{ "id": "/mashhad/festivals/2080", "place": { "id": "124665", "slug": "mashhad", "name": "Mashhad", "region": "Razavi Khorasan, Iran", "country": "IR", "lat": 36.29807, "lon": 59.60567, "elevation_m": 980, "tz": "Asia/Tehran" }, "year": 2080, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/mashhad/festivals/2080/ekadashi?on=2080-01-03", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-01-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32524, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-01-02T21:41:32+03:30", "utc": "2080-01-02T18:11:32Z", "ms": 3471444691758.9756 }, "end": { "local": "2080-01-03T19:24:18+03:30", "utc": "2080-01-03T15:54:18Z", "ms": 3471522858340.4893 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2080-01-02T21:41:32+03:30", "utc": "2080-01-02T18:11:32Z", "ms": 3471444691758.9756 }, "end": { "local": "2080-01-03T19:24:18+03:30", "utc": "2080-01-03T15:54:18Z", "ms": 3471522858340.4893 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-01-03", "window": { "start": { "local": "2080-01-03T06:43:36+03:30", "utc": "2080-01-03T03:13:36Z", "ms": 3471477215915.125 }, "end": { "local": "2080-01-03T06:43:36+03:30", "utc": "2080-01-03T03:13:36Z", "ms": 3471477215915.125 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-01-04", "window": { "start": { "local": "2080-01-04T06:43:42+03:30", "utc": "2080-01-04T03:13:42Z", "ms": 3471563621872.284 }, "end": { "local": "2080-01-04T06:43:42+03:30", "utc": "2080-01-04T03:13:42Z", "ms": 3471563621872.284 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:42 on Tue 2 Jan to 19:24 on Wed 3 Jan.", "fact": "2080-01-02T18:11:32Z → 2080-01-03T15:54:18Z" }, { "step": "kaala", "text": "Sunrise is at 06:44 on the 3rd and 06:44 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32524 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Mashhad, 2080: Wednesday 3 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-01-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-01-03", "confidence": "determinate" } ], "quote": "In Mashhad, Putradā Ekādaśī 2080 falls on Wednesday 3 January. Ekādaśī runs from 21:42 on Tue 2 Jan to 19:24 on Wed 3 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-01-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/pradosha-vrata?on=2080-01-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-01-04", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 103, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-01-04T16:27:44+03:30", "utc": "2080-01-04T12:57:44Z", "ms": 3471598664130.1733 }, "end": { "local": "2080-01-05T13:00:26+03:30", "utc": "2080-01-05T09:30:26Z", "ms": 3471672625513.4517 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2080-01-04T16:27:44+03:30", "utc": "2080-01-04T12:57:44Z", "ms": 3471598664130.1733 }, "end": { "local": "2080-01-05T13:00:26+03:30", "utc": "2080-01-05T09:30:26Z", "ms": 3471672625513.4517 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-01-04", "window": { "start": { "local": "2080-01-04T16:29:28+03:30", "utc": "2080-01-04T12:59:28Z", "ms": 3471598767548.8135 }, "end": { "local": "2080-01-04T18:23:22+03:30", "utc": "2080-01-04T14:53:22Z", "ms": 3471605601989.029 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "2080-01-05", "window": { "start": { "local": "2080-01-05T16:30:18+03:30", "utc": "2080-01-05T13:00:18Z", "ms": 3471685218080.5474 }, "end": { "local": "2080-01-05T18:24:06+03:30", "utc": "2080-01-05T14:54:06Z", "ms": 3471692046049.435 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:28 on Thu 4 Jan to 13:00 on Fri 5 Jan.", "fact": "2080-01-04T12:57:44Z → 2080-01-05T09:30:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:29–18:23 on the 4th, 16:30–18:24 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 114 of 114 minutes on the 4th and 0 of 114 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 103 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2080: Thursday 4 January.", "fact": "confidence: boundary (margin)" } ], "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": "2080-01-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-01-04", "confidence": "boundary" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2080 falls on Thursday 4 January. Trayodaśī runs from 16:28 on Thu 4 Jan to 13:00 on Fri 5 Jan and covers all of pradoṣa that evening. It is 1 min 43 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-01-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/sankashta-chaturthi?on=2080-01-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-01-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3222, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-01-09T18:31:18+03:30", "utc": "2080-01-09T15:01:18Z", "ms": 3472038077917.8906 }, "end": { "local": "2080-01-10T15:55:36+03:30", "utc": "2080-01-10T12:25:36Z", "ms": 3472115135543.2 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2080-01-09T18:31:18+03:30", "utc": "2080-01-09T15:01:18Z", "ms": 3472038077917.8906 }, "end": { "local": "2080-01-10T15:55:36+03:30", "utc": "2080-01-10T12:25:36Z", "ms": 3472115135543.2 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-01-09", "window": { "start": { "local": "2080-01-09T19:25:00+03:30", "utc": "2080-01-09T15:55:00Z", "ms": 3472041300137.6353 }, "end": { "local": "2080-01-09T19:25:00+03:30", "utc": "2080-01-09T15:55:00Z", "ms": 3472041300137.6353 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-01-10", "window": { "start": { "local": "2080-01-10T20:37:22+03:30", "utc": "2080-01-10T17:07:22Z", "ms": 3472132041890.66 }, "end": { "local": "2080-01-10T20:37:22+03:30", "utc": "2080-01-10T17:07:22Z", "ms": 3472132041890.66 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:31 on Tue 9 Jan to 15:56 on Wed 10 Jan.", "fact": "2080-01-09T15:01:18Z → 2080-01-10T12:25:36Z" }, { "step": "kaala", "text": "Moonrise is at 19:25 on the 9th and 20:37 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 3222 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2080: Tuesday 9 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": "2080-01-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-01-09", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2080 falls on Tuesday 9 January. Caturthī runs from 18:31 on Tue 9 Jan to 15:56 on Wed 10 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/sankashta-chaturthi?on=2080-01-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25917, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2080-01-15T09:27:39+03:30", "utc": "2080-01-15T05:57:39Z", "ms": 3472523858786.0073 }, "end": { "local": "2080-02-13T22:23:21+03:30", "utc": "2080-02-13T18:53:21Z", "ms": 3475076001255.174 } }, "span": { "of": "transit", "start": { "local": "2080-01-15T09:27:39+03:30", "utc": "2080-01-15T05:57:39Z", "ms": 3472523858786.0073 }, "end": { "local": "2080-01-15T09:27:39+03:30", "utc": "2080-01-15T05:57:39Z", "ms": 3472523858786.0073 } }, "kaala": "sunset-day", "days": [ { "local_date": "2080-01-15", "window": { "start": { "local": "2080-01-14T16:38:37+03:30", "utc": "2080-01-14T13:08:37Z", "ms": 3472463316633.6646 }, "end": { "local": "2080-01-15T16:39:36+03:30", "utc": "2080-01-15T13:09:36Z", "ms": 3472549776061.5703 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2080-01-16", "window": { "start": { "local": "2080-01-15T16:39:36+03:30", "utc": "2080-01-15T13:09:36Z", "ms": 3472549776061.5703 }, "end": { "local": "2080-01-16T16:40:36+03:30", "utc": "2080-01-16T13:10:36Z", "ms": 3472636236119.9053 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2080-01-15", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 09:28 on Mon 15 Jan.", "fact": "2080-01-15T05:57:39Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 15th ends at 16:40, and the day of the 16th ends at 16:41.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 25917 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Monday 15 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Mashhad, 2080: Sunday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2080-01-14", "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": "2080-01-14", "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 Mashhad, Bhogi 2080 falls on Sunday 14 January. It is kept the day before Pongal, which falls on Monday 15 January. The Sun enters Makara at 09:28 on Mon 15 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25917, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2080-01-15T09:27:39+03:30", "utc": "2080-01-15T05:57:39Z", "ms": 3472523858786.0073 }, "end": { "local": "2080-02-13T22:23:21+03:30", "utc": "2080-02-13T18:53:21Z", "ms": 3475076001255.174 } }, "span": { "of": "transit", "start": { "local": "2080-01-15T09:27:39+03:30", "utc": "2080-01-15T05:57:39Z", "ms": 3472523858786.0073 }, "end": { "local": "2080-01-15T09:27:39+03:30", "utc": "2080-01-15T05:57:39Z", "ms": 3472523858786.0073 } }, "kaala": "sunset-day", "days": [ { "local_date": "2080-01-15", "window": { "start": { "local": "2080-01-14T16:38:37+03:30", "utc": "2080-01-14T13:08:37Z", "ms": 3472463316633.6646 }, "end": { "local": "2080-01-15T16:39:36+03:30", "utc": "2080-01-15T13:09:36Z", "ms": 3472549776061.5703 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2080-01-16", "window": { "start": { "local": "2080-01-15T16:39:36+03:30", "utc": "2080-01-15T13:09:36Z", "ms": 3472549776061.5703 }, "end": { "local": "2080-01-16T16:40:36+03:30", "utc": "2080-01-16T13:10:36Z", "ms": 3472636236119.9053 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 09:28 on Mon 15 Jan.", "fact": "2080-01-15T05:57:39Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 15th ends at 16:40, and the day of the 16th ends at 16:41.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 25917 s" }, { "step": "ruling", "text": "Pongal, Mashhad, 2080: Monday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2080-01-15", "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": "2080-01-15", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Mashhad, Pongal 2080 falls on Monday 15 January. The Sun enters Makara at 09:28 on Mon 15 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34059, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2080-01-15T09:27:39+03:30", "utc": "2080-01-15T05:57:39Z", "ms": 3472523858786.0073 }, "end": { "local": "2080-02-13T22:23:21+03:30", "utc": "2080-02-13T18:53:21Z", "ms": 3475076001255.174 } }, "span": { "of": "transit", "start": { "local": "2080-01-15T09:27:39+03:30", "utc": "2080-01-15T05:57:39Z", "ms": 3472523858786.0073 }, "end": { "local": "2080-01-15T09:27:39+03:30", "utc": "2080-01-15T05:57:39Z", "ms": 3472523858786.0073 } }, "kaala": "civil-day", "days": [ { "local_date": "2080-01-14", "window": { "start": { "local": "2080-01-14T00:00:00+03:30", "utc": "2080-01-13T20:30:00Z", "ms": 3472403400000 }, "end": { "local": "2080-01-15T00:00:00+03:30", "utc": "2080-01-14T20:30:00Z", "ms": 3472489800000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "2080-01-15", "window": { "start": { "local": "2080-01-15T00:00:00+03:30", "utc": "2080-01-14T20:30:00Z", "ms": 3472489800000 }, "end": { "local": "2080-01-16T00:00:00+03:30", "utc": "2080-01-15T20:30:00Z", "ms": 3472576200000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 09:28 on Mon 15 Jan.", "fact": "2080-01-15T05:57:39Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Mashhad.", "fact": "civil-day: midnight-to-midnight · Asia/Tehran" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 15th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 34059 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Mashhad, 2080: Monday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2080-01-15", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "2080-01-15", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Mashhad, Makara Saṅkrānti 2080 falls on Monday 15 January. The Sun enters Makara at 09:28 on Mon 15 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25917, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "2080-01-15T09:27:39+03:30", "utc": "2080-01-15T05:57:39Z", "ms": 3472523858786.0073 }, "end": { "local": "2080-02-13T22:23:21+03:30", "utc": "2080-02-13T18:53:21Z", "ms": 3475076001255.174 } }, "span": { "of": "transit", "start": { "local": "2080-01-15T09:27:39+03:30", "utc": "2080-01-15T05:57:39Z", "ms": 3472523858786.0073 }, "end": { "local": "2080-01-15T09:27:39+03:30", "utc": "2080-01-15T05:57:39Z", "ms": 3472523858786.0073 } }, "kaala": "sunset-day", "days": [ { "local_date": "2080-01-15", "window": { "start": { "local": "2080-01-14T16:38:37+03:30", "utc": "2080-01-14T13:08:37Z", "ms": 3472463316633.6646 }, "end": { "local": "2080-01-15T16:39:36+03:30", "utc": "2080-01-15T13:09:36Z", "ms": 3472549776061.5703 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "2080-01-16", "window": { "start": { "local": "2080-01-15T16:39:36+03:30", "utc": "2080-01-15T13:09:36Z", "ms": 3472549776061.5703 }, "end": { "local": "2080-01-16T16:40:36+03:30", "utc": "2080-01-16T13:10:36Z", "ms": 3472636236119.9053 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "2080-01-15", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 09:28 on Mon 15 Jan.", "fact": "2080-01-15T05:57:39Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 15th ends at 16:40, and the day of the 16th ends at 16:41.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 25917 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Monday 15 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Mashhad, 2080: Tuesday 16 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-01-16", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2080-01-16", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "2080-01-16", "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 Mashhad, Mattu Pongal 2080 falls on Tuesday 16 January. It is kept the day after Pongal, which falls on Monday 15 January. The Sun enters Makara at 09:28 on Mon 15 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ekadashi?on=2080-01-17", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-01-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37103, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-01-16T17:00:42+03:30", "utc": "2080-01-16T13:30:42Z", "ms": 3472637442047.736 }, "end": { "local": "2080-01-17T19:21:38+03:30", "utc": "2080-01-17T15:51:38Z", "ms": 3472732298309.49 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2080-01-16T17:00:42+03:30", "utc": "2080-01-16T13:30:42Z", "ms": 3472637442047.736 }, "end": { "local": "2080-01-17T19:21:38+03:30", "utc": "2080-01-17T15:51:38Z", "ms": 3472732298309.49 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-01-16", "window": { "start": { "local": "2080-01-16T06:42:19+03:30", "utc": "2080-01-16T03:12:19Z", "ms": 3472600339336.0107 }, "end": { "local": "2080-01-16T06:42:19+03:30", "utc": "2080-01-16T03:12:19Z", "ms": 3472600339336.0107 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-01-17", "window": { "start": { "local": "2080-01-17T06:42:00+03:30", "utc": "2080-01-17T03:12:00Z", "ms": 3472686719755.7637 }, "end": { "local": "2080-01-17T06:42:00+03:30", "utc": "2080-01-17T03:12:00Z", "ms": 3472686719755.7637 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:01 on Tue 16 Jan to 19:22 on Wed 17 Jan.", "fact": "2080-01-16T13:30:42Z → 2080-01-17T15:51:38Z" }, { "step": "kaala", "text": "Sunrise is at 06:42 on the 16th and 06:42 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 37103 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Mashhad, 2080: Wednesday 17 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": "2080-01-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-01-17", "confidence": "determinate" } ], "quote": "In Mashhad, Ṣaṭtilā Ekādaśī 2080 falls on Wednesday 17 January. Ekādaśī runs from 17:01 on Tue 16 Jan to 19:22 on Wed 17 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-01-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/pradosha-vrata?on=2080-01-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12007, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-01-18T21:54:33+03:30", "utc": "2080-01-18T18:24:33Z", "ms": 3472827873463.836 }, "end": { "local": "2080-01-20T00:30:30+03:30", "utc": "2080-01-19T21:00:30Z", "ms": 3472923629676.38 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2080-01-18T21:54:33+03:30", "utc": "2080-01-18T18:24:33Z", "ms": 3472827873463.836 }, "end": { "local": "2080-01-20T00:30:30+03:30", "utc": "2080-01-19T21:00:30Z", "ms": 3472923629676.38 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-01-18", "window": { "start": { "local": "2080-01-18T16:42:38+03:30", "utc": "2080-01-18T13:12:38Z", "ms": 3472809157929.5723 }, "end": { "local": "2080-01-18T18:34:27+03:30", "utc": "2080-01-18T15:04:27Z", "ms": 3472815866853.681 } }, "covered_min": 0, "window_min": 112, "qualifies": false }, { "local_date": "2080-01-19", "window": { "start": { "local": "2080-01-19T16:43:40+03:30", "utc": "2080-01-19T13:13:40Z", "ms": 3472895619582.428 }, "end": { "local": "2080-01-19T18:35:17+03:30", "utc": "2080-01-19T15:05:17Z", "ms": 3472902316914.267 } }, "covered_min": 112, "window_min": 112, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:55 on Thu 18 Jan to 00:30 on Sat 20 Jan.", "fact": "2080-01-18T18:24:33Z → 2080-01-19T21:00:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:43–18:34 on the 18th, 16:44–18:35 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 112 minutes on the 18th and 112 of 112 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 12007 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2080: Friday 19 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": "2080-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-01-19", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2080 falls on Friday 19 January. Trayodaśī runs from 21:55 on Thu 18 Jan to 00:30 on Sat 20 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-01-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6371, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2080-01-20T00:30:30+03:30", "utc": "2080-01-19T21:00:30Z", "ms": 3472923629676.38 }, "end": { "local": "2080-01-21T03:02:46+03:30", "utc": "2080-01-20T23:32:46Z", "ms": 3473019166385.6494 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2080-01-20T00:30:30+03:30", "utc": "2080-01-19T21:00:30Z", "ms": 3472923629676.38 }, "end": { "local": "2080-01-21T03:02:46+03:30", "utc": "2080-01-20T23:32:46Z", "ms": 3473019166385.6494 } }, "kaala": "arunodaya", "days": [ { "local_date": "2080-01-20", "window": { "start": { "local": "2080-01-20T04:49:12+03:30", "utc": "2080-01-20T01:19:12Z", "ms": 3472939152239.38 }, "end": { "local": "2080-01-20T06:40:50+03:30", "utc": "2080-01-20T03:10:50Z", "ms": 3472945849571.2188 } }, "covered_min": 112, "window_min": 112, "qualifies": true }, { "local_date": "2080-01-21", "window": { "start": { "local": "2080-01-21T04:48:57+03:30", "utc": "2080-01-21T01:18:57Z", "ms": 3473025536975.1963 }, "end": { "local": "2080-01-21T06:40:22+03:30", "utc": "2080-01-21T03:10:22Z", "ms": 3473032222406.897 } }, "covered_min": 0, "window_min": 111, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:30 on Sat 20 Jan to 03:03 on Sun 21 Jan.", "fact": "2080-01-19T21:00:30Z → 2080-01-20T23:32:46Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:49–06:41 on the 20th, 04:49–06:40 on the 21st.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 112 of 112 minutes on the 20th and 0 of 111 on the 21st.", "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 6371 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Mashhad, 2080: Saturday 20 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": "2080-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-01-20", "confidence": "determinate" } ], "quote": "In Mashhad, Yama Tarpaṇa 2080 falls on Saturday 20 January. Caturdaśī runs from 00:30 on Sat 20 Jan to 03:03 on Sun 21 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/shivaratri?on=2080-01-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1455, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2080-01-20T00:30:30+03:30", "utc": "2080-01-19T21:00:30Z", "ms": 3472923629676.38 }, "end": { "local": "2080-01-21T03:02:46+03:30", "utc": "2080-01-20T23:32:46Z", "ms": 3473019166385.6494 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2080-01-20T00:30:30+03:30", "utc": "2080-01-19T21:00:30Z", "ms": 3472923629676.38 }, "end": { "local": "2080-01-21T03:02:46+03:30", "utc": "2080-01-20T23:32:46Z", "ms": 3473019166385.6494 } }, "kaala": "nishita", "days": [ { "local_date": "2080-01-19", "window": { "start": { "local": "2080-01-19T23:18:15+03:30", "utc": "2080-01-19T19:48:15Z", "ms": 3472919294576.823 }, "end": { "local": "2080-01-20T00:06:15+03:30", "utc": "2080-01-19T20:36:15Z", "ms": 3472922174576.823 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-01-20", "window": { "start": { "local": "2080-01-20T23:18:32+03:30", "utc": "2080-01-20T19:48:32Z", "ms": 3473005712038.019 }, "end": { "local": "2080-01-21T00:06:32+03:30", "utc": "2080-01-20T20:36:32Z", "ms": 3473008592038.019 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:30 on Sat 20 Jan to 03:03 on Sun 21 Jan.", "fact": "2080-01-19T21:00:30Z → 2080-01-20T23:32:46Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:18–00:06 on the 19th, 23:19–00:07 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 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1455 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2080: Saturday 20 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": "2080-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-01-20", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2080 falls on Saturday 20 January. Caturdaśī runs from 00:30 on Sat 20 Jan to 03:03 on Sun 21 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2080/shivaratri?on=2080-01-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-01-25", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 107, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-01-25T11:18:19+03:30", "utc": "2080-01-25T07:48:19Z", "ms": 3473394499221.2246 }, "end": { "local": "2080-01-26T12:37:11+03:30", "utc": "2080-01-26T09:07:11Z", "ms": 3473485631338.5933 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2080-01-25T11:18:19+03:30", "utc": "2080-01-25T07:48:19Z", "ms": 3473394499221.2246 }, "end": { "local": "2080-01-26T12:37:11+03:30", "utc": "2080-01-26T09:07:11Z", "ms": 3473485631338.5933 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-01-25", "window": { "start": { "local": "2080-01-25T11:20:06+03:30", "utc": "2080-01-25T07:50:06Z", "ms": 3473394606152.1597 }, "end": { "local": "2080-01-25T12:08:06+03:30", "utc": "2080-01-25T08:38:06Z", "ms": 3473397486152.1597 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-01-26", "window": { "start": { "local": "2080-01-26T11:20:20+03:30", "utc": "2080-01-26T07:50:20Z", "ms": 3473481019873.7754 }, "end": { "local": "2080-01-26T12:08:20+03:30", "utc": "2080-01-26T08:38:20Z", "ms": 3473483899873.7754 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:18 on Thu 25 Jan to 12:37 on Fri 26 Jan.", "fact": "2080-01-25T07:48:19Z → 2080-01-26T09:07:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:20–12:08 on the 25th, 11:20–12:08 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 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 107 s < 300 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Mashhad, 2080: Thursday 25 January.", "fact": "confidence: boundary (margin)" } ], "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": "2080-01-25", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-01-25", "confidence": "determinate" } ], "quote": "In Mashhad, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2080 falls on Thursday 25 January. Caturthī runs from 11:18 on Thu 25 Jan to 12:37 on Fri 26 Jan and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken. It is 1 min 47 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15229, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-01-25T11:18:19+03:30", "utc": "2080-01-25T07:48:19Z", "ms": 3473394499221.2246 }, "end": { "local": "2080-01-26T12:37:11+03:30", "utc": "2080-01-26T09:07:11Z", "ms": 3473485631338.5933 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2080-01-25T11:18:19+03:30", "utc": "2080-01-25T07:48:19Z", "ms": 3473394499221.2246 }, "end": { "local": "2080-01-26T12:37:11+03:30", "utc": "2080-01-26T09:07:11Z", "ms": 3473485631338.5933 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-01-25", "window": { "start": { "local": "2080-01-25T16:49:57+03:30", "utc": "2080-01-25T13:19:57Z", "ms": 3473414396973.925 }, "end": { "local": "2080-01-25T18:40:19+03:30", "utc": "2080-01-25T15:10:19Z", "ms": 3473421018584.025 } }, "covered_min": 110, "window_min": 110, "qualifies": true }, { "local_date": "2080-01-26", "window": { "start": { "local": "2080-01-26T16:51:01+03:30", "utc": "2080-01-26T13:21:01Z", "ms": 3473500860697.8745 }, "end": { "local": "2080-01-26T18:41:09+03:30", "utc": "2080-01-26T15:11:09Z", "ms": 3473507468738.9517 } }, "covered_min": 0, "window_min": 110, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:18 on Thu 25 Jan to 12:37 on Fri 26 Jan.", "fact": "2080-01-25T07:48:19Z → 2080-01-26T09:07:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:50–18:40 on the 25th, 16:51–18:41 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 110 of 110 minutes on the 25th and 0 of 110 on the 26th.", "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 15229 s" }, { "step": "ruling", "text": "Tila Caturthī, Mashhad, 2080: Thursday 25 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-01-25", "confidence": "determinate" } ], "quote": "In Mashhad, Tila Caturthī 2080 falls on Thursday 25 January. Caturthī runs from 11:18 on Thu 25 Jan to 12:37 on Fri 26 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1731, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2080-01-26T12:37:11+03:30", "utc": "2080-01-26T09:07:11Z", "ms": 3473485631338.5933 }, "end": { "local": "2080-01-27T13:29:10+03:30", "utc": "2080-01-27T09:59:10Z", "ms": 3473575149718.7446 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2080-01-26T12:37:11+03:30", "utc": "2080-01-26T09:07:11Z", "ms": 3473485631338.5933 }, "end": { "local": "2080-01-27T13:29:10+03:30", "utc": "2080-01-27T09:59:10Z", "ms": 3473575149718.7446 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-01-26", "window": { "start": { "local": "2080-01-26T11:20:20+03:30", "utc": "2080-01-26T07:50:20Z", "ms": 3473481019873.7754 }, "end": { "local": "2080-01-26T12:08:20+03:30", "utc": "2080-01-26T08:38:20Z", "ms": 3473483899873.7754 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-01-27", "window": { "start": { "local": "2080-01-27T11:20:33+03:30", "utc": "2080-01-27T07:50:33Z", "ms": 3473567432775.843 }, "end": { "local": "2080-01-27T12:08:33+03:30", "utc": "2080-01-27T08:38:33Z", "ms": 3473570312775.843 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 12:37 on Fri 26 Jan to 13:29 on Sat 27 Jan.", "fact": "2080-01-26T09:07:11Z → 2080-01-27T09:59:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:20–12:08 on the 26th, 11:21–12:09 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 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1731 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Mashhad, 2080: Saturday 27 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-01-26", "confidence": "determinate" } ], "quote": "In Mashhad, Śrī Pañcamī 2080 falls on Saturday 27 January. Pañcamī runs from 12:37 on Fri 26 Jan to 13:29 on Sat 27 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1731, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2080-01-26T12:37:11+03:30", "utc": "2080-01-26T09:07:11Z", "ms": 3473485631338.5933 }, "end": { "local": "2080-01-27T13:29:10+03:30", "utc": "2080-01-27T09:59:10Z", "ms": 3473575149718.7446 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2080-01-26T12:37:11+03:30", "utc": "2080-01-26T09:07:11Z", "ms": 3473485631338.5933 }, "end": { "local": "2080-01-27T13:29:10+03:30", "utc": "2080-01-27T09:59:10Z", "ms": 3473575149718.7446 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-01-26", "window": { "start": { "local": "2080-01-26T11:20:20+03:30", "utc": "2080-01-26T07:50:20Z", "ms": 3473481019873.7754 }, "end": { "local": "2080-01-26T12:08:20+03:30", "utc": "2080-01-26T08:38:20Z", "ms": 3473483899873.7754 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-01-27", "window": { "start": { "local": "2080-01-27T11:20:33+03:30", "utc": "2080-01-27T07:50:33Z", "ms": 3473567432775.843 }, "end": { "local": "2080-01-27T12:08:33+03:30", "utc": "2080-01-27T08:38:33Z", "ms": 3473570312775.843 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 12:37 on Fri 26 Jan to 13:29 on Sat 27 Jan.", "fact": "2080-01-26T09:07:11Z → 2080-01-27T09:59:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:20–12:08 on the 26th, 11:21–12:09 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 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1731 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Mashhad, 2080: Saturday 27 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-01-27", "confidence": "boundary" } ], "quote": "In Mashhad, Vasanta Pañcamī 2080 falls on Saturday 27 January. Pañcamī runs from 12:37 on Fri 26 Jan to 13:29 on Sat 27 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24955, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2080-01-28T13:48:52+03:30", "utc": "2080-01-28T10:18:52Z", "ms": 3473662731729.661 }, "end": { "local": "2080-01-29T13:31:35+03:30", "utc": "2080-01-29T10:01:35Z", "ms": 3473748095085.957 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2080-01-28T13:48:52+03:30", "utc": "2080-01-28T10:18:52Z", "ms": 3473662731729.661 }, "end": { "local": "2080-01-29T13:31:35+03:30", "utc": "2080-01-29T10:01:35Z", "ms": 3473748095085.957 } }, "kaala": "arunodaya", "days": [ { "local_date": "2080-01-28", "window": { "start": { "local": "2080-01-28T04:46:27+03:30", "utc": "2080-01-28T01:16:27Z", "ms": 3473630186998.8594 }, "end": { "local": "2080-01-28T06:36:21+03:30", "utc": "2080-01-28T03:06:21Z", "ms": 3473636781222.4175 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "2080-01-29", "window": { "start": { "local": "2080-01-29T04:46:00+03:30", "utc": "2080-01-29T01:16:00Z", "ms": 3473716559557.7915 }, "end": { "local": "2080-01-29T06:35:40+03:30", "utc": "2080-01-29T03:05:40Z", "ms": 3473723139723.7236 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:49 on Sun 28 Jan to 13:32 on Mon 29 Jan.", "fact": "2080-01-28T10:18:52Z → 2080-01-29T10:01:35Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:46–06:36 on the 28th, 04:46–06:36 on the 29th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 0 of 110 minutes on the 28th and 110 of 110 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24955 s" }, { "step": "ruling", "text": "Ratha Saptamī, Mashhad, 2080: Monday 29 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-01-29", "confidence": "determinate" } ], "quote": "In Mashhad, Ratha Saptamī 2080 falls on Monday 29 January. Saptamī runs from 13:49 on Sun 28 Jan to 13:32 on Mon 29 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ekadashi?on=2080-02-01", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-02-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2473, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-02-01T08:40:34+03:30", "utc": "2080-02-01T05:10:34Z", "ms": 3473989834284.1553 }, "end": { "local": "2080-02-02T05:51:24+03:30", "utc": "2080-02-02T02:21:24Z", "ms": 3474066084007.5693 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2080-02-01T08:40:34+03:30", "utc": "2080-02-01T05:10:34Z", "ms": 3473989834284.1553 }, "end": { "local": "2080-02-02T05:51:24+03:30", "utc": "2080-02-02T02:21:24Z", "ms": 3474066084007.5693 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-02-01", "window": { "start": { "local": "2080-02-01T06:33:25+03:30", "utc": "2080-02-01T03:03:25Z", "ms": 3473982205206.8896 }, "end": { "local": "2080-02-01T06:33:25+03:30", "utc": "2080-02-01T03:03:25Z", "ms": 3473982205206.8896 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-02-02", "window": { "start": { "local": "2080-02-02T06:32:37+03:30", "utc": "2080-02-02T03:02:37Z", "ms": 3474068557125.9087 }, "end": { "local": "2080-02-02T06:32:37+03:30", "utc": "2080-02-02T03:02:37Z", "ms": 3474068557125.9087 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:41 on Thu 1 Feb to 05:51 on Fri 2 Feb.", "fact": "2080-02-01T05:10:34Z → 2080-02-02T02:21:24Z" }, { "step": "kaala", "text": "Sunrise is at 06:33 on the 1st and 06:33 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is not on the 2nd.", "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 2473 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Mashhad, 2080: Thursday 1 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": "2080-02-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-02-01", "confidence": "determinate" } ], "quote": "In Mashhad, Jayā Ekādaśī 2080 falls on Thursday 1 February. Ekādaśī runs from 08:41 on Thu 1 Feb to 05:51 on Fri 2 Feb, and is current at sunrise on neither day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-02-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19809, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2080-02-02T05:51:24+03:30", "utc": "2080-02-02T02:21:24Z", "ms": 3474066084007.5693 }, "end": { "local": "2080-02-03T02:36:23+03:30", "utc": "2080-02-02T23:06:23Z", "ms": 3474140783020.69 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2080-02-02T05:51:24+03:30", "utc": "2080-02-02T02:21:24Z", "ms": 3474066084007.5693 }, "end": { "local": "2080-02-03T02:36:23+03:30", "utc": "2080-02-02T23:06:23Z", "ms": 3474140783020.69 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-02-02", "window": { "start": { "local": "2080-02-02T11:21:33+03:30", "utc": "2080-02-02T07:51:33Z", "ms": 3474085892681.3135 }, "end": { "local": "2080-02-02T12:09:33+03:30", "utc": "2080-02-02T08:39:33Z", "ms": 3474088772681.3135 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-02-03", "window": { "start": { "local": "2080-02-03T11:21:40+03:30", "utc": "2080-02-03T07:51:40Z", "ms": 3474172299738.914 }, "end": { "local": "2080-02-03T12:09:40+03:30", "utc": "2080-02-03T08:39:40Z", "ms": 3474175179738.914 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:51 on Fri 2 Feb to 02:36 on Sat 3 Feb.", "fact": "2080-02-02T02:21:24Z → 2080-02-02T23:06:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 2nd, 11:22–12:10 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 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19809 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Mashhad, 2080: Friday 2 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": "2080-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-02-02", "confidence": "determinate" } ], "quote": "In Mashhad, Bhīṣma Dvādaśī 2080 falls on Friday 2 February. Dvādaśī runs from 05:51 on Fri 2 Feb to 02:36 on Sat 3 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/pradosha-vrata?on=2080-02-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15415, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-02-03T02:36:23+03:30", "utc": "2080-02-02T23:06:23Z", "ms": 3474140783020.69 }, "end": { "local": "2080-02-03T23:04:38+03:30", "utc": "2080-02-03T19:34:38Z", "ms": 3474214478065.792 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2080-02-03T02:36:23+03:30", "utc": "2080-02-02T23:06:23Z", "ms": 3474140783020.69 }, "end": { "local": "2080-02-03T23:04:38+03:30", "utc": "2080-02-03T19:34:38Z", "ms": 3474214478065.792 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-02-02", "window": { "start": { "local": "2080-02-02T16:58:28+03:30", "utc": "2080-02-02T13:28:28Z", "ms": 3474106108236.7188 }, "end": { "local": "2080-02-02T18:46:55+03:30", "utc": "2080-02-02T15:16:55Z", "ms": 3474112614802.0537 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "2080-02-03", "window": { "start": { "local": "2080-02-03T16:59:32+03:30", "utc": "2080-02-03T13:29:32Z", "ms": 3474192572001.0957 }, "end": { "local": "2080-02-03T18:47:43+03:30", "utc": "2080-02-03T15:17:43Z", "ms": 3474199063239.9663 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:36 on Sat 3 Feb to 23:05 on Sat 3 Feb.", "fact": "2080-02-02T23:06:23Z → 2080-02-03T19:34:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:58–18:47 on the 2nd, 17:00–18:48 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 108 minutes on the 2nd and 108 of 108 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15415 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2080: Saturday 3 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-02-03", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2080 falls on Saturday 3 February. Trayodaśī runs from 02:36 on Sat 3 Feb to 23:05 on Sat 3 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-02-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13380, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2080-02-04T19:26:28+03:30", "utc": "2080-02-04T15:56:28Z", "ms": 3474287787973.3203 }, "end": { "local": "2080-02-05T15:52:52+03:30", "utc": "2080-02-05T12:22:52Z", "ms": 3474361371794.929 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "2080-02-04T19:26:28+03:30", "utc": "2080-02-04T15:56:28Z", "ms": 3474287787973.3203 }, "end": { "local": "2080-02-05T15:52:52+03:30", "utc": "2080-02-05T12:22:52Z", "ms": 3474361371794.929 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-02-04", "window": { "start": { "local": "2080-02-04T11:21:46+03:30", "utc": "2080-02-04T07:51:46Z", "ms": 3474258705970.2744 }, "end": { "local": "2080-02-04T12:09:46+03:30", "utc": "2080-02-04T08:39:46Z", "ms": 3474261585970.2744 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-02-05", "window": { "start": { "local": "2080-02-05T11:21:51+03:30", "utc": "2080-02-05T07:51:51Z", "ms": 3474345111383.4443 }, "end": { "local": "2080-02-05T12:09:51+03:30", "utc": "2080-02-05T08:39:51Z", "ms": 3474347991383.4443 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:26 on Sun 4 Feb to 15:53 on Mon 5 Feb.", "fact": "2080-02-04T15:56:28Z → 2080-02-05T12:22:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 4th, 11:22–12:10 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13380 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Mashhad, 2080: Monday 5 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": "2080-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-02-05", "confidence": "determinate" } ], "quote": "In Mashhad, Māghī Pūrṇimā 2080 falls on Monday 5 February. Pūrṇimā runs from 19:26 on Sun 4 Feb to 15:53 on Mon 5 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/sankashta-chaturthi?on=2080-02-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-02-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33936, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-02-08T07:28:24+03:30", "utc": "2080-02-08T03:58:24Z", "ms": 3474590304201.6084 }, "end": { "local": "2080-02-09T05:57:27+03:30", "utc": "2080-02-09T02:27:27Z", "ms": 3474671246809.653 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2080-02-08T07:28:24+03:30", "utc": "2080-02-08T03:58:24Z", "ms": 3474590304201.6084 }, "end": { "local": "2080-02-09T05:57:27+03:30", "utc": "2080-02-09T02:27:27Z", "ms": 3474671246809.653 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-02-07", "window": { "start": { "local": "2080-02-07T19:23:23+03:30", "utc": "2080-02-07T15:53:23Z", "ms": 3474546802726.4907 }, "end": { "local": "2080-02-07T19:23:23+03:30", "utc": "2080-02-07T15:53:23Z", "ms": 3474546802726.4907 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-02-08", "window": { "start": { "local": "2080-02-08T20:31:51+03:30", "utc": "2080-02-08T17:01:51Z", "ms": 3474637310624.958 }, "end": { "local": "2080-02-08T20:31:51+03:30", "utc": "2080-02-08T17:01:51Z", "ms": 3474637310624.958 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:28 on Thu 8 Feb to 05:57 on Fri 9 Feb.", "fact": "2080-02-08T03:58:24Z → 2080-02-09T02:27:27Z" }, { "step": "kaala", "text": "Moonrise is at 19:23 on the 7th and 20:32 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33936 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2080: Thursday 8 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": "2080-02-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-02-08", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2080 falls on Thursday 8 February. Caturthī runs from 07:28 on Thu 8 Feb to 05:57 on Fri 9 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/sankashta-chaturthi?on=2080-02-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/ekadashi?on=2080-02-16", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-02-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22975, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-02-15T12:42:56+03:30", "utc": "2080-02-15T09:12:56Z", "ms": 3475213976017.175 }, "end": { "local": "2080-02-16T15:18:05+03:30", "utc": "2080-02-16T11:48:05Z", "ms": 3475309684945.816 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2080-02-15T12:42:56+03:30", "utc": "2080-02-15T09:12:56Z", "ms": 3475213976017.175 }, "end": { "local": "2080-02-16T15:18:05+03:30", "utc": "2080-02-16T11:48:05Z", "ms": 3475309684945.816 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-02-15", "window": { "start": { "local": "2080-02-15T06:20:01+03:30", "utc": "2080-02-15T02:50:01Z", "ms": 3475191001497.252 }, "end": { "local": "2080-02-15T06:20:01+03:30", "utc": "2080-02-15T02:50:01Z", "ms": 3475191001497.252 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-02-16", "window": { "start": { "local": "2080-02-16T06:18:54+03:30", "utc": "2080-02-16T02:48:54Z", "ms": 3475277334473.588 }, "end": { "local": "2080-02-16T06:18:54+03:30", "utc": "2080-02-16T02:48:54Z", "ms": 3475277334473.588 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:43 on Thu 15 Feb to 15:18 on Fri 16 Feb.", "fact": "2080-02-15T09:12:56Z → 2080-02-16T11:48:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:20 on the 15th and 06:19 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22975 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Mashhad, 2080: Friday 16 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": "2080-02-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-02-16", "confidence": "determinate" } ], "quote": "In Mashhad, Vijayā Ekādaśī 2080 falls on Friday 16 February. Ekādaśī runs from 12:43 on Thu 15 Feb to 15:18 on Fri 16 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-02-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4583, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2080-02-18T20:05:46+03:30", "utc": "2080-02-18T16:35:46Z", "ms": 3475499745522.87 }, "end": { "local": "2080-02-19T22:04:48+03:30", "utc": "2080-02-19T18:34:48Z", "ms": 3475593288178.8804 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2080-02-18T20:05:46+03:30", "utc": "2080-02-18T16:35:46Z", "ms": 3475499745522.87 }, "end": { "local": "2080-02-19T22:04:48+03:30", "utc": "2080-02-19T18:34:48Z", "ms": 3475593288178.8804 } }, "kaala": "nishita", "days": [ { "local_date": "2080-02-18", "window": { "start": { "local": "2080-02-18T23:21:17+03:30", "utc": "2080-02-18T19:51:17Z", "ms": 3475511476606.3945 }, "end": { "local": "2080-02-19T00:09:17+03:30", "utc": "2080-02-18T20:39:17Z", "ms": 3475514356606.3945 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-02-19", "window": { "start": { "local": "2080-02-19T23:21:11+03:30", "utc": "2080-02-19T19:51:11Z", "ms": 3475597871080.877 }, "end": { "local": "2080-02-20T00:09:11+03:30", "utc": "2080-02-19T20:39:11Z", "ms": 3475600751080.877 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:06 on Sun 18 Feb to 22:05 on Mon 19 Feb.", "fact": "2080-02-18T16:35:46Z → 2080-02-19T18:34:48Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:21–00:09 on the 18th, 23:21–00:09 on the 19th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 4583 s" }, { "step": "ruling", "text": "Mahāśivarātri, Mashhad, 2080: Sunday 18 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": "2080-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-02-18", "confidence": "determinate" } ], "quote": "In Mashhad, Mahāśivarātri 2080 falls on Sunday 18 February. Caturdaśī runs from 20:06 on Sun 18 Feb to 22:05 on Mon 19 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/pradosha-vrata?on=2080-02-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-02-18", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2059, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-02-17T17:48:25+03:30", "utc": "2080-02-17T14:18:25Z", "ms": 3475405104731.873 }, "end": { "local": "2080-02-18T20:05:46+03:30", "utc": "2080-02-18T16:35:46Z", "ms": 3475499745522.87 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2080-02-17T17:48:25+03:30", "utc": "2080-02-17T14:18:25Z", "ms": 3475405104731.873 }, "end": { "local": "2080-02-18T20:05:46+03:30", "utc": "2080-02-18T16:35:46Z", "ms": 3475499745522.87 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-02-17", "window": { "start": { "local": "2080-02-17T17:14:06+03:30", "utc": "2080-02-17T13:44:06Z", "ms": 3475403045813.96 }, "end": { "local": "2080-02-17T18:58:26+03:30", "utc": "2080-02-17T15:28:26Z", "ms": 3475409305988.1377 } }, "covered_min": 70, "window_min": 104, "qualifies": true }, { "local_date": "2080-02-18", "window": { "start": { "local": "2080-02-18T17:15:06+03:30", "utc": "2080-02-18T13:45:06Z", "ms": 3475489506360.606 }, "end": { "local": "2080-02-18T18:59:09+03:30", "utc": "2080-02-18T15:29:09Z", "ms": 3475495749092.8164 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:48 on Sat 17 Feb to 20:06 on Sun 18 Feb.", "fact": "2080-02-17T14:18:25Z → 2080-02-18T16:35:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–18:58 on the 17th, 17:15–18:59 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 70 of 104 minutes on the 17th and 104 of 104 on the 18th.", "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 2059 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2080: Sunday 18 February.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-02-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-02-18", "confidence": "boundary" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2080 falls on Sunday 18 February. Trayodaśī runs from 17:48 on Sat 17 Feb to 20:06 on Sun 18 Feb and covers all of pradoṣa that evening. It also reaches the previous evening for 70 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/mashhad/festivals/2080/pradosha-vrata?on=2080-02-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-02-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-02-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32501, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-02-24T02:16:53+03:30", "utc": "2080-02-23T22:46:53Z", "ms": 3475954013476.253 }, "end": { "local": "2080-02-25T02:19:22+03:30", "utc": "2080-02-24T22:49:22Z", "ms": 3476040561980.6235 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2080-02-24T02:16:53+03:30", "utc": "2080-02-23T22:46:53Z", "ms": 3475954013476.253 }, "end": { "local": "2080-02-25T02:19:22+03:30", "utc": "2080-02-24T22:49:22Z", "ms": 3476040561980.6235 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-02-24", "window": { "start": { "local": "2080-02-24T11:21:12+03:30", "utc": "2080-02-24T07:51:12Z", "ms": 3475986671844.805 }, "end": { "local": "2080-02-24T12:09:12+03:30", "utc": "2080-02-24T08:39:12Z", "ms": 3475989551844.805 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-02-25", "window": { "start": { "local": "2080-02-25T11:21:03+03:30", "utc": "2080-02-25T07:51:03Z", "ms": 3476073062993.4233 }, "end": { "local": "2080-02-25T12:09:03+03:30", "utc": "2080-02-25T08:39:03Z", "ms": 3476075942993.4233 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:17 on Sat 24 Feb to 02:19 on Sun 25 Feb.", "fact": "2080-02-23T22:46:53Z → 2080-02-24T22:49:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 24th, 11:21–12:09 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 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32501 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2080: Saturday 24 February.", "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": "2080-02-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-02-24", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 2080 falls on Saturday 24 February. Caturthī runs from 02:17 on Sat 24 Feb to 02:19 on Sun 25 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-02-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/ekadashi?on=2080-03-02", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30324, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-03-01T17:14:30+03:30", "utc": "2080-03-01T13:44:30Z", "ms": 3476526269545.9185 }, "end": { "local": "2080-03-02T14:25:37+03:30", "utc": "2080-03-02T10:55:37Z", "ms": 3476602536634.186 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2080-03-01T17:14:30+03:30", "utc": "2080-03-01T13:44:30Z", "ms": 3476526269545.9185 }, "end": { "local": "2080-03-02T14:25:37+03:30", "utc": "2080-03-02T10:55:37Z", "ms": 3476602536634.186 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-03-01", "window": { "start": { "local": "2080-03-01T06:01:33+03:30", "utc": "2080-03-01T02:31:33Z", "ms": 3476485893214.757 }, "end": { "local": "2080-03-01T06:01:33+03:30", "utc": "2080-03-01T02:31:33Z", "ms": 3476485893214.757 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-03-02", "window": { "start": { "local": "2080-03-02T06:00:13+03:30", "utc": "2080-03-02T02:30:13Z", "ms": 3476572212716.443 }, "end": { "local": "2080-03-02T06:00:13+03:30", "utc": "2080-03-02T02:30:13Z", "ms": 3476572212716.443 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:14 on Fri 1 Mar to 14:26 on Sat 2 Mar.", "fact": "2080-03-01T13:44:30Z → 2080-03-02T10:55:37Z" }, { "step": "kaala", "text": "Sunrise is at 06:02 on the 1st and 06:00 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30324 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Mashhad, 2080: Saturday 2 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": "2080-03-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-03-02", "confidence": "determinate" } ], "quote": "In Mashhad, Āmalakī Ekādaśī 2080 falls on Saturday 2 March. Ekādaśī runs from 17:14 on Fri 1 Mar to 14:26 on Sat 2 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-03-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/pradosha-vrata?on=2080-03-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-03-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21665, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-03-03T11:27:34+03:30", "utc": "2080-03-03T07:57:34Z", "ms": 3476678254404.8623 }, "end": { "local": "2080-03-04T08:28:18+03:30", "utc": "2080-03-04T04:58:18Z", "ms": 3476753897669.0312 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2080-03-03T11:27:34+03:30", "utc": "2080-03-03T07:57:34Z", "ms": 3476678254404.8623 }, "end": { "local": "2080-03-04T08:28:18+03:30", "utc": "2080-03-04T04:58:18Z", "ms": 3476753897669.0312 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-03-03", "window": { "start": { "local": "2080-03-03T17:28:39+03:30", "utc": "2080-03-03T13:58:39Z", "ms": 3476699919091.1963 }, "end": { "local": "2080-03-03T19:08:30+03:30", "utc": "2080-03-03T15:38:30Z", "ms": 3476705909854.893 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "2080-03-04", "window": { "start": { "local": "2080-03-04T17:29:35+03:30", "utc": "2080-03-04T13:59:35Z", "ms": 3476786374617.8794 }, "end": { "local": "2080-03-04T19:09:07+03:30", "utc": "2080-03-04T15:39:07Z", "ms": 3476792347000.459 } }, "covered_min": 0, "window_min": 100, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:28 on Sun 3 Mar to 08:28 on Mon 4 Mar.", "fact": "2080-03-03T07:57:34Z → 2080-03-04T04:58:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:29–19:08 on the 3rd, 17:30–19:09 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 100 of 100 minutes on the 3rd and 0 of 100 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 21665 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2080: Sunday 3 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": "2080-03-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-03-03", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2080 falls on Sunday 3 March. Trayodaśī runs from 11:28 on Sun 3 Mar to 08:28 on Mon 4 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-03-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-03-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34222, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2080-03-05T05:36:25+03:30", "utc": "2080-03-05T02:06:25Z", "ms": 3476829984562.458 }, "end": { "local": "2080-03-06T03:00:52+03:30", "utc": "2080-03-05T23:30:52Z", "ms": 3476907051601.0244 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2080-03-05T05:36:25+03:30", "utc": "2080-03-05T02:06:25Z", "ms": 3476829984562.458 }, "end": { "local": "2080-03-06T03:00:52+03:30", "utc": "2080-03-05T23:30:52Z", "ms": 3476907051601.0244 } }, "kaala": "sayahna", "days": [ { "local_date": "2080-03-04", "window": { "start": { "local": "2080-03-04T15:11:10+03:30", "utc": "2080-03-04T11:41:10Z", "ms": 3476778069658.0884 }, "end": { "local": "2080-03-04T17:29:35+03:30", "utc": "2080-03-04T13:59:35Z", "ms": 3476786374617.8794 } }, "covered_min": 0, "window_min": 138, "qualifies": false }, { "local_date": "2080-03-05", "window": { "start": { "local": "2080-03-05T15:11:37+03:30", "utc": "2080-03-05T11:41:37Z", "ms": 3476864497371.358 }, "end": { "local": "2080-03-05T17:30:30+03:30", "utc": "2080-03-05T14:00:30Z", "ms": 3476872829842.3906 } }, "covered_min": 139, "window_min": 139, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:36 on Tue 5 Mar to 03:01 on Wed 6 Mar.", "fact": "2080-03-05T02:06:25Z → 2080-03-05T23:30:52Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:11–17:30 on the 4th, 15:12–17:30 on the 5th.", "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 138 minutes on the 4th and 139 of 139 on the 5th.", "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 34222 s" }, { "step": "ruling", "text": "Holikā Dahana, Mashhad, 2080: Tuesday 5 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": "2080-03-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-03-05", "confidence": "determinate" } ], "quote": "In Mashhad, Holikā Dahana 2080 falls on Tuesday 5 March. Pūrṇimā runs from 05:36 on Tue 5 Mar to 03:01 on Wed 6 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-03-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34222, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2080-03-05T05:36:25+03:30", "utc": "2080-03-05T02:06:25Z", "ms": 3476829984562.458 }, "end": { "local": "2080-03-06T03:00:52+03:30", "utc": "2080-03-05T23:30:52Z", "ms": 3476907051601.0244 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "2080-03-05T05:36:25+03:30", "utc": "2080-03-05T02:06:25Z", "ms": 3476829984562.458 }, "end": { "local": "2080-03-06T03:00:52+03:30", "utc": "2080-03-05T23:30:52Z", "ms": 3476907051601.0244 } }, "kaala": "sayahna", "days": [ { "local_date": "2080-03-04", "window": { "start": { "local": "2080-03-04T15:11:10+03:30", "utc": "2080-03-04T11:41:10Z", "ms": 3476778069658.0884 }, "end": { "local": "2080-03-04T17:29:35+03:30", "utc": "2080-03-04T13:59:35Z", "ms": 3476786374617.8794 } }, "covered_min": 0, "window_min": 138, "qualifies": false }, { "local_date": "2080-03-05", "window": { "start": { "local": "2080-03-05T15:11:37+03:30", "utc": "2080-03-05T11:41:37Z", "ms": 3476864497371.358 }, "end": { "local": "2080-03-05T17:30:30+03:30", "utc": "2080-03-05T14:00:30Z", "ms": 3476872829842.3906 } }, "covered_min": 139, "window_min": 139, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "2080-03-05", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:36 on Tue 5 Mar to 03:01 on Wed 6 Mar.", "fact": "2080-03-05T02:06:25Z → 2080-03-05T23:30:52Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:11–17:30 on the 4th, 15:12–17:30 on the 5th.", "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 138 minutes on the 4th and 139 of 139 on the 5th.", "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 34222 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Tuesday 5 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Mashhad, 2080: Wednesday 6 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": "2080-03-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-03-06", "confidence": "determinate" } ], "quote": "In Mashhad, Holī 2080 falls on Wednesday 6 March. It is kept the day after Holikā Dahana, which falls on Tuesday 5 March. Pūrṇimā runs from 05:36 on Tue 5 Mar to 03:01 on Wed 6 Mar and covers all of sāyāhna on the 5th.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-03-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10433, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2080-03-06T03:00:52+03:30", "utc": "2080-03-05T23:30:52Z", "ms": 3476907051601.0244 }, "end": { "local": "2080-03-07T00:50:25+03:30", "utc": "2080-03-06T21:20:25Z", "ms": 3476985625131.9785 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2080-03-06T03:00:52+03:30", "utc": "2080-03-05T23:30:52Z", "ms": 3476907051601.0244 }, "end": { "local": "2080-03-07T00:50:25+03:30", "utc": "2080-03-06T21:20:25Z", "ms": 3476985625131.9785 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-03-06", "window": { "start": { "local": "2080-03-06T05:54:45+03:30", "utc": "2080-03-06T02:24:45Z", "ms": 3476917484611.6157 }, "end": { "local": "2080-03-06T05:54:45+03:30", "utc": "2080-03-06T02:24:45Z", "ms": 3476917484611.6157 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-03-07", "window": { "start": { "local": "2080-03-07T05:53:21+03:30", "utc": "2080-03-07T02:23:21Z", "ms": 3477003801225.179 }, "end": { "local": "2080-03-07T05:53:21+03:30", "utc": "2080-03-07T02:23:21Z", "ms": 3477003801225.179 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 03:01 on Wed 6 Mar to 00:50 on Thu 7 Mar.", "fact": "2080-03-05T23:30:52Z → 2080-03-06T21:20:25Z" }, { "step": "kaala", "text": "Sunrise is at 05:55 on the 6th and 05:53 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā 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: purvaviddha → only-day · margin 10433 s" }, { "step": "ruling", "text": "Vasantotsava, Mashhad, 2080: Wednesday 6 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": "2080-03-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-03-06", "confidence": "determinate" } ], "quote": "In Mashhad, Vasantotsava 2080 falls on Wednesday 6 March. Pratipadā runs from 03:01 on Wed 6 Mar to 00:50 on Thu 7 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/sankashta-chaturthi?on=2080-03-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1995, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-03-08T22:15:33+03:30", "utc": "2080-03-08T18:45:33Z", "ms": 3477149132652.01 }, "end": { "local": "2080-03-09T22:02:01+03:30", "utc": "2080-03-09T18:32:01Z", "ms": 3477234721434.306 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2080-03-08T22:15:33+03:30", "utc": "2080-03-08T18:45:33Z", "ms": 3477149132652.01 }, "end": { "local": "2080-03-09T22:02:01+03:30", "utc": "2080-03-09T18:32:01Z", "ms": 3477234721434.306 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-03-08", "window": { "start": { "local": "2080-03-08T20:23:03+03:30", "utc": "2080-03-08T16:53:03Z", "ms": 3477142383495.103 }, "end": { "local": "2080-03-08T20:23:03+03:30", "utc": "2080-03-08T16:53:03Z", "ms": 3477142383495.103 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-03-09", "window": { "start": { "local": "2080-03-09T21:28:46+03:30", "utc": "2080-03-09T17:58:46Z", "ms": 3477232726351.4277 }, "end": { "local": "2080-03-09T21:28:46+03:30", "utc": "2080-03-09T17:58:46Z", "ms": 3477232726351.4277 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:16 on Fri 8 Mar to 22:02 on Sat 9 Mar.", "fact": "2080-03-08T18:45:33Z → 2080-03-09T18:32:01Z" }, { "step": "kaala", "text": "Moonrise is at 20:23 on the 8th and 21:29 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 1995 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2080: Saturday 9 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": "2080-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-03-09", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2080 falls on Saturday 9 March. Caturthī runs from 22:16 on Fri 8 Mar to 22:02 on Sat 9 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/sankashta-chaturthi?on=2080-03-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26593, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2080-03-13T01:38:13+03:30", "utc": "2080-03-12T22:08:13Z", "ms": 3477506893438.3286 }, "end": { "local": "2080-03-14T03:53:48+03:30", "utc": "2080-03-14T00:23:48Z", "ms": 3477601428156.813 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2080-03-13T01:38:13+03:30", "utc": "2080-03-12T22:08:13Z", "ms": 3477506893438.3286 }, "end": { "local": "2080-03-14T03:53:48+03:30", "utc": "2080-03-14T00:23:48Z", "ms": 3477601428156.813 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-03-13", "window": { "start": { "local": "2080-03-13T11:17:17+03:30", "utc": "2080-03-13T07:47:17Z", "ms": 3477541637214.6006 }, "end": { "local": "2080-03-13T12:05:17+03:30", "utc": "2080-03-13T08:35:17Z", "ms": 3477544517214.6006 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-03-14", "window": { "start": { "local": "2080-03-14T11:17:01+03:30", "utc": "2080-03-14T07:47:01Z", "ms": 3477628020737.2393 }, "end": { "local": "2080-03-14T12:05:01+03:30", "utc": "2080-03-14T08:35:01Z", "ms": 3477630900737.2393 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:38 on Wed 13 Mar to 03:54 on Thu 14 Mar.", "fact": "2080-03-12T22:08:13Z → 2080-03-14T00:23:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:17–12:05 on the 13th, 11:17–12:05 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 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: purvaviddha → only-day · margin 26593 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Mashhad, 2080: Wednesday 13 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": "2080-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-03-13", "confidence": "determinate" } ], "quote": "In Mashhad, Śītalāṣṭamī 2080 falls on Wednesday 13 March. Aṣṭamī runs from 01:38 on Wed 13 Mar to 03:54 on Thu 14 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ekadashi?on=2080-03-17", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-03-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11336, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-03-16T08:49:29+03:30", "utc": "2080-03-16T05:19:29Z", "ms": 3477791968777.327 }, "end": { "local": "2080-03-17T11:04:11+03:30", "utc": "2080-03-17T07:34:11Z", "ms": 3477886451473.2993 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2080-03-16T08:49:29+03:30", "utc": "2080-03-16T05:19:29Z", "ms": 3477791968777.327 }, "end": { "local": "2080-03-17T11:04:11+03:30", "utc": "2080-03-17T07:34:11Z", "ms": 3477886451473.2993 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-03-16", "window": { "start": { "local": "2080-03-16T05:40:33+03:30", "utc": "2080-03-16T02:10:33Z", "ms": 3477780633052.5454 }, "end": { "local": "2080-03-16T05:40:33+03:30", "utc": "2080-03-16T02:10:33Z", "ms": 3477780633052.5454 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-03-17", "window": { "start": { "local": "2080-03-17T05:39:06+03:30", "utc": "2080-03-17T02:09:06Z", "ms": 3477866946299.9634 }, "end": { "local": "2080-03-17T05:39:06+03:30", "utc": "2080-03-17T02:09:06Z", "ms": 3477866946299.9634 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:49 on Sat 16 Mar to 11:04 on Sun 17 Mar.", "fact": "2080-03-16T05:19:29Z → 2080-03-17T07:34:11Z" }, { "step": "kaala", "text": "Sunrise is at 05:41 on the 16th and 05:39 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 11336 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Mashhad, 2080: Sunday 17 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": "2080-03-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-03-17", "confidence": "determinate" } ], "quote": "In Mashhad, Pāpamocanī Ekādaśī 2080 falls on Sunday 17 March. Ekādaśī runs from 08:49 on Sat 16 Mar to 11:04 on Sun 17 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-03-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/pradosha-vrata?on=2080-03-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12099, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-03-18T12:56:49+03:30", "utc": "2080-03-18T09:26:49Z", "ms": 3477979608756.7573 }, "end": { "local": "2080-03-19T14:21:20+03:30", "utc": "2080-03-19T10:51:20Z", "ms": 3478071079664.7876 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2080-03-18T12:56:49+03:30", "utc": "2080-03-18T09:26:49Z", "ms": 3477979608756.7573 }, "end": { "local": "2080-03-19T14:21:20+03:30", "utc": "2080-03-19T10:51:20Z", "ms": 3478071079664.7876 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-03-18", "window": { "start": { "local": "2080-03-18T17:42:06+03:30", "utc": "2080-03-18T14:12:06Z", "ms": 3477996726278.918 }, "end": { "local": "2080-03-18T19:17:19+03:30", "utc": "2080-03-18T15:47:19Z", "ms": 3478002439083.185 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "2080-03-19", "window": { "start": { "local": "2080-03-19T17:42:59+03:30", "utc": "2080-03-19T14:12:59Z", "ms": 3478083178578.6367 }, "end": { "local": "2080-03-19T19:17:53+03:30", "utc": "2080-03-19T15:47:53Z", "ms": 3478088872785.6763 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:57 on Mon 18 Mar to 14:21 on Tue 19 Mar.", "fact": "2080-03-18T09:26:49Z → 2080-03-19T10:51:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:42–19:17 on the 18th, 17:43–19:18 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 95 of 95 minutes on the 18th and 0 of 95 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12099 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2080: Monday 18 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": "2080-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-03-18", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2080 falls on Monday 18 March. Trayodaśī runs from 12:57 on Mon 18 Mar to 14:21 on Tue 19 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-03-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/shivaratri?on=2080-03-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28780, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2080-03-19T14:21:20+03:30", "utc": "2080-03-19T10:51:20Z", "ms": 3478071079664.7876 }, "end": { "local": "2080-03-20T15:14:54+03:30", "utc": "2080-03-20T11:44:54Z", "ms": 3478160694428.7246 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2080-03-19T14:21:20+03:30", "utc": "2080-03-19T10:51:20Z", "ms": 3478071079664.7876 }, "end": { "local": "2080-03-20T15:14:54+03:30", "utc": "2080-03-20T11:44:54Z", "ms": 3478160694428.7246 } }, "kaala": "nishita", "days": [ { "local_date": "2080-03-19", "window": { "start": { "local": "2080-03-19T23:14:52+03:30", "utc": "2080-03-19T19:44:52Z", "ms": 3478103091855.0356 }, "end": { "local": "2080-03-20T00:02:52+03:30", "utc": "2080-03-19T20:32:52Z", "ms": 3478105971855.0356 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-03-20", "window": { "start": { "local": "2080-03-20T23:14:34+03:30", "utc": "2080-03-20T19:44:34Z", "ms": 3478189474303.233 }, "end": { "local": "2080-03-21T00:02:34+03:30", "utc": "2080-03-20T20:32:34Z", "ms": 3478192354303.233 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:21 on Tue 19 Mar to 15:15 on Wed 20 Mar.", "fact": "2080-03-19T10:51:20Z → 2080-03-20T11:44:54Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:15–00:03 on the 19th, 23:15–00:03 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 28780 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2080: Tuesday 19 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": "2080-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-03-19", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2080 falls on Tuesday 19 March. Caturdaśī runs from 14:21 on Tue 19 Mar to 15:15 on Wed 20 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2080/shivaratri?on=2080-03-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12443, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2080-03-21T15:37:18+03:30", "utc": "2080-03-21T12:07:18Z", "ms": 3478248438431.884 }, "end": { "local": "2080-03-22T15:30:05+03:30", "utc": "2080-03-22T12:00:05Z", "ms": 3478334405284.188 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2080-03-21T15:37:18+03:30", "utc": "2080-03-21T12:07:18Z", "ms": 3478248438431.884 }, "end": { "local": "2080-03-22T15:30:05+03:30", "utc": "2080-03-22T12:00:05Z", "ms": 3478334405284.188 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-03-21", "window": { "start": { "local": "2080-03-21T11:15:00+03:30", "utc": "2080-03-21T07:45:00Z", "ms": 3478232700318.762 }, "end": { "local": "2080-03-21T12:03:00+03:30", "utc": "2080-03-21T08:33:00Z", "ms": 3478235580318.762 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-03-22", "window": { "start": { "local": "2080-03-22T11:14:43+03:30", "utc": "2080-03-22T07:44:43Z", "ms": 3478319082610.1875 }, "end": { "local": "2080-03-22T12:02:43+03:30", "utc": "2080-03-22T08:32:43Z", "ms": 3478321962610.1875 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 15:37 on Thu 21 Mar to 15:30 on Fri 22 Mar.", "fact": "2080-03-21T12:07:18Z → 2080-03-22T12:00:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 21st, 11:15–12:03 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12443 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Mashhad, 2080: Friday 22 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": "2080-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-03-22", "confidence": "determinate" } ], "quote": "In Mashhad, Navarātrārambha (Caitra) (Chaitra Navratri) 2080 falls on Friday 22 March. Pratipadā runs from 15:37 on Thu 21 Mar to 15:30 on Fri 22 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6938, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2080-03-23T14:55:52+03:30", "utc": "2080-03-23T11:25:52Z", "ms": 3478418752194.8306 }, "end": { "local": "2080-03-24T13:57:45+03:30", "utc": "2080-03-24T10:27:45Z", "ms": 3478501664796.011 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2080-03-23T14:55:52+03:30", "utc": "2080-03-23T11:25:52Z", "ms": 3478418752194.8306 }, "end": { "local": "2080-03-24T13:57:45+03:30", "utc": "2080-03-24T10:27:45Z", "ms": 3478501664796.011 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-03-23", "window": { "start": { "local": "2080-03-23T11:14:25+03:30", "utc": "2080-03-23T07:44:25Z", "ms": 3478405464827.0117 }, "end": { "local": "2080-03-23T12:02:25+03:30", "utc": "2080-03-23T08:32:25Z", "ms": 3478408344827.0117 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-03-24", "window": { "start": { "local": "2080-03-24T11:14:07+03:30", "utc": "2080-03-24T07:44:07Z", "ms": 3478491846985.834 }, "end": { "local": "2080-03-24T12:02:07+03:30", "utc": "2080-03-24T08:32:07Z", "ms": 3478494726985.834 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:56 on Sat 23 Mar to 13:58 on Sun 24 Mar.", "fact": "2080-03-23T11:25:52Z → 2080-03-24T10:27:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 23rd, 11:14–12:02 on the 24th.", "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 23rd and 48 of 48 on the 24th.", "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 6938 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Mashhad, 2080: Sunday 24 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-03-24", "confidence": "determinate" } ], "quote": "In Mashhad, Gaurī Tṛtīyā (Gangaur) 2080 falls on Sunday 24 March. Tṛtīyā runs from 14:56 on Sat 23 Mar to 13:58 on Sun 24 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6938, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2080-03-23T14:55:52+03:30", "utc": "2080-03-23T11:25:52Z", "ms": 3478418752194.8306 }, "end": { "local": "2080-03-24T13:57:45+03:30", "utc": "2080-03-24T10:27:45Z", "ms": 3478501664796.011 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2080-03-23T14:55:52+03:30", "utc": "2080-03-23T11:25:52Z", "ms": 3478418752194.8306 }, "end": { "local": "2080-03-24T13:57:45+03:30", "utc": "2080-03-24T10:27:45Z", "ms": 3478501664796.011 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-03-23", "window": { "start": { "local": "2080-03-23T11:14:25+03:30", "utc": "2080-03-23T07:44:25Z", "ms": 3478405464827.0117 }, "end": { "local": "2080-03-23T12:02:25+03:30", "utc": "2080-03-23T08:32:25Z", "ms": 3478408344827.0117 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-03-24", "window": { "start": { "local": "2080-03-24T11:14:07+03:30", "utc": "2080-03-24T07:44:07Z", "ms": 3478491846985.834 }, "end": { "local": "2080-03-24T12:02:07+03:30", "utc": "2080-03-24T08:32:07Z", "ms": 3478494726985.834 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:56 on Sat 23 Mar to 13:58 on Sun 24 Mar.", "fact": "2080-03-23T11:25:52Z → 2080-03-24T10:27:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 23rd, 11:14–12:02 on the 24th.", "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 23rd and 48 of 48 on the 24th.", "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 6938 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Mashhad, 2080: Sunday 24 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-03-24", "confidence": "determinate" } ], "quote": "In Mashhad, Saubhāgya Śayana Vrata 2080 falls on Sunday 24 March. Tṛtīyā runs from 14:56 on Sat 23 Mar to 13:58 on Sun 24 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-03-25", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2225, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-03-24T13:57:45+03:30", "utc": "2080-03-24T10:27:45Z", "ms": 3478501664796.011 }, "end": { "local": "2080-03-25T12:38:54+03:30", "utc": "2080-03-25T09:08:54Z", "ms": 3478583333864.5664 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2080-03-24T13:57:45+03:30", "utc": "2080-03-24T10:27:45Z", "ms": 3478501664796.011 }, "end": { "local": "2080-03-25T12:38:54+03:30", "utc": "2080-03-25T09:08:54Z", "ms": 3478583333864.5664 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-03-24", "window": { "start": { "local": "2080-03-24T11:14:07+03:30", "utc": "2080-03-24T07:44:07Z", "ms": 3478491846985.834 }, "end": { "local": "2080-03-24T12:02:07+03:30", "utc": "2080-03-24T08:32:07Z", "ms": 3478494726985.834 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-03-25", "window": { "start": { "local": "2080-03-25T11:13:49+03:30", "utc": "2080-03-25T07:43:49Z", "ms": 3478578229103.2764 }, "end": { "local": "2080-03-25T12:01:49+03:30", "utc": "2080-03-25T08:31:49Z", "ms": 3478581109103.2764 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:58 on Sun 24 Mar to 12:39 on Mon 25 Mar.", "fact": "2080-03-24T10:27:45Z → 2080-03-25T09:08:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 24th, 11:14–12:02 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 2225 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2080: Monday 25 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": "2080-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-03-25", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 2080 falls on Monday 25 March. Caturthī runs from 13:58 on Sun 24 Mar to 12:39 on Mon 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-03-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 668, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2080-03-25T12:38:54+03:30", "utc": "2080-03-25T09:08:54Z", "ms": 3478583333864.5664 }, "end": { "local": "2080-03-26T11:02:24+03:30", "utc": "2080-03-26T07:32:24Z", "ms": 3478663943572.177 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2080-03-25T12:38:54+03:30", "utc": "2080-03-25T09:08:54Z", "ms": 3478583333864.5664 }, "end": { "local": "2080-03-26T11:02:24+03:30", "utc": "2080-03-26T07:32:24Z", "ms": 3478663943572.177 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-03-25", "window": { "start": { "local": "2080-03-25T11:13:49+03:30", "utc": "2080-03-25T07:43:49Z", "ms": 3478578229103.2764 }, "end": { "local": "2080-03-25T12:01:49+03:30", "utc": "2080-03-25T08:31:49Z", "ms": 3478581109103.2764 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-03-26", "window": { "start": { "local": "2080-03-26T11:13:31+03:30", "utc": "2080-03-26T07:43:31Z", "ms": 3478664611196.1978 }, "end": { "local": "2080-03-26T12:01:31+03:30", "utc": "2080-03-26T08:31:31Z", "ms": 3478667491196.1978 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 12:39 on Mon 25 Mar to 11:02 on Tue 26 Mar.", "fact": "2080-03-25T09:08:54Z → 2080-03-26T07:32:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 25th, 11:14–12:02 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 668 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Mashhad, 2080: Tuesday 26 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-03-25", "confidence": "determinate" } ], "quote": "In Mashhad, Lakṣmī Pañcamī 2080 falls on Tuesday 26 March. Pañcamī runs from 12:39 on Mon 25 Mar to 11:02 on Tue 26 Mar, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14692, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2080-03-28T07:08:03+03:30", "utc": "2080-03-28T03:38:03Z", "ms": 3478822683440.9214 }, "end": { "local": "2080-03-29T04:56:03+03:30", "utc": "2080-03-29T01:26:03Z", "ms": 3478901163352.148 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2080-03-28T07:08:03+03:30", "utc": "2080-03-28T03:38:03Z", "ms": 3478822683440.9214 }, "end": { "local": "2080-03-29T04:56:03+03:30", "utc": "2080-03-29T01:26:03Z", "ms": 3478901163352.148 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-03-28", "window": { "start": { "local": "2080-03-28T11:12:55+03:30", "utc": "2080-03-28T07:42:55Z", "ms": 3478837375378.37 }, "end": { "local": "2080-03-28T12:00:55+03:30", "utc": "2080-03-28T08:30:55Z", "ms": 3478840255378.37 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-03-29", "window": { "start": { "local": "2080-03-29T11:12:38+03:30", "utc": "2080-03-29T07:42:38Z", "ms": 3478923757504.357 }, "end": { "local": "2080-03-29T12:00:38+03:30", "utc": "2080-03-29T08:30:38Z", "ms": 3478926637504.357 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:08 on Thu 28 Mar to 04:56 on Fri 29 Mar.", "fact": "2080-03-28T03:38:03Z → 2080-03-29T01:26:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 28th, 11:13–12:01 on the 29th.", "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 28th and 0 of 48 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14692 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Mashhad, 2080: Thursday 28 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-03-28", "confidence": "determinate" } ], "quote": "In Mashhad, Bhavānī Utpatti 2080 falls on Thursday 28 March. Aṣṭamī runs from 07:08 on Thu 28 Mar to 04:56 on Fri 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22594, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2080-03-29T04:56:03+03:30", "utc": "2080-03-29T01:26:03Z", "ms": 3478901163352.148 }, "end": { "local": "2080-03-30T02:38:23+03:30", "utc": "2080-03-29T23:08:23Z", "ms": 3478979303431.1313 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2080-03-29T04:56:03+03:30", "utc": "2080-03-29T01:26:03Z", "ms": 3478901163352.148 }, "end": { "local": "2080-03-30T02:38:23+03:30", "utc": "2080-03-29T23:08:23Z", "ms": 3478979303431.1313 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-03-29", "window": { "start": { "local": "2080-03-29T11:12:38+03:30", "utc": "2080-03-29T07:42:38Z", "ms": 3478923757504.357 }, "end": { "local": "2080-03-29T12:00:38+03:30", "utc": "2080-03-29T08:30:38Z", "ms": 3478926637504.357 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-03-30", "window": { "start": { "local": "2080-03-30T11:12:20+03:30", "utc": "2080-03-30T07:42:20Z", "ms": 3479010139679.552 }, "end": { "local": "2080-03-30T12:00:20+03:30", "utc": "2080-03-30T08:30:20Z", "ms": 3479013019679.552 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 04:56 on Fri 29 Mar to 02:38 on Sat 30 Mar.", "fact": "2080-03-29T01:26:03Z → 2080-03-29T23:08:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 29th, 11:12–12:00 on the 30th.", "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 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22594 s" }, { "step": "ruling", "text": "Rāma Navamī, Mashhad, 2080: Friday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-03-29", "confidence": "determinate" } ], "quote": "In Mashhad, Rāma Navamī 2080 falls on Friday 29 March. Navamī runs from 04:56 on Fri 29 Mar to 02:38 on Sat 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ekadashi?on=2080-03-31", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18003, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-03-31T00:18:44+03:30", "utc": "2080-03-30T20:48:44Z", "ms": 3479057323837.936 }, "end": { "local": "2080-03-31T22:01:17+03:30", "utc": "2080-03-31T18:31:17Z", "ms": 3479135476843.5874 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2080-03-31T00:18:44+03:30", "utc": "2080-03-30T20:48:44Z", "ms": 3479057323837.936 }, "end": { "local": "2080-03-31T22:01:17+03:30", "utc": "2080-03-31T18:31:17Z", "ms": 3479135476843.5874 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-03-31", "window": { "start": { "local": "2080-03-31T05:18:47+03:30", "utc": "2080-03-31T01:48:47Z", "ms": 3479075326528.2446 }, "end": { "local": "2080-03-31T05:18:47+03:30", "utc": "2080-03-31T01:48:47Z", "ms": 3479075326528.2446 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-04-01", "window": { "start": { "local": "2080-04-01T05:17:20+03:30", "utc": "2080-04-01T01:47:20Z", "ms": 3479161640151.812 }, "end": { "local": "2080-04-01T05:17:20+03:30", "utc": "2080-04-01T01:47:20Z", "ms": 3479161640151.812 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:19 on Sun 31 Mar to 22:01 on Sun 31 Mar.", "fact": "2080-03-30T20:48:44Z → 2080-03-31T18:31:17Z" }, { "step": "kaala", "text": "Sunrise is at 05:19 on the 31st and 05:17 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is 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": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18003 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Mashhad, 2080: Sunday 31 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": "2080-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-03-31", "confidence": "determinate" } ], "quote": "In Mashhad, Kāmadā Ekādaśī 2080 falls on Sunday 31 March. Ekādaśī runs from 00:19 on Sun 31 Mar to 22:01 on Sun 31 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-03-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/pradosha-vrata?on=2080-04-01", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-04-01", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 144, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-04-01T19:50:49+03:30", "utc": "2080-04-01T16:20:49Z", "ms": 3479214048570.0884 }, "end": { "local": "2080-04-02T17:52:36+03:30", "utc": "2080-04-02T14:22:36Z", "ms": 3479293355507.023 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2080-04-01T19:50:49+03:30", "utc": "2080-04-01T16:20:49Z", "ms": 3479214048570.0884 }, "end": { "local": "2080-04-02T17:52:36+03:30", "utc": "2080-04-02T14:22:36Z", "ms": 3479293355507.023 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-04-01", "window": { "start": { "local": "2080-04-01T17:54:08+03:30", "utc": "2080-04-01T14:24:08Z", "ms": 3479207048369.961 }, "end": { "local": "2080-04-01T19:25:02+03:30", "utc": "2080-04-01T15:55:02Z", "ms": 3479212502458.3716 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "2080-04-02", "window": { "start": { "local": "2080-04-02T17:54:59+03:30", "utc": "2080-04-02T14:24:59Z", "ms": 3479293499388.217 }, "end": { "local": "2080-04-02T19:25:35+03:30", "utc": "2080-04-02T15:55:35Z", "ms": 3479298935230.183 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:51 on Mon 1 Apr to 17:53 on Tue 2 Apr.", "fact": "2080-04-01T16:20:49Z → 2080-04-02T14:22:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:25 on the 1st, 17:55–19:26 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 1st and 0 of 91 on the 2nd.", "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 144 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2080: Monday 1 April.", "fact": "confidence: boundary (margin, 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": "2080-04-02", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-04-01", "confidence": "boundary" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2080 falls on Monday 1 April. Trayodaśī runs from 19:51 on Mon 1 Apr to 17:53 on Tue 2 Apr, and reaches pradoṣa on neither day. It is 2 min 24 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-04-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21189, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-04-01T19:50:49+03:30", "utc": "2080-04-01T16:20:49Z", "ms": 3479214048570.0884 }, "end": { "local": "2080-04-02T17:52:36+03:30", "utc": "2080-04-02T14:22:36Z", "ms": 3479293355507.023 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2080-04-01T19:50:49+03:30", "utc": "2080-04-01T16:20:49Z", "ms": 3479214048570.0884 }, "end": { "local": "2080-04-02T17:52:36+03:30", "utc": "2080-04-02T14:22:36Z", "ms": 3479293355507.023 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-04-01", "window": { "start": { "local": "2080-04-01T11:11:44+03:30", "utc": "2080-04-01T07:41:44Z", "ms": 3479182904260.8867 }, "end": { "local": "2080-04-01T11:59:44+03:30", "utc": "2080-04-01T08:29:44Z", "ms": 3479185784260.8867 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-04-02", "window": { "start": { "local": "2080-04-02T11:11:27+03:30", "utc": "2080-04-02T07:41:27Z", "ms": 3479269286710.629 }, "end": { "local": "2080-04-02T11:59:27+03:30", "utc": "2080-04-02T08:29:27Z", "ms": 3479272166710.629 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:51 on Mon 1 Apr to 17:53 on Tue 2 Apr.", "fact": "2080-04-01T16:20:49Z → 2080-04-02T14:22:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:12–12:00 on the 1st, 11:11–11:59 on the 2nd.", "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 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21189 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Mashhad, 2080: Tuesday 2 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": "2080-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-04-02", "confidence": "determinate" } ], "quote": "In Mashhad, Anaṅga Trayodaśī 2080 falls on Tuesday 2 April. Trayodaśī runs from 19:51 on Mon 1 Apr to 17:53 on Tue 2 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15186, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2080-04-02T17:52:36+03:30", "utc": "2080-04-02T14:22:36Z", "ms": 3479293355507.023 }, "end": { "local": "2080-04-03T16:12:15+03:30", "utc": "2080-04-03T12:42:15Z", "ms": 3479373735165.0615 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2080-04-02T17:52:36+03:30", "utc": "2080-04-02T14:22:36Z", "ms": 3479293355507.023 }, "end": { "local": "2080-04-03T16:12:15+03:30", "utc": "2080-04-03T12:42:15Z", "ms": 3479373735165.0615 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-04-02", "window": { "start": { "local": "2080-04-02T11:11:27+03:30", "utc": "2080-04-02T07:41:27Z", "ms": 3479269286710.629 }, "end": { "local": "2080-04-02T11:59:27+03:30", "utc": "2080-04-02T08:29:27Z", "ms": 3479272166710.629 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-04-03", "window": { "start": { "local": "2080-04-03T11:11:09+03:30", "utc": "2080-04-03T07:41:09Z", "ms": 3479355669296.3145 }, "end": { "local": "2080-04-03T11:59:09+03:30", "utc": "2080-04-03T08:29:09Z", "ms": 3479358549296.3145 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:53 on Tue 2 Apr to 16:12 on Wed 3 Apr.", "fact": "2080-04-02T14:22:36Z → 2080-04-03T12:42:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:11–11:59 on the 2nd, 11:11–11:59 on the 3rd.", "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 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: paraviddha → only-day · margin 15186 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Mashhad, 2080: Wednesday 3 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": "2080-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-04-03", "confidence": "determinate" } ], "quote": "In Mashhad, Viṣṇudamanaka Caturdaśī 2080 falls on Wednesday 3 April. Caturdaśī runs from 17:53 on Tue 2 Apr to 16:12 on Wed 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10598, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2080-04-03T16:12:15+03:30", "utc": "2080-04-03T12:42:15Z", "ms": 3479373735165.0615 }, "end": { "local": "2080-04-04T14:55:30+03:30", "utc": "2080-04-04T11:25:30Z", "ms": 3479455529966.7983 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "2080-04-03T16:12:15+03:30", "utc": "2080-04-03T12:42:15Z", "ms": 3479373735165.0615 }, "end": { "local": "2080-04-04T14:55:30+03:30", "utc": "2080-04-04T11:25:30Z", "ms": 3479455529966.7983 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-04-03", "window": { "start": { "local": "2080-04-03T11:11:09+03:30", "utc": "2080-04-03T07:41:09Z", "ms": 3479355669296.3145 }, "end": { "local": "2080-04-03T11:59:09+03:30", "utc": "2080-04-03T08:29:09Z", "ms": 3479358549296.3145 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-04-04", "window": { "start": { "local": "2080-04-04T11:10:52+03:30", "utc": "2080-04-04T07:40:52Z", "ms": 3479442052040.504 }, "end": { "local": "2080-04-04T11:58:52+03:30", "utc": "2080-04-04T08:28:52Z", "ms": 3479444932040.504 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:12 on Wed 3 Apr to 14:55 on Thu 4 Apr.", "fact": "2080-04-03T12:42:15Z → 2080-04-04T11:25:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:11–11:59 on the 3rd, 11:11–11:59 on the 4th.", "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 3rd and 48 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: paraviddha → only-day · margin 10598 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Mashhad, 2080: Thursday 4 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": "2080-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-04-04", "confidence": "determinate" } ], "quote": "In Mashhad, Caitrī Pūrṇimā 2080 falls on Thursday 4 April. Pūrṇimā runs from 16:12 on Wed 3 Apr to 14:55 on Thu 4 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/sankashta-chaturthi?on=2080-04-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25540, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-04-07T14:15:31+03:30", "utc": "2080-04-07T10:45:31Z", "ms": 3479712331191.9536 }, "end": { "local": "2080-04-08T15:14:32+03:30", "utc": "2080-04-08T11:44:32Z", "ms": 3479802272304.3247 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2080-04-07T14:15:31+03:30", "utc": "2080-04-07T10:45:31Z", "ms": 3479712331191.9536 }, "end": { "local": "2080-04-08T15:14:32+03:30", "utc": "2080-04-08T11:44:32Z", "ms": 3479802272304.3247 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-04-07", "window": { "start": { "local": "2080-04-07T21:21:11+03:30", "utc": "2080-04-07T17:51:11Z", "ms": 3479737871212.2393 }, "end": { "local": "2080-04-07T21:21:11+03:30", "utc": "2080-04-07T17:51:11Z", "ms": 3479737871212.2393 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-04-08", "window": { "start": { "local": "2080-04-08T22:24:38+03:30", "utc": "2080-04-08T18:54:38Z", "ms": 3479828078468.707 }, "end": { "local": "2080-04-08T22:24:38+03:30", "utc": "2080-04-08T18:54:38Z", "ms": 3479828078468.707 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:16 on Sun 7 Apr to 15:15 on Mon 8 Apr.", "fact": "2080-04-07T10:45:31Z → 2080-04-08T11:44:32Z" }, { "step": "kaala", "text": "Moonrise is at 21:21 on the 7th and 22:25 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25540 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2080: Sunday 7 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": "2080-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-04-07", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2080 falls on Sunday 7 April. Caturthī runs from 14:16 on Sun 7 Apr to 15:15 on Mon 8 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/sankashta-chaturthi?on=2080-04-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4968, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "2080-04-14T03:36:24+03:30", "utc": "2080-04-14T00:06:24Z", "ms": 3480278783904.758 }, "end": { "local": "2080-05-15T00:24:37+03:30", "utc": "2080-05-14T20:54:37Z", "ms": 3482945677217.245 } }, "span": { "of": "transit", "start": { "local": "2080-04-14T03:36:24+03:30", "utc": "2080-04-14T00:06:24Z", "ms": 3480278783904.758 }, "end": { "local": "2080-04-14T03:36:24+03:30", "utc": "2080-04-14T00:06:24Z", "ms": 3480278783904.758 } }, "kaala": "day", "days": [ { "local_date": "2080-04-13", "window": { "start": { "local": "2080-04-13T05:00:33+03:30", "utc": "2080-04-13T01:30:33Z", "ms": 3480197432588.998 }, "end": { "local": "2080-04-14T04:59:12+03:30", "utc": "2080-04-14T01:29:12Z", "ms": 3480283751969.264 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "2080-04-14", "window": { "start": { "local": "2080-04-14T04:59:12+03:30", "utc": "2080-04-14T01:29:12Z", "ms": 3480283751969.264 }, "end": { "local": "2080-04-15T04:57:52+03:30", "utc": "2080-04-15T01:27:52Z", "ms": 3480370072004.3223 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 03:36 on Sun 14 Apr.", "fact": "2080-04-14T00:06:24Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:01 on the 13th, and from 04:59 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 4968 s" }, { "step": "ruling", "text": "Vaiśākhī, Mashhad, 2080: Saturday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "2080-04-14", "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": "2080-04-14", "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 Mashhad, Vaiśākhī 2080 falls on Saturday 13 April. The Sun enters Meṣa at 03:36 on Sun 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/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ekadashi?on=2080-04-16", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 891, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-04-15T03:46:04+03:30", "utc": "2080-04-15T00:16:04Z", "ms": 3480365763717.8203 }, "end": { "local": "2080-04-16T05:11:24+03:30", "utc": "2080-04-16T01:41:24Z", "ms": 3480457284097.426 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2080-04-15T03:46:04+03:30", "utc": "2080-04-15T00:16:04Z", "ms": 3480365763717.8203 }, "end": { "local": "2080-04-16T05:11:24+03:30", "utc": "2080-04-16T01:41:24Z", "ms": 3480457284097.426 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-04-15", "window": { "start": { "local": "2080-04-15T04:57:52+03:30", "utc": "2080-04-15T01:27:52Z", "ms": 3480370072004.3223 }, "end": { "local": "2080-04-15T04:57:52+03:30", "utc": "2080-04-15T01:27:52Z", "ms": 3480370072004.3223 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-04-16", "window": { "start": { "local": "2080-04-16T04:56:33+03:30", "utc": "2080-04-16T01:26:33Z", "ms": 3480456392723.301 }, "end": { "local": "2080-04-16T04:56:33+03:30", "utc": "2080-04-16T01:26:33Z", "ms": 3480456392723.301 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:46 on Mon 15 Apr to 05:11 on Tue 16 Apr.", "fact": "2080-04-15T00:16:04Z → 2080-04-16T01:41:24Z" }, { "step": "kaala", "text": "Sunrise is at 04:58 on the 15th and 04:57 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 15th and is on the 16th.", "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 891 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Mashhad, 2080: Tuesday 16 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": "2080-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-04-16", "confidence": "determinate" } ], "quote": "In Mashhad, Varūthinī Ekādaśī 2080 falls on Tuesday 16 April. Ekādaśī runs from 03:46 on Mon 15 Apr to 05:11 on Tue 16 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-04-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/pradosha-vrata?on=2080-04-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37569, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-04-17T05:59:32+03:30", "utc": "2080-04-17T02:29:32Z", "ms": 3480546571662.6367 }, "end": { "local": "2080-04-18T06:07:51+03:30", "utc": "2080-04-18T02:37:51Z", "ms": 3480633470617.509 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2080-04-17T05:59:32+03:30", "utc": "2080-04-17T02:29:32Z", "ms": 3480546571662.6367 }, "end": { "local": "2080-04-18T06:07:51+03:30", "utc": "2080-04-18T02:37:51Z", "ms": 3480633470617.509 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-04-16", "window": { "start": { "local": "2080-04-16T18:06:57+03:30", "utc": "2080-04-16T14:36:57Z", "ms": 3480503816740.594 }, "end": { "local": "2080-04-16T19:33:23+03:30", "utc": "2080-04-16T16:03:23Z", "ms": 3480509003062.5024 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "2080-04-17", "window": { "start": { "local": "2080-04-17T18:07:48+03:30", "utc": "2080-04-17T14:37:48Z", "ms": 3480590268441.424 }, "end": { "local": "2080-04-17T19:33:57+03:30", "utc": "2080-04-17T16:03:57Z", "ms": 3480595437492.8745 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:00 on Wed 17 Apr to 06:08 on Thu 18 Apr.", "fact": "2080-04-17T02:29:32Z → 2080-04-18T02:37:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:33 on the 16th, 18:08–19:34 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 86 minutes on the 16th and 86 of 86 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37569 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2080: Wednesday 17 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": "2080-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-04-17", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2080 falls on Wednesday 17 April. Trayodaśī runs from 06:00 on Wed 17 Apr to 06:08 on Thu 18 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-04-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/shivaratri?on=2080-04-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20552, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2080-04-18T06:07:51+03:30", "utc": "2080-04-18T02:37:51Z", "ms": 3480633470617.509 }, "end": { "local": "2080-04-19T05:37:12+03:30", "utc": "2080-04-19T02:07:12Z", "ms": 3480718031572.794 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2080-04-18T06:07:51+03:30", "utc": "2080-04-18T02:37:51Z", "ms": 3480633470617.509 }, "end": { "local": "2080-04-19T05:37:12+03:30", "utc": "2080-04-19T02:07:12Z", "ms": 3480718031572.794 } }, "kaala": "nishita", "days": [ { "local_date": "2080-04-17", "window": { "start": { "local": "2080-04-17T23:06:52+03:30", "utc": "2080-04-17T19:36:52Z", "ms": 3480608212384.3633 }, "end": { "local": "2080-04-17T23:54:52+03:30", "utc": "2080-04-17T20:24:52Z", "ms": 3480611092384.3633 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-04-18", "window": { "start": { "local": "2080-04-18T23:06:40+03:30", "utc": "2080-04-18T19:36:40Z", "ms": 3480694599736.346 }, "end": { "local": "2080-04-18T23:54:40+03:30", "utc": "2080-04-18T20:24:40Z", "ms": 3480697479736.346 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:08 on Thu 18 Apr to 05:37 on Fri 19 Apr.", "fact": "2080-04-18T02:37:51Z → 2080-04-19T02:07:12Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:07–23:55 on the 17th, 23:07–23:55 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20552 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2080: Thursday 18 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": "2080-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-04-18", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2080 falls on Thursday 18 April. Caturdaśī runs from 06:08 on Thu 18 Apr to 05:37 on Fri 19 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2080/shivaratri?on=2080-04-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14020, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2080-04-22T00:55:13+03:30", "utc": "2080-04-21T21:25:13Z", "ms": 3480960312635.5684 }, "end": { "local": "2080-04-22T22:38:45+03:30", "utc": "2080-04-22T19:08:45Z", "ms": 3481038524737.945 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2080-04-22T00:55:13+03:30", "utc": "2080-04-21T21:25:13Z", "ms": 3480960312635.5684 }, "end": { "local": "2080-04-22T22:38:45+03:30", "utc": "2080-04-22T19:08:45Z", "ms": 3481038524737.945 } }, "kaala": "purvahna", "days": [ { "local_date": "2080-04-22", "window": { "start": { "local": "2080-04-22T04:48:53+03:30", "utc": "2080-04-22T01:18:53Z", "ms": 3480974332966.0146 }, "end": { "local": "2080-04-22T09:16:38+03:30", "utc": "2080-04-22T05:46:38Z", "ms": 3480990397890.115 } }, "covered_min": 268, "window_min": 268, "qualifies": true }, { "local_date": "2080-04-23", "window": { "start": { "local": "2080-04-23T04:47:39+03:30", "utc": "2080-04-23T01:17:39Z", "ms": 3481060659243.9004 }, "end": { "local": "2080-04-23T09:16:06+03:30", "utc": "2080-04-23T05:46:06Z", "ms": 3481076766060.498 } }, "covered_min": 0, "window_min": 268, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:55 on Mon 22 Apr to 22:39 on Mon 22 Apr.", "fact": "2080-04-21T21:25:13Z → 2080-04-22T19:08:45Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 04:49–09:17 on the 22nd, 04:48–09:16 on the 23rd.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 268 of 268 minutes on the 22nd and 0 of 268 on the 23rd.", "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 14020 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Mashhad, 2080: Monday 22 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-04-22", "confidence": "determinate" } ], "quote": "In Mashhad, Akṣaya Tṛtīyā 2080 falls on Monday 22 April. Tṛtīyā runs from 00:55 on Mon 22 Apr to 22:39 on Mon 22 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10913, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2080-04-22T00:55:13+03:30", "utc": "2080-04-21T21:25:13Z", "ms": 3480960312635.5684 }, "end": { "local": "2080-04-22T22:38:45+03:30", "utc": "2080-04-22T19:08:45Z", "ms": 3481038524737.945 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2080-04-22T00:55:13+03:30", "utc": "2080-04-21T21:25:13Z", "ms": 3480960312635.5684 }, "end": { "local": "2080-04-22T22:38:45+03:30", "utc": "2080-04-22T19:08:45Z", "ms": 3481038524737.945 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-04-21", "window": { "start": { "local": "2080-04-21T18:11:16+03:30", "utc": "2080-04-21T14:41:16Z", "ms": 3480936075800.86 }, "end": { "local": "2080-04-21T19:36:17+03:30", "utc": "2080-04-21T16:06:17Z", "ms": 3480941176756.214 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "2080-04-22", "window": { "start": { "local": "2080-04-22T18:12:08+03:30", "utc": "2080-04-22T14:42:08Z", "ms": 3481022527738.316 }, "end": { "local": "2080-04-22T19:36:52+03:30", "utc": "2080-04-22T16:06:52Z", "ms": 3481027611939.0605 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 00:55 on Mon 22 Apr to 22:39 on Mon 22 Apr.", "fact": "2080-04-21T21:25:13Z → 2080-04-22T19:08:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:36 on the 21st, 18:12–19:37 on the 22nd.", "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 85 minutes on the 21st and 85 of 85 on the 22nd.", "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 10913 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Mashhad, 2080: Monday 22 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-04-22", "confidence": "determinate" } ], "quote": "In Mashhad, Paraśurāma Jayantī 2080 falls on Monday 22 April. Tṛtīyā runs from 00:55 on Mon 22 Apr to 22:39 on Mon 22 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-04-23", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29884, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-04-22T22:38:45+03:30", "utc": "2080-04-22T19:08:45Z", "ms": 3481038524737.945 }, "end": { "local": "2080-04-23T20:12:23+03:30", "utc": "2080-04-23T16:42:23Z", "ms": 3481116143337.6357 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2080-04-22T22:38:45+03:30", "utc": "2080-04-22T19:08:45Z", "ms": 3481038524737.945 }, "end": { "local": "2080-04-23T20:12:23+03:30", "utc": "2080-04-23T16:42:23Z", "ms": 3481116143337.6357 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-04-22", "window": { "start": { "local": "2080-04-22T11:06:30+03:30", "utc": "2080-04-22T07:36:30Z", "ms": 3480996990352.165 }, "end": { "local": "2080-04-22T11:54:30+03:30", "utc": "2080-04-22T08:24:30Z", "ms": 3480999870352.165 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-04-23", "window": { "start": { "local": "2080-04-23T11:06:19+03:30", "utc": "2080-04-23T07:36:19Z", "ms": 3481083379468.797 }, "end": { "local": "2080-04-23T11:54:19+03:30", "utc": "2080-04-23T08:24:19Z", "ms": 3481086259468.797 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:39 on Mon 22 Apr to 20:12 on Tue 23 Apr.", "fact": "2080-04-22T19:08:45Z → 2080-04-23T16:42:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 22nd, 11:06–11:54 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29884 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2080: Tuesday 23 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": "2080-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-04-23", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 2080 falls on Tuesday 23 April. Caturthī runs from 22:39 on Mon 22 Apr to 20:12 on Tue 23 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-04-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20902, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2080-04-23T20:12:23+03:30", "utc": "2080-04-23T16:42:23Z", "ms": 3481116143337.6357 }, "end": { "local": "2080-04-24T17:42:31+03:30", "utc": "2080-04-24T14:12:31Z", "ms": 3481193550817.6245 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2080-04-23T20:12:23+03:30", "utc": "2080-04-23T16:42:23Z", "ms": 3481116143337.6357 }, "end": { "local": "2080-04-24T17:42:31+03:30", "utc": "2080-04-24T14:12:31Z", "ms": 3481193550817.6245 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-04-23", "window": { "start": { "local": "2080-04-23T11:06:19+03:30", "utc": "2080-04-23T07:36:19Z", "ms": 3481083379468.797 }, "end": { "local": "2080-04-23T11:54:19+03:30", "utc": "2080-04-23T08:24:19Z", "ms": 3481086259468.797 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-04-24", "window": { "start": { "local": "2080-04-24T11:06:09+03:30", "utc": "2080-04-24T07:36:09Z", "ms": 3481169769038.064 }, "end": { "local": "2080-04-24T11:54:09+03:30", "utc": "2080-04-24T08:24:09Z", "ms": 3481172649038.064 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 20:12 on Tue 23 Apr to 17:43 on Wed 24 Apr.", "fact": "2080-04-23T16:42:23Z → 2080-04-24T14:12:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:06–11:54 on the 23rd, 11:06–11:54 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20902 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Mashhad, 2080: Wednesday 24 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-04-24", "confidence": "determinate" } ], "quote": "In Mashhad, Śaṅkara Jayantī 2080 falls on Wednesday 24 April. Pañcamī runs from 20:12 on Tue 23 Apr to 17:43 on Wed 24 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3604, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2080-04-25T15:14:46+03:30", "utc": "2080-04-25T11:44:46Z", "ms": 3481271085976.781 }, "end": { "local": "2080-04-26T12:53:54+03:30", "utc": "2080-04-26T09:23:54Z", "ms": 3481349033770.4185 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2080-04-25T15:14:46+03:30", "utc": "2080-04-25T11:44:46Z", "ms": 3481271085976.781 }, "end": { "local": "2080-04-26T12:53:54+03:30", "utc": "2080-04-26T09:23:54Z", "ms": 3481349033770.4185 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-04-25", "window": { "start": { "local": "2080-04-25T11:05:59+03:30", "utc": "2080-04-25T07:35:59Z", "ms": 3481256159067.2964 }, "end": { "local": "2080-04-25T11:53:59+03:30", "utc": "2080-04-25T08:23:59Z", "ms": 3481259039067.2964 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-04-26", "window": { "start": { "local": "2080-04-26T11:05:50+03:30", "utc": "2080-04-26T07:35:50Z", "ms": 3481342549564.338 }, "end": { "local": "2080-04-26T11:53:50+03:30", "utc": "2080-04-26T08:23:50Z", "ms": 3481345429564.338 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 15:15 on Thu 25 Apr to 12:54 on Fri 26 Apr.", "fact": "2080-04-25T11:44:46Z → 2080-04-26T09:23:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:06–11:54 on the 25th, 11:06–11:54 on the 26th.", "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 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3604 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Mashhad, 2080: Friday 26 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-04-26", "confidence": "boundary" } ], "quote": "In Mashhad, Gaṅgotpatti (Ganga Saptami) 2080 falls on Friday 26 April. Saptamī runs from 15:15 on Thu 25 Apr to 12:54 on Fri 26 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ekadashi?on=2080-04-30", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3811, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-04-29T07:06:16+03:30", "utc": "2080-04-29T03:36:16Z", "ms": 3481587375592.8867 }, "end": { "local": "2080-04-30T05:43:01+03:30", "utc": "2080-04-30T02:13:01Z", "ms": 3481668780773.274 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2080-04-29T07:06:16+03:30", "utc": "2080-04-29T03:36:16Z", "ms": 3481587375592.8867 }, "end": { "local": "2080-04-30T05:43:01+03:30", "utc": "2080-04-30T02:13:01Z", "ms": 3481668780773.274 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-04-29", "window": { "start": { "local": "2080-04-29T04:40:37+03:30", "utc": "2080-04-29T01:10:37Z", "ms": 3481578636753.751 }, "end": { "local": "2080-04-29T04:40:37+03:30", "utc": "2080-04-29T01:10:37Z", "ms": 3481578636753.751 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-04-30", "window": { "start": { "local": "2080-04-30T04:39:30+03:30", "utc": "2080-04-30T01:09:30Z", "ms": 3481664969908.7725 }, "end": { "local": "2080-04-30T04:39:30+03:30", "utc": "2080-04-30T01:09:30Z", "ms": 3481664969908.7725 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:06 on Mon 29 Apr to 05:43 on Tue 30 Apr.", "fact": "2080-04-29T03:36:16Z → 2080-04-30T02:13:01Z" }, { "step": "kaala", "text": "Sunrise is at 04:41 on the 29th and 04:39 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is on the 30th.", "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 3811 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Mashhad, 2080: Tuesday 30 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": "2080-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-04-30", "confidence": "determinate" } ], "quote": "In Mashhad, Mohinī Ekādaśī 2080 falls on Tuesday 30 April. Ekādaśī runs from 07:06 on Mon 29 Apr to 05:43 on Tue 30 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-04-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19336, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2080-04-30T05:43:01+03:30", "utc": "2080-04-30T02:13:01Z", "ms": 3481668780773.274 }, "end": { "local": "2080-05-01T04:39:00+03:30", "utc": "2080-05-01T01:09:00Z", "ms": 3481751340206.0303 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2080-04-30T05:43:01+03:30", "utc": "2080-04-30T02:13:01Z", "ms": 3481668780773.274 }, "end": { "local": "2080-05-01T04:39:00+03:30", "utc": "2080-05-01T01:09:00Z", "ms": 3481751340206.0303 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-04-30", "window": { "start": { "local": "2080-04-30T11:05:16+03:30", "utc": "2080-04-30T07:35:16Z", "ms": 3481688116409.658 }, "end": { "local": "2080-04-30T11:53:16+03:30", "utc": "2080-04-30T08:23:16Z", "ms": 3481690996409.658 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-05-01", "window": { "start": { "local": "2080-05-01T11:05:09+03:30", "utc": "2080-05-01T07:35:09Z", "ms": 3481774509384.1553 }, "end": { "local": "2080-05-01T11:53:09+03:30", "utc": "2080-05-01T08:23:09Z", "ms": 3481777389384.1553 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:43 on Tue 30 Apr to 04:39 on Wed 1 May.", "fact": "2080-04-30T02:13:01Z → 2080-05-01T01:09:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 30th, 11:05–11:53 on the 1st.", "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 30th and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19336 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Mashhad, 2080: Tuesday 30 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-04-30", "confidence": "determinate" } ], "quote": "In Mashhad, Paraśurāma Dvādaśī 2080 falls on Tuesday 30 April. Dvādaśī runs from 05:43 on Tue 30 Apr to 04:39 on Wed 1 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19336, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2080-04-30T05:43:01+03:30", "utc": "2080-04-30T02:13:01Z", "ms": 3481668780773.274 }, "end": { "local": "2080-05-01T04:39:00+03:30", "utc": "2080-05-01T01:09:00Z", "ms": 3481751340206.0303 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2080-04-30T05:43:01+03:30", "utc": "2080-04-30T02:13:01Z", "ms": 3481668780773.274 }, "end": { "local": "2080-05-01T04:39:00+03:30", "utc": "2080-05-01T01:09:00Z", "ms": 3481751340206.0303 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-04-30", "window": { "start": { "local": "2080-04-30T11:05:16+03:30", "utc": "2080-04-30T07:35:16Z", "ms": 3481688116409.658 }, "end": { "local": "2080-04-30T11:53:16+03:30", "utc": "2080-04-30T08:23:16Z", "ms": 3481690996409.658 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-05-01", "window": { "start": { "local": "2080-05-01T11:05:09+03:30", "utc": "2080-05-01T07:35:09Z", "ms": 3481774509384.1553 }, "end": { "local": "2080-05-01T11:53:09+03:30", "utc": "2080-05-01T08:23:09Z", "ms": 3481777389384.1553 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:43 on Tue 30 Apr to 04:39 on Wed 1 May.", "fact": "2080-04-30T02:13:01Z → 2080-05-01T01:09:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 30th, 11:05–11:53 on the 1st.", "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 30th and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19336 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Mashhad, 2080: Tuesday 30 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-04-30", "confidence": "determinate" } ], "quote": "In Mashhad, Rukmiṇī Dvādaśī 2080 falls on Tuesday 30 April. Dvādaśī runs from 05:43 on Tue 30 Apr to 04:39 on Wed 1 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/pradosha-vrata?on=2080-05-01", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29627, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-05-01T04:39:00+03:30", "utc": "2080-05-01T01:09:00Z", "ms": 3481751340206.0303 }, "end": { "local": "2080-05-02T03:56:01+03:30", "utc": "2080-05-02T00:26:01Z", "ms": 3481835161039.5244 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2080-05-01T04:39:00+03:30", "utc": "2080-05-01T01:09:00Z", "ms": 3481751340206.0303 }, "end": { "local": "2080-05-02T03:56:01+03:30", "utc": "2080-05-02T00:26:01Z", "ms": 3481835161039.5244 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-04-30", "window": { "start": { "local": "2080-04-30T18:19:03+03:30", "utc": "2080-04-30T14:49:03Z", "ms": 3481714142910.5444 }, "end": { "local": "2080-04-30T19:41:38+03:30", "utc": "2080-04-30T16:11:38Z", "ms": 3481719097743.9624 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "2080-05-01", "window": { "start": { "local": "2080-05-01T18:19:55+03:30", "utc": "2080-05-01T14:49:55Z", "ms": 3481800594607.131 }, "end": { "local": "2080-05-01T19:42:14+03:30", "utc": "2080-05-01T16:12:14Z", "ms": 3481805533931.5474 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:39 on Wed 1 May to 03:56 on Thu 2 May.", "fact": "2080-05-01T01:09:00Z → 2080-05-02T00:26:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–19:42 on the 30th, 18:20–19:42 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 83 minutes on the 30th and 82 of 82 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29627 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2080: Wednesday 1 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": "2080-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-05-01", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2080 falls on Wednesday 1 May. Trayodaśī runs from 04:39 on Wed 1 May to 03:56 on Thu 2 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-05-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28394, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2080-05-02T03:56:01+03:30", "utc": "2080-05-02T00:26:01Z", "ms": 3481835161039.5244 }, "end": { "local": "2080-05-03T03:36:05+03:30", "utc": "2080-05-03T00:06:05Z", "ms": 3481920364658.3955 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2080-05-02T03:56:01+03:30", "utc": "2080-05-02T00:26:01Z", "ms": 3481835161039.5244 }, "end": { "local": "2080-05-03T03:36:05+03:30", "utc": "2080-05-03T00:06:05Z", "ms": 3481920364658.3955 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-05-01", "window": { "start": { "local": "2080-05-01T18:19:55+03:30", "utc": "2080-05-01T14:49:55Z", "ms": 3481800594607.131 }, "end": { "local": "2080-05-01T19:42:14+03:30", "utc": "2080-05-01T16:12:14Z", "ms": 3481805533931.5474 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "2080-05-02", "window": { "start": { "local": "2080-05-02T18:20:46+03:30", "utc": "2080-05-02T14:50:46Z", "ms": 3481887046227.6353 }, "end": { "local": "2080-05-02T19:42:50+03:30", "utc": "2080-05-02T16:12:50Z", "ms": 3481891970207.313 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:56 on Thu 2 May to 03:36 on Fri 3 May.", "fact": "2080-05-02T00:26:01Z → 2080-05-03T00:06:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:20–19:42 on the 1st, 18:21–19:43 on the 2nd.", "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 82 minutes on the 1st and 82 of 82 on the 2nd.", "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 28394 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Mashhad, 2080: Thursday 2 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": "2080-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-05-02", "confidence": "determinate" } ], "quote": "In Mashhad, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2080 falls on Thursday 2 May. Caturdaśī runs from 03:56 on Thu 2 May to 03:36 on Fri 3 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26610, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2080-05-03T03:36:05+03:30", "utc": "2080-05-03T00:06:05Z", "ms": 3481920364658.3955 }, "end": { "local": "2080-05-04T03:41:21+03:30", "utc": "2080-05-04T00:11:21Z", "ms": 3482007081157.394 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2080-05-03T03:36:05+03:30", "utc": "2080-05-03T00:06:05Z", "ms": 3481920364658.3955 }, "end": { "local": "2080-05-04T03:41:21+03:30", "utc": "2080-05-04T00:11:21Z", "ms": 3482007081157.394 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-05-03", "window": { "start": { "local": "2080-05-03T11:04:57+03:30", "utc": "2080-05-03T07:34:57Z", "ms": 3481947296918.5684 }, "end": { "local": "2080-05-03T11:52:57+03:30", "utc": "2080-05-03T08:22:57Z", "ms": 3481950176918.5684 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-05-04", "window": { "start": { "local": "2080-05-04T11:04:51+03:30", "utc": "2080-05-04T07:34:51Z", "ms": 3482033691496.922 }, "end": { "local": "2080-05-04T11:52:51+03:30", "utc": "2080-05-04T08:22:51Z", "ms": 3482036571496.922 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:36 on Fri 3 May to 03:41 on Sat 4 May.", "fact": "2080-05-03T00:06:05Z → 2080-05-04T00:11:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 3rd, 11:05–11:53 on the 4th.", "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 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: unstated → only-day · margin 26610 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Mashhad, 2080: Friday 3 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "buddha-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-05-03", "confidence": "determinate" } ], "quote": "In Mashhad, Buddha Pūrṇimā 2080 falls on Friday 3 May. Pūrṇimā runs from 03:36 on Fri 3 May to 03:41 on Sat 4 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26610, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2080-05-03T03:36:05+03:30", "utc": "2080-05-03T00:06:05Z", "ms": 3481920364658.3955 }, "end": { "local": "2080-05-04T03:41:21+03:30", "utc": "2080-05-04T00:11:21Z", "ms": 3482007081157.394 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "2080-05-03T03:36:05+03:30", "utc": "2080-05-03T00:06:05Z", "ms": 3481920364658.3955 }, "end": { "local": "2080-05-04T03:41:21+03:30", "utc": "2080-05-04T00:11:21Z", "ms": 3482007081157.394 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-05-03", "window": { "start": { "local": "2080-05-03T11:04:57+03:30", "utc": "2080-05-03T07:34:57Z", "ms": 3481947296918.5684 }, "end": { "local": "2080-05-03T11:52:57+03:30", "utc": "2080-05-03T08:22:57Z", "ms": 3481950176918.5684 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-05-04", "window": { "start": { "local": "2080-05-04T11:04:51+03:30", "utc": "2080-05-04T07:34:51Z", "ms": 3482033691496.922 }, "end": { "local": "2080-05-04T11:52:51+03:30", "utc": "2080-05-04T08:22:51Z", "ms": 3482036571496.922 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:36 on Fri 3 May to 03:41 on Sat 4 May.", "fact": "2080-05-03T00:06:05Z → 2080-05-04T00:11:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 3rd, 11:05–11:53 on the 4th.", "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 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: paraviddha → only-day · margin 26610 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Mashhad, 2080: Friday 3 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": "2080-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-05-03", "confidence": "determinate" } ], "quote": "In Mashhad, Sampat Gaurī Vrata 2080 falls on Friday 3 May. Pūrṇimā runs from 03:36 on Fri 3 May to 03:41 on Sat 4 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/sankashta-chaturthi?on=2080-05-07", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34311, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-05-07T06:43:31+03:30", "utc": "2080-05-07T03:13:31Z", "ms": 3482277211399.5156 }, "end": { "local": "2080-05-08T08:37:36+03:30", "utc": "2080-05-08T05:07:36Z", "ms": 3482370455858.093 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2080-05-07T06:43:31+03:30", "utc": "2080-05-07T03:13:31Z", "ms": 3482277211399.5156 }, "end": { "local": "2080-05-08T08:37:36+03:30", "utc": "2080-05-08T05:07:36Z", "ms": 3482370455858.093 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-05-06", "window": { "start": { "local": "2080-05-06T21:11:41+03:30", "utc": "2080-05-06T17:41:41Z", "ms": 3482242900642.781 }, "end": { "local": "2080-05-06T21:11:41+03:30", "utc": "2080-05-06T17:41:41Z", "ms": 3482242900642.781 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-05-07", "window": { "start": { "local": "2080-05-07T22:07:58+03:30", "utc": "2080-05-07T18:37:58Z", "ms": 3482332677921.0376 }, "end": { "local": "2080-05-07T22:07:58+03:30", "utc": "2080-05-07T18:37:58Z", "ms": 3482332677921.0376 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:44 on Tue 7 May to 08:38 on Wed 8 May.", "fact": "2080-05-07T03:13:31Z → 2080-05-08T05:07:36Z" }, { "step": "kaala", "text": "Moonrise is at 21:12 on the 6th and 22:08 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34311 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2080: Tuesday 7 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": "2080-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-05-07", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2080 falls on Tuesday 7 May. Caturthī runs from 06:44 on Tue 7 May to 08:38 on Wed 8 May and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/sankashta-chaturthi?on=2080-05-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/ekadashi?on=2080-05-15", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27972, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-05-14T20:22:15+03:30", "utc": "2080-05-14T16:52:15Z", "ms": 3482931134978.364 }, "end": { "local": "2080-05-15T20:38:17+03:30", "utc": "2080-05-15T17:08:17Z", "ms": 3483018497467.449 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2080-05-14T20:22:15+03:30", "utc": "2080-05-14T16:52:15Z", "ms": 3482931134978.364 }, "end": { "local": "2080-05-15T20:38:17+03:30", "utc": "2080-05-15T17:08:17Z", "ms": 3483018497467.449 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-05-15", "window": { "start": { "local": "2080-05-15T04:25:15+03:30", "utc": "2080-05-15T00:55:15Z", "ms": 3482960114969.5566 }, "end": { "local": "2080-05-15T04:25:15+03:30", "utc": "2080-05-15T00:55:15Z", "ms": 3482960114969.5566 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-05-16", "window": { "start": { "local": "2080-05-16T04:24:29+03:30", "utc": "2080-05-16T00:54:29Z", "ms": 3483046469053.1855 }, "end": { "local": "2080-05-16T04:24:29+03:30", "utc": "2080-05-16T00:54:29Z", "ms": 3483046469053.1855 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:22 on Tue 14 May to 20:38 on Wed 15 May.", "fact": "2080-05-14T16:52:15Z → 2080-05-15T17:08:17Z" }, { "step": "kaala", "text": "Sunrise is at 04:25 on the 15th and 04:24 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 15th and is not on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27972 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Mashhad, 2080: Wednesday 15 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": "2080-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-05-15", "confidence": "determinate" } ], "quote": "In Mashhad, Aparā Ekādaśī 2080 falls on Wednesday 15 May. Ekādaśī runs from 20:22 on Tue 14 May to 20:38 on Wed 15 May and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-05-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/pradosha-vrata?on=2080-05-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 970, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-05-16T20:07:32+03:30", "utc": "2080-05-16T16:37:32Z", "ms": 3483103052103.4473 }, "end": { "local": "2080-05-17T18:51:47+03:30", "utc": "2080-05-17T15:21:47Z", "ms": 3483184907022.042 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2080-05-16T20:07:32+03:30", "utc": "2080-05-16T16:37:32Z", "ms": 3483103052103.4473 }, "end": { "local": "2080-05-17T18:51:47+03:30", "utc": "2080-05-17T15:21:47Z", "ms": 3483184907022.042 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-05-16", "window": { "start": { "local": "2080-05-16T18:32:32+03:30", "utc": "2080-05-16T15:02:32Z", "ms": 3483097352416.837 }, "end": { "local": "2080-05-16T19:51:22+03:30", "utc": "2080-05-16T16:21:22Z", "ms": 3483102082048.9067 } }, "covered_min": 0, "window_min": 79, "qualifies": false }, { "local_date": "2080-05-17", "window": { "start": { "local": "2080-05-17T18:33:21+03:30", "utc": "2080-05-17T15:03:21Z", "ms": 3483183800790.021 }, "end": { "local": "2080-05-17T19:51:58+03:30", "utc": "2080-05-17T16:21:58Z", "ms": 3483188518258.072 } }, "covered_min": 18, "window_min": 79, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:08 on Thu 16 May to 18:52 on Fri 17 May.", "fact": "2080-05-16T16:37:32Z → 2080-05-17T15:21:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:33–19:51 on the 16th, 18:33–19:52 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 79 minutes on the 16th and 18 of 79 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 970 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2080: Friday 17 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-05-16", "confidence": "boundary" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2080 falls on Friday 17 May. Trayodaśī runs from 20:08 on Thu 16 May to 18:52 on Fri 17 May and covers 18 of 79 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-05-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/shivaratri?on=2080-05-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15144, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2080-05-17T18:51:47+03:30", "utc": "2080-05-17T15:21:47Z", "ms": 3483184907022.042 }, "end": { "local": "2080-05-18T16:56:05+03:30", "utc": "2080-05-18T13:26:05Z", "ms": 3483264364855.312 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2080-05-17T18:51:47+03:30", "utc": "2080-05-17T15:21:47Z", "ms": 3483184907022.042 }, "end": { "local": "2080-05-18T16:56:05+03:30", "utc": "2080-05-18T13:26:05Z", "ms": 3483264364855.312 } }, "kaala": "nishita", "days": [ { "local_date": "2080-05-17", "window": { "start": { "local": "2080-05-17T23:04:11+03:30", "utc": "2080-05-17T19:34:11Z", "ms": 3483200051295.212 }, "end": { "local": "2080-05-17T23:52:11+03:30", "utc": "2080-05-17T20:22:11Z", "ms": 3483202931295.212 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-05-18", "window": { "start": { "local": "2080-05-18T23:04:15+03:30", "utc": "2080-05-18T19:34:15Z", "ms": 3483286454614.6553 }, "end": { "local": "2080-05-18T23:52:15+03:30", "utc": "2080-05-18T20:22:15Z", "ms": 3483289334614.6553 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:52 on Fri 17 May to 16:56 on Sat 18 May.", "fact": "2080-05-17T15:21:47Z → 2080-05-18T13:26:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:04–23:52 on the 17th, 23:04–23:52 on the 18th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15144 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2080: Friday 17 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": "2080-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-05-17", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2080 falls on Friday 17 May. Caturdaśī runs from 18:52 on Fri 17 May to 16:56 on Sat 18 May and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2080/shivaratri?on=2080-05-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9330, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2080-05-21T08:29:16+03:30", "utc": "2080-05-21T04:59:16Z", "ms": 3483493156113.0254 }, "end": { "local": "2080-05-22T05:18:03+03:30", "utc": "2080-05-22T01:48:03Z", "ms": 3483568082535.769 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2080-05-21T08:29:16+03:30", "utc": "2080-05-21T04:59:16Z", "ms": 3483493156113.0254 }, "end": { "local": "2080-05-22T05:18:03+03:30", "utc": "2080-05-22T01:48:03Z", "ms": 3483568082535.769 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-05-21", "window": { "start": { "local": "2080-05-21T11:04:46+03:30", "utc": "2080-05-21T07:34:46Z", "ms": 3483502486098.9395 }, "end": { "local": "2080-05-21T11:52:46+03:30", "utc": "2080-05-21T08:22:46Z", "ms": 3483505366098.9395 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-05-22", "window": { "start": { "local": "2080-05-22T11:04:51+03:30", "utc": "2080-05-22T07:34:51Z", "ms": 3483588890735.3955 }, "end": { "local": "2080-05-22T11:52:51+03:30", "utc": "2080-05-22T08:22:51Z", "ms": 3483591770735.3955 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 08:29 on Tue 21 May to 05:18 on Wed 22 May.", "fact": "2080-05-21T04:59:16Z → 2080-05-22T01:48:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 21st, 11:05–11:53 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9330 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Mashhad, 2080: Tuesday 21 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": "2080-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-05-21", "confidence": "determinate" } ], "quote": "In Mashhad, Rambhā Tṛtīyā 2080 falls on Tuesday 21 May. Tṛtīyā runs from 08:29 on Tue 21 May to 05:18 on Wed 22 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-05-22", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-05-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20808, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-05-22T05:18:03+03:30", "utc": "2080-05-22T01:48:03Z", "ms": 3483568082535.769 }, "end": { "local": "2080-05-23T02:11:05+03:30", "utc": "2080-05-22T22:41:05Z", "ms": 3483643264679.8965 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2080-05-22T05:18:03+03:30", "utc": "2080-05-22T01:48:03Z", "ms": 3483568082535.769 }, "end": { "local": "2080-05-23T02:11:05+03:30", "utc": "2080-05-22T22:41:05Z", "ms": 3483643264679.8965 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-05-22", "window": { "start": { "local": "2080-05-22T11:04:51+03:30", "utc": "2080-05-22T07:34:51Z", "ms": 3483588890735.3955 }, "end": { "local": "2080-05-22T11:52:51+03:30", "utc": "2080-05-22T08:22:51Z", "ms": 3483591770735.3955 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-05-23", "window": { "start": { "local": "2080-05-23T11:04:56+03:30", "utc": "2080-05-23T07:34:56Z", "ms": 3483675295860.828 }, "end": { "local": "2080-05-23T11:52:56+03:30", "utc": "2080-05-23T08:22:56Z", "ms": 3483678175860.828 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:18 on Wed 22 May to 02:11 on Thu 23 May.", "fact": "2080-05-22T01:48:03Z → 2080-05-22T22:41:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 22nd, 11:05–11:53 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20808 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2080: Wednesday 22 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": "2080-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-05-22", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 2080 falls on Wednesday 22 May. Caturthī runs from 05:18 on Wed 22 May to 02:11 on Thu 23 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-05-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31688, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2080-05-23T23:16:31+03:30", "utc": "2080-05-23T19:46:31Z", "ms": 3483719190964.7944 }, "end": { "local": "2080-05-24T20:41:10+03:30", "utc": "2080-05-24T17:11:10Z", "ms": 3483796269639.628 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2080-05-23T23:16:31+03:30", "utc": "2080-05-23T19:46:31Z", "ms": 3483719190964.7944 }, "end": { "local": "2080-05-24T20:41:10+03:30", "utc": "2080-05-24T17:11:10Z", "ms": 3483796269639.628 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-05-23", "window": { "start": { "local": "2080-05-23T11:04:56+03:30", "utc": "2080-05-23T07:34:56Z", "ms": 3483675295860.828 }, "end": { "local": "2080-05-23T11:52:56+03:30", "utc": "2080-05-23T08:22:56Z", "ms": 3483678175860.828 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-05-24", "window": { "start": { "local": "2080-05-24T11:05:01+03:30", "utc": "2080-05-24T07:35:01Z", "ms": 3483761701461.2637 }, "end": { "local": "2080-05-24T11:53:01+03:30", "utc": "2080-05-24T08:23:01Z", "ms": 3483764581461.2637 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 23:17 on Thu 23 May to 20:41 on Fri 24 May.", "fact": "2080-05-23T19:46:31Z → 2080-05-24T17:11:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 23rd, 11:05–11:53 on the 24th.", "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 23rd and 48 of 48 on the 24th.", "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 31688 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Mashhad, 2080: Friday 24 May.", "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": "2080-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-05-24", "confidence": "determinate" } ], "quote": "In Mashhad, Araṇya Gaurī Vrata 2080 falls on Friday 24 May. Ṣaṣṭhī runs from 23:17 on Thu 23 May to 20:41 on Fri 24 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31688, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2080-05-23T23:16:31+03:30", "utc": "2080-05-23T19:46:31Z", "ms": 3483719190964.7944 }, "end": { "local": "2080-05-24T20:41:10+03:30", "utc": "2080-05-24T17:11:10Z", "ms": 3483796269639.628 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2080-05-23T23:16:31+03:30", "utc": "2080-05-23T19:46:31Z", "ms": 3483719190964.7944 }, "end": { "local": "2080-05-24T20:41:10+03:30", "utc": "2080-05-24T17:11:10Z", "ms": 3483796269639.628 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-05-23", "window": { "start": { "local": "2080-05-23T11:04:56+03:30", "utc": "2080-05-23T07:34:56Z", "ms": 3483675295860.828 }, "end": { "local": "2080-05-23T11:52:56+03:30", "utc": "2080-05-23T08:22:56Z", "ms": 3483678175860.828 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-05-24", "window": { "start": { "local": "2080-05-24T11:05:01+03:30", "utc": "2080-05-24T07:35:01Z", "ms": 3483761701461.2637 }, "end": { "local": "2080-05-24T11:53:01+03:30", "utc": "2080-05-24T08:23:01Z", "ms": 3483764581461.2637 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 23:17 on Thu 23 May to 20:41 on Fri 24 May.", "fact": "2080-05-23T19:46:31Z → 2080-05-24T17:11:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 23rd, 11:05–11:53 on the 24th.", "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 23rd and 48 of 48 on the 24th.", "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 31688 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Mashhad, 2080: Friday 24 May.", "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": "2080-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-05-24", "confidence": "determinate" } ], "quote": "In Mashhad, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2080 falls on Friday 24 May. Ṣaṣṭhī runs from 23:17 on Thu 23 May to 20:41 on Fri 24 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ekadashi?on=2080-05-29", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-05-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36680, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-05-28T14:46:32+03:30", "utc": "2080-05-28T11:16:32Z", "ms": 3484120591896.6914 }, "end": { "local": "2080-05-29T14:28:15+03:30", "utc": "2080-05-29T10:58:15Z", "ms": 3484205895370.1987 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2080-05-28T14:46:32+03:30", "utc": "2080-05-28T11:16:32Z", "ms": 3484120591896.6914 }, "end": { "local": "2080-05-29T14:28:15+03:30", "utc": "2080-05-29T10:58:15Z", "ms": 3484205895370.1987 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-05-28", "window": { "start": { "local": "2080-05-28T04:17:21+03:30", "utc": "2080-05-28T00:47:21Z", "ms": 3484082840911.717 }, "end": { "local": "2080-05-28T04:17:21+03:30", "utc": "2080-05-28T00:47:21Z", "ms": 3484082840911.717 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-05-29", "window": { "start": { "local": "2080-05-29T04:16:56+03:30", "utc": "2080-05-29T00:46:56Z", "ms": 3484169215853.549 }, "end": { "local": "2080-05-29T04:16:56+03:30", "utc": "2080-05-29T00:46:56Z", "ms": 3484169215853.549 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:47 on Tue 28 May to 14:28 on Wed 29 May.", "fact": "2080-05-28T11:16:32Z → 2080-05-29T10:58:15Z" }, { "step": "kaala", "text": "Sunrise is at 04:17 on the 28th and 04:17 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36680 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Mashhad, 2080: Wednesday 29 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": "2080-05-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-05-29", "confidence": "determinate" } ], "quote": "In Mashhad, Nirjalā Ekādaśī 2080 falls on Wednesday 29 May. Ekādaśī runs from 14:47 on Tue 28 May to 14:28 on Wed 29 May and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-05-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9279, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2080-05-29T14:28:15+03:30", "utc": "2080-05-29T10:58:15Z", "ms": 3484205895370.1987 }, "end": { "local": "2080-05-30T14:35:38+03:30", "utc": "2080-05-30T11:05:38Z", "ms": 3484292738073.2173 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2080-05-29T14:28:15+03:30", "utc": "2080-05-29T10:58:15Z", "ms": 3484205895370.1987 }, "end": { "local": "2080-05-30T14:35:38+03:30", "utc": "2080-05-30T11:05:38Z", "ms": 3484292738073.2173 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-05-29", "window": { "start": { "local": "2080-05-29T11:05:36+03:30", "utc": "2080-05-29T07:35:36Z", "ms": 3484193736143.842 }, "end": { "local": "2080-05-29T11:53:36+03:30", "utc": "2080-05-29T08:23:36Z", "ms": 3484196616143.842 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-05-30", "window": { "start": { "local": "2080-05-30T11:05:44+03:30", "utc": "2080-05-30T07:35:44Z", "ms": 3484280144333.146 }, "end": { "local": "2080-05-30T11:53:44+03:30", "utc": "2080-05-30T08:23:44Z", "ms": 3484283024333.146 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 14:28 on Wed 29 May to 14:36 on Thu 30 May.", "fact": "2080-05-29T10:58:15Z → 2080-05-30T11:05:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:06–11:54 on the 29th, 11:06–11:54 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9279 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Mashhad, 2080: Thursday 30 May.", "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": "2080-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-05-30", "confidence": "determinate" } ], "quote": "In Mashhad, Śrī Rāma Dvādaśī 2080 falls on Thursday 30 May. Dvādaśī runs from 14:28 on Wed 29 May to 14:36 on Thu 30 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/pradosha-vrata?on=2080-05-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12996, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-05-30T14:35:38+03:30", "utc": "2080-05-30T11:05:38Z", "ms": 3484292738073.2173 }, "end": { "local": "2080-05-31T15:06:59+03:30", "utc": "2080-05-31T11:36:59Z", "ms": 3484381018840.633 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2080-05-30T14:35:38+03:30", "utc": "2080-05-30T11:05:38Z", "ms": 3484292738073.2173 }, "end": { "local": "2080-05-31T15:06:59+03:30", "utc": "2080-05-31T11:36:59Z", "ms": 3484381018840.633 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-05-30", "window": { "start": { "local": "2080-05-30T18:42:56+03:30", "utc": "2080-05-30T15:12:56Z", "ms": 3484307576186.3716 }, "end": { "local": "2080-05-30T19:59:22+03:30", "utc": "2080-05-30T16:29:22Z", "ms": 3484312162134.7617 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "2080-05-31", "window": { "start": { "local": "2080-05-31T18:43:35+03:30", "utc": "2080-05-31T15:13:35Z", "ms": 3484394015025.5283 }, "end": { "local": "2080-05-31T19:59:53+03:30", "utc": "2080-05-31T16:29:53Z", "ms": 3484398593131.3545 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:36 on Thu 30 May to 15:07 on Fri 31 May.", "fact": "2080-05-30T11:05:38Z → 2080-05-31T11:36:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–19:59 on the 30th, 18:44–20:00 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 76 of 76 minutes on the 30th and 0 of 76 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12996 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2080: Thursday 30 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": "2080-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-05-30", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2080 falls on Thursday 30 May. Trayodaśī runs from 14:36 on Thu 30 May to 15:07 on Fri 31 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-05-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-06-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5272, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2080-06-01T16:01:02+03:30", "utc": "2080-06-01T12:31:02Z", "ms": 3484470662294.7734 }, "end": { "local": "2080-06-02T17:16:58+03:30", "utc": "2080-06-02T13:46:58Z", "ms": 3484561617548.838 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "2080-06-01T16:01:02+03:30", "utc": "2080-06-01T12:31:02Z", "ms": 3484470662294.7734 }, "end": { "local": "2080-06-02T17:16:58+03:30", "utc": "2080-06-02T13:46:58Z", "ms": 3484561617548.838 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-06-01", "window": { "start": { "local": "2080-06-01T18:44:13+03:30", "utc": "2080-06-01T15:14:13Z", "ms": 3484480452919.1284 }, "end": { "local": "2080-06-01T20:00:24+03:30", "utc": "2080-06-01T16:30:24Z", "ms": 3484485023536.0825 } }, "covered_min": 76, "window_min": 76, "qualifies": true }, { "local_date": "2080-06-02", "window": { "start": { "local": "2080-06-02T18:44:50+03:30", "utc": "2080-06-02T15:14:50Z", "ms": 3484566889834.542 }, "end": { "local": "2080-06-02T20:00:53+03:30", "utc": "2080-06-02T16:30:53Z", "ms": 3484571453321.4053 } }, "covered_min": 0, "window_min": 76, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:01 on Sat 1 Jun to 17:17 on Sun 2 Jun.", "fact": "2080-06-01T12:31:02Z → 2080-06-02T13:46:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:44–20:00 on the 1st, 18:45–20:01 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 76 of 76 minutes on the 1st and 0 of 76 on the 2nd.", "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 5272 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Mashhad, 2080: Saturday 1 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": "2080-06-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-06-01", "confidence": "determinate" } ], "quote": "In Mashhad, Vaṭa Sāvitrī Vrata 2080 falls on Saturday 1 June. Pūrṇimā runs from 16:01 on Sat 1 Jun to 17:17 on Sun 2 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/sankashta-chaturthi?on=2080-06-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-06-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5227, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-06-05T23:02:59+03:30", "utc": "2080-06-05T19:32:59Z", "ms": 3484841579141.96 }, "end": { "local": "2080-06-07T01:26:23+03:30", "utc": "2080-06-06T21:56:23Z", "ms": 3484936583136.406 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2080-06-05T23:02:59+03:30", "utc": "2080-06-05T19:32:59Z", "ms": 3484841579141.96 }, "end": { "local": "2080-06-07T01:26:23+03:30", "utc": "2080-06-06T21:56:23Z", "ms": 3484936583136.406 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-06-05", "window": { "start": { "local": "2080-06-05T21:35:52+03:30", "utc": "2080-06-05T18:05:52Z", "ms": 3484836352185.652 }, "end": { "local": "2080-06-05T21:35:52+03:30", "utc": "2080-06-05T18:05:52Z", "ms": 3484836352185.652 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-06-06", "window": { "start": { "local": "2080-06-06T22:13:29+03:30", "utc": "2080-06-06T18:43:29Z", "ms": 3484925008503.778 }, "end": { "local": "2080-06-06T22:13:29+03:30", "utc": "2080-06-06T18:43:29Z", "ms": 3484925008503.778 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:03 on Wed 5 Jun to 01:26 on Fri 7 Jun.", "fact": "2080-06-05T19:32:59Z → 2080-06-06T21:56:23Z" }, { "step": "kaala", "text": "Moonrise is at 21:36 on the 5th and 22:13 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5227 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2080: Thursday 6 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-06-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-06-06", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2080 falls on Thursday 6 June. Caturthī runs from 23:03 on Wed 5 Jun to 01:26 on Fri 7 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/sankashta-chaturthi?on=2080-06-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/ekadashi?on=2080-06-14", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-06-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17172, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-06-13T09:59:41+03:30", "utc": "2080-06-13T06:29:41Z", "ms": 3485485780637.021 }, "end": { "local": "2080-06-14T09:00:20+03:30", "utc": "2080-06-14T05:30:20Z", "ms": 3485568619512.3735 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2080-06-13T09:59:41+03:30", "utc": "2080-06-13T06:29:41Z", "ms": 3485485780637.021 }, "end": { "local": "2080-06-14T09:00:20+03:30", "utc": "2080-06-14T05:30:20Z", "ms": 3485568619512.3735 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-06-13", "window": { "start": { "local": "2080-06-13T04:14:05+03:30", "utc": "2080-06-13T00:44:05Z", "ms": 3485465044857.4854 }, "end": { "local": "2080-06-13T04:14:05+03:30", "utc": "2080-06-13T00:44:05Z", "ms": 3485465044857.4854 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-06-14", "window": { "start": { "local": "2080-06-14T04:14:07+03:30", "utc": "2080-06-14T00:44:07Z", "ms": 3485551447103.129 }, "end": { "local": "2080-06-14T04:14:07+03:30", "utc": "2080-06-14T00:44:07Z", "ms": 3485551447103.129 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:00 on Thu 13 Jun to 09:00 on Fri 14 Jun.", "fact": "2080-06-13T06:29:41Z → 2080-06-14T05:30:20Z" }, { "step": "kaala", "text": "Sunrise is at 04:14 on the 13th and 04:14 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 13th and is on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17172 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Mashhad, 2080: Friday 14 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-06-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-06-14", "confidence": "determinate" } ], "quote": "In Mashhad, Yoginī Ekādaśī 2080 falls on Friday 14 June. Ekādaśī runs from 10:00 on Thu 13 Jun to 09:00 on Fri 14 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-06-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/pradosha-vrata?on=2080-06-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-06-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31008, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-06-15T07:12:48+03:30", "utc": "2080-06-15T03:42:48Z", "ms": 3485648567555.179 }, "end": { "local": "2080-06-16T04:42:59+03:30", "utc": "2080-06-16T01:12:59Z", "ms": 3485725978883.683 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2080-06-15T07:12:48+03:30", "utc": "2080-06-15T03:42:48Z", "ms": 3485648567555.179 }, "end": { "local": "2080-06-16T04:42:59+03:30", "utc": "2080-06-16T01:12:59Z", "ms": 3485725978883.683 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-06-14", "window": { "start": { "local": "2080-06-14T18:50:44+03:30", "utc": "2080-06-14T15:20:44Z", "ms": 3485604044342.0547 }, "end": { "local": "2080-06-14T20:05:52+03:30", "utc": "2080-06-14T16:35:52Z", "ms": 3485608551897.5 } }, "covered_min": 0, "window_min": 75, "qualifies": false }, { "local_date": "2080-06-15", "window": { "start": { "local": "2080-06-15T18:51:05+03:30", "utc": "2080-06-15T15:21:05Z", "ms": 3485690465491.009 }, "end": { "local": "2080-06-15T20:06:11+03:30", "utc": "2080-06-15T16:36:11Z", "ms": 3485694970965.9004 } }, "covered_min": 75, "window_min": 75, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:13 on Sat 15 Jun to 04:43 on Sun 16 Jun.", "fact": "2080-06-15T03:42:48Z → 2080-06-16T01:12:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:06 on the 14th, 18:51–20:06 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 75 minutes on the 14th and 75 of 75 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31008 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2080: Saturday 15 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": "2080-06-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-06-15", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2080 falls on Saturday 15 June. Trayodaśī runs from 07:13 on Sat 15 Jun to 04:43 on Sun 16 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-06-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/shivaratri?on=2080-06-16", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6144, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2080-06-16T04:42:59+03:30", "utc": "2080-06-16T01:12:59Z", "ms": 3485725978883.683 }, "end": { "local": "2080-06-17T01:39:18+03:30", "utc": "2080-06-16T22:09:18Z", "ms": 3485801358187.3228 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2080-06-16T04:42:59+03:30", "utc": "2080-06-16T01:12:59Z", "ms": 3485725978883.683 }, "end": { "local": "2080-06-17T01:39:18+03:30", "utc": "2080-06-16T22:09:18Z", "ms": 3485801358187.3228 } }, "kaala": "nishita", "days": [ { "local_date": "2080-06-15", "window": { "start": { "local": "2080-06-15T23:08:41+03:30", "utc": "2080-06-15T19:38:41Z", "ms": 3485705921021.853 }, "end": { "local": "2080-06-15T23:56:41+03:30", "utc": "2080-06-15T20:26:41Z", "ms": 3485708801021.853 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-06-16", "window": { "start": { "local": "2080-06-16T23:08:54+03:30", "utc": "2080-06-16T19:38:54Z", "ms": 3485792334454.2905 }, "end": { "local": "2080-06-16T23:56:54+03:30", "utc": "2080-06-16T20:26:54Z", "ms": 3485795214454.2905 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:43 on Sun 16 Jun to 01:39 on Mon 17 Jun.", "fact": "2080-06-16T01:12:59Z → 2080-06-16T22:09:18Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:09–23:57 on the 15th, 23:09–23:57 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6144 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2080: Sunday 16 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": "2080-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-06-16", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2080 falls on Sunday 16 June. Caturdaśī runs from 04:43 on Sun 16 Jun to 01:39 on Mon 17 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2080/shivaratri?on=2080-06-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10265, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2080-06-18T18:31:11+03:30", "utc": "2080-06-18T15:01:11Z", "ms": 3485948471000.655 }, "end": { "local": "2080-06-19T14:48:34+03:30", "utc": "2080-06-19T11:18:34Z", "ms": 3486021514303.4355 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2080-06-18T18:31:11+03:30", "utc": "2080-06-18T15:01:11Z", "ms": 3485948471000.655 }, "end": { "local": "2080-06-19T14:48:34+03:30", "utc": "2080-06-19T11:18:34Z", "ms": 3486021514303.4355 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-06-18", "window": { "start": { "local": "2080-06-18T11:09:16+03:30", "utc": "2080-06-18T07:39:16Z", "ms": 3485921956297.741 }, "end": { "local": "2080-06-18T11:57:16+03:30", "utc": "2080-06-18T08:27:16Z", "ms": 3485924836297.741 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-06-19", "window": { "start": { "local": "2080-06-19T11:09:29+03:30", "utc": "2080-06-19T07:39:29Z", "ms": 3486008369040.262 }, "end": { "local": "2080-06-19T11:57:29+03:30", "utc": "2080-06-19T08:27:29Z", "ms": 3486011249040.262 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 18:31 on Tue 18 Jun to 14:49 on Wed 19 Jun.", "fact": "2080-06-18T15:01:11Z → 2080-06-19T11:18:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 18th, 11:09–11:57 on the 19th.", "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 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10265 s" }, { "step": "ruling", "text": "Rathayātrā, Mashhad, 2080: Wednesday 19 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": "2080-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-06-19", "confidence": "determinate" } ], "quote": "In Mashhad, Rathayātrā 2080 falls on Wednesday 19 June. Dvitīyā runs from 18:31 on Tue 18 Jun to 14:49 on Wed 19 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-06-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-06-20", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 293, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-06-20T11:14:35+03:30", "utc": "2080-06-20T07:44:35Z", "ms": 3486095075123.752 }, "end": { "local": "2080-06-21T07:59:02+03:30", "utc": "2080-06-21T04:29:02Z", "ms": 3486169741669.2134 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2080-06-20T11:14:35+03:30", "utc": "2080-06-20T07:44:35Z", "ms": 3486095075123.752 }, "end": { "local": "2080-06-21T07:59:02+03:30", "utc": "2080-06-21T04:29:02Z", "ms": 3486169741669.2134 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-06-20", "window": { "start": { "local": "2080-06-20T11:09:42+03:30", "utc": "2080-06-20T07:39:42Z", "ms": 3486094781763.327 }, "end": { "local": "2080-06-20T11:57:42+03:30", "utc": "2080-06-20T08:27:42Z", "ms": 3486097661763.327 } }, "covered_min": 43, "window_min": 48, "qualifies": true }, { "local_date": "2080-06-21", "window": { "start": { "local": "2080-06-21T11:09:54+03:30", "utc": "2080-06-21T07:39:54Z", "ms": 3486181194438.2637 }, "end": { "local": "2080-06-21T11:57:54+03:30", "utc": "2080-06-21T08:27:54Z", "ms": 3486184074438.2637 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:15 on Thu 20 Jun to 07:59 on Fri 21 Jun.", "fact": "2080-06-20T07:44:35Z → 2080-06-21T04:29:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 20th, 11:10–11:58 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 43 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 293 s < 300 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2080: Thursday 20 June.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-06-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-06-20", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 2080 falls on Thursday 20 June. Caturthī runs from 11:15 on Thu 20 Jun to 07:59 on Fri 21 Jun and covers 43 of 48 minutes of madhyāhna that midday. It is 4 min 53 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-06-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-06-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11453, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2080-06-21T07:59:02+03:30", "utc": "2080-06-21T04:29:02Z", "ms": 3486169741669.2134 }, "end": { "local": "2080-06-22T05:10:20+03:30", "utc": "2080-06-22T01:40:20Z", "ms": 3486246020159.1455 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2080-06-21T07:59:02+03:30", "utc": "2080-06-21T04:29:02Z", "ms": 3486169741669.2134 }, "end": { "local": "2080-06-22T05:10:20+03:30", "utc": "2080-06-22T01:40:20Z", "ms": 3486246020159.1455 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-06-21", "window": { "start": { "local": "2080-06-21T11:09:54+03:30", "utc": "2080-06-21T07:39:54Z", "ms": 3486181194438.2637 }, "end": { "local": "2080-06-21T11:57:54+03:30", "utc": "2080-06-21T08:27:54Z", "ms": 3486184074438.2637 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-06-22", "window": { "start": { "local": "2080-06-22T11:10:07+03:30", "utc": "2080-06-22T07:40:07Z", "ms": 3486267607037.918 }, "end": { "local": "2080-06-22T11:58:07+03:30", "utc": "2080-06-22T08:28:07Z", "ms": 3486270487037.918 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 07:59 on Fri 21 Jun to 05:10 on Sat 22 Jun.", "fact": "2080-06-21T04:29:02Z → 2080-06-22T01:40:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 21st, 11:10–11:58 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11453 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Mashhad, 2080: Friday 21 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-06-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-06-21", "confidence": "determinate" } ], "quote": "In Mashhad, Skanda Pañcamī 2080 falls on Friday 21 June. Pañcamī runs from 07:59 on Fri 21 Jun to 05:10 on Sat 22 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29716, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2080-06-23T02:55:04+03:30", "utc": "2080-06-22T23:25:04Z", "ms": 3486324303757.6865 }, "end": { "local": "2080-06-24T01:17:25+03:30", "utc": "2080-06-23T21:47:25Z", "ms": 3486404845200.924 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2080-06-23T02:55:04+03:30", "utc": "2080-06-22T23:25:04Z", "ms": 3486324303757.6865 }, "end": { "local": "2080-06-24T01:17:25+03:30", "utc": "2080-06-23T21:47:25Z", "ms": 3486404845200.924 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-06-23", "window": { "start": { "local": "2080-06-23T11:10:20+03:30", "utc": "2080-06-23T07:40:20Z", "ms": 3486354019536.847 }, "end": { "local": "2080-06-23T11:58:20+03:30", "utc": "2080-06-23T08:28:20Z", "ms": 3486356899536.847 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-06-24", "window": { "start": { "local": "2080-06-24T11:10:32+03:30", "utc": "2080-06-24T07:40:32Z", "ms": 3486440431911.2236 }, "end": { "local": "2080-06-24T11:58:32+03:30", "utc": "2080-06-24T08:28:32Z", "ms": 3486443311911.2236 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 02:55 on Sun 23 Jun to 01:17 on Mon 24 Jun.", "fact": "2080-06-22T23:25:04Z → 2080-06-23T21:47:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 23rd, 11:11–11:59 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 29716 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Mashhad, 2080: Sunday 23 June.", "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": "2080-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-06-23", "confidence": "determinate" } ], "quote": "In Mashhad, Vivasvat Saptamī 2080 falls on Sunday 23 June. Saptamī runs from 02:55 on Sun 23 Jun to 01:17 on Mon 24 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ekadashi?on=2080-06-27", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-06-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11859, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-06-27T00:13:54+03:30", "utc": "2080-06-26T20:43:54Z", "ms": 3486660234127.1333 }, "end": { "local": "2080-06-28T00:59:42+03:30", "utc": "2080-06-27T21:29:42Z", "ms": 3486749382063.163 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2080-06-27T00:13:54+03:30", "utc": "2080-06-26T20:43:54Z", "ms": 3486660234127.1333 }, "end": { "local": "2080-06-28T00:59:42+03:30", "utc": "2080-06-27T21:29:42Z", "ms": 3486749382063.163 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-06-27", "window": { "start": { "local": "2080-06-27T04:16:58+03:30", "utc": "2080-06-27T00:46:58Z", "ms": 3486674818341.5474 }, "end": { "local": "2080-06-27T04:16:58+03:30", "utc": "2080-06-27T00:46:58Z", "ms": 3486674818341.5474 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-06-28", "window": { "start": { "local": "2080-06-28T04:17:21+03:30", "utc": "2080-06-28T00:47:21Z", "ms": 3486761241473.9707 }, "end": { "local": "2080-06-28T04:17:21+03:30", "utc": "2080-06-28T00:47:21Z", "ms": 3486761241473.9707 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:14 on Thu 27 Jun to 01:00 on Fri 28 Jun.", "fact": "2080-06-26T20:43:54Z → 2080-06-27T21:29:42Z" }, { "step": "kaala", "text": "Sunrise is at 04:17 on the 27th and 04:17 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11859 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Mashhad, 2080: Thursday 27 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": "2080-06-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-06-27", "confidence": "determinate" } ], "quote": "In Mashhad, Hariśayanī Ekādaśī 2080 falls on Thursday 27 June. Ekādaśī runs from 00:14 on Thu 27 Jun to 01:00 on Fri 28 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-06-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/pradosha-vrata?on=2080-06-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-06-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21771, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-06-29T02:11:24+03:30", "utc": "2080-06-28T22:41:24Z", "ms": 3486840084253.518 }, "end": { "local": "2080-06-30T03:44:29+03:30", "utc": "2080-06-30T00:14:29Z", "ms": 3486932069128.5615 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2080-06-29T02:11:24+03:30", "utc": "2080-06-28T22:41:24Z", "ms": 3486840084253.518 }, "end": { "local": "2080-06-30T03:44:29+03:30", "utc": "2080-06-30T00:14:29Z", "ms": 3486932069128.5615 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-06-28", "window": { "start": { "local": "2080-06-28T18:53:18+03:30", "utc": "2080-06-28T15:23:18Z", "ms": 3486813797985.4023 }, "end": { "local": "2080-06-28T20:08:34+03:30", "utc": "2080-06-28T16:38:34Z", "ms": 3486818313705.112 } }, "covered_min": 0, "window_min": 75, "qualifies": false }, { "local_date": "2080-06-29", "window": { "start": { "local": "2080-06-29T18:53:16+03:30", "utc": "2080-06-29T15:23:16Z", "ms": 3486900196445.0566 }, "end": { "local": "2080-06-29T20:08:36+03:30", "utc": "2080-06-29T16:38:36Z", "ms": 3486904715790.906 } }, "covered_min": 75, "window_min": 75, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:11 on Sat 29 Jun to 03:44 on Sun 30 Jun.", "fact": "2080-06-28T22:41:24Z → 2080-06-30T00:14:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:53–20:09 on the 28th, 18:53–20:09 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 75 minutes on the 28th and 75 of 75 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 21771 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2080: Saturday 29 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": "2080-06-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-06-29", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2080 falls on Saturday 29 June. Trayodaśī runs from 02:11 on Sat 29 Jun to 03:44 on Sun 30 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-06-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12716, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2080-07-01T05:35:08+03:30", "utc": "2080-07-01T02:05:08Z", "ms": 3487025107829.712 }, "end": { "local": "2080-07-02T07:40:08+03:30", "utc": "2080-07-02T04:10:08Z", "ms": 3487119008361.1787 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2080-07-01T05:35:08+03:30", "utc": "2080-07-01T02:05:08Z", "ms": 3487025107829.712 }, "end": { "local": "2080-07-02T07:40:08+03:30", "utc": "2080-07-02T04:10:08Z", "ms": 3487119008361.1787 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-07-01", "window": { "start": { "local": "2080-07-01T11:11:53+03:30", "utc": "2080-07-01T07:41:53Z", "ms": 3487045313277.7515 }, "end": { "local": "2080-07-01T11:59:53+03:30", "utc": "2080-07-01T08:29:53Z", "ms": 3487048193277.7515 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-07-02", "window": { "start": { "local": "2080-07-02T11:12:04+03:30", "utc": "2080-07-02T07:42:04Z", "ms": 3487131723921.5864 }, "end": { "local": "2080-07-02T12:00:04+03:30", "utc": "2080-07-02T08:30:04Z", "ms": 3487134603921.5864 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:35 on Mon 1 Jul to 07:40 on Tue 2 Jul.", "fact": "2080-07-01T02:05:08Z → 2080-07-02T04:10:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:12–12:00 on the 1st, 11:12–12:00 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12716 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Mashhad, 2080: Monday 1 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": "2080-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-07-01", "confidence": "determinate" } ], "quote": "In Mashhad, Guru Pūrṇimā 2080 falls on Monday 1 July. Pūrṇimā runs from 05:35 on Mon 1 Jul to 07:40 on Tue 2 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29886, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2080-07-01T05:35:08+03:30", "utc": "2080-07-01T02:05:08Z", "ms": 3487025107829.712 }, "end": { "local": "2080-07-02T07:40:08+03:30", "utc": "2080-07-02T04:10:08Z", "ms": 3487119008361.1787 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2080-07-01T05:35:08+03:30", "utc": "2080-07-01T02:05:08Z", "ms": 3487025107829.712 }, "end": { "local": "2080-07-02T07:40:08+03:30", "utc": "2080-07-02T04:10:08Z", "ms": 3487119008361.1787 } }, "kaala": "sayahna", "days": [ { "local_date": "2080-07-01", "window": { "start": { "local": "2080-07-01T15:58:14+03:30", "utc": "2080-07-01T12:28:14Z", "ms": 3487062494198.1494 }, "end": { "local": "2080-07-01T18:53:08+03:30", "utc": "2080-07-01T15:23:08Z", "ms": 3487072988145.0815 } }, "covered_min": 175, "window_min": 175, "qualifies": true }, { "local_date": "2080-07-02", "window": { "start": { "local": "2080-07-02T15:58:14+03:30", "utc": "2080-07-02T12:28:14Z", "ms": 3487148894394.4746 }, "end": { "local": "2080-07-02T18:53:01+03:30", "utc": "2080-07-02T15:23:01Z", "ms": 3487159381376.4 } }, "covered_min": 0, "window_min": 175, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:35 on Mon 1 Jul to 07:40 on Tue 2 Jul.", "fact": "2080-07-01T02:05:08Z → 2080-07-02T04:10:08Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:58–18:53 on the 1st, 15:58–18:53 on the 2nd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 175 of 175 minutes on the 1st and 0 of 175 on the 2nd.", "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 29886 s" }, { "step": "ruling", "text": "Kokilā Vrata, Mashhad, 2080: Monday 1 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": "2080-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-07-01", "confidence": "determinate" } ], "quote": "In Mashhad, Kokilā Vrata 2080 falls on Monday 1 July. Pūrṇimā runs from 05:35 on Mon 1 Jul to 07:40 on Tue 2 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33991, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2080-07-01T05:35:08+03:30", "utc": "2080-07-01T02:05:08Z", "ms": 3487025107829.712 }, "end": { "local": "2080-07-02T07:40:08+03:30", "utc": "2080-07-02T04:10:08Z", "ms": 3487119008361.1787 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2080-07-01T05:35:08+03:30", "utc": "2080-07-01T02:05:08Z", "ms": 3487025107829.712 }, "end": { "local": "2080-07-02T07:40:08+03:30", "utc": "2080-07-02T04:10:08Z", "ms": 3487119008361.1787 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-06-30", "window": { "start": { "local": "2080-06-30T18:53:13+03:30", "utc": "2080-06-30T15:23:13Z", "ms": 3486986593166.662 }, "end": { "local": "2080-06-30T20:08:37+03:30", "utc": "2080-06-30T16:38:37Z", "ms": 3486991116532.4966 } }, "covered_min": 0, "window_min": 75, "qualifies": false }, { "local_date": "2080-07-01", "window": { "start": { "local": "2080-07-01T18:53:08+03:30", "utc": "2080-07-01T15:23:08Z", "ms": 3487072988145.0815 }, "end": { "local": "2080-07-01T20:08:36+03:30", "utc": "2080-07-01T16:38:36Z", "ms": 3487077515921.307 } }, "covered_min": 75, "window_min": 75, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:35 on Mon 1 Jul to 07:40 on Tue 2 Jul.", "fact": "2080-07-01T02:05:08Z → 2080-07-02T04:10:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:53–20:09 on the 30th, 18:53–20:09 on the 1st.", "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 75 minutes on the 30th and 75 of 75 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: unstated → only-day · margin 33991 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Mashhad, 2080: Monday 1 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": "2080-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-07-01", "confidence": "determinate" } ], "quote": "In Mashhad, Śiva Śayanotsava 2080 falls on Monday 1 July. Pūrṇimā runs from 05:35 on Mon 1 Jul to 07:40 on Tue 2 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1575, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2080-07-01T05:35:08+03:30", "utc": "2080-07-01T02:05:08Z", "ms": 3487025107829.712 }, "end": { "local": "2080-07-02T07:40:08+03:30", "utc": "2080-07-02T04:10:08Z", "ms": 3487119008361.1787 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "2080-07-01T05:35:08+03:30", "utc": "2080-07-01T02:05:08Z", "ms": 3487025107829.712 }, "end": { "local": "2080-07-02T07:40:08+03:30", "utc": "2080-07-02T04:10:08Z", "ms": 3487119008361.1787 } }, "kaala": "udaya-3", "days": [ { "local_date": "2080-07-01", "window": { "start": { "local": "2080-07-01T04:18:38+03:30", "utc": "2080-07-01T00:48:38Z", "ms": 3487020518410.4214 }, "end": { "local": "2080-07-01T07:13:32+03:30", "utc": "2080-07-01T03:43:32Z", "ms": 3487031012357.3535 } }, "covered_min": 98, "window_min": 175, "qualifies": false }, { "local_date": "2080-07-02", "window": { "start": { "local": "2080-07-02T04:19:06+03:30", "utc": "2080-07-02T00:49:06Z", "ms": 3487106946466.773 }, "end": { "local": "2080-07-02T07:13:53+03:30", "utc": "2080-07-02T03:43:53Z", "ms": 3487117433448.698 } }, "covered_min": 175, "window_min": 175, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:35 on Mon 1 Jul to 07:40 on Tue 2 Jul.", "fact": "2080-07-01T02:05:08Z → 2080-07-02T04:10:08Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 04:19–07:14 on the 1st, 04:19–07:14 on the 2nd.", "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 98 of 175 minutes on the 1st and 175 of 175 on the 2nd.", "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 1575 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Mashhad, 2080: Tuesday 2 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": "2080-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-07-02", "confidence": "determinate" } ], "quote": "In Mashhad, Vyāsa Pūjā 2080 falls on Tuesday 2 July. Pūrṇimā runs from 05:35 on Mon 1 Jul to 07:40 on Tue 2 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30395, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2080-07-03T09:56:24+03:30", "utc": "2080-07-03T06:26:24Z", "ms": 3487213583874.587 }, "end": { "local": "2080-07-04T12:20:05+03:30", "utc": "2080-07-04T08:50:05Z", "ms": 3487308605215.8066 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-07-03T09:56:24+03:30", "utc": "2080-07-03T06:26:24Z", "ms": 3487213583874.587 }, "end": { "local": "2080-07-04T12:20:05+03:30", "utc": "2080-07-04T08:50:05Z", "ms": 3487308605215.8066 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-07-03", "window": { "start": { "local": "2080-07-03T20:13:13+03:30", "utc": "2080-07-03T16:43:13Z", "ms": 3487250592562.101 }, "end": { "local": "2080-07-03T20:13:13+03:30", "utc": "2080-07-03T16:43:13Z", "ms": 3487250592562.101 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-07-04", "window": { "start": { "local": "2080-07-04T20:46:40+03:30", "utc": "2080-07-04T17:16:40Z", "ms": 3487338999949.392 }, "end": { "local": "2080-07-04T20:46:40+03:30", "utc": "2080-07-04T17:16:40Z", "ms": 3487338999949.392 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 09:56 on Wed 3 Jul to 12:20 on Thu 4 Jul.", "fact": "2080-07-03T06:26:24Z → 2080-07-04T08:50:05Z" }, { "step": "kaala", "text": "Moonrise is at 20:13 on the 3rd and 20:47 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30395 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Mashhad, 2080: Wednesday 3 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": "2080-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-07-03", "confidence": "determinate" } ], "quote": "In Mashhad, Aśūnya Śayana Vrata (Āṣāḍha) 2080 falls on Wednesday 3 July. Dvitīyā runs from 09:56 on Wed 3 Jul to 12:20 on Thu 4 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/sankashta-chaturthi?on=2080-07-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16449, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-07-05T14:45:53+03:30", "utc": "2080-07-05T11:15:53Z", "ms": 3487403752869.15 }, "end": { "local": "2080-07-06T17:06:26+03:30", "utc": "2080-07-06T13:36:26Z", "ms": 3487498586261.8745 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-07-05T14:45:53+03:30", "utc": "2080-07-05T11:15:53Z", "ms": 3487403752869.15 }, "end": { "local": "2080-07-06T17:06:26+03:30", "utc": "2080-07-06T13:36:26Z", "ms": 3487498586261.8745 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-07-05", "window": { "start": { "local": "2080-07-05T21:15:18+03:30", "utc": "2080-07-05T17:45:18Z", "ms": 3487427118368.772 }, "end": { "local": "2080-07-05T21:15:18+03:30", "utc": "2080-07-05T17:45:18Z", "ms": 3487427118368.772 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-07-06", "window": { "start": { "local": "2080-07-06T21:40:35+03:30", "utc": "2080-07-06T18:10:35Z", "ms": 3487515035201.247 }, "end": { "local": "2080-07-06T21:40:35+03:30", "utc": "2080-07-06T18:10:35Z", "ms": 3487515035201.247 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:46 on Fri 5 Jul to 17:06 on Sat 6 Jul.", "fact": "2080-07-05T11:15:53Z → 2080-07-06T13:36:26Z" }, { "step": "kaala", "text": "Moonrise is at 21:15 on the 5th and 21:41 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16449 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2080: Friday 5 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": "2080-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-07-05", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2080 falls on Friday 5 July. Caturthī runs from 14:46 on Fri 5 Jul to 17:06 on Sat 6 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/sankashta-chaturthi?on=2080-07-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/ekadashi?on=2080-07-13", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28064, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-07-12T20:37:40+03:30", "utc": "2080-07-12T17:07:40Z", "ms": 3488029660255.1206 }, "end": { "local": "2080-07-13T18:33:20+03:30", "utc": "2080-07-13T15:03:20Z", "ms": 3488108599602.6587 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-07-12T20:37:40+03:30", "utc": "2080-07-12T17:07:40Z", "ms": 3488029660255.1206 }, "end": { "local": "2080-07-13T18:33:20+03:30", "utc": "2080-07-13T15:03:20Z", "ms": 3488108599602.6587 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-07-13", "window": { "start": { "local": "2080-07-13T04:25:24+03:30", "utc": "2080-07-13T00:55:24Z", "ms": 3488057724073.6885 }, "end": { "local": "2080-07-13T04:25:24+03:30", "utc": "2080-07-13T00:55:24Z", "ms": 3488057724073.6885 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-07-14", "window": { "start": { "local": "2080-07-14T04:26:04+03:30", "utc": "2080-07-14T00:56:04Z", "ms": 3488144163786.715 }, "end": { "local": "2080-07-14T04:26:04+03:30", "utc": "2080-07-14T00:56:04Z", "ms": 3488144163786.715 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:38 on Fri 12 Jul to 18:33 on Sat 13 Jul.", "fact": "2080-07-12T17:07:40Z → 2080-07-13T15:03:20Z" }, { "step": "kaala", "text": "Sunrise is at 04:25 on the 13th and 04:26 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 13th and is not on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28064 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Mashhad, 2080: Saturday 13 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": "2080-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-07-13", "confidence": "determinate" } ], "quote": "In Mashhad, Kāmikā Ekādaśī 2080 falls on Saturday 13 July. Ekādaśī runs from 20:38 on Fri 12 Jul to 18:33 on Sat 13 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-07-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/pradosha-vrata?on=2080-07-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10918, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-07-14T15:47:26+03:30", "utc": "2080-07-14T12:17:26Z", "ms": 3488185046158.662 }, "end": { "local": "2080-07-15T12:28:25+03:30", "utc": "2080-07-15T08:58:25Z", "ms": 3488259505434.097 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-07-14T15:47:26+03:30", "utc": "2080-07-14T12:17:26Z", "ms": 3488185046158.662 }, "end": { "local": "2080-07-15T12:28:25+03:30", "utc": "2080-07-15T08:58:25Z", "ms": 3488259505434.097 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-07-14", "window": { "start": { "local": "2080-07-14T18:49:24+03:30", "utc": "2080-07-14T15:19:24Z", "ms": 3488195963957.673 }, "end": { "local": "2080-07-14T20:06:23+03:30", "utc": "2080-07-14T16:36:23Z", "ms": 3488200582661.4585 } }, "covered_min": 77, "window_min": 77, "qualifies": true }, { "local_date": "2080-07-15", "window": { "start": { "local": "2080-07-15T18:48:55+03:30", "utc": "2080-07-15T15:18:55Z", "ms": 3488282334609.2065 }, "end": { "local": "2080-07-15T20:06:03+03:30", "utc": "2080-07-15T16:36:03Z", "ms": 3488286962711.9653 } }, "covered_min": 0, "window_min": 77, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:47 on Sun 14 Jul to 12:28 on Mon 15 Jul.", "fact": "2080-07-14T12:17:26Z → 2080-07-15T08:58:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:06 on the 14th, 18:49–20:06 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 77 of 77 minutes on the 14th and 0 of 77 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10918 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2080: Sunday 14 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": "2080-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-07-14", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2080 falls on Sunday 14 July. Trayodaśī runs from 15:47 on Sun 14 Jul to 12:28 on Mon 15 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-07-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/shivaratri?on=2080-07-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31452, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2080-07-15T12:28:25+03:30", "utc": "2080-07-15T08:58:25Z", "ms": 3488259505434.097 }, "end": { "local": "2080-07-16T08:46:22+03:30", "utc": "2080-07-16T05:16:22Z", "ms": 3488332581723.25 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-07-15T12:28:25+03:30", "utc": "2080-07-15T08:58:25Z", "ms": 3488259505434.097 }, "end": { "local": "2080-07-16T08:46:22+03:30", "utc": "2080-07-16T05:16:22Z", "ms": 3488332581723.25 } }, "kaala": "nishita", "days": [ { "local_date": "2080-07-14", "window": { "start": { "local": "2080-07-14T23:14:04+03:30", "utc": "2080-07-14T19:44:04Z", "ms": 3488211844096.868 }, "end": { "local": "2080-07-15T00:02:04+03:30", "utc": "2080-07-14T20:32:04Z", "ms": 3488214724096.868 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-07-15", "window": { "start": { "local": "2080-07-15T23:14:10+03:30", "utc": "2080-07-15T19:44:10Z", "ms": 3488298249994.5513 }, "end": { "local": "2080-07-16T00:02:10+03:30", "utc": "2080-07-15T20:32:10Z", "ms": 3488301129994.5513 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:28 on Mon 15 Jul to 08:46 on Tue 16 Jul.", "fact": "2080-07-15T08:58:25Z → 2080-07-16T05:16:22Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:14–00:02 on the 14th, 23:14–00:02 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31452 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2080: Monday 15 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": "2080-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-07-15", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2080 falls on Monday 15 July. Caturdaśī runs from 12:28 on Mon 15 Jul to 08:46 on Tue 16 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2080/shivaratri?on=2080-07-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-07-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-07-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10410, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-07-19T17:49:12+03:30", "utc": "2080-07-19T14:19:12Z", "ms": 3488624351759.6367 }, "end": { "local": "2080-07-20T14:55:39+03:30", "utc": "2080-07-20T11:25:39Z", "ms": 3488700339198.226 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-07-19T17:49:12+03:30", "utc": "2080-07-19T14:19:12Z", "ms": 3488624351759.6367 }, "end": { "local": "2080-07-20T14:55:39+03:30", "utc": "2080-07-20T11:25:39Z", "ms": 3488700339198.226 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-07-19", "window": { "start": { "local": "2080-07-19T11:14:06+03:30", "utc": "2080-07-19T07:44:06Z", "ms": 3488600646440.786 }, "end": { "local": "2080-07-19T12:02:06+03:30", "utc": "2080-07-19T08:32:06Z", "ms": 3488603526440.786 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-07-20", "window": { "start": { "local": "2080-07-20T11:14:09+03:30", "utc": "2080-07-20T07:44:09Z", "ms": 3488687049318.0703 }, "end": { "local": "2080-07-20T12:02:09+03:30", "utc": "2080-07-20T08:32:09Z", "ms": 3488689929318.0703 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:49 on Fri 19 Jul to 14:56 on Sat 20 Jul.", "fact": "2080-07-19T14:19:12Z → 2080-07-20T11:25:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 19th, 11:14–12:02 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "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 10410 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2080: Saturday 20 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": "2080-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-07-20", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 2080 falls on Saturday 20 July. Caturthī runs from 17:49 on Fri 19 Jul to 14:56 on Sat 20 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-07-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/ekadashi?on=2080-07-27", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27029, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-07-26T12:05:16+03:30", "utc": "2080-07-26T08:35:16Z", "ms": 3489208515575.4546 }, "end": { "local": "2080-07-27T13:45:14+03:30", "utc": "2080-07-27T10:15:14Z", "ms": 3489300914181.213 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-07-26T12:05:16+03:30", "utc": "2080-07-26T08:35:16Z", "ms": 3489208515575.4546 }, "end": { "local": "2080-07-27T13:45:14+03:30", "utc": "2080-07-27T10:15:14Z", "ms": 3489300914181.213 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-07-26", "window": { "start": { "local": "2080-07-26T04:34:46+03:30", "utc": "2080-07-26T01:04:46Z", "ms": 3489181486107.5596 }, "end": { "local": "2080-07-26T04:34:46+03:30", "utc": "2080-07-26T01:04:46Z", "ms": 3489181486107.5596 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-07-27", "window": { "start": { "local": "2080-07-27T04:35:32+03:30", "utc": "2080-07-27T01:05:32Z", "ms": 3489267932330.8677 }, "end": { "local": "2080-07-27T04:35:32+03:30", "utc": "2080-07-27T01:05:32Z", "ms": 3489267932330.8677 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:05 on Fri 26 Jul to 13:45 on Sat 27 Jul.", "fact": "2080-07-26T08:35:16Z → 2080-07-27T10:15:14Z" }, { "step": "kaala", "text": "Sunrise is at 04:35 on the 26th and 04:36 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 27029 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Mashhad, 2080: Saturday 27 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": "2080-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-07-27", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Ekādaśī 2080 falls on Saturday 27 July. Ekādaśī runs from 12:05 on Fri 26 Jul to 13:45 on Sat 27 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-07-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/pradosha-vrata?on=2080-07-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-07-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2396, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-07-28T15:45:30+03:30", "utc": "2080-07-28T12:15:30Z", "ms": 3489394529722.171 }, "end": { "local": "2080-07-29T17:59:16+03:30", "utc": "2080-07-29T14:29:16Z", "ms": 3489488955645.1494 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-07-28T15:45:30+03:30", "utc": "2080-07-28T12:15:30Z", "ms": 3489394529722.171 }, "end": { "local": "2080-07-29T17:59:16+03:30", "utc": "2080-07-29T14:29:16Z", "ms": 3489488955645.1494 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-07-28", "window": { "start": { "local": "2080-07-28T18:40:03+03:30", "utc": "2080-07-28T15:10:03Z", "ms": 3489405003095.0137 }, "end": { "local": "2080-07-28T19:59:39+03:30", "utc": "2080-07-28T16:29:39Z", "ms": 3489409779424.967 } }, "covered_min": 80, "window_min": 80, "qualifies": true }, { "local_date": "2080-07-29", "window": { "start": { "local": "2080-07-29T18:39:11+03:30", "utc": "2080-07-29T15:09:11Z", "ms": 3489491351304.8784 }, "end": { "local": "2080-07-29T19:59:01+03:30", "utc": "2080-07-29T16:29:01Z", "ms": 3489496140802.572 } }, "covered_min": 0, "window_min": 80, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:45 on Sun 28 Jul to 17:59 on Mon 29 Jul.", "fact": "2080-07-28T12:15:30Z → 2080-07-29T14:29:16Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–20:00 on the 28th, 18:39–19:59 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 80 of 80 minutes on the 28th and 0 of 80 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 2396 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2080: Sunday 28 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": "2080-07-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-07-28", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2080 falls on Sunday 28 July. Trayodaśī runs from 15:45 on Sun 28 Jul to 17:59 on Mon 29 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-07-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/sankashta-chaturthi?on=2080-08-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-08-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33396, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-08-04T05:25:03+03:30", "utc": "2080-08-04T01:55:03Z", "ms": 3489962102611.0576 }, "end": { "local": "2080-08-05T07:08:03+03:30", "utc": "2080-08-05T03:38:03Z", "ms": 3490054683135.7246 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-08-04T05:25:03+03:30", "utc": "2080-08-04T01:55:03Z", "ms": 3489962102611.0576 }, "end": { "local": "2080-08-05T07:08:03+03:30", "utc": "2080-08-05T03:38:03Z", "ms": 3490054683135.7246 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-08-03", "window": { "start": { "local": "2080-08-03T20:08:27+03:30", "utc": "2080-08-03T16:38:27Z", "ms": 3489928706765.671 }, "end": { "local": "2080-08-03T20:08:27+03:30", "utc": "2080-08-03T16:38:27Z", "ms": 3489928706765.671 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-08-04", "window": { "start": { "local": "2080-08-04T20:30:55+03:30", "utc": "2080-08-04T17:00:55Z", "ms": 3490016454698.496 }, "end": { "local": "2080-08-04T20:30:55+03:30", "utc": "2080-08-04T17:00:55Z", "ms": 3490016454698.496 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:25 on Sun 4 Aug to 07:08 on Mon 5 Aug.", "fact": "2080-08-04T01:55:03Z → 2080-08-05T03:38:03Z" }, { "step": "kaala", "text": "Moonrise is at 20:08 on the 3rd and 20:31 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33396 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2080: Sunday 4 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": "2080-08-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-08-04", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2080 falls on Sunday 4 August. Caturthī runs from 05:25 on Sun 4 Aug to 07:08 on Mon 5 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/sankashta-chaturthi?on=2080-08-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/ekadashi?on=2080-08-11", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-08-11", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 222, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-08-11T04:51:09+03:30", "utc": "2080-08-11T01:21:09Z", "ms": 3490564869382.134 }, "end": { "local": "2080-08-12T02:05:56+03:30", "utc": "2080-08-11T22:35:56Z", "ms": 3490641355867.6147 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-08-11T04:51:09+03:30", "utc": "2080-08-11T01:21:09Z", "ms": 3490564869382.134 }, "end": { "local": "2080-08-12T02:05:56+03:30", "utc": "2080-08-11T22:35:56Z", "ms": 3490641355867.6147 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-08-11", "window": { "start": { "local": "2080-08-11T04:47:27+03:30", "utc": "2080-08-11T01:17:27Z", "ms": 3490564646958.744 }, "end": { "local": "2080-08-11T04:47:27+03:30", "utc": "2080-08-11T01:17:27Z", "ms": 3490564646958.744 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-08-12", "window": { "start": { "local": "2080-08-12T04:48:15+03:30", "utc": "2080-08-12T01:18:15Z", "ms": 3490651095260.148 }, "end": { "local": "2080-08-12T04:48:15+03:30", "utc": "2080-08-12T01:18:15Z", "ms": 3490651095260.148 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:51 on Sun 11 Aug to 02:06 on Mon 12 Aug.", "fact": "2080-08-11T01:21:09Z → 2080-08-11T22:35:56Z" }, { "step": "kaala", "text": "Sunrise is at 04:47 on the 11th and 04:48 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 11th and is not on the 12th.", "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 222 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Mashhad, 2080: Sunday 11 August.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-08-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-08-11", "confidence": "boundary" } ], "quote": "In Mashhad, Kṛṣṇa Ekādaśī 2080 falls on Sunday 11 August. Ekādaśī runs from 04:51 on Sun 11 Aug to 02:06 on Mon 12 Aug, and is current at sunrise on neither day. It is 3 min 42 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-08-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/pradosha-vrata?on=2080-08-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1864, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-08-12T22:51:14+03:30", "utc": "2080-08-12T19:21:14Z", "ms": 3490716073627.1807 }, "end": { "local": "2080-08-13T19:16:02+03:30", "utc": "2080-08-13T15:46:02Z", "ms": 3490789562420.1226 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-08-12T22:51:14+03:30", "utc": "2080-08-12T19:21:14Z", "ms": 3490716073627.1807 }, "end": { "local": "2080-08-13T19:16:02+03:30", "utc": "2080-08-13T15:46:02Z", "ms": 3490789562420.1226 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-08-12", "window": { "start": { "local": "2080-08-12T18:24:47+03:30", "utc": "2080-08-12T14:54:47Z", "ms": 3490700087404.655 }, "end": { "local": "2080-08-12T19:48:02+03:30", "utc": "2080-08-12T16:18:02Z", "ms": 3490705081558.641 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "2080-08-13", "window": { "start": { "local": "2080-08-13T18:23:37+03:30", "utc": "2080-08-13T14:53:37Z", "ms": 3490786416878.8276 }, "end": { "local": "2080-08-13T19:47:07+03:30", "utc": "2080-08-13T16:17:07Z", "ms": 3490791426873.752 } }, "covered_min": 52, "window_min": 83, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:51 on Mon 12 Aug to 19:16 on Tue 13 Aug.", "fact": "2080-08-12T19:21:14Z → 2080-08-13T15:46:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:25–19:48 on the 12th, 18:24–19:47 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 83 minutes on the 12th and 52 of 83 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 1864 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2080: Tuesday 13 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": "2080-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-08-13", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2080 falls on Tuesday 13 August. Trayodaśī runs from 22:51 on Mon 12 Aug to 19:16 on Tue 13 Aug and covers 52 of 83 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-08-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/shivaratri?on=2080-08-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14202, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2080-08-13T19:16:02+03:30", "utc": "2080-08-13T15:46:02Z", "ms": 3490789562420.1226 }, "end": { "local": "2080-08-14T15:30:23+03:30", "utc": "2080-08-14T12:00:23Z", "ms": 3490862422506.635 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-08-13T19:16:02+03:30", "utc": "2080-08-13T15:46:02Z", "ms": 3490789562420.1226 }, "end": { "local": "2080-08-14T15:30:23+03:30", "utc": "2080-08-14T12:00:23Z", "ms": 3490862422506.635 } }, "kaala": "nishita", "days": [ { "local_date": "2080-08-13", "window": { "start": { "local": "2080-08-13T23:12:44+03:30", "utc": "2080-08-13T19:42:44Z", "ms": 3490803764359.794 }, "end": { "local": "2080-08-14T00:00:44+03:30", "utc": "2080-08-13T20:30:44Z", "ms": 3490806644359.794 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-08-14", "window": { "start": { "local": "2080-08-14T23:12:33+03:30", "utc": "2080-08-14T19:42:33Z", "ms": 3490890152703.8555 }, "end": { "local": "2080-08-15T00:00:33+03:30", "utc": "2080-08-14T20:30:33Z", "ms": 3490893032703.8555 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:16 on Tue 13 Aug to 15:30 on Wed 14 Aug.", "fact": "2080-08-13T15:46:02Z → 2080-08-14T12:00:23Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:13–00:01 on the 13th, 23:13–00:01 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14202 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2080: Tuesday 13 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": "2080-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-08-13", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2080 falls on Tuesday 13 August. Caturdaśī runs from 19:16 on Tue 13 Aug to 15:30 on Wed 14 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2080/shivaratri?on=2080-08-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22574, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2080-08-17T04:55:16+03:30", "utc": "2080-08-17T01:25:16Z", "ms": 3491083516457.5166 }, "end": { "local": "2080-08-18T02:10:55+03:30", "utc": "2080-08-17T22:40:55Z", "ms": 3491160054520.1133 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-08-17T04:55:16+03:30", "utc": "2080-08-17T01:25:16Z", "ms": 3491083516457.5166 }, "end": { "local": "2080-08-18T02:10:55+03:30", "utc": "2080-08-17T22:40:55Z", "ms": 3491160054520.1133 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-08-17", "window": { "start": { "local": "2080-08-17T11:11:31+03:30", "utc": "2080-08-17T07:41:31Z", "ms": 3491106090554.3965 }, "end": { "local": "2080-08-17T11:59:31+03:30", "utc": "2080-08-17T08:29:31Z", "ms": 3491108970554.3965 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-08-18", "window": { "start": { "local": "2080-08-18T11:11:17+03:30", "utc": "2080-08-18T07:41:17Z", "ms": 3491192476860.717 }, "end": { "local": "2080-08-18T11:59:17+03:30", "utc": "2080-08-18T08:29:17Z", "ms": 3491195356860.717 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 04:55 on Sat 17 Aug to 02:11 on Sun 18 Aug.", "fact": "2080-08-17T01:25:16Z → 2080-08-17T22:40:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:12–12:00 on the 17th, 11:11–11:59 on the 18th.", "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 17th and 0 of 48 on the 18th.", "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 22574 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Mashhad, 2080: Saturday 17 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-08-17", "confidence": "determinate" } ], "quote": "In Mashhad, Madhusravā Tṛtīyā (Hariyali Teej) 2080 falls on Saturday 17 August. Tṛtīyā runs from 04:55 on Sat 17 Aug to 02:11 on Sun 18 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-08-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32422, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-08-18T02:10:55+03:30", "utc": "2080-08-17T22:40:55Z", "ms": 3491160054520.1133 }, "end": { "local": "2080-08-19T00:04:25+03:30", "utc": "2080-08-18T20:34:25Z", "ms": 3491238865492.0205 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-08-18T02:10:55+03:30", "utc": "2080-08-17T22:40:55Z", "ms": 3491160054520.1133 }, "end": { "local": "2080-08-19T00:04:25+03:30", "utc": "2080-08-18T20:34:25Z", "ms": 3491238865492.0205 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-08-18", "window": { "start": { "local": "2080-08-18T11:11:17+03:30", "utc": "2080-08-18T07:41:17Z", "ms": 3491192476860.717 }, "end": { "local": "2080-08-18T11:59:17+03:30", "utc": "2080-08-18T08:29:17Z", "ms": 3491195356860.717 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-08-19", "window": { "start": { "local": "2080-08-19T11:11:03+03:30", "utc": "2080-08-19T07:41:03Z", "ms": 3491278862670.4883 }, "end": { "local": "2080-08-19T11:59:03+03:30", "utc": "2080-08-19T08:29:03Z", "ms": 3491281742670.4883 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:11 on Sun 18 Aug to 00:04 on Mon 19 Aug.", "fact": "2080-08-17T22:40:55Z → 2080-08-18T20:34:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:11–11:59 on the 18th, 11:11–11:59 on the 19th.", "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 18th and 0 of 48 on the 19th.", "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 32422 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2080: Sunday 18 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-08-18", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 2080 falls on Sunday 18 August. Caturthī runs from 02:11 on Sun 18 Aug to 00:04 on Mon 19 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-08-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38556, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2080-08-19T00:04:25+03:30", "utc": "2080-08-18T20:34:25Z", "ms": 3491238865492.0205 }, "end": { "local": "2080-08-19T22:41:39+03:30", "utc": "2080-08-19T19:11:39Z", "ms": 3491320299125.4756 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-08-19T00:04:25+03:30", "utc": "2080-08-18T20:34:25Z", "ms": 3491238865492.0205 }, "end": { "local": "2080-08-19T22:41:39+03:30", "utc": "2080-08-19T19:11:39Z", "ms": 3491320299125.4756 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-08-18", "window": { "start": { "local": "2080-08-18T11:11:17+03:30", "utc": "2080-08-18T07:41:17Z", "ms": 3491192476860.717 }, "end": { "local": "2080-08-18T11:59:17+03:30", "utc": "2080-08-18T08:29:17Z", "ms": 3491195356860.717 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-08-19", "window": { "start": { "local": "2080-08-19T11:11:03+03:30", "utc": "2080-08-19T07:41:03Z", "ms": 3491278862670.4883 }, "end": { "local": "2080-08-19T11:59:03+03:30", "utc": "2080-08-19T08:29:03Z", "ms": 3491281742670.4883 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 00:04 on Mon 19 Aug to 22:42 on Mon 19 Aug.", "fact": "2080-08-18T20:34:25Z → 2080-08-19T19:11:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:11–11:59 on the 18th, 11:11–11:59 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 38556 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Mashhad, 2080: Monday 19 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-08-19", "confidence": "determinate" } ], "quote": "In Mashhad, Nāga Pañcamī 2080 falls on Monday 19 August. Pañcamī runs from 00:04 on Mon 19 Aug to 22:42 on Mon 19 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ekadashi?on=2080-08-25", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-08-25", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 137, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-08-25T02:40:17+03:30", "utc": "2080-08-24T23:10:17Z", "ms": 3491766617495.364 }, "end": { "local": "2080-08-26T04:57:09+03:30", "utc": "2080-08-26T01:27:09Z", "ms": 3491861228804.159 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-08-25T02:40:17+03:30", "utc": "2080-08-24T23:10:17Z", "ms": 3491766617495.364 }, "end": { "local": "2080-08-26T04:57:09+03:30", "utc": "2080-08-26T01:27:09Z", "ms": 3491861228804.159 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-08-25", "window": { "start": { "local": "2080-08-25T04:58:38+03:30", "utc": "2080-08-25T01:28:38Z", "ms": 3491774918127.3677 }, "end": { "local": "2080-08-25T04:58:38+03:30", "utc": "2080-08-25T01:28:38Z", "ms": 3491774918127.3677 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-08-26", "window": { "start": { "local": "2080-08-26T04:59:25+03:30", "utc": "2080-08-26T01:29:25Z", "ms": 3491861365368.362 }, "end": { "local": "2080-08-26T04:59:25+03:30", "utc": "2080-08-26T01:29:25Z", "ms": 3491861365368.362 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:40 on Sun 25 Aug to 04:57 on Mon 26 Aug.", "fact": "2080-08-24T23:10:17Z → 2080-08-26T01:27:09Z" }, { "step": "kaala", "text": "Sunrise is at 04:59 on the 25th and 04:59 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 137 s < 300 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Mashhad, 2080: Sunday 25 August.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-08-25", "confidence": "boundary" } ], "quote": "In Mashhad, Putradā Ekādaśī 2080 falls on Sunday 25 August. Ekādaśī runs from 02:40 on Sun 25 Aug to 04:57 on Mon 26 Aug and is current at sunrise that day. It is 2 min 17 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-08-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13584, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2080-08-26T04:57:09+03:30", "utc": "2080-08-26T01:27:09Z", "ms": 3491861228804.159 }, "end": { "local": "2080-08-27T07:22:29+03:30", "utc": "2080-08-27T03:52:29Z", "ms": 3491956348506.68 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-08-26T04:57:09+03:30", "utc": "2080-08-26T01:27:09Z", "ms": 3491861228804.159 }, "end": { "local": "2080-08-27T07:22:29+03:30", "utc": "2080-08-27T03:52:29Z", "ms": 3491956348506.68 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-08-26", "window": { "start": { "local": "2080-08-26T11:09:10+03:30", "utc": "2080-08-26T07:39:10Z", "ms": 3491883550434.9966 }, "end": { "local": "2080-08-26T11:57:10+03:30", "utc": "2080-08-26T08:27:10Z", "ms": 3491886430434.9966 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-08-27", "window": { "start": { "local": "2080-08-27T11:08:53+03:30", "utc": "2080-08-27T07:38:53Z", "ms": 3491969932732.7153 }, "end": { "local": "2080-08-27T11:56:53+03:30", "utc": "2080-08-27T08:26:53Z", "ms": 3491972812732.7153 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:57 on Mon 26 Aug to 07:22 on Tue 27 Aug.", "fact": "2080-08-26T01:27:09Z → 2080-08-27T03:52:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 26th, 11:09–11:57 on the 27th.", "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 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13584 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Mashhad, 2080: Monday 26 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": "2080-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-08-26", "confidence": "determinate" } ], "quote": "In Mashhad, Dāmodara Dvādaśī 2080 falls on Monday 26 August. Dvādaśī runs from 04:57 on Mon 26 Aug to 07:22 on Tue 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/pradosha-vrata?on=2080-08-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29783, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-08-27T07:22:29+03:30", "utc": "2080-08-27T03:52:29Z", "ms": 3491956348506.68 }, "end": { "local": "2080-08-28T09:47:47+03:30", "utc": "2080-08-28T06:17:47Z", "ms": 3492051467082.1177 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-08-27T07:22:29+03:30", "utc": "2080-08-27T03:52:29Z", "ms": 3491956348506.68 }, "end": { "local": "2080-08-28T09:47:47+03:30", "utc": "2080-08-28T06:17:47Z", "ms": 3492051467082.1177 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-08-27", "window": { "start": { "local": "2080-08-27T18:05:33+03:30", "utc": "2080-08-27T14:35:33Z", "ms": 3491994932957.905 }, "end": { "local": "2080-08-27T19:32:57+03:30", "utc": "2080-08-27T16:02:57Z", "ms": 3492000176503.4717 } }, "covered_min": 87, "window_min": 87, "qualifies": true }, { "local_date": "2080-08-28", "window": { "start": { "local": "2080-08-28T18:04:10+03:30", "utc": "2080-08-28T14:34:10Z", "ms": 3492081249776.3696 }, "end": { "local": "2080-08-28T19:31:51+03:30", "utc": "2080-08-28T16:01:51Z", "ms": 3492086510672.9565 } }, "covered_min": 0, "window_min": 88, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:22 on Tue 27 Aug to 09:48 on Wed 28 Aug.", "fact": "2080-08-27T03:52:29Z → 2080-08-28T06:17:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:33 on the 27th, 18:04–19:32 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 87 of 87 minutes on the 27th and 0 of 88 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 29783 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2080: Tuesday 27 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": "2080-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-08-27", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2080 falls on Tuesday 27 August. Trayodaśī runs from 07:22 on Tue 27 Aug to 09:48 on Wed 28 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-08-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-08-30", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 13898, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2080-08-29T12:06:08+03:30", "utc": "2080-08-29T08:36:08Z", "ms": 3492146167582.8467 }, "end": { "local": "2080-08-30T14:12:02+03:30", "utc": "2080-08-30T10:42:02Z", "ms": 3492240121560.6484 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "2080-08-30T01:10:56+03:30", "utc": "2080-08-29T21:40:56Z", "ms": 3492193255514.193 }, "end": { "local": "2080-08-30T14:12:02+03:30", "utc": "2080-08-30T10:42:02Z", "ms": 3492240121560.6484 } }, "kaala": "day", "days": [ { "local_date": "2080-08-29", "window": { "start": { "local": "2080-08-29T05:01:47+03:30", "utc": "2080-08-29T01:31:47Z", "ms": 3492120706500.773 }, "end": { "local": "2080-08-30T05:02:33+03:30", "utc": "2080-08-30T01:32:33Z", "ms": 3492207153368.062 } }, "covered_min": 232, "window_min": 1441, "qualifies": true }, { "local_date": "2080-08-30", "window": { "start": { "local": "2080-08-30T05:02:33+03:30", "utc": "2080-08-30T01:32:33Z", "ms": 3492207153368.062 }, "end": { "local": "2080-08-31T05:03:20+03:30", "utc": "2080-08-31T01:33:20Z", "ms": 3492293600159.7656 } }, "covered_min": 549, "window_min": 1441, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:06 on Thu 29 Aug to 14:12 on Fri 30 Aug. Its second half begins at 01:11 on Fri 30 Aug.", "fact": "2080-08-29T08:36:08Z → 2080-08-30T10:42:02Z · second half from 2080-08-29T21:40:56Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:02 on the 29th, and from 05:03 on the 30th.", "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 232 of 1441 minutes on the 29th and 549 of 1441 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 13898 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Mashhad, 2080: Friday 30 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-08-30", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-08-30", "confidence": "boundary" } ], "quote": "In Mashhad, Rakṣā Bandhana (Rakhi) 2080 falls on Friday 30 August. The second half of Pūrṇimā runs from 01:11 on Fri 30 Aug to 14:12 on Fri 30 Aug and falls on two days: 549 minutes of it on the 30th, 232 on the 29th; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 591, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2080-08-29T12:06:08+03:30", "utc": "2080-08-29T08:36:08Z", "ms": 3492146167582.8467 }, "end": { "local": "2080-08-30T14:12:02+03:30", "utc": "2080-08-30T10:42:02Z", "ms": 3492240121560.6484 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "2080-08-29T12:06:08+03:30", "utc": "2080-08-29T08:36:08Z", "ms": 3492146167582.8467 }, "end": { "local": "2080-08-30T14:12:02+03:30", "utc": "2080-08-30T10:42:02Z", "ms": 3492240121560.6484 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-08-29", "window": { "start": { "local": "2080-08-29T11:08:16+03:30", "utc": "2080-08-29T07:38:16Z", "ms": 3492142696244.1045 }, "end": { "local": "2080-08-29T11:56:16+03:30", "utc": "2080-08-29T08:26:16Z", "ms": 3492145576244.1045 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-08-30", "window": { "start": { "local": "2080-08-30T11:07:57+03:30", "utc": "2080-08-30T07:37:57Z", "ms": 3492229077494.767 }, "end": { "local": "2080-08-30T11:55:57+03:30", "utc": "2080-08-30T08:25:57Z", "ms": 3492231957494.767 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:06 on Thu 29 Aug to 14:12 on Fri 30 Aug.", "fact": "2080-08-29T08:36:08Z → 2080-08-30T10:42:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 29th, 11:08–11:56 on the 30th.", "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 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 591 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Mashhad, 2080: Friday 30 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": "2080-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-08-30", "confidence": "boundary" } ], "quote": "In Mashhad, Ṛṣi Tarpaṇa 2080 falls on Friday 30 August. Pūrṇimā runs from 12:06 on Thu 29 Aug to 14:12 on Fri 30 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5337, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2080-08-31T16:01:06+03:30", "utc": "2080-08-31T12:31:06Z", "ms": 3492333066217.207 }, "end": { "local": "2080-09-01T17:29:36+03:30", "utc": "2080-09-01T13:59:36Z", "ms": 3492424776306.8467 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-08-31T16:01:06+03:30", "utc": "2080-08-31T12:31:06Z", "ms": 3492333066217.207 }, "end": { "local": "2080-09-01T17:29:36+03:30", "utc": "2080-09-01T13:59:36Z", "ms": 3492424776306.8467 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-08-31", "window": { "start": { "local": "2080-08-31T18:36:09+03:30", "utc": "2080-08-31T15:06:09Z", "ms": 3492342368888.7954 }, "end": { "local": "2080-08-31T18:36:09+03:30", "utc": "2080-08-31T15:06:09Z", "ms": 3492342368888.7954 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-09-01", "window": { "start": { "local": "2080-09-01T18:58:33+03:30", "utc": "2080-09-01T15:28:33Z", "ms": 3492430113027.382 }, "end": { "local": "2080-09-01T18:58:33+03:30", "utc": "2080-09-01T15:28:33Z", "ms": 3492430113027.382 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 16:01 on Sat 31 Aug to 17:30 on Sun 1 Sep.", "fact": "2080-08-31T12:31:06Z → 2080-09-01T13:59:36Z" }, { "step": "kaala", "text": "Moonrise is at 18:36 on the 31st and 18:59 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 31st and is not on the 1st.", "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 5337 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Mashhad, 2080: Saturday 31 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": "2080-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-08-31", "confidence": "determinate" } ], "quote": "In Mashhad, Aśūnya Śayana Vrata 2080 falls on Saturday 31 August. Dvitīyā runs from 16:01 on Sat 31 Aug to 17:30 on Sun 1 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20057, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2080-09-01T17:29:36+03:30", "utc": "2080-09-01T13:59:36Z", "ms": 3492424776306.8467 }, "end": { "local": "2080-09-02T18:34:03+03:30", "utc": "2080-09-02T15:04:03Z", "ms": 3492515042758.6353 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-01T17:29:36+03:30", "utc": "2080-09-01T13:59:36Z", "ms": 3492424776306.8467 }, "end": { "local": "2080-09-02T18:34:03+03:30", "utc": "2080-09-02T15:04:03Z", "ms": 3492515042758.6353 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-09-01", "window": { "start": { "local": "2080-09-01T11:07:19+03:30", "utc": "2080-09-01T07:37:19Z", "ms": 3492401839082.3447 }, "end": { "local": "2080-09-01T11:55:19+03:30", "utc": "2080-09-01T08:25:19Z", "ms": 3492404719082.3447 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-09-02", "window": { "start": { "local": "2080-09-02T11:06:59+03:30", "utc": "2080-09-02T07:36:59Z", "ms": 3492488219459.0205 }, "end": { "local": "2080-09-02T11:54:59+03:30", "utc": "2080-09-02T08:24:59Z", "ms": 3492491099459.0205 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 17:30 on Sun 1 Sep to 18:34 on Mon 2 Sep.", "fact": "2080-09-01T13:59:36Z → 2080-09-02T15:04:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 1st, 11:07–11:55 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 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: paraviddha → only-day · margin 20057 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Mashhad, 2080: Monday 2 September.", "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": "2080-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-02", "confidence": "determinate" } ], "quote": "In Mashhad, Kajjalī Tṛtīyā (Kajari Teej) 2080 falls on Monday 2 September. Tṛtīyā runs from 17:30 on Sun 1 Sep to 18:34 on Mon 2 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/sankashta-chaturthi?on=2080-09-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2164, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-09-02T18:34:03+03:30", "utc": "2080-09-02T15:04:03Z", "ms": 3492515042758.6353 }, "end": { "local": "2080-09-03T19:11:06+03:30", "utc": "2080-09-03T15:41:06Z", "ms": 3492603665644.858 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-02T18:34:03+03:30", "utc": "2080-09-02T15:04:03Z", "ms": 3492515042758.6353 }, "end": { "local": "2080-09-03T19:11:06+03:30", "utc": "2080-09-03T15:41:06Z", "ms": 3492603665644.858 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-09-02", "window": { "start": { "local": "2080-09-02T19:21:46+03:30", "utc": "2080-09-02T15:51:46Z", "ms": 3492517906268.4863 }, "end": { "local": "2080-09-02T19:21:46+03:30", "utc": "2080-09-02T15:51:46Z", "ms": 3492517906268.4863 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-09-03", "window": { "start": { "local": "2080-09-03T19:47:10+03:30", "utc": "2080-09-03T16:17:10Z", "ms": 3492605829775.1816 }, "end": { "local": "2080-09-03T19:47:10+03:30", "utc": "2080-09-03T16:17:10Z", "ms": 3492605829775.1816 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:34 on Mon 2 Sep to 19:11 on Tue 3 Sep.", "fact": "2080-09-02T15:04:03Z → 2080-09-03T15:41:06Z" }, { "step": "kaala", "text": "Moonrise is at 19:22 on the 2nd and 19:47 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 2nd and is not on the 3rd.", "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 2164 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2080: Monday 2 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": "2080-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-02", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2080 falls on Monday 2 September. Caturthī runs from 18:34 on Mon 2 Sep to 19:11 on Tue 3 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/sankashta-chaturthi?on=2080-09-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2217, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-09-02T18:34:03+03:30", "utc": "2080-09-02T15:04:03Z", "ms": 3492515042758.6353 }, "end": { "local": "2080-09-03T19:11:06+03:30", "utc": "2080-09-03T15:41:06Z", "ms": 3492603665644.858 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-02T18:34:03+03:30", "utc": "2080-09-02T15:04:03Z", "ms": 3492515042758.6353 }, "end": { "local": "2080-09-03T19:11:06+03:30", "utc": "2080-09-03T15:41:06Z", "ms": 3492603665644.858 } }, "kaala": "sayahna", "days": [ { "local_date": "2080-09-02", "window": { "start": { "local": "2080-09-02T15:22:39+03:30", "utc": "2080-09-02T11:52:39Z", "ms": 3492503559002.0967 }, "end": { "local": "2080-09-02T17:57:05+03:30", "utc": "2080-09-02T14:27:05Z", "ms": 3492512825364.1475 } }, "covered_min": 0, "window_min": 154, "qualifies": false }, { "local_date": "2080-09-03", "window": { "start": { "local": "2080-09-03T15:21:39+03:30", "utc": "2080-09-03T11:51:39Z", "ms": 3492589899229.2944 }, "end": { "local": "2080-09-03T17:55:39+03:30", "utc": "2080-09-03T14:25:39Z", "ms": 3492599138992.428 } }, "covered_min": 154, "window_min": 154, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:34 on Mon 2 Sep to 19:11 on Tue 3 Sep.", "fact": "2080-09-02T15:04:03Z → 2080-09-03T15:41:06Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:23–17:57 on the 2nd, 15:22–17:56 on the 3rd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 0 of 154 minutes on the 2nd and 154 of 154 on the 3rd.", "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 2217 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Mashhad, 2080: Tuesday 3 September.", "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": "2080-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-03", "confidence": "determinate" } ], "quote": "In Mashhad, Bahulā Caturthī 2080 falls on Tuesday 3 September. Caturthī runs from 18:34 on Mon 2 Sep to 19:11 on Tue 3 Sep and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25057, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2080-09-04T19:17:44+03:30", "utc": "2080-09-04T15:47:44Z", "ms": 3492690463560.0386 }, "end": { "local": "2080-09-05T18:51:36+03:30", "utc": "2080-09-05T15:21:36Z", "ms": 3492775295910.097 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-04T19:17:44+03:30", "utc": "2080-09-04T15:47:44Z", "ms": 3492690463560.0386 }, "end": { "local": "2080-09-05T18:51:36+03:30", "utc": "2080-09-05T15:21:36Z", "ms": 3492775295910.097 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-09-04", "window": { "start": { "local": "2080-09-04T11:06:19+03:30", "utc": "2080-09-04T07:36:19Z", "ms": 3492660979479.4575 }, "end": { "local": "2080-09-04T11:54:19+03:30", "utc": "2080-09-04T08:24:19Z", "ms": 3492663859479.4575 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-09-05", "window": { "start": { "local": "2080-09-05T11:05:59+03:30", "utc": "2080-09-05T07:35:59Z", "ms": 3492747359163.963 }, "end": { "local": "2080-09-05T11:53:59+03:30", "utc": "2080-09-05T08:23:59Z", "ms": 3492750239163.963 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:18 on Wed 4 Sep to 18:52 on Thu 5 Sep.", "fact": "2080-09-04T15:47:44Z → 2080-09-05T15:21:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:06–11:54 on the 4th, 11:06–11:54 on the 5th.", "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 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25057 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Mashhad, 2080: Thursday 5 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-05", "confidence": "determinate" } ], "quote": "In Mashhad, Hala Ṣaṣṭhī 2080 falls on Thursday 5 September. Ṣaṣṭhī runs from 19:18 on Wed 4 Sep to 18:52 on Thu 5 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18871, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2080-09-06T17:51:31+03:30", "utc": "2080-09-06T14:21:31Z", "ms": 3492858090510.1514 }, "end": { "local": "2080-09-07T16:17:48+03:30", "utc": "2080-09-07T12:47:48Z", "ms": 3492938867698.1636 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-06T17:51:31+03:30", "utc": "2080-09-06T14:21:31Z", "ms": 3492858090510.1514 }, "end": { "local": "2080-09-07T16:17:48+03:30", "utc": "2080-09-07T12:47:48Z", "ms": 3492938867698.1636 } }, "kaala": "nishita", "days": [ { "local_date": "2080-09-06", "window": { "start": { "local": "2080-09-06T23:06:02+03:30", "utc": "2080-09-06T19:36:02Z", "ms": 3492876961931.212 }, "end": { "local": "2080-09-06T23:54:02+03:30", "utc": "2080-09-06T20:24:02Z", "ms": 3492879841931.212 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-09-07", "window": { "start": { "local": "2080-09-07T23:05:41+03:30", "utc": "2080-09-07T19:35:41Z", "ms": 3492963341257.832 }, "end": { "local": "2080-09-07T23:53:41+03:30", "utc": "2080-09-07T20:23:41Z", "ms": 3492966221257.832 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:52 on Fri 6 Sep to 16:18 on Sat 7 Sep.", "fact": "2080-09-06T14:21:31Z → 2080-09-07T12:47:48Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:06–23:54 on the 6th, 23:06–23:54 on the 7th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18871 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Mashhad, 2080: Friday 6 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-06", "confidence": "determinate" } ], "quote": "In Mashhad, Janmāṣṭamī 2080 falls on Friday 6 September. Aṣṭamī runs from 17:52 on Fri 6 Sep to 16:18 on Sat 7 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21472, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "2080-09-05T18:51:36+03:30", "utc": "2080-09-05T15:21:36Z", "ms": 3492775295910.097 }, "end": { "local": "2080-09-06T17:51:31+03:30", "utc": "2080-09-06T14:21:31Z", "ms": 3492858090510.1514 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-05T18:51:36+03:30", "utc": "2080-09-05T15:21:36Z", "ms": 3492775295910.097 }, "end": { "local": "2080-09-06T17:51:31+03:30", "utc": "2080-09-06T14:21:31Z", "ms": 3492858090510.1514 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-09-05", "window": { "start": { "local": "2080-09-05T11:05:59+03:30", "utc": "2080-09-05T07:35:59Z", "ms": 3492747359163.963 }, "end": { "local": "2080-09-05T11:53:59+03:30", "utc": "2080-09-05T08:23:59Z", "ms": 3492750239163.963 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-09-06", "window": { "start": { "local": "2080-09-06T11:05:39+03:30", "utc": "2080-09-06T07:35:39Z", "ms": 3492833738658.256 }, "end": { "local": "2080-09-06T11:53:39+03:30", "utc": "2080-09-06T08:23:39Z", "ms": 3492836618658.256 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 18:52 on Thu 5 Sep to 17:52 on Fri 6 Sep.", "fact": "2080-09-05T15:21:36Z → 2080-09-06T14:21:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:06–11:54 on the 5th, 11:06–11:54 on the 6th.", "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 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21472 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Mashhad, 2080: Friday 6 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-06", "confidence": "determinate" } ], "quote": "In Mashhad, Śītalā Saptamī 2080 falls on Friday 6 September. Saptamī runs from 18:52 on Thu 5 Sep to 17:52 on Fri 6 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ekadashi?on=2080-09-10", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12826, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-09-09T11:39:45+03:30", "utc": "2080-09-09T08:09:45Z", "ms": 3493094984923.8306 }, "end": { "local": "2080-09-10T08:44:52+03:30", "utc": "2080-09-10T05:14:52Z", "ms": 3493170892343.741 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-09T11:39:45+03:30", "utc": "2080-09-09T08:09:45Z", "ms": 3493094984923.8306 }, "end": { "local": "2080-09-10T08:44:52+03:30", "utc": "2080-09-10T05:14:52Z", "ms": 3493170892343.741 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-09-09", "window": { "start": { "local": "2080-09-09T05:10:20+03:30", "utc": "2080-09-09T01:40:20Z", "ms": 3493071619540.0464 }, "end": { "local": "2080-09-09T05:10:20+03:30", "utc": "2080-09-09T01:40:20Z", "ms": 3493071619540.0464 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-09-10", "window": { "start": { "local": "2080-09-10T05:11:06+03:30", "utc": "2080-09-10T01:41:06Z", "ms": 3493158066126.1143 }, "end": { "local": "2080-09-10T05:11:06+03:30", "utc": "2080-09-10T01:41:06Z", "ms": 3493158066126.1143 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:40 on Mon 9 Sep to 08:45 on Tue 10 Sep.", "fact": "2080-09-09T08:09:45Z → 2080-09-10T05:14:52Z" }, { "step": "kaala", "text": "Sunrise is at 05:10 on the 9th and 05:11 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 12826 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Mashhad, 2080: Tuesday 10 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": "2080-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-10", "confidence": "determinate" } ], "quote": "In Mashhad, Ajā Ekādaśī 2080 falls on Tuesday 10 September. Ekādaśī runs from 11:40 on Mon 9 Sep to 08:45 on Tue 10 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-09-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/pradosha-vrata?on=2080-09-11", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25310, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-09-11T05:34:51+03:30", "utc": "2080-09-11T02:04:51Z", "ms": 3493245890642.992 }, "end": { "local": "2080-09-12T02:17:35+03:30", "utc": "2080-09-11T22:47:35Z", "ms": 3493320455356.233 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-11T05:34:51+03:30", "utc": "2080-09-11T02:04:51Z", "ms": 3493245890642.992 }, "end": { "local": "2080-09-12T02:17:35+03:30", "utc": "2080-09-11T22:47:35Z", "ms": 3493320455356.233 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-09-10", "window": { "start": { "local": "2080-09-10T17:45:24+03:30", "utc": "2080-09-10T14:15:24Z", "ms": 3493203324111.374 }, "end": { "local": "2080-09-10T19:16:56+03:30", "utc": "2080-09-10T15:46:56Z", "ms": 3493208815928.3853 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2080-09-11", "window": { "start": { "local": "2080-09-11T17:43:55+03:30", "utc": "2080-09-11T14:13:55Z", "ms": 3493289635149.479 }, "end": { "local": "2080-09-11T19:15:45+03:30", "utc": "2080-09-11T15:45:45Z", "ms": 3493295145047.381 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:35 on Wed 11 Sep to 02:18 on Thu 12 Sep.", "fact": "2080-09-11T02:04:51Z → 2080-09-11T22:47:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:45–19:17 on the 10th, 17:44–19:16 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 92 minutes on the 10th and 92 of 92 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 25310 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2080: Wednesday 11 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": "2080-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-11", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2080 falls on Wednesday 11 September. Trayodaśī runs from 05:35 on Wed 11 Sep to 02:18 on Thu 12 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-09-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/shivaratri?on=2080-09-11", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-11", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 133, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2080-09-12T02:17:35+03:30", "utc": "2080-09-11T22:47:35Z", "ms": 3493320455356.233 }, "end": { "local": "2080-09-12T23:01:43+03:30", "utc": "2080-09-12T19:31:43Z", "ms": 3493395103051.0073 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-12T02:17:35+03:30", "utc": "2080-09-11T22:47:35Z", "ms": 3493320455356.233 }, "end": { "local": "2080-09-12T23:01:43+03:30", "utc": "2080-09-12T19:31:43Z", "ms": 3493395103051.0073 } }, "kaala": "nishita", "days": [ { "local_date": "2080-09-11", "window": { "start": { "local": "2080-09-11T23:04:17+03:30", "utc": "2080-09-11T19:34:17Z", "ms": 3493308857266.6113 }, "end": { "local": "2080-09-11T23:52:17+03:30", "utc": "2080-09-11T20:22:17Z", "ms": 3493311737266.6113 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-09-12", "window": { "start": { "local": "2080-09-12T23:03:56+03:30", "utc": "2080-09-12T19:33:56Z", "ms": 3493395236027.1743 }, "end": { "local": "2080-09-12T23:51:56+03:30", "utc": "2080-09-12T20:21:56Z", "ms": 3493398116027.1743 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:18 on Thu 12 Sep to 23:02 on Thu 12 Sep.", "fact": "2080-09-11T22:47:35Z → 2080-09-12T19:31:43Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:04–23:52 on the 11th, 23:04–23:52 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither night qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 133 s < 300 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2080: Wednesday 11 September.", "fact": "confidence: boundary (margin, absent-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": "2080-09-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-11", "confidence": "boundary" } ], "quote": "In Mashhad, Śivarātri 2080 falls on Wednesday 11 September. Caturdaśī runs from 02:18 on Thu 12 Sep to 23:02 on Thu 12 Sep, and reaches niśītha on neither day. It is 2 min 13 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/2080/shivaratri?on=2080-09-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13629, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2080-09-12T02:17:35+03:30", "utc": "2080-09-11T22:47:35Z", "ms": 3493320455356.233 }, "end": { "local": "2080-09-12T23:01:43+03:30", "utc": "2080-09-12T19:31:43Z", "ms": 3493395103051.0073 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-12T02:17:35+03:30", "utc": "2080-09-11T22:47:35Z", "ms": 3493320455356.233 }, "end": { "local": "2080-09-12T23:01:43+03:30", "utc": "2080-09-12T19:31:43Z", "ms": 3493395103051.0073 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-09-11", "window": { "start": { "local": "2080-09-11T17:43:55+03:30", "utc": "2080-09-11T14:13:55Z", "ms": 3493289635149.479 }, "end": { "local": "2080-09-11T19:15:45+03:30", "utc": "2080-09-11T15:45:45Z", "ms": 3493295145047.381 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "2080-09-12", "window": { "start": { "local": "2080-09-12T17:42:26+03:30", "utc": "2080-09-12T14:12:26Z", "ms": 3493375945989.352 }, "end": { "local": "2080-09-12T19:14:34+03:30", "utc": "2080-09-12T15:44:34Z", "ms": 3493381473999.438 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:18 on Thu 12 Sep to 23:02 on Thu 12 Sep.", "fact": "2080-09-11T22:47:35Z → 2080-09-12T19:31:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:44–19:16 on the 11th, 17:42–19:15 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 11th and 92 of 92 on the 12th.", "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 13629 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Mashhad, 2080: Thursday 12 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-12", "confidence": "determinate" } ], "quote": "In Mashhad, Aghora Caturdaśī 2080 falls on Thursday 12 September. Caturdaśī runs from 02:18 on Thu 12 Sep to 23:02 on Thu 12 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19146, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2080-09-13T19:56:11+03:30", "utc": "2080-09-13T16:26:11Z", "ms": 3493470371009.931 }, "end": { "local": "2080-09-14T17:09:56+03:30", "utc": "2080-09-14T13:39:56Z", "ms": 3493546795833.191 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-13T19:56:11+03:30", "utc": "2080-09-13T16:26:11Z", "ms": 3493470371009.931 }, "end": { "local": "2080-09-14T17:09:56+03:30", "utc": "2080-09-14T13:39:56Z", "ms": 3493546795833.191 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-09-13", "window": { "start": { "local": "2080-09-13T11:03:11+03:30", "utc": "2080-09-13T07:33:11Z", "ms": 3493438391360.783 }, "end": { "local": "2080-09-13T11:51:11+03:30", "utc": "2080-09-13T08:21:11Z", "ms": 3493441271360.783 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-09-14", "window": { "start": { "local": "2080-09-14T11:02:50+03:30", "utc": "2080-09-14T07:32:50Z", "ms": 3493524769982.123 }, "end": { "local": "2080-09-14T11:50:50+03:30", "utc": "2080-09-14T08:20:50Z", "ms": 3493527649982.123 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 19:56 on Fri 13 Sep to 17:10 on Sat 14 Sep.", "fact": "2080-09-13T16:26:11Z → 2080-09-14T13:39:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 13th, 11:03–11:51 on the 14th.", "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 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19146 s" }, { "step": "ruling", "text": "Rudra Vrata, Mashhad, 2080: Saturday 14 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-14", "confidence": "determinate" } ], "quote": "In Mashhad, Rudra Vrata 2080 falls on Saturday 14 September. Pratipadā runs from 19:56 on Fri 13 Sep to 17:10 on Sat 14 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4697, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "2080-09-15T14:51:29+03:30", "utc": "2080-09-15T11:21:29Z", "ms": 3493624888590.2285 }, "end": { "local": "2080-09-16T13:08:24+03:30", "utc": "2080-09-16T09:38:24Z", "ms": 3493705103850.487 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-15T14:51:29+03:30", "utc": "2080-09-15T11:21:29Z", "ms": 3493624888590.2285 }, "end": { "local": "2080-09-16T13:08:24+03:30", "utc": "2080-09-16T09:38:24Z", "ms": 3493705103850.487 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-09-15", "window": { "start": { "local": "2080-09-15T11:02:29+03:30", "utc": "2080-09-15T07:32:29Z", "ms": 3493611148565.0557 }, "end": { "local": "2080-09-15T11:50:29+03:30", "utc": "2080-09-15T08:20:29Z", "ms": 3493614028565.0557 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-09-16", "window": { "start": { "local": "2080-09-16T11:02:07+03:30", "utc": "2080-09-16T07:32:07Z", "ms": 3493697527126.209 }, "end": { "local": "2080-09-16T11:50:07+03:30", "utc": "2080-09-16T08:20:07Z", "ms": 3493700407126.209 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:51 on Sun 15 Sep to 13:08 on Mon 16 Sep.", "fact": "2080-09-15T11:21:29Z → 2080-09-16T09:38:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 15th, 11:02–11:50 on the 16th.", "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 15th and 48 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 4697 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Mashhad, 2080: Monday 16 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-16", "confidence": "determinate" } ], "quote": "In Mashhad, Haritālikā Vrata (Hartalika Teej) 2080 falls on Monday 16 September. Tṛtīyā runs from 14:51 on Sun 15 Sep to 13:08 on Mon 16 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1015, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-09-16T13:08:24+03:30", "utc": "2080-09-16T09:38:24Z", "ms": 3493705103850.487 }, "end": { "local": "2080-09-17T12:06:41+03:30", "utc": "2080-09-17T08:36:41Z", "ms": 3493787800957.892 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-16T13:08:24+03:30", "utc": "2080-09-16T09:38:24Z", "ms": 3493705103850.487 }, "end": { "local": "2080-09-17T12:06:41+03:30", "utc": "2080-09-17T08:36:41Z", "ms": 3493787800957.892 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-09-16", "window": { "start": { "local": "2080-09-16T11:02:07+03:30", "utc": "2080-09-16T07:32:07Z", "ms": 3493697527126.209 }, "end": { "local": "2080-09-16T11:50:07+03:30", "utc": "2080-09-16T08:20:07Z", "ms": 3493700407126.209 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-09-17", "window": { "start": { "local": "2080-09-17T11:01:46+03:30", "utc": "2080-09-17T07:31:46Z", "ms": 3493783905682.0537 }, "end": { "local": "2080-09-17T11:49:46+03:30", "utc": "2080-09-17T08:19:46Z", "ms": 3493786785682.0537 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:08 on Mon 16 Sep to 12:07 on Tue 17 Sep.", "fact": "2080-09-16T09:38:24Z → 2080-09-17T08:36:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 16th, 11:02–11:50 on the 17th.", "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 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1015 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Mashhad, 2080: Tuesday 17 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-17", "confidence": "determinate" } ], "quote": "In Mashhad, Gaṇeśa Caturthī 2080 falls on Tuesday 17 September. Caturthī runs from 13:08 on Mon 16 Sep to 12:07 on Tue 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-18", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 35, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2080-09-17T12:06:41+03:30", "utc": "2080-09-17T08:36:41Z", "ms": 3493787800957.892 }, "end": { "local": "2080-09-18T11:49:59+03:30", "utc": "2080-09-18T08:19:59Z", "ms": 3493873198831.017 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-17T12:06:41+03:30", "utc": "2080-09-17T08:36:41Z", "ms": 3493787800957.892 }, "end": { "local": "2080-09-18T11:49:59+03:30", "utc": "2080-09-18T08:19:59Z", "ms": 3493873198831.017 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-09-17", "window": { "start": { "local": "2080-09-17T11:01:46+03:30", "utc": "2080-09-17T07:31:46Z", "ms": 3493783905682.0537 }, "end": { "local": "2080-09-17T11:49:46+03:30", "utc": "2080-09-17T08:19:46Z", "ms": 3493786785682.0537 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-09-18", "window": { "start": { "local": "2080-09-18T11:01:24+03:30", "utc": "2080-09-18T07:31:24Z", "ms": 3493870284250.218 }, "end": { "local": "2080-09-18T11:49:24+03:30", "utc": "2080-09-18T08:19:24Z", "ms": 3493873164250.218 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 12:07 on Tue 17 Sep to 11:50 on Wed 18 Sep.", "fact": "2080-09-17T08:36:41Z → 2080-09-18T08:19:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 17th, 11:01–11:49 on the 18th.", "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 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 35 s < 300 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Mashhad, 2080: Wednesday 18 September.", "fact": "confidence: boundary (margin)" } ], "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": "2080-09-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-18", "confidence": "boundary" } ], "quote": "In Mashhad, Ṛṣi Pañcamī 2080 falls on Wednesday 18 September. Pañcamī runs from 12:07 on Tue 17 Sep to 11:50 on Wed 18 Sep and covers all of madhyāhna that midday. It is 0 min 35 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-19", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 35, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2080-09-18T11:49:59+03:30", "utc": "2080-09-18T08:19:59Z", "ms": 3493873198831.017 }, "end": { "local": "2080-09-19T12:18:51+03:30", "utc": "2080-09-19T08:48:51Z", "ms": 3493961330573.975 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-18T11:49:59+03:30", "utc": "2080-09-18T08:19:59Z", "ms": 3493873198831.017 }, "end": { "local": "2080-09-19T12:18:51+03:30", "utc": "2080-09-19T08:48:51Z", "ms": 3493961330573.975 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-09-18", "window": { "start": { "local": "2080-09-18T11:01:24+03:30", "utc": "2080-09-18T07:31:24Z", "ms": 3493870284250.218 }, "end": { "local": "2080-09-18T11:49:24+03:30", "utc": "2080-09-18T08:19:24Z", "ms": 3493873164250.218 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-09-19", "window": { "start": { "local": "2080-09-19T11:01:03+03:30", "utc": "2080-09-19T07:31:03Z", "ms": 3493956662849.2 }, "end": { "local": "2080-09-19T11:49:03+03:30", "utc": "2080-09-19T08:19:03Z", "ms": 3493959542849.2 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:50 on Wed 18 Sep to 12:19 on Thu 19 Sep.", "fact": "2080-09-18T08:19:59Z → 2080-09-19T08:48:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 18th, 11:01–11:49 on the 19th.", "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 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35 s < 300 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Mashhad, 2080: Thursday 19 September.", "fact": "confidence: boundary (margin)" } ], "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": "2080-09-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-19", "confidence": "determinate" } ], "quote": "In Mashhad, Sūrya Ṣaṣṭhī (Bhādrapada) 2080 falls on Thursday 19 September. Ṣaṣṭhī runs from 11:50 on Wed 18 Sep to 12:19 on Thu 19 Sep and covers all of madhyāhna that midday. It is 0 min 35 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1788, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2080-09-19T12:18:51+03:30", "utc": "2080-09-19T08:48:51Z", "ms": 3493961330573.975 }, "end": { "local": "2080-09-20T13:30:10+03:30", "utc": "2080-09-20T10:00:10Z", "ms": 3494052010130.368 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-19T12:18:51+03:30", "utc": "2080-09-19T08:48:51Z", "ms": 3493961330573.975 }, "end": { "local": "2080-09-20T13:30:10+03:30", "utc": "2080-09-20T10:00:10Z", "ms": 3494052010130.368 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-09-19", "window": { "start": { "local": "2080-09-19T11:01:03+03:30", "utc": "2080-09-19T07:31:03Z", "ms": 3493956662849.2 }, "end": { "local": "2080-09-19T11:49:03+03:30", "utc": "2080-09-19T08:19:03Z", "ms": 3493959542849.2 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-09-20", "window": { "start": { "local": "2080-09-20T11:00:41+03:30", "utc": "2080-09-20T07:30:41Z", "ms": 3494043041498.2812 }, "end": { "local": "2080-09-20T11:48:41+03:30", "utc": "2080-09-20T08:18:41Z", "ms": 3494045921498.2812 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 12:19 on Thu 19 Sep to 13:30 on Fri 20 Sep.", "fact": "2080-09-19T08:48:51Z → 2080-09-20T10:00:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 19th, 11:01–11:49 on the 20th.", "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 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1788 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Mashhad, 2080: Friday 20 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": "2080-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-19", "confidence": "determinate" } ], "quote": "In Mashhad, Muktābharaṇa Vrata 2080 falls on Friday 20 September. Saptamī runs from 12:19 on Thu 19 Sep to 13:30 on Fri 20 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6089, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2080-09-20T13:30:10+03:30", "utc": "2080-09-20T10:00:10Z", "ms": 3494052010130.368 }, "end": { "local": "2080-09-21T15:17:07+03:30", "utc": "2080-09-21T11:47:07Z", "ms": 3494144826764.113 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-20T13:30:10+03:30", "utc": "2080-09-20T10:00:10Z", "ms": 3494052010130.368 }, "end": { "local": "2080-09-21T15:17:07+03:30", "utc": "2080-09-21T11:47:07Z", "ms": 3494144826764.113 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-09-20", "window": { "start": { "local": "2080-09-20T11:00:41+03:30", "utc": "2080-09-20T07:30:41Z", "ms": 3494043041498.2812 }, "end": { "local": "2080-09-20T11:48:41+03:30", "utc": "2080-09-20T08:18:41Z", "ms": 3494045921498.2812 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-09-21", "window": { "start": { "local": "2080-09-21T11:00:20+03:30", "utc": "2080-09-21T07:30:20Z", "ms": 3494129420217.416 }, "end": { "local": "2080-09-21T11:48:20+03:30", "utc": "2080-09-21T08:18:20Z", "ms": 3494132300217.416 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 13:30 on Fri 20 Sep to 15:17 on Sat 21 Sep.", "fact": "2080-09-20T10:00:10Z → 2080-09-21T11:47:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 20th, 11:00–11:48 on the 21st.", "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 20th and 48 of 48 on the 21st.", "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 6089 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Mashhad, 2080: Saturday 21 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": "2080-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-21", "confidence": "determinate" } ], "quote": "In Mashhad, Rādhāṣṭamī 2080 falls on Saturday 21 September. Aṣṭamī runs from 13:30 on Fri 20 Sep to 15:17 on Sat 21 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ekadashi?on=2080-09-24", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25161, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-09-23T19:55:52+03:30", "utc": "2080-09-23T16:25:52Z", "ms": 3494334352440.849 }, "end": { "local": "2080-09-24T22:23:31+03:30", "utc": "2080-09-24T18:53:31Z", "ms": 3494429610549.3525 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-23T19:55:52+03:30", "utc": "2080-09-23T16:25:52Z", "ms": 3494334352440.849 }, "end": { "local": "2080-09-24T22:23:31+03:30", "utc": "2080-09-24T18:53:31Z", "ms": 3494429610549.3525 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-09-24", "window": { "start": { "local": "2080-09-24T05:22:04+03:30", "utc": "2080-09-24T01:52:04Z", "ms": 3494368323801.231 }, "end": { "local": "2080-09-24T05:22:04+03:30", "utc": "2080-09-24T01:52:04Z", "ms": 3494368323801.231 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-09-25", "window": { "start": { "local": "2080-09-25T05:22:52+03:30", "utc": "2080-09-25T01:52:52Z", "ms": 3494454771503.3115 }, "end": { "local": "2080-09-25T05:22:52+03:30", "utc": "2080-09-25T01:52:52Z", "ms": 3494454771503.3115 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:56 on Mon 23 Sep to 22:24 on Tue 24 Sep.", "fact": "2080-09-23T16:25:52Z → 2080-09-24T18:53:31Z" }, { "step": "kaala", "text": "Sunrise is at 05:22 on the 24th and 05:23 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 25161 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Mashhad, 2080: Tuesday 24 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": "2080-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-24", "confidence": "determinate" } ], "quote": "In Mashhad, Parivartanī Ekādaśī 2080 falls on Tuesday 24 September. Ekādaśī runs from 19:56 on Mon 23 Sep to 22:24 on Tue 24 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-09-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37021, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2080-09-24T22:23:31+03:30", "utc": "2080-09-24T18:53:31Z", "ms": 3494429610549.3525 }, "end": { "local": "2080-09-26T00:41:34+03:30", "utc": "2080-09-25T21:11:34Z", "ms": 3494524294352.4976 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-24T22:23:31+03:30", "utc": "2080-09-24T18:53:31Z", "ms": 3494429610549.3525 }, "end": { "local": "2080-09-26T00:41:34+03:30", "utc": "2080-09-25T21:11:34Z", "ms": 3494524294352.4976 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-09-25", "window": { "start": { "local": "2080-09-25T10:58:56+03:30", "utc": "2080-09-25T07:28:56Z", "ms": 3494474936212.134 }, "end": { "local": "2080-09-25T11:46:56+03:30", "utc": "2080-09-25T08:16:56Z", "ms": 3494477816212.134 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-09-26", "window": { "start": { "local": "2080-09-26T10:58:36+03:30", "utc": "2080-09-26T07:28:36Z", "ms": 3494561315598.592 }, "end": { "local": "2080-09-26T11:46:36+03:30", "utc": "2080-09-26T08:16:36Z", "ms": 3494564195598.592 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 22:24 on Tue 24 Sep to 00:42 on Thu 26 Sep.", "fact": "2080-09-24T18:53:31Z → 2080-09-25T21:11:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 25th, 10:59–11:47 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 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: unstated → only-day · margin 37021 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Mashhad, 2080: Wednesday 25 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": "2080-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-25", "confidence": "determinate" } ], "quote": "In Mashhad, Vāmana Jayantī 2080 falls on Wednesday 25 September. Dvādaśī runs from 22:24 on Tue 24 Sep to 00:42 on Thu 26 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/pradosha-vrata?on=2080-09-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20548, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-09-26T00:41:34+03:30", "utc": "2080-09-25T21:11:34Z", "ms": 3494524294352.4976 }, "end": { "local": "2080-09-27T02:41:24+03:30", "utc": "2080-09-26T23:11:24Z", "ms": 3494617883584.0957 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-26T00:41:34+03:30", "utc": "2080-09-25T21:11:34Z", "ms": 3494524294352.4976 }, "end": { "local": "2080-09-27T02:41:24+03:30", "utc": "2080-09-26T23:11:24Z", "ms": 3494617883584.0957 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-09-25", "window": { "start": { "local": "2080-09-25T17:23:01+03:30", "utc": "2080-09-25T13:53:01Z", "ms": 3494497980920.9565 }, "end": { "local": "2080-09-25T18:59:06+03:30", "utc": "2080-09-25T15:29:06Z", "ms": 3494503746046.9 } }, "covered_min": 0, "window_min": 96, "qualifies": false }, { "local_date": "2080-09-26", "window": { "start": { "local": "2080-09-26T17:21:32+03:30", "utc": "2080-09-26T13:51:32Z", "ms": 3494584291831.654 }, "end": { "local": "2080-09-26T18:57:55+03:30", "utc": "2080-09-26T15:27:55Z", "ms": 3494590075241.1255 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:42 on Thu 26 Sep to 02:41 on Fri 27 Sep.", "fact": "2080-09-25T21:11:34Z → 2080-09-26T23:11:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:23–18:59 on the 25th, 17:22–18:58 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 96 minutes on the 25th and 96 of 96 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20548 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2080: Thursday 26 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": "2080-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-26", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2080 falls on Thursday 26 September. Trayodaśī runs from 00:42 on Thu 26 Sep to 02:41 on Fri 27 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-09-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4093, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2080-09-27T02:41:24+03:30", "utc": "2080-09-26T23:11:24Z", "ms": 3494617883584.0957 }, "end": { "local": "2080-09-28T04:17:03+03:30", "utc": "2080-09-28T00:47:03Z", "ms": 3494710022979.2573 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "2080-09-27T02:41:24+03:30", "utc": "2080-09-26T23:11:24Z", "ms": 3494617883584.0957 }, "end": { "local": "2080-09-28T04:17:03+03:30", "utc": "2080-09-28T00:47:03Z", "ms": 3494710022979.2573 } }, "kaala": "udaya-3", "days": [ { "local_date": "2080-09-27", "window": { "start": { "local": "2080-09-27T05:24:27+03:30", "utc": "2080-09-27T01:54:27Z", "ms": 3494627667402.693 }, "end": { "local": "2080-09-27T07:47:35+03:30", "utc": "2080-09-27T04:17:35Z", "ms": 3494636254515.554 } }, "covered_min": 143, "window_min": 143, "qualifies": true }, { "local_date": "2080-09-28", "window": { "start": { "local": "2080-09-28T05:25:16+03:30", "utc": "2080-09-28T01:55:16Z", "ms": 3494714115630.134 }, "end": { "local": "2080-09-28T07:47:55+03:30", "utc": "2080-09-28T04:17:55Z", "ms": 3494722675375.6367 } }, "covered_min": 0, "window_min": 143, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:41 on Fri 27 Sep to 04:17 on Sat 28 Sep.", "fact": "2080-09-26T23:11:24Z → 2080-09-28T00:47:03Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:24–07:48 on the 27th, 05:25–07:48 on the 28th.", "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 143 of 143 minutes on the 27th and 0 of 143 on the 28th.", "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 4093 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Mashhad, 2080: Friday 27 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": "2080-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-09-27", "confidence": "determinate" } ], "quote": "In Mashhad, Ananta Caturdaśī 2080 falls on Friday 27 September. Caturdaśī runs from 02:41 on Fri 27 Sep to 04:17 on Sat 28 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/sankashta-chaturthi?on=2080-10-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-10-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37538, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-10-02T05:59:48+03:30", "utc": "2080-10-02T02:29:48Z", "ms": 3495061787878.6016 }, "end": { "local": "2080-10-03T05:18:16+03:30", "utc": "2080-10-03T01:48:16Z", "ms": 3495145696494.3594 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2080-10-02T05:59:48+03:30", "utc": "2080-10-02T02:29:48Z", "ms": 3495061787878.6016 }, "end": { "local": "2080-10-03T05:18:16+03:30", "utc": "2080-10-03T01:48:16Z", "ms": 3495145696494.3594 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-10-01", "window": { "start": { "local": "2080-10-01T18:19:17+03:30", "utc": "2080-10-01T14:49:17Z", "ms": 3495019756678.152 }, "end": { "local": "2080-10-01T18:19:17+03:30", "utc": "2080-10-01T14:49:17Z", "ms": 3495019756678.152 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-10-02", "window": { "start": { "local": "2080-10-02T18:52:39+03:30", "utc": "2080-10-02T15:22:39Z", "ms": 3495108158650.6626 }, "end": { "local": "2080-10-02T18:52:39+03:30", "utc": "2080-10-02T15:22:39Z", "ms": 3495108158650.6626 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:00 on Wed 2 Oct to 05:18 on Thu 3 Oct.", "fact": "2080-10-02T02:29:48Z → 2080-10-03T01:48:16Z" }, { "step": "kaala", "text": "Moonrise is at 18:19 on the 1st and 18:53 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37538 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2080: Wednesday 2 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": "2080-10-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-10-02", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2080 falls on Wednesday 2 October. Caturthī runs from 06:00 on Wed 2 Oct to 05:18 on Thu 3 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/sankashta-chaturthi?on=2080-10-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22988, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2080-10-04T04:13:12+03:30", "utc": "2080-10-04T00:43:12Z", "ms": 3495228191675.8975 }, "end": { "local": "2080-10-05T02:46:35+03:30", "utc": "2080-10-04T23:16:35Z", "ms": 3495309395356.6973 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2080-10-04T04:13:12+03:30", "utc": "2080-10-04T00:43:12Z", "ms": 3495228191675.8975 }, "end": { "local": "2080-10-05T02:46:35+03:30", "utc": "2080-10-04T23:16:35Z", "ms": 3495309395356.6973 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-10-03", "window": { "start": { "local": "2080-10-03T19:33:22+03:30", "utc": "2080-10-03T16:03:22Z", "ms": 3495197001931.08 }, "end": { "local": "2080-10-03T19:33:22+03:30", "utc": "2080-10-03T16:03:22Z", "ms": 3495197001931.08 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-10-04", "window": { "start": { "local": "2080-10-04T20:23:27+03:30", "utc": "2080-10-04T16:53:27Z", "ms": 3495286407256.0054 }, "end": { "local": "2080-10-04T20:23:27+03:30", "utc": "2080-10-04T16:53:27Z", "ms": 3495286407256.0054 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 04:13 on Fri 4 Oct to 02:47 on Sat 5 Oct.", "fact": "2080-10-04T00:43:12Z → 2080-10-04T23:16:35Z" }, { "step": "kaala", "text": "Moonrise is at 19:33 on the 3rd and 20:23 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 3rd and is on the 4th.", "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 22988 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Mashhad, 2080: Friday 4 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-10-04", "confidence": "determinate" } ], "quote": "In Mashhad, Candra Ṣaṣṭhī 2080 falls on Friday 4 October. Ṣaṣṭhī runs from 04:13 on Fri 4 Oct to 02:47 on Sat 5 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15085, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2080-10-06T01:00:39+03:30", "utc": "2080-10-05T21:30:39Z", "ms": 3495389438630.2246 }, "end": { "local": "2080-10-06T22:57:49+03:30", "utc": "2080-10-06T19:27:49Z", "ms": 3495468469297.009 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2080-10-06T01:00:39+03:30", "utc": "2080-10-05T21:30:39Z", "ms": 3495389438630.2246 }, "end": { "local": "2080-10-06T22:57:49+03:30", "utc": "2080-10-06T19:27:49Z", "ms": 3495468469297.009 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-10-05", "window": { "start": { "local": "2080-10-05T17:08:24+03:30", "utc": "2080-10-05T13:38:24Z", "ms": 3495361103855.3784 }, "end": { "local": "2080-10-05T18:47:31+03:30", "utc": "2080-10-05T15:17:31Z", "ms": 3495367051366.5566 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "2080-10-06", "window": { "start": { "local": "2080-10-06T17:06:58+03:30", "utc": "2080-10-06T13:36:58Z", "ms": 3495447418413.6904 }, "end": { "local": "2080-10-06T18:46:24+03:30", "utc": "2080-10-06T15:16:24Z", "ms": 3495453384067.3853 } }, "covered_min": 99, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:01 on Sun 6 Oct to 22:58 on Sun 6 Oct.", "fact": "2080-10-05T21:30:39Z → 2080-10-06T19:27:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:08–18:48 on the 5th, 17:07–18:46 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 99 minutes on the 5th and 99 of 99 on the 6th.", "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 15085 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Mashhad, 2080: Sunday 6 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-10-06", "confidence": "determinate" } ], "quote": "In Mashhad, Jitāṣṭamī (Jitiya) 2080 falls on Sunday 6 October. Aṣṭamī runs from 01:01 on Sun 6 Oct to 22:58 on Sun 6 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-10-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1524, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2080-10-06T01:00:39+03:30", "utc": "2080-10-05T21:30:39Z", "ms": 3495389438630.2246 }, "end": { "local": "2080-10-06T22:57:49+03:30", "utc": "2080-10-06T19:27:49Z", "ms": 3495468469297.009 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2080-10-06T01:00:39+03:30", "utc": "2080-10-05T21:30:39Z", "ms": 3495389438630.2246 }, "end": { "local": "2080-10-06T22:57:49+03:30", "utc": "2080-10-06T19:27:49Z", "ms": 3495468469297.009 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-10-05", "window": { "start": { "local": "2080-10-05T21:23:40+03:30", "utc": "2080-10-05T17:53:40Z", "ms": 3495376420477.057 }, "end": { "local": "2080-10-05T21:23:40+03:30", "utc": "2080-10-05T17:53:40Z", "ms": 3495376420477.057 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-10-06", "window": { "start": { "local": "2080-10-06T22:32:25+03:30", "utc": "2080-10-06T19:02:25Z", "ms": 3495466944854.688 }, "end": { "local": "2080-10-06T22:32:25+03:30", "utc": "2080-10-06T19:02:25Z", "ms": 3495466944854.688 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:01 on Sun 6 Oct to 22:58 on Sun 6 Oct.", "fact": "2080-10-05T21:30:39Z → 2080-10-06T19:27:49Z" }, { "step": "kaala", "text": "Moonrise is at 21:24 on the 5th and 22:32 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1524 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Mashhad, 2080: Sunday 6 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-10-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-10-06", "confidence": "determinate" } ], "quote": "In Mashhad, Mahālakṣmī Vrata Samāpana 2080 falls on Sunday 6 October. Aṣṭamī runs from 01:01 on Sun 6 Oct to 22:58 on Sun 6 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ekadashi?on=2080-10-09", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36356, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-10-08T18:13:47+03:30", "utc": "2080-10-08T14:43:47Z", "ms": 3495624227009.175 }, "end": { "local": "2080-10-09T15:40:19+03:30", "utc": "2080-10-09T12:10:19Z", "ms": 3495701418983.112 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2080-10-08T18:13:47+03:30", "utc": "2080-10-08T14:43:47Z", "ms": 3495624227009.175 }, "end": { "local": "2080-10-09T15:40:19+03:30", "utc": "2080-10-09T12:10:19Z", "ms": 3495701418983.112 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-10-08", "window": { "start": { "local": "2080-10-08T05:33:32+03:30", "utc": "2080-10-08T02:03:32Z", "ms": 3495578611770.623 }, "end": { "local": "2080-10-08T05:33:32+03:30", "utc": "2080-10-08T02:03:32Z", "ms": 3495578611770.623 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-10-09", "window": { "start": { "local": "2080-10-09T05:34:23+03:30", "utc": "2080-10-09T02:04:23Z", "ms": 3495665063058.206 }, "end": { "local": "2080-10-09T05:34:23+03:30", "utc": "2080-10-09T02:04:23Z", "ms": 3495665063058.206 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:14 on Tue 8 Oct to 15:40 on Wed 9 Oct.", "fact": "2080-10-08T14:43:47Z → 2080-10-09T12:10:19Z" }, { "step": "kaala", "text": "Sunrise is at 05:34 on the 8th and 05:34 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 8th and is on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36356 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Mashhad, 2080: Wednesday 9 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": "2080-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-10-09", "confidence": "determinate" } ], "quote": "In Mashhad, Indirā Ekādaśī 2080 falls on Wednesday 9 October. Ekādaśī runs from 18:14 on Tue 8 Oct to 15:40 on Wed 9 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-10-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/pradosha-vrata?on=2080-10-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14144, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-10-10T13:05:39+03:30", "utc": "2080-10-10T09:35:39Z", "ms": 3495778538633.619 }, "end": { "local": "2080-10-11T10:35:32+03:30", "utc": "2080-10-11T07:05:32Z", "ms": 3495855932352.191 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2080-10-10T13:05:39+03:30", "utc": "2080-10-10T09:35:39Z", "ms": 3495778538633.619 }, "end": { "local": "2080-10-11T10:35:32+03:30", "utc": "2080-10-11T07:05:32Z", "ms": 3495855932352.191 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-10-10", "window": { "start": { "local": "2080-10-10T17:01:22+03:30", "utc": "2080-10-10T13:31:22Z", "ms": 3495792682334.9683 }, "end": { "local": "2080-10-10T18:42:00+03:30", "utc": "2080-10-10T15:12:00Z", "ms": 3495798720243.6777 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "2080-10-11", "window": { "start": { "local": "2080-10-11T17:00:00+03:30", "utc": "2080-10-11T13:30:00Z", "ms": 3495878999887.5884 }, "end": { "local": "2080-10-11T18:40:56+03:30", "utc": "2080-10-11T15:10:56Z", "ms": 3495885055763.8447 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:06 on Thu 10 Oct to 10:36 on Fri 11 Oct.", "fact": "2080-10-10T09:35:39Z → 2080-10-11T07:05:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:01–18:42 on the 10th, 17:00–18:41 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 101 of 101 minutes on the 10th and 0 of 101 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 14144 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2080: Thursday 10 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": "2080-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-10-10", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2080 falls on Thursday 10 October. Trayodaśī runs from 13:06 on Thu 10 Oct to 10:36 on Fri 11 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-10-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/shivaratri?on=2080-10-11", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30836, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2080-10-11T10:35:32+03:30", "utc": "2080-10-11T07:05:32Z", "ms": 3495855932352.191 }, "end": { "local": "2080-10-12T08:16:26+03:30", "utc": "2080-10-12T04:46:26Z", "ms": 3495933985801.365 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2080-10-11T10:35:32+03:30", "utc": "2080-10-11T07:05:32Z", "ms": 3495855932352.191 }, "end": { "local": "2080-10-12T08:16:26+03:30", "utc": "2080-10-12T04:46:26Z", "ms": 3495933985801.365 } }, "kaala": "nishita", "days": [ { "local_date": "2080-10-10", "window": { "start": { "local": "2080-10-10T22:54:44+03:30", "utc": "2080-10-10T19:24:44Z", "ms": 3495813884492.629 }, "end": { "local": "2080-10-10T23:42:44+03:30", "utc": "2080-10-10T20:12:44Z", "ms": 3495816764492.629 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-10-11", "window": { "start": { "local": "2080-10-11T22:54:29+03:30", "utc": "2080-10-11T19:24:29Z", "ms": 3495900269423.55 }, "end": { "local": "2080-10-11T23:42:29+03:30", "utc": "2080-10-11T20:12:29Z", "ms": 3495903149423.55 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:36 on Fri 11 Oct to 08:16 on Sat 12 Oct.", "fact": "2080-10-11T07:05:32Z → 2080-10-12T04:46:26Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:55–23:43 on the 10th, 22:54–23:42 on the 11th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30836 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2080: Friday 11 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": "2080-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-10-11", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2080 falls on Friday 11 October. Caturdaśī runs from 10:36 on Fri 11 Oct to 08:16 on Sat 12 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2080/shivaratri?on=2080-10-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14973, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2080-10-12T08:16:26+03:30", "utc": "2080-10-12T04:46:26Z", "ms": 3495933985801.365 }, "end": { "local": "2080-10-13T06:15:12+03:30", "utc": "2080-10-13T02:45:12Z", "ms": 3496013111736.9053 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2080-10-12T08:16:26+03:30", "utc": "2080-10-12T04:46:26Z", "ms": 3495933985801.365 }, "end": { "local": "2080-10-13T06:15:12+03:30", "utc": "2080-10-13T02:45:12Z", "ms": 3496013111736.9053 } }, "kaala": "aparahna", "days": [ { "local_date": "2080-10-12", "window": { "start": { "local": "2080-10-12T12:25:58+03:30", "utc": "2080-10-12T08:55:58Z", "ms": 3495948958459.93 }, "end": { "local": "2080-10-12T14:42:18+03:30", "utc": "2080-10-12T11:12:18Z", "ms": 3495957138293.4033 } }, "covered_min": 136, "window_min": 136, "qualifies": true }, { "local_date": "2080-10-13", "window": { "start": { "local": "2080-10-13T12:25:31+03:30", "utc": "2080-10-13T08:55:31Z", "ms": 3496035330893.3765 }, "end": { "local": "2080-10-13T14:41:24+03:30", "utc": "2080-10-13T11:11:24Z", "ms": 3496043483987.174 } }, "covered_min": 0, "window_min": 136, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 08:16 on Sat 12 Oct to 06:15 on Sun 13 Oct.", "fact": "2080-10-12T04:46:26Z → 2080-10-13T02:45:12Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 12:26–14:42 on the 12th, 12:26–14:41 on the 13th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 136 of 136 minutes on the 12th and 0 of 136 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14973 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Mashhad, 2080: Saturday 12 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-10-12", "confidence": "determinate" } ], "quote": "In Mashhad, Mahālaya Amāvāsyā 2080 falls on Saturday 12 October. Amāvasyā runs from 08:16 on Sat 12 Oct to 06:15 on Sun 13 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16703, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2080-10-13T06:15:12+03:30", "utc": "2080-10-13T02:45:12Z", "ms": 3496013111736.9053 }, "end": { "local": "2080-10-14T04:38:50+03:30", "utc": "2080-10-14T01:08:50Z", "ms": 3496093730347.7637 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2080-10-13T06:15:12+03:30", "utc": "2080-10-13T02:45:12Z", "ms": 3496013111736.9053 }, "end": { "local": "2080-10-14T04:38:50+03:30", "utc": "2080-10-14T01:08:50Z", "ms": 3496093730347.7637 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-10-13", "window": { "start": { "local": "2080-10-13T10:53:34+03:30", "utc": "2080-10-13T07:23:34Z", "ms": 3496029814346.478 }, "end": { "local": "2080-10-13T11:41:34+03:30", "utc": "2080-10-13T08:11:34Z", "ms": 3496032694346.478 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-10-14", "window": { "start": { "local": "2080-10-14T10:53:21+03:30", "utc": "2080-10-14T07:23:21Z", "ms": 3496116200692.7793 }, "end": { "local": "2080-10-14T11:41:21+03:30", "utc": "2080-10-14T08:11:21Z", "ms": 3496119080692.7793 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 06:15 on Sun 13 Oct to 04:39 on Mon 14 Oct.", "fact": "2080-10-13T02:45:12Z → 2080-10-14T01:08:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:54–11:42 on the 13th, 10:53–11:41 on the 14th.", "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 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16703 s" }, { "step": "ruling", "text": "Navarātrārambha, Mashhad, 2080: Sunday 13 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-10-13", "confidence": "determinate" } ], "quote": "In Mashhad, Navarātrārambha (Navratri) 2080 falls on Sunday 13 October. Pratipadā runs from 06:15 on Sun 13 Oct to 04:39 on Mon 14 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-10-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27202, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-10-16T03:06:17+03:30", "utc": "2080-10-15T23:36:17Z", "ms": 3496260976527.2715 }, "end": { "local": "2080-10-17T03:19:21+03:30", "utc": "2080-10-16T23:49:21Z", "ms": 3496348161098.132 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2080-10-16T03:06:17+03:30", "utc": "2080-10-15T23:36:17Z", "ms": 3496260976527.2715 }, "end": { "local": "2080-10-17T03:19:21+03:30", "utc": "2080-10-16T23:49:21Z", "ms": 3496348161098.132 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-10-16", "window": { "start": { "local": "2080-10-16T10:52:55+03:30", "utc": "2080-10-16T07:22:55Z", "ms": 3496288975070.26 }, "end": { "local": "2080-10-16T11:40:55+03:30", "utc": "2080-10-16T08:10:55Z", "ms": 3496291855070.26 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-10-17", "window": { "start": { "local": "2080-10-17T10:52:43+03:30", "utc": "2080-10-17T07:22:43Z", "ms": 3496375363129.867 }, "end": { "local": "2080-10-17T11:40:43+03:30", "utc": "2080-10-17T08:10:43Z", "ms": 3496378243129.867 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:06 on Wed 16 Oct to 03:19 on Thu 17 Oct.", "fact": "2080-10-15T23:36:17Z → 2080-10-16T23:49:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:53–11:41 on the 16th, 10:53–11:41 on the 17th.", "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 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27202 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2080: Wednesday 16 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": "2080-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-10-16", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 2080 falls on Wednesday 16 October. Caturthī runs from 03:06 on Wed 16 Oct to 03:19 on Thu 17 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-10-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-10-20", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 245, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2080-10-19T05:47:20+03:30", "utc": "2080-10-19T02:17:20Z", "ms": 3496529839716.5386 }, "end": { "local": "2080-10-20T07:52:03+03:30", "utc": "2080-10-20T04:22:03Z", "ms": 3496623723326.624 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2080-10-19T05:47:20+03:30", "utc": "2080-10-19T02:17:20Z", "ms": 3496529839716.5386 }, "end": { "local": "2080-10-20T07:52:03+03:30", "utc": "2080-10-20T04:22:03Z", "ms": 3496623723326.624 } }, "kaala": "udaya-1", "days": [ { "local_date": "2080-10-19", "window": { "start": { "local": "2080-10-19T05:43:15+03:30", "utc": "2080-10-19T02:13:15Z", "ms": 3496529594692.4614 }, "end": { "local": "2080-10-19T06:27:40+03:30", "utc": "2080-10-19T02:57:40Z", "ms": 3496532259542.0176 } }, "covered_min": 40, "window_min": 44, "qualifies": false }, { "local_date": "2080-10-20", "window": { "start": { "local": "2080-10-20T05:44:10+03:30", "utc": "2080-10-20T02:14:10Z", "ms": 3496616049722.4556 }, "end": { "local": "2080-10-20T06:28:26+03:30", "utc": "2080-10-20T02:58:26Z", "ms": 3496618705888.646 } }, "covered_min": 44, "window_min": 44, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 05:47 on Sat 19 Oct to 07:52 on Sun 20 Oct.", "fact": "2080-10-19T02:17:20Z → 2080-10-20T04:22:03Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:43–06:28 on the 19th, 05:44–06:28 on the 20th.", "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 40 of 44 minutes on the 19th and 44 of 44 on the 20th.", "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 245 s < 300 s" }, { "step": "ruling", "text": "Durgā Saptamī, Mashhad, 2080: Sunday 20 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": "2080-10-20", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-10-20", "confidence": "boundary" } ], "quote": "In Mashhad, Durgā Saptamī 2080 falls on Sunday 20 October. Saptamī runs from 05:47 on Sat 19 Oct to 07:52 on Sun 20 Oct and covers all of the first muhūrta after sunrise that morning. It is 4 min 05 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2096, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2080-10-20T07:52:03+03:30", "utc": "2080-10-20T04:22:03Z", "ms": 3496623723326.624 }, "end": { "local": "2080-10-21T10:17:06+03:30", "utc": "2080-10-21T06:47:06Z", "ms": 3496718825600.1147 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2080-10-20T07:52:03+03:30", "utc": "2080-10-20T04:22:03Z", "ms": 3496623723326.624 }, "end": { "local": "2080-10-21T10:17:06+03:30", "utc": "2080-10-21T06:47:06Z", "ms": 3496718825600.1147 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-10-20", "window": { "start": { "local": "2080-10-20T10:52:11+03:30", "utc": "2080-10-20T07:22:11Z", "ms": 3496634530968.883 }, "end": { "local": "2080-10-20T11:40:11+03:30", "utc": "2080-10-20T08:10:11Z", "ms": 3496637410968.883 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-10-21", "window": { "start": { "local": "2080-10-21T10:52:02+03:30", "utc": "2080-10-21T07:22:02Z", "ms": 3496720921519.035 }, "end": { "local": "2080-10-21T11:40:02+03:30", "utc": "2080-10-21T08:10:02Z", "ms": 3496723801519.035 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:52 on Sun 20 Oct to 10:17 on Mon 21 Oct.", "fact": "2080-10-20T04:22:03Z → 2080-10-21T06:47:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 20th, 10:52–11:40 on the 21st.", "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 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2096 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Mashhad, 2080: Sunday 20 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": "2080-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-10-21", "confidence": "determinate" } ], "quote": "In Mashhad, Mahāṣṭamī (Durga Ashtami) 2080 falls on Sunday 20 October. Aṣṭamī runs from 07:52 on Sun 20 Oct to 10:17 on Mon 21 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2096, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2080-10-21T10:17:06+03:30", "utc": "2080-10-21T06:47:06Z", "ms": 3496718825600.1147 }, "end": { "local": "2080-10-22T12:48:41+03:30", "utc": "2080-10-22T09:18:41Z", "ms": 3496814320595.1914 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2080-10-21T10:17:06+03:30", "utc": "2080-10-21T06:47:06Z", "ms": 3496718825600.1147 }, "end": { "local": "2080-10-22T12:48:41+03:30", "utc": "2080-10-22T09:18:41Z", "ms": 3496814320595.1914 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-10-21", "window": { "start": { "local": "2080-10-21T10:52:02+03:30", "utc": "2080-10-21T07:22:02Z", "ms": 3496720921519.035 }, "end": { "local": "2080-10-21T11:40:02+03:30", "utc": "2080-10-21T08:10:02Z", "ms": 3496723801519.035 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-10-22", "window": { "start": { "local": "2080-10-22T10:51:53+03:30", "utc": "2080-10-22T07:21:53Z", "ms": 3496807312729.914 }, "end": { "local": "2080-10-22T11:39:53+03:30", "utc": "2080-10-22T08:09:53Z", "ms": 3496810192729.914 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Navamī runs from 10:17 on Mon 21 Oct to 12:49 on Tue 22 Oct.", "fact": "2080-10-21T06:47:06Z → 2080-10-22T09:18:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 21st, 10:52–11:40 on the 22nd.", "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 21st and 48 of 48 on the 22nd.", "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 2096 s" }, { "step": "ruling", "text": "Mahānavamī, Mashhad, 2080: Monday 21 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": "2080-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-10-21", "confidence": "determinate" } ], "quote": "In Mashhad, Mahānavamī 2080 falls on Monday 21 October. Navamī runs from 10:17 on Mon 21 Oct to 12:49 on Tue 22 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/mashhad/festivals/2080/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": "/mashhad/festivals/2080/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3100, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "2080-10-22T12:48:41+03:30", "utc": "2080-10-22T09:18:41Z", "ms": 3496814320595.1914 }, "end": { "local": "2080-10-23T15:12:23+03:30", "utc": "2080-10-23T11:42:23Z", "ms": 3496909343016.297 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "2080-10-22T12:48:41+03:30", "utc": "2080-10-22T09:18:41Z", "ms": 3496814320595.1914 }, "end": { "local": "2080-10-22T13:40:21+03:30", "utc": "2080-10-22T10:10:21Z", "ms": 3496817420837.1772 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "2080-10-21T10:40:21+03:30", "utc": "2080-10-21T07:10:21Z", "ms": 3496720221204.561 }, "end": { "local": "2080-10-22T13:40:21+03:30", "utc": "2080-10-22T10:10:21Z", "ms": 3496817420837.1772 } } }, "kaala": "daytime", "days": [ { "local_date": "2080-10-22", "window": { "start": { "local": "2080-10-22T05:46:01+03:30", "utc": "2080-10-22T02:16:01Z", "ms": 3496788960784.8823 }, "end": { "local": "2080-10-22T16:45:45+03:30", "utc": "2080-10-22T13:15:45Z", "ms": 3496828544674.9453 } }, "covered_min": 52, "window_min": 660, "qualifies": true }, { "local_date": "2080-10-23", "window": { "start": { "local": "2080-10-23T05:46:57+03:30", "utc": "2080-10-23T02:16:57Z", "ms": 3496875416813.893 }, "end": { "local": "2080-10-23T16:44:32+03:30", "utc": "2080-10-23T13:14:32Z", "ms": 3496914872419.8247 } }, "covered_min": 0, "window_min": 658, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 12:49 on Tue 22 Oct to 15:12 on Wed 23 Oct, and Śravaṇa from 10:40 on Mon 21 Oct to 13:40 on Tue 22 Oct. They are together from 12:49 on Tue 22 Oct to 13:40 on Tue 22 Oct.", "fact": "2080-10-22T09:18:41Z → 2080-10-22T10:10:21Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 05:46–16:46 on the 22nd, 05:47–16:45 on the 23rd.", "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 52 of 660 minutes on the 22nd and 0 of 658 on the 23rd.", "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 3100 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Mashhad, 2080: Tuesday 22 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": "2080-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-10-22", "confidence": "determinate" } ], "quote": "In Mashhad, Vijayā Daśamī (Dussehra) 2080 falls on Tuesday 22 October. Daśamī runs from 12:49 on Tue 22 Oct to 15:12 on Wed 23 Oct and is with Śravaṇa in the day time that day, for 52 minutes.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ekadashi?on=2080-10-24", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33926, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-10-23T15:12:23+03:30", "utc": "2080-10-23T11:42:23Z", "ms": 3496909343016.297 }, "end": { "local": "2080-10-24T17:15:18+03:30", "utc": "2080-10-24T13:45:18Z", "ms": 3497003118031.2085 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2080-10-23T15:12:23+03:30", "utc": "2080-10-23T11:42:23Z", "ms": 3496909343016.297 }, "end": { "local": "2080-10-24T17:15:18+03:30", "utc": "2080-10-24T13:45:18Z", "ms": 3497003118031.2085 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-10-23", "window": { "start": { "local": "2080-10-23T05:46:57+03:30", "utc": "2080-10-23T02:16:57Z", "ms": 3496875416813.893 }, "end": { "local": "2080-10-23T05:46:57+03:30", "utc": "2080-10-23T02:16:57Z", "ms": 3496875416813.893 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-10-24", "window": { "start": { "local": "2080-10-24T05:47:53+03:30", "utc": "2080-10-24T02:17:53Z", "ms": 3496961873172.023 }, "end": { "local": "2080-10-24T05:47:53+03:30", "utc": "2080-10-24T02:17:53Z", "ms": 3496961873172.023 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:12 on Wed 23 Oct to 17:15 on Thu 24 Oct.", "fact": "2080-10-23T11:42:23Z → 2080-10-24T13:45:18Z" }, { "step": "kaala", "text": "Sunrise is at 05:47 on the 23rd and 05:48 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33926 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Mashhad, 2080: Thursday 24 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": "2080-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-10-24", "confidence": "determinate" } ], "quote": "In Mashhad, Pāśāṅkuśā Ekādaśī 2080 falls on Thursday 24 October. Ekādaśī runs from 15:12 on Wed 23 Oct to 17:15 on Thu 24 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-10-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/pradosha-vrata?on=2080-10-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1230, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-10-25T18:47:42+03:30", "utc": "2080-10-25T15:17:42Z", "ms": 3497095062370.109 }, "end": { "local": "2080-10-26T19:43:53+03:30", "utc": "2080-10-26T16:13:53Z", "ms": 3497184833394.261 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "2080-10-25T18:47:42+03:30", "utc": "2080-10-25T15:17:42Z", "ms": 3497095062370.109 }, "end": { "local": "2080-10-26T19:43:53+03:30", "utc": "2080-10-26T16:13:53Z", "ms": 3497184833394.261 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-10-25", "window": { "start": { "local": "2080-10-25T16:42:11+03:30", "utc": "2080-10-25T13:12:11Z", "ms": 3497087531103.751 }, "end": { "local": "2080-10-25T18:27:12+03:30", "utc": "2080-10-25T14:57:12Z", "ms": 3497093831872.029 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "2080-10-26", "window": { "start": { "local": "2080-10-26T16:41:02+03:30", "utc": "2080-10-26T13:11:02Z", "ms": 3497173862109.248 }, "end": { "local": "2080-10-26T18:26:20+03:30", "utc": "2080-10-26T14:56:20Z", "ms": 3497180179720.82 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:48 on Fri 25 Oct to 19:44 on Sat 26 Oct.", "fact": "2080-10-25T15:17:42Z → 2080-10-26T16:13:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:42–18:27 on the 25th, 16:41–18:26 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 105 minutes on the 25th and 105 of 105 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1230 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2080: Saturday 26 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": "2080-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-10-26", "confidence": "boundary" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2080 falls on Saturday 26 October. Trayodaśī runs from 18:48 on Fri 25 Oct to 19:44 on Sat 26 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-10-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8532, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-10-31T15:57:01+03:30", "utc": "2080-10-31T12:27:01Z", "ms": 3497603221467.1826 }, "end": { "local": "2080-11-01T14:03:32+03:30", "utc": "2080-11-01T10:33:32Z", "ms": 3497682812194.087 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-10-31T15:57:01+03:30", "utc": "2080-10-31T12:27:01Z", "ms": 3497603221467.1826 }, "end": { "local": "2080-11-01T14:03:32+03:30", "utc": "2080-11-01T10:33:32Z", "ms": 3497682812194.087 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-10-31", "window": { "start": { "local": "2080-10-31T18:19:14+03:30", "utc": "2080-10-31T14:49:14Z", "ms": 3497611753778.843 }, "end": { "local": "2080-10-31T18:19:14+03:30", "utc": "2080-10-31T14:49:14Z", "ms": 3497611753778.843 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-11-01", "window": { "start": { "local": "2080-11-01T19:17:19+03:30", "utc": "2080-11-01T15:47:19Z", "ms": 3497701638652.359 }, "end": { "local": "2080-11-01T19:17:19+03:30", "utc": "2080-11-01T15:47:19Z", "ms": 3497701638652.359 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:57 on Thu 31 Oct to 14:04 on Fri 1 Nov.", "fact": "2080-10-31T12:27:01Z → 2080-11-01T10:33:32Z" }, { "step": "kaala", "text": "Moonrise is at 18:19 on the 31st and 19:17 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 31st and is not on the 1st.", "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 8532 s" }, { "step": "ruling", "text": "Karaka Caturthī, Mashhad, 2080: Thursday 31 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": "2080-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-10-31", "confidence": "determinate" } ], "quote": "In Mashhad, Karaka Caturthī (Karwa Chauth) 2080 falls on Thursday 31 October. Caturthī runs from 15:57 on Thu 31 Oct to 14:04 on Fri 1 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/sankashta-chaturthi?on=2080-10-31", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8532, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-10-31T15:57:01+03:30", "utc": "2080-10-31T12:27:01Z", "ms": 3497603221467.1826 }, "end": { "local": "2080-11-01T14:03:32+03:30", "utc": "2080-11-01T10:33:32Z", "ms": 3497682812194.087 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-10-31T15:57:01+03:30", "utc": "2080-10-31T12:27:01Z", "ms": 3497603221467.1826 }, "end": { "local": "2080-11-01T14:03:32+03:30", "utc": "2080-11-01T10:33:32Z", "ms": 3497682812194.087 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-10-31", "window": { "start": { "local": "2080-10-31T18:19:14+03:30", "utc": "2080-10-31T14:49:14Z", "ms": 3497611753778.843 }, "end": { "local": "2080-10-31T18:19:14+03:30", "utc": "2080-10-31T14:49:14Z", "ms": 3497611753778.843 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-11-01", "window": { "start": { "local": "2080-11-01T19:17:19+03:30", "utc": "2080-11-01T15:47:19Z", "ms": 3497701638652.359 }, "end": { "local": "2080-11-01T19:17:19+03:30", "utc": "2080-11-01T15:47:19Z", "ms": 3497701638652.359 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:57 on Thu 31 Oct to 14:04 on Fri 1 Nov.", "fact": "2080-10-31T12:27:01Z → 2080-11-01T10:33:32Z" }, { "step": "kaala", "text": "Moonrise is at 18:19 on the 31st and 19:17 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 31st and is not on the 1st.", "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 8532 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2080: Thursday 31 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": "2080-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-10-31", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2080 falls on Thursday 31 October. Caturthī runs from 15:57 on Thu 31 Oct to 14:04 on Fri 1 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/sankashta-chaturthi?on=2080-10-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24542, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2080-11-04T07:45:08+03:30", "utc": "2080-11-04T04:15:08Z", "ms": 3497919307780.0825 }, "end": { "local": "2080-11-05T05:39:04+03:30", "utc": "2080-11-05T02:09:04Z", "ms": 3497998144296.532 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-04T07:45:08+03:30", "utc": "2080-11-04T04:15:08Z", "ms": 3497919307780.0825 }, "end": { "local": "2080-11-05T05:39:04+03:30", "utc": "2080-11-05T02:09:04Z", "ms": 3497998144296.532 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-11-03", "window": { "start": { "local": "2080-11-03T21:36:33+03:30", "utc": "2080-11-03T18:06:33Z", "ms": 3497882793290.087 }, "end": { "local": "2080-11-03T21:36:33+03:30", "utc": "2080-11-03T18:06:33Z", "ms": 3497882793290.087 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-11-04", "window": { "start": { "local": "2080-11-04T22:50:02+03:30", "utc": "2080-11-04T19:20:02Z", "ms": 3497973602259.7163 }, "end": { "local": "2080-11-04T22:50:02+03:30", "utc": "2080-11-04T19:20:02Z", "ms": 3497973602259.7163 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:45 on Mon 4 Nov to 05:39 on Tue 5 Nov.", "fact": "2080-11-04T04:15:08Z → 2080-11-05T02:09:04Z" }, { "step": "kaala", "text": "Moonrise is at 21:37 on the 3rd and 22:50 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 3rd and is on the 4th.", "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 24542 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Mashhad, 2080: Monday 4 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-04", "confidence": "determinate" } ], "quote": "In Mashhad, Ahoyī Aṣṭamī 2080 falls on Monday 4 November. Aṣṭamī runs from 07:45 on Mon 4 Nov to 05:39 on Tue 5 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ekadashi?on=2080-11-07", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15581, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-11-07T01:41:53+03:30", "utc": "2080-11-06T22:11:53Z", "ms": 3498156713044.38 }, "end": { "local": "2080-11-07T23:54:37+03:30", "utc": "2080-11-07T20:24:37Z", "ms": 3498236677304.1416 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-07T01:41:53+03:30", "utc": "2080-11-06T22:11:53Z", "ms": 3498156713044.38 }, "end": { "local": "2080-11-07T23:54:37+03:30", "utc": "2080-11-07T20:24:37Z", "ms": 3498236677304.1416 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-11-07", "window": { "start": { "local": "2080-11-07T06:01:34+03:30", "utc": "2080-11-07T02:31:34Z", "ms": 3498172294318.5884 }, "end": { "local": "2080-11-07T06:01:34+03:30", "utc": "2080-11-07T02:31:34Z", "ms": 3498172294318.5884 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-11-08", "window": { "start": { "local": "2080-11-08T06:02:35+03:30", "utc": "2080-11-08T02:32:35Z", "ms": 3498258754866.877 }, "end": { "local": "2080-11-08T06:02:35+03:30", "utc": "2080-11-08T02:32:35Z", "ms": 3498258754866.877 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:42 on Thu 7 Nov to 23:55 on Thu 7 Nov.", "fact": "2080-11-06T22:11:53Z → 2080-11-07T20:24:37Z" }, { "step": "kaala", "text": "Sunrise is at 06:02 on the 7th and 06:03 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15581 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Mashhad, 2080: Thursday 7 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": "2080-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-07", "confidence": "determinate" } ], "quote": "In Mashhad, Ramā Ekādaśī 2080 falls on Thursday 7 November. Ekādaśī runs from 01:42 on Thu 7 Nov to 23:55 on Thu 7 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-11-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14475, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2080-11-07T23:54:37+03:30", "utc": "2080-11-07T20:24:37Z", "ms": 3498236677304.1416 }, "end": { "local": "2080-11-08T22:18:02+03:30", "utc": "2080-11-08T18:48:02Z", "ms": 3498317281687.1904 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-07T23:54:37+03:30", "utc": "2080-11-07T20:24:37Z", "ms": 3498236677304.1416 }, "end": { "local": "2080-11-08T22:18:02+03:30", "utc": "2080-11-08T18:48:02Z", "ms": 3498317281687.1904 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-11-07", "window": { "start": { "local": "2080-11-07T16:28:54+03:30", "utc": "2080-11-07T12:58:54Z", "ms": 3498209933964.26 }, "end": { "local": "2080-11-07T18:17:23+03:30", "utc": "2080-11-07T14:47:23Z", "ms": 3498216443417.942 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "2080-11-08", "window": { "start": { "local": "2080-11-08T16:28:03+03:30", "utc": "2080-11-08T12:58:03Z", "ms": 3498296282625.607 }, "end": { "local": "2080-11-08T18:16:47+03:30", "utc": "2080-11-08T14:46:47Z", "ms": 3498302807017.5376 } }, "covered_min": 109, "window_min": 109, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 23:55 on Thu 7 Nov to 22:18 on Fri 8 Nov.", "fact": "2080-11-07T20:24:37Z → 2080-11-08T18:48:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:29–18:17 on the 7th, 16:28–18:17 on the 8th.", "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 108 minutes on the 7th and 109 of 109 on the 8th.", "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 14475 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Mashhad, 2080: Friday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-08", "confidence": "determinate" } ], "quote": "In Mashhad, Govatsa Dvādaśī (Vasu Baras) 2080 falls on Friday 8 November. Dvādaśī runs from 23:55 on Thu 7 Nov to 22:18 on Fri 8 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9547, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-11-08T22:18:02+03:30", "utc": "2080-11-08T18:48:02Z", "ms": 3498317281687.1904 }, "end": { "local": "2080-11-09T20:55:19+03:30", "utc": "2080-11-09T17:25:19Z", "ms": 3498398718656.332 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-08T22:18:02+03:30", "utc": "2080-11-08T18:48:02Z", "ms": 3498317281687.1904 }, "end": { "local": "2080-11-09T20:55:19+03:30", "utc": "2080-11-09T17:25:19Z", "ms": 3498398718656.332 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-11-08", "window": { "start": { "local": "2080-11-08T16:28:03+03:30", "utc": "2080-11-08T12:58:03Z", "ms": 3498296282625.607 }, "end": { "local": "2080-11-08T18:16:47+03:30", "utc": "2080-11-08T14:46:47Z", "ms": 3498302807017.5376 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "2080-11-09", "window": { "start": { "local": "2080-11-09T16:27:13+03:30", "utc": "2080-11-09T12:57:13Z", "ms": 3498382632869.3867 }, "end": { "local": "2080-11-09T18:16:12+03:30", "utc": "2080-11-09T14:46:12Z", "ms": 3498389172004.635 } }, "covered_min": 109, "window_min": 109, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:18 on Fri 8 Nov to 20:55 on Sat 9 Nov.", "fact": "2080-11-08T18:48:02Z → 2080-11-09T17:25:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:28–18:17 on the 8th, 16:27–18:16 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 109 minutes on the 8th and 109 of 109 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9547 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Mashhad, 2080: Saturday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-09", "confidence": "determinate" } ], "quote": "In Mashhad, Yama Dīpadāna 2080 falls on Saturday 9 November. Trayodaśī runs from 22:18 on Fri 8 Nov to 20:55 on Sat 9 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/pradosha-vrata?on=2080-11-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9547, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-11-08T22:18:02+03:30", "utc": "2080-11-08T18:48:02Z", "ms": 3498317281687.1904 }, "end": { "local": "2080-11-09T20:55:19+03:30", "utc": "2080-11-09T17:25:19Z", "ms": 3498398718656.332 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-08T22:18:02+03:30", "utc": "2080-11-08T18:48:02Z", "ms": 3498317281687.1904 }, "end": { "local": "2080-11-09T20:55:19+03:30", "utc": "2080-11-09T17:25:19Z", "ms": 3498398718656.332 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-11-08", "window": { "start": { "local": "2080-11-08T16:28:03+03:30", "utc": "2080-11-08T12:58:03Z", "ms": 3498296282625.607 }, "end": { "local": "2080-11-08T18:16:47+03:30", "utc": "2080-11-08T14:46:47Z", "ms": 3498302807017.5376 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "2080-11-09", "window": { "start": { "local": "2080-11-09T16:27:13+03:30", "utc": "2080-11-09T12:57:13Z", "ms": 3498382632869.3867 }, "end": { "local": "2080-11-09T18:16:12+03:30", "utc": "2080-11-09T14:46:12Z", "ms": 3498389172004.635 } }, "covered_min": 109, "window_min": 109, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:18 on Fri 8 Nov to 20:55 on Sat 9 Nov.", "fact": "2080-11-08T18:48:02Z → 2080-11-09T17:25:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:28–18:17 on the 8th, 16:27–18:16 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 109 minutes on the 8th and 109 of 109 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9547 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2080: Saturday 9 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": "2080-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-09", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2080 falls on Saturday 9 November. Trayodaśī runs from 22:18 on Fri 8 Nov to 20:55 on Sat 9 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-11-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/shivaratri?on=2080-11-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6996, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2080-11-09T20:55:19+03:30", "utc": "2080-11-09T17:25:19Z", "ms": 3498398718656.332 }, "end": { "local": "2080-11-10T19:50:31+03:30", "utc": "2080-11-10T16:20:31Z", "ms": 3498481230657.056 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-09T20:55:19+03:30", "utc": "2080-11-09T17:25:19Z", "ms": 3498398718656.332 }, "end": { "local": "2080-11-10T19:50:31+03:30", "utc": "2080-11-10T16:20:31Z", "ms": 3498481230657.056 } }, "kaala": "nishita", "days": [ { "local_date": "2080-11-09", "window": { "start": { "local": "2080-11-09T22:51:55+03:30", "utc": "2080-11-09T19:21:55Z", "ms": 3498405714626.5664 }, "end": { "local": "2080-11-09T23:39:55+03:30", "utc": "2080-11-09T20:09:55Z", "ms": 3498408594626.5664 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-11-10", "window": { "start": { "local": "2080-11-10T22:52:01+03:30", "utc": "2080-11-10T19:22:01Z", "ms": 3498492121006.823 }, "end": { "local": "2080-11-10T23:40:01+03:30", "utc": "2080-11-10T20:10:01Z", "ms": 3498495001006.823 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:55 on Sat 9 Nov to 19:51 on Sun 10 Nov.", "fact": "2080-11-09T17:25:19Z → 2080-11-10T16:20:31Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:52–23:40 on the 9th, 22:52–23:40 on the 10th.", "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 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6996 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2080: Saturday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-09", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2080 falls on Saturday 9 November. Caturdaśī runs from 20:55 on Sat 9 Nov to 19:51 on Sun 10 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2080/shivaratri?on=2080-11-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26419, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2080-11-09T20:55:19+03:30", "utc": "2080-11-09T17:25:19Z", "ms": 3498398718656.332 }, "end": { "local": "2080-11-10T19:50:31+03:30", "utc": "2080-11-10T16:20:31Z", "ms": 3498481230657.056 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-09T20:55:19+03:30", "utc": "2080-11-09T17:25:19Z", "ms": 3498398718656.332 }, "end": { "local": "2080-11-10T19:50:31+03:30", "utc": "2080-11-10T16:20:31Z", "ms": 3498481230657.056 } }, "kaala": "arunodaya", "days": [ { "local_date": "2080-11-10", "window": { "start": { "local": "2080-11-10T04:15:37+03:30", "utc": "2080-11-10T00:45:37Z", "ms": 3498425137248.4985 }, "end": { "local": "2080-11-10T06:04:36+03:30", "utc": "2080-11-10T02:34:36Z", "ms": 3498431676383.7466 } }, "covered_min": 109, "window_min": 109, "qualifies": true }, { "local_date": "2080-11-11", "window": { "start": { "local": "2080-11-11T04:16:24+03:30", "utc": "2080-11-11T00:46:24Z", "ms": 3498511583615.4893 }, "end": { "local": "2080-11-11T06:05:37+03:30", "utc": "2080-11-11T02:35:37Z", "ms": 3498518137291.368 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:55 on Sat 9 Nov to 19:51 on Sun 10 Nov.", "fact": "2080-11-09T17:25:19Z → 2080-11-10T16:20:31Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:16–06:05 on the 10th, 04:16–06:06 on the 11th.", "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 109 of 109 minutes on the 10th and 0 of 109 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26419 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Mashhad, 2080: Sunday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-10", "confidence": "determinate" } ], "quote": "In Mashhad, Naraka Caturdaśī (Choti Diwali) 2080 falls on Sunday 10 November. Caturdaśī runs from 20:55 on Sat 9 Nov to 19:51 on Sun 10 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10890, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2080-11-10T19:50:31+03:30", "utc": "2080-11-10T16:20:31Z", "ms": 3498481230657.056 }, "end": { "local": "2080-11-11T19:08:20+03:30", "utc": "2080-11-11T15:38:20Z", "ms": 3498565100390.5107 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-10T19:50:31+03:30", "utc": "2080-11-10T16:20:31Z", "ms": 3498481230657.056 }, "end": { "local": "2080-11-11T19:08:20+03:30", "utc": "2080-11-11T15:38:20Z", "ms": 3498565100390.5107 } }, "kaala": "nishita", "days": [ { "local_date": "2080-11-10", "window": { "start": { "local": "2080-11-10T22:52:01+03:30", "utc": "2080-11-10T19:22:01Z", "ms": 3498492121006.823 }, "end": { "local": "2080-11-10T23:40:01+03:30", "utc": "2080-11-10T20:10:01Z", "ms": 3498495001006.823 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-11-11", "window": { "start": { "local": "2080-11-11T22:52:08+03:30", "utc": "2080-11-11T19:22:08Z", "ms": 3498578528232.342 }, "end": { "local": "2080-11-11T23:40:08+03:30", "utc": "2080-11-11T20:10:08Z", "ms": 3498581408232.342 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 19:51 on Sun 10 Nov to 19:08 on Mon 11 Nov.", "fact": "2080-11-10T16:20:31Z → 2080-11-11T15:38:20Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:52–23:40 on the 10th, 22:52–23:40 on the 11th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10890 s" }, { "step": "ruling", "text": "Kālī Pūjā, Mashhad, 2080: Sunday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-10", "confidence": "determinate" } ], "quote": "In Mashhad, Kālī Pūjā 2080 falls on Sunday 10 November. Amāvasyā runs from 19:51 on Sun 10 Nov to 19:08 on Mon 11 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3194, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "2080-11-10T19:50:31+03:30", "utc": "2080-11-10T16:20:31Z", "ms": 3498481230657.056 }, "end": { "local": "2080-11-11T19:08:20+03:30", "utc": "2080-11-11T15:38:20Z", "ms": 3498565100390.5107 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-10T19:50:31+03:30", "utc": "2080-11-10T16:20:31Z", "ms": 3498481230657.056 }, "end": { "local": "2080-11-11T19:08:20+03:30", "utc": "2080-11-11T15:38:20Z", "ms": 3498565100390.5107 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-11-10", "window": { "start": { "local": "2080-11-10T16:26:25+03:30", "utc": "2080-11-10T12:56:25Z", "ms": 3498468984722.278 }, "end": { "local": "2080-11-10T18:15:38+03:30", "utc": "2080-11-10T14:45:38Z", "ms": 3498475538398.1567 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "2080-11-11", "window": { "start": { "local": "2080-11-11T16:25:38+03:30", "utc": "2080-11-11T12:55:38Z", "ms": 3498555338209.9814 }, "end": { "local": "2080-11-11T18:15:06+03:30", "utc": "2080-11-11T14:45:06Z", "ms": 3498561906215.9443 } }, "covered_min": 109, "window_min": 109, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 19:51 on Sun 10 Nov to 19:08 on Mon 11 Nov.", "fact": "2080-11-10T16:20:31Z → 2080-11-11T15:38:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:26–18:16 on the 10th, 16:26–18:15 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 109 minutes on the 10th and 109 of 109 on the 11th.", "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 3194 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Mashhad, 2080: Monday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-11", "confidence": "boundary" } ], "quote": "In Mashhad, Lakṣmī Pūjā (Diwali) 2080 falls on Monday 11 November. Amāvasyā runs from 19:51 on Sun 10 Nov to 19:08 on Mon 11 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26039, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2080-11-11T19:08:20+03:30", "utc": "2080-11-11T15:38:20Z", "ms": 3498565100390.5107 }, "end": { "local": "2080-11-12T18:53:45+03:30", "utc": "2080-11-12T15:23:45Z", "ms": 3498650624759.299 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-11T19:08:20+03:30", "utc": "2080-11-11T15:38:20Z", "ms": 3498565100390.5107 }, "end": { "local": "2080-11-12T18:53:45+03:30", "utc": "2080-11-12T15:23:45Z", "ms": 3498650624759.299 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-11-11", "window": { "start": { "local": "2080-11-11T10:51:38+03:30", "utc": "2080-11-11T07:21:38Z", "ms": 3498535297750.675 }, "end": { "local": "2080-11-11T11:39:38+03:30", "utc": "2080-11-11T08:09:38Z", "ms": 3498538177750.675 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-11-12", "window": { "start": { "local": "2080-11-12T10:51:46+03:30", "utc": "2080-11-12T07:21:46Z", "ms": 3498621705806.1104 }, "end": { "local": "2080-11-12T11:39:46+03:30", "utc": "2080-11-12T08:09:46Z", "ms": 3498624585806.1104 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 19:08 on Mon 11 Nov to 18:54 on Tue 12 Nov.", "fact": "2080-11-11T15:38:20Z → 2080-11-12T15:23:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 11th, 10:52–11:40 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26039 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Mashhad, 2080: Tuesday 12 November.", "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": "2080-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-12", "confidence": "determinate" } ], "quote": "In Mashhad, Govardhana Pūjā 2080 falls on Tuesday 12 November. Pratipadā runs from 19:08 on Mon 11 Nov to 18:54 on Tue 12 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2349, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2080-11-11T19:08:20+03:30", "utc": "2080-11-11T15:38:20Z", "ms": 3498565100390.5107 }, "end": { "local": "2080-11-12T18:53:45+03:30", "utc": "2080-11-12T15:23:45Z", "ms": 3498650624759.299 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-11T19:08:20+03:30", "utc": "2080-11-11T15:38:20Z", "ms": 3498565100390.5107 }, "end": { "local": "2080-11-12T18:53:45+03:30", "utc": "2080-11-12T15:23:45Z", "ms": 3498650624759.299 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-11-11", "window": { "start": { "local": "2080-11-11T16:25:38+03:30", "utc": "2080-11-11T12:55:38Z", "ms": 3498555338209.9814 }, "end": { "local": "2080-11-11T18:15:06+03:30", "utc": "2080-11-11T14:45:06Z", "ms": 3498561906215.9443 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "2080-11-12", "window": { "start": { "local": "2080-11-12T16:24:53+03:30", "utc": "2080-11-12T12:54:53Z", "ms": 3498641693357.5186 }, "end": { "local": "2080-11-12T18:14:35+03:30", "utc": "2080-11-12T14:44:35Z", "ms": 3498648275475.053 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 19:08 on Mon 11 Nov to 18:54 on Tue 12 Nov.", "fact": "2080-11-11T15:38:20Z → 2080-11-12T15:23:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:26–18:15 on the 11th, 16:25–18:15 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 0 of 109 minutes on the 11th and 110 of 110 on the 12th.", "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 2349 s" }, { "step": "ruling", "text": "Bali Pūjā, Mashhad, 2080: Tuesday 12 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-12", "confidence": "boundary" } ], "quote": "In Mashhad, Bali Pūjā 2080 falls on Tuesday 12 November. Pratipadā runs from 19:08 on Mon 11 Nov to 18:54 on Tue 12 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33661, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "2080-11-11T19:08:20+03:30", "utc": "2080-11-11T15:38:20Z", "ms": 3498565100390.5107 }, "end": { "local": "2080-11-12T18:53:45+03:30", "utc": "2080-11-12T15:23:45Z", "ms": 3498650624759.299 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-11T19:08:20+03:30", "utc": "2080-11-11T15:38:20Z", "ms": 3498565100390.5107 }, "end": { "local": "2080-11-12T18:53:45+03:30", "utc": "2080-11-12T15:23:45Z", "ms": 3498650624759.299 } }, "kaala": "purvahna", "days": [ { "local_date": "2080-11-11", "window": { "start": { "local": "2080-11-11T06:05:37+03:30", "utc": "2080-11-11T02:35:37Z", "ms": 3498518137291.368 }, "end": { "local": "2080-11-11T09:32:18+03:30", "utc": "2080-11-11T06:02:18Z", "ms": 3498530537597.5728 } }, "covered_min": 0, "window_min": 207, "qualifies": false }, { "local_date": "2080-11-12", "window": { "start": { "local": "2080-11-12T06:06:38+03:30", "utc": "2080-11-12T02:36:38Z", "ms": 3498604598254.702 }, "end": { "local": "2080-11-12T09:32:43+03:30", "utc": "2080-11-12T06:02:43Z", "ms": 3498616963288.974 } }, "covered_min": 206, "window_min": 206, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 19:08 on Mon 11 Nov to 18:54 on Tue 12 Nov.", "fact": "2080-11-11T15:38:20Z → 2080-11-12T15:23:45Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:06–09:32 on the 11th, 06:07–09:33 on the 12th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 207 minutes on the 11th and 206 of 206 on the 12th.", "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 33661 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Mashhad, 2080: Tuesday 12 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-12", "confidence": "determinate" } ], "quote": "In Mashhad, Dyūta Pratipad 2080 falls on Tuesday 12 November. Pratipadā runs from 19:08 on Mon 11 Nov to 18:54 on Tue 12 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26039, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "2080-11-12T18:53:45+03:30", "utc": "2080-11-12T15:23:45Z", "ms": 3498650624759.299 }, "end": { "local": "2080-11-13T19:11:12+03:30", "utc": "2080-11-13T15:41:12Z", "ms": 3498738071796.183 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-12T18:53:45+03:30", "utc": "2080-11-12T15:23:45Z", "ms": 3498650624759.299 }, "end": { "local": "2080-11-13T19:11:12+03:30", "utc": "2080-11-13T15:41:12Z", "ms": 3498738071796.183 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-11-12", "window": { "start": { "local": "2080-11-12T10:51:46+03:30", "utc": "2080-11-12T07:21:46Z", "ms": 3498621705806.1104 }, "end": { "local": "2080-11-12T11:39:46+03:30", "utc": "2080-11-12T08:09:46Z", "ms": 3498624585806.1104 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-11-13", "window": { "start": { "local": "2080-11-13T10:51:55+03:30", "utc": "2080-11-13T07:21:55Z", "ms": 3498708114714.2563 }, "end": { "local": "2080-11-13T11:39:55+03:30", "utc": "2080-11-13T08:09:55Z", "ms": 3498710994714.2563 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 18:54 on Tue 12 Nov to 19:11 on Wed 13 Nov.", "fact": "2080-11-12T15:23:45Z → 2080-11-13T15:41:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 12th, 10:52–11:40 on the 13th.", "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 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26039 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Mashhad, 2080: Wednesday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-13", "confidence": "determinate" } ], "quote": "In Mashhad, Yama Dvitīyā (Bhai Dooj) 2080 falls on Wednesday 13 November. Dvitīyā runs from 18:54 on Tue 12 Nov to 19:11 on Wed 13 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30217, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-11-14T20:03:42+03:30", "utc": "2080-11-14T16:33:42Z", "ms": 3498827621747.971 }, "end": { "local": "2080-11-15T21:31:38+03:30", "utc": "2080-11-15T18:01:38Z", "ms": 3498919297734.508 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-14T20:03:42+03:30", "utc": "2080-11-14T16:33:42Z", "ms": 3498827621747.971 }, "end": { "local": "2080-11-15T21:31:38+03:30", "utc": "2080-11-15T18:01:38Z", "ms": 3498919297734.508 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-11-14", "window": { "start": { "local": "2080-11-14T10:52:04+03:30", "utc": "2080-11-14T07:22:04Z", "ms": 3498794524469.3286 }, "end": { "local": "2080-11-14T11:40:04+03:30", "utc": "2080-11-14T08:10:04Z", "ms": 3498797404469.3286 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-11-15", "window": { "start": { "local": "2080-11-15T10:52:15+03:30", "utc": "2080-11-15T07:22:15Z", "ms": 3498880935064.9707 }, "end": { "local": "2080-11-15T11:40:15+03:30", "utc": "2080-11-15T08:10:15Z", "ms": 3498883815064.9707 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:04 on Thu 14 Nov to 21:32 on Fri 15 Nov.", "fact": "2080-11-14T16:33:42Z → 2080-11-15T18:01:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 14th, 10:52–11:40 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30217 s" }, { "step": "ruling", "text": "Nāga Caturthī, Mashhad, 2080: Friday 15 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-15", "confidence": "determinate" } ], "quote": "In Mashhad, Nāga Caturthī 2080 falls on Friday 15 November. Caturthī runs from 20:04 on Thu 14 Nov to 21:32 on Fri 15 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-11-15", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30217, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-11-14T20:03:42+03:30", "utc": "2080-11-14T16:33:42Z", "ms": 3498827621747.971 }, "end": { "local": "2080-11-15T21:31:38+03:30", "utc": "2080-11-15T18:01:38Z", "ms": 3498919297734.508 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-14T20:03:42+03:30", "utc": "2080-11-14T16:33:42Z", "ms": 3498827621747.971 }, "end": { "local": "2080-11-15T21:31:38+03:30", "utc": "2080-11-15T18:01:38Z", "ms": 3498919297734.508 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-11-14", "window": { "start": { "local": "2080-11-14T10:52:04+03:30", "utc": "2080-11-14T07:22:04Z", "ms": 3498794524469.3286 }, "end": { "local": "2080-11-14T11:40:04+03:30", "utc": "2080-11-14T08:10:04Z", "ms": 3498797404469.3286 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-11-15", "window": { "start": { "local": "2080-11-15T10:52:15+03:30", "utc": "2080-11-15T07:22:15Z", "ms": 3498880935064.9707 }, "end": { "local": "2080-11-15T11:40:15+03:30", "utc": "2080-11-15T08:10:15Z", "ms": 3498883815064.9707 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:04 on Thu 14 Nov to 21:32 on Fri 15 Nov.", "fact": "2080-11-14T16:33:42Z → 2080-11-15T18:01:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 14th, 10:52–11:40 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30217 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2080: Friday 15 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": "2080-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-15", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 2080 falls on Friday 15 November. Caturthī runs from 20:04 on Thu 14 Nov to 21:32 on Fri 15 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-11-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32212, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2080-11-16T23:31:39+03:30", "utc": "2080-11-16T20:01:39Z", "ms": 3499012899042.16 }, "end": { "local": "2080-11-18T01:55:59+03:30", "utc": "2080-11-17T22:25:59Z", "ms": 3499107959370.3696 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-16T23:31:39+03:30", "utc": "2080-11-16T20:01:39Z", "ms": 3499012899042.16 }, "end": { "local": "2080-11-18T01:55:59+03:30", "utc": "2080-11-17T22:25:59Z", "ms": 3499107959370.3696 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-11-17", "window": { "start": { "local": "2080-11-17T10:52:39+03:30", "utc": "2080-11-17T07:22:39Z", "ms": 3499053758750.0337 }, "end": { "local": "2080-11-17T11:40:39+03:30", "utc": "2080-11-17T08:10:39Z", "ms": 3499056638750.0337 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-11-18", "window": { "start": { "local": "2080-11-18T10:52:52+03:30", "utc": "2080-11-18T07:22:52Z", "ms": 3499140171824.217 }, "end": { "local": "2080-11-18T11:40:52+03:30", "utc": "2080-11-18T08:10:52Z", "ms": 3499143051824.217 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 23:32 on Sat 16 Nov to 01:56 on Mon 18 Nov.", "fact": "2080-11-16T20:01:39Z → 2080-11-17T22:25:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:53–11:41 on the 17th, 10:53–11:41 on the 18th.", "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 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32212 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Mashhad, 2080: Sunday 17 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-11-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-17", "confidence": "determinate" } ], "quote": "In Mashhad, Sūrya Ṣaṣṭhī (Chhath) 2080 falls on Sunday 17 November. Ṣaṣṭhī runs from 23:32 on Sat 16 Nov to 01:56 on Mon 18 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13609, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "2080-11-19T04:32:37+03:30", "utc": "2080-11-19T01:02:37Z", "ms": 3499203756671.2603 }, "end": { "local": "2080-11-20T07:06:31+03:30", "utc": "2080-11-20T03:36:31Z", "ms": 3499299391384.434 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-19T04:32:37+03:30", "utc": "2080-11-19T01:02:37Z", "ms": 3499203756671.2603 }, "end": { "local": "2080-11-20T07:06:31+03:30", "utc": "2080-11-20T03:36:31Z", "ms": 3499299391384.434 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-11-19", "window": { "start": { "local": "2080-11-19T10:53:06+03:30", "utc": "2080-11-19T07:23:06Z", "ms": 3499226585708.423 }, "end": { "local": "2080-11-19T11:41:06+03:30", "utc": "2080-11-19T08:11:06Z", "ms": 3499229465708.423 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-11-20", "window": { "start": { "local": "2080-11-20T10:53:20+03:30", "utc": "2080-11-20T07:23:20Z", "ms": 3499313000393.6104 }, "end": { "local": "2080-11-20T11:41:20+03:30", "utc": "2080-11-20T08:11:20Z", "ms": 3499315880393.6104 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 04:33 on Tue 19 Nov to 07:07 on Wed 20 Nov.", "fact": "2080-11-19T01:02:37Z → 2080-11-20T03:36:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:53–11:41 on the 19th, 10:53–11:41 on the 20th.", "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 19th and 0 of 48 on the 20th.", "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 13609 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Mashhad, 2080: Tuesday 19 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-19", "confidence": "determinate" } ], "quote": "In Mashhad, Gopāṣṭamī 2080 falls on Tuesday 19 November. Aṣṭamī runs from 04:33 on Tue 19 Nov to 07:07 on Wed 20 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5493, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2080-11-20T07:06:31+03:30", "utc": "2080-11-20T03:36:31Z", "ms": 3499299391384.434 }, "end": { "local": "2080-11-21T09:22:03+03:30", "utc": "2080-11-21T05:52:03Z", "ms": 3499393923287.1 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-20T07:06:31+03:30", "utc": "2080-11-20T03:36:31Z", "ms": 3499299391384.434 }, "end": { "local": "2080-11-21T09:22:03+03:30", "utc": "2080-11-21T05:52:03Z", "ms": 3499393923287.1 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-11-20", "window": { "start": { "local": "2080-11-20T10:53:20+03:30", "utc": "2080-11-20T07:23:20Z", "ms": 3499313000393.6104 }, "end": { "local": "2080-11-20T11:41:20+03:30", "utc": "2080-11-20T08:11:20Z", "ms": 3499315880393.6104 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-11-21", "window": { "start": { "local": "2080-11-21T10:53:36+03:30", "utc": "2080-11-21T07:23:36Z", "ms": 3499399415870.142 }, "end": { "local": "2080-11-21T11:41:36+03:30", "utc": "2080-11-21T08:11:36Z", "ms": 3499402295870.142 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 07:07 on Wed 20 Nov to 09:22 on Thu 21 Nov.", "fact": "2080-11-20T03:36:31Z → 2080-11-21T05:52:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:53–11:41 on the 20th, 10:54–11:42 on the 21st.", "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 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5493 s" }, { "step": "ruling", "text": "Durgā Navamī, Mashhad, 2080: Wednesday 20 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": "2080-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-20", "confidence": "determinate" } ], "quote": "In Mashhad, Durgā Navamī 2080 falls on Wednesday 20 November. Navamī runs from 07:07 on Wed 20 Nov to 09:22 on Thu 21 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-21", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 895, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "2080-11-20T07:06:31+03:30", "utc": "2080-11-20T03:36:31Z", "ms": 3499299391384.434 }, "end": { "local": "2080-11-21T09:22:03+03:30", "utc": "2080-11-21T05:52:03Z", "ms": 3499393923287.1 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-20T07:06:31+03:30", "utc": "2080-11-20T03:36:31Z", "ms": 3499299391384.434 }, "end": { "local": "2080-11-21T09:22:03+03:30", "utc": "2080-11-21T05:52:03Z", "ms": 3499393923287.1 } }, "kaala": "purvahna", "days": [ { "local_date": "2080-11-20", "window": { "start": { "local": "2080-11-20T06:14:44+03:30", "utc": "2080-11-20T02:44:44Z", "ms": 3499296283609.361 }, "end": { "local": "2080-11-20T09:36:28+03:30", "utc": "2080-11-20T06:06:28Z", "ms": 3499308388132.194 } }, "covered_min": 150, "window_min": 202, "qualifies": true }, { "local_date": "2080-11-21", "window": { "start": { "local": "2080-11-21T06:15:43+03:30", "utc": "2080-11-21T02:45:43Z", "ms": 3499382743410.831 }, "end": { "local": "2080-11-21T09:36:58+03:30", "utc": "2080-11-21T06:06:58Z", "ms": 3499394818383.705 } }, "covered_min": 186, "window_min": 201, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Navamī runs from 07:07 on Wed 20 Nov to 09:22 on Thu 21 Nov.", "fact": "2080-11-20T03:36:31Z → 2080-11-21T05:52:03Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:15–09:36 on the 20th, 06:16–09:37 on the 21st.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 150 of 202 minutes on the 20th and 186 of 201 on the 21st.", "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 895 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Mashhad, 2080: Thursday 21 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-11-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-21", "confidence": "boundary" } ], "quote": "In Mashhad, Akṣaya Navamī (Amla Navami) 2080 falls on Thursday 21 November. Navamī runs from 07:07 on Wed 20 Nov to 09:22 on Thu 21 Nov and covers 186 of 201 minutes of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 150 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/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ekadashi?on=2080-11-23", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17324, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-11-22T11:05:27+03:30", "utc": "2080-11-22T07:35:27Z", "ms": 3499486527200.2007 }, "end": { "local": "2080-11-23T12:06:57+03:30", "utc": "2080-11-23T08:36:57Z", "ms": 3499576616945.474 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-22T11:05:27+03:30", "utc": "2080-11-22T07:35:27Z", "ms": 3499486527200.2007 }, "end": { "local": "2080-11-23T12:06:57+03:30", "utc": "2080-11-23T08:36:57Z", "ms": 3499576616945.474 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-11-22", "window": { "start": { "local": "2080-11-22T06:16:43+03:30", "utc": "2080-11-22T02:46:43Z", "ms": 3499469202887.2046 }, "end": { "local": "2080-11-22T06:16:43+03:30", "utc": "2080-11-22T02:46:43Z", "ms": 3499469202887.2046 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-11-23", "window": { "start": { "local": "2080-11-23T06:17:42+03:30", "utc": "2080-11-23T02:47:42Z", "ms": 3499555661997.8584 }, "end": { "local": "2080-11-23T06:17:42+03:30", "utc": "2080-11-23T02:47:42Z", "ms": 3499555661997.8584 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:05 on Fri 22 Nov to 12:07 on Sat 23 Nov.", "fact": "2080-11-22T07:35:27Z → 2080-11-23T08:36:57Z" }, { "step": "kaala", "text": "Sunrise is at 06:17 on the 22nd and 06:18 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 17324 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Mashhad, 2080: Saturday 23 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": "2080-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-23", "confidence": "determinate" } ], "quote": "In Mashhad, Prabodhinī Ekādaśī 2080 falls on Saturday 23 November. Ekādaśī runs from 11:05 on Fri 22 Nov to 12:07 on Sat 23 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-11-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/pradosha-vrata?on=2080-11-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14189, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-11-24T12:21:45+03:30", "utc": "2080-11-24T08:51:45Z", "ms": 3499663904574.884 }, "end": { "local": "2080-11-25T11:49:53+03:30", "utc": "2080-11-25T08:19:53Z", "ms": 3499748393398.957 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-24T12:21:45+03:30", "utc": "2080-11-24T08:51:45Z", "ms": 3499663904574.884 }, "end": { "local": "2080-11-25T11:49:53+03:30", "utc": "2080-11-25T08:19:53Z", "ms": 3499748393398.957 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-11-24", "window": { "start": { "local": "2080-11-24T16:18:13+03:30", "utc": "2080-11-24T12:48:13Z", "ms": 3499678093184.893 }, "end": { "local": "2080-11-24T18:10:25+03:30", "utc": "2080-11-24T14:40:25Z", "ms": 3499684824621.519 } }, "covered_min": 112, "window_min": 112, "qualifies": true }, { "local_date": "2080-11-25", "window": { "start": { "local": "2080-11-25T16:17:52+03:30", "utc": "2080-11-25T12:47:52Z", "ms": 3499764471998.4404 }, "end": { "local": "2080-11-25T18:10:14+03:30", "utc": "2080-11-25T14:40:14Z", "ms": 3499771213962.6255 } }, "covered_min": 0, "window_min": 112, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:22 on Sun 24 Nov to 11:50 on Mon 25 Nov.", "fact": "2080-11-24T08:51:45Z → 2080-11-25T08:19:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:18–18:10 on the 24th, 16:18–18:10 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 112 of 112 minutes on the 24th and 0 of 112 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14189 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2080: Sunday 24 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": "2080-11-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-24", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2080 falls on Sunday 24 November. Trayodaśī runs from 12:22 on Sun 24 Nov to 11:50 on Mon 25 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-11-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1178, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2080-11-26T10:35:26+03:30", "utc": "2080-11-26T07:05:26Z", "ms": 3499830326356.284 }, "end": { "local": "2080-11-27T08:45:16+03:30", "utc": "2080-11-27T05:15:16Z", "ms": 3499910116349.914 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-26T10:35:26+03:30", "utc": "2080-11-26T07:05:26Z", "ms": 3499830326356.284 }, "end": { "local": "2080-11-27T08:45:16+03:30", "utc": "2080-11-27T05:15:16Z", "ms": 3499910116349.914 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-11-26", "window": { "start": { "local": "2080-11-26T10:55:05+03:30", "utc": "2080-11-26T07:25:05Z", "ms": 3499831504750.717 }, "end": { "local": "2080-11-26T11:43:05+03:30", "utc": "2080-11-26T08:13:05Z", "ms": 3499834384750.717 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-11-27", "window": { "start": { "local": "2080-11-27T10:55:25+03:30", "utc": "2080-11-27T07:25:25Z", "ms": 3499917924746.5225 }, "end": { "local": "2080-11-27T11:43:25+03:30", "utc": "2080-11-27T08:13:25Z", "ms": 3499920804746.5225 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:35 on Tue 26 Nov to 08:45 on Wed 27 Nov.", "fact": "2080-11-26T07:05:26Z → 2080-11-27T05:15:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:55–11:43 on the 26th, 10:55–11:43 on the 27th.", "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 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: unstated → only-day · margin 1178 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Mashhad, 2080: Tuesday 26 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": "2080-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-26", "confidence": "determinate" } ], "quote": "In Mashhad, Kārtikī Pūrṇimā 2080 falls on Tuesday 26 November. Pūrṇimā runs from 10:35 on Tue 26 Nov to 08:45 on Wed 27 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32503, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2080-11-26T10:35:26+03:30", "utc": "2080-11-26T07:05:26Z", "ms": 3499830326356.284 }, "end": { "local": "2080-11-27T08:45:16+03:30", "utc": "2080-11-27T05:15:16Z", "ms": 3499910116349.914 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "2080-11-26T10:35:26+03:30", "utc": "2080-11-26T07:05:26Z", "ms": 3499830326356.284 }, "end": { "local": "2080-11-27T08:45:16+03:30", "utc": "2080-11-27T05:15:16Z", "ms": 3499910116349.914 } }, "kaala": "nishita", "days": [ { "local_date": "2080-11-25", "window": { "start": { "local": "2080-11-25T22:55:14+03:30", "utc": "2080-11-25T19:25:14Z", "ms": 3499788314364.1353 }, "end": { "local": "2080-11-25T23:43:14+03:30", "utc": "2080-11-25T20:13:14Z", "ms": 3499791194364.1353 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-11-26", "window": { "start": { "local": "2080-11-26T22:55:33+03:30", "utc": "2080-11-26T19:25:33Z", "ms": 3499874733372.0957 }, "end": { "local": "2080-11-26T23:43:33+03:30", "utc": "2080-11-26T20:13:33Z", "ms": 3499877613372.0957 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:35 on Tue 26 Nov to 08:45 on Wed 27 Nov.", "fact": "2080-11-26T07:05:26Z → 2080-11-27T05:15:16Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:55–23:43 on the 25th, 22:56–23:44 on the 26th.", "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 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32503 s" }, { "step": "ruling", "text": "Rāsayātrā, Mashhad, 2080: Tuesday 26 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": "2080-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-26", "confidence": "determinate" } ], "quote": "In Mashhad, Rāsayātrā 2080 falls on Tuesday 26 November. Pūrṇimā runs from 10:35 on Tue 26 Nov to 08:45 on Wed 27 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/sankashta-chaturthi?on=2080-11-30", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-11-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10807, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-11-30T01:09:02+03:30", "utc": "2080-11-29T21:39:02Z", "ms": 3500141941728.069 }, "end": { "local": "2080-11-30T22:25:11+03:30", "utc": "2080-11-30T18:55:11Z", "ms": 3500218511424.7573 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2080-11-30T01:09:02+03:30", "utc": "2080-11-29T21:39:02Z", "ms": 3500141941728.069 }, "end": { "local": "2080-11-30T22:25:11+03:30", "utc": "2080-11-30T18:55:11Z", "ms": 3500218511424.7573 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-11-29", "window": { "start": { "local": "2080-11-29T18:12:02+03:30", "utc": "2080-11-29T14:42:02Z", "ms": 3500116922096.571 }, "end": { "local": "2080-11-29T18:12:02+03:30", "utc": "2080-11-29T14:42:02Z", "ms": 3500116922096.571 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-11-30", "window": { "start": { "local": "2080-11-30T19:25:05+03:30", "utc": "2080-11-30T15:55:05Z", "ms": 3500207704795.024 }, "end": { "local": "2080-11-30T19:25:05+03:30", "utc": "2080-11-30T15:55:05Z", "ms": 3500207704795.024 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:09 on Sat 30 Nov to 22:25 on Sat 30 Nov.", "fact": "2080-11-29T21:39:02Z → 2080-11-30T18:55:11Z" }, { "step": "kaala", "text": "Moonrise is at 18:12 on the 29th and 19:25 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 29th and is on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10807 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2080: Saturday 30 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": "2080-11-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-11-30", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2080 falls on Saturday 30 November. Caturthī runs from 01:09 on Sat 30 Nov to 22:25 on Sat 30 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/sankashta-chaturthi?on=2080-11-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/ekadashi?on=2080-12-07", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-12-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13469, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-12-06T11:00:50+03:30", "utc": "2080-12-06T07:30:50Z", "ms": 3500695849581.332 }, "end": { "local": "2080-12-07T10:14:57+03:30", "utc": "2080-12-07T06:44:57Z", "ms": 3500779496938.917 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2080-12-06T11:00:50+03:30", "utc": "2080-12-06T07:30:50Z", "ms": 3500695849581.332 }, "end": { "local": "2080-12-07T10:14:57+03:30", "utc": "2080-12-07T06:44:57Z", "ms": 3500779496938.917 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-12-06", "window": { "start": { "local": "2080-12-06T06:29:38+03:30", "utc": "2080-12-06T02:59:38Z", "ms": 3500679578320.4077 }, "end": { "local": "2080-12-06T06:29:38+03:30", "utc": "2080-12-06T02:59:38Z", "ms": 3500679578320.4077 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "2080-12-07", "window": { "start": { "local": "2080-12-07T06:30:28+03:30", "utc": "2080-12-07T03:00:28Z", "ms": 3500766027843.8687 }, "end": { "local": "2080-12-07T06:30:28+03:30", "utc": "2080-12-07T03:00:28Z", "ms": 3500766027843.8687 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:01 on Fri 6 Dec to 10:15 on Sat 7 Dec.", "fact": "2080-12-06T07:30:50Z → 2080-12-07T06:44:57Z" }, { "step": "kaala", "text": "Sunrise is at 06:30 on the 6th and 06:30 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 6th and is 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 13469 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Mashhad, 2080: Saturday 7 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": "2080-12-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-12-07", "confidence": "determinate" } ], "quote": "In Mashhad, Utpannā Ekādaśī 2080 falls on Saturday 7 December. Ekādaśī runs from 11:01 on Fri 6 Dec to 10:15 on Sat 7 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-12-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/pradosha-vrata?on=2080-12-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-12-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23247, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-12-08T09:48:52+03:30", "utc": "2080-12-08T06:18:52Z", "ms": 3500864332220.799 }, "end": { "local": "2080-12-09T09:43:18+03:30", "utc": "2080-12-09T06:13:18Z", "ms": 3500950398016.896 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2080-12-08T09:48:52+03:30", "utc": "2080-12-08T06:18:52Z", "ms": 3500864332220.799 }, "end": { "local": "2080-12-09T09:43:18+03:30", "utc": "2080-12-09T06:13:18Z", "ms": 3500950398016.896 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-12-08", "window": { "start": { "local": "2080-12-08T16:16:19+03:30", "utc": "2080-12-08T12:46:19Z", "ms": 3500887579470.5894 }, "end": { "local": "2080-12-08T18:10:25+03:30", "utc": "2080-12-08T14:40:25Z", "ms": 3500894425368.06 } }, "covered_min": 114, "window_min": 114, "qualifies": true }, { "local_date": "2080-12-09", "window": { "start": { "local": "2080-12-09T16:16:27+03:30", "utc": "2080-12-09T12:46:27Z", "ms": 3500973986622.8623 }, "end": { "local": "2080-12-09T18:10:38+03:30", "utc": "2080-12-09T14:40:38Z", "ms": 3500980837730.442 } }, "covered_min": 0, "window_min": 114, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:49 on Sun 8 Dec to 09:43 on Mon 9 Dec.", "fact": "2080-12-08T06:18:52Z → 2080-12-09T06:13:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:16–18:10 on the 8th, 16:16–18:11 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 114 of 114 minutes on the 8th and 0 of 114 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23247 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 2080: Sunday 8 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": "2080-12-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-12-08", "confidence": "determinate" } ], "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 2080 falls on Sunday 8 December. Trayodaśī runs from 09:49 on Sun 8 Dec to 09:43 on Mon 9 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-12-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/shivaratri?on=2080-12-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35706, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "2080-12-09T09:43:18+03:30", "utc": "2080-12-09T06:13:18Z", "ms": 3500950398016.896 }, "end": { "local": "2080-12-10T09:59:53+03:30", "utc": "2080-12-10T06:29:53Z", "ms": 3501037792722.3735 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2080-12-09T09:43:18+03:30", "utc": "2080-12-09T06:13:18Z", "ms": 3500950398016.896 }, "end": { "local": "2080-12-10T09:59:53+03:30", "utc": "2080-12-10T06:29:53Z", "ms": 3501037792722.3735 } }, "kaala": "nishita", "days": [ { "local_date": "2080-12-08", "window": { "start": { "local": "2080-12-08T23:00:12+03:30", "utc": "2080-12-08T19:30:12Z", "ms": 3500911811586.1035 }, "end": { "local": "2080-12-08T23:48:12+03:30", "utc": "2080-12-08T20:18:12Z", "ms": 3500914691586.1035 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-12-09", "window": { "start": { "local": "2080-12-09T23:00:38+03:30", "utc": "2080-12-09T19:30:38Z", "ms": 3500998238276.2856 }, "end": { "local": "2080-12-09T23:48:38+03:30", "utc": "2080-12-09T20:18:38Z", "ms": 3501001118276.2856 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:43 on Mon 9 Dec to 10:00 on Tue 10 Dec.", "fact": "2080-12-09T06:13:18Z → 2080-12-10T06:29:53Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:00–23:48 on the 8th, 23:01–23:49 on the 9th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35706 s" }, { "step": "ruling", "text": "Śivarātri, Mashhad, 2080: Monday 9 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": "2080-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-12-09", "confidence": "determinate" } ], "quote": "In Mashhad, Śivarātri 2080 falls on Monday 9 December. Caturdaśī runs from 09:43 on Mon 9 Dec to 10:00 on Tue 10 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/mashhad/festivals/2080/shivaratri?on=2080-12-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-12-15", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13025, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-12-14T15:27:42+03:30", "utc": "2080-12-14T11:57:42Z", "ms": 3501403062197.511 }, "end": { "local": "2080-12-15T17:53:49+03:30", "utc": "2080-12-15T14:23:49Z", "ms": 3501498229230.2188 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2080-12-14T15:27:42+03:30", "utc": "2080-12-14T11:57:42Z", "ms": 3501403062197.511 }, "end": { "local": "2080-12-15T17:53:49+03:30", "utc": "2080-12-15T14:23:49Z", "ms": 3501498229230.2188 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-12-14", "window": { "start": { "local": "2080-12-14T11:02:37+03:30", "utc": "2080-12-14T07:32:37Z", "ms": 3501387157248.9863 }, "end": { "local": "2080-12-14T11:50:37+03:30", "utc": "2080-12-14T08:20:37Z", "ms": 3501390037248.9863 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-12-15", "window": { "start": { "local": "2080-12-15T11:03:07+03:30", "utc": "2080-12-15T07:33:07Z", "ms": 3501473586569.4404 }, "end": { "local": "2080-12-15T11:51:07+03:30", "utc": "2080-12-15T08:21:07Z", "ms": 3501476466569.4404 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:28 on Sat 14 Dec to 17:54 on Sun 15 Dec.", "fact": "2080-12-14T11:57:42Z → 2080-12-15T14:23:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 14th, 11:03–11:51 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13025 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Mashhad, 2080: Sunday 15 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": "2080-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-12-15", "confidence": "determinate" } ], "quote": "In Mashhad, Vināyaka Caturthī 2080 falls on Sunday 15 December. Caturthī runs from 15:28 on Sat 14 Dec to 17:54 on Sun 15 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/vinayaka-chaturthi?on=2080-12-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21763, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "2080-12-15T17:53:49+03:30", "utc": "2080-12-15T14:23:49Z", "ms": 3501498229230.2188 }, "end": { "local": "2080-12-16T20:34:38+03:30", "utc": "2080-12-16T17:04:38Z", "ms": 3501594278493.805 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2080-12-15T17:53:49+03:30", "utc": "2080-12-15T14:23:49Z", "ms": 3501498229230.2188 }, "end": { "local": "2080-12-16T20:34:38+03:30", "utc": "2080-12-16T17:04:38Z", "ms": 3501594278493.805 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-12-15", "window": { "start": { "local": "2080-12-15T11:03:07+03:30", "utc": "2080-12-15T07:33:07Z", "ms": 3501473586569.4404 }, "end": { "local": "2080-12-15T11:51:07+03:30", "utc": "2080-12-15T08:21:07Z", "ms": 3501476466569.4404 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-12-16", "window": { "start": { "local": "2080-12-16T11:03:36+03:30", "utc": "2080-12-16T07:33:36Z", "ms": 3501560016107.238 }, "end": { "local": "2080-12-16T11:51:36+03:30", "utc": "2080-12-16T08:21:36Z", "ms": 3501562896107.238 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 17:54 on Sun 15 Dec to 20:35 on Mon 16 Dec.", "fact": "2080-12-15T14:23:49Z → 2080-12-16T17:04:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 15th, 11:04–11:52 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21763 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Mashhad, 2080: Monday 16 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-12-16", "confidence": "determinate" } ], "quote": "In Mashhad, Nāga Pañcamī (Mārgaśīrṣa) 2080 falls on Monday 16 December. Pañcamī runs from 17:54 on Sun 15 Dec to 20:35 on Mon 16 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31382, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2080-12-16T20:34:38+03:30", "utc": "2080-12-16T17:04:38Z", "ms": 3501594278493.805 }, "end": { "local": "2080-12-17T23:17:54+03:30", "utc": "2080-12-17T19:47:54Z", "ms": 3501690473993.5684 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2080-12-16T20:34:38+03:30", "utc": "2080-12-16T17:04:38Z", "ms": 3501594278493.805 }, "end": { "local": "2080-12-17T23:17:54+03:30", "utc": "2080-12-17T19:47:54Z", "ms": 3501690473993.5684 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-12-16", "window": { "start": { "local": "2080-12-16T11:03:36+03:30", "utc": "2080-12-16T07:33:36Z", "ms": 3501560016107.238 }, "end": { "local": "2080-12-16T11:51:36+03:30", "utc": "2080-12-16T08:21:36Z", "ms": 3501562896107.238 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-12-17", "window": { "start": { "local": "2080-12-17T11:04:06+03:30", "utc": "2080-12-17T07:34:06Z", "ms": 3501646445826.575 }, "end": { "local": "2080-12-17T11:52:06+03:30", "utc": "2080-12-17T08:22:06Z", "ms": 3501649325826.575 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:35 on Mon 16 Dec to 23:18 on Tue 17 Dec.", "fact": "2080-12-16T17:04:38Z → 2080-12-17T19:47:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 on the 16th, 11:04–11:52 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31382 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Mashhad, 2080: Tuesday 17 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-12-17", "confidence": "determinate" } ], "quote": "In Mashhad, Campā Ṣaṣṭhī 2080 falls on Tuesday 17 December. Ṣaṣṭhī runs from 20:35 on Mon 16 Dec to 23:18 on Tue 17 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31382, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "2080-12-16T20:34:38+03:30", "utc": "2080-12-16T17:04:38Z", "ms": 3501594278493.805 }, "end": { "local": "2080-12-17T23:17:54+03:30", "utc": "2080-12-17T19:47:54Z", "ms": 3501690473993.5684 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2080-12-16T20:34:38+03:30", "utc": "2080-12-16T17:04:38Z", "ms": 3501594278493.805 }, "end": { "local": "2080-12-17T23:17:54+03:30", "utc": "2080-12-17T19:47:54Z", "ms": 3501690473993.5684 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-12-16", "window": { "start": { "local": "2080-12-16T11:03:36+03:30", "utc": "2080-12-16T07:33:36Z", "ms": 3501560016107.238 }, "end": { "local": "2080-12-16T11:51:36+03:30", "utc": "2080-12-16T08:21:36Z", "ms": 3501562896107.238 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "2080-12-17", "window": { "start": { "local": "2080-12-17T11:04:06+03:30", "utc": "2080-12-17T07:34:06Z", "ms": 3501646445826.575 }, "end": { "local": "2080-12-17T11:52:06+03:30", "utc": "2080-12-17T08:22:06Z", "ms": 3501649325826.575 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:35 on Mon 16 Dec to 23:18 on Tue 17 Dec.", "fact": "2080-12-16T17:04:38Z → 2080-12-17T19:47:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 on the 16th, 11:04–11:52 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31382 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Mashhad, 2080: Tuesday 17 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-12-17", "confidence": "determinate" } ], "quote": "In Mashhad, Skanda Ṣaṣṭhī 2080 falls on Tuesday 17 December. Ṣaṣṭhī runs from 20:35 on Mon 16 Dec to 23:18 on Tue 17 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33386, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "2080-12-17T23:17:54+03:30", "utc": "2080-12-17T19:47:54Z", "ms": 3501690473993.5684 }, "end": { "local": "2080-12-19T01:48:39+03:30", "utc": "2080-12-18T22:18:39Z", "ms": 3501785919174.211 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2080-12-17T23:17:54+03:30", "utc": "2080-12-17T19:47:54Z", "ms": 3501690473993.5684 }, "end": { "local": "2080-12-19T01:48:39+03:30", "utc": "2080-12-18T22:18:39Z", "ms": 3501785919174.211 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-12-18", "window": { "start": { "local": "2080-12-18T11:04:36+03:30", "utc": "2080-12-18T07:34:36Z", "ms": 3501732875691.835 }, "end": { "local": "2080-12-18T11:52:36+03:30", "utc": "2080-12-18T08:22:36Z", "ms": 3501735755691.835 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-12-19", "window": { "start": { "local": "2080-12-19T11:05:06+03:30", "utc": "2080-12-19T07:35:06Z", "ms": 3501819305667.657 }, "end": { "local": "2080-12-19T11:53:06+03:30", "utc": "2080-12-19T08:23:06Z", "ms": 3501822185667.657 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 23:18 on Tue 17 Dec to 01:49 on Thu 19 Dec.", "fact": "2080-12-17T19:47:54Z → 2080-12-18T22:18:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 18th, 11:05–11:53 on the 19th.", "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 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33386 s" }, { "step": "ruling", "text": "Mitra Saptamī, Mashhad, 2080: Wednesday 18 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "2080-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-12-18", "confidence": "determinate" } ], "quote": "In Mashhad, Mitra Saptamī 2080 falls on Wednesday 18 December. Saptamī runs from 23:18 on Tue 17 Dec to 01:49 on Thu 19 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/ekadashi?on=2080-12-22", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-12-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3264, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "2080-12-22T05:45:53+03:30", "utc": "2080-12-22T02:15:53Z", "ms": 3502059352627.8657 }, "end": { "local": "2080-12-23T05:24:59+03:30", "utc": "2080-12-23T01:54:59Z", "ms": 3502144498725.709 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2080-12-22T05:45:53+03:30", "utc": "2080-12-22T02:15:53Z", "ms": 3502059352627.8657 }, "end": { "local": "2080-12-23T05:24:59+03:30", "utc": "2080-12-23T01:54:59Z", "ms": 3502144498725.709 } }, "kaala": "sunrise", "days": [ { "local_date": "2080-12-22", "window": { "start": { "local": "2080-12-22T06:40:17+03:30", "utc": "2080-12-22T03:10:17Z", "ms": 3502062616727.908 }, "end": { "local": "2080-12-22T06:40:17+03:30", "utc": "2080-12-22T03:10:17Z", "ms": 3502062616727.908 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-12-23", "window": { "start": { "local": "2080-12-23T06:40:44+03:30", "utc": "2080-12-23T03:10:44Z", "ms": 3502149043642.8203 }, "end": { "local": "2080-12-23T06:40:44+03:30", "utc": "2080-12-23T03:10:44Z", "ms": 3502149043642.8203 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:46 on Sun 22 Dec to 05:25 on Mon 23 Dec.", "fact": "2080-12-22T02:15:53Z → 2080-12-23T01:54:59Z" }, { "step": "kaala", "text": "Sunrise is at 06:40 on the 22nd and 06:41 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3264 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Mashhad, 2080: Sunday 22 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": "2080-12-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-12-22", "confidence": "determinate" } ], "quote": "In Mashhad, Mokṣadā Ekādaśī 2080 falls on Sunday 22 December. Ekādaśī runs from 05:46 on Sun 22 Dec to 05:25 on Mon 23 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/ekadashi?on=2080-12-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-12-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20527, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "2080-12-23T05:24:59+03:30", "utc": "2080-12-23T01:54:59Z", "ms": 3502144498725.709 }, "end": { "local": "2080-12-24T04:12:26+03:30", "utc": "2080-12-24T00:42:26Z", "ms": 3502226545690.0776 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2080-12-23T05:24:59+03:30", "utc": "2080-12-23T01:54:59Z", "ms": 3502144498725.709 }, "end": { "local": "2080-12-24T04:12:26+03:30", "utc": "2080-12-24T00:42:26Z", "ms": 3502226545690.0776 } }, "kaala": "madhyahna", "days": [ { "local_date": "2080-12-23", "window": { "start": { "local": "2080-12-23T11:07:06+03:30", "utc": "2080-12-23T07:37:06Z", "ms": 3502165025984.962 }, "end": { "local": "2080-12-23T11:55:06+03:30", "utc": "2080-12-23T08:25:06Z", "ms": 3502167905984.962 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "2080-12-24", "window": { "start": { "local": "2080-12-24T11:07:36+03:30", "utc": "2080-12-24T07:37:36Z", "ms": 3502251456001.072 }, "end": { "local": "2080-12-24T11:55:36+03:30", "utc": "2080-12-24T08:25:36Z", "ms": 3502254336001.072 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 05:25 on Mon 23 Dec to 04:12 on Tue 24 Dec.", "fact": "2080-12-23T01:54:59Z → 2080-12-24T00:42:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 23rd, 11:08–11:56 on the 24th.", "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 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20527 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Mashhad, 2080: Monday 23 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": "2080-12-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-12-23", "confidence": "determinate" } ], "quote": "In Mashhad, Akhaṇḍa Dvādaśī 2080 falls on Monday 23 December. Dvādaśī runs from 05:25 on Mon 23 Dec to 04:12 on Tue 24 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/pradosha-vrata?on=2080-12-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-12-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28634, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "2080-12-24T04:12:26+03:30", "utc": "2080-12-24T00:42:26Z", "ms": 3502226545690.0776 }, "end": { "local": "2080-12-25T02:13:53+03:30", "utc": "2080-12-24T22:43:53Z", "ms": 3502305832563.959 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2080-12-24T04:12:26+03:30", "utc": "2080-12-24T00:42:26Z", "ms": 3502226545690.0776 }, "end": { "local": "2080-12-25T02:13:53+03:30", "utc": "2080-12-24T22:43:53Z", "ms": 3502305832563.959 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-12-23", "window": { "start": { "local": "2080-12-23T16:21:28+03:30", "utc": "2080-12-23T12:51:28Z", "ms": 3502183888327.1035 }, "end": { "local": "2080-12-23T18:16:06+03:30", "utc": "2080-12-23T14:46:06Z", "ms": 3502190765724.106 } }, "covered_min": 0, "window_min": 115, "qualifies": false }, { "local_date": "2080-12-24", "window": { "start": { "local": "2080-12-24T16:22:03+03:30", "utc": "2080-12-24T12:52:03Z", "ms": 3502270323197.5234 }, "end": { "local": "2080-12-24T18:16:39+03:30", "utc": "2080-12-24T14:46:39Z", "ms": 3502277199062.872 } }, "covered_min": 115, "window_min": 115, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:12 on Tue 24 Dec to 02:14 on Wed 25 Dec.", "fact": "2080-12-24T00:42:26Z → 2080-12-24T22:43:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:21–18:16 on the 23rd, 16:22–18:17 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 115 minutes on the 23rd and 115 of 115 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 28634 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Mashhad, 2080: Tuesday 24 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": "2080-12-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-12-24", "confidence": "determinate" } ], "quote": "In Mashhad, Śukla Pradoṣa Vrata 2080 falls on Tuesday 24 December. Trayodaśī runs from 04:12 on Tue 24 Dec to 02:14 on Wed 25 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/pradosha-vrata?on=2080-12-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/mashhad/festivals/2080/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-12-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8203, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "2080-12-25T23:37:50+03:30", "utc": "2080-12-25T20:07:50Z", "ms": 3502382870333.529 }, "end": { "local": "2080-12-26T20:34:32+03:30", "utc": "2080-12-26T17:04:32Z", "ms": 3502458271948.729 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "2080-12-25T23:37:50+03:30", "utc": "2080-12-25T20:07:50Z", "ms": 3502382870333.529 }, "end": { "local": "2080-12-26T20:34:32+03:30", "utc": "2080-12-26T17:04:32Z", "ms": 3502458271948.729 } }, "kaala": "pradosha", "days": [ { "local_date": "2080-12-25", "window": { "start": { "local": "2080-12-25T16:22:40+03:30", "utc": "2080-12-25T12:52:40Z", "ms": 3502356759669.63 }, "end": { "local": "2080-12-25T18:17:14+03:30", "utc": "2080-12-25T14:47:14Z", "ms": 3502363633549.523 } }, "covered_min": 0, "window_min": 115, "qualifies": false }, { "local_date": "2080-12-26", "window": { "start": { "local": "2080-12-26T16:23:18+03:30", "utc": "2080-12-26T12:53:18Z", "ms": 3502443197707.202 }, "end": { "local": "2080-12-26T18:17:49+03:30", "utc": "2080-12-26T14:47:49Z", "ms": 3502450069149.882 } }, "covered_min": 115, "window_min": 115, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:38 on Wed 25 Dec to 20:35 on Thu 26 Dec.", "fact": "2080-12-25T20:07:50Z → 2080-12-26T17:04:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:23–18:17 on the 25th, 16:23–18:18 on the 26th.", "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 115 minutes on the 25th and 115 of 115 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8203 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Mashhad, 2080: Thursday 26 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": "2080-12-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-12-26", "confidence": "determinate" } ], "quote": "In Mashhad, Dattātreyotpatti (Datta Jayanti) 2080 falls on Thursday 26 December. Pūrṇimā runs from 23:38 on Wed 25 Dec to 20:35 on Thu 26 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/mashhad/festivals/2080/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": "/mashhad/festivals/2080/sankashta-chaturthi?on=2080-12-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "124665", "year": 2080, "local_date": "2080-12-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32891, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "2080-12-29T10:30:05+03:30", "utc": "2080-12-29T07:00:05Z", "ms": 3502681204562.876 }, "end": { "local": "2080-12-30T07:24:34+03:30", "utc": "2080-12-30T03:54:34Z", "ms": 3502756474060.2964 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "2080-12-29T10:30:05+03:30", "utc": "2080-12-29T07:00:05Z", "ms": 3502681204562.876 }, "end": { "local": "2080-12-30T07:24:34+03:30", "utc": "2080-12-30T03:54:34Z", "ms": 3502756474060.2964 } }, "kaala": "moonrise", "days": [ { "local_date": "2080-12-29", "window": { "start": { "local": "2080-12-29T19:38:15+03:30", "utc": "2080-12-29T16:08:15Z", "ms": 3502714095306.2236 }, "end": { "local": "2080-12-29T19:38:15+03:30", "utc": "2080-12-29T16:08:15Z", "ms": 3502714095306.2236 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "2080-12-30", "window": { "start": { "local": "2080-12-30T20:52:39+03:30", "utc": "2080-12-30T17:22:39Z", "ms": 3502804958839.871 }, "end": { "local": "2080-12-30T20:52:39+03:30", "utc": "2080-12-30T17:22:39Z", "ms": 3502804958839.871 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:30 on Sun 29 Dec to 07:25 on Mon 30 Dec.", "fact": "2080-12-29T07:00:05Z → 2080-12-30T03:54:34Z" }, { "step": "kaala", "text": "Moonrise is at 19:38 on the 29th and 20:53 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32891 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Mashhad, 2080: Sunday 29 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": "2080-12-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "2080-12-29", "confidence": "determinate" } ], "quote": "In Mashhad, Saṅkaṣṭa Caturthī 2080 falls on Sunday 29 December. Caturthī runs from 10:30 on Sun 29 Dec to 07:25 on Mon 30 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/mashhad/festivals/2080/sankashta-chaturthi?on=2080-12-29", "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" } }