020828559.3447 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:53 on Fri 14 Oct to 19:54 on Sat 15 Oct.", "fact": "2033-10-14T16:52:44Z → 2033-10-15T16:54:02Z" }, { "step": "kaala", "text": "Moonrise is at 22:22 on the 14th and 23:27 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 8956 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Moscow, 2033: Friday 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": "2033-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-14", "confidence": "determinate" } ], "quote": "In Moscow, Ahoyī Aṣṭamī 2033 falls on Friday 14 October. Aṣṭamī runs from 19:53 on Fri 14 Oct to 19:54 on Sat 15 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ekadashi?on=2033-10-18", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25330, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-10-17T22:07:35+03:00", "utc": "2033-10-17T19:07:35Z", "ms": 2013188854849.2415 }, "end": { "local": "2033-10-19T00:07:01+03:00", "utc": "2033-10-18T21:07:01Z", "ms": 2013282421151.0928 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-17T22:07:35+03:00", "utc": "2033-10-17T19:07:35Z", "ms": 2013188854849.2415 }, "end": { "local": "2033-10-19T00:07:01+03:00", "utc": "2033-10-18T21:07:01Z", "ms": 2013282421151.0928 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-10-18", "window": { "start": { "local": "2033-10-18T07:07:07+03:00", "utc": "2033-10-18T04:07:07Z", "ms": 2013221227157.8135 }, "end": { "local": "2033-10-18T07:07:07+03:00", "utc": "2033-10-18T04:07:07Z", "ms": 2013221227157.8135 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-10-19", "window": { "start": { "local": "2033-10-19T07:09:11+03:00", "utc": "2033-10-19T04:09:11Z", "ms": 2013307750730.9526 }, "end": { "local": "2033-10-19T07:09:11+03:00", "utc": "2033-10-19T04:09:11Z", "ms": 2013307750730.9526 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:08 on Mon 17 Oct to 00:07 on Wed 19 Oct.", "fact": "2033-10-17T19:07:35Z → 2033-10-18T21:07:01Z" }, { "step": "kaala", "text": "Sunrise is at 07:07 on the 18th and 07:09 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 25330 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Moscow, 2033: Tuesday 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": "2033-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-18", "confidence": "determinate" } ], "quote": "In Moscow, Ramā Ekādaśī 2033 falls on Tuesday 18 October. Ekādaśī runs from 22:08 on Mon 17 Oct to 00:07 on Wed 19 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-10-18", "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/2033/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17724, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2033-10-19T00:07:01+03:00", "utc": "2033-10-18T21:07:01Z", "ms": 2013282421151.0928 }, "end": { "local": "2033-10-20T02:29:55+03:00", "utc": "2033-10-19T23:29:55Z", "ms": 2013377394605.766 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-19T00:07:01+03:00", "utc": "2033-10-18T21:07:01Z", "ms": 2013282421151.0928 }, "end": { "local": "2033-10-20T02:29:55+03:00", "utc": "2033-10-19T23:29:55Z", "ms": 2013377394605.766 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-10-18", "window": { "start": { "local": "2033-10-18T17:21:13+03:00", "utc": "2033-10-18T14:21:13Z", "ms": 2013258073132.988 }, "end": { "local": "2033-10-18T19:11:37+03:00", "utc": "2033-10-18T16:11:37Z", "ms": 2013264696812.7166 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "2033-10-19", "window": { "start": { "local": "2033-10-19T17:18:48+03:00", "utc": "2033-10-19T14:18:48Z", "ms": 2013344327965.7654 }, "end": { "local": "2033-10-19T19:09:48+03:00", "utc": "2033-10-19T16:09:48Z", "ms": 2013350987522.7808 } }, "covered_min": 111, "window_min": 111, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:07 on Wed 19 Oct to 02:30 on Thu 20 Oct.", "fact": "2033-10-18T21:07:01Z → 2033-10-19T23:29:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:21–19:12 on the 18th, 17:19–19:10 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 0 of 110 minutes on the 18th and 111 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 17724 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Moscow, 2033: Wednesday 19 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": "2033-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-19", "confidence": "determinate" } ], "quote": "In Moscow, Govatsa Dvādaśī (Vasu Baras) 2033 falls on Wednesday 19 October. Dvādaśī runs from 00:07 on Wed 19 Oct to 02:30 on Thu 20 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26407, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-10-20T02:29:55+03:00", "utc": "2033-10-19T23:29:55Z", "ms": 2013377394605.766 }, "end": { "local": "2033-10-21T05:06:49+03:00", "utc": "2033-10-21T02:06:49Z", "ms": 2013473208916.5618 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-20T02:29:55+03:00", "utc": "2033-10-19T23:29:55Z", "ms": 2013377394605.766 }, "end": { "local": "2033-10-21T05:06:49+03:00", "utc": "2033-10-21T02:06:49Z", "ms": 2013473208916.5618 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-10-19", "window": { "start": { "local": "2033-10-19T17:18:48+03:00", "utc": "2033-10-19T14:18:48Z", "ms": 2013344327965.7654 }, "end": { "local": "2033-10-19T19:09:48+03:00", "utc": "2033-10-19T16:09:48Z", "ms": 2013350987522.7808 } }, "covered_min": 0, "window_min": 111, "qualifies": false }, { "local_date": "2033-10-20", "window": { "start": { "local": "2033-10-20T17:16:24+03:00", "utc": "2033-10-20T14:16:24Z", "ms": 2013430583758.4485 }, "end": { "local": "2033-10-20T19:07:59+03:00", "utc": "2033-10-20T16:07:59Z", "ms": 2013437279108.4216 } }, "covered_min": 112, "window_min": 112, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:30 on Thu 20 Oct to 05:07 on Fri 21 Oct.", "fact": "2033-10-19T23:29:55Z → 2033-10-21T02:06:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:19–19:10 on the 19th, 17:16–19:08 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 111 minutes on the 19th and 112 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 26407 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Moscow, 2033: Thursday 20 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": "2033-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-20", "confidence": "determinate" } ], "quote": "In Moscow, Yama Dīpadāna 2033 falls on Thursday 20 October. Trayodaśī runs from 02:30 on Thu 20 Oct to 05:07 on Fri 21 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/pradosha-vrata?on=2033-10-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26407, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-10-20T02:29:55+03:00", "utc": "2033-10-19T23:29:55Z", "ms": 2013377394605.766 }, "end": { "local": "2033-10-21T05:06:49+03:00", "utc": "2033-10-21T02:06:49Z", "ms": 2013473208916.5618 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-20T02:29:55+03:00", "utc": "2033-10-19T23:29:55Z", "ms": 2013377394605.766 }, "end": { "local": "2033-10-21T05:06:49+03:00", "utc": "2033-10-21T02:06:49Z", "ms": 2013473208916.5618 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-10-19", "window": { "start": { "local": "2033-10-19T17:18:48+03:00", "utc": "2033-10-19T14:18:48Z", "ms": 2013344327965.7654 }, "end": { "local": "2033-10-19T19:09:48+03:00", "utc": "2033-10-19T16:09:48Z", "ms": 2013350987522.7808 } }, "covered_min": 0, "window_min": 111, "qualifies": false }, { "local_date": "2033-10-20", "window": { "start": { "local": "2033-10-20T17:16:24+03:00", "utc": "2033-10-20T14:16:24Z", "ms": 2013430583758.4485 }, "end": { "local": "2033-10-20T19:07:59+03:00", "utc": "2033-10-20T16:07:59Z", "ms": 2013437279108.4216 } }, "covered_min": 112, "window_min": 112, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:30 on Thu 20 Oct to 05:07 on Fri 21 Oct.", "fact": "2033-10-19T23:29:55Z → 2033-10-21T02:06:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:19–19:10 on the 19th, 17:16–19:08 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 111 minutes on the 19th and 112 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 26407 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2033: Thursday 20 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": "2033-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-20", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2033 falls on Thursday 20 October. Trayodaśī runs from 02:30 on Thu 20 Oct to 05:07 on Fri 21 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-10-20", "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/2033/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 895, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2033-10-21T05:06:49+03:00", "utc": "2033-10-21T02:06:49Z", "ms": 2013473208916.5618 }, "end": { "local": "2033-10-22T07:48:54+03:00", "utc": "2033-10-22T04:48:54Z", "ms": 2013569334057.6802 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-21T05:06:49+03:00", "utc": "2033-10-21T02:06:49Z", "ms": 2013473208916.5618 }, "end": { "local": "2033-10-22T07:48:54+03:00", "utc": "2033-10-22T04:48:54Z", "ms": 2013569334057.6802 } }, "kaala": "arunodaya", "days": [ { "local_date": "2033-10-21", "window": { "start": { "local": "2033-10-21T05:21:44+03:00", "utc": "2033-10-21T02:21:44Z", "ms": 2013474103533.274 }, "end": { "local": "2033-10-21T07:13:19+03:00", "utc": "2033-10-21T04:13:19Z", "ms": 2013480798883.247 } }, "covered_min": 112, "window_min": 112, "qualifies": true }, { "local_date": "2033-10-22", "window": { "start": { "local": "2033-10-22T05:23:12+03:00", "utc": "2033-10-22T02:23:12Z", "ms": 2013560592385.0688 }, "end": { "local": "2033-10-22T07:15:23+03:00", "utc": "2033-10-22T04:15:23Z", "ms": 2013567323436.6274 } }, "covered_min": 112, "window_min": 112, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:07 on Fri 21 Oct to 07:49 on Sat 22 Oct.", "fact": "2033-10-21T02:06:49Z → 2033-10-22T04:48:54Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:22–07:13 on the 21st, 05:23–07:15 on the 22nd.", "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 112 of 112 minutes on the 21st and 112 of 112 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both dawns qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 895 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Moscow, 2033: Friday 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": "2033-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-21", "confidence": "determinate" } ], "quote": "In Moscow, Naraka Caturdaśī (Choti Diwali) 2033 falls on Friday 21 October. Caturdaśī runs from 05:07 on Fri 21 Oct to 07:49 on Sat 22 Oct and covers all of aruṇodaya that dawn. It also reaches the next dawn for 112 minutes; by the rule the first dawn is taken.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/shivaratri?on=2033-10-21", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16078, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2033-10-21T05:06:49+03:00", "utc": "2033-10-21T02:06:49Z", "ms": 2013473208916.5618 }, "end": { "local": "2033-10-22T07:48:54+03:00", "utc": "2033-10-22T04:48:54Z", "ms": 2013569334057.6802 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-21T05:06:49+03:00", "utc": "2033-10-21T02:06:49Z", "ms": 2013473208916.5618 }, "end": { "local": "2033-10-22T07:48:54+03:00", "utc": "2033-10-22T04:48:54Z", "ms": 2013569334057.6802 } }, "kaala": "nishita", "days": [ { "local_date": "2033-10-20", "window": { "start": { "local": "2033-10-20T23:50:51+03:00", "utc": "2033-10-20T20:50:51Z", "ms": 2013454251320.8477 }, "end": { "local": "2033-10-21T00:38:51+03:00", "utc": "2033-10-20T21:38:51Z", "ms": 2013457131320.8477 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-10-21", "window": { "start": { "local": "2033-10-21T23:50:42+03:00", "utc": "2033-10-21T20:50:42Z", "ms": 2013540641993.2827 }, "end": { "local": "2033-10-22T00:38:42+03:00", "utc": "2033-10-21T21:38:42Z", "ms": 2013543521993.2827 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:07 on Fri 21 Oct to 07:49 on Sat 22 Oct.", "fact": "2033-10-21T02:06:49Z → 2033-10-22T04:48:54Z" }, { "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 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 16078 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2033: Friday 21 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": "2033-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-21", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2033 falls on Friday 21 October. Caturdaśī runs from 05:07 on Fri 21 Oct to 07:49 on Sat 22 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2033/shivaratri?on=2033-10-21", "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/2033/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24050, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2033-10-22T07:48:54+03:00", "utc": "2033-10-22T04:48:54Z", "ms": 2013569334057.6802 }, "end": { "local": "2033-10-23T10:28:27+03:00", "utc": "2033-10-23T07:28:27Z", "ms": 2013665306973.04 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-22T07:48:54+03:00", "utc": "2033-10-22T04:48:54Z", "ms": 2013569334057.6802 }, "end": { "local": "2033-10-23T10:28:27+03:00", "utc": "2033-10-23T07:28:27Z", "ms": 2013665306973.04 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-10-22", "window": { "start": { "local": "2033-10-22T17:11:38+03:00", "utc": "2033-10-22T14:11:38Z", "ms": 2013603098379.8625 }, "end": { "local": "2033-10-22T19:04:25+03:00", "utc": "2033-10-22T16:04:25Z", "ms": 2013609865034.2075 } }, "covered_min": 113, "window_min": 113, "qualifies": true }, { "local_date": "2033-10-23", "window": { "start": { "local": "2033-10-23T17:09:17+03:00", "utc": "2033-10-23T14:09:17Z", "ms": 2013689357288.6936 }, "end": { "local": "2033-10-23T19:02:39+03:00", "utc": "2033-10-23T16:02:39Z", "ms": 2013696159439.1958 } }, "covered_min": 0, "window_min": 113, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 07:49 on Sat 22 Oct to 10:28 on Sun 23 Oct.", "fact": "2033-10-22T04:48:54Z → 2033-10-23T07:28:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:12–19:04 on the 22nd, 17:09–19:03 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 113 of 113 minutes on the 22nd and 0 of 113 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24050 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Moscow, 2033: Saturday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2033-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-22", "confidence": "determinate" } ], "quote": "In Moscow, Lakṣmī Pūjā (Diwali) 2033 falls on Saturday 22 October. Amāvasyā runs from 07:49 on Sat 22 Oct to 10:28 on Sun 23 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25812, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2033-10-22T07:48:54+03:00", "utc": "2033-10-22T04:48:54Z", "ms": 2013569334057.6802 }, "end": { "local": "2033-10-23T10:28:27+03:00", "utc": "2033-10-23T07:28:27Z", "ms": 2013665306973.04 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-22T07:48:54+03:00", "utc": "2033-10-22T04:48:54Z", "ms": 2013569334057.6802 }, "end": { "local": "2033-10-23T10:28:27+03:00", "utc": "2033-10-23T07:28:27Z", "ms": 2013665306973.04 } }, "kaala": "nishita", "days": [ { "local_date": "2033-10-21", "window": { "start": { "local": "2033-10-21T23:50:42+03:00", "utc": "2033-10-21T20:50:42Z", "ms": 2013540641993.2827 }, "end": { "local": "2033-10-22T00:38:42+03:00", "utc": "2033-10-21T21:38:42Z", "ms": 2013543521993.2827 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-10-22", "window": { "start": { "local": "2033-10-22T23:50:33+03:00", "utc": "2033-10-22T20:50:33Z", "ms": 2013627033333.6562 }, "end": { "local": "2033-10-23T00:38:33+03:00", "utc": "2033-10-22T21:38:33Z", "ms": 2013629913333.6562 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 07:49 on Sat 22 Oct to 10:28 on Sun 23 Oct.", "fact": "2033-10-22T04:48:54Z → 2033-10-23T07:28:27Z" }, { "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 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25812 s" }, { "step": "ruling", "text": "Kālī Pūjā, Moscow, 2033: Saturday 22 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": "2033-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-22", "confidence": "determinate" } ], "quote": "In Moscow, Kālī Pūjā 2033 falls on Saturday 22 October. Amāvasyā runs from 07:49 on Sat 22 Oct to 10:28 on Sun 23 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1300, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2033-10-23T10:28:27+03:00", "utc": "2033-10-23T07:28:27Z", "ms": 2013665306973.04 }, "end": { "local": "2033-10-24T12:58:55+03:00", "utc": "2033-10-24T09:58:55Z", "ms": 2013760735243.4014 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-23T10:28:27+03:00", "utc": "2033-10-23T07:28:27Z", "ms": 2013665306973.04 }, "end": { "local": "2033-10-24T12:58:55+03:00", "utc": "2033-10-24T09:58:55Z", "ms": 2013760735243.4014 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-10-23", "window": { "start": { "local": "2033-10-23T11:49:23+03:00", "utc": "2033-10-23T08:49:23Z", "ms": 2013670162788.0718 }, "end": { "local": "2033-10-23T12:37:23+03:00", "utc": "2033-10-23T09:37:23Z", "ms": 2013673042788.0718 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-10-24", "window": { "start": { "local": "2033-10-24T11:49:15+03:00", "utc": "2033-10-24T08:49:15Z", "ms": 2013756555367.6575 }, "end": { "local": "2033-10-24T12:37:15+03:00", "utc": "2033-10-24T09:37:15Z", "ms": 2013759435367.6575 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 10:28 on Sun 23 Oct to 12:59 on Mon 24 Oct.", "fact": "2033-10-23T07:28:27Z → 2033-10-24T09:58:55Z" }, { "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": "Pratipadā must be present during madhyāhna. It covers 48 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": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 1300 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Moscow, 2033: Sunday 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": "2033-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-23", "confidence": "determinate" } ], "quote": "In Moscow, Govardhana Pūjā 2033 falls on Sunday 23 October. Pratipadā runs from 10:28 on Sun 23 Oct to 12:59 on Mon 24 Oct and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14882, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2033-10-23T10:28:27+03:00", "utc": "2033-10-23T07:28:27Z", "ms": 2013665306973.04 }, "end": { "local": "2033-10-24T12:58:55+03:00", "utc": "2033-10-24T09:58:55Z", "ms": 2013760735243.4014 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-23T10:28:27+03:00", "utc": "2033-10-23T07:28:27Z", "ms": 2013665306973.04 }, "end": { "local": "2033-10-24T12:58:55+03:00", "utc": "2033-10-24T09:58:55Z", "ms": 2013760735243.4014 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-10-23", "window": { "start": { "local": "2033-10-23T17:09:17+03:00", "utc": "2033-10-23T14:09:17Z", "ms": 2013689357288.6936 }, "end": { "local": "2033-10-23T19:02:39+03:00", "utc": "2033-10-23T16:02:39Z", "ms": 2013696159439.1958 } }, "covered_min": 113, "window_min": 113, "qualifies": true }, { "local_date": "2033-10-24", "window": { "start": { "local": "2033-10-24T17:06:57+03:00", "utc": "2033-10-24T14:06:57Z", "ms": 2013775617317.854 }, "end": { "local": "2033-10-24T19:00:55+03:00", "utc": "2033-10-24T16:00:55Z", "ms": 2013782454849.637 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 10:28 on Sun 23 Oct to 12:59 on Mon 24 Oct.", "fact": "2033-10-23T07:28:27Z → 2033-10-24T09:58:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:09–19:03 on the 23rd, 17:07–19:01 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 113 of 113 minutes on the 23rd and 0 of 114 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14882 s" }, { "step": "ruling", "text": "Bali Pūjā, Moscow, 2033: Sunday 23 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2033-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-23", "confidence": "determinate" } ], "quote": "In Moscow, Bali Pūjā 2033 falls on Sunday 23 October. Pratipadā runs from 10:28 on Sun 23 Oct to 12:59 on Mon 24 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-24", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 378, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2033-10-23T10:28:27+03:00", "utc": "2033-10-23T07:28:27Z", "ms": 2013665306973.04 }, "end": { "local": "2033-10-24T12:58:55+03:00", "utc": "2033-10-24T09:58:55Z", "ms": 2013760735243.4014 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-23T10:28:27+03:00", "utc": "2033-10-23T07:28:27Z", "ms": 2013665306973.04 }, "end": { "local": "2033-10-24T12:58:55+03:00", "utc": "2033-10-24T09:58:55Z", "ms": 2013760735243.4014 } }, "kaala": "purvahna", "days": [ { "local_date": "2033-10-23", "window": { "start": { "local": "2033-10-23T07:17:28+03:00", "utc": "2033-10-23T04:17:28Z", "ms": 2013653848287.45 }, "end": { "local": "2033-10-23T10:34:45+03:00", "utc": "2033-10-23T07:34:45Z", "ms": 2013665684621.1978 } }, "covered_min": 6, "window_min": 197, "qualifies": true }, { "local_date": "2033-10-24", "window": { "start": { "local": "2033-10-24T07:19:33+03:00", "utc": "2033-10-24T04:19:33Z", "ms": 2013740373417.461 }, "end": { "local": "2033-10-24T10:35:21+03:00", "utc": "2033-10-24T07:35:21Z", "ms": 2013752121384.2585 } }, "covered_min": 196, "window_min": 196, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 10:28 on Sun 23 Oct to 12:59 on Mon 24 Oct.", "fact": "2033-10-23T07:28:27Z → 2033-10-24T09:58:55Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:17–10:35 on the 23rd, 07:20–10:35 on the 24th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 6 of 197 minutes on the 23rd and 196 of 196 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 378 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Moscow, 2033: Monday 24 October.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "2033-10-24", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-24", "confidence": "boundary" } ], "quote": "In Moscow, Dyūta Pratipad 2033 falls on Monday 24 October. Pratipadā runs from 10:28 on Sun 23 Oct to 12:59 on Mon 24 Oct and covers all of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 6 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/2033/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/2033/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1300, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2033-10-24T12:58:55+03:00", "utc": "2033-10-24T09:58:55Z", "ms": 2013760735243.4014 }, "end": { "local": "2033-10-25T15:14:41+03:00", "utc": "2033-10-25T12:14:41Z", "ms": 2013855281468.242 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-24T12:58:55+03:00", "utc": "2033-10-24T09:58:55Z", "ms": 2013760735243.4014 }, "end": { "local": "2033-10-25T15:14:41+03:00", "utc": "2033-10-25T12:14:41Z", "ms": 2013855281468.242 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-10-24", "window": { "start": { "local": "2033-10-24T11:49:15+03:00", "utc": "2033-10-24T08:49:15Z", "ms": 2013756555367.6575 }, "end": { "local": "2033-10-24T12:37:15+03:00", "utc": "2033-10-24T09:37:15Z", "ms": 2013759435367.6575 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-10-25", "window": { "start": { "local": "2033-10-25T11:49:09+03:00", "utc": "2033-10-25T08:49:09Z", "ms": 2013842948658.0137 }, "end": { "local": "2033-10-25T12:37:09+03:00", "utc": "2033-10-25T09:37:09Z", "ms": 2013845828658.0137 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 12:59 on Mon 24 Oct to 15:15 on Tue 25 Oct.", "fact": "2033-10-24T09:58:55Z → 2033-10-25T12:14:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 24th, 11:49–12:37 on the 25th.", "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 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1300 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Moscow, 2033: Tuesday 25 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": "2033-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-24", "confidence": "determinate" } ], "quote": "In Moscow, Yama Dvitīyā (Bhai Dooj) 2033 falls on Tuesday 25 October. Dvitīyā runs from 12:59 on Mon 24 Oct to 15:15 on Tue 25 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16418, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-10-26T17:10:41+03:00", "utc": "2033-10-26T14:10:41Z", "ms": 2013948640786.9048 }, "end": { "local": "2033-10-27T18:42:04+03:00", "utc": "2033-10-27T15:42:04Z", "ms": 2014040523748.6362 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-26T17:10:41+03:00", "utc": "2033-10-26T14:10:41Z", "ms": 2013948640786.9048 }, "end": { "local": "2033-10-27T18:42:04+03:00", "utc": "2033-10-27T15:42:04Z", "ms": 2014040523748.6362 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-10-26", "window": { "start": { "local": "2033-10-26T11:49:03+03:00", "utc": "2033-10-26T08:49:03Z", "ms": 2013929342669.63 }, "end": { "local": "2033-10-26T12:37:03+03:00", "utc": "2033-10-26T09:37:03Z", "ms": 2013932222669.63 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-10-27", "window": { "start": { "local": "2033-10-27T11:48:57+03:00", "utc": "2033-10-27T08:48:57Z", "ms": 2014015737412.5403 }, "end": { "local": "2033-10-27T12:36:57+03:00", "utc": "2033-10-27T09:36:57Z", "ms": 2014018617412.5403 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:11 on Wed 26 Oct to 18:42 on Thu 27 Oct.", "fact": "2033-10-26T14:10:41Z → 2033-10-27T15:42:04Z" }, { "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 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16418 s" }, { "step": "ruling", "text": "Nāga Caturthī, Moscow, 2033: Thursday 27 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": "2033-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-27", "confidence": "determinate" } ], "quote": "In Moscow, Nāga Caturthī 2033 falls on Thursday 27 October. Caturthī runs from 17:11 on Wed 26 Oct to 18:42 on Thu 27 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/vinayaka-chaturthi?on=2033-10-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16418, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-10-26T17:10:41+03:00", "utc": "2033-10-26T14:10:41Z", "ms": 2013948640786.9048 }, "end": { "local": "2033-10-27T18:42:04+03:00", "utc": "2033-10-27T15:42:04Z", "ms": 2014040523748.6362 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-26T17:10:41+03:00", "utc": "2033-10-26T14:10:41Z", "ms": 2013948640786.9048 }, "end": { "local": "2033-10-27T18:42:04+03:00", "utc": "2033-10-27T15:42:04Z", "ms": 2014040523748.6362 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-10-26", "window": { "start": { "local": "2033-10-26T11:49:03+03:00", "utc": "2033-10-26T08:49:03Z", "ms": 2013929342669.63 }, "end": { "local": "2033-10-26T12:37:03+03:00", "utc": "2033-10-26T09:37:03Z", "ms": 2013932222669.63 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-10-27", "window": { "start": { "local": "2033-10-27T11:48:57+03:00", "utc": "2033-10-27T08:48:57Z", "ms": 2014015737412.5403 }, "end": { "local": "2033-10-27T12:36:57+03:00", "utc": "2033-10-27T09:36:57Z", "ms": 2014018617412.5403 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:11 on Wed 26 Oct to 18:42 on Thu 27 Oct.", "fact": "2033-10-26T14:10:41Z → 2033-10-27T15:42:04Z" }, { "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 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 midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16418 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2033: Thursday 27 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": "2033-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-27", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2033 falls on Thursday 27 October. Caturthī runs from 17:11 on Wed 26 Oct to 18:42 on Thu 27 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/vinayaka-chaturthi?on=2033-10-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25640, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2033-10-28T19:44:13+03:00", "utc": "2033-10-28T16:44:13Z", "ms": 2014130653003.272 }, "end": { "local": "2033-10-29T20:12:56+03:00", "utc": "2033-10-29T17:12:56Z", "ms": 2014218776461.6838 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-28T19:44:13+03:00", "utc": "2033-10-28T16:44:13Z", "ms": 2014130653003.272 }, "end": { "local": "2033-10-29T20:12:56+03:00", "utc": "2033-10-29T17:12:56Z", "ms": 2014218776461.6838 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-10-28", "window": { "start": { "local": "2033-10-28T11:48:53+03:00", "utc": "2033-10-28T08:48:53Z", "ms": 2014102132896.383 }, "end": { "local": "2033-10-28T12:36:53+03:00", "utc": "2033-10-28T09:36:53Z", "ms": 2014105012896.383 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-10-29", "window": { "start": { "local": "2033-10-29T11:48:49+03:00", "utc": "2033-10-29T08:48:49Z", "ms": 2014188529130.4783 }, "end": { "local": "2033-10-29T12:36:49+03:00", "utc": "2033-10-29T09:36:49Z", "ms": 2014191409130.4783 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:44 on Fri 28 Oct to 20:13 on Sat 29 Oct.", "fact": "2033-10-28T16:44:13Z → 2033-10-29T17:12:56Z" }, { "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 0 of 48 minutes on the 28th and 48 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25640 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Moscow, 2033: Saturday 29 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": "2033-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-29", "confidence": "determinate" } ], "quote": "In Moscow, Sūrya Ṣaṣṭhī (Chhath) 2033 falls on Saturday 29 October. Ṣaṣṭhī runs from 19:44 on Fri 28 Oct to 20:13 on Sat 29 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24080, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2033-10-30T20:04:53+03:00", "utc": "2033-10-30T17:04:53Z", "ms": 2014304693279.8843 }, "end": { "local": "2033-10-31T19:18:04+03:00", "utc": "2033-10-31T16:18:04Z", "ms": 2014388284364.055 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-30T20:04:53+03:00", "utc": "2033-10-30T17:04:53Z", "ms": 2014304693279.8843 }, "end": { "local": "2033-10-31T19:18:04+03:00", "utc": "2033-10-31T16:18:04Z", "ms": 2014388284364.055 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-10-30", "window": { "start": { "local": "2033-10-30T11:48:46+03:00", "utc": "2033-10-30T08:48:46Z", "ms": 2014274926123.924 }, "end": { "local": "2033-10-30T12:36:46+03:00", "utc": "2033-10-30T09:36:46Z", "ms": 2014277806123.924 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-10-31", "window": { "start": { "local": "2033-10-31T11:48:44+03:00", "utc": "2033-10-31T08:48:44Z", "ms": 2014361323885.7222 }, "end": { "local": "2033-10-31T12:36:44+03:00", "utc": "2033-10-31T09:36:44Z", "ms": 2014364203885.7222 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 20:05 on Sun 30 Oct to 19:18 on Mon 31 Oct.", "fact": "2033-10-30T17:04:53Z → 2033-10-31T16:18:04Z" }, { "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 0 of 48 minutes on the 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24080 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Moscow, 2033: Monday 31 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": "2033-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-10-31", "confidence": "determinate" } ], "quote": "In Moscow, Gopāṣṭamī 2033 falls on Monday 31 October. Aṣṭamī runs from 20:05 on Sun 30 Oct to 19:18 on Mon 31 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25903, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2033-10-31T19:18:04+03:00", "utc": "2033-10-31T16:18:04Z", "ms": 2014388284364.055 }, "end": { "local": "2033-11-01T17:52:18+03:00", "utc": "2033-11-01T14:52:18Z", "ms": 2014469537980.5476 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-31T19:18:04+03:00", "utc": "2033-10-31T16:18:04Z", "ms": 2014388284364.055 }, "end": { "local": "2033-11-01T17:52:18+03:00", "utc": "2033-11-01T14:52:18Z", "ms": 2014469537980.5476 } }, "kaala": "purvahna", "days": [ { "local_date": "2033-10-31", "window": { "start": { "local": "2033-10-31T07:34:15+03:00", "utc": "2033-10-31T04:34:15Z", "ms": 2014346055145.5098 }, "end": { "local": "2033-10-31T10:39:54+03:00", "utc": "2033-10-31T07:39:54Z", "ms": 2014357194305.6514 } }, "covered_min": 0, "window_min": 186, "qualifies": false }, { "local_date": "2033-11-01", "window": { "start": { "local": "2033-11-01T07:36:22+03:00", "utc": "2033-11-01T04:36:22Z", "ms": 2014432581587.015 }, "end": { "local": "2033-11-01T10:40:35+03:00", "utc": "2033-11-01T07:40:35Z", "ms": 2014443635478.9575 } }, "covered_min": 184, "window_min": 184, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 19:18 on Mon 31 Oct to 17:52 on Tue 1 Nov.", "fact": "2033-10-31T16:18:04Z → 2033-11-01T14:52:18Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:34–10:40 on the 31st, 07:36–10:41 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 186 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 25903 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Moscow, 2033: Tuesday 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": "2033-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-11-01", "confidence": "determinate" } ], "quote": "In Moscow, Akṣaya Navamī (Amla Navami) 2033 falls on Tuesday 1 November. Navamī runs from 19:18 on Mon 31 Oct to 17:52 on Tue 1 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18936, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2033-10-31T19:18:04+03:00", "utc": "2033-10-31T16:18:04Z", "ms": 2014388284364.055 }, "end": { "local": "2033-11-01T17:52:18+03:00", "utc": "2033-11-01T14:52:18Z", "ms": 2014469537980.5476 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-10-31T19:18:04+03:00", "utc": "2033-10-31T16:18:04Z", "ms": 2014388284364.055 }, "end": { "local": "2033-11-01T17:52:18+03:00", "utc": "2033-11-01T14:52:18Z", "ms": 2014469537980.5476 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-10-31", "window": { "start": { "local": "2033-10-31T11:48:44+03:00", "utc": "2033-10-31T08:48:44Z", "ms": 2014361323885.7222 }, "end": { "local": "2033-10-31T12:36:44+03:00", "utc": "2033-10-31T09:36:44Z", "ms": 2014364203885.7222 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-11-01", "window": { "start": { "local": "2033-11-01T11:48:42+03:00", "utc": "2033-11-01T08:48:42Z", "ms": 2014447722424.9287 }, "end": { "local": "2033-11-01T12:36:42+03:00", "utc": "2033-11-01T09:36:42Z", "ms": 2014450602424.9287 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 19:18 on Mon 31 Oct to 17:52 on Tue 1 Nov.", "fact": "2033-10-31T16:18:04Z → 2033-11-01T14:52:18Z" }, { "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 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18936 s" }, { "step": "ruling", "text": "Durgā Navamī, Moscow, 2033: Tuesday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2033-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-11-01", "confidence": "determinate" } ], "quote": "In Moscow, Durgā Navamī 2033 falls on Tuesday 1 November. Navamī runs from 19:18 on Mon 31 Oct to 17:52 on Tue 1 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ekadashi?on=2033-11-03", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19959, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-11-02T15:49:24+03:00", "utc": "2033-11-02T12:49:24Z", "ms": 2014548563795.3271 }, "end": { "local": "2033-11-03T13:13:14+03:00", "utc": "2033-11-03T10:13:14Z", "ms": 2014625593501.1643 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-11-02T15:49:24+03:00", "utc": "2033-11-02T12:49:24Z", "ms": 2014548563795.3271 }, "end": { "local": "2033-11-03T13:13:14+03:00", "utc": "2033-11-03T10:13:14Z", "ms": 2014625593501.1643 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-11-02", "window": { "start": { "local": "2033-11-02T07:38:28+03:00", "utc": "2033-11-02T04:38:28Z", "ms": 2014519108046.4836 }, "end": { "local": "2033-11-02T07:38:28+03:00", "utc": "2033-11-02T04:38:28Z", "ms": 2014519108046.4836 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-11-03", "window": { "start": { "local": "2033-11-03T07:40:34+03:00", "utc": "2033-11-03T04:40:34Z", "ms": 2014605634486.4424 }, "end": { "local": "2033-11-03T07:40:34+03:00", "utc": "2033-11-03T04:40:34Z", "ms": 2014605634486.4424 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:49 on Wed 2 Nov to 13:13 on Thu 3 Nov.", "fact": "2033-11-02T12:49:24Z → 2033-11-03T10:13:14Z" }, { "step": "kaala", "text": "Sunrise is at 07:38 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 19959 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Moscow, 2033: Thursday 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": "2033-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-11-03", "confidence": "determinate" } ], "quote": "In Moscow, Prabodhinī Ekādaśī 2033 falls on Thursday 3 November. Ekādaśī runs from 15:49 on Wed 2 Nov to 13:13 on Thu 3 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-11-03", "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/2033/pradosha-vrata?on=2033-11-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23594, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-11-04T10:09:30+03:00", "utc": "2033-11-04T07:09:30Z", "ms": 2014700970489.8193 }, "end": { "local": "2033-11-05T06:45:33+03:00", "utc": "2033-11-05T03:45:33Z", "ms": 2014775133050.8203 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-11-04T10:09:30+03:00", "utc": "2033-11-04T07:09:30Z", "ms": 2014700970489.8193 }, "end": { "local": "2033-11-05T06:45:33+03:00", "utc": "2033-11-05T03:45:33Z", "ms": 2014775133050.8203 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-11-04", "window": { "start": { "local": "2033-11-04T16:42:45+03:00", "utc": "2033-11-04T13:42:45Z", "ms": 2014724564735.2266 }, "end": { "local": "2033-11-04T18:43:01+03:00", "utc": "2033-11-04T15:43:01Z", "ms": 2014731781057.8936 } }, "covered_min": 120, "window_min": 120, "qualifies": true }, { "local_date": "2033-11-05", "window": { "start": { "local": "2033-11-05T16:40:42+03:00", "utc": "2033-11-05T13:40:42Z", "ms": 2014810841941.4177 }, "end": { "local": "2033-11-05T18:41:31+03:00", "utc": "2033-11-05T15:41:31Z", "ms": 2014818091456.7173 } }, "covered_min": 0, "window_min": 121, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:10 on Fri 4 Nov to 06:46 on Sat 5 Nov.", "fact": "2033-11-04T07:09:30Z → 2033-11-05T03:45:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:43–18:43 on the 4th, 16:41–18:42 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 23594 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2033: Friday 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": "2033-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-11-04", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2033 falls on Friday 4 November. Trayodaśī runs from 10:10 on Fri 4 Nov to 06:46 on Sat 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-11-04", "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/2033/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31132, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2033-11-06T03:09:55+03:00", "utc": "2033-11-06T00:09:55Z", "ms": 2014848595201.5005 }, "end": { "local": "2033-11-06T23:32:07+03:00", "utc": "2033-11-06T20:32:07Z", "ms": 2014921927401.623 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-11-06T03:09:55+03:00", "utc": "2033-11-06T00:09:55Z", "ms": 2014848595201.5005 }, "end": { "local": "2033-11-06T23:32:07+03:00", "utc": "2033-11-06T20:32:07Z", "ms": 2014921927401.623 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-11-06", "window": { "start": { "local": "2033-11-06T11:48:47+03:00", "utc": "2033-11-06T08:48:47Z", "ms": 2014879727123.0425 }, "end": { "local": "2033-11-06T12:36:47+03:00", "utc": "2033-11-06T09:36:47Z", "ms": 2014882607123.0425 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-11-07", "window": { "start": { "local": "2033-11-07T11:48:51+03:00", "utc": "2033-11-07T08:48:51Z", "ms": 2014966130537.1543 }, "end": { "local": "2033-11-07T12:36:51+03:00", "utc": "2033-11-07T09:36:51Z", "ms": 2014969010537.1543 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:10 on Sun 6 Nov to 23:32 on Sun 6 Nov.", "fact": "2033-11-06T00:09:55Z → 2033-11-06T20:32:07Z" }, { "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 31132 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Moscow, 2033: Sunday 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": "2033-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-11-06", "confidence": "determinate" } ], "quote": "In Moscow, Kārtikī Pūrṇimā 2033 falls on Sunday 6 November. Pūrṇimā runs from 03:10 on Sun 6 Nov to 23:32 on Sun 6 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1063, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2033-11-06T03:09:55+03:00", "utc": "2033-11-06T00:09:55Z", "ms": 2014848595201.5005 }, "end": { "local": "2033-11-06T23:32:07+03:00", "utc": "2033-11-06T20:32:07Z", "ms": 2014921927401.623 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2033-11-06T03:09:55+03:00", "utc": "2033-11-06T00:09:55Z", "ms": 2014848595201.5005 }, "end": { "local": "2033-11-06T23:32:07+03:00", "utc": "2033-11-06T20:32:07Z", "ms": 2014921927401.623 } }, "kaala": "nishita", "days": [ { "local_date": "2033-11-05", "window": { "start": { "local": "2033-11-05T23:49:48+03:00", "utc": "2033-11-05T20:49:48Z", "ms": 2014836587623.791 }, "end": { "local": "2033-11-06T00:37:48+03:00", "utc": "2033-11-05T21:37:48Z", "ms": 2014839467623.791 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-11-06", "window": { "start": { "local": "2033-11-06T23:49:50+03:00", "utc": "2033-11-06T20:49:50Z", "ms": 2014922990110.1626 }, "end": { "local": "2033-11-07T00:37:50+03:00", "utc": "2033-11-06T21:37:50Z", "ms": 2014925870110.1626 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:10 on Sun 6 Nov to 23:32 on Sun 6 Nov.", "fact": "2033-11-06T00:09:55Z → 2033-11-06T20:32:07Z" }, { "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 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither night qualifies. The rule takes the second day.", "fact": "priority: paraviddha → second-day · margin 1063 s" }, { "step": "ruling", "text": "Rāsayātrā, Moscow, 2033: Sunday 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": "2033-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-11-06", "confidence": "determinate" } ], "quote": "In Moscow, Rāsayātrā 2033 falls on Sunday 6 November. Pūrṇimā runs from 03:10 on Sun 6 Nov to 23:32 on Sun 6 Nov, and reaches niśītha on neither day.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/sankashta-chaturthi?on=2033-11-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17812, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-11-09T14:07:49+03:00", "utc": "2033-11-09T11:07:49Z", "ms": 2015147268892.452 }, "end": { "local": "2033-11-10T12:02:44+03:00", "utc": "2033-11-10T09:02:44Z", "ms": 2015226164371.2483 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-11-09T14:07:49+03:00", "utc": "2033-11-09T11:07:49Z", "ms": 2015147268892.452 }, "end": { "local": "2033-11-10T12:02:44+03:00", "utc": "2033-11-10T09:02:44Z", "ms": 2015226164371.2483 } }, "kaala": "moonrise", "days": [ { "local_date": "2033-11-09", "window": { "start": { "local": "2033-11-09T19:04:41+03:00", "utc": "2033-11-09T16:04:41Z", "ms": 2015165081080.4749 }, "end": { "local": "2033-11-09T19:04:41+03:00", "utc": "2033-11-09T16:04:41Z", "ms": 2015165081080.4749 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-11-10", "window": { "start": { "local": "2033-11-10T20:05:49+03:00", "utc": "2033-11-10T17:05:49Z", "ms": 2015255149283.3015 }, "end": { "local": "2033-11-10T20:05:49+03:00", "utc": "2033-11-10T17:05:49Z", "ms": 2015255149283.3015 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:08 on Wed 9 Nov to 12:03 on Thu 10 Nov.", "fact": "2033-11-09T11:07:49Z → 2033-11-10T09:02:44Z" }, { "step": "kaala", "text": "Moonrise is at 19:05 on the 9th and 20:06 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 17812 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2033: Wednesday 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": "2033-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-11-09", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2033 falls on Wednesday 9 November. Caturthī runs from 14:08 on Wed 9 Nov to 12:03 on Thu 10 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/sankashta-chaturthi?on=2033-11-09", "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/2033/ekadashi?on=2033-11-17", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28985, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-11-16T16:10:41+03:00", "utc": "2033-11-16T13:10:41Z", "ms": 2015759441236.1404 }, "end": { "local": "2033-11-17T18:52:51+03:00", "utc": "2033-11-17T15:52:51Z", "ms": 2015855570988.7844 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-11-16T16:10:41+03:00", "utc": "2033-11-16T13:10:41Z", "ms": 2015759441236.1404 }, "end": { "local": "2033-11-17T18:52:51+03:00", "utc": "2033-11-17T15:52:51Z", "ms": 2015855570988.7844 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-11-16", "window": { "start": { "local": "2033-11-16T08:07:36+03:00", "utc": "2033-11-16T05:07:36Z", "ms": 2015730456263.143 }, "end": { "local": "2033-11-16T08:07:36+03:00", "utc": "2033-11-16T05:07:36Z", "ms": 2015730456263.143 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-11-17", "window": { "start": { "local": "2033-11-17T08:09:37+03:00", "utc": "2033-11-17T05:09:37Z", "ms": 2015816977278.868 }, "end": { "local": "2033-11-17T08:09:37+03:00", "utc": "2033-11-17T05:09:37Z", "ms": 2015816977278.868 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:11 on Wed 16 Nov to 18:53 on Thu 17 Nov.", "fact": "2033-11-16T13:10:41Z → 2033-11-17T15:52:51Z" }, { "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 not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28985 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Moscow, 2033: Thursday 17 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": "2033-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-11-17", "confidence": "determinate" } ], "quote": "In Moscow, Utpannā Ekādaśī 2033 falls on Thursday 17 November. Ekādaśī runs from 16:11 on Wed 16 Nov to 18:53 on Thu 17 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-11-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/pradosha-vrata?on=2033-11-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11642, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-11-18T21:38:46+03:00", "utc": "2033-11-18T18:38:46Z", "ms": 2015951926146.2437 }, "end": { "local": "2033-11-20T00:16:57+03:00", "utc": "2033-11-19T21:16:57Z", "ms": 2016047817328.9888 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-11-18T21:38:46+03:00", "utc": "2033-11-18T18:38:46Z", "ms": 2015951926146.2437 }, "end": { "local": "2033-11-20T00:16:57+03:00", "utc": "2033-11-19T21:16:57Z", "ms": 2016047817328.9888 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-11-18", "window": { "start": { "local": "2033-11-18T16:17:13+03:00", "utc": "2033-11-18T13:17:13Z", "ms": 2015932632978.128 }, "end": { "local": "2033-11-18T18:24:44+03:00", "utc": "2033-11-18T15:24:44Z", "ms": 2015940284113.6282 } }, "covered_min": 0, "window_min": 128, "qualifies": false }, { "local_date": "2033-11-19", "window": { "start": { "local": "2033-11-19T16:15:41+03:00", "utc": "2033-11-19T13:15:41Z", "ms": 2016018941430.887 }, "end": { "local": "2033-11-19T18:23:41+03:00", "utc": "2033-11-19T15:23:41Z", "ms": 2016026620508.2524 } }, "covered_min": 128, "window_min": 128, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:39 on Fri 18 Nov to 00:17 on Sun 20 Nov.", "fact": "2033-11-18T18:38:46Z → 2033-11-19T21:16:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:17–18:25 on the 18th, 16:16–18:24 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 128 minutes on the 18th and 128 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 11642 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2033: Saturday 19 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": "2033-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-11-19", "confidence": "determinate" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2033 falls on Saturday 19 November. Trayodaśī runs from 21:39 on Fri 18 Nov to 00:17 on Sun 20 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-11-19", "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/2033/shivaratri?on=2033-11-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-11-20", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1361, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2033-11-20T00:16:57+03:00", "utc": "2033-11-19T21:16:57Z", "ms": 2016047817328.9888 }, "end": { "local": "2033-11-21T02:38:52+03:00", "utc": "2033-11-20T23:38:52Z", "ms": 2016142732456.2324 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-11-20T00:16:57+03:00", "utc": "2033-11-19T21:16:57Z", "ms": 2016047817328.9888 }, "end": { "local": "2033-11-21T02:38:52+03:00", "utc": "2033-11-20T23:38:52Z", "ms": 2016142732456.2324 } }, "kaala": "nishita", "days": [ { "local_date": "2033-11-19", "window": { "start": { "local": "2033-11-19T23:51:38+03:00", "utc": "2033-11-19T20:51:38Z", "ms": 2016046297971.0073 }, "end": { "local": "2033-11-20T00:39:38+03:00", "utc": "2033-11-19T21:39:38Z", "ms": 2016049177971.0073 } }, "covered_min": 23, "window_min": 48, "qualifies": true }, { "local_date": "2033-11-20", "window": { "start": { "local": "2033-11-20T23:51:52+03:00", "utc": "2033-11-20T20:51:52Z", "ms": 2016132711992.2317 }, "end": { "local": "2033-11-21T00:39:52+03:00", "utc": "2033-11-20T21:39:52Z", "ms": 2016135591992.2317 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:17 on Sun 20 Nov to 02:39 on Mon 21 Nov.", "fact": "2033-11-19T21:16:57Z → 2033-11-20T23:38:52Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:52–00:40 on the 19th, 23:52–00:40 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 23 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1361 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2033: Sunday 20 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2033-11-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-11-20", "confidence": "boundary" } ], "quote": "In Moscow, Śivarātri 2033 falls on Sunday 20 November. Caturdaśī runs from 00:17 on Sun 20 Nov to 02:39 on Mon 21 Nov and covers all of niśītha that night. It also reaches the previous night for 23 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/moscow/festivals/2033/shivaratri?on=2033-11-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/vinayaka-chaturthi?on=2033-11-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12105, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-11-25T08:10:55+03:00", "utc": "2033-11-25T05:10:55Z", "ms": 2016508254944.8704 }, "end": { "local": "2033-11-26T08:30:53+03:00", "utc": "2033-11-26T05:30:53Z", "ms": 2016595853361.001 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-11-25T08:10:55+03:00", "utc": "2033-11-25T05:10:55Z", "ms": 2016508254944.8704 }, "end": { "local": "2033-11-26T08:30:53+03:00", "utc": "2033-11-26T05:30:53Z", "ms": 2016595853361.001 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-11-25", "window": { "start": { "local": "2033-11-25T11:52:19+03:00", "utc": "2033-11-25T08:52:19Z", "ms": 2016521538706.4111 }, "end": { "local": "2033-11-25T12:40:19+03:00", "utc": "2033-11-25T09:40:19Z", "ms": 2016524418706.4111 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-11-26", "window": { "start": { "local": "2033-11-26T11:52:38+03:00", "utc": "2033-11-26T08:52:38Z", "ms": 2016607958030.2415 }, "end": { "local": "2033-11-26T12:40:38+03:00", "utc": "2033-11-26T09:40:38Z", "ms": 2016610838030.2415 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:11 on Fri 25 Nov to 08:31 on Sat 26 Nov.", "fact": "2033-11-25T05:10:55Z → 2033-11-26T05:30:53Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12105 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2033: Friday 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": "2033-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-11-25", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2033 falls on Friday 25 November. Caturthī runs from 08:11 on Fri 25 Nov to 08:31 on Sat 26 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/vinayaka-chaturthi?on=2033-11-25", "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/2033/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12105, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2033-11-26T08:30:53+03:00", "utc": "2033-11-26T05:30:53Z", "ms": 2016595853361.001 }, "end": { "local": "2033-11-27T08:25:20+03:00", "utc": "2033-11-27T05:25:20Z", "ms": 2016681920250.8926 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-11-26T08:30:53+03:00", "utc": "2033-11-26T05:30:53Z", "ms": 2016595853361.001 }, "end": { "local": "2033-11-27T08:25:20+03:00", "utc": "2033-11-27T05:25:20Z", "ms": 2016681920250.8926 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-11-26", "window": { "start": { "local": "2033-11-26T11:52:38+03:00", "utc": "2033-11-26T08:52:38Z", "ms": 2016607958030.2415 }, "end": { "local": "2033-11-26T12:40:38+03:00", "utc": "2033-11-26T09:40:38Z", "ms": 2016610838030.2415 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-11-27", "window": { "start": { "local": "2033-11-27T11:52:58+03:00", "utc": "2033-11-27T08:52:58Z", "ms": 2016694378077.5488 }, "end": { "local": "2033-11-27T12:40:58+03:00", "utc": "2033-11-27T09:40:58Z", "ms": 2016697258077.5488 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:31 on Sat 26 Nov to 08:25 on Sun 27 Nov.", "fact": "2033-11-26T05:30:53Z → 2033-11-27T05:25:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 26th, 11:53–12:41 on the 27th.", "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 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 12105 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Moscow, 2033: Saturday 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": "2033-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-11-26", "confidence": "determinate" } ], "quote": "In Moscow, Nāga Pañcamī (Mārgaśīrṣa) 2033 falls on Saturday 26 November. Pañcamī runs from 08:31 on Sat 26 Nov to 08:25 on Sun 27 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12458, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2033-11-27T08:25:20+03:00", "utc": "2033-11-27T05:25:20Z", "ms": 2016681920250.8926 }, "end": { "local": "2033-11-28T07:53:37+03:00", "utc": "2033-11-28T04:53:37Z", "ms": 2016766416768.8027 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-11-27T08:25:20+03:00", "utc": "2033-11-27T05:25:20Z", "ms": 2016681920250.8926 }, "end": { "local": "2033-11-28T07:53:37+03:00", "utc": "2033-11-28T04:53:37Z", "ms": 2016766416768.8027 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-11-27", "window": { "start": { "local": "2033-11-27T11:52:58+03:00", "utc": "2033-11-27T08:52:58Z", "ms": 2016694378077.5488 }, "end": { "local": "2033-11-27T12:40:58+03:00", "utc": "2033-11-27T09:40:58Z", "ms": 2016697258077.5488 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-11-28", "window": { "start": { "local": "2033-11-28T11:53:19+03:00", "utc": "2033-11-28T08:53:19Z", "ms": 2016780798828.4937 }, "end": { "local": "2033-11-28T12:41:19+03:00", "utc": "2033-11-28T09:41:19Z", "ms": 2016783678828.4937 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:25 on Sun 27 Nov to 07:54 on Mon 28 Nov.", "fact": "2033-11-27T05:25:20Z → 2033-11-28T04:53:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 27th, 11:53–12:41 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 12458 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Moscow, 2033: Sunday 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": "2033-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-11-27", "confidence": "determinate" } ], "quote": "In Moscow, Campā Ṣaṣṭhī 2033 falls on Sunday 27 November. Ṣaṣṭhī runs from 08:25 on Sun 27 Nov to 07:54 on Mon 28 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12458, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2033-11-27T08:25:20+03:00", "utc": "2033-11-27T05:25:20Z", "ms": 2016681920250.8926 }, "end": { "local": "2033-11-28T07:53:37+03:00", "utc": "2033-11-28T04:53:37Z", "ms": 2016766416768.8027 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-11-27T08:25:20+03:00", "utc": "2033-11-27T05:25:20Z", "ms": 2016681920250.8926 }, "end": { "local": "2033-11-28T07:53:37+03:00", "utc": "2033-11-28T04:53:37Z", "ms": 2016766416768.8027 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-11-27", "window": { "start": { "local": "2033-11-27T11:52:58+03:00", "utc": "2033-11-27T08:52:58Z", "ms": 2016694378077.5488 }, "end": { "local": "2033-11-27T12:40:58+03:00", "utc": "2033-11-27T09:40:58Z", "ms": 2016697258077.5488 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-11-28", "window": { "start": { "local": "2033-11-28T11:53:19+03:00", "utc": "2033-11-28T08:53:19Z", "ms": 2016780798828.4937 }, "end": { "local": "2033-11-28T12:41:19+03:00", "utc": "2033-11-28T09:41:19Z", "ms": 2016783678828.4937 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:25 on Sun 27 Nov to 07:54 on Mon 28 Nov.", "fact": "2033-11-27T05:25:20Z → 2033-11-28T04:53:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 27th, 11:53–12:41 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 12458 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Moscow, 2033: Sunday 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": "2033-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-11-27", "confidence": "determinate" } ], "quote": "In Moscow, Skanda Ṣaṣṭhī 2033 falls on Sunday 27 November. Ṣaṣṭhī runs from 08:25 on Sun 27 Nov to 07:54 on Mon 28 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-11-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14382, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2033-11-28T07:53:37+03:00", "utc": "2033-11-28T04:53:37Z", "ms": 2016766416768.8027 }, "end": { "local": "2033-11-29T06:54:54+03:00", "utc": "2033-11-29T03:54:54Z", "ms": 2016849294357.3174 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-11-28T07:53:37+03:00", "utc": "2033-11-28T04:53:37Z", "ms": 2016766416768.8027 }, "end": { "local": "2033-11-29T06:54:54+03:00", "utc": "2033-11-29T03:54:54Z", "ms": 2016849294357.3174 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-11-28", "window": { "start": { "local": "2033-11-28T11:53:19+03:00", "utc": "2033-11-28T08:53:19Z", "ms": 2016780798828.4937 }, "end": { "local": "2033-11-28T12:41:19+03:00", "utc": "2033-11-28T09:41:19Z", "ms": 2016783678828.4937 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-11-29", "window": { "start": { "local": "2033-11-29T11:53:40+03:00", "utc": "2033-11-29T08:53:40Z", "ms": 2016867220262.7976 }, "end": { "local": "2033-11-29T12:41:40+03:00", "utc": "2033-11-29T09:41:40Z", "ms": 2016870100262.7976 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 07:54 on Mon 28 Nov to 06:55 on Tue 29 Nov.", "fact": "2033-11-28T04:53:37Z → 2033-11-29T03:54:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 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 14382 s" }, { "step": "ruling", "text": "Mitra Saptamī, Moscow, 2033: Monday 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": "2033-11-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-11-28", "confidence": "determinate" } ], "quote": "In Moscow, Mitra Saptamī 2033 falls on Monday 28 November. Saptamī runs from 07:54 on Mon 28 Nov to 06:55 on Tue 29 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/ekadashi?on=2033-12-02", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-12-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26421, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-12-02T01:16:47+03:00", "utc": "2033-12-01T22:16:47Z", "ms": 2017088206774.4197 }, "end": { "local": "2033-12-02T22:36:11+03:00", "utc": "2033-12-02T19:36:11Z", "ms": 2017164971101.7964 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-12-02T01:16:47+03:00", "utc": "2033-12-01T22:16:47Z", "ms": 2017088206774.4197 }, "end": { "local": "2033-12-02T22:36:11+03:00", "utc": "2033-12-02T19:36:11Z", "ms": 2017164971101.7964 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-12-02", "window": { "start": { "local": "2033-12-02T08:37:08+03:00", "utc": "2033-12-02T05:37:08Z", "ms": 2017114627866.3015 }, "end": { "local": "2033-12-02T08:37:08+03:00", "utc": "2033-12-02T05:37:08Z", "ms": 2017114627866.3015 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2033-12-03", "window": { "start": { "local": "2033-12-03T08:38:42+03:00", "utc": "2033-12-03T05:38:42Z", "ms": 2017201122079.3416 }, "end": { "local": "2033-12-03T08:38:42+03:00", "utc": "2033-12-03T05:38:42Z", "ms": 2017201122079.3416 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:17 on Fri 2 Dec to 22:36 on Fri 2 Dec.", "fact": "2033-12-01T22:16:47Z → 2033-12-02T19:36:11Z" }, { "step": "kaala", "text": "Sunrise is at 08:37 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 26421 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Moscow, 2033: Friday 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": "2033-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-12-02", "confidence": "determinate" } ], "quote": "In Moscow, Mokṣadā Ekādaśī 2033 falls on Friday 2 December. Ekādaśī runs from 01:17 on Fri 2 Dec to 22:36 on Fri 2 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-12-02", "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/2033/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24938, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2033-12-02T22:36:11+03:00", "utc": "2033-12-02T19:36:11Z", "ms": 2017164971101.7964 }, "end": { "local": "2033-12-03T19:38:51+03:00", "utc": "2033-12-03T16:38:51Z", "ms": 2017240730844.8123 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-12-02T22:36:11+03:00", "utc": "2033-12-02T19:36:11Z", "ms": 2017164971101.7964 }, "end": { "local": "2033-12-03T19:38:51+03:00", "utc": "2033-12-03T16:38:51Z", "ms": 2017240730844.8123 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-12-02", "window": { "start": { "local": "2033-12-02T11:54:48+03:00", "utc": "2033-12-02T08:54:48Z", "ms": 2017126488460.9766 }, "end": { "local": "2033-12-02T12:42:48+03:00", "utc": "2033-12-02T09:42:48Z", "ms": 2017129368460.9766 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-12-03", "window": { "start": { "local": "2033-12-03T11:55:12+03:00", "utc": "2033-12-03T08:55:12Z", "ms": 2017212912424.4268 }, "end": { "local": "2033-12-03T12:43:12+03:00", "utc": "2033-12-03T09:43:12Z", "ms": 2017215792424.4268 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 22:36 on Fri 2 Dec to 19:39 on Sat 3 Dec.", "fact": "2033-12-02T19:36:11Z → 2033-12-03T16:38:51Z" }, { "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 24938 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Moscow, 2033: Saturday 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": "2033-12-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-12-03", "confidence": "determinate" } ], "quote": "In Moscow, Akhaṇḍa Dvādaśī 2033 falls on Saturday 3 December. Dvādaśī runs from 22:36 on Fri 2 Dec to 19:39 on Sat 3 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/pradosha-vrata?on=2033-12-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1959, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-12-03T19:38:51+03:00", "utc": "2033-12-03T16:38:51Z", "ms": 2017240730844.8123 }, "end": { "local": "2033-12-04T16:31:39+03:00", "utc": "2033-12-04T13:31:39Z", "ms": 2017315899076.8442 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-12-03T19:38:51+03:00", "utc": "2033-12-03T16:38:51Z", "ms": 2017240730844.8123 }, "end": { "local": "2033-12-04T16:31:39+03:00", "utc": "2033-12-04T13:31:39Z", "ms": 2017315899076.8442 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-12-03", "window": { "start": { "local": "2033-12-03T15:59:43+03:00", "utc": "2033-12-03T12:59:43Z", "ms": 2017227582769.5117 }, "end": { "local": "2033-12-03T18:13:07+03:00", "utc": "2033-12-03T15:13:07Z", "ms": 2017235586892.7307 } }, "covered_min": 0, "window_min": 133, "qualifies": false }, { "local_date": "2033-12-04", "window": { "start": { "local": "2033-12-04T15:59:00+03:00", "utc": "2033-12-04T12:59:00Z", "ms": 2017313940246.3447 }, "end": { "local": "2033-12-04T18:12:42+03:00", "utc": "2033-12-04T15:12:42Z", "ms": 2017321961894.2869 } }, "covered_min": 33, "window_min": 134, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:39 on Sat 3 Dec to 16:32 on Sun 4 Dec.", "fact": "2033-12-03T16:38:51Z → 2033-12-04T13:31:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:00–18:13 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 133 minutes on the 3rd and 33 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 1959 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Moscow, 2033: Sunday 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": "2033-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-12-04", "confidence": "determinate" } ], "quote": "In Moscow, Śukla Pradoṣa Vrata 2033 falls on Sunday 4 December. Trayodaśī runs from 19:39 on Sat 3 Dec to 16:32 on Sun 4 Dec and covers 33 of 134 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/pradosha-vrata?on=2033-12-04", "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/2033/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9326, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2033-12-05T13:22:56+03:00", "utc": "2033-12-05T10:22:56Z", "ms": 2017390975599.1575 }, "end": { "local": "2033-12-06T10:22:06+03:00", "utc": "2033-12-06T07:22:06Z", "ms": 2017466526315.5027 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-12-05T13:22:56+03:00", "utc": "2033-12-05T10:22:56Z", "ms": 2017390975599.1575 }, "end": { "local": "2033-12-06T10:22:06+03:00", "utc": "2033-12-06T07:22:06Z", "ms": 2017466526315.5027 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-12-05", "window": { "start": { "local": "2033-12-05T15:58:22+03:00", "utc": "2033-12-05T12:58:22Z", "ms": 2017400301549.9578 }, "end": { "local": "2033-12-05T18:12:20+03:00", "utc": "2033-12-05T15:12:20Z", "ms": 2017408339838.5625 } }, "covered_min": 134, "window_min": 134, "qualifies": true }, { "local_date": "2033-12-06", "window": { "start": { "local": "2033-12-06T15:57:47+03:00", "utc": "2033-12-06T12:57:47Z", "ms": 2017486666741.828 }, "end": { "local": "2033-12-06T18:12:01+03:00", "utc": "2033-12-06T15:12:01Z", "ms": 2017494720765.4436 } }, "covered_min": 0, "window_min": 134, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:23 on Mon 5 Dec to 10:22 on Tue 6 Dec.", "fact": "2033-12-05T10:22:56Z → 2033-12-06T07:22:06Z" }, { "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 9326 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Moscow, 2033: Monday 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": "2033-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-12-05", "confidence": "determinate" } ], "quote": "In Moscow, Dattātreyotpatti (Datta Jayanti) 2033 falls on Monday 5 December. Pūrṇimā runs from 13:23 on Mon 5 Dec to 10:22 on Tue 6 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/moscow/festivals/2033/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/2033/sankashta-chaturthi?on=2033-12-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25045, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-12-09T03:47:43+03:00", "utc": "2033-12-09T00:47:43Z", "ms": 2017702062744.6245 }, "end": { "local": "2033-12-10T02:56:23+03:00", "utc": "2033-12-09T23:56:23Z", "ms": 2017785382666.9512 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-12-09T03:47:43+03:00", "utc": "2033-12-09T00:47:43Z", "ms": 2017702062744.6245 }, "end": { "local": "2033-12-10T02:56:23+03:00", "utc": "2033-12-09T23:56:23Z", "ms": 2017785382666.9512 } }, "kaala": "moonrise", "days": [ { "local_date": "2033-12-08", "window": { "start": { "local": "2033-12-08T18:49:32+03:00", "utc": "2033-12-08T15:49:32Z", "ms": 2017669772476.6438 }, "end": { "local": "2033-12-08T18:49:32+03:00", "utc": "2033-12-08T15:49:32Z", "ms": 2017669772476.6438 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-12-09", "window": { "start": { "local": "2033-12-09T19:58:58+03:00", "utc": "2033-12-09T16:58:58Z", "ms": 2017760337859.571 }, "end": { "local": "2033-12-09T19:58:58+03:00", "utc": "2033-12-09T16:58:58Z", "ms": 2017760337859.571 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:48 on Fri 9 Dec to 02:56 on Sat 10 Dec.", "fact": "2033-12-09T00:47:43Z → 2033-12-09T23:56:23Z" }, { "step": "kaala", "text": "Moonrise is at 18:50 on the 8th and 19:59 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 on the 9th.", "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 25045 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Moscow, 2033: Friday 9 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2033-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-12-09", "confidence": "determinate" } ], "quote": "In Moscow, Saṅkaṣṭa Caturthī 2033 falls on Friday 9 December. Caturthī runs from 03:48 on Fri 9 Dec to 02:56 on Sat 10 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/sankashta-chaturthi?on=2033-12-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/ekadashi?on=2033-12-17", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14990, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-12-16T13:04:24+03:00", "utc": "2033-12-16T10:04:24Z", "ms": 2018340264382.9055 }, "end": { "local": "2033-12-17T15:42:12+03:00", "utc": "2033-12-17T12:42:12Z", "ms": 2018436131834.2307 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-12-16T13:04:24+03:00", "utc": "2033-12-16T10:04:24Z", "ms": 2018340264382.9055 }, "end": { "local": "2033-12-17T15:42:12+03:00", "utc": "2033-12-17T12:42:12Z", "ms": 2018436131834.2307 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-12-16", "window": { "start": { "local": "2033-12-16T08:54:34+03:00", "utc": "2033-12-16T05:54:34Z", "ms": 2018325274219.5505 }, "end": { "local": "2033-12-16T08:54:34+03:00", "utc": "2033-12-16T05:54:34Z", "ms": 2018325274219.5505 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2033-12-17", "window": { "start": { "local": "2033-12-17T08:55:23+03:00", "utc": "2033-12-17T05:55:23Z", "ms": 2018411723248.1743 }, "end": { "local": "2033-12-17T08:55:23+03:00", "utc": "2033-12-17T05:55:23Z", "ms": 2018411723248.1743 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:04 on Fri 16 Dec to 15:42 on Sat 17 Dec.", "fact": "2033-12-16T10:04:24Z → 2033-12-17T12:42:12Z" }, { "step": "kaala", "text": "Sunrise is at 08:55 on the 16th and 08:55 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14990 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Moscow, 2033: Saturday 17 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": "2033-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-12-17", "confidence": "determinate" } ], "quote": "In Moscow, Saphalā Ekādaśī 2033 falls on Saturday 17 December. Ekādaśī runs from 13:04 on Fri 16 Dec to 15:42 on Sat 17 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-12-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/pradosha-vrata?on=2033-12-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-12-19", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 780, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2033-12-18T17:59:14+03:00", "utc": "2033-12-18T14:59:14Z", "ms": 2018530754291.758 }, "end": { "local": "2033-12-19T19:47:25+03:00", "utc": "2033-12-19T16:47:25Z", "ms": 2018623645348.9678 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-12-18T17:59:14+03:00", "utc": "2033-12-18T14:59:14Z", "ms": 2018530754291.758 }, "end": { "local": "2033-12-19T19:47:25+03:00", "utc": "2033-12-19T16:47:25Z", "ms": 2018623645348.9678 } }, "kaala": "pradosha", "days": [ { "local_date": "2033-12-18", "window": { "start": { "local": "2033-12-18T15:56:09+03:00", "utc": "2033-12-18T12:56:09Z", "ms": 2018523369077.623 }, "end": { "local": "2033-12-18T18:12:14+03:00", "utc": "2033-12-18T15:12:14Z", "ms": 2018531534490.3062 } }, "covered_min": 13, "window_min": 136, "qualifies": true }, { "local_date": "2033-12-19", "window": { "start": { "local": "2033-12-19T15:56:28+03:00", "utc": "2033-12-19T12:56:28Z", "ms": 2018609788353.6719 }, "end": { "local": "2033-12-19T18:12:36+03:00", "utc": "2033-12-19T15:12:36Z", "ms": 2018617956166.7844 } }, "covered_min": 136, "window_min": 136, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:59 on Sun 18 Dec to 19:47 on Mon 19 Dec.", "fact": "2033-12-18T14:59:14Z → 2033-12-19T16:47:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 15:56–18:12 on the 18th, 15:56–18:13 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 13 of 136 minutes on the 18th and 136 of 136 on the 19th.", "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 780 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2033: Monday 19 December.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2033-12-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-12-19", "confidence": "boundary" } ], "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2033 falls on Monday 19 December. Trayodaśī runs from 17:59 on Sun 18 Dec to 19:47 on Mon 19 Dec and covers all of pradoṣa that evening. It also reaches the previous evening for 13 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/2033/pradosha-vrata?on=2033-12-19", "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/2033/shivaratri?on=2033-12-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10817, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2033-12-19T19:47:25+03:00", "utc": "2033-12-19T16:47:25Z", "ms": 2018623645348.9678 }, "end": { "local": "2033-12-20T21:03:09+03:00", "utc": "2033-12-20T18:03:09Z", "ms": 2018714588538.6992 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-12-19T19:47:25+03:00", "utc": "2033-12-19T16:47:25Z", "ms": 2018623645348.9678 }, "end": { "local": "2033-12-20T21:03:09+03:00", "utc": "2033-12-20T18:03:09Z", "ms": 2018714588538.6992 } }, "kaala": "nishita", "days": [ { "local_date": "2033-12-19", "window": { "start": { "local": "2033-12-20T00:02:58+03:00", "utc": "2033-12-19T21:02:58Z", "ms": 2018638977652.8442 }, "end": { "local": "2033-12-20T00:50:58+03:00", "utc": "2033-12-19T21:50:58Z", "ms": 2018641857652.8442 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2033-12-20", "window": { "start": { "local": "2033-12-21T00:03:26+03:00", "utc": "2033-12-20T21:03:26Z", "ms": 2018725406027.267 }, "end": { "local": "2033-12-21T00:51:26+03:00", "utc": "2033-12-20T21:51:26Z", "ms": 2018728286027.267 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:47 on Mon 19 Dec to 21:03 on Tue 20 Dec.", "fact": "2033-12-19T16:47:25Z → 2033-12-20T18:03:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:03–00:51 on the 19th, 00:03–00:51 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10817 s" }, { "step": "ruling", "text": "Śivarātri, Moscow, 2033: Monday 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": "2033-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-12-19", "confidence": "determinate" } ], "quote": "In Moscow, Śivarātri 2033 falls on Monday 19 December. Caturdaśī runs from 19:47 on Mon 19 Dec to 21:03 on Tue 20 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/moscow/festivals/2033/shivaratri?on=2033-12-19", "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/2033/vinayaka-chaturthi?on=2033-12-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26860, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2033-12-24T21:13:48+03:00", "utc": "2033-12-24T18:13:48Z", "ms": 2019060827548.5208 }, "end": { "local": "2033-12-25T20:21:22+03:00", "utc": "2033-12-25T17:21:22Z", "ms": 2019144082142.6104 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-12-24T21:13:48+03:00", "utc": "2033-12-24T18:13:48Z", "ms": 2019060827548.5208 }, "end": { "local": "2033-12-25T20:21:22+03:00", "utc": "2033-12-25T17:21:22Z", "ms": 2019144082142.6104 } }, "kaala": "madhyahna", "days": [ { "local_date": "2033-12-24", "window": { "start": { "local": "2033-12-24T12:05:11+03:00", "utc": "2033-12-24T09:05:11Z", "ms": 2019027911392.6484 }, "end": { "local": "2033-12-24T12:53:11+03:00", "utc": "2033-12-24T09:53:11Z", "ms": 2019030791392.6484 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2033-12-25", "window": { "start": { "local": "2033-12-25T12:05:42+03:00", "utc": "2033-12-25T09:05:42Z", "ms": 2019114341807.9434 }, "end": { "local": "2033-12-25T12:53:42+03:00", "utc": "2033-12-25T09:53:42Z", "ms": 2019117221807.9434 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:14 on Sat 24 Dec to 20:21 on Sun 25 Dec.", "fact": "2033-12-24T18:13:48Z → 2033-12-25T17:21:22Z" }, { "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 26860 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Moscow, 2033: Sunday 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": "2033-12-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-12-25", "confidence": "determinate" } ], "quote": "In Moscow, Vināyaka Caturthī 2033 falls on Sunday 25 December. Caturthī runs from 21:14 on Sat 24 Dec to 20:21 on Sun 25 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/moscow/festivals/2033/vinayaka-chaturthi?on=2033-12-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/moscow/festivals/2033/ekadashi?on=2033-12-31", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "524901", "year": 2033, "local_date": "2033-12-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3954, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2033-12-31T10:05:39+03:00", "utc": "2033-12-31T07:05:39Z", "ms": 2019625538822.956 }, "end": { "local": "2034-01-01T07:43:00+03:00", "utc": "2034-01-01T04:43:00Z", "ms": 2019703380060.268 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2033-12-31T10:05:39+03:00", "utc": "2033-12-31T07:05:39Z", "ms": 2019625538822.956 }, "end": { "local": "2034-01-01T07:43:00+03:00", "utc": "2034-01-01T04:43:00Z", "ms": 2019703380060.268 } }, "kaala": "sunrise", "days": [ { "local_date": "2033-12-31", "window": { "start": { "local": "2033-12-31T08:59:45+03:00", "utc": "2033-12-31T05:59:45Z", "ms": 2019621584814.3608 }, "end": { "local": "2033-12-31T08:59:45+03:00", "utc": "2033-12-31T05:59:45Z", "ms": 2019621584814.3608 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2034-01-01", "window": { "start": { "local": "2034-01-01T08:59:32+03:00", "utc": "2034-01-01T05:59:32Z", "ms": 2019707972300.1023 }, "end": { "local": "2034-01-01T08:59:32+03:00", "utc": "2034-01-01T05:59:32Z", "ms": 2019707972300.1023 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:06 on Sat 31 Dec to 07:43 on Sun 1 Jan.", "fact": "2033-12-31T07:05:39Z → 2034-01-01T04:43:00Z" }, { "step": "kaala", "text": "Sunrise is at 09:00 on the 31st and 09:00 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 31st and is not on the 1st.", "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 3954 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Moscow, 2033: Saturday 31 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": "2033-12-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2033-12-31", "confidence": "determinate" } ], "quote": "In Moscow, Putradā Ekādaśī 2033 falls on Saturday 31 December. Ekādaśī runs from 10:06 on Sat 31 Dec to 07:43 on Sun 1 Jan, and is current at sunrise on neither day.", "cite": "https://ahargana.org/moscow/festivals/2033/ekadashi?on=2033-12-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }