{ "id": "/tijuana/festivals/1925", "place": { "id": "3981609", "slug": "tijuana", "name": "Tijuana", "region": "Baja California, Mexico", "country": "MX", "lat": 32.5027, "lon": -117.00371, "elevation_m": 97, "tz": "America/Tijuana" }, "year": 1925, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/tijuana/festivals/1925/ekadashi?on=1925-01-05", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-01-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1381, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-01-04T06:27:49-08:00", "utc": "1925-01-04T14:27:49Z", "ms": -1419759131429.0884 }, "end": { "local": "1925-01-05T08:34:18-08:00", "utc": "1925-01-05T16:34:18Z", "ms": -1419665142218.743 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-01-04T06:27:49-08:00", "utc": "1925-01-04T14:27:49Z", "ms": -1419759131429.0884 }, "end": { "local": "1925-01-05T08:34:18-08:00", "utc": "1925-01-05T16:34:18Z", "ms": -1419665142218.743 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-01-04", "window": { "start": { "local": "1925-01-04T06:50:50-08:00", "utc": "1925-01-04T14:50:50Z", "ms": -1419757749993.6052 }, "end": { "local": "1925-01-04T06:50:50-08:00", "utc": "1925-01-04T14:50:50Z", "ms": -1419757749993.6052 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-01-05", "window": { "start": { "local": "1925-01-05T06:50:57-08:00", "utc": "1925-01-05T14:50:57Z", "ms": -1419671342848.9917 }, "end": { "local": "1925-01-05T06:50:57-08:00", "utc": "1925-01-05T14:50:57Z", "ms": -1419671342848.9917 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:28 on Sun 4 Jan to 08:34 on Mon 5 Jan.", "fact": "1925-01-04T14:27:49Z → 1925-01-05T16:34:18Z" }, { "step": "kaala", "text": "Sunrise is at 06:51 on the 4th and 06:51 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 4th and is on the 5th.", "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 1381 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Tijuana, 1925: Monday 5 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": "1925-01-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-01-05", "confidence": "determinate" } ], "quote": "In Tijuana, Putradā Ekādaśī 1925 falls on Monday 5 January. Ekādaśī runs from 06:28 on Sun 4 Jan to 08:34 on Mon 5 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-01-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/pradosha-vrata?on=1925-01-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-01-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12253, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-01-06T10:58:56-08:00", "utc": "1925-01-06T18:58:56Z", "ms": -1419570063787.7979 }, "end": { "local": "1925-01-07T13:33:48-08:00", "utc": "1925-01-07T21:33:48Z", "ms": -1419474372391.0027 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-01-06T10:58:56-08:00", "utc": "1925-01-06T18:58:56Z", "ms": -1419570063787.7979 }, "end": { "local": "1925-01-07T13:33:48-08:00", "utc": "1925-01-07T21:33:48Z", "ms": -1419474372391.0027 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-01-06", "window": { "start": { "local": "1925-01-06T16:57:11-08:00", "utc": "1925-01-07T00:57:11Z", "ms": -1419548568710.4824 }, "end": { "local": "1925-01-06T18:48:23-08:00", "utc": "1925-01-07T02:48:23Z", "ms": -1419541897403.8042 } }, "covered_min": 111, "window_min": 111, "qualifies": true }, { "local_date": "1925-01-07", "window": { "start": { "local": "1925-01-07T16:58:00-08:00", "utc": "1925-01-08T00:58:00Z", "ms": -1419462119682.3018 }, "end": { "local": "1925-01-07T18:49:05-08:00", "utc": "1925-01-08T02:49:05Z", "ms": -1419455454674.9233 } }, "covered_min": 0, "window_min": 111, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:59 on Tue 6 Jan to 13:34 on Wed 7 Jan.", "fact": "1925-01-06T18:58:56Z → 1925-01-07T21:33:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:57–18:48 on the 6th, 16:58–18:49 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 111 of 111 minutes on the 6th and 0 of 111 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12253 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Tijuana, 1925: Tuesday 6 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": "1925-01-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-01-06", "confidence": "determinate" } ], "quote": "In Tijuana, Śukla Pradoṣa Vrata 1925 falls on Tuesday 6 January. Trayodaśī runs from 10:59 on Tue 6 Jan to 13:34 on Wed 7 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-01-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-01-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38722, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1925-01-13T03:47:39-08:00", "utc": "1925-01-13T11:47:39Z", "ms": -1418991141319.4275 }, "end": { "local": "1925-02-11T16:45:01-08:00", "utc": "1925-02-12T00:45:01Z", "ms": -1416438899318.0083 } }, "span": { "of": "transit", "start": { "local": "1925-01-13T03:47:39-08:00", "utc": "1925-01-13T11:47:39Z", "ms": -1418991141319.4275 }, "end": { "local": "1925-01-13T03:47:39-08:00", "utc": "1925-01-13T11:47:39Z", "ms": -1418991141319.4275 } }, "kaala": "sunset-day", "days": [ { "local_date": "1925-01-12", "window": { "start": { "local": "1925-01-11T17:01:24-08:00", "utc": "1925-01-12T01:01:24Z", "ms": -1419116316279.6052 }, "end": { "local": "1925-01-12T17:02:16-08:00", "utc": "1925-01-13T01:02:16Z", "ms": -1419029863818.1646 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1925-01-13", "window": { "start": { "local": "1925-01-12T17:02:16-08:00", "utc": "1925-01-13T01:02:16Z", "ms": -1419029863818.1646 }, "end": { "local": "1925-01-13T17:03:09-08:00", "utc": "1925-01-14T01:03:09Z", "ms": -1418943410795.4822 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1925-01-13", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 03:48 on Tue 13 Jan.", "fact": "1925-01-13T11:47:39Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 12th ends at 17:02, and the day of the 13th ends at 17:03.", "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 12th and the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 38722 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Tuesday 13 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Tijuana, 1925: Monday 12 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": "1925-01-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-01-12", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1925-01-12", "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": "1925-01-11", "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 Tijuana, Bhogi 1925 falls on Monday 12 January. It is kept the day before Pongal, which falls on Tuesday 13 January. The Sun enters Makara at 03:48 on Tue 13 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 12th and the 13th. Counted from sunrise, as in Orissa, it is 11 January.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38722, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1925-01-13T03:47:39-08:00", "utc": "1925-01-13T11:47:39Z", "ms": -1418991141319.4275 }, "end": { "local": "1925-02-11T16:45:01-08:00", "utc": "1925-02-12T00:45:01Z", "ms": -1416438899318.0083 } }, "span": { "of": "transit", "start": { "local": "1925-01-13T03:47:39-08:00", "utc": "1925-01-13T11:47:39Z", "ms": -1418991141319.4275 }, "end": { "local": "1925-01-13T03:47:39-08:00", "utc": "1925-01-13T11:47:39Z", "ms": -1418991141319.4275 } }, "kaala": "sunset-day", "days": [ { "local_date": "1925-01-12", "window": { "start": { "local": "1925-01-11T17:01:24-08:00", "utc": "1925-01-12T01:01:24Z", "ms": -1419116316279.6052 }, "end": { "local": "1925-01-12T17:02:16-08:00", "utc": "1925-01-13T01:02:16Z", "ms": -1419029863818.1646 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1925-01-13", "window": { "start": { "local": "1925-01-12T17:02:16-08:00", "utc": "1925-01-13T01:02:16Z", "ms": -1419029863818.1646 }, "end": { "local": "1925-01-13T17:03:09-08:00", "utc": "1925-01-14T01:03:09Z", "ms": -1418943410795.4822 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 03:48 on Tue 13 Jan.", "fact": "1925-01-13T11:47:39Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 12th ends at 17:02, and the day of the 13th ends at 17:03.", "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 12th and the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 38722 s" }, { "step": "ruling", "text": "Pongal, Tijuana, 1925: Tuesday 13 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": "1925-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1925-01-13", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1925-01-12", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Tijuana, Pongal 1925 falls on Tuesday 13 January. The Sun enters Makara at 03:48 on Tue 13 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 12th and the 13th. Counted from sunrise, as in Orissa, it is 12 January.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13659, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1925-01-13T03:47:39-08:00", "utc": "1925-01-13T11:47:39Z", "ms": -1418991141319.4275 }, "end": { "local": "1925-02-11T16:45:01-08:00", "utc": "1925-02-12T00:45:01Z", "ms": -1416438899318.0083 } }, "span": { "of": "transit", "start": { "local": "1925-01-13T03:47:39-08:00", "utc": "1925-01-13T11:47:39Z", "ms": -1418991141319.4275 }, "end": { "local": "1925-01-13T03:47:39-08:00", "utc": "1925-01-13T11:47:39Z", "ms": -1418991141319.4275 } }, "kaala": "civil-day", "days": [ { "local_date": "1925-01-12", "window": { "start": { "local": "1925-01-12T00:00:00-08:00", "utc": "1925-01-12T08:00:00Z", "ms": -1419091200000 }, "end": { "local": "1925-01-13T00:00:00-08:00", "utc": "1925-01-13T08:00:00Z", "ms": -1419004800000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1925-01-13", "window": { "start": { "local": "1925-01-13T00:00:00-08:00", "utc": "1925-01-13T08:00:00Z", "ms": -1419004800000 }, "end": { "local": "1925-01-14T00:00:00-08:00", "utc": "1925-01-14T08:00:00Z", "ms": -1418918400000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 03:48 on Tue 13 Jan.", "fact": "1925-01-13T11:47:39Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Tijuana.", "fact": "civil-day: midnight-to-midnight · America/Tijuana" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 13th, not the 12th.", "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 13659 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Tijuana, 1925: Tuesday 13 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": "1925-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1925-01-12", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1925-01-13", "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 Tijuana, Makara Saṅkrānti 1925 falls on Tuesday 13 January. The Sun enters Makara at 03:48 on Tue 13 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 12 January.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/sankashta-chaturthi?on=1925-01-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20582, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-01-13T01:21:53-08:00", "utc": "1925-01-13T09:21:53Z", "ms": -1418999886791.447 }, "end": { "local": "1925-01-14T02:51:14-08:00", "utc": "1925-01-14T10:51:14Z", "ms": -1418908126430.518 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1925-01-13T01:21:53-08:00", "utc": "1925-01-13T09:21:53Z", "ms": -1418999886791.447 }, "end": { "local": "1925-01-14T02:51:14-08:00", "utc": "1925-01-14T10:51:14Z", "ms": -1418908126430.518 } }, "kaala": "moonrise", "days": [ { "local_date": "1925-01-12", "window": { "start": { "local": "1925-01-12T19:38:52-08:00", "utc": "1925-01-13T03:38:52Z", "ms": -1419020468379.886 }, "end": { "local": "1925-01-12T19:38:52-08:00", "utc": "1925-01-13T03:38:52Z", "ms": -1419020468379.886 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-01-13", "window": { "start": { "local": "1925-01-13T20:34:36-08:00", "utc": "1925-01-14T04:34:36Z", "ms": -1418930723631.5947 }, "end": { "local": "1925-01-13T20:34:36-08:00", "utc": "1925-01-14T04:34:36Z", "ms": -1418930723631.5947 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:22 on Tue 13 Jan to 02:51 on Wed 14 Jan.", "fact": "1925-01-13T09:21:53Z → 1925-01-14T10:51:14Z" }, { "step": "kaala", "text": "Moonrise is at 19:39 on the 12th and 20:35 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20582 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Tijuana, 1925: Tuesday 13 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": "1925-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-01-13", "confidence": "determinate" } ], "quote": "In Tijuana, Saṅkaṣṭa Caturthī 1925 falls on Tuesday 13 January. Caturthī runs from 01:22 on Tue 13 Jan to 02:51 on Wed 14 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/sankashta-chaturthi?on=1925-01-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38722, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1925-01-13T03:47:39-08:00", "utc": "1925-01-13T11:47:39Z", "ms": -1418991141319.4275 }, "end": { "local": "1925-02-11T16:45:01-08:00", "utc": "1925-02-12T00:45:01Z", "ms": -1416438899318.0083 } }, "span": { "of": "transit", "start": { "local": "1925-01-13T03:47:39-08:00", "utc": "1925-01-13T11:47:39Z", "ms": -1418991141319.4275 }, "end": { "local": "1925-01-13T03:47:39-08:00", "utc": "1925-01-13T11:47:39Z", "ms": -1418991141319.4275 } }, "kaala": "sunset-day", "days": [ { "local_date": "1925-01-12", "window": { "start": { "local": "1925-01-11T17:01:24-08:00", "utc": "1925-01-12T01:01:24Z", "ms": -1419116316279.6052 }, "end": { "local": "1925-01-12T17:02:16-08:00", "utc": "1925-01-13T01:02:16Z", "ms": -1419029863818.1646 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1925-01-13", "window": { "start": { "local": "1925-01-12T17:02:16-08:00", "utc": "1925-01-13T01:02:16Z", "ms": -1419029863818.1646 }, "end": { "local": "1925-01-13T17:03:09-08:00", "utc": "1925-01-14T01:03:09Z", "ms": -1418943410795.4822 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1925-01-13", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 03:48 on Tue 13 Jan.", "fact": "1925-01-13T11:47:39Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 12th ends at 17:02, and the day of the 13th ends at 17:03.", "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 12th and the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 38722 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Tuesday 13 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Tijuana, 1925: Wednesday 14 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": "1925-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1925-01-14", "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": "1925-01-13", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Tijuana, Mattu Pongal 1925 falls on Wednesday 14 January. It is kept the day after Pongal, which falls on Tuesday 13 January. The Sun enters Makara at 03:48 on Tue 13 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 12th and the 13th. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ekadashi?on=1925-01-20", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27709, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-01-19T23:07:22-08:00", "utc": "1925-01-20T07:07:22Z", "ms": -1418403158295.445 }, "end": { "local": "1925-01-20T20:21:41-08:00", "utc": "1925-01-21T04:21:41Z", "ms": -1418326699155.16 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1925-01-19T23:07:22-08:00", "utc": "1925-01-20T07:07:22Z", "ms": -1418403158295.445 }, "end": { "local": "1925-01-20T20:21:41-08:00", "utc": "1925-01-21T04:21:41Z", "ms": -1418326699155.16 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-01-20", "window": { "start": { "local": "1925-01-20T06:49:10-08:00", "utc": "1925-01-20T14:49:10Z", "ms": -1418375449793.9543 }, "end": { "local": "1925-01-20T06:49:10-08:00", "utc": "1925-01-20T14:49:10Z", "ms": -1418375449793.9543 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-01-21", "window": { "start": { "local": "1925-01-21T06:48:49-08:00", "utc": "1925-01-21T14:48:49Z", "ms": -1418289070979.6501 }, "end": { "local": "1925-01-21T06:48:49-08:00", "utc": "1925-01-21T14:48:49Z", "ms": -1418289070979.6501 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:07 on Mon 19 Jan to 20:22 on Tue 20 Jan.", "fact": "1925-01-20T07:07:22Z → 1925-01-21T04:21:41Z" }, { "step": "kaala", "text": "Sunrise is at 06:49 on the 20th and 06:49 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 20th and is not on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27709 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Tijuana, 1925: Tuesday 20 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": "1925-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-01-20", "confidence": "determinate" } ], "quote": "In Tijuana, Ṣaṭtilā Ekādaśī 1925 falls on Tuesday 20 January. Ekādaśī runs from 23:07 on Mon 19 Jan to 20:22 on Tue 20 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-01-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/pradosha-vrata?on=1925-01-21", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-01-21", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 77, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-01-21T17:11:46-08:00", "utc": "1925-01-22T01:11:46Z", "ms": -1418251694388.4553 }, "end": { "local": "1925-01-22T13:46:03-08:00", "utc": "1925-01-22T21:46:03Z", "ms": -1418177637133.6475 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1925-01-21T17:11:46-08:00", "utc": "1925-01-22T01:11:46Z", "ms": -1418251694388.4553 }, "end": { "local": "1925-01-22T13:46:03-08:00", "utc": "1925-01-22T21:46:03Z", "ms": -1418177637133.6475 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-01-21", "window": { "start": { "local": "1925-01-21T17:10:29-08:00", "utc": "1925-01-22T01:10:29Z", "ms": -1418251771261.7375 }, "end": { "local": "1925-01-21T18:59:32-08:00", "utc": "1925-01-22T02:59:32Z", "ms": -1418245227609.3274 } }, "covered_min": 108, "window_min": 109, "qualifies": true }, { "local_date": "1925-01-22", "window": { "start": { "local": "1925-01-22T17:11:25-08:00", "utc": "1925-01-23T01:11:25Z", "ms": -1418165315011.5908 }, "end": { "local": "1925-01-22T19:00:18-08:00", "utc": "1925-01-23T03:00:18Z", "ms": -1418158782136.6758 } }, "covered_min": 0, "window_min": 109, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:12 on Wed 21 Jan to 13:46 on Thu 22 Jan.", "fact": "1925-01-22T01:11:46Z → 1925-01-22T21:46:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:10–19:00 on the 21st, 17:11–19:00 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 108 of 109 minutes on the 21st and 0 of 109 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 77 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 1925: Wednesday 21 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": "1925-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-01-21", "confidence": "boundary" } ], "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 1925 falls on Wednesday 21 January. Trayodaśī runs from 17:12 on Wed 21 Jan to 13:46 on Thu 22 Jan and covers 108 of 109 minutes of pradoṣa that evening. It is 1 min 17 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-01-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/shivaratri?on=1925-01-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-01-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35380, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1925-01-22T13:46:03-08:00", "utc": "1925-01-22T21:46:03Z", "ms": -1418177637133.6475 }, "end": { "local": "1925-01-23T10:13:50-08:00", "utc": "1925-01-23T18:13:50Z", "ms": -1418103969842.621 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1925-01-22T13:46:03-08:00", "utc": "1925-01-22T21:46:03Z", "ms": -1418177637133.6475 }, "end": { "local": "1925-01-23T10:13:50-08:00", "utc": "1925-01-23T18:13:50Z", "ms": -1418103969842.621 } }, "kaala": "nishita", "days": [ { "local_date": "1925-01-22", "window": { "start": { "local": "1925-01-22T23:35:43-08:00", "utc": "1925-01-23T07:35:43Z", "ms": -1418142256730.6597 }, "end": { "local": "1925-01-23T00:23:43-08:00", "utc": "1925-01-23T08:23:43Z", "ms": -1418139376730.6597 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-01-23", "window": { "start": { "local": "1925-01-23T23:35:58-08:00", "utc": "1925-01-24T07:35:58Z", "ms": -1418055841660.9238 }, "end": { "local": "1925-01-24T00:23:58-08:00", "utc": "1925-01-24T08:23:58Z", "ms": -1418052961660.9238 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:46 on Thu 22 Jan to 10:14 on Fri 23 Jan.", "fact": "1925-01-22T21:46:03Z → 1925-01-23T18:13:50Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:36–00:24 on the 22nd, 23:36–00:24 on the 23rd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35380 s" }, { "step": "ruling", "text": "Śivarātri, Tijuana, 1925: Thursday 22 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": "1925-01-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-01-22", "confidence": "determinate" } ], "quote": "In Tijuana, Śivarātri 1925 falls on Thursday 22 January. Caturdaśī runs from 13:46 on Thu 22 Jan to 10:14 on Fri 23 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/tijuana/festivals/1925/shivaratri?on=1925-01-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12349, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1925-01-22T13:46:03-08:00", "utc": "1925-01-22T21:46:03Z", "ms": -1418177637133.6475 }, "end": { "local": "1925-01-23T10:13:50-08:00", "utc": "1925-01-23T18:13:50Z", "ms": -1418103969842.621 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1925-01-22T13:46:03-08:00", "utc": "1925-01-22T21:46:03Z", "ms": -1418177637133.6475 }, "end": { "local": "1925-01-23T10:13:50-08:00", "utc": "1925-01-23T18:13:50Z", "ms": -1418103969842.621 } }, "kaala": "arunodaya", "days": [ { "local_date": "1925-01-22", "window": { "start": { "local": "1925-01-22T04:59:22-08:00", "utc": "1925-01-22T12:59:22Z", "ms": -1418209237521.0708 }, "end": { "local": "1925-01-22T06:48:26-08:00", "utc": "1925-01-22T14:48:26Z", "ms": -1418202693868.6606 } }, "covered_min": 0, "window_min": 109, "qualifies": false }, { "local_date": "1925-01-23", "window": { "start": { "local": "1925-01-23T04:59:09-08:00", "utc": "1925-01-23T12:59:09Z", "ms": -1418122851324.6438 }, "end": { "local": "1925-01-23T06:48:02-08:00", "utc": "1925-01-23T14:48:02Z", "ms": -1418116318449.7288 } }, "covered_min": 109, "window_min": 109, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:46 on Thu 22 Jan to 10:14 on Fri 23 Jan.", "fact": "1925-01-22T21:46:03Z → 1925-01-23T18:13:50Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:59–06:48 on the 22nd, 04:59–06:48 on the 23rd.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 109 minutes on the 22nd and 109 of 109 on the 23rd.", "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 12349 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Tijuana, 1925: Friday 23 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": "1925-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-01-23", "confidence": "determinate" } ], "quote": "In Tijuana, Yama Tarpaṇa 1925 falls on Friday 23 January. Caturdaśī runs from 13:46 on Thu 22 Jan to 10:14 on Fri 23 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29251, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-01-26T22:14:37-08:00", "utc": "1925-01-27T06:14:37Z", "ms": -1417801523410.9558 }, "end": { "local": "1925-01-27T20:32:38-08:00", "utc": "1925-01-28T04:32:38Z", "ms": -1417721241767.387 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1925-01-26T22:14:37-08:00", "utc": "1925-01-27T06:14:37Z", "ms": -1417801523410.9558 }, "end": { "local": "1925-01-27T20:32:38-08:00", "utc": "1925-01-28T04:32:38Z", "ms": -1417721241767.387 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-01-26", "window": { "start": { "local": "1925-01-26T11:36:54-08:00", "utc": "1925-01-26T19:36:54Z", "ms": -1417839785570.7886 }, "end": { "local": "1925-01-26T12:24:54-08:00", "utc": "1925-01-26T20:24:54Z", "ms": -1417836905570.7886 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-01-27", "window": { "start": { "local": "1925-01-27T11:37:07-08:00", "utc": "1925-01-27T19:37:07Z", "ms": -1417753372883.8174 }, "end": { "local": "1925-01-27T12:25:07-08:00", "utc": "1925-01-27T20:25:07Z", "ms": -1417750492883.8174 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:15 on Mon 26 Jan to 20:33 on Tue 27 Jan.", "fact": "1925-01-27T06:14:37Z → 1925-01-28T04:32:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 26th, 11:37–12:25 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 29251 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Tijuana, 1925: Tuesday 27 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-01-27", "confidence": "determinate" } ], "quote": "In Tijuana, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1925 falls on Tuesday 27 January. Caturthī runs from 22:15 on Mon 26 Jan to 20:33 on Tue 27 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5315, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-01-26T22:14:37-08:00", "utc": "1925-01-27T06:14:37Z", "ms": -1417801523410.9558 }, "end": { "local": "1925-01-27T20:32:38-08:00", "utc": "1925-01-28T04:32:38Z", "ms": -1417721241767.387 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1925-01-26T22:14:37-08:00", "utc": "1925-01-27T06:14:37Z", "ms": -1417801523410.9558 }, "end": { "local": "1925-01-27T20:32:38-08:00", "utc": "1925-01-28T04:32:38Z", "ms": -1417721241767.387 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-01-26", "window": { "start": { "local": "1925-01-26T17:15:11-08:00", "utc": "1925-01-27T01:15:11Z", "ms": -1417819488912.0808 }, "end": { "local": "1925-01-26T19:03:18-08:00", "utc": "1925-01-27T03:03:18Z", "ms": -1417813001518.2034 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "1925-01-27", "window": { "start": { "local": "1925-01-27T17:16:08-08:00", "utc": "1925-01-28T01:16:08Z", "ms": -1417733032309.634 }, "end": { "local": "1925-01-27T19:04:03-08:00", "utc": "1925-01-28T03:04:03Z", "ms": -1417726556843.1677 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:15 on Mon 26 Jan to 20:33 on Tue 27 Jan.", "fact": "1925-01-27T06:14:37Z → 1925-01-28T04:32:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–19:03 on the 26th, 17:16–19:04 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 0 of 108 minutes on the 26th and 108 of 108 on the 27th.", "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 5315 s" }, { "step": "ruling", "text": "Tila Caturthī, Tijuana, 1925: Tuesday 27 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": "1925-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-01-27", "confidence": "determinate" } ], "quote": "In Tijuana, Tila Caturthī 1925 falls on Tuesday 27 January. Caturthī runs from 22:15 on Mon 26 Jan to 20:33 on Tue 27 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25831, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1925-01-27T20:32:38-08:00", "utc": "1925-01-28T04:32:38Z", "ms": -1417721241767.387 }, "end": { "local": "1925-01-28T19:35:50-08:00", "utc": "1925-01-29T03:35:50Z", "ms": -1417638250046.974 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1925-01-27T20:32:38-08:00", "utc": "1925-01-28T04:32:38Z", "ms": -1417721241767.387 }, "end": { "local": "1925-01-28T19:35:50-08:00", "utc": "1925-01-29T03:35:50Z", "ms": -1417638250046.974 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-01-27", "window": { "start": { "local": "1925-01-27T11:37:07-08:00", "utc": "1925-01-27T19:37:07Z", "ms": -1417753372883.8174 }, "end": { "local": "1925-01-27T12:25:07-08:00", "utc": "1925-01-27T20:25:07Z", "ms": -1417750492883.8174 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-01-28", "window": { "start": { "local": "1925-01-28T11:37:19-08:00", "utc": "1925-01-28T19:37:19Z", "ms": -1417666961029.1838 }, "end": { "local": "1925-01-28T12:25:19-08:00", "utc": "1925-01-28T20:25:19Z", "ms": -1417664081029.1838 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 20:33 on Tue 27 Jan to 19:36 on Wed 28 Jan.", "fact": "1925-01-28T04:32:38Z → 1925-01-29T03:35:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 27th, 11:37–12:25 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25831 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Tijuana, 1925: Wednesday 28 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": "1925-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-01-28", "confidence": "determinate" } ], "quote": "In Tijuana, Śrī Pañcamī 1925 falls on Wednesday 28 January. Pañcamī runs from 20:33 on Tue 27 Jan to 19:36 on Wed 28 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25831, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1925-01-27T20:32:38-08:00", "utc": "1925-01-28T04:32:38Z", "ms": -1417721241767.387 }, "end": { "local": "1925-01-28T19:35:50-08:00", "utc": "1925-01-29T03:35:50Z", "ms": -1417638250046.974 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1925-01-27T20:32:38-08:00", "utc": "1925-01-28T04:32:38Z", "ms": -1417721241767.387 }, "end": { "local": "1925-01-28T19:35:50-08:00", "utc": "1925-01-29T03:35:50Z", "ms": -1417638250046.974 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-01-27", "window": { "start": { "local": "1925-01-27T11:37:07-08:00", "utc": "1925-01-27T19:37:07Z", "ms": -1417753372883.8174 }, "end": { "local": "1925-01-27T12:25:07-08:00", "utc": "1925-01-27T20:25:07Z", "ms": -1417750492883.8174 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-01-28", "window": { "start": { "local": "1925-01-28T11:37:19-08:00", "utc": "1925-01-28T19:37:19Z", "ms": -1417666961029.1838 }, "end": { "local": "1925-01-28T12:25:19-08:00", "utc": "1925-01-28T20:25:19Z", "ms": -1417664081029.1838 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 20:33 on Tue 27 Jan to 19:36 on Wed 28 Jan.", "fact": "1925-01-28T04:32:38Z → 1925-01-29T03:35:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 27th, 11:37–12:25 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25831 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Tijuana, 1925: Wednesday 28 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": "1925-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-01-28", "confidence": "determinate" } ], "quote": "In Tijuana, Vasanta Pañcamī 1925 falls on Wednesday 28 January. Pañcamī runs from 20:33 on Tue 27 Jan to 19:36 on Wed 28 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-01-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31796, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1925-01-29T19:27:15-08:00", "utc": "1925-01-30T03:27:15Z", "ms": -1417552365114.5474 }, "end": { "local": "1925-01-30T20:06:31-08:00", "utc": "1925-01-31T04:06:31Z", "ms": -1417463609077.1272 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1925-01-29T19:27:15-08:00", "utc": "1925-01-30T03:27:15Z", "ms": -1417552365114.5474 }, "end": { "local": "1925-01-30T20:06:31-08:00", "utc": "1925-01-31T04:06:31Z", "ms": -1417463609077.1272 } }, "kaala": "arunodaya", "days": [ { "local_date": "1925-01-30", "window": { "start": { "local": "1925-01-30T04:56:52-08:00", "utc": "1925-01-30T12:56:52Z", "ms": -1417518187805.305 }, "end": { "local": "1925-01-30T06:44:23-08:00", "utc": "1925-01-30T14:44:23Z", "ms": -1417511736812.87 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "1925-01-31", "window": { "start": { "local": "1925-01-31T04:56:27-08:00", "utc": "1925-01-31T12:56:27Z", "ms": -1417431812877.0864 }, "end": { "local": "1925-01-31T06:43:46-08:00", "utc": "1925-01-31T14:43:46Z", "ms": -1417425374417.3616 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 19:27 on Thu 29 Jan to 20:07 on Fri 30 Jan.", "fact": "1925-01-30T03:27:15Z → 1925-01-31T04:06:31Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:57–06:44 on the 30th, 04:56–06:44 on the 31st.", "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 108 of 108 minutes on the 30th and 0 of 107 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31796 s" }, { "step": "ruling", "text": "Ratha Saptamī, Tijuana, 1925: Friday 30 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": "1925-01-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-01-30", "confidence": "determinate" } ], "quote": "In Tijuana, Ratha Saptamī 1925 falls on Friday 30 January. Saptamī runs from 19:27 on Thu 29 Jan to 20:07 on Fri 30 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ekadashi?on=1925-02-03", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7862, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-02-03T01:52:24-08:00", "utc": "1925-02-03T09:52:24Z", "ms": -1417183655840.02 }, "end": { "local": "1925-02-04T04:29:58-08:00", "utc": "1925-02-04T12:29:58Z", "ms": -1417087801657.7805 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1925-02-03T01:52:24-08:00", "utc": "1925-02-03T09:52:24Z", "ms": -1417183655840.02 }, "end": { "local": "1925-02-04T04:29:58-08:00", "utc": "1925-02-04T12:29:58Z", "ms": -1417087801657.7805 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-02-03", "window": { "start": { "local": "1925-02-03T06:41:44-08:00", "utc": "1925-02-03T14:41:44Z", "ms": -1417166296349.261 }, "end": { "local": "1925-02-03T06:41:44-08:00", "utc": "1925-02-03T14:41:44Z", "ms": -1417166296349.261 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-02-04", "window": { "start": { "local": "1925-02-04T06:41:00-08:00", "utc": "1925-02-04T14:41:00Z", "ms": -1417079939943.7917 }, "end": { "local": "1925-02-04T06:41:00-08:00", "utc": "1925-02-04T14:41:00Z", "ms": -1417079939943.7917 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:52 on Tue 3 Feb to 04:30 on Wed 4 Feb.", "fact": "1925-02-03T09:52:24Z → 1925-02-04T12:29:58Z" }, { "step": "kaala", "text": "Sunrise is at 06:42 on the 3rd and 06:41 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 7862 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Tijuana, 1925: Tuesday 3 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": "1925-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-02-03", "confidence": "determinate" } ], "quote": "In Tijuana, Jayā Ekādaśī 1925 falls on Tuesday 3 February. Ekādaśī runs from 01:52 on Tue 3 Feb to 04:30 on Wed 4 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-02-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16143, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1925-02-04T04:29:58-08:00", "utc": "1925-02-04T12:29:58Z", "ms": -1417087801657.7805 }, "end": { "local": "1925-02-05T07:09:21-08:00", "utc": "1925-02-05T15:09:21Z", "ms": -1416991839027.329 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1925-02-04T04:29:58-08:00", "utc": "1925-02-04T12:29:58Z", "ms": -1417087801657.7805 }, "end": { "local": "1925-02-05T07:09:21-08:00", "utc": "1925-02-05T15:09:21Z", "ms": -1416991839027.329 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-02-04", "window": { "start": { "local": "1925-02-04T11:38:18-08:00", "utc": "1925-02-04T19:38:18Z", "ms": -1417062101614.066 }, "end": { "local": "1925-02-04T12:26:18-08:00", "utc": "1925-02-04T20:26:18Z", "ms": -1417059221614.066 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-02-05", "window": { "start": { "local": "1925-02-05T11:38:24-08:00", "utc": "1925-02-05T19:38:24Z", "ms": -1416975696478.4602 }, "end": { "local": "1925-02-05T12:26:24-08:00", "utc": "1925-02-05T20:26:24Z", "ms": -1416972816478.4602 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:30 on Wed 4 Feb to 07:09 on Thu 5 Feb.", "fact": "1925-02-04T12:29:58Z → 1925-02-05T15:09:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 4th, 11:38–12:26 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16143 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Tijuana, 1925: Wednesday 4 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": "1925-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-02-04", "confidence": "determinate" } ], "quote": "In Tijuana, Bhīṣma Dvādaśī 1925 falls on Wednesday 4 February. Dvādaśī runs from 04:30 on Wed 4 Feb to 07:09 on Thu 5 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/pradosha-vrata?on=1925-02-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27900, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-02-05T07:09:21-08:00", "utc": "1925-02-05T15:09:21Z", "ms": -1416991839027.329 }, "end": { "local": "1925-02-06T09:40:27-08:00", "utc": "1925-02-06T17:40:27Z", "ms": -1416896372955.845 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1925-02-05T07:09:21-08:00", "utc": "1925-02-05T15:09:21Z", "ms": -1416991839027.329 }, "end": { "local": "1925-02-06T09:40:27-08:00", "utc": "1925-02-06T17:40:27Z", "ms": -1416896372955.845 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-02-05", "window": { "start": { "local": "1925-02-05T17:24:32-08:00", "utc": "1925-02-06T01:24:32Z", "ms": -1416954927990.035 }, "end": { "local": "1925-02-05T19:10:32-08:00", "utc": "1925-02-06T03:10:32Z", "ms": -1416948568443.2798 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "1925-02-06", "window": { "start": { "local": "1925-02-06T17:25:27-08:00", "utc": "1925-02-07T01:25:27Z", "ms": -1416868472943.6155 }, "end": { "local": "1925-02-06T19:11:13-08:00", "utc": "1925-02-07T03:11:13Z", "ms": -1416862127108.6567 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:09 on Thu 5 Feb to 09:40 on Fri 6 Feb.", "fact": "1925-02-05T15:09:21Z → 1925-02-06T17:40:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:25–19:11 on the 5th, 17:25–19:11 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 5th and 0 of 106 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27900 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Tijuana, 1925: Thursday 5 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": "1925-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-02-05", "confidence": "determinate" } ], "quote": "In Tijuana, Śukla Pradoṣa Vrata 1925 falls on Thursday 5 February. Trayodaśī runs from 07:09 on Thu 5 Feb to 09:40 on Fri 6 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-02-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-02-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1016, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1925-02-07T11:55:27-08:00", "utc": "1925-02-07T19:55:27Z", "ms": -1416801872503.987 }, "end": { "local": "1925-02-08T13:48:56-08:00", "utc": "1925-02-08T21:48:56Z", "ms": -1416708664067.5554 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1925-02-07T11:55:27-08:00", "utc": "1925-02-07T19:55:27Z", "ms": -1416801872503.987 }, "end": { "local": "1925-02-08T13:48:56-08:00", "utc": "1925-02-08T21:48:56Z", "ms": -1416708664067.5554 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-02-07", "window": { "start": { "local": "1925-02-07T11:38:31-08:00", "utc": "1925-02-07T19:38:31Z", "ms": -1416802888670.1611 }, "end": { "local": "1925-02-07T12:26:31-08:00", "utc": "1925-02-07T20:26:31Z", "ms": -1416800008670.1611 } }, "covered_min": 31, "window_min": 48, "qualifies": true }, { "local_date": "1925-02-08", "window": { "start": { "local": "1925-02-08T11:38:34-08:00", "utc": "1925-02-08T19:38:34Z", "ms": -1416716485980.3115 }, "end": { "local": "1925-02-08T12:26:34-08:00", "utc": "1925-02-08T20:26:34Z", "ms": -1416713605980.3115 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:55 on Sat 7 Feb to 13:49 on Sun 8 Feb.", "fact": "1925-02-07T19:55:27Z → 1925-02-08T21:48:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 7th, 11:39–12:27 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 31 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1016 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Tijuana, 1925: Sunday 8 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": "1925-02-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-02-08", "confidence": "determinate" } ], "quote": "In Tijuana, Māghī Pūrṇimā 1925 falls on Sunday 8 February. Pūrṇimā runs from 11:55 on Sat 7 Feb to 13:49 on Sun 8 Feb and covers all of madhyāhna that midday. It also reaches the previous midday for 31 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/sankashta-chaturthi?on=1925-02-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12621, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-02-11T16:53:13-08:00", "utc": "1925-02-12T00:53:13Z", "ms": -1416438407379.1313 }, "end": { "local": "1925-02-12T16:59:06-08:00", "utc": "1925-02-13T00:59:06Z", "ms": -1416351653633.106 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1925-02-11T16:53:13-08:00", "utc": "1925-02-12T00:53:13Z", "ms": -1416438407379.1313 }, "end": { "local": "1925-02-12T16:59:06-08:00", "utc": "1925-02-13T00:59:06Z", "ms": -1416351653633.106 } }, "kaala": "moonrise", "days": [ { "local_date": "1925-02-11", "window": { "start": { "local": "1925-02-11T20:23:33-08:00", "utc": "1925-02-12T04:23:33Z", "ms": -1416425786645.223 }, "end": { "local": "1925-02-11T20:23:33-08:00", "utc": "1925-02-12T04:23:33Z", "ms": -1416425786645.223 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-02-12", "window": { "start": { "local": "1925-02-12T21:22:06-08:00", "utc": "1925-02-13T05:22:06Z", "ms": -1416335873616.9553 }, "end": { "local": "1925-02-12T21:22:06-08:00", "utc": "1925-02-13T05:22:06Z", "ms": -1416335873616.9553 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:53 on Wed 11 Feb to 16:59 on Thu 12 Feb.", "fact": "1925-02-12T00:53:13Z → 1925-02-13T00:59:06Z" }, { "step": "kaala", "text": "Moonrise is at 20:24 on the 11th and 21:22 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12621 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Tijuana, 1925: Wednesday 11 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": "1925-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-02-11", "confidence": "determinate" } ], "quote": "In Tijuana, Saṅkaṣṭa Caturthī 1925 falls on Wednesday 11 February. Caturthī runs from 16:53 on Wed 11 Feb to 16:59 on Thu 12 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/sankashta-chaturthi?on=1925-02-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/ekadashi?on=1925-02-18", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3337, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-02-18T08:14:01-08:00", "utc": "1925-02-18T16:14:01Z", "ms": -1415864758799.4067 }, "end": { "local": "1925-02-19T05:31:55-08:00", "utc": "1925-02-19T13:31:55Z", "ms": -1415788084712.7034 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1925-02-18T08:14:01-08:00", "utc": "1925-02-18T16:14:01Z", "ms": -1415864758799.4067 }, "end": { "local": "1925-02-19T05:31:55-08:00", "utc": "1925-02-19T13:31:55Z", "ms": -1415788084712.7034 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-02-18", "window": { "start": { "local": "1925-02-18T06:28:34-08:00", "utc": "1925-02-18T14:28:34Z", "ms": -1415871086404.3542 }, "end": { "local": "1925-02-18T06:28:34-08:00", "utc": "1925-02-18T14:28:34Z", "ms": -1415871086404.3542 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-02-19", "window": { "start": { "local": "1925-02-19T06:27:32-08:00", "utc": "1925-02-19T14:27:32Z", "ms": -1415784748208.314 }, "end": { "local": "1925-02-19T06:27:32-08:00", "utc": "1925-02-19T14:27:32Z", "ms": -1415784748208.314 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:14 on Wed 18 Feb to 05:32 on Thu 19 Feb.", "fact": "1925-02-18T16:14:01Z → 1925-02-19T13:31:55Z" }, { "step": "kaala", "text": "Sunrise is at 06:29 on the 18th and 06:28 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is not on the 19th.", "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 3337 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Tijuana, 1925: Wednesday 18 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": "1925-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-02-18", "confidence": "determinate" } ], "quote": "In Tijuana, Vijayā Ekādaśī 1925 falls on Wednesday 18 February. Ekādaśī runs from 08:14 on Wed 18 Feb to 05:32 on Thu 19 Feb, and is current at sunrise on neither day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-02-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 376, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1925-02-20T23:43:52-08:00", "utc": "1925-02-21T07:43:52Z", "ms": -1415636167933.0754 }, "end": { "local": "1925-02-21T20:51:53-08:00", "utc": "1925-02-22T04:51:53Z", "ms": -1415560086694.9539 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1925-02-20T23:43:52-08:00", "utc": "1925-02-21T07:43:52Z", "ms": -1415636167933.0754 }, "end": { "local": "1925-02-21T20:51:53-08:00", "utc": "1925-02-22T04:51:53Z", "ms": -1415560086694.9539 } }, "kaala": "nishita", "days": [ { "local_date": "1925-02-20", "window": { "start": { "local": "1925-02-20T23:37:36-08:00", "utc": "1925-02-21T07:37:36Z", "ms": -1415636544134.5984 }, "end": { "local": "1925-02-21T00:25:36-08:00", "utc": "1925-02-21T08:25:36Z", "ms": -1415633664134.5984 } }, "covered_min": 42, "window_min": 48, "qualifies": true }, { "local_date": "1925-02-21", "window": { "start": { "local": "1925-02-21T23:37:29-08:00", "utc": "1925-02-22T07:37:29Z", "ms": -1415550151286.37 }, "end": { "local": "1925-02-22T00:25:29-08:00", "utc": "1925-02-22T08:25:29Z", "ms": -1415547271286.37 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:44 on Fri 20 Feb to 20:52 on Sat 21 Feb.", "fact": "1925-02-21T07:43:52Z → 1925-02-22T04:51:53Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:38–00:26 on the 20th, 23:37–00:25 on the 21st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 42 of 48 minutes on the 20th and 0 of 48 on the 21st.", "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 376 s" }, { "step": "ruling", "text": "Mahāśivarātri, Tijuana, 1925: Friday 20 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": "1925-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-02-20", "confidence": "determinate" } ], "quote": "In Tijuana, Mahāśivarātri 1925 falls on Friday 20 February. Caturdaśī runs from 23:44 on Fri 20 Feb to 20:52 on Sat 21 Feb and covers 42 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/pradosha-vrata?on=1925-02-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15824, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-02-20T02:39:41-08:00", "utc": "1925-02-20T10:39:41Z", "ms": -1415712018911.6016 }, "end": { "local": "1925-02-20T23:43:52-08:00", "utc": "1925-02-21T07:43:52Z", "ms": -1415636167933.0754 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1925-02-20T02:39:41-08:00", "utc": "1925-02-20T10:39:41Z", "ms": -1415712018911.6016 }, "end": { "local": "1925-02-20T23:43:52-08:00", "utc": "1925-02-21T07:43:52Z", "ms": -1415636167933.0754 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-02-19", "window": { "start": { "local": "1925-02-19T17:36:56-08:00", "utc": "1925-02-20T01:36:56Z", "ms": -1415744584255.3657 }, "end": { "local": "1925-02-19T19:19:32-08:00", "utc": "1925-02-20T03:19:32Z", "ms": -1415738427819.1604 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "1925-02-20", "window": { "start": { "local": "1925-02-20T17:37:46-08:00", "utc": "1925-02-21T01:37:46Z", "ms": -1415658133565.238 }, "end": { "local": "1925-02-20T19:20:08-08:00", "utc": "1925-02-21T03:20:08Z", "ms": -1415651992383.7341 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:40 on Fri 20 Feb to 23:44 on Fri 20 Feb.", "fact": "1925-02-20T10:39:41Z → 1925-02-21T07:43:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:37–19:20 on the 19th, 17:38–19:20 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 19th and 102 of 102 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15824 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 1925: Friday 20 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": "1925-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-02-20", "confidence": "determinate" } ], "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 1925 falls on Friday 20 February. Trayodaśī runs from 02:40 on Fri 20 Feb to 23:44 on Fri 20 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-02-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-02-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-02-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 759, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-02-25T12:45:37-08:00", "utc": "1925-02-25T20:45:37Z", "ms": -1415243663250.914 }, "end": { "local": "1925-02-26T12:12:39-08:00", "utc": "1925-02-26T20:12:39Z", "ms": -1415159240818.6296 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1925-02-25T12:45:37-08:00", "utc": "1925-02-25T20:45:37Z", "ms": -1415243663250.914 }, "end": { "local": "1925-02-26T12:12:39-08:00", "utc": "1925-02-26T20:12:39Z", "ms": -1415159240818.6296 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-02-25", "window": { "start": { "local": "1925-02-25T11:37:28-08:00", "utc": "1925-02-25T19:37:28Z", "ms": -1415247752026.4216 }, "end": { "local": "1925-02-25T12:25:28-08:00", "utc": "1925-02-25T20:25:28Z", "ms": -1415244872026.4216 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-02-26", "window": { "start": { "local": "1925-02-26T11:37:18-08:00", "utc": "1925-02-26T19:37:18Z", "ms": -1415161361804.728 }, "end": { "local": "1925-02-26T12:25:18-08:00", "utc": "1925-02-26T20:25:18Z", "ms": -1415158481804.728 } }, "covered_min": 35, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:46 on Wed 25 Feb to 12:13 on Thu 26 Feb.", "fact": "1925-02-25T20:45:37Z → 1925-02-26T20:12:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 25th, 11:37–12:25 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 0 of 48 minutes on the 25th and 35 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 759 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Tijuana, 1925: Thursday 26 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": "1925-02-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-02-26", "confidence": "boundary" } ], "quote": "In Tijuana, Vināyaka Caturthī 1925 falls on Thursday 26 February. Caturthī runs from 12:46 on Wed 25 Feb to 12:13 on Thu 26 Feb and covers 35 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-02-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/ekadashi?on=1925-03-05", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-03-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18885, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-03-04T22:26:23-08:00", "utc": "1925-03-05T06:26:23Z", "ms": -1414604016900.398 }, "end": { "local": "1925-03-06T00:55:38-08:00", "utc": "1925-03-06T08:55:38Z", "ms": -1414508661822.5999 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1925-03-04T22:26:23-08:00", "utc": "1925-03-05T06:26:23Z", "ms": -1414604016900.398 }, "end": { "local": "1925-03-06T00:55:38-08:00", "utc": "1925-03-06T08:55:38Z", "ms": -1414508661822.5999 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-03-05", "window": { "start": { "local": "1925-03-05T06:11:37-08:00", "utc": "1925-03-05T14:11:37Z", "ms": -1414576103236.6138 }, "end": { "local": "1925-03-05T06:11:37-08:00", "utc": "1925-03-05T14:11:37Z", "ms": -1414576103236.6138 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-03-06", "window": { "start": { "local": "1925-03-06T06:10:23-08:00", "utc": "1925-03-06T14:10:23Z", "ms": -1414489776725.0059 }, "end": { "local": "1925-03-06T06:10:23-08:00", "utc": "1925-03-06T14:10:23Z", "ms": -1414489776725.0059 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:26 on Wed 4 Mar to 00:56 on Fri 6 Mar.", "fact": "1925-03-05T06:26:23Z → 1925-03-06T08:55:38Z" }, { "step": "kaala", "text": "Sunrise is at 06:12 on the 5th and 06:10 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18885 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Tijuana, 1925: Thursday 5 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": "1925-03-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-03-05", "confidence": "determinate" } ], "quote": "In Tijuana, Āmalakī Ekādaśī 1925 falls on Thursday 5 March. Ekādaśī runs from 22:26 on Wed 4 Mar to 00:56 on Fri 6 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-03-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/pradosha-vrata?on=1925-03-07", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27392, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-03-07T03:04:11-08:00", "utc": "1925-03-07T11:04:11Z", "ms": -1414414548719.0664 }, "end": { "local": "1925-03-08T04:43:37-08:00", "utc": "1925-03-08T12:43:37Z", "ms": -1414322182792.564 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1925-03-07T03:04:11-08:00", "utc": "1925-03-07T11:04:11Z", "ms": -1414414548719.0664 }, "end": { "local": "1925-03-08T04:43:37-08:00", "utc": "1925-03-08T12:43:37Z", "ms": -1414322182792.564 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-03-06", "window": { "start": { "local": "1925-03-06T17:48:58-08:00", "utc": "1925-03-07T01:48:58Z", "ms": -1414447862019.756 }, "end": { "local": "1925-03-06T19:27:39-08:00", "utc": "1925-03-07T03:27:39Z", "ms": -1414441940517.522 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1925-03-07", "window": { "start": { "local": "1925-03-07T17:49:43-08:00", "utc": "1925-03-08T01:49:43Z", "ms": -1414361416648.6736 }, "end": { "local": "1925-03-07T19:28:09-08:00", "utc": "1925-03-08T03:28:09Z", "ms": -1414355511133.9973 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:04 on Sat 7 Mar to 04:44 on Sun 8 Mar.", "fact": "1925-03-07T11:04:11Z → 1925-03-08T12:43:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:49–19:28 on the 6th, 17:50–19:28 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 6th and 98 of 98 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27392 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Tijuana, 1925: Saturday 7 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": "1925-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-03-07", "confidence": "determinate" } ], "quote": "In Tijuana, Śukla Pradoṣa Vrata 1925 falls on Saturday 7 March. Trayodaśī runs from 03:04 on Sat 7 Mar to 04:44 on Sun 8 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-03-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32996, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1925-03-09T05:49:27-08:00", "utc": "1925-03-09T13:49:27Z", "ms": -1414231833266.1597 }, "end": { "local": "1925-03-10T06:20:43-08:00", "utc": "1925-03-10T14:20:43Z", "ms": -1414143557379.0432 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1925-03-09T05:49:27-08:00", "utc": "1925-03-09T13:49:27Z", "ms": -1414231833266.1597 }, "end": { "local": "1925-03-10T06:20:43-08:00", "utc": "1925-03-10T14:20:43Z", "ms": -1414143557379.0432 } }, "kaala": "sayahna", "days": [ { "local_date": "1925-03-09", "window": { "start": { "local": "1925-03-09T15:30:19-08:00", "utc": "1925-03-09T23:30:19Z", "ms": -1414196981495.3652 }, "end": { "local": "1925-03-09T17:51:13-08:00", "utc": "1925-03-10T01:51:13Z", "ms": -1414188526794.2893 } }, "covered_min": 141, "window_min": 141, "qualifies": true }, { "local_date": "1925-03-10", "window": { "start": { "local": "1925-03-10T15:30:39-08:00", "utc": "1925-03-10T23:30:39Z", "ms": -1414110560977.7502 }, "end": { "local": "1925-03-10T17:51:58-08:00", "utc": "1925-03-11T01:51:58Z", "ms": -1414102082283.83 } }, "covered_min": 0, "window_min": 141, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:49 on Mon 9 Mar to 06:21 on Tue 10 Mar.", "fact": "1925-03-09T13:49:27Z → 1925-03-10T14:20:43Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:30–17:51 on the 9th, 15:31–17:52 on the 10th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 141 of 141 minutes on the 9th and 0 of 141 on the 10th.", "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 32996 s" }, { "step": "ruling", "text": "Holikā Dahana, Tijuana, 1925: Monday 9 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": "1925-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-03-09", "confidence": "determinate" } ], "quote": "In Tijuana, Holikā Dahana 1925 falls on Monday 9 March. Pūrṇimā runs from 05:49 on Mon 9 Mar to 06:21 on Tue 10 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-03-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32996, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1925-03-09T05:49:27-08:00", "utc": "1925-03-09T13:49:27Z", "ms": -1414231833266.1597 }, "end": { "local": "1925-03-10T06:20:43-08:00", "utc": "1925-03-10T14:20:43Z", "ms": -1414143557379.0432 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1925-03-09T05:49:27-08:00", "utc": "1925-03-09T13:49:27Z", "ms": -1414231833266.1597 }, "end": { "local": "1925-03-10T06:20:43-08:00", "utc": "1925-03-10T14:20:43Z", "ms": -1414143557379.0432 } }, "kaala": "sayahna", "days": [ { "local_date": "1925-03-09", "window": { "start": { "local": "1925-03-09T15:30:19-08:00", "utc": "1925-03-09T23:30:19Z", "ms": -1414196981495.3652 }, "end": { "local": "1925-03-09T17:51:13-08:00", "utc": "1925-03-10T01:51:13Z", "ms": -1414188526794.2893 } }, "covered_min": 141, "window_min": 141, "qualifies": true }, { "local_date": "1925-03-10", "window": { "start": { "local": "1925-03-10T15:30:39-08:00", "utc": "1925-03-10T23:30:39Z", "ms": -1414110560977.7502 }, "end": { "local": "1925-03-10T17:51:58-08:00", "utc": "1925-03-11T01:51:58Z", "ms": -1414102082283.83 } }, "covered_min": 0, "window_min": 141, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1925-03-09", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:49 on Mon 9 Mar to 06:21 on Tue 10 Mar.", "fact": "1925-03-09T13:49:27Z → 1925-03-10T14:20:43Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:30–17:51 on the 9th, 15:31–17:52 on the 10th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 141 of 141 minutes on the 9th and 0 of 141 on the 10th.", "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 32996 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Monday 9 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Tijuana, 1925: Tuesday 10 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": "1925-03-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-03-10", "confidence": "determinate" } ], "quote": "In Tijuana, Holī 1925 falls on Tuesday 10 March. It is kept the day after Holikā Dahana, which falls on Monday 9 March. Pūrṇimā runs from 05:49 on Mon 9 Mar to 06:21 on Tue 10 Mar and covers all of sāyāhna on the 9th.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 901, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1925-03-10T06:20:43-08:00", "utc": "1925-03-10T14:20:43Z", "ms": -1414143557379.0432 }, "end": { "local": "1925-03-11T06:19:10-08:00", "utc": "1925-03-11T14:19:10Z", "ms": -1414057250342.9563 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1925-03-10T06:20:43-08:00", "utc": "1925-03-10T14:20:43Z", "ms": -1414143557379.0432 }, "end": { "local": "1925-03-11T06:19:10-08:00", "utc": "1925-03-11T14:19:10Z", "ms": -1414057250342.9563 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-03-10", "window": { "start": { "local": "1925-03-10T06:05:24-08:00", "utc": "1925-03-10T14:05:24Z", "ms": -1414144475753.4307 }, "end": { "local": "1925-03-10T06:05:24-08:00", "utc": "1925-03-10T14:05:24Z", "ms": -1414144475753.4307 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-03-11", "window": { "start": { "local": "1925-03-11T06:04:08-08:00", "utc": "1925-03-11T14:04:08Z", "ms": -1414058151618.56 }, "end": { "local": "1925-03-11T06:04:08-08:00", "utc": "1925-03-11T14:04:08Z", "ms": -1414058151618.56 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 06:21 on Tue 10 Mar to 06:19 on Wed 11 Mar.", "fact": "1925-03-10T14:20:43Z → 1925-03-11T14:19:10Z" }, { "step": "kaala", "text": "Sunrise is at 06:05 on the 10th and 06:04 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is not on the 10th and is on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 901 s" }, { "step": "ruling", "text": "Vasantotsava, Tijuana, 1925: Wednesday 11 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": "1925-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-03-11", "confidence": "determinate" } ], "quote": "In Tijuana, Vasantotsava 1925 falls on Wednesday 11 March. Pratipadā runs from 06:21 on Tue 10 Mar to 06:19 on Wed 11 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/sankashta-chaturthi?on=1925-03-13", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22737, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-03-13T04:52:26-08:00", "utc": "1925-03-13T12:52:26Z", "ms": -1413889654305.509 }, "end": { "local": "1925-03-14T03:36:05-08:00", "utc": "1925-03-14T11:36:05Z", "ms": -1413807835271.209 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1925-03-13T04:52:26-08:00", "utc": "1925-03-13T12:52:26Z", "ms": -1413889654305.509 }, "end": { "local": "1925-03-14T03:36:05-08:00", "utc": "1925-03-14T11:36:05Z", "ms": -1413807835271.209 } }, "kaala": "moonrise", "days": [ { "local_date": "1925-03-12", "window": { "start": { "local": "1925-03-12T20:15:19-08:00", "utc": "1925-03-13T04:15:19Z", "ms": -1413920680752.7905 }, "end": { "local": "1925-03-12T20:15:19-08:00", "utc": "1925-03-13T04:15:19Z", "ms": -1413920680752.7905 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-03-13", "window": { "start": { "local": "1925-03-13T21:17:08-08:00", "utc": "1925-03-14T05:17:08Z", "ms": -1413830572078.3687 }, "end": { "local": "1925-03-13T21:17:08-08:00", "utc": "1925-03-14T05:17:08Z", "ms": -1413830572078.3687 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:52 on Fri 13 Mar to 03:36 on Sat 14 Mar.", "fact": "1925-03-13T12:52:26Z → 1925-03-14T11:36:05Z" }, { "step": "kaala", "text": "Moonrise is at 20:15 on the 12th and 21:17 on the 13th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22737 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Tijuana, 1925: Friday 13 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": "1925-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-03-13", "confidence": "determinate" } ], "quote": "In Tijuana, Saṅkaṣṭa Caturthī 1925 falls on Friday 13 March. Caturthī runs from 04:52 on Fri 13 Mar to 03:36 on Sat 14 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/sankashta-chaturthi?on=1925-03-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-03-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28682, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1925-03-16T22:22:11-08:00", "utc": "1925-03-17T06:22:11Z", "ms": -1413567468631.8052 }, "end": { "local": "1925-03-17T20:18:46-08:00", "utc": "1925-03-18T04:18:46Z", "ms": -1413488473506.662 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1925-03-16T22:22:11-08:00", "utc": "1925-03-17T06:22:11Z", "ms": -1413567468631.8052 }, "end": { "local": "1925-03-17T20:18:46-08:00", "utc": "1925-03-18T04:18:46Z", "ms": -1413488473506.662 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-03-16", "window": { "start": { "local": "1925-03-16T11:33:02-08:00", "utc": "1925-03-16T19:33:02Z", "ms": -1413606418030.6772 }, "end": { "local": "1925-03-16T12:21:02-08:00", "utc": "1925-03-16T20:21:02Z", "ms": -1413603538030.6772 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-03-17", "window": { "start": { "local": "1925-03-17T11:32:45-08:00", "utc": "1925-03-17T19:32:45Z", "ms": -1413520035344.872 }, "end": { "local": "1925-03-17T12:20:45-08:00", "utc": "1925-03-17T20:20:45Z", "ms": -1413517155344.872 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:22 on Mon 16 Mar to 20:19 on Tue 17 Mar.", "fact": "1925-03-17T06:22:11Z → 1925-03-18T04:18:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 16th, 11:33–12:21 on the 17th.", "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 16th and 48 of 48 on the 17th.", "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 28682 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Tijuana, 1925: Tuesday 17 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": "1925-03-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-03-17", "confidence": "determinate" } ], "quote": "In Tijuana, Śītalāṣṭamī 1925 falls on Tuesday 17 March. Aṣṭamī runs from 22:22 on Mon 16 Mar to 20:19 on Tue 17 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ekadashi?on=1925-03-20", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28215, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-03-19T15:56:41-08:00", "utc": "1925-03-19T23:56:41Z", "ms": -1413331399256.2974 }, "end": { "local": "1925-03-20T13:42:48-08:00", "utc": "1925-03-20T21:42:48Z", "ms": -1413253032233.249 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1925-03-19T15:56:41-08:00", "utc": "1925-03-19T23:56:41Z", "ms": -1413331399256.2974 }, "end": { "local": "1925-03-20T13:42:48-08:00", "utc": "1925-03-20T21:42:48Z", "ms": -1413253032233.249 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-03-19", "window": { "start": { "local": "1925-03-19T05:53:50-08:00", "utc": "1925-03-19T13:53:50Z", "ms": -1413367569513.2012 }, "end": { "local": "1925-03-19T05:53:50-08:00", "utc": "1925-03-19T13:53:50Z", "ms": -1413367569513.2012 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-03-20", "window": { "start": { "local": "1925-03-20T05:52:32-08:00", "utc": "1925-03-20T13:52:32Z", "ms": -1413281247664.0183 }, "end": { "local": "1925-03-20T05:52:32-08:00", "utc": "1925-03-20T13:52:32Z", "ms": -1413281247664.0183 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:57 on Thu 19 Mar to 13:43 on Fri 20 Mar.", "fact": "1925-03-19T23:56:41Z → 1925-03-20T21:42:48Z" }, { "step": "kaala", "text": "Sunrise is at 05:54 on the 19th and 05:53 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is on the 20th.", "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 28215 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Tijuana, 1925: Friday 20 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": "1925-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-03-20", "confidence": "determinate" } ], "quote": "In Tijuana, Pāpamocanī Ekādaśī 1925 falls on Friday 20 March. Ekādaśī runs from 15:57 on Thu 19 Mar to 13:43 on Fri 20 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-03-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/pradosha-vrata?on=1925-03-21", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23308, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-03-21T11:31:26-08:00", "utc": "1925-03-21T19:31:26Z", "ms": -1413174514332.5095 }, "end": { "local": "1925-03-22T09:27:07-08:00", "utc": "1925-03-22T17:27:07Z", "ms": -1413095572811.2493 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1925-03-21T11:31:26-08:00", "utc": "1925-03-21T19:31:26Z", "ms": -1413174514332.5095 }, "end": { "local": "1925-03-22T09:27:07-08:00", "utc": "1925-03-22T17:27:07Z", "ms": -1413095572811.2493 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-03-21", "window": { "start": { "local": "1925-03-21T17:59:54-08:00", "utc": "1925-03-22T01:59:54Z", "ms": -1413151206370.1082 }, "end": { "local": "1925-03-21T19:34:34-08:00", "utc": "1925-03-22T03:34:34Z", "ms": -1413145526089.3372 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "1925-03-22", "window": { "start": { "local": "1925-03-22T18:00:36-08:00", "utc": "1925-03-23T02:00:36Z", "ms": -1413064764020.592 }, "end": { "local": "1925-03-22T19:35:00-08:00", "utc": "1925-03-23T03:35:00Z", "ms": -1413059099839.5044 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:31 on Sat 21 Mar to 09:27 on Sun 22 Mar.", "fact": "1925-03-21T19:31:26Z → 1925-03-22T17:27:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:00–19:35 on the 21st, 18:01–19:35 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 95 of 95 minutes on the 21st and 0 of 94 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23308 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 1925: Saturday 21 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": "1925-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-03-21", "confidence": "determinate" } ], "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 1925 falls on Saturday 21 March. Trayodaśī runs from 11:31 on Sat 21 Mar to 09:27 on Sun 22 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-03-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/shivaratri?on=1925-03-22", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26210, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1925-03-22T09:27:07-08:00", "utc": "1925-03-22T17:27:07Z", "ms": -1413095572811.2493 }, "end": { "local": "1925-03-23T07:35:27-08:00", "utc": "1925-03-23T15:35:27Z", "ms": -1413015873367.6392 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1925-03-22T09:27:07-08:00", "utc": "1925-03-22T17:27:07Z", "ms": -1413095572811.2493 }, "end": { "local": "1925-03-23T07:35:27-08:00", "utc": "1925-03-23T15:35:27Z", "ms": -1413015873367.6392 } }, "kaala": "nishita", "days": [ { "local_date": "1925-03-21", "window": { "start": { "local": "1925-03-21T23:30:55-08:00", "utc": "1925-03-22T07:30:55Z", "ms": -1413131345317.2173 }, "end": { "local": "1925-03-22T00:18:55-08:00", "utc": "1925-03-22T08:18:55Z", "ms": -1413128465317.2173 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-03-22", "window": { "start": { "local": "1925-03-22T23:30:37-08:00", "utc": "1925-03-23T07:30:37Z", "ms": -1413044963341.513 }, "end": { "local": "1925-03-23T00:18:37-08:00", "utc": "1925-03-23T08:18:37Z", "ms": -1413042083341.513 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:27 on Sun 22 Mar to 07:35 on Mon 23 Mar.", "fact": "1925-03-22T17:27:07Z → 1925-03-23T15:35:27Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:31–00:19 on the 21st, 23:31–00:19 on the 22nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26210 s" }, { "step": "ruling", "text": "Śivarātri, Tijuana, 1925: Sunday 22 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": "1925-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-03-22", "confidence": "determinate" } ], "quote": "In Tijuana, Śivarātri 1925 falls on Sunday 22 March. Caturdaśī runs from 09:27 on Sun 22 Mar to 07:35 on Mon 23 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/tijuana/festivals/1925/shivaratri?on=1925-03-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19672, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1925-03-24T06:02:47-08:00", "utc": "1925-03-24T14:02:47Z", "ms": -1412935032547.82 }, "end": { "local": "1925-03-25T04:55:57-08:00", "utc": "1925-03-25T12:55:57Z", "ms": -1412852643382.73 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1925-03-24T06:02:47-08:00", "utc": "1925-03-24T14:02:47Z", "ms": -1412935032547.82 }, "end": { "local": "1925-03-25T04:55:57-08:00", "utc": "1925-03-25T12:55:57Z", "ms": -1412852643382.73 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-03-24", "window": { "start": { "local": "1925-03-24T11:30:40-08:00", "utc": "1925-03-24T19:30:40Z", "ms": -1412915360372.5396 }, "end": { "local": "1925-03-24T12:18:40-08:00", "utc": "1925-03-24T20:18:40Z", "ms": -1412912480372.5396 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-03-25", "window": { "start": { "local": "1925-03-25T11:30:21-08:00", "utc": "1925-03-25T19:30:21Z", "ms": -1412828978574.8594 }, "end": { "local": "1925-03-25T12:18:21-08:00", "utc": "1925-03-25T20:18:21Z", "ms": -1412826098574.8594 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 06:03 on Tue 24 Mar to 04:56 on Wed 25 Mar.", "fact": "1925-03-24T14:02:47Z → 1925-03-25T12:55:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 24th, 11:30–12:18 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19672 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Tijuana, 1925: Tuesday 24 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": "1925-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-03-24", "confidence": "determinate" } ], "quote": "In Tijuana, Navarātrārambha (Caitra) (Chaitra Navratri) 1925 falls on Tuesday 24 March. Pratipadā runs from 06:03 on Tue 24 Mar to 04:56 on Wed 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25515, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1925-03-26T04:21:25-08:00", "utc": "1925-03-26T12:21:25Z", "ms": -1412768315434.6165 }, "end": { "local": "1925-03-27T04:24:30-08:00", "utc": "1925-03-27T12:24:30Z", "ms": -1412681729929.2178 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1925-03-26T04:21:25-08:00", "utc": "1925-03-26T12:21:25Z", "ms": -1412768315434.6165 }, "end": { "local": "1925-03-27T04:24:30-08:00", "utc": "1925-03-27T12:24:30Z", "ms": -1412681729929.2178 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-03-26", "window": { "start": { "local": "1925-03-26T11:30:03-08:00", "utc": "1925-03-26T19:30:03Z", "ms": -1412742596813.814 }, "end": { "local": "1925-03-26T12:18:03-08:00", "utc": "1925-03-26T20:18:03Z", "ms": -1412739716813.814 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-03-27", "window": { "start": { "local": "1925-03-27T11:29:45-08:00", "utc": "1925-03-27T19:29:45Z", "ms": -1412656215072.7231 }, "end": { "local": "1925-03-27T12:17:45-08:00", "utc": "1925-03-27T20:17:45Z", "ms": -1412653335072.7231 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 04:21 on Thu 26 Mar to 04:25 on Fri 27 Mar.", "fact": "1925-03-26T12:21:25Z → 1925-03-27T12:24:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 26th, 11:30–12:18 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25515 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Tijuana, 1925: Thursday 26 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": "1925-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-03-26", "confidence": "determinate" } ], "quote": "In Tijuana, Gaurī Tṛtīyā (Gangaur) 1925 falls on Thursday 26 March. Tṛtīyā runs from 04:21 on Thu 26 Mar to 04:25 on Fri 27 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25515, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1925-03-26T04:21:25-08:00", "utc": "1925-03-26T12:21:25Z", "ms": -1412768315434.6165 }, "end": { "local": "1925-03-27T04:24:30-08:00", "utc": "1925-03-27T12:24:30Z", "ms": -1412681729929.2178 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1925-03-26T04:21:25-08:00", "utc": "1925-03-26T12:21:25Z", "ms": -1412768315434.6165 }, "end": { "local": "1925-03-27T04:24:30-08:00", "utc": "1925-03-27T12:24:30Z", "ms": -1412681729929.2178 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-03-26", "window": { "start": { "local": "1925-03-26T11:30:03-08:00", "utc": "1925-03-26T19:30:03Z", "ms": -1412742596813.814 }, "end": { "local": "1925-03-26T12:18:03-08:00", "utc": "1925-03-26T20:18:03Z", "ms": -1412739716813.814 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-03-27", "window": { "start": { "local": "1925-03-27T11:29:45-08:00", "utc": "1925-03-27T19:29:45Z", "ms": -1412656215072.7231 }, "end": { "local": "1925-03-27T12:17:45-08:00", "utc": "1925-03-27T20:17:45Z", "ms": -1412653335072.7231 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 04:21 on Thu 26 Mar to 04:25 on Fri 27 Mar.", "fact": "1925-03-26T12:21:25Z → 1925-03-27T12:24:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 26th, 11:30–12:18 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25515 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Tijuana, 1925: Thursday 26 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": "1925-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-03-26", "confidence": "determinate" } ], "quote": "In Tijuana, Saubhāgya Śayana Vrata 1925 falls on Thursday 26 March. Tṛtīyā runs from 04:21 on Thu 26 Mar to 04:25 on Fri 27 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-03-27", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22875, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-03-27T04:24:30-08:00", "utc": "1925-03-27T12:24:30Z", "ms": -1412681729929.2178 }, "end": { "local": "1925-03-28T05:08:12-08:00", "utc": "1925-03-28T13:08:12Z", "ms": -1412592707858.464 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1925-03-27T04:24:30-08:00", "utc": "1925-03-27T12:24:30Z", "ms": -1412681729929.2178 }, "end": { "local": "1925-03-28T05:08:12-08:00", "utc": "1925-03-28T13:08:12Z", "ms": -1412592707858.464 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-03-27", "window": { "start": { "local": "1925-03-27T11:29:45-08:00", "utc": "1925-03-27T19:29:45Z", "ms": -1412656215072.7231 }, "end": { "local": "1925-03-27T12:17:45-08:00", "utc": "1925-03-27T20:17:45Z", "ms": -1412653335072.7231 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-03-28", "window": { "start": { "local": "1925-03-28T11:29:27-08:00", "utc": "1925-03-28T19:29:27Z", "ms": -1412569833334.378 }, "end": { "local": "1925-03-28T12:17:27-08:00", "utc": "1925-03-28T20:17:27Z", "ms": -1412566953334.378 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:25 on Fri 27 Mar to 05:08 on Sat 28 Mar.", "fact": "1925-03-27T12:24:30Z → 1925-03-28T13:08:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 27th, 11:29–12:17 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22875 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Tijuana, 1925: Friday 27 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": "1925-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-03-27", "confidence": "determinate" } ], "quote": "In Tijuana, Vināyaka Caturthī 1925 falls on Friday 27 March. Caturthī runs from 04:25 on Fri 27 Mar to 05:08 on Sat 28 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-03-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17831, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1925-03-28T05:08:12-08:00", "utc": "1925-03-28T13:08:12Z", "ms": -1412592707858.464 }, "end": { "local": "1925-03-29T06:31:58-08:00", "utc": "1925-03-29T14:31:58Z", "ms": -1412501282397.6785 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1925-03-28T05:08:12-08:00", "utc": "1925-03-28T13:08:12Z", "ms": -1412592707858.464 }, "end": { "local": "1925-03-29T06:31:58-08:00", "utc": "1925-03-29T14:31:58Z", "ms": -1412501282397.6785 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-03-28", "window": { "start": { "local": "1925-03-28T11:29:27-08:00", "utc": "1925-03-28T19:29:27Z", "ms": -1412569833334.378 }, "end": { "local": "1925-03-28T12:17:27-08:00", "utc": "1925-03-28T20:17:27Z", "ms": -1412566953334.378 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-03-29", "window": { "start": { "local": "1925-03-29T11:29:08-08:00", "utc": "1925-03-29T19:29:08Z", "ms": -1412483451581.0425 }, "end": { "local": "1925-03-29T12:17:08-08:00", "utc": "1925-03-29T20:17:08Z", "ms": -1412480571581.0425 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:08 on Sat 28 Mar to 06:32 on Sun 29 Mar.", "fact": "1925-03-28T13:08:12Z → 1925-03-29T14:31:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 28th, 11:29–12:17 on the 29th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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: purvaviddha → only-day · margin 17831 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Tijuana, 1925: Saturday 28 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": "1925-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-03-28", "confidence": "determinate" } ], "quote": "In Tijuana, Lakṣmī Pañcamī 1925 falls on Saturday 28 March. Pañcamī runs from 05:08 on Sat 28 Mar to 06:32 on Sun 29 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2035, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1925-03-31T10:54:37-08:00", "utc": "1925-03-31T18:54:37Z", "ms": -1412312723378.4404 }, "end": { "local": "1925-04-01T13:29:48-08:00", "utc": "1925-04-01T21:29:48Z", "ms": -1412217012148.366 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1925-03-31T10:54:37-08:00", "utc": "1925-03-31T18:54:37Z", "ms": -1412312723378.4404 }, "end": { "local": "1925-04-01T13:29:48-08:00", "utc": "1925-04-01T21:29:48Z", "ms": -1412217012148.366 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-03-31", "window": { "start": { "local": "1925-03-31T11:28:32-08:00", "utc": "1925-03-31T19:28:32Z", "ms": -1412310687956.1223 }, "end": { "local": "1925-03-31T12:16:32-08:00", "utc": "1925-03-31T20:16:32Z", "ms": -1412307807956.1223 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-04-01", "window": { "start": { "local": "1925-04-01T11:28:14-08:00", "utc": "1925-04-01T19:28:14Z", "ms": -1412224306046.9365 }, "end": { "local": "1925-04-01T12:16:14-08:00", "utc": "1925-04-01T20:16:14Z", "ms": -1412221426046.9365 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:55 on Tue 31 Mar to 13:30 on Wed 1 Apr.", "fact": "1925-03-31T18:54:37Z → 1925-04-01T21:29:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 31st, 11:28–12:16 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 2035 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Tijuana, 1925: Wednesday 1 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-04-01", "confidence": "determinate" } ], "quote": "In Tijuana, Bhavānī Utpatti 1925 falls on Wednesday 1 April. Aṣṭamī runs from 10:55 on Tue 31 Mar to 13:30 on Wed 1 Apr and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4414, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1925-04-01T13:29:48-08:00", "utc": "1925-04-01T21:29:48Z", "ms": -1412217012148.366 }, "end": { "local": "1925-04-02T16:00:22-08:00", "utc": "1925-04-03T00:00:22Z", "ms": -1412121577660.2507 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1925-04-01T13:29:48-08:00", "utc": "1925-04-01T21:29:48Z", "ms": -1412217012148.366 }, "end": { "local": "1925-04-02T16:00:22-08:00", "utc": "1925-04-03T00:00:22Z", "ms": -1412121577660.2507 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-04-01", "window": { "start": { "local": "1925-04-01T11:28:14-08:00", "utc": "1925-04-01T19:28:14Z", "ms": -1412224306046.9365 }, "end": { "local": "1925-04-01T12:16:14-08:00", "utc": "1925-04-01T20:16:14Z", "ms": -1412221426046.9365 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-04-02", "window": { "start": { "local": "1925-04-02T11:27:56-08:00", "utc": "1925-04-02T19:27:56Z", "ms": -1412137924047.6616 }, "end": { "local": "1925-04-02T12:15:56-08:00", "utc": "1925-04-02T20:15:56Z", "ms": -1412135044047.6616 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 13:30 on Wed 1 Apr to 16:00 on Thu 2 Apr.", "fact": "1925-04-01T21:29:48Z → 1925-04-03T00:00:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 1st, 11:28–12:16 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4414 s" }, { "step": "ruling", "text": "Rāma Navamī, Tijuana, 1925: Thursday 2 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-04-02", "confidence": "determinate" } ], "quote": "In Tijuana, Rāma Navamī 1925 falls on Thursday 2 April. Navamī runs from 13:30 on Wed 1 Apr to 16:00 on Thu 2 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ekadashi?on=1925-04-04", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34946, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-04-03T18:10:59-08:00", "utc": "1925-04-04T02:10:59Z", "ms": -1412027340567.336 }, "end": { "local": "1925-04-04T19:49:18-08:00", "utc": "1925-04-05T03:49:18Z", "ms": -1411935041621.0652 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1925-04-03T18:10:59-08:00", "utc": "1925-04-04T02:10:59Z", "ms": -1412027340567.336 }, "end": { "local": "1925-04-04T19:49:18-08:00", "utc": "1925-04-05T03:49:18Z", "ms": -1411935041621.0652 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-04-04", "window": { "start": { "local": "1925-04-04T05:33:02-08:00", "utc": "1925-04-04T13:33:02Z", "ms": -1411986418470.1133 }, "end": { "local": "1925-04-04T05:33:02-08:00", "utc": "1925-04-04T13:33:02Z", "ms": -1411986418470.1133 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-04-05", "window": { "start": { "local": "1925-04-05T05:31:45-08:00", "utc": "1925-04-05T13:31:45Z", "ms": -1411900095207.0862 }, "end": { "local": "1925-04-05T05:31:45-08:00", "utc": "1925-04-05T13:31:45Z", "ms": -1411900095207.0862 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:11 on Fri 3 Apr to 19:49 on Sat 4 Apr.", "fact": "1925-04-04T02:10:59Z → 1925-04-05T03:49:18Z" }, { "step": "kaala", "text": "Sunrise is at 05:33 on the 4th and 05:32 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34946 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Tijuana, 1925: Saturday 4 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": "1925-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-04-04", "confidence": "determinate" } ], "quote": "In Tijuana, Kāmadā Ekādaśī 1925 falls on Saturday 4 April. Ekādaśī runs from 18:11 on Fri 3 Apr to 19:49 on Sat 4 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-04-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30747, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-04-05T20:47:30-08:00", "utc": "1925-04-06T04:47:30Z", "ms": -1411845149891.3079 }, "end": { "local": "1925-04-06T21:02:39-08:00", "utc": "1925-04-07T05:02:39Z", "ms": -1411757840930.4167 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1925-04-05T20:47:30-08:00", "utc": "1925-04-06T04:47:30Z", "ms": -1411845149891.3079 }, "end": { "local": "1925-04-06T21:02:39-08:00", "utc": "1925-04-07T05:02:39Z", "ms": -1411757840930.4167 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-04-05", "window": { "start": { "local": "1925-04-05T11:27:03-08:00", "utc": "1925-04-05T19:27:03Z", "ms": -1411878777311.9307 }, "end": { "local": "1925-04-05T12:15:03-08:00", "utc": "1925-04-05T20:15:03Z", "ms": -1411875897311.9307 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-04-06", "window": { "start": { "local": "1925-04-06T11:26:45-08:00", "utc": "1925-04-06T19:26:45Z", "ms": -1411792394753.1929 }, "end": { "local": "1925-04-06T12:14:45-08:00", "utc": "1925-04-06T20:14:45Z", "ms": -1411789514753.1929 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:48 on Sun 5 Apr to 21:03 on Mon 6 Apr.", "fact": "1925-04-06T04:47:30Z → 1925-04-07T05:02:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 5th, 11:27–12:15 on the 6th.", "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 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30747 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Tijuana, 1925: Monday 6 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": "1925-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-04-06", "confidence": "determinate" } ], "quote": "In Tijuana, Anaṅga Trayodaśī 1925 falls on Monday 6 April. Trayodaśī runs from 20:48 on Sun 5 Apr to 21:03 on Mon 6 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/pradosha-vrata?on=1925-04-06", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3988, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-04-05T20:47:30-08:00", "utc": "1925-04-06T04:47:30Z", "ms": -1411845149891.3079 }, "end": { "local": "1925-04-06T21:02:39-08:00", "utc": "1925-04-07T05:02:39Z", "ms": -1411757840930.4167 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1925-04-05T20:47:30-08:00", "utc": "1925-04-06T04:47:30Z", "ms": -1411845149891.3079 }, "end": { "local": "1925-04-06T21:02:39-08:00", "utc": "1925-04-07T05:02:39Z", "ms": -1411757840930.4167 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-04-05", "window": { "start": { "local": "1925-04-05T18:10:21-08:00", "utc": "1925-04-06T02:10:21Z", "ms": -1411854579416.7751 }, "end": { "local": "1925-04-05T19:41:02-08:00", "utc": "1925-04-06T03:41:02Z", "ms": -1411849138376.8196 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "1925-04-06", "window": { "start": { "local": "1925-04-06T18:11:02-08:00", "utc": "1925-04-07T02:11:02Z", "ms": -1411768137889.2769 }, "end": { "local": "1925-04-06T19:41:27-08:00", "utc": "1925-04-07T03:41:27Z", "ms": -1411762712526.698 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:48 on Sun 5 Apr to 21:03 on Mon 6 Apr.", "fact": "1925-04-06T04:47:30Z → 1925-04-07T05:02:39Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:41 on the 5th, 18:11–19:41 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 5th and 90 of 90 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3988 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Tijuana, 1925: Monday 6 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": "1925-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-04-06", "confidence": "determinate" } ], "quote": "In Tijuana, Śukla Pradoṣa Vrata 1925 falls on Monday 6 April. Trayodaśī runs from 20:48 on Sun 5 Apr to 21:03 on Mon 6 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-04-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30101, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1925-04-06T21:02:39-08:00", "utc": "1925-04-07T05:02:39Z", "ms": -1411757840930.4167 }, "end": { "local": "1925-04-07T20:36:09-08:00", "utc": "1925-04-08T04:36:09Z", "ms": -1411673031320.7673 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1925-04-06T21:02:39-08:00", "utc": "1925-04-07T05:02:39Z", "ms": -1411757840930.4167 }, "end": { "local": "1925-04-07T20:36:09-08:00", "utc": "1925-04-08T04:36:09Z", "ms": -1411673031320.7673 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-04-06", "window": { "start": { "local": "1925-04-06T11:26:45-08:00", "utc": "1925-04-06T19:26:45Z", "ms": -1411792394753.1929 }, "end": { "local": "1925-04-06T12:14:45-08:00", "utc": "1925-04-06T20:14:45Z", "ms": -1411789514753.1929 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-04-07", "window": { "start": { "local": "1925-04-07T11:26:28-08:00", "utc": "1925-04-07T19:26:28Z", "ms": -1411706012002.9658 }, "end": { "local": "1925-04-07T12:14:28-08:00", "utc": "1925-04-07T20:14:28Z", "ms": -1411703132002.9658 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:03 on Mon 6 Apr to 20:36 on Tue 7 Apr.", "fact": "1925-04-07T05:02:39Z → 1925-04-08T04:36:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 6th, 11:26–12:14 on the 7th.", "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 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30101 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Tijuana, 1925: Tuesday 7 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": "1925-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-04-07", "confidence": "determinate" } ], "quote": "In Tijuana, Viṣṇudamanaka Caturdaśī 1925 falls on Tuesday 7 April. Caturdaśī runs from 21:03 on Mon 6 Apr to 20:36 on Tue 7 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26306, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1925-04-07T20:36:09-08:00", "utc": "1925-04-08T04:36:09Z", "ms": -1411673031320.7673 }, "end": { "local": "1925-04-08T19:32:37-08:00", "utc": "1925-04-09T03:32:37Z", "ms": -1411590443272.9028 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1925-04-07T20:36:09-08:00", "utc": "1925-04-08T04:36:09Z", "ms": -1411673031320.7673 }, "end": { "local": "1925-04-08T19:32:37-08:00", "utc": "1925-04-09T03:32:37Z", "ms": -1411590443272.9028 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-04-07", "window": { "start": { "local": "1925-04-07T11:26:28-08:00", "utc": "1925-04-07T19:26:28Z", "ms": -1411706012002.9658 }, "end": { "local": "1925-04-07T12:14:28-08:00", "utc": "1925-04-07T20:14:28Z", "ms": -1411703132002.9658 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-04-08", "window": { "start": { "local": "1925-04-08T11:26:11-08:00", "utc": "1925-04-08T19:26:11Z", "ms": -1411619629039.8408 }, "end": { "local": "1925-04-08T12:14:11-08:00", "utc": "1925-04-08T20:14:11Z", "ms": -1411616749039.8408 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 20:36 on Tue 7 Apr to 19:33 on Wed 8 Apr.", "fact": "1925-04-08T04:36:09Z → 1925-04-09T03:32:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 7th, 11:26–12:14 on the 8th.", "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 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26306 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Tijuana, 1925: Wednesday 8 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": "1925-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-04-08", "confidence": "determinate" } ], "quote": "In Tijuana, Caitrī Pūrṇimā 1925 falls on Wednesday 8 April. Pūrṇimā runs from 20:36 on Tue 7 Apr to 19:33 on Wed 8 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/sankashta-chaturthi?on=1925-04-11", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26707, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-04-11T13:50:40-08:00", "utc": "1925-04-11T21:50:40Z", "ms": -1411351759845.189 }, "end": { "local": "1925-04-12T11:31:26-08:00", "utc": "1925-04-12T19:31:26Z", "ms": -1411273714041.805 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1925-04-11T13:50:40-08:00", "utc": "1925-04-11T21:50:40Z", "ms": -1411351759845.189 }, "end": { "local": "1925-04-12T11:31:26-08:00", "utc": "1925-04-12T19:31:26Z", "ms": -1411273714041.805 } }, "kaala": "moonrise", "days": [ { "local_date": "1925-04-11", "window": { "start": { "local": "1925-04-11T21:15:47-08:00", "utc": "1925-04-12T05:15:47Z", "ms": -1411325053024.0498 }, "end": { "local": "1925-04-11T21:15:47-08:00", "utc": "1925-04-12T05:15:47Z", "ms": -1411325053024.0498 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-04-12", "window": { "start": { "local": "1925-04-12T22:21:02-08:00", "utc": "1925-04-13T06:21:02Z", "ms": -1411234737923.3992 }, "end": { "local": "1925-04-12T22:21:02-08:00", "utc": "1925-04-13T06:21:02Z", "ms": -1411234737923.3992 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:51 on Sat 11 Apr to 11:31 on Sun 12 Apr.", "fact": "1925-04-11T21:50:40Z → 1925-04-12T19:31:26Z" }, { "step": "kaala", "text": "Moonrise is at 21:16 on the 11th and 22:21 on the 12th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26707 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Tijuana, 1925: Saturday 11 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": "1925-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-04-11", "confidence": "determinate" } ], "quote": "In Tijuana, Saṅkaṣṭa Caturthī 1925 falls on Saturday 11 April. Caturthī runs from 13:51 on Sat 11 Apr to 11:31 on Sun 12 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/sankashta-chaturthi?on=1925-04-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25279, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1925-04-12T22:20:26-08:00", "utc": "1925-04-13T06:20:26Z", "ms": -1411234773862.3223 }, "end": { "local": "1925-05-13T19:23:13-08:00", "utc": "1925-05-14T03:23:13Z", "ms": -1408567007061.3774 } }, "span": { "of": "transit", "start": { "local": "1925-04-12T22:20:26-08:00", "utc": "1925-04-13T06:20:26Z", "ms": -1411234773862.3223 }, "end": { "local": "1925-04-12T22:20:26-08:00", "utc": "1925-04-13T06:20:26Z", "ms": -1411234773862.3223 } }, "kaala": "day", "days": [ { "local_date": "1925-04-12", "window": { "start": { "local": "1925-04-12T05:22:58-08:00", "utc": "1925-04-12T13:22:58Z", "ms": -1411295821501.8997 }, "end": { "local": "1925-04-13T05:21:45-08:00", "utc": "1925-04-13T13:21:45Z", "ms": -1411209494766.6995 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "1925-04-13", "window": { "start": { "local": "1925-04-13T05:21:45-08:00", "utc": "1925-04-13T13:21:45Z", "ms": -1411209494766.6995 }, "end": { "local": "1925-04-14T05:20:33-08:00", "utc": "1925-04-14T13:20:33Z", "ms": -1411123167460.3503 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 22:20 on Sun 12 Apr.", "fact": "1925-04-13T06:20:26Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:23 on the 12th, and from 05:22 on the 13th.", "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 12th, not the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 25279 s" }, { "step": "ruling", "text": "Vaiśākhī, Tijuana, 1925: Sunday 12 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": "1925-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-04-12", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1925-04-12", "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": "1925-04-13", "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 Tijuana, Vaiśākhī 1925 falls on Sunday 12 April. The Sun enters Meṣa at 22:20 on Sun 12 Apr, and the rule counts the day from sunrise. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 13 April.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ekadashi?on=1925-04-18", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22185, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-04-17T23:06:03-08:00", "utc": "1925-04-18T07:06:03Z", "ms": -1410800037023.244 }, "end": { "local": "1925-04-18T21:36:34-08:00", "utc": "1925-04-19T05:36:34Z", "ms": -1410719006118.02 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1925-04-17T23:06:03-08:00", "utc": "1925-04-18T07:06:03Z", "ms": -1410800037023.244 }, "end": { "local": "1925-04-18T21:36:34-08:00", "utc": "1925-04-19T05:36:34Z", "ms": -1410719006118.02 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-04-18", "window": { "start": { "local": "1925-04-18T05:15:48-08:00", "utc": "1925-04-18T13:15:48Z", "ms": -1410777851951.681 }, "end": { "local": "1925-04-18T05:15:48-08:00", "utc": "1925-04-18T13:15:48Z", "ms": -1410777851951.681 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-04-19", "window": { "start": { "local": "1925-04-19T05:14:39-08:00", "utc": "1925-04-19T13:14:39Z", "ms": -1410691521368.4705 }, "end": { "local": "1925-04-19T05:14:39-08:00", "utc": "1925-04-19T13:14:39Z", "ms": -1410691521368.4705 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:06 on Fri 17 Apr to 21:37 on Sat 18 Apr.", "fact": "1925-04-18T07:06:03Z → 1925-04-19T05:36:34Z" }, { "step": "kaala", "text": "Sunrise is at 05:16 on the 18th and 05:15 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22185 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Tijuana, 1925: Saturday 18 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": "1925-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-04-18", "confidence": "determinate" } ], "quote": "In Tijuana, Varūthinī Ekādaśī 1925 falls on Saturday 18 April. Ekādaśī runs from 23:06 on Fri 17 Apr to 21:37 on Sat 18 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-04-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/pradosha-vrata?on=1925-04-20", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1574, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-04-19T20:20:47-08:00", "utc": "1925-04-20T04:20:47Z", "ms": -1410637152694.236 }, "end": { "local": "1925-04-20T19:21:29-08:00", "utc": "1925-04-21T03:21:29Z", "ms": -1410554311397.7954 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1925-04-19T20:20:47-08:00", "utc": "1925-04-20T04:20:47Z", "ms": -1410637152694.236 }, "end": { "local": "1925-04-20T19:21:29-08:00", "utc": "1925-04-21T03:21:29Z", "ms": -1410554311397.7954 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-04-19", "window": { "start": { "local": "1925-04-19T18:20:08-08:00", "utc": "1925-04-20T02:20:08Z", "ms": -1410644391794.3567 }, "end": { "local": "1925-04-19T19:47:15-08:00", "utc": "1925-04-20T03:47:15Z", "ms": -1410639164895.3557 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "1925-04-20", "window": { "start": { "local": "1925-04-20T18:20:51-08:00", "utc": "1925-04-21T02:20:51Z", "ms": -1410557949082.8018 }, "end": { "local": "1925-04-20T19:47:43-08:00", "utc": "1925-04-21T03:47:43Z", "ms": -1410552736935.439 } }, "covered_min": 61, "window_min": 87, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:21 on Sun 19 Apr to 19:21 on Mon 20 Apr.", "fact": "1925-04-20T04:20:47Z → 1925-04-21T03:21:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:20–19:47 on the 19th, 18:21–19:48 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 87 minutes on the 19th and 61 of 87 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1574 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 1925: Monday 20 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": "1925-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-04-20", "confidence": "boundary" } ], "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 1925 falls on Monday 20 April. Trayodaśī runs from 20:21 on Sun 19 Apr to 19:21 on Mon 20 Apr and covers 61 of 87 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-04-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/shivaratri?on=1925-04-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14468, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1925-04-20T19:21:29-08:00", "utc": "1925-04-21T03:21:29Z", "ms": -1410554311397.7954 }, "end": { "local": "1925-04-21T18:42:21-08:00", "utc": "1925-04-22T02:42:21Z", "ms": -1410470258504.765 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1925-04-20T19:21:29-08:00", "utc": "1925-04-21T03:21:29Z", "ms": -1410554311397.7954 }, "end": { "local": "1925-04-21T18:42:21-08:00", "utc": "1925-04-22T02:42:21Z", "ms": -1410470258504.765 } }, "kaala": "nishita", "days": [ { "local_date": "1925-04-20", "window": { "start": { "local": "1925-04-20T23:22:36-08:00", "utc": "1925-04-21T07:22:36Z", "ms": -1410539843530.1917 }, "end": { "local": "1925-04-21T00:10:36-08:00", "utc": "1925-04-21T08:10:36Z", "ms": -1410536963530.1917 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-04-21", "window": { "start": { "local": "1925-04-21T23:22:24-08:00", "utc": "1925-04-22T07:22:24Z", "ms": -1410453455696.758 }, "end": { "local": "1925-04-22T00:10:24-08:00", "utc": "1925-04-22T08:10:24Z", "ms": -1410450575696.758 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:21 on Mon 20 Apr to 18:42 on Tue 21 Apr.", "fact": "1925-04-21T03:21:29Z → 1925-04-22T02:42:21Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 20th, 23:22–00:10 on the 21st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14468 s" }, { "step": "ruling", "text": "Śivarātri, Tijuana, 1925: Monday 20 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": "1925-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-04-20", "confidence": "determinate" } ], "quote": "In Tijuana, Śivarātri 1925 falls on Monday 20 April. Caturdaśī runs from 19:21 on Mon 20 Apr to 18:42 on Tue 21 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/tijuana/festivals/1925/shivaratri?on=1925-04-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29839, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1925-04-24T19:29:01-08:00", "utc": "1925-04-25T03:29:01Z", "ms": -1410208258710.648 }, "end": { "local": "1925-04-25T20:49:36-08:00", "utc": "1925-04-26T04:49:36Z", "ms": -1410117024320.0967 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1925-04-24T19:29:01-08:00", "utc": "1925-04-25T03:29:01Z", "ms": -1410208258710.648 }, "end": { "local": "1925-04-25T20:49:36-08:00", "utc": "1925-04-26T04:49:36Z", "ms": -1410117024320.0967 } }, "kaala": "purvahna", "days": [ { "local_date": "1925-04-25", "window": { "start": { "local": "1925-04-25T05:07:58-08:00", "utc": "1925-04-25T13:07:58Z", "ms": -1410173521629.1821 }, "end": { "local": "1925-04-25T09:33:28-08:00", "utc": "1925-04-25T17:33:28Z", "ms": -1410157592474.2163 } }, "covered_min": 265, "window_min": 265, "qualifies": true }, { "local_date": "1925-04-26", "window": { "start": { "local": "1925-04-26T05:06:55-08:00", "utc": "1925-04-26T13:06:55Z", "ms": -1410087185410.2197 }, "end": { "local": "1925-04-26T09:32:59-08:00", "utc": "1925-04-26T17:32:59Z", "ms": -1410071220593.8557 } }, "covered_min": 0, "window_min": 266, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:29 on Fri 24 Apr to 20:50 on Sat 25 Apr.", "fact": "1925-04-25T03:29:01Z → 1925-04-26T04:49:36Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:08–09:33 on the 25th, 05:07–09:33 on the 26th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 265 of 265 minutes on the 25th and 0 of 266 on the 26th.", "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 29839 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Tijuana, 1925: Saturday 25 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": "1925-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-04-25", "confidence": "determinate" } ], "quote": "In Tijuana, Akṣaya Tṛtīyā 1925 falls on Saturday 25 April. Tṛtīyā runs from 19:29 on Fri 24 Apr to 20:50 on Sat 25 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1235, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1925-04-24T19:29:01-08:00", "utc": "1925-04-25T03:29:01Z", "ms": -1410208258710.648 }, "end": { "local": "1925-04-25T20:49:36-08:00", "utc": "1925-04-26T04:49:36Z", "ms": -1410117024320.0967 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1925-04-24T19:29:01-08:00", "utc": "1925-04-25T03:29:01Z", "ms": -1410208258710.648 }, "end": { "local": "1925-04-25T20:49:36-08:00", "utc": "1925-04-26T04:49:36Z", "ms": -1410117024320.0967 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-04-24", "window": { "start": { "local": "1925-04-24T18:23:43-08:00", "utc": "1925-04-25T02:23:43Z", "ms": -1410212177305.3596 }, "end": { "local": "1925-04-24T19:49:37-08:00", "utc": "1925-04-25T03:49:37Z", "ms": -1410207023215.2026 } }, "covered_min": 21, "window_min": 86, "qualifies": true }, { "local_date": "1925-04-25", "window": { "start": { "local": "1925-04-25T18:24:26-08:00", "utc": "1925-04-26T02:24:26Z", "ms": -1410125734164.285 }, "end": { "local": "1925-04-25T19:50:06-08:00", "utc": "1925-04-26T03:50:06Z", "ms": -1410120594330.4097 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:29 on Fri 24 Apr to 20:50 on Sat 25 Apr.", "fact": "1925-04-25T03:29:01Z → 1925-04-26T04:49:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–19:50 on the 24th, 18:24–19:50 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 21 of 86 minutes on the 24th and 86 of 86 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both evenings qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1235 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Tijuana, 1925: Saturday 25 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": "1925-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-04-25", "confidence": "determinate" } ], "quote": "In Tijuana, Paraśurāma Jayantī 1925 falls on Saturday 25 April. Tṛtīyā runs from 19:29 on Fri 24 Apr to 20:50 on Sat 25 Apr and covers all of pradoṣa that evening. It also reaches the previous evening for 21 minutes; by the rule the second evening is taken.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-04-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31164, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-04-25T20:49:36-08:00", "utc": "1925-04-26T04:49:36Z", "ms": -1410117024320.0967 }, "end": { "local": "1925-04-26T22:42:00-08:00", "utc": "1925-04-27T06:42:00Z", "ms": -1410023879712.0918 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1925-04-25T20:49:36-08:00", "utc": "1925-04-26T04:49:36Z", "ms": -1410117024320.0967 }, "end": { "local": "1925-04-26T22:42:00-08:00", "utc": "1925-04-27T06:42:00Z", "ms": -1410023879712.0918 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-04-25", "window": { "start": { "local": "1925-04-25T11:22:12-08:00", "utc": "1925-04-25T19:22:12Z", "ms": -1410151067896.7334 }, "end": { "local": "1925-04-25T12:10:12-08:00", "utc": "1925-04-25T20:10:12Z", "ms": -1410148187896.7334 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-04-26", "window": { "start": { "local": "1925-04-26T11:22:02-08:00", "utc": "1925-04-26T19:22:02Z", "ms": -1410064678185.6738 }, "end": { "local": "1925-04-26T12:10:02-08:00", "utc": "1925-04-26T20:10:02Z", "ms": -1410061798185.6738 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:50 on Sat 25 Apr to 22:42 on Sun 26 Apr.", "fact": "1925-04-26T04:49:36Z → 1925-04-27T06:42:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 25th, 11:22–12:10 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 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31164 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Tijuana, 1925: Sunday 26 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": "1925-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-04-26", "confidence": "determinate" } ], "quote": "In Tijuana, Vināyaka Caturthī 1925 falls on Sunday 26 April. Caturthī runs from 20:50 on Sat 25 Apr to 22:42 on Sun 26 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-04-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37297, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1925-04-26T22:42:00-08:00", "utc": "1925-04-27T06:42:00Z", "ms": -1410023879712.0918 }, "end": { "local": "1925-04-28T01:00:06-08:00", "utc": "1925-04-28T09:00:06Z", "ms": -1409929194329.066 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1925-04-26T22:42:00-08:00", "utc": "1925-04-27T06:42:00Z", "ms": -1410023879712.0918 }, "end": { "local": "1925-04-28T01:00:06-08:00", "utc": "1925-04-28T09:00:06Z", "ms": -1409929194329.066 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-04-27", "window": { "start": { "local": "1925-04-27T11:21:52-08:00", "utc": "1925-04-27T19:21:52Z", "ms": -1409978287997.542 }, "end": { "local": "1925-04-27T12:09:52-08:00", "utc": "1925-04-27T20:09:52Z", "ms": -1409975407997.542 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-04-28", "window": { "start": { "local": "1925-04-28T11:21:43-08:00", "utc": "1925-04-28T19:21:43Z", "ms": -1409891897324.7375 }, "end": { "local": "1925-04-28T12:09:43-08:00", "utc": "1925-04-28T20:09:43Z", "ms": -1409889017324.7375 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 22:42 on Sun 26 Apr to 01:00 on Tue 28 Apr.", "fact": "1925-04-27T06:42:00Z → 1925-04-28T09:00:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 27th, 11:22–12:10 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37297 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Tijuana, 1925: Monday 27 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": "1925-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-04-27", "confidence": "determinate" } ], "quote": "In Tijuana, Śaṅkara Jayantī 1925 falls on Monday 27 April. Pañcamī runs from 22:42 on Sun 26 Apr to 01:00 on Tue 28 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18850, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1925-04-29T03:33:15-08:00", "utc": "1925-04-29T11:33:15Z", "ms": -1409833605079.585 }, "end": { "local": "1925-04-30T06:07:15-08:00", "utc": "1925-04-30T14:07:15Z", "ms": -1409737964666.3945 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1925-04-29T03:33:15-08:00", "utc": "1925-04-29T11:33:15Z", "ms": -1409833605079.585 }, "end": { "local": "1925-04-30T06:07:15-08:00", "utc": "1925-04-30T14:07:15Z", "ms": -1409737964666.3945 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-04-29", "window": { "start": { "local": "1925-04-29T11:21:34-08:00", "utc": "1925-04-29T19:21:34Z", "ms": -1409805506159.7412 }, "end": { "local": "1925-04-29T12:09:34-08:00", "utc": "1925-04-29T20:09:34Z", "ms": -1409802626159.7412 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-04-30", "window": { "start": { "local": "1925-04-30T11:21:26-08:00", "utc": "1925-04-30T19:21:26Z", "ms": -1409719114495.1401 }, "end": { "local": "1925-04-30T12:09:26-08:00", "utc": "1925-04-30T20:09:26Z", "ms": -1409716234495.1401 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 03:33 on Wed 29 Apr to 06:07 on Thu 30 Apr.", "fact": "1925-04-29T11:33:15Z → 1925-04-30T14:07:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 29th, 11:21–12:09 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 18850 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Tijuana, 1925: Wednesday 29 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": "1925-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-04-29", "confidence": "determinate" } ], "quote": "In Tijuana, Gaṅgotpatti (Ganga Saptami) 1925 falls on Wednesday 29 April. Saptamī runs from 03:33 on Wed 29 Apr to 06:07 on Thu 30 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ekadashi?on=1925-05-04", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23029, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-05-03T11:23:43-08:00", "utc": "1925-05-03T19:23:43Z", "ms": -1409459776648.3787 }, "end": { "local": "1925-05-04T11:44:15-08:00", "utc": "1925-05-04T19:44:15Z", "ms": -1409372145372.4006 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1925-05-03T11:23:43-08:00", "utc": "1925-05-03T19:23:43Z", "ms": -1409459776648.3787 }, "end": { "local": "1925-05-04T11:44:15-08:00", "utc": "1925-05-04T19:44:15Z", "ms": -1409372145372.4006 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-05-03", "window": { "start": { "local": "1925-05-03T04:59:55-08:00", "utc": "1925-05-03T12:59:55Z", "ms": -1409482805250.311 }, "end": { "local": "1925-05-03T04:59:55-08:00", "utc": "1925-05-03T12:59:55Z", "ms": -1409482805250.311 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-05-04", "window": { "start": { "local": "1925-05-04T04:58:59-08:00", "utc": "1925-05-04T12:58:59Z", "ms": -1409396461121.4297 }, "end": { "local": "1925-05-04T04:58:59-08:00", "utc": "1925-05-04T12:58:59Z", "ms": -1409396461121.4297 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:24 on Sun 3 May to 11:44 on Mon 4 May.", "fact": "1925-05-03T19:23:43Z → 1925-05-04T19:44:15Z" }, { "step": "kaala", "text": "Sunrise is at 05:00 on the 3rd and 04:59 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23029 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Tijuana, 1925: Monday 4 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": "1925-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-05-04", "confidence": "determinate" } ], "quote": "In Tijuana, Mohinī Ekādaśī 1925 falls on Monday 4 May. Ekādaśī runs from 11:24 on Sun 3 May to 11:44 on Mon 4 May and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-05-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 305, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1925-05-04T11:44:15-08:00", "utc": "1925-05-04T19:44:15Z", "ms": -1409372145372.4006 }, "end": { "local": "1925-05-05T11:15:47-08:00", "utc": "1925-05-05T19:15:47Z", "ms": -1409287453382.3518 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1925-05-04T11:44:15-08:00", "utc": "1925-05-04T19:44:15Z", "ms": -1409372145372.4006 }, "end": { "local": "1925-05-05T11:15:47-08:00", "utc": "1925-05-05T19:15:47Z", "ms": -1409287453382.3518 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-05-04", "window": { "start": { "local": "1925-05-04T11:20:57-08:00", "utc": "1925-05-04T19:20:57Z", "ms": -1409373542695.6755 }, "end": { "local": "1925-05-04T12:08:57-08:00", "utc": "1925-05-04T20:08:57Z", "ms": -1409370662695.6755 } }, "covered_min": 25, "window_min": 48, "qualifies": true }, { "local_date": "1925-05-05", "window": { "start": { "local": "1925-05-05T11:20:52-08:00", "utc": "1925-05-05T19:20:52Z", "ms": -1409287148424.379 }, "end": { "local": "1925-05-05T12:08:52-08:00", "utc": "1925-05-05T20:08:52Z", "ms": -1409284268424.379 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 11:44 on Mon 4 May to 11:16 on Tue 5 May.", "fact": "1925-05-04T19:44:15Z → 1925-05-05T19:15:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 4th, 11:21–12:09 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 25 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 305 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Tijuana, 1925: Monday 4 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-05-04", "confidence": "determinate" } ], "quote": "In Tijuana, Paraśurāma Dvādaśī 1925 falls on Monday 4 May. Dvādaśī runs from 11:44 on Mon 4 May to 11:16 on Tue 5 May and covers 25 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 305, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1925-05-04T11:44:15-08:00", "utc": "1925-05-04T19:44:15Z", "ms": -1409372145372.4006 }, "end": { "local": "1925-05-05T11:15:47-08:00", "utc": "1925-05-05T19:15:47Z", "ms": -1409287453382.3518 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1925-05-04T11:44:15-08:00", "utc": "1925-05-04T19:44:15Z", "ms": -1409372145372.4006 }, "end": { "local": "1925-05-05T11:15:47-08:00", "utc": "1925-05-05T19:15:47Z", "ms": -1409287453382.3518 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-05-04", "window": { "start": { "local": "1925-05-04T11:20:57-08:00", "utc": "1925-05-04T19:20:57Z", "ms": -1409373542695.6755 }, "end": { "local": "1925-05-04T12:08:57-08:00", "utc": "1925-05-04T20:08:57Z", "ms": -1409370662695.6755 } }, "covered_min": 25, "window_min": 48, "qualifies": true }, { "local_date": "1925-05-05", "window": { "start": { "local": "1925-05-05T11:20:52-08:00", "utc": "1925-05-05T19:20:52Z", "ms": -1409287148424.379 }, "end": { "local": "1925-05-05T12:08:52-08:00", "utc": "1925-05-05T20:08:52Z", "ms": -1409284268424.379 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 11:44 on Mon 4 May to 11:16 on Tue 5 May.", "fact": "1925-05-04T19:44:15Z → 1925-05-05T19:15:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 4th, 11:21–12:09 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 25 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 305 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Tijuana, 1925: Monday 4 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-05-04", "confidence": "determinate" } ], "quote": "In Tijuana, Rukmiṇī Dvādaśī 1925 falls on Monday 4 May. Dvādaśī runs from 11:44 on Mon 4 May to 11:16 on Tue 5 May and covers 25 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/pradosha-vrata?on=1925-05-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26152, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-05-05T11:15:47-08:00", "utc": "1925-05-05T19:15:47Z", "ms": -1409287453382.3518 }, "end": { "local": "1925-05-06T10:01:24-08:00", "utc": "1925-05-06T18:01:24Z", "ms": -1409205515937.5195 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1925-05-05T11:15:47-08:00", "utc": "1925-05-05T19:15:47Z", "ms": -1409287453382.3518 }, "end": { "local": "1925-05-06T10:01:24-08:00", "utc": "1925-05-06T18:01:24Z", "ms": -1409205515937.5195 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-05-05", "window": { "start": { "local": "1925-05-05T18:31:39-08:00", "utc": "1925-05-06T02:31:39Z", "ms": -1409261300959.3381 }, "end": { "local": "1925-05-05T19:55:03-08:00", "utc": "1925-05-06T03:55:03Z", "ms": -1409256296768.5413 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "1925-05-06", "window": { "start": { "local": "1925-05-06T18:32:22-08:00", "utc": "1925-05-07T02:32:22Z", "ms": -1409174857690.9673 }, "end": { "local": "1925-05-06T19:55:34-08:00", "utc": "1925-05-07T03:55:34Z", "ms": -1409169866267.1362 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:16 on Tue 5 May to 10:01 on Wed 6 May.", "fact": "1925-05-05T19:15:47Z → 1925-05-06T18:01:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:32–19:55 on the 5th, 18:32–19:56 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 83 of 83 minutes on the 5th and 0 of 83 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26152 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Tijuana, 1925: Tuesday 5 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": "1925-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-05-05", "confidence": "determinate" } ], "quote": "In Tijuana, Śukla Pradoṣa Vrata 1925 falls on Tuesday 5 May. Trayodaśī runs from 11:16 on Tue 5 May to 10:01 on Wed 6 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-05-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-05-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30658, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1925-05-06T10:01:24-08:00", "utc": "1925-05-06T18:01:24Z", "ms": -1409205515937.5195 }, "end": { "local": "1925-05-07T08:07:29-08:00", "utc": "1925-05-07T16:07:29Z", "ms": -1409125951064.9465 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1925-05-06T10:01:24-08:00", "utc": "1925-05-06T18:01:24Z", "ms": -1409205515937.5195 }, "end": { "local": "1925-05-07T08:07:29-08:00", "utc": "1925-05-07T16:07:29Z", "ms": -1409125951064.9465 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-05-06", "window": { "start": { "local": "1925-05-06T18:32:22-08:00", "utc": "1925-05-07T02:32:22Z", "ms": -1409174857690.9673 }, "end": { "local": "1925-05-06T19:55:34-08:00", "utc": "1925-05-07T03:55:34Z", "ms": -1409169866267.1362 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "1925-05-07", "window": { "start": { "local": "1925-05-07T18:33:06-08:00", "utc": "1925-05-08T02:33:06Z", "ms": -1409088414475.4436 }, "end": { "local": "1925-05-07T19:56:04-08:00", "utc": "1925-05-08T03:56:04Z", "ms": -1409083435654.0532 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:01 on Wed 6 May to 08:07 on Thu 7 May.", "fact": "1925-05-06T18:01:24Z → 1925-05-07T16:07:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:32–19:56 on the 6th, 18:33–19:56 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 83 of 83 minutes on the 6th and 0 of 83 on the 7th.", "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 30658 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Tijuana, 1925: Wednesday 6 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": "1925-05-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-05-06", "confidence": "determinate" } ], "quote": "In Tijuana, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1925 falls on Wednesday 6 May. Caturdaśī runs from 10:01 on Wed 6 May to 08:07 on Thu 7 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11593, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1925-05-07T08:07:29-08:00", "utc": "1925-05-07T16:07:29Z", "ms": -1409125951064.9465 }, "end": { "local": "1925-05-08T05:42:27-08:00", "utc": "1925-05-08T13:42:27Z", "ms": -1409048252716.0916 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1925-05-07T08:07:29-08:00", "utc": "1925-05-07T16:07:29Z", "ms": -1409125951064.9465 }, "end": { "local": "1925-05-08T05:42:27-08:00", "utc": "1925-05-08T13:42:27Z", "ms": -1409048252716.0916 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-05-07", "window": { "start": { "local": "1925-05-07T11:20:42-08:00", "utc": "1925-05-07T19:20:42Z", "ms": -1409114358243.8386 }, "end": { "local": "1925-05-07T12:08:42-08:00", "utc": "1925-05-07T20:08:42Z", "ms": -1409111478243.8386 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-05-08", "window": { "start": { "local": "1925-05-08T11:20:38-08:00", "utc": "1925-05-08T19:20:38Z", "ms": -1409027962319.2334 }, "end": { "local": "1925-05-08T12:08:38-08:00", "utc": "1925-05-08T20:08:38Z", "ms": -1409025082319.2334 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:07 on Thu 7 May to 05:42 on Fri 8 May.", "fact": "1925-05-07T16:07:29Z → 1925-05-08T13:42:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 7th, 11:21–12:09 on the 8th.", "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 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11593 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Tijuana, 1925: Thursday 7 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": "1925-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-05-07", "confidence": "determinate" } ], "quote": "In Tijuana, Buddha Pūrṇimā 1925 falls on Thursday 7 May. Pūrṇimā runs from 08:07 on Thu 7 May to 05:42 on Fri 8 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11593, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1925-05-07T08:07:29-08:00", "utc": "1925-05-07T16:07:29Z", "ms": -1409125951064.9465 }, "end": { "local": "1925-05-08T05:42:27-08:00", "utc": "1925-05-08T13:42:27Z", "ms": -1409048252716.0916 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1925-05-07T08:07:29-08:00", "utc": "1925-05-07T16:07:29Z", "ms": -1409125951064.9465 }, "end": { "local": "1925-05-08T05:42:27-08:00", "utc": "1925-05-08T13:42:27Z", "ms": -1409048252716.0916 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-05-07", "window": { "start": { "local": "1925-05-07T11:20:42-08:00", "utc": "1925-05-07T19:20:42Z", "ms": -1409114358243.8386 }, "end": { "local": "1925-05-07T12:08:42-08:00", "utc": "1925-05-07T20:08:42Z", "ms": -1409111478243.8386 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-05-08", "window": { "start": { "local": "1925-05-08T11:20:38-08:00", "utc": "1925-05-08T19:20:38Z", "ms": -1409027962319.2334 }, "end": { "local": "1925-05-08T12:08:38-08:00", "utc": "1925-05-08T20:08:38Z", "ms": -1409025082319.2334 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:07 on Thu 7 May to 05:42 on Fri 8 May.", "fact": "1925-05-07T16:07:29Z → 1925-05-08T13:42:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 7th, 11:21–12:09 on the 8th.", "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 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11593 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Tijuana, 1925: Thursday 7 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": "1925-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-05-07", "confidence": "determinate" } ], "quote": "In Tijuana, Sampat Gaurī Vrata 1925 falls on Thursday 7 May. Pūrṇimā runs from 08:07 on Thu 7 May to 05:42 on Fri 8 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/sankashta-chaturthi?on=1925-05-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1129, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-05-10T20:55:18-08:00", "utc": "1925-05-11T04:55:18Z", "ms": -1408820682054.5227 }, "end": { "local": "1925-05-11T17:58:48-08:00", "utc": "1925-05-12T01:58:48Z", "ms": -1408744871589.0864 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1925-05-10T20:55:18-08:00", "utc": "1925-05-11T04:55:18Z", "ms": -1408820682054.5227 }, "end": { "local": "1925-05-11T17:58:48-08:00", "utc": "1925-05-12T01:58:48Z", "ms": -1408744871589.0864 } }, "kaala": "moonrise", "days": [ { "local_date": "1925-05-10", "window": { "start": { "local": "1925-05-10T21:14:07-08:00", "utc": "1925-05-11T05:14:07Z", "ms": -1408819553179.3909 }, "end": { "local": "1925-05-10T21:14:07-08:00", "utc": "1925-05-11T05:14:07Z", "ms": -1408819553179.3909 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-05-11", "window": { "start": { "local": "1925-05-11T22:17:15-08:00", "utc": "1925-05-12T06:17:15Z", "ms": -1408729365041.9795 }, "end": { "local": "1925-05-11T22:17:15-08:00", "utc": "1925-05-12T06:17:15Z", "ms": -1408729365041.9795 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:55 on Sun 10 May to 17:59 on Mon 11 May.", "fact": "1925-05-11T04:55:18Z → 1925-05-12T01:58:48Z" }, { "step": "kaala", "text": "Moonrise is at 21:14 on the 10th and 22:17 on the 11th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 10th and is not on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1129 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Tijuana, 1925: Sunday 10 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": "1925-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-05-10", "confidence": "determinate" } ], "quote": "In Tijuana, Saṅkaṣṭa Caturthī 1925 falls on Sunday 10 May. Caturthī runs from 20:55 on Sun 10 May to 17:59 on Mon 11 May and is current at moonrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/sankashta-chaturthi?on=1925-05-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/ekadashi?on=1925-05-18", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4580, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-05-17T06:38:36-08:00", "utc": "1925-05-17T14:38:36Z", "ms": -1408267283683.4617 }, "end": { "local": "1925-05-18T06:04:24-08:00", "utc": "1925-05-18T14:04:24Z", "ms": -1408182936408.798 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1925-05-17T06:38:36-08:00", "utc": "1925-05-17T14:38:36Z", "ms": -1408267283683.4617 }, "end": { "local": "1925-05-18T06:04:24-08:00", "utc": "1925-05-18T14:04:24Z", "ms": -1408182936408.798 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-05-17", "window": { "start": { "local": "1925-05-17T04:48:42-08:00", "utc": "1925-05-17T12:48:42Z", "ms": -1408273877820.6633 }, "end": { "local": "1925-05-17T04:48:42-08:00", "utc": "1925-05-17T12:48:42Z", "ms": -1408273877820.6633 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-05-18", "window": { "start": { "local": "1925-05-18T04:48:04-08:00", "utc": "1925-05-18T12:48:04Z", "ms": -1408187516012.659 }, "end": { "local": "1925-05-18T04:48:04-08:00", "utc": "1925-05-18T12:48:04Z", "ms": -1408187516012.659 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:39 on Sun 17 May to 06:04 on Mon 18 May.", "fact": "1925-05-17T14:38:36Z → 1925-05-18T14:04:24Z" }, { "step": "kaala", "text": "Sunrise is at 04:49 on the 17th and 04:48 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4580 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Tijuana, 1925: Monday 18 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": "1925-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-05-18", "confidence": "determinate" } ], "quote": "In Tijuana, Aparā Ekādaśī 1925 falls on Monday 18 May. Ekādaśī runs from 06:39 on Sun 17 May to 06:04 on Mon 18 May and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-05-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/pradosha-vrata?on=1925-05-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-05-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35496, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-05-19T05:53:22-08:00", "utc": "1925-05-19T13:53:22Z", "ms": -1408097197630.239 }, "end": { "local": "1925-05-20T06:06:12-08:00", "utc": "1925-05-20T14:06:12Z", "ms": -1408010027775.843 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1925-05-19T05:53:22-08:00", "utc": "1925-05-19T13:53:22Z", "ms": -1408097197630.239 }, "end": { "local": "1925-05-20T06:06:12-08:00", "utc": "1925-05-20T14:06:12Z", "ms": -1408010027775.843 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-05-18", "window": { "start": { "local": "1925-05-18T18:40:53-08:00", "utc": "1925-05-19T02:40:53Z", "ms": -1408137546616.436 }, "end": { "local": "1925-05-18T20:01:46-08:00", "utc": "1925-05-19T04:01:46Z", "ms": -1408132694106.3787 } }, "covered_min": 0, "window_min": 81, "qualifies": false }, { "local_date": "1925-05-19", "window": { "start": { "local": "1925-05-19T18:41:35-08:00", "utc": "1925-05-20T02:41:35Z", "ms": -1408051105302.6038 }, "end": { "local": "1925-05-19T20:02:17-08:00", "utc": "1925-05-20T04:02:17Z", "ms": -1408046263014.6501 } }, "covered_min": 81, "window_min": 81, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:53 on Tue 19 May to 06:06 on Wed 20 May.", "fact": "1925-05-19T13:53:22Z → 1925-05-20T14:06:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:41–20:02 on the 18th, 18:42–20:02 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 81 minutes on the 18th and 81 of 81 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 35496 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 1925: Tuesday 19 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": "1925-05-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-05-19", "confidence": "determinate" } ], "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 1925 falls on Tuesday 19 May. Trayodaśī runs from 05:53 on Tue 19 May to 06:06 on Wed 20 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-05-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/shivaratri?on=1925-05-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21479, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1925-05-20T06:06:12-08:00", "utc": "1925-05-20T14:06:12Z", "ms": -1408010027775.843 }, "end": { "local": "1925-05-21T06:44:02-08:00", "utc": "1925-05-21T14:44:02Z", "ms": -1407921358228.648 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1925-05-20T06:06:12-08:00", "utc": "1925-05-20T14:06:12Z", "ms": -1408010027775.843 }, "end": { "local": "1925-05-21T06:44:02-08:00", "utc": "1925-05-21T14:44:02Z", "ms": -1407921358228.648 } }, "kaala": "nishita", "days": [ { "local_date": "1925-05-19", "window": { "start": { "local": "1925-05-19T23:20:13-08:00", "utc": "1925-05-20T07:20:13Z", "ms": -1408034386722.7778 }, "end": { "local": "1925-05-20T00:08:13-08:00", "utc": "1925-05-20T08:08:13Z", "ms": -1408031506722.7778 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-05-20", "window": { "start": { "local": "1925-05-20T23:20:17-08:00", "utc": "1925-05-21T07:20:17Z", "ms": -1407947983183.5112 }, "end": { "local": "1925-05-21T00:08:17-08:00", "utc": "1925-05-21T08:08:17Z", "ms": -1407945103183.5112 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:06 on Wed 20 May to 06:44 on Thu 21 May.", "fact": "1925-05-20T14:06:12Z → 1925-05-21T14:44:02Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:20–00:08 on the 19th, 23:20–00:08 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 21479 s" }, { "step": "ruling", "text": "Śivarātri, Tijuana, 1925: Wednesday 20 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": "1925-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-05-20", "confidence": "determinate" } ], "quote": "In Tijuana, Śivarātri 1925 falls on Wednesday 20 May. Caturdaśī runs from 06:06 on Wed 20 May to 06:44 on Thu 21 May and covers all of niśītha that night.", "cite": "https://ahargana.org/tijuana/festivals/1925/shivaratri?on=1925-05-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 345, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1925-05-24T11:15:05-08:00", "utc": "1925-05-24T19:15:05Z", "ms": -1407645894723.683 }, "end": { "local": "1925-05-25T13:33:12-08:00", "utc": "1925-05-25T21:33:12Z", "ms": -1407551208369.261 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1925-05-24T11:15:05-08:00", "utc": "1925-05-24T19:15:05Z", "ms": -1407645894723.683 }, "end": { "local": "1925-05-25T13:33:12-08:00", "utc": "1925-05-25T21:33:12Z", "ms": -1407551208369.261 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-05-24", "window": { "start": { "local": "1925-05-24T11:20:50-08:00", "utc": "1925-05-24T19:20:50Z", "ms": -1407645549641.9062 }, "end": { "local": "1925-05-24T12:08:50-08:00", "utc": "1925-05-24T20:08:50Z", "ms": -1407642669641.9062 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-05-25", "window": { "start": { "local": "1925-05-25T11:20:56-08:00", "utc": "1925-05-25T19:20:56Z", "ms": -1407559144232.0613 }, "end": { "local": "1925-05-25T12:08:56-08:00", "utc": "1925-05-25T20:08:56Z", "ms": -1407556264232.0613 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 11:15 on Sun 24 May to 13:33 on Mon 25 May.", "fact": "1925-05-24T19:15:05Z → 1925-05-25T21:33:12Z" }, { "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": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 345 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Tijuana, 1925: Sunday 24 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": "1925-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-05-24", "confidence": "determinate" } ], "quote": "In Tijuana, Rambhā Tṛtīyā 1925 falls on Sunday 24 May. Tṛtīyā runs from 11:15 on Sun 24 May to 13:33 on Mon 25 May 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/tijuana/festivals/1925/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": "/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-05-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5056, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-05-25T13:33:12-08:00", "utc": "1925-05-25T21:33:12Z", "ms": -1407551208369.261 }, "end": { "local": "1925-05-26T16:05:58-08:00", "utc": "1925-05-27T00:05:58Z", "ms": -1407455642009.2896 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1925-05-25T13:33:12-08:00", "utc": "1925-05-25T21:33:12Z", "ms": -1407551208369.261 }, "end": { "local": "1925-05-26T16:05:58-08:00", "utc": "1925-05-27T00:05:58Z", "ms": -1407455642009.2896 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-05-25", "window": { "start": { "local": "1925-05-25T11:20:56-08:00", "utc": "1925-05-25T19:20:56Z", "ms": -1407559144232.0613 }, "end": { "local": "1925-05-25T12:08:56-08:00", "utc": "1925-05-25T20:08:56Z", "ms": -1407556264232.0613 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-05-26", "window": { "start": { "local": "1925-05-26T11:21:02-08:00", "utc": "1925-05-26T19:21:02Z", "ms": -1407472738343.568 }, "end": { "local": "1925-05-26T12:09:02-08:00", "utc": "1925-05-26T20:09:02Z", "ms": -1407469858343.568 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:33 on Mon 25 May to 16:06 on Tue 26 May.", "fact": "1925-05-25T21:33:12Z → 1925-05-27T00:05:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 25th, 11:21–12:09 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 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5056 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Tijuana, 1925: Tuesday 26 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": "1925-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-05-26", "confidence": "determinate" } ], "quote": "In Tijuana, Vināyaka Caturthī 1925 falls on Tuesday 26 May. Caturthī runs from 13:33 on Mon 25 May to 16:06 on Tue 26 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-05-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-05-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23621, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1925-05-27T18:42:49-08:00", "utc": "1925-05-28T02:42:49Z", "ms": -1407359831048.6316 }, "end": { "local": "1925-05-28T21:10:31-08:00", "utc": "1925-05-29T05:10:31Z", "ms": -1407264569277.3997 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1925-05-27T18:42:49-08:00", "utc": "1925-05-28T02:42:49Z", "ms": -1407359831048.6316 }, "end": { "local": "1925-05-28T21:10:31-08:00", "utc": "1925-05-29T05:10:31Z", "ms": -1407264569277.3997 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-05-27", "window": { "start": { "local": "1925-05-27T11:21:08-08:00", "utc": "1925-05-27T19:21:08Z", "ms": -1407386331990.5762 }, "end": { "local": "1925-05-27T12:09:08-08:00", "utc": "1925-05-27T20:09:08Z", "ms": -1407383451990.5762 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-05-28", "window": { "start": { "local": "1925-05-28T11:21:15-08:00", "utc": "1925-05-28T19:21:15Z", "ms": -1407299925187.5747 }, "end": { "local": "1925-05-28T12:09:15-08:00", "utc": "1925-05-28T20:09:15Z", "ms": -1407297045187.5747 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 18:43 on Wed 27 May to 21:11 on Thu 28 May.", "fact": "1925-05-28T02:42:49Z → 1925-05-29T05:10:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 27th, 11:21–12:09 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23621 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Tijuana, 1925: Thursday 28 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": "1925-05-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-05-28", "confidence": "determinate" } ], "quote": "In Tijuana, Araṇya Gaurī Vrata 1925 falls on Thursday 28 May. Ṣaṣṭhī runs from 18:43 on Wed 27 May to 21:11 on Thu 28 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-05-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23621, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1925-05-27T18:42:49-08:00", "utc": "1925-05-28T02:42:49Z", "ms": -1407359831048.6316 }, "end": { "local": "1925-05-28T21:10:31-08:00", "utc": "1925-05-29T05:10:31Z", "ms": -1407264569277.3997 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1925-05-27T18:42:49-08:00", "utc": "1925-05-28T02:42:49Z", "ms": -1407359831048.6316 }, "end": { "local": "1925-05-28T21:10:31-08:00", "utc": "1925-05-29T05:10:31Z", "ms": -1407264569277.3997 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-05-27", "window": { "start": { "local": "1925-05-27T11:21:08-08:00", "utc": "1925-05-27T19:21:08Z", "ms": -1407386331990.5762 }, "end": { "local": "1925-05-27T12:09:08-08:00", "utc": "1925-05-27T20:09:08Z", "ms": -1407383451990.5762 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-05-28", "window": { "start": { "local": "1925-05-28T11:21:15-08:00", "utc": "1925-05-28T19:21:15Z", "ms": -1407299925187.5747 }, "end": { "local": "1925-05-28T12:09:15-08:00", "utc": "1925-05-28T20:09:15Z", "ms": -1407297045187.5747 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 18:43 on Wed 27 May to 21:11 on Thu 28 May.", "fact": "1925-05-28T02:42:49Z → 1925-05-29T05:10:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 27th, 11:21–12:09 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23621 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Tijuana, 1925: Thursday 28 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": "1925-05-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-05-28", "confidence": "determinate" } ], "quote": "In Tijuana, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1925 falls on Thursday 28 May. Ṣaṣṭhī runs from 18:43 on Wed 27 May to 21:11 on Thu 28 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ekadashi?on=1925-06-02", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12227, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-06-02T01:17:39-08:00", "utc": "1925-06-02T09:17:39Z", "ms": -1406904140860.6648 }, "end": { "local": "1925-06-03T00:18:33-08:00", "utc": "1925-06-03T08:18:33Z", "ms": -1406821286749.8262 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1925-06-02T01:17:39-08:00", "utc": "1925-06-02T09:17:39Z", "ms": -1406904140860.6648 }, "end": { "local": "1925-06-03T00:18:33-08:00", "utc": "1925-06-03T08:18:33Z", "ms": -1406821286749.8262 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-06-02", "window": { "start": { "local": "1925-06-02T04:41:26-08:00", "utc": "1925-06-02T12:41:26Z", "ms": -1406891913769.9463 }, "end": { "local": "1925-06-02T04:41:26-08:00", "utc": "1925-06-02T12:41:26Z", "ms": -1406891913769.9463 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-06-03", "window": { "start": { "local": "1925-06-03T04:41:12-08:00", "utc": "1925-06-03T12:41:12Z", "ms": -1406805528297.9172 }, "end": { "local": "1925-06-03T04:41:12-08:00", "utc": "1925-06-03T12:41:12Z", "ms": -1406805528297.9172 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:18 on Tue 2 Jun to 00:19 on Wed 3 Jun.", "fact": "1925-06-02T09:17:39Z → 1925-06-03T08:18:33Z" }, { "step": "kaala", "text": "Sunrise is at 04:41 on the 2nd and 04:41 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12227 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Tijuana, 1925: Tuesday 2 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": "1925-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-06-02", "confidence": "determinate" } ], "quote": "In Tijuana, Nirjalā Ekādaśī 1925 falls on Tuesday 2 June. Ekādaśī runs from 01:18 on Tue 2 Jun to 00:19 on Wed 3 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-06-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-06-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37330, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1925-06-03T00:18:33-08:00", "utc": "1925-06-03T08:18:33Z", "ms": -1406821286749.8262 }, "end": { "local": "1925-06-03T22:32:15-08:00", "utc": "1925-06-04T06:32:15Z", "ms": -1406741265344.807 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1925-06-03T00:18:33-08:00", "utc": "1925-06-03T08:18:33Z", "ms": -1406821286749.8262 }, "end": { "local": "1925-06-03T22:32:15-08:00", "utc": "1925-06-04T06:32:15Z", "ms": -1406741265344.807 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-06-02", "window": { "start": { "local": "1925-06-02T11:21:55-08:00", "utc": "1925-06-02T19:21:55Z", "ms": -1406867884945.8994 }, "end": { "local": "1925-06-02T12:09:55-08:00", "utc": "1925-06-02T20:09:55Z", "ms": -1406865004945.8994 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-06-03", "window": { "start": { "local": "1925-06-03T11:22:04-08:00", "utc": "1925-06-03T19:22:04Z", "ms": -1406781475757.7163 }, "end": { "local": "1925-06-03T12:10:04-08:00", "utc": "1925-06-03T20:10:04Z", "ms": -1406778595757.7163 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:19 on Wed 3 Jun to 22:32 on Wed 3 Jun.", "fact": "1925-06-03T08:18:33Z → 1925-06-04T06:32:15Z" }, { "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 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: purvaviddha → only-day · margin 37330 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Tijuana, 1925: Wednesday 3 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-rama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-06-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-06-03", "confidence": "determinate" } ], "quote": "In Tijuana, Śrī Rāma Dvādaśī 1925 falls on Wednesday 3 June. Dvādaśī runs from 00:19 on Wed 3 Jun to 22:32 on Wed 3 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/pradosha-vrata?on=1925-06-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-06-04", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 269, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-06-03T22:32:15-08:00", "utc": "1925-06-04T06:32:15Z", "ms": -1406741265344.807 }, "end": { "local": "1925-06-04T20:05:34-08:00", "utc": "1925-06-05T04:05:34Z", "ms": -1406663665552.5828 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1925-06-03T22:32:15-08:00", "utc": "1925-06-04T06:32:15Z", "ms": -1406741265344.807 }, "end": { "local": "1925-06-04T20:05:34-08:00", "utc": "1925-06-05T04:05:34Z", "ms": -1406663665552.5828 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-06-03", "window": { "start": { "local": "1925-06-03T18:50:57-08:00", "utc": "1925-06-04T02:50:57Z", "ms": -1406754543217.5156 }, "end": { "local": "1925-06-03T20:09:37-08:00", "utc": "1925-06-04T04:09:37Z", "ms": -1406749822962.6187 } }, "covered_min": 0, "window_min": 79, "qualifies": false }, { "local_date": "1925-06-04", "window": { "start": { "local": "1925-06-04T18:51:29-08:00", "utc": "1925-06-05T02:51:29Z", "ms": -1406668111141.8755 }, "end": { "local": "1925-06-04T20:10:03-08:00", "utc": "1925-06-05T04:10:03Z", "ms": -1406663396695.3022 } }, "covered_min": 74, "window_min": 79, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:32 on Wed 3 Jun to 20:06 on Thu 4 Jun.", "fact": "1925-06-04T06:32:15Z → 1925-06-05T04:05:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:10 on the 3rd, 18:51–20:10 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 79 minutes on the 3rd and 74 of 79 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 269 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Tijuana, 1925: Thursday 4 June.", "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": "1925-06-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-06-04", "confidence": "determinate" } ], "quote": "In Tijuana, Śukla Pradoṣa Vrata 1925 falls on Thursday 4 June. Trayodaśī runs from 22:32 on Wed 3 Jun to 20:06 on Thu 4 Jun and covers 74 of 79 minutes of pradoṣa that evening. It is 4 min 29 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-06-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6277, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1925-06-05T17:07:23-08:00", "utc": "1925-06-06T01:07:23Z", "ms": -1406587957142.6946 }, "end": { "local": "1925-06-06T13:47:33-08:00", "utc": "1925-06-06T21:47:33Z", "ms": -1406513546893.2366 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1925-06-05T17:07:23-08:00", "utc": "1925-06-06T01:07:23Z", "ms": -1406587957142.6946 }, "end": { "local": "1925-06-06T13:47:33-08:00", "utc": "1925-06-06T21:47:33Z", "ms": -1406513546893.2366 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-06-05", "window": { "start": { "local": "1925-06-05T18:52:00-08:00", "utc": "1925-06-06T02:52:00Z", "ms": -1406581679923.7544 }, "end": { "local": "1925-06-05T20:10:29-08:00", "utc": "1925-06-06T04:10:29Z", "ms": -1406576970968.3057 } }, "covered_min": 78, "window_min": 78, "qualifies": true }, { "local_date": "1925-06-06", "window": { "start": { "local": "1925-06-06T18:52:30-08:00", "utc": "1925-06-07T02:52:30Z", "ms": -1406495249590.8655 }, "end": { "local": "1925-06-06T20:10:54-08:00", "utc": "1925-06-07T04:10:54Z", "ms": -1406490545805.6814 } }, "covered_min": 0, "window_min": 78, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:07 on Fri 5 Jun to 13:48 on Sat 6 Jun.", "fact": "1925-06-06T01:07:23Z → 1925-06-06T21:47:33Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:10 on the 5th, 18:53–20:11 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 78 of 78 minutes on the 5th and 0 of 78 on the 6th.", "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 6277 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Tijuana, 1925: Friday 5 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": "1925-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-06-05", "confidence": "determinate" } ], "quote": "In Tijuana, Vaṭa Sāvitrī Vrata 1925 falls on Friday 5 June. Pūrṇimā runs from 17:07 on Fri 5 Jun to 13:48 on Sat 6 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/sankashta-chaturthi?on=1925-06-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7781, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-06-09T03:18:45-08:00", "utc": "1925-06-09T11:18:45Z", "ms": -1406292074996.6758 }, "end": { "local": "1925-06-10T00:10:06-08:00", "utc": "1925-06-10T08:10:06Z", "ms": -1406216993842.5151 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1925-06-09T03:18:45-08:00", "utc": "1925-06-09T11:18:45Z", "ms": -1406292074996.6758 }, "end": { "local": "1925-06-10T00:10:06-08:00", "utc": "1925-06-10T08:10:06Z", "ms": -1406216993842.5151 } }, "kaala": "moonrise", "days": [ { "local_date": "1925-06-08", "window": { "start": { "local": "1925-06-08T21:04:20-08:00", "utc": "1925-06-09T05:04:20Z", "ms": -1406314540031.5818 }, "end": { "local": "1925-06-08T21:04:20-08:00", "utc": "1925-06-09T05:04:20Z", "ms": -1406314540031.5818 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-06-09", "window": { "start": { "local": "1925-06-09T22:00:25-08:00", "utc": "1925-06-10T06:00:25Z", "ms": -1406224775162.7634 }, "end": { "local": "1925-06-09T22:00:25-08:00", "utc": "1925-06-10T06:00:25Z", "ms": -1406224775162.7634 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:19 on Tue 9 Jun to 00:10 on Wed 10 Jun.", "fact": "1925-06-09T11:18:45Z → 1925-06-10T08:10:06Z" }, { "step": "kaala", "text": "Moonrise is at 21:04 on the 8th and 22:00 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 7781 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Tijuana, 1925: Tuesday 9 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": "1925-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-06-09", "confidence": "determinate" } ], "quote": "In Tijuana, Saṅkaṣṭa Caturthī 1925 falls on Tuesday 9 June. Caturthī runs from 03:19 on Tue 9 Jun to 00:10 on Wed 10 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/sankashta-chaturthi?on=1925-06-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/ekadashi?on=1925-06-16", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39205, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-06-15T15:33:41-08:00", "utc": "1925-06-15T23:33:41Z", "ms": -1405729579081.5088 }, "end": { "local": "1925-06-16T16:02:05-08:00", "utc": "1925-06-17T00:02:05Z", "ms": -1405641475265.3894 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1925-06-15T15:33:41-08:00", "utc": "1925-06-15T23:33:41Z", "ms": -1405729579081.5088 }, "end": { "local": "1925-06-16T16:02:05-08:00", "utc": "1925-06-17T00:02:05Z", "ms": -1405641475265.3894 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-06-15", "window": { "start": { "local": "1925-06-15T04:40:16-08:00", "utc": "1925-06-15T12:40:16Z", "ms": -1405768784445.9343 }, "end": { "local": "1925-06-15T04:40:16-08:00", "utc": "1925-06-15T12:40:16Z", "ms": -1405768784445.9343 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-06-16", "window": { "start": { "local": "1925-06-16T04:40:21-08:00", "utc": "1925-06-16T12:40:21Z", "ms": -1405682379453.9714 }, "end": { "local": "1925-06-16T04:40:21-08:00", "utc": "1925-06-16T12:40:21Z", "ms": -1405682379453.9714 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:34 on Mon 15 Jun to 16:02 on Tue 16 Jun.", "fact": "1925-06-15T23:33:41Z → 1925-06-17T00:02:05Z" }, { "step": "kaala", "text": "Sunrise is at 04:40 on the 15th and 04:40 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 39205 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Tijuana, 1925: Tuesday 16 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": "1925-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-06-16", "confidence": "determinate" } ], "quote": "In Tijuana, Yoginī Ekādaśī 1925 falls on Tuesday 16 June. Ekādaśī runs from 15:34 on Mon 15 Jun to 16:02 on Tue 16 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-06-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/pradosha-vrata?on=1925-06-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-06-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2070, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-06-17T16:59:19-08:00", "utc": "1925-06-18T00:59:19Z", "ms": -1405551641464.9292 }, "end": { "local": "1925-06-18T18:22:45-08:00", "utc": "1925-06-19T02:22:45Z", "ms": -1405460234919.2715 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1925-06-17T16:59:19-08:00", "utc": "1925-06-18T00:59:19Z", "ms": -1405551641464.9292 }, "end": { "local": "1925-06-18T18:22:45-08:00", "utc": "1925-06-19T02:22:45Z", "ms": -1405460234919.2715 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-06-17", "window": { "start": { "local": "1925-06-17T18:56:58-08:00", "utc": "1925-06-18T02:56:58Z", "ms": -1405544582466.2886 }, "end": { "local": "1925-06-17T20:14:47-08:00", "utc": "1925-06-18T04:14:47Z", "ms": -1405539913499.8337 } }, "covered_min": 78, "window_min": 78, "qualifies": true }, { "local_date": "1925-06-18", "window": { "start": { "local": "1925-06-18T18:57:15-08:00", "utc": "1925-06-19T02:57:15Z", "ms": -1405458165017.154 }, "end": { "local": "1925-06-18T20:15:03-08:00", "utc": "1925-06-19T04:15:03Z", "ms": -1405453497150.627 } }, "covered_min": 0, "window_min": 78, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:59 on Wed 17 Jun to 18:23 on Thu 18 Jun.", "fact": "1925-06-18T00:59:19Z → 1925-06-19T02:22:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:15 on the 17th, 18:57–20:15 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 78 of 78 minutes on the 17th and 0 of 78 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2070 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 1925: Wednesday 17 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": "1925-06-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-06-17", "confidence": "determinate" } ], "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 1925 falls on Wednesday 17 June. Trayodaśī runs from 16:59 on Wed 17 Jun to 18:23 on Thu 18 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-06-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/shivaratri?on=1925-06-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11735, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1925-06-18T18:22:45-08:00", "utc": "1925-06-19T02:22:45Z", "ms": -1405460234919.2715 }, "end": { "local": "1925-06-19T20:09:38-08:00", "utc": "1925-06-20T04:09:38Z", "ms": -1405367422458.2822 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1925-06-18T18:22:45-08:00", "utc": "1925-06-19T02:22:45Z", "ms": -1405460234919.2715 }, "end": { "local": "1925-06-19T20:09:38-08:00", "utc": "1925-06-20T04:09:38Z", "ms": -1405367422458.2822 } }, "kaala": "nishita", "days": [ { "local_date": "1925-06-18", "window": { "start": { "local": "1925-06-18T23:24:59-08:00", "utc": "1925-06-19T07:24:59Z", "ms": -1405442100517.6777 }, "end": { "local": "1925-06-19T00:12:59-08:00", "utc": "1925-06-19T08:12:59Z", "ms": -1405439220517.6777 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-06-19", "window": { "start": { "local": "1925-06-19T23:25:13-08:00", "utc": "1925-06-20T07:25:13Z", "ms": -1405355687151.6812 }, "end": { "local": "1925-06-20T00:13:13-08:00", "utc": "1925-06-20T08:13:13Z", "ms": -1405352807151.6812 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:23 on Thu 18 Jun to 20:10 on Fri 19 Jun.", "fact": "1925-06-19T02:22:45Z → 1925-06-20T04:09:38Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:25–00:13 on the 18th, 23:25–00:13 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11735 s" }, { "step": "ruling", "text": "Śivarātri, Tijuana, 1925: Thursday 18 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": "1925-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-06-18", "confidence": "determinate" } ], "quote": "In Tijuana, Śivarātri 1925 falls on Thursday 18 June. Caturdaśī runs from 18:23 on Thu 18 Jun to 20:10 on Fri 19 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/tijuana/festivals/1925/shivaratri?on=1925-06-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-06-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29538, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1925-06-22T00:39:56-08:00", "utc": "1925-06-22T08:39:56Z", "ms": -1405178403597.4907 }, "end": { "local": "1925-06-23T03:13:40-08:00", "utc": "1925-06-23T11:13:40Z", "ms": -1405082779962.1704 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1925-06-22T00:39:56-08:00", "utc": "1925-06-22T08:39:56Z", "ms": -1405178403597.4907 }, "end": { "local": "1925-06-23T03:13:40-08:00", "utc": "1925-06-23T11:13:40Z", "ms": -1405082779962.1704 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-06-22", "window": { "start": { "local": "1925-06-22T11:25:46-08:00", "utc": "1925-06-22T19:25:46Z", "ms": -1405139654312.7175 }, "end": { "local": "1925-06-22T12:13:46-08:00", "utc": "1925-06-22T20:13:46Z", "ms": -1405136774312.7175 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-06-23", "window": { "start": { "local": "1925-06-23T11:25:58-08:00", "utc": "1925-06-23T19:25:58Z", "ms": -1405053241679.8032 }, "end": { "local": "1925-06-23T12:13:58-08:00", "utc": "1925-06-23T20:13:58Z", "ms": -1405050361679.8032 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 00:40 on Mon 22 Jun to 03:14 on Tue 23 Jun.", "fact": "1925-06-22T08:39:56Z → 1925-06-23T11:13:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 22nd, 11:26–12:14 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29538 s" }, { "step": "ruling", "text": "Rathayātrā, Tijuana, 1925: Monday 22 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": "1925-06-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-06-22", "confidence": "determinate" } ], "quote": "In Tijuana, Rathayātrā 1925 falls on Monday 22 June. Dvitīyā runs from 00:40 on Mon 22 Jun to 03:14 on Tue 23 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-06-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-06-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11137, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-06-24T05:50:25-08:00", "utc": "1925-06-24T13:50:25Z", "ms": -1404986974953.0083 }, "end": { "local": "1925-06-25T08:20:47-08:00", "utc": "1925-06-25T16:20:47Z", "ms": -1404891553379.7166 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1925-06-24T05:50:25-08:00", "utc": "1925-06-24T13:50:25Z", "ms": -1404986974953.0083 }, "end": { "local": "1925-06-25T08:20:47-08:00", "utc": "1925-06-25T16:20:47Z", "ms": -1404891553379.7166 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-06-24", "window": { "start": { "local": "1925-06-24T11:26:11-08:00", "utc": "1925-06-24T19:26:11Z", "ms": -1404966829127.8223 }, "end": { "local": "1925-06-24T12:14:11-08:00", "utc": "1925-06-24T20:14:11Z", "ms": -1404963949127.8223 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-06-25", "window": { "start": { "local": "1925-06-25T11:26:23-08:00", "utc": "1925-06-25T19:26:23Z", "ms": -1404880416683.0278 }, "end": { "local": "1925-06-25T12:14:23-08:00", "utc": "1925-06-25T20:14:23Z", "ms": -1404877536683.0278 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:50 on Wed 24 Jun to 08:21 on Thu 25 Jun.", "fact": "1925-06-24T13:50:25Z → 1925-06-25T16:20:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 24th, 11:26–12:14 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 11137 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Tijuana, 1925: Wednesday 24 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-06-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-06-24", "confidence": "determinate" } ], "quote": "In Tijuana, Vināyaka Caturthī 1925 falls on Wednesday 24 June. Caturthī runs from 05:50 on Wed 24 Jun to 08:21 on Thu 25 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-06-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3158, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1925-06-25T08:20:47-08:00", "utc": "1925-06-25T16:20:47Z", "ms": -1404891553379.7166 }, "end": { "local": "1925-06-26T10:33:58-08:00", "utc": "1925-06-26T18:33:58Z", "ms": -1404797162240.27 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1925-06-25T08:20:47-08:00", "utc": "1925-06-25T16:20:47Z", "ms": -1404891553379.7166 }, "end": { "local": "1925-06-26T10:33:58-08:00", "utc": "1925-06-26T18:33:58Z", "ms": -1404797162240.27 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-06-25", "window": { "start": { "local": "1925-06-25T11:26:23-08:00", "utc": "1925-06-25T19:26:23Z", "ms": -1404880416683.0278 }, "end": { "local": "1925-06-25T12:14:23-08:00", "utc": "1925-06-25T20:14:23Z", "ms": -1404877536683.0278 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-06-26", "window": { "start": { "local": "1925-06-26T11:26:36-08:00", "utc": "1925-06-26T19:26:36Z", "ms": -1404794004371.17 }, "end": { "local": "1925-06-26T12:14:36-08:00", "utc": "1925-06-26T20:14:36Z", "ms": -1404791124371.17 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:21 on Thu 25 Jun to 10:34 on Fri 26 Jun.", "fact": "1925-06-25T16:20:47Z → 1925-06-26T18:33:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 25th, 11:27–12:15 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 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3158 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Tijuana, 1925: Thursday 25 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": "1925-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-06-26", "confidence": "determinate" } ], "quote": "In Tijuana, Skanda Pañcamī 1925 falls on Thursday 25 June. Pañcamī runs from 08:21 on Thu 25 Jun to 10:34 on Fri 26 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-06-28", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 249, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1925-06-27T12:18:57-08:00", "utc": "1925-06-27T20:18:57Z", "ms": -1404704462898.2483 }, "end": { "local": "1925-06-28T13:25:57-08:00", "utc": "1925-06-28T21:25:57Z", "ms": -1404614043142.3147 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1925-06-27T12:18:57-08:00", "utc": "1925-06-27T20:18:57Z", "ms": -1404704462898.2483 }, "end": { "local": "1925-06-28T13:25:57-08:00", "utc": "1925-06-28T21:25:57Z", "ms": -1404614043142.3147 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-06-27", "window": { "start": { "local": "1925-06-27T11:26:48-08:00", "utc": "1925-06-27T19:26:48Z", "ms": -1404707592217.3901 }, "end": { "local": "1925-06-27T12:14:48-08:00", "utc": "1925-06-27T20:14:48Z", "ms": -1404704712217.3901 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-06-28", "window": { "start": { "local": "1925-06-28T11:27:00-08:00", "utc": "1925-06-28T19:27:00Z", "ms": -1404621180246.108 }, "end": { "local": "1925-06-28T12:15:00-08:00", "utc": "1925-06-28T20:15:00Z", "ms": -1404618300246.108 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 12:19 on Sat 27 Jun to 13:26 on Sun 28 Jun.", "fact": "1925-06-27T20:18:57Z → 1925-06-28T21:25:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 27th, 11:27–12:15 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 249 s < 300 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Tijuana, 1925: Sunday 28 June.", "fact": "confidence: boundary (margin)" } ], "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": "1925-06-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-06-27", "confidence": "determinate" } ], "quote": "In Tijuana, Vivasvat Saptamī 1925 falls on Sunday 28 June. Saptamī runs from 12:19 on Sat 27 Jun to 13:26 on Sun 28 Jun and covers all of madhyāhna that midday. It is 4 min 09 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ekadashi?on=1925-07-02", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19148, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-07-01T12:04:53-08:00", "utc": "1925-07-01T20:04:53Z", "ms": -1404359706687.2349 }, "end": { "local": "1925-07-02T10:03:44-08:00", "utc": "1925-07-02T18:03:44Z", "ms": -1404280575528.9614 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1925-07-01T12:04:53-08:00", "utc": "1925-07-01T20:04:53Z", "ms": -1404359706687.2349 }, "end": { "local": "1925-07-02T10:03:44-08:00", "utc": "1925-07-02T18:03:44Z", "ms": -1404280575528.9614 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-07-01", "window": { "start": { "local": "1925-07-01T04:44:12-08:00", "utc": "1925-07-01T12:44:12Z", "ms": -1404386147797.5051 }, "end": { "local": "1925-07-01T04:44:12-08:00", "utc": "1925-07-01T12:44:12Z", "ms": -1404386147797.5051 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-07-02", "window": { "start": { "local": "1925-07-02T04:44:37-08:00", "utc": "1925-07-02T12:44:37Z", "ms": -1404299723187.77 }, "end": { "local": "1925-07-02T04:44:37-08:00", "utc": "1925-07-02T12:44:37Z", "ms": -1404299723187.77 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:05 on Wed 1 Jul to 10:04 on Thu 2 Jul.", "fact": "1925-07-01T20:04:53Z → 1925-07-02T18:03:44Z" }, { "step": "kaala", "text": "Sunrise is at 04:44 on the 1st and 04:45 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 19148 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Tijuana, 1925: Thursday 2 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": "1925-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-07-02", "confidence": "determinate" } ], "quote": "In Tijuana, Hariśayanī Ekādaśī 1925 falls on Thursday 2 July. Ekādaśī runs from 12:05 on Wed 1 Jul to 10:04 on Thu 2 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-07-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/pradosha-vrata?on=1925-07-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28501, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-07-03T07:23:27-08:00", "utc": "1925-07-03T15:23:27Z", "ms": -1404203793232.4302 }, "end": { "local": "1925-07-04T04:12:04-08:00", "utc": "1925-07-04T12:12:04Z", "ms": -1404128875743.0598 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1925-07-03T07:23:27-08:00", "utc": "1925-07-03T15:23:27Z", "ms": -1404203793232.4302 }, "end": { "local": "1925-07-04T04:12:04-08:00", "utc": "1925-07-04T12:12:04Z", "ms": -1404128875743.0598 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-07-02", "window": { "start": { "local": "1925-07-02T18:58:54-08:00", "utc": "1925-07-03T02:58:54Z", "ms": -1404248466093.906 }, "end": { "local": "1925-07-02T20:17:03-08:00", "utc": "1925-07-03T04:17:03Z", "ms": -1404243776961.8928 } }, "covered_min": 0, "window_min": 78, "qualifies": false }, { "local_date": "1925-07-03", "window": { "start": { "local": "1925-07-03T18:58:50-08:00", "utc": "1925-07-04T02:58:50Z", "ms": -1404162070220.4243 }, "end": { "local": "1925-07-03T20:17:03-08:00", "utc": "1925-07-04T04:17:03Z", "ms": -1404157377001.0857 } }, "covered_min": 78, "window_min": 78, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:23 on Fri 3 Jul to 04:12 on Sat 4 Jul.", "fact": "1925-07-03T15:23:27Z → 1925-07-04T12:12:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:17 on the 2nd, 18:59–20:17 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 78 minutes on the 2nd and 78 of 78 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 28501 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Tijuana, 1925: Friday 3 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": "1925-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-07-03", "confidence": "determinate" } ], "quote": "In Tijuana, Śukla Pradoṣa Vrata 1925 falls on Friday 3 July. Trayodaśī runs from 07:23 on Fri 3 Jul to 04:12 on Sat 4 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-07-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14825, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1925-07-05T00:38:51-08:00", "utc": "1925-07-05T08:38:51Z", "ms": -1404055268851.3599 }, "end": { "local": "1925-07-05T20:53:37-08:00", "utc": "1925-07-06T04:53:37Z", "ms": -1403982383341.1907 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1925-07-05T00:38:51-08:00", "utc": "1925-07-05T08:38:51Z", "ms": -1404055268851.3599 }, "end": { "local": "1925-07-05T20:53:37-08:00", "utc": "1925-07-06T04:53:37Z", "ms": -1403982383341.1907 } }, "kaala": "udaya-3", "days": [ { "local_date": "1925-07-05", "window": { "start": { "local": "1925-07-05T04:45:56-08:00", "utc": "1925-07-05T12:45:56Z", "ms": -1404040443631.571 }, "end": { "local": "1925-07-05T07:36:28-08:00", "utc": "1925-07-05T15:36:28Z", "ms": -1404030211532.8086 } }, "covered_min": 171, "window_min": 171, "qualifies": true }, { "local_date": "1925-07-06", "window": { "start": { "local": "1925-07-06T04:46:25-08:00", "utc": "1925-07-06T12:46:25Z", "ms": -1403954015300.6765 }, "end": { "local": "1925-07-06T07:36:49-08:00", "utc": "1925-07-06T15:36:49Z", "ms": -1403943790626.5776 } }, "covered_min": 0, "window_min": 170, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:39 on Sun 5 Jul to 20:54 on Sun 5 Jul.", "fact": "1925-07-05T08:38:51Z → 1925-07-06T04:53:37Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 04:46–07:36 on the 5th, 04:46–07:37 on the 6th.", "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 171 of 171 minutes on the 5th and 0 of 170 on the 6th.", "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 14825 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Tijuana, 1925: Sunday 5 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": "1925-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-07-05", "confidence": "determinate" } ], "quote": "In Tijuana, Vyāsa Pūjā 1925 falls on Sunday 5 July. Pūrṇimā runs from 00:39 on Sun 5 Jul to 20:54 on Sun 5 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31040, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1925-07-05T00:38:51-08:00", "utc": "1925-07-05T08:38:51Z", "ms": -1404055268851.3599 }, "end": { "local": "1925-07-05T20:53:37-08:00", "utc": "1925-07-06T04:53:37Z", "ms": -1403982383341.1907 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1925-07-05T00:38:51-08:00", "utc": "1925-07-05T08:38:51Z", "ms": -1404055268851.3599 }, "end": { "local": "1925-07-05T20:53:37-08:00", "utc": "1925-07-06T04:53:37Z", "ms": -1403982383341.1907 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-07-04", "window": { "start": { "local": "1925-07-04T11:28:07-08:00", "utc": "1925-07-04T19:28:07Z", "ms": -1404102713488.2827 }, "end": { "local": "1925-07-04T12:16:07-08:00", "utc": "1925-07-04T20:16:07Z", "ms": -1404099833488.2827 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-07-05", "window": { "start": { "local": "1925-07-05T11:28:17-08:00", "utc": "1925-07-05T19:28:17Z", "ms": -1404016303384.665 }, "end": { "local": "1925-07-05T12:16:17-08:00", "utc": "1925-07-05T20:16:17Z", "ms": -1404013423384.665 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:39 on Sun 5 Jul to 20:54 on Sun 5 Jul.", "fact": "1925-07-05T08:38:51Z → 1925-07-06T04:53:37Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 4th, 11:28–12:16 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31040 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Tijuana, 1925: Sunday 5 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": "1925-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-07-05", "confidence": "determinate" } ], "quote": "In Tijuana, Guru Pūrṇimā 1925 falls on Sunday 5 July. Pūrṇimā runs from 00:39 on Sun 5 Jul to 20:54 on Sun 5 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6900, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1925-07-05T00:38:51-08:00", "utc": "1925-07-05T08:38:51Z", "ms": -1404055268851.3599 }, "end": { "local": "1925-07-05T20:53:37-08:00", "utc": "1925-07-06T04:53:37Z", "ms": -1403982383341.1907 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1925-07-05T00:38:51-08:00", "utc": "1925-07-05T08:38:51Z", "ms": -1404055268851.3599 }, "end": { "local": "1925-07-05T20:53:37-08:00", "utc": "1925-07-06T04:53:37Z", "ms": -1403982383341.1907 } }, "kaala": "sayahna", "days": [ { "local_date": "1925-07-04", "window": { "start": { "local": "1925-07-04T16:08:05-08:00", "utc": "1925-07-05T00:08:05Z", "ms": -1404085914936.0212 }, "end": { "local": "1925-07-04T18:58:44-08:00", "utc": "1925-07-05T02:58:44Z", "ms": -1404075675901.1802 } }, "covered_min": 0, "window_min": 171, "qualifies": false }, { "local_date": "1925-07-05", "window": { "start": { "local": "1925-07-05T16:08:05-08:00", "utc": "1925-07-06T00:08:05Z", "ms": -1403999515236.5212 }, "end": { "local": "1925-07-05T18:58:37-08:00", "utc": "1925-07-06T02:58:37Z", "ms": -1403989283137.7588 } }, "covered_min": 171, "window_min": 171, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:39 on Sun 5 Jul to 20:54 on Sun 5 Jul.", "fact": "1925-07-05T08:38:51Z → 1925-07-06T04:53:37Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:08–18:59 on the 4th, 16:08–18:59 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 171 minutes on the 4th and 171 of 171 on the 5th.", "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 6900 s" }, { "step": "ruling", "text": "Kokilā Vrata, Tijuana, 1925: Sunday 5 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": "1925-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-07-05", "confidence": "determinate" } ], "quote": "In Tijuana, Kokilā Vrata 1925 falls on Sunday 5 July. Pūrṇimā runs from 00:39 on Sun 5 Jul to 20:54 on Sun 5 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2197, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1925-07-05T00:38:51-08:00", "utc": "1925-07-05T08:38:51Z", "ms": -1404055268851.3599 }, "end": { "local": "1925-07-05T20:53:37-08:00", "utc": "1925-07-06T04:53:37Z", "ms": -1403982383341.1907 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1925-07-05T00:38:51-08:00", "utc": "1925-07-05T08:38:51Z", "ms": -1404055268851.3599 }, "end": { "local": "1925-07-05T20:53:37-08:00", "utc": "1925-07-06T04:53:37Z", "ms": -1403982383341.1907 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-07-04", "window": { "start": { "local": "1925-07-04T18:58:44-08:00", "utc": "1925-07-05T02:58:44Z", "ms": -1404075675901.1802 }, "end": { "local": "1925-07-04T20:17:02-08:00", "utc": "1925-07-05T04:17:02Z", "ms": -1404070978265.2322 } }, "covered_min": 0, "window_min": 78, "qualifies": false }, { "local_date": "1925-07-05", "window": { "start": { "local": "1925-07-05T18:58:37-08:00", "utc": "1925-07-06T02:58:37Z", "ms": -1403989283137.7588 }, "end": { "local": "1925-07-05T20:16:59-08:00", "utc": "1925-07-06T04:16:59Z", "ms": -1403984580759.4812 } }, "covered_min": 78, "window_min": 78, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:39 on Sun 5 Jul to 20:54 on Sun 5 Jul.", "fact": "1925-07-05T08:38:51Z → 1925-07-06T04:53:37Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:17 on the 4th, 18:59–20:17 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 78 minutes on the 4th and 78 of 78 on the 5th.", "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 2197 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Tijuana, 1925: Sunday 5 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": "1925-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-07-05", "confidence": "boundary" } ], "quote": "In Tijuana, Śiva Śayanotsava 1925 falls on Sunday 5 July. Pūrṇimā runs from 00:39 on Sun 5 Jul to 20:54 on Sun 5 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-07-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9577, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1925-07-06T17:06:18-08:00", "utc": "1925-07-07T01:06:18Z", "ms": -1403909621689.2666 }, "end": { "local": "1925-07-07T13:26:41-08:00", "utc": "1925-07-07T21:26:41Z", "ms": -1403836398908.5757 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1925-07-06T17:06:18-08:00", "utc": "1925-07-07T01:06:18Z", "ms": -1403909621689.2666 }, "end": { "local": "1925-07-07T13:26:41-08:00", "utc": "1925-07-07T21:26:41Z", "ms": -1403836398908.5757 } }, "kaala": "moonrise", "days": [ { "local_date": "1925-07-06", "window": { "start": { "local": "1925-07-06T19:45:56-08:00", "utc": "1925-07-07T03:45:56Z", "ms": -1403900044411.7227 }, "end": { "local": "1925-07-06T19:45:56-08:00", "utc": "1925-07-07T03:45:56Z", "ms": -1403900044411.7227 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-07-07", "window": { "start": { "local": "1925-07-07T20:40:10-08:00", "utc": "1925-07-08T04:40:10Z", "ms": -1403810389777.4185 }, "end": { "local": "1925-07-07T20:40:10-08:00", "utc": "1925-07-08T04:40:10Z", "ms": -1403810389777.4185 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 17:06 on Mon 6 Jul to 13:27 on Tue 7 Jul.", "fact": "1925-07-07T01:06:18Z → 1925-07-07T21:26:41Z" }, { "step": "kaala", "text": "Moonrise is at 19:46 on the 6th and 20:40 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9577 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Tijuana, 1925: Monday 6 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": "1925-07-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-07-06", "confidence": "determinate" } ], "quote": "In Tijuana, Aśūnya Śayana Vrata (Āṣāḍha) 1925 falls on Monday 6 July. Dvitīyā runs from 17:06 on Mon 6 Jul to 13:27 on Tue 7 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/sankashta-chaturthi?on=1925-07-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34733, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-07-08T10:03:59-08:00", "utc": "1925-07-08T18:03:59Z", "ms": -1403762160928.2874 }, "end": { "local": "1925-07-09T07:06:36-08:00", "utc": "1925-07-09T15:06:36Z", "ms": -1403686403600.235 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1925-07-08T10:03:59-08:00", "utc": "1925-07-08T18:03:59Z", "ms": -1403762160928.2874 }, "end": { "local": "1925-07-09T07:06:36-08:00", "utc": "1925-07-09T15:06:36Z", "ms": -1403686403600.235 } }, "kaala": "moonrise", "days": [ { "local_date": "1925-07-07", "window": { "start": { "local": "1925-07-07T20:40:10-08:00", "utc": "1925-07-08T04:40:10Z", "ms": -1403810389777.4185 }, "end": { "local": "1925-07-07T20:40:10-08:00", "utc": "1925-07-08T04:40:10Z", "ms": -1403810389777.4185 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-07-08", "window": { "start": { "local": "1925-07-08T21:27:44-08:00", "utc": "1925-07-09T05:27:44Z", "ms": -1403721136101.9487 }, "end": { "local": "1925-07-08T21:27:44-08:00", "utc": "1925-07-09T05:27:44Z", "ms": -1403721136101.9487 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:04 on Wed 8 Jul to 07:07 on Thu 9 Jul.", "fact": "1925-07-08T18:03:59Z → 1925-07-09T15:06:36Z" }, { "step": "kaala", "text": "Moonrise is at 20:40 on the 7th and 21:28 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 34733 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Tijuana, 1925: Wednesday 8 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": "1925-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-07-08", "confidence": "determinate" } ], "quote": "In Tijuana, Saṅkaṣṭa Caturthī 1925 falls on Wednesday 8 July. Caturthī runs from 10:04 on Wed 8 Jul to 07:07 on Thu 9 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/sankashta-chaturthi?on=1925-07-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/ekadashi?on=1925-07-15", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2009, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-07-15T02:46:45-08:00", "utc": "1925-07-15T10:46:45Z", "ms": -1403183594805.9253 }, "end": { "local": "1925-07-16T04:18:22-08:00", "utc": "1925-07-16T12:18:22Z", "ms": -1403091698094.7102 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1925-07-15T02:46:45-08:00", "utc": "1925-07-15T10:46:45Z", "ms": -1403183594805.9253 }, "end": { "local": "1925-07-16T04:18:22-08:00", "utc": "1925-07-16T12:18:22Z", "ms": -1403091698094.7102 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-07-15", "window": { "start": { "local": "1925-07-15T04:51:15-08:00", "utc": "1925-07-15T12:51:15Z", "ms": -1403176125146.5137 }, "end": { "local": "1925-07-15T04:51:15-08:00", "utc": "1925-07-15T12:51:15Z", "ms": -1403176125146.5137 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-07-16", "window": { "start": { "local": "1925-07-16T04:51:50-08:00", "utc": "1925-07-16T12:51:50Z", "ms": -1403089689577.713 }, "end": { "local": "1925-07-16T04:51:50-08:00", "utc": "1925-07-16T12:51:50Z", "ms": -1403089689577.713 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:47 on Wed 15 Jul to 04:18 on Thu 16 Jul.", "fact": "1925-07-15T10:46:45Z → 1925-07-16T12:18:22Z" }, { "step": "kaala", "text": "Sunrise is at 04:51 on the 15th and 04:52 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 2009 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Tijuana, 1925: Wednesday 15 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": "1925-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-07-15", "confidence": "determinate" } ], "quote": "In Tijuana, Kāmikā Ekādaśī 1925 falls on Wednesday 15 July. Ekādaśī runs from 02:47 on Wed 15 Jul to 04:18 on Thu 16 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-07-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/pradosha-vrata?on=1925-07-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-07-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36085, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-07-17T06:16:35-08:00", "utc": "1925-07-17T14:16:35Z", "ms": -1402998204773.3418 }, "end": { "local": "1925-07-18T08:34:19-08:00", "utc": "1925-07-18T16:34:19Z", "ms": -1402903540769.515 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1925-07-17T06:16:35-08:00", "utc": "1925-07-17T14:16:35Z", "ms": -1402998204773.3418 }, "end": { "local": "1925-07-18T08:34:19-08:00", "utc": "1925-07-18T16:34:19Z", "ms": -1402903540769.515 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-07-16", "window": { "start": { "local": "1925-07-16T18:55:35-08:00", "utc": "1925-07-17T02:55:35Z", "ms": -1403039065060.0227 }, "end": { "local": "1925-07-16T20:15:10-08:00", "utc": "1925-07-17T04:15:10Z", "ms": -1403034290181.1653 } }, "covered_min": 0, "window_min": 80, "qualifies": false }, { "local_date": "1925-07-17", "window": { "start": { "local": "1925-07-17T18:55:09-08:00", "utc": "1925-07-18T02:55:09Z", "ms": -1402952690833.3035 }, "end": { "local": "1925-07-17T20:14:52-08:00", "utc": "1925-07-18T04:14:52Z", "ms": -1402947907636.1123 } }, "covered_min": 80, "window_min": 80, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:17 on Fri 17 Jul to 08:34 on Sat 18 Jul.", "fact": "1925-07-17T14:16:35Z → 1925-07-18T16:34:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:15 on the 16th, 18:55–20:15 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 80 minutes on the 16th and 80 of 80 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 36085 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 1925: Friday 17 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": "1925-07-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-07-17", "confidence": "determinate" } ], "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 1925 falls on Friday 17 July. Trayodaśī runs from 06:17 on Fri 17 Jul to 08:34 on Sat 18 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-07-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/shivaratri?on=1925-07-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29773, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1925-07-18T08:34:19-08:00", "utc": "1925-07-18T16:34:19Z", "ms": -1402903540769.515 }, "end": { "local": "1925-07-19T11:04:23-08:00", "utc": "1925-07-19T19:04:23Z", "ms": -1402808136782.8918 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1925-07-18T08:34:19-08:00", "utc": "1925-07-18T16:34:19Z", "ms": -1402903540769.515 }, "end": { "local": "1925-07-19T11:04:23-08:00", "utc": "1925-07-19T19:04:23Z", "ms": -1402808136782.8918 } }, "kaala": "nishita", "days": [ { "local_date": "1925-07-17", "window": { "start": { "local": "1925-07-17T23:30:06-08:00", "utc": "1925-07-18T07:30:06Z", "ms": -1402936193843.837 }, "end": { "local": "1925-07-18T00:18:06-08:00", "utc": "1925-07-18T08:18:06Z", "ms": -1402933313843.837 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-07-18", "window": { "start": { "local": "1925-07-18T23:30:11-08:00", "utc": "1925-07-19T07:30:11Z", "ms": -1402849788948.7075 }, "end": { "local": "1925-07-19T00:18:11-08:00", "utc": "1925-07-19T08:18:11Z", "ms": -1402846908948.7075 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:34 on Sat 18 Jul to 11:04 on Sun 19 Jul.", "fact": "1925-07-18T16:34:19Z → 1925-07-19T19:04:23Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:30–00:18 on the 17th, 23:30–00:18 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 29773 s" }, { "step": "ruling", "text": "Śivarātri, Tijuana, 1925: Saturday 18 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": "1925-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-07-18", "confidence": "determinate" } ], "quote": "In Tijuana, Śivarātri 1925 falls on Saturday 18 July. Caturdaśī runs from 08:34 on Sat 18 Jul to 11:04 on Sun 19 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/tijuana/festivals/1925/shivaratri?on=1925-07-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22841, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1925-07-22T18:38:47-08:00", "utc": "1925-07-23T02:38:47Z", "ms": -1402521672901.3328 }, "end": { "local": "1925-07-23T20:48:29-08:00", "utc": "1925-07-24T04:48:29Z", "ms": -1402427491494.5095 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1925-07-22T18:38:47-08:00", "utc": "1925-07-23T02:38:47Z", "ms": -1402521672901.3328 }, "end": { "local": "1925-07-23T20:48:29-08:00", "utc": "1925-07-24T04:48:29Z", "ms": -1402427491494.5095 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-07-22", "window": { "start": { "local": "1925-07-22T11:30:06-08:00", "utc": "1925-07-22T19:30:06Z", "ms": -1402547394202.7747 }, "end": { "local": "1925-07-22T12:18:06-08:00", "utc": "1925-07-22T20:18:06Z", "ms": -1402544514202.7747 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-07-23", "window": { "start": { "local": "1925-07-23T11:30:08-08:00", "utc": "1925-07-23T19:30:08Z", "ms": -1402460992280.9294 }, "end": { "local": "1925-07-23T12:18:08-08:00", "utc": "1925-07-23T20:18:08Z", "ms": -1402458112280.9294 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 18:39 on Wed 22 Jul to 20:48 on Thu 23 Jul.", "fact": "1925-07-23T02:38:47Z → 1925-07-24T04:48:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 22nd, 11:30–12:18 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22841 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Tijuana, 1925: Thursday 23 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-07-23", "confidence": "determinate" } ], "quote": "In Tijuana, Madhusravā Tṛtīyā (Hariyali Teej) 1925 falls on Thursday 23 July. Tṛtīyā runs from 18:39 on Wed 22 Jul to 20:48 on Thu 23 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-07-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30621, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-07-23T20:48:29-08:00", "utc": "1925-07-24T04:48:29Z", "ms": -1402427491494.5095 }, "end": { "local": "1925-07-24T22:35:30-08:00", "utc": "1925-07-25T06:35:30Z", "ms": -1402334670318.0527 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1925-07-23T20:48:29-08:00", "utc": "1925-07-24T04:48:29Z", "ms": -1402427491494.5095 }, "end": { "local": "1925-07-24T22:35:30-08:00", "utc": "1925-07-25T06:35:30Z", "ms": -1402334670318.0527 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-07-23", "window": { "start": { "local": "1925-07-23T11:30:08-08:00", "utc": "1925-07-23T19:30:08Z", "ms": -1402460992280.9294 }, "end": { "local": "1925-07-23T12:18:08-08:00", "utc": "1925-07-23T20:18:08Z", "ms": -1402458112280.9294 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-07-24", "window": { "start": { "local": "1925-07-24T11:30:09-08:00", "utc": "1925-07-24T19:30:09Z", "ms": -1402374590940.9443 }, "end": { "local": "1925-07-24T12:18:09-08:00", "utc": "1925-07-24T20:18:09Z", "ms": -1402371710940.9443 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:48 on Thu 23 Jul to 22:35 on Fri 24 Jul.", "fact": "1925-07-24T04:48:29Z → 1925-07-25T06:35:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 23rd, 11:30–12:18 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30621 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Tijuana, 1925: Friday 24 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": "1925-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-07-24", "confidence": "determinate" } ], "quote": "In Tijuana, Vināyaka Caturthī 1925 falls on Friday 24 July. Caturthī runs from 20:48 on Thu 23 Jul to 22:35 on Fri 24 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-07-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37041, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1925-07-24T22:35:30-08:00", "utc": "1925-07-25T06:35:30Z", "ms": -1402334670318.0527 }, "end": { "local": "1925-07-25T23:53:02-08:00", "utc": "1925-07-26T07:53:02Z", "ms": -1402243618432.3362 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1925-07-24T22:35:30-08:00", "utc": "1925-07-25T06:35:30Z", "ms": -1402334670318.0527 }, "end": { "local": "1925-07-25T23:53:02-08:00", "utc": "1925-07-26T07:53:02Z", "ms": -1402243618432.3362 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-07-24", "window": { "start": { "local": "1925-07-24T11:30:09-08:00", "utc": "1925-07-24T19:30:09Z", "ms": -1402374590940.9443 }, "end": { "local": "1925-07-24T12:18:09-08:00", "utc": "1925-07-24T20:18:09Z", "ms": -1402371710940.9443 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-07-25", "window": { "start": { "local": "1925-07-25T11:30:10-08:00", "utc": "1925-07-25T19:30:10Z", "ms": -1402288190191.917 }, "end": { "local": "1925-07-25T12:18:10-08:00", "utc": "1925-07-25T20:18:10Z", "ms": -1402285310191.917 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 22:35 on Fri 24 Jul to 23:53 on Sat 25 Jul.", "fact": "1925-07-25T06:35:30Z → 1925-07-26T07:53:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 24th, 11:30–12:18 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37041 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Tijuana, 1925: Saturday 25 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-07-25", "confidence": "determinate" } ], "quote": "In Tijuana, Nāga Pañcamī 1925 falls on Saturday 25 July. Pañcamī runs from 22:35 on Fri 24 Jul to 23:53 on Sat 25 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ekadashi?on=1925-07-31", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30518, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-07-30T20:32:52-08:00", "utc": "1925-07-31T04:32:52Z", "ms": -1401823628191.089 }, "end": { "local": "1925-07-31T17:55:33-08:00", "utc": "1925-08-01T01:55:33Z", "ms": -1401746666919.3574 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1925-07-30T20:32:52-08:00", "utc": "1925-07-31T04:32:52Z", "ms": -1401823628191.089 }, "end": { "local": "1925-07-31T17:55:33-08:00", "utc": "1925-08-01T01:55:33Z", "ms": -1401746666919.3574 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-07-31", "window": { "start": { "local": "1925-07-31T05:01:30-08:00", "utc": "1925-07-31T13:01:30Z", "ms": -1401793109939.7815 }, "end": { "local": "1925-07-31T05:01:30-08:00", "utc": "1925-07-31T13:01:30Z", "ms": -1401793109939.7815 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-08-01", "window": { "start": { "local": "1925-08-01T05:02:10-08:00", "utc": "1925-08-01T13:02:10Z", "ms": -1401706669587.0032 }, "end": { "local": "1925-08-01T05:02:10-08:00", "utc": "1925-08-01T13:02:10Z", "ms": -1401706669587.0032 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:33 on Thu 30 Jul to 17:56 on Fri 31 Jul.", "fact": "1925-07-31T04:32:52Z → 1925-08-01T01:55:33Z" }, { "step": "kaala", "text": "Sunrise is at 05:02 on the 31st and 05:02 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 30518 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Tijuana, 1925: Friday 31 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": "1925-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-07-31", "confidence": "determinate" } ], "quote": "In Tijuana, Putradā Ekādaśī 1925 falls on Friday 31 July. Ekādaśī runs from 20:33 on Thu 30 Jul to 17:56 on Fri 31 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-07-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9084, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1925-07-31T17:55:33-08:00", "utc": "1925-08-01T01:55:33Z", "ms": -1401746666919.3574 }, "end": { "local": "1925-08-01T14:49:22-08:00", "utc": "1925-08-01T22:49:22Z", "ms": -1401671437935.496 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1925-07-31T17:55:33-08:00", "utc": "1925-08-01T01:55:33Z", "ms": -1401746666919.3574 }, "end": { "local": "1925-08-01T14:49:22-08:00", "utc": "1925-08-01T22:49:22Z", "ms": -1401671437935.496 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-07-31", "window": { "start": { "local": "1925-07-31T11:30:02-08:00", "utc": "1925-07-31T19:30:02Z", "ms": -1401769798455.667 }, "end": { "local": "1925-07-31T12:18:02-08:00", "utc": "1925-07-31T20:18:02Z", "ms": -1401766918455.667 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-08-01", "window": { "start": { "local": "1925-08-01T11:29:58-08:00", "utc": "1925-08-01T19:29:58Z", "ms": -1401683401985.167 }, "end": { "local": "1925-08-01T12:17:58-08:00", "utc": "1925-08-01T20:17:58Z", "ms": -1401680521985.167 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 17:56 on Fri 31 Jul to 14:49 on Sat 1 Aug.", "fact": "1925-08-01T01:55:33Z → 1925-08-01T22:49:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 31st, 11:30–12:18 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 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9084 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Tijuana, 1925: Saturday 1 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": "1925-08-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-01", "confidence": "determinate" } ], "quote": "In Tijuana, Dāmodara Dvādaśī 1925 falls on Saturday 1 August. Dvādaśī runs from 17:56 on Fri 31 Jul to 14:49 on Sat 1 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/pradosha-vrata?on=1925-08-01", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14184, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-08-01T14:49:22-08:00", "utc": "1925-08-01T22:49:22Z", "ms": -1401671437935.496 }, "end": { "local": "1925-08-02T11:22:00-08:00", "utc": "1925-08-02T19:22:00Z", "ms": -1401597479955.7686 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1925-08-01T14:49:22-08:00", "utc": "1925-08-01T22:49:22Z", "ms": -1401671437935.496 }, "end": { "local": "1925-08-02T11:22:00-08:00", "utc": "1925-08-02T19:22:00Z", "ms": -1401597479955.7686 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-08-01", "window": { "start": { "local": "1925-08-01T18:45:46-08:00", "utc": "1925-08-02T02:45:46Z", "ms": -1401657254383.3308 }, "end": { "local": "1925-08-01T20:08:02-08:00", "utc": "1925-08-02T04:08:02Z", "ms": -1401652317686.5164 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "1925-08-02", "window": { "start": { "local": "1925-08-02T18:44:57-08:00", "utc": "1925-08-03T02:44:57Z", "ms": -1401570903095.5874 }, "end": { "local": "1925-08-02T20:07:25-08:00", "utc": "1925-08-03T04:07:25Z", "ms": -1401565954504.9792 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:49 on Sat 1 Aug to 11:22 on Sun 2 Aug.", "fact": "1925-08-01T22:49:22Z → 1925-08-02T19:22:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:46–20:08 on the 1st, 18:45–20:07 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 82 of 82 minutes on the 1st and 0 of 82 on the 2nd.", "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 14184 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Tijuana, 1925: Saturday 1 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": "1925-08-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-01", "confidence": "determinate" } ], "quote": "In Tijuana, Śukla Pradoṣa Vrata 1925 falls on Saturday 1 August. Trayodaśī runs from 14:49 on Sat 1 Aug to 11:22 on Sun 2 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-08-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3921, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1925-08-03T07:42:05-08:00", "utc": "1925-08-03T15:42:05Z", "ms": -1401524275171.8977 }, "end": { "local": "1925-08-04T03:58:50-08:00", "utc": "1925-08-04T11:58:50Z", "ms": -1401451269520.2573 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1925-08-03T17:50:17-08:00", "utc": "1925-08-04T01:50:17Z", "ms": -1401487783010.5178 }, "end": { "local": "1925-08-04T03:58:50-08:00", "utc": "1925-08-04T11:58:50Z", "ms": -1401451269520.2573 } }, "kaala": "day", "days": [ { "local_date": "1925-08-03", "window": { "start": { "local": "1925-08-03T05:03:31-08:00", "utc": "1925-08-03T13:03:31Z", "ms": -1401533788666.0269 }, "end": { "local": "1925-08-04T05:04:12-08:00", "utc": "1925-08-04T13:04:12Z", "ms": -1401447348126.7114 } }, "covered_min": 609, "window_min": 1441, "qualifies": true }, { "local_date": "1925-08-04", "window": { "start": { "local": "1925-08-04T05:04:12-08:00", "utc": "1925-08-04T13:04:12Z", "ms": -1401447348126.7114 }, "end": { "local": "1925-08-05T05:04:52-08:00", "utc": "1925-08-05T13:04:52Z", "ms": -1401360907550.6677 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:42 on Mon 3 Aug to 03:59 on Tue 4 Aug. Its second half begins at 17:50 on Mon 3 Aug.", "fact": "1925-08-03T15:42:05Z → 1925-08-04T11:58:50Z · second half from 1925-08-04T01:50:17Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:04 on the 3rd, and from 05:04 on the 4th.", "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 609 of 1441 minutes on the 3rd and 0 of 1441 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3921 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Tijuana, 1925: Monday 3 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-03", "confidence": "determinate" } ], "quote": "In Tijuana, Rakṣā Bandhana (Rakhi) 1925 falls on Monday 3 August. The second half of Pūrṇimā runs from 17:50 on Mon 3 Aug to 03:59 on Tue 4 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13664, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1925-08-03T07:42:05-08:00", "utc": "1925-08-03T15:42:05Z", "ms": -1401524275171.8977 }, "end": { "local": "1925-08-04T03:58:50-08:00", "utc": "1925-08-04T11:58:50Z", "ms": -1401451269520.2573 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1925-08-03T07:42:05-08:00", "utc": "1925-08-03T15:42:05Z", "ms": -1401524275171.8977 }, "end": { "local": "1925-08-04T03:58:50-08:00", "utc": "1925-08-04T11:58:50Z", "ms": -1401451269520.2573 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-08-03", "window": { "start": { "local": "1925-08-03T11:29:49-08:00", "utc": "1925-08-03T19:29:49Z", "ms": -1401510610874.1284 }, "end": { "local": "1925-08-03T12:17:49-08:00", "utc": "1925-08-03T20:17:49Z", "ms": -1401507730874.1284 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-08-04", "window": { "start": { "local": "1925-08-04T11:29:44-08:00", "utc": "1925-08-04T19:29:44Z", "ms": -1401424216221.6255 }, "end": { "local": "1925-08-04T12:17:44-08:00", "utc": "1925-08-04T20:17:44Z", "ms": -1401421336221.6255 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:42 on Mon 3 Aug to 03:59 on Tue 4 Aug.", "fact": "1925-08-03T15:42:05Z → 1925-08-04T11:58:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 3rd, 11:30–12:18 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13664 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Tijuana, 1925: Monday 3 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": "1925-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-03", "confidence": "determinate" } ], "quote": "In Tijuana, Ṛṣi Tarpaṇa 1925 falls on Monday 3 August. Pūrṇimā runs from 07:42 on Mon 3 Aug to 03:59 on Tue 4 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3539, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1925-08-05T00:21:50-08:00", "utc": "1925-08-05T08:21:50Z", "ms": -1401377890221.6704 }, "end": { "local": "1925-08-05T21:00:37-08:00", "utc": "1925-08-06T05:00:37Z", "ms": -1401303562999.7986 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-05T00:21:50-08:00", "utc": "1925-08-05T08:21:50Z", "ms": -1401377890221.6704 }, "end": { "local": "1925-08-05T21:00:37-08:00", "utc": "1925-08-06T05:00:37Z", "ms": -1401303562999.7986 } }, "kaala": "moonrise", "days": [ { "local_date": "1925-08-04", "window": { "start": { "local": "1925-08-04T19:15:55-08:00", "utc": "1925-08-05T03:15:55Z", "ms": -1401396245251.8342 }, "end": { "local": "1925-08-04T19:15:55-08:00", "utc": "1925-08-05T03:15:55Z", "ms": -1401396245251.8342 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-08-05", "window": { "start": { "local": "1925-08-05T20:01:38-08:00", "utc": "1925-08-06T04:01:38Z", "ms": -1401307102431.6206 }, "end": { "local": "1925-08-05T20:01:38-08:00", "utc": "1925-08-06T04:01:38Z", "ms": -1401307102431.6206 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 00:22 on Wed 5 Aug to 21:01 on Wed 5 Aug.", "fact": "1925-08-05T08:21:50Z → 1925-08-06T05:00:37Z" }, { "step": "kaala", "text": "Moonrise is at 19:16 on the 4th and 20:02 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3539 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Tijuana, 1925: Wednesday 5 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": "1925-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-05", "confidence": "determinate" } ], "quote": "In Tijuana, Aśūnya Śayana Vrata 1925 falls on Wednesday 5 August. Dvitīyā runs from 00:22 on Wed 5 Aug to 21:01 on Wed 5 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20816, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1925-08-05T21:00:37-08:00", "utc": "1925-08-06T05:00:37Z", "ms": -1401303562999.7986 }, "end": { "local": "1925-08-06T18:04:28-08:00", "utc": "1925-08-07T02:04:28Z", "ms": -1401227732224.0425 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-05T21:00:37-08:00", "utc": "1925-08-06T05:00:37Z", "ms": -1401303562999.7986 }, "end": { "local": "1925-08-06T18:04:28-08:00", "utc": "1925-08-07T02:04:28Z", "ms": -1401227732224.0425 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-08-05", "window": { "start": { "local": "1925-08-05T11:29:38-08:00", "utc": "1925-08-05T19:29:38Z", "ms": -1401337822161.145 }, "end": { "local": "1925-08-05T12:17:38-08:00", "utc": "1925-08-05T20:17:38Z", "ms": -1401334942161.145 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-08-06", "window": { "start": { "local": "1925-08-06T11:29:31-08:00", "utc": "1925-08-06T19:29:31Z", "ms": -1401251428684.395 }, "end": { "local": "1925-08-06T12:17:31-08:00", "utc": "1925-08-06T20:17:31Z", "ms": -1401248548684.395 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 21:01 on Wed 5 Aug to 18:04 on Thu 6 Aug.", "fact": "1925-08-06T05:00:37Z → 1925-08-07T02:04:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 5th, 11:30–12:18 on the 6th.", "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 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: paraviddha → only-day · margin 20816 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Tijuana, 1925: Thursday 6 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-06", "confidence": "determinate" } ], "quote": "In Tijuana, Kajjalī Tṛtīyā (Kajari Teej) 1925 falls on Thursday 6 August. Tṛtīyā runs from 21:01 on Wed 5 Aug to 18:04 on Thu 6 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 950, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-08-06T18:04:28-08:00", "utc": "1925-08-07T02:04:28Z", "ms": -1401227732224.0425 }, "end": { "local": "1925-08-07T15:41:53-08:00", "utc": "1925-08-07T23:41:53Z", "ms": -1401149887230.7234 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-06T18:04:28-08:00", "utc": "1925-08-07T02:04:28Z", "ms": -1401227732224.0425 }, "end": { "local": "1925-08-07T15:41:53-08:00", "utc": "1925-08-07T23:41:53Z", "ms": -1401149887230.7234 } }, "kaala": "sayahna", "days": [ { "local_date": "1925-08-06", "window": { "start": { "local": "1925-08-06T15:58:18-08:00", "utc": "1925-08-06T23:58:18Z", "ms": -1401235301726.2031 }, "end": { "local": "1925-08-06T18:41:30-08:00", "utc": "1925-08-07T02:41:30Z", "ms": -1401225510420.742 } }, "covered_min": 37, "window_min": 163, "qualifies": true }, { "local_date": "1925-08-07", "window": { "start": { "local": "1925-08-07T15:57:43-08:00", "utc": "1925-08-07T23:57:43Z", "ms": -1401148937455.716 }, "end": { "local": "1925-08-07T18:40:35-08:00", "utc": "1925-08-08T02:40:35Z", "ms": -1401139165237.51 } }, "covered_min": 0, "window_min": 163, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:04 on Thu 6 Aug to 15:42 on Fri 7 Aug.", "fact": "1925-08-07T02:04:28Z → 1925-08-07T23:41:53Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:58–18:41 on the 6th, 15:58–18:41 on the 7th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 37 of 163 minutes on the 6th and 0 of 163 on the 7th.", "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 950 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Tijuana, 1925: Thursday 6 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-06", "confidence": "determinate" } ], "quote": "In Tijuana, Bahulā Caturthī 1925 falls on Thursday 6 August. Caturthī runs from 18:04 on Thu 6 Aug to 15:42 on Fri 7 Aug and covers 37 of 163 minutes of sāyāhna that late afternoon.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/sankashta-chaturthi?on=1925-08-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9486, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-08-06T18:04:28-08:00", "utc": "1925-08-07T02:04:28Z", "ms": -1401227732224.0425 }, "end": { "local": "1925-08-07T15:41:53-08:00", "utc": "1925-08-07T23:41:53Z", "ms": -1401149887230.7234 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-06T18:04:28-08:00", "utc": "1925-08-07T02:04:28Z", "ms": -1401227732224.0425 }, "end": { "local": "1925-08-07T15:41:53-08:00", "utc": "1925-08-07T23:41:53Z", "ms": -1401149887230.7234 } }, "kaala": "moonrise", "days": [ { "local_date": "1925-08-06", "window": { "start": { "local": "1925-08-06T20:42:33-08:00", "utc": "1925-08-07T04:42:33Z", "ms": -1401218246704.9163 }, "end": { "local": "1925-08-06T20:42:33-08:00", "utc": "1925-08-07T04:42:33Z", "ms": -1401218246704.9163 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-08-07", "window": { "start": { "local": "1925-08-07T21:20:09-08:00", "utc": "1925-08-08T05:20:09Z", "ms": -1401129591445.8542 }, "end": { "local": "1925-08-07T21:20:09-08:00", "utc": "1925-08-08T05:20:09Z", "ms": -1401129591445.8542 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:04 on Thu 6 Aug to 15:42 on Fri 7 Aug.", "fact": "1925-08-07T02:04:28Z → 1925-08-07T23:41:53Z" }, { "step": "kaala", "text": "Moonrise is at 20:43 on the 6th and 21:20 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9486 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Tijuana, 1925: Thursday 6 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": "1925-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-06", "confidence": "determinate" } ], "quote": "In Tijuana, Saṅkaṣṭa Caturthī 1925 falls on Thursday 6 August. Caturthī runs from 18:04 on Thu 6 Aug to 15:42 on Fri 7 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/sankashta-chaturthi?on=1925-08-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2819, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1925-08-08T14:00:03-08:00", "utc": "1925-08-08T22:00:03Z", "ms": -1401069596960.4553 }, "end": { "local": "1925-08-09T13:04:08-08:00", "utc": "1925-08-09T21:04:08Z", "ms": -1400986552320.4265 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-08T14:00:03-08:00", "utc": "1925-08-08T22:00:03Z", "ms": -1401069596960.4553 }, "end": { "local": "1925-08-09T13:04:08-08:00", "utc": "1925-08-09T21:04:08Z", "ms": -1400986552320.4265 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-08-08", "window": { "start": { "local": "1925-08-08T11:29:17-08:00", "utc": "1925-08-08T19:29:17Z", "ms": -1401078643448.9968 }, "end": { "local": "1925-08-08T12:17:17-08:00", "utc": "1925-08-08T20:17:17Z", "ms": -1401075763448.9968 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-08-09", "window": { "start": { "local": "1925-08-09T11:29:08-08:00", "utc": "1925-08-09T19:29:08Z", "ms": -1400992251674.7654 }, "end": { "local": "1925-08-09T12:17:08-08:00", "utc": "1925-08-09T20:17:08Z", "ms": -1400989371674.7654 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 14:00 on Sat 8 Aug to 13:04 on Sun 9 Aug.", "fact": "1925-08-08T22:00:03Z → 1925-08-09T21:04:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 8th, 11:29–12:17 on the 9th.", "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 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2819 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Tijuana, 1925: Sunday 9 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-09", "confidence": "determinate" } ], "quote": "In Tijuana, Hala Ṣaṣṭhī 1925 falls on Sunday 9 August. Ṣaṣṭhī runs from 14:00 on Sat 8 Aug to 13:04 on Sun 9 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35585, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1925-08-10T12:56:29-08:00", "utc": "1925-08-10T20:56:29Z", "ms": -1400900611092.9807 }, "end": { "local": "1925-08-11T13:36:05-08:00", "utc": "1925-08-11T21:36:05Z", "ms": -1400811834647.087 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-10T12:56:29-08:00", "utc": "1925-08-10T20:56:29Z", "ms": -1400900611092.9807 }, "end": { "local": "1925-08-11T13:36:05-08:00", "utc": "1925-08-11T21:36:05Z", "ms": -1400811834647.087 } }, "kaala": "nishita", "days": [ { "local_date": "1925-08-10", "window": { "start": { "local": "1925-08-10T23:29:20-08:00", "utc": "1925-08-11T07:29:20Z", "ms": -1400862640161.671 }, "end": { "local": "1925-08-11T00:17:20-08:00", "utc": "1925-08-11T08:17:20Z", "ms": -1400859760161.671 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-08-11", "window": { "start": { "local": "1925-08-11T23:29:10-08:00", "utc": "1925-08-12T07:29:10Z", "ms": -1400776249504.773 }, "end": { "local": "1925-08-12T00:17:10-08:00", "utc": "1925-08-12T08:17:10Z", "ms": -1400773369504.773 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 12:56 on Mon 10 Aug to 13:36 on Tue 11 Aug.", "fact": "1925-08-10T20:56:29Z → 1925-08-11T21:36:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:29–00:17 on the 10th, 23:29–00:17 on the 11th.", "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 10th and 0 of 48 on the 11th.", "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 35585 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Tijuana, 1925: Monday 10 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-10", "confidence": "determinate" } ], "quote": "In Tijuana, Janmāṣṭamī 1925 falls on Monday 10 August. Aṣṭamī runs from 12:56 on Mon 10 Aug to 13:36 on Tue 11 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2369, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1925-08-09T13:04:08-08:00", "utc": "1925-08-09T21:04:08Z", "ms": -1400986552320.4265 }, "end": { "local": "1925-08-10T12:56:29-08:00", "utc": "1925-08-10T20:56:29Z", "ms": -1400900611092.9807 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-09T13:04:08-08:00", "utc": "1925-08-09T21:04:08Z", "ms": -1400986552320.4265 }, "end": { "local": "1925-08-10T12:56:29-08:00", "utc": "1925-08-10T20:56:29Z", "ms": -1400900611092.9807 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-08-09", "window": { "start": { "local": "1925-08-09T11:29:08-08:00", "utc": "1925-08-09T19:29:08Z", "ms": -1400992251674.7654 }, "end": { "local": "1925-08-09T12:17:08-08:00", "utc": "1925-08-09T20:17:08Z", "ms": -1400989371674.7654 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-08-10", "window": { "start": { "local": "1925-08-10T11:29:00-08:00", "utc": "1925-08-10T19:29:00Z", "ms": -1400905860453.286 }, "end": { "local": "1925-08-10T12:17:00-08:00", "utc": "1925-08-10T20:17:00Z", "ms": -1400902980453.286 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:04 on Sun 9 Aug to 12:56 on Mon 10 Aug.", "fact": "1925-08-09T21:04:08Z → 1925-08-10T20:56:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 9th, 11:29–12:17 on the 10th.", "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 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2369 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Tijuana, 1925: Monday 10 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-09", "confidence": "determinate" } ], "quote": "In Tijuana, Śītalā Saptamī 1925 falls on Monday 10 August. Saptamī runs from 13:04 on Sun 9 Aug to 12:56 on Mon 10 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ekadashi?on=1925-08-14", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35708, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-08-13T16:55:11-08:00", "utc": "1925-08-14T00:55:11Z", "ms": -1400627088838.219 }, "end": { "local": "1925-08-14T19:16:30-08:00", "utc": "1925-08-15T03:16:30Z", "ms": -1400532209823.8137 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-13T16:55:11-08:00", "utc": "1925-08-14T00:55:11Z", "ms": -1400627088838.219 }, "end": { "local": "1925-08-14T19:16:30-08:00", "utc": "1925-08-15T03:16:30Z", "ms": -1400532209823.8137 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-08-14", "window": { "start": { "local": "1925-08-14T05:10:58-08:00", "utc": "1925-08-14T13:10:58Z", "ms": -1400582942403.7222 }, "end": { "local": "1925-08-14T05:10:58-08:00", "utc": "1925-08-14T13:10:58Z", "ms": -1400582942403.7222 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-08-15", "window": { "start": { "local": "1925-08-15T05:11:38-08:00", "utc": "1925-08-15T13:11:38Z", "ms": -1400496502034.555 }, "end": { "local": "1925-08-15T05:11:38-08:00", "utc": "1925-08-15T13:11:38Z", "ms": -1400496502034.555 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:55 on Thu 13 Aug to 19:17 on Fri 14 Aug.", "fact": "1925-08-14T00:55:11Z → 1925-08-15T03:16:30Z" }, { "step": "kaala", "text": "Sunrise is at 05:11 on the 14th and 05:12 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35708 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Tijuana, 1925: Friday 14 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-14", "confidence": "determinate" } ], "quote": "In Tijuana, Ajā Ekādaśī 1925 falls on Friday 14 August. Ekādaśī runs from 16:55 on Thu 13 Aug to 19:17 on Fri 14 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-08-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/pradosha-vrata?on=1925-08-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6789, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-08-15T21:51:04-08:00", "utc": "1925-08-16T05:51:04Z", "ms": -1400436536291.275 }, "end": { "local": "1925-08-17T00:28:07-08:00", "utc": "1925-08-17T08:28:07Z", "ms": -1400340713067.8042 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-15T21:51:04-08:00", "utc": "1925-08-16T05:51:04Z", "ms": -1400436536291.275 }, "end": { "local": "1925-08-17T00:28:07-08:00", "utc": "1925-08-17T08:28:07Z", "ms": -1400340713067.8042 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-08-15", "window": { "start": { "local": "1925-08-15T18:32:37-08:00", "utc": "1925-08-16T02:32:37Z", "ms": -1400448442781.2185 }, "end": { "local": "1925-08-15T19:57:55-08:00", "utc": "1925-08-16T03:57:55Z", "ms": -1400443325309.728 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "1925-08-16", "window": { "start": { "local": "1925-08-16T18:31:33-08:00", "utc": "1925-08-17T02:31:33Z", "ms": -1400362106985.5522 }, "end": { "local": "1925-08-16T19:57:04-08:00", "utc": "1925-08-17T03:57:04Z", "ms": -1400356975593.4214 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:51 on Sat 15 Aug to 00:28 on Mon 17 Aug.", "fact": "1925-08-16T05:51:04Z → 1925-08-17T08:28:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:33–19:58 on the 15th, 18:32–19:57 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 85 minutes on the 15th and 86 of 86 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6789 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 1925: Sunday 16 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": "1925-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-16", "confidence": "determinate" } ], "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 1925 falls on Sunday 16 August. Trayodaśī runs from 21:51 on Sat 15 Aug to 00:28 on Mon 17 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-08-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16263, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1925-08-17T00:28:07-08:00", "utc": "1925-08-17T08:28:07Z", "ms": -1400340713067.8042 }, "end": { "local": "1925-08-18T02:58:24-08:00", "utc": "1925-08-18T10:58:24Z", "ms": -1400245296497.4966 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-17T00:28:07-08:00", "utc": "1925-08-17T08:28:07Z", "ms": -1400340713067.8042 }, "end": { "local": "1925-08-18T02:58:24-08:00", "utc": "1925-08-18T10:58:24Z", "ms": -1400245296497.4966 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-08-16", "window": { "start": { "local": "1925-08-16T18:31:33-08:00", "utc": "1925-08-17T02:31:33Z", "ms": -1400362106985.5522 }, "end": { "local": "1925-08-16T19:57:04-08:00", "utc": "1925-08-17T03:57:04Z", "ms": -1400356975593.4214 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "1925-08-17", "window": { "start": { "local": "1925-08-17T18:30:28-08:00", "utc": "1925-08-18T02:30:28Z", "ms": -1400275772113.059 }, "end": { "local": "1925-08-17T19:56:13-08:00", "utc": "1925-08-18T03:56:13Z", "ms": -1400270626690.2405 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:28 on Mon 17 Aug to 02:58 on Tue 18 Aug.", "fact": "1925-08-17T08:28:07Z → 1925-08-18T10:58:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:32–19:57 on the 16th, 18:30–19:56 on the 17th.", "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 86 minutes on the 16th and 86 of 86 on the 17th.", "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 16263 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Tijuana, 1925: Monday 17 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-17", "confidence": "determinate" } ], "quote": "In Tijuana, Aghora Caturdaśī 1925 falls on Monday 17 August. Caturdaśī runs from 00:28 on Mon 17 Aug to 02:58 on Tue 18 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/shivaratri?on=1925-08-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 711, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1925-08-17T00:28:07-08:00", "utc": "1925-08-17T08:28:07Z", "ms": -1400340713067.8042 }, "end": { "local": "1925-08-18T02:58:24-08:00", "utc": "1925-08-18T10:58:24Z", "ms": -1400245296497.4966 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-17T00:28:07-08:00", "utc": "1925-08-17T08:28:07Z", "ms": -1400340713067.8042 }, "end": { "local": "1925-08-18T02:58:24-08:00", "utc": "1925-08-18T10:58:24Z", "ms": -1400245296497.4966 } }, "kaala": "nishita", "days": [ { "local_date": "1925-08-16", "window": { "start": { "local": "1925-08-16T23:28:16-08:00", "utc": "1925-08-17T07:28:16Z", "ms": -1400344304265.062 }, "end": { "local": "1925-08-17T00:16:16-08:00", "utc": "1925-08-17T08:16:16Z", "ms": -1400341424265.062 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-08-17", "window": { "start": { "local": "1925-08-17T23:28:03-08:00", "utc": "1925-08-18T07:28:03Z", "ms": -1400257916777.4888 }, "end": { "local": "1925-08-18T00:16:03-08:00", "utc": "1925-08-18T08:16:03Z", "ms": -1400255036777.4888 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:28 on Mon 17 Aug to 02:58 on Tue 18 Aug.", "fact": "1925-08-17T08:28:07Z → 1925-08-18T10:58:24Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:28–00:16 on the 16th, 23:28–00:16 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 711 s" }, { "step": "ruling", "text": "Śivarātri, Tijuana, 1925: Monday 17 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": "1925-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-17", "confidence": "determinate" } ], "quote": "In Tijuana, Śivarātri 1925 falls on Monday 17 August. Caturdaśī runs from 00:28 on Mon 17 Aug to 02:58 on Tue 18 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/tijuana/festivals/1925/shivaratri?on=1925-08-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15346, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1925-08-19T05:14:35-08:00", "utc": "1925-08-19T13:14:35Z", "ms": -1400150725367.7886 }, "end": { "local": "1925-08-20T07:11:17-08:00", "utc": "1925-08-20T15:11:17Z", "ms": -1400057322894.7183 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-19T05:14:35-08:00", "utc": "1925-08-19T13:14:35Z", "ms": -1400150725367.7886 }, "end": { "local": "1925-08-20T07:11:17-08:00", "utc": "1925-08-20T15:11:17Z", "ms": -1400057322894.7183 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-08-19", "window": { "start": { "local": "1925-08-19T11:27:17-08:00", "utc": "1925-08-19T19:27:17Z", "ms": -1400128363244.301 }, "end": { "local": "1925-08-19T12:15:17-08:00", "utc": "1925-08-19T20:15:17Z", "ms": -1400125483244.301 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-08-20", "window": { "start": { "local": "1925-08-20T11:27:03-08:00", "utc": "1925-08-20T19:27:03Z", "ms": -1400041977180.4329 }, "end": { "local": "1925-08-20T12:15:03-08:00", "utc": "1925-08-20T20:15:03Z", "ms": -1400039097180.4329 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 05:15 on Wed 19 Aug to 07:11 on Thu 20 Aug.", "fact": "1925-08-19T13:14:35Z → 1925-08-20T15:11:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 19th, 11:27–12:15 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15346 s" }, { "step": "ruling", "text": "Rudra Vrata, Tijuana, 1925: Wednesday 19 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-19", "confidence": "determinate" } ], "quote": "In Tijuana, Rudra Vrata 1925 falls on Wednesday 19 August. Pratipadā runs from 05:15 on Wed 19 Aug to 07:11 on Thu 20 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5673, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1925-08-21T08:44:41-08:00", "utc": "1925-08-21T16:44:41Z", "ms": -1399965318962.5564 }, "end": { "local": "1925-08-22T09:52:01-08:00", "utc": "1925-08-22T17:52:01Z", "ms": -1399874879318.0261 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-21T08:44:41-08:00", "utc": "1925-08-21T16:44:41Z", "ms": -1399965318962.5564 }, "end": { "local": "1925-08-22T09:52:01-08:00", "utc": "1925-08-22T17:52:01Z", "ms": -1399874879318.0261 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-08-21", "window": { "start": { "local": "1925-08-21T11:26:48-08:00", "utc": "1925-08-21T19:26:48Z", "ms": -1399955591590.871 }, "end": { "local": "1925-08-21T12:14:48-08:00", "utc": "1925-08-21T20:14:48Z", "ms": -1399952711590.871 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-08-22", "window": { "start": { "local": "1925-08-22T11:26:34-08:00", "utc": "1925-08-22T19:26:34Z", "ms": -1399869206466.4717 }, "end": { "local": "1925-08-22T12:14:34-08:00", "utc": "1925-08-22T20:14:34Z", "ms": -1399866326466.4717 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 08:45 on Fri 21 Aug to 09:52 on Sat 22 Aug.", "fact": "1925-08-21T16:44:41Z → 1925-08-22T17:52:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 21st, 11:27–12:15 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5673 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Tijuana, 1925: Friday 21 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-08-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-21", "confidence": "determinate" } ], "quote": "In Tijuana, Haritālikā Vrata (Hartalika Teej) 1925 falls on Friday 21 August. Tṛtīyā runs from 08:45 on Fri 21 Aug to 09:52 on Sat 22 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3309, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-08-22T09:52:01-08:00", "utc": "1925-08-22T17:52:01Z", "ms": -1399874879318.0261 }, "end": { "local": "1925-08-23T10:31:09-08:00", "utc": "1925-08-23T18:31:09Z", "ms": -1399786130596.4995 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-22T09:52:01-08:00", "utc": "1925-08-22T17:52:01Z", "ms": -1399874879318.0261 }, "end": { "local": "1925-08-23T10:31:09-08:00", "utc": "1925-08-23T18:31:09Z", "ms": -1399786130596.4995 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-08-22", "window": { "start": { "local": "1925-08-22T11:26:34-08:00", "utc": "1925-08-22T19:26:34Z", "ms": -1399869206466.4717 }, "end": { "local": "1925-08-22T12:14:34-08:00", "utc": "1925-08-22T20:14:34Z", "ms": -1399866326466.4717 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-08-23", "window": { "start": { "local": "1925-08-23T11:26:18-08:00", "utc": "1925-08-23T19:26:18Z", "ms": -1399782821797.4285 }, "end": { "local": "1925-08-23T12:14:18-08:00", "utc": "1925-08-23T20:14:18Z", "ms": -1399779941797.4285 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:52 on Sat 22 Aug to 10:31 on Sun 23 Aug.", "fact": "1925-08-22T17:52:01Z → 1925-08-23T18:31:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 22nd, 11:26–12:14 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3309 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Tijuana, 1925: Saturday 22 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-22", "confidence": "boundary" } ], "quote": "In Tijuana, Gaṇeśa Caturthī 1925 falls on Saturday 22 August. Caturthī runs from 09:52 on Sat 22 Aug to 10:31 on Sun 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2737, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1925-08-23T10:31:09-08:00", "utc": "1925-08-23T18:31:09Z", "ms": -1399786130596.4995 }, "end": { "local": "1925-08-24T10:40:26-08:00", "utc": "1925-08-24T18:40:26Z", "ms": -1399699174331.4634 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-23T10:31:09-08:00", "utc": "1925-08-23T18:31:09Z", "ms": -1399786130596.4995 }, "end": { "local": "1925-08-24T10:40:26-08:00", "utc": "1925-08-24T18:40:26Z", "ms": -1399699174331.4634 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-08-23", "window": { "start": { "local": "1925-08-23T11:26:18-08:00", "utc": "1925-08-23T19:26:18Z", "ms": -1399782821797.4285 }, "end": { "local": "1925-08-23T12:14:18-08:00", "utc": "1925-08-23T20:14:18Z", "ms": -1399779941797.4285 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-08-24", "window": { "start": { "local": "1925-08-24T11:26:02-08:00", "utc": "1925-08-24T19:26:02Z", "ms": -1399696437573.1682 }, "end": { "local": "1925-08-24T12:14:02-08:00", "utc": "1925-08-24T20:14:02Z", "ms": -1399693557573.1682 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:31 on Sun 23 Aug to 10:40 on Mon 24 Aug.", "fact": "1925-08-23T18:31:09Z → 1925-08-24T18:40:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 23rd, 11:26–12:14 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 2737 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Tijuana, 1925: Sunday 23 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-23", "confidence": "boundary" } ], "quote": "In Tijuana, Ṛṣi Pañcamī 1925 falls on Sunday 23 August. Pañcamī runs from 10:31 on Sun 23 Aug to 10:40 on Mon 24 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2737, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1925-08-24T10:40:26-08:00", "utc": "1925-08-24T18:40:26Z", "ms": -1399699174331.4634 }, "end": { "local": "1925-08-25T10:18:32-08:00", "utc": "1925-08-25T18:18:32Z", "ms": -1399614087777.0962 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-24T10:40:26-08:00", "utc": "1925-08-24T18:40:26Z", "ms": -1399699174331.4634 }, "end": { "local": "1925-08-25T10:18:32-08:00", "utc": "1925-08-25T18:18:32Z", "ms": -1399614087777.0962 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-08-24", "window": { "start": { "local": "1925-08-24T11:26:02-08:00", "utc": "1925-08-24T19:26:02Z", "ms": -1399696437573.1682 }, "end": { "local": "1925-08-24T12:14:02-08:00", "utc": "1925-08-24T20:14:02Z", "ms": -1399693557573.1682 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-08-25", "window": { "start": { "local": "1925-08-25T11:25:46-08:00", "utc": "1925-08-25T19:25:46Z", "ms": -1399610053782.2446 }, "end": { "local": "1925-08-25T12:13:46-08:00", "utc": "1925-08-25T20:13:46Z", "ms": -1399607173782.2446 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:40 on Mon 24 Aug to 10:19 on Tue 25 Aug.", "fact": "1925-08-24T18:40:26Z → 1925-08-25T18:18:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 24th, 11:26–12:14 on the 25th.", "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 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2737 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Tijuana, 1925: Monday 24 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-24", "confidence": "determinate" } ], "quote": "In Tijuana, Sūrya Ṣaṣṭhī (Bhādrapada) 1925 falls on Monday 24 August. Ṣaṣṭhī runs from 10:40 on Mon 24 Aug to 10:19 on Tue 25 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4034, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1925-08-25T10:18:32-08:00", "utc": "1925-08-25T18:18:32Z", "ms": -1399614087777.0962 }, "end": { "local": "1925-08-26T09:24:46-08:00", "utc": "1925-08-26T17:24:46Z", "ms": -1399530913535.9526 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-25T10:18:32-08:00", "utc": "1925-08-25T18:18:32Z", "ms": -1399614087777.0962 }, "end": { "local": "1925-08-26T09:24:46-08:00", "utc": "1925-08-26T17:24:46Z", "ms": -1399530913535.9526 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-08-25", "window": { "start": { "local": "1925-08-25T11:25:46-08:00", "utc": "1925-08-25T19:25:46Z", "ms": -1399610053782.2446 }, "end": { "local": "1925-08-25T12:13:46-08:00", "utc": "1925-08-25T20:13:46Z", "ms": -1399607173782.2446 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-08-26", "window": { "start": { "local": "1925-08-26T11:25:30-08:00", "utc": "1925-08-26T19:25:30Z", "ms": -1399523670412.2183 }, "end": { "local": "1925-08-26T12:13:30-08:00", "utc": "1925-08-26T20:13:30Z", "ms": -1399520790412.2183 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:19 on Tue 25 Aug to 09:25 on Wed 26 Aug.", "fact": "1925-08-25T18:18:32Z → 1925-08-26T17:24:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 25th, 11:25–12:13 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 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 4034 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Tijuana, 1925: Tuesday 25 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-08-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-25", "confidence": "determinate" } ], "quote": "In Tijuana, Muktābharaṇa Vrata 1925 falls on Tuesday 25 August. Saptamī runs from 10:19 on Tue 25 Aug to 09:25 on Wed 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7243, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1925-08-26T09:24:46-08:00", "utc": "1925-08-26T17:24:46Z", "ms": -1399530913535.9526 }, "end": { "local": "1925-08-27T07:59:17-08:00", "utc": "1925-08-27T15:59:17Z", "ms": -1399449642890.1433 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-26T09:24:46-08:00", "utc": "1925-08-26T17:24:46Z", "ms": -1399530913535.9526 }, "end": { "local": "1925-08-27T07:59:17-08:00", "utc": "1925-08-27T15:59:17Z", "ms": -1399449642890.1433 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-08-26", "window": { "start": { "local": "1925-08-26T11:25:30-08:00", "utc": "1925-08-26T19:25:30Z", "ms": -1399523670412.2183 }, "end": { "local": "1925-08-26T12:13:30-08:00", "utc": "1925-08-26T20:13:30Z", "ms": -1399520790412.2183 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-08-27", "window": { "start": { "local": "1925-08-27T11:25:13-08:00", "utc": "1925-08-27T19:25:13Z", "ms": -1399437287449.5242 }, "end": { "local": "1925-08-27T12:13:13-08:00", "utc": "1925-08-27T20:13:13Z", "ms": -1399434407449.5242 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:25 on Wed 26 Aug to 07:59 on Thu 27 Aug.", "fact": "1925-08-26T17:24:46Z → 1925-08-27T15:59:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 26th, 11:25–12:13 on the 27th.", "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 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: unstated → only-day · margin 7243 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Tijuana, 1925: Wednesday 26 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "radhashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-26", "confidence": "determinate" } ], "quote": "In Tijuana, Rādhāṣṭamī 1925 falls on Wednesday 26 August. Aṣṭamī runs from 09:25 on Wed 26 Aug to 07:59 on Thu 27 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ekadashi?on=1925-08-29", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6075, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-08-29T03:39:37-08:00", "utc": "1925-08-29T11:39:37Z", "ms": -1399292423061.1914 }, "end": { "local": "1925-08-30T00:52:09-08:00", "utc": "1925-08-30T08:52:09Z", "ms": -1399216071392.219 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-29T03:39:37-08:00", "utc": "1925-08-29T11:39:37Z", "ms": -1399292423061.1914 }, "end": { "local": "1925-08-30T00:52:09-08:00", "utc": "1925-08-30T08:52:09Z", "ms": -1399216071392.219 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-08-29", "window": { "start": { "local": "1925-08-29T05:20:52-08:00", "utc": "1925-08-29T13:20:52Z", "ms": -1399286348449.9602 }, "end": { "local": "1925-08-29T05:20:52-08:00", "utc": "1925-08-29T13:20:52Z", "ms": -1399286348449.9602 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-08-30", "window": { "start": { "local": "1925-08-30T05:21:30-08:00", "utc": "1925-08-30T13:21:30Z", "ms": -1399199909880.7961 }, "end": { "local": "1925-08-30T05:21:30-08:00", "utc": "1925-08-30T13:21:30Z", "ms": -1399199909880.7961 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:40 on Sat 29 Aug to 00:52 on Sun 30 Aug.", "fact": "1925-08-29T11:39:37Z → 1925-08-30T08:52:09Z" }, { "step": "kaala", "text": "Sunrise is at 05:21 on the 29th and 05:22 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 29th and is not 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 6075 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Tijuana, 1925: Saturday 29 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-29", "confidence": "determinate" } ], "quote": "In Tijuana, Parivartanī Ekādaśī 1925 falls on Saturday 29 August. Ekādaśī runs from 03:40 on Sat 29 Aug to 00:52 on Sun 30 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-08-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34446, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1925-08-30T00:52:09-08:00", "utc": "1925-08-30T08:52:09Z", "ms": -1399216071392.219 }, "end": { "local": "1925-08-30T21:46:25-08:00", "utc": "1925-08-31T05:46:25Z", "ms": -1399140814531.9443 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-30T00:52:09-08:00", "utc": "1925-08-30T08:52:09Z", "ms": -1399216071392.219 }, "end": { "local": "1925-08-30T21:46:25-08:00", "utc": "1925-08-31T05:46:25Z", "ms": -1399140814531.9443 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-08-29", "window": { "start": { "local": "1925-08-29T11:24:37-08:00", "utc": "1925-08-29T19:24:37Z", "ms": -1399264522685.4436 }, "end": { "local": "1925-08-29T12:12:37-08:00", "utc": "1925-08-29T20:12:37Z", "ms": -1399261642685.4436 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-08-30", "window": { "start": { "local": "1925-08-30T11:24:19-08:00", "utc": "1925-08-30T19:24:19Z", "ms": -1399178140850.1948 }, "end": { "local": "1925-08-30T12:12:19-08:00", "utc": "1925-08-30T20:12:19Z", "ms": -1399175260850.1948 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:52 on Sun 30 Aug to 21:46 on Sun 30 Aug.", "fact": "1925-08-30T08:52:09Z → 1925-08-31T05:46:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 29th, 11:24–12:12 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34446 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Tijuana, 1925: Sunday 30 August.", "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": "1925-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-30", "confidence": "determinate" } ], "quote": "In Tijuana, Vāmana Jayantī 1925 falls on Sunday 30 August. Dvādaśī runs from 00:52 on Sun 30 Aug to 21:46 on Sun 30 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/pradosha-vrata?on=1925-08-31", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 921, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-08-30T21:46:25-08:00", "utc": "1925-08-31T05:46:25Z", "ms": -1399140814531.9443 }, "end": { "local": "1925-08-31T18:29:14-08:00", "utc": "1925-09-01T02:29:14Z", "ms": -1399066245915.3267 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-30T21:46:25-08:00", "utc": "1925-08-31T05:46:25Z", "ms": -1399140814531.9443 }, "end": { "local": "1925-08-31T18:29:14-08:00", "utc": "1925-09-01T02:29:14Z", "ms": -1399066245915.3267 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-08-30", "window": { "start": { "local": "1925-08-30T18:15:08-08:00", "utc": "1925-08-31T02:15:08Z", "ms": -1399153491819.5938 }, "end": { "local": "1925-08-30T19:44:04-08:00", "utc": "1925-08-31T03:44:04Z", "ms": -1399148155767.7778 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "1925-08-31", "window": { "start": { "local": "1925-08-31T18:13:53-08:00", "utc": "1925-09-01T02:13:53Z", "ms": -1399067167278.0063 }, "end": { "local": "1925-08-31T19:43:04-08:00", "utc": "1925-09-01T03:43:04Z", "ms": -1399061816053.0552 } }, "covered_min": 15, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:46 on Sun 30 Aug to 18:29 on Mon 31 Aug.", "fact": "1925-08-31T05:46:25Z → 1925-09-01T02:29:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–19:44 on the 30th, 18:14–19:43 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 0 of 89 minutes on the 30th and 15 of 89 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 921 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Tijuana, 1925: Monday 31 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": "1925-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-08-31", "confidence": "determinate" } ], "quote": "In Tijuana, Śukla Pradoṣa Vrata 1925 falls on Monday 31 August. Trayodaśī runs from 21:46 on Sun 30 Aug to 18:29 on Mon 31 Aug and covers 15 of 89 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-08-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25902, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1925-08-31T18:29:14-08:00", "utc": "1925-09-01T02:29:14Z", "ms": -1399066245915.3267 }, "end": { "local": "1925-09-01T15:08:27-08:00", "utc": "1925-09-01T23:08:27Z", "ms": -1398991893000.0483 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1925-08-31T18:29:14-08:00", "utc": "1925-09-01T02:29:14Z", "ms": -1399066245915.3267 }, "end": { "local": "1925-09-01T15:08:27-08:00", "utc": "1925-09-01T23:08:27Z", "ms": -1398991893000.0483 } }, "kaala": "udaya-3", "days": [ { "local_date": "1925-08-31", "window": { "start": { "local": "1925-08-31T05:22:09-08:00", "utc": "1925-08-31T13:22:09Z", "ms": -1399113471430.975 }, "end": { "local": "1925-08-31T07:56:29-08:00", "utc": "1925-08-31T15:56:29Z", "ms": -1399104210600.3813 } }, "covered_min": 0, "window_min": 154, "qualifies": false }, { "local_date": "1925-09-01", "window": { "start": { "local": "1925-09-01T05:22:47-08:00", "utc": "1925-09-01T13:22:47Z", "ms": -1399027033090.8718 }, "end": { "local": "1925-09-01T07:56:45-08:00", "utc": "1925-09-01T15:56:45Z", "ms": -1399017795125.6895 } }, "covered_min": 154, "window_min": 154, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 18:29 on Mon 31 Aug to 15:08 on Tue 1 Sep.", "fact": "1925-09-01T02:29:14Z → 1925-09-01T23:08:27Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:22–07:56 on the 31st, 05:23–07:57 on the 1st.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 154 minutes on the 31st and 154 of 154 on the 1st.", "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 25902 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Tijuana, 1925: Tuesday 1 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": "1925-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-09-01", "confidence": "determinate" } ], "quote": "In Tijuana, Ananta Caturdaśī 1925 falls on Tuesday 1 September. Caturdaśī runs from 18:29 on Mon 31 Aug to 15:08 on Tue 1 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/sankashta-chaturthi?on=1925-09-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22793, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-09-05T04:09:53-08:00", "utc": "1925-09-05T12:09:53Z", "ms": -1398685806877.848 }, "end": { "local": "1925-09-06T02:46:27-08:00", "utc": "1925-09-06T10:46:27Z", "ms": -1398604413215.6448 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1925-09-05T04:09:53-08:00", "utc": "1925-09-05T12:09:53Z", "ms": -1398685806877.848 }, "end": { "local": "1925-09-06T02:46:27-08:00", "utc": "1925-09-06T10:46:27Z", "ms": -1398604413215.6448 } }, "kaala": "moonrise", "days": [ { "local_date": "1925-09-04", "window": { "start": { "local": "1925-09-04T19:50:24-08:00", "utc": "1925-09-05T03:50:24Z", "ms": -1398715775538.7473 }, "end": { "local": "1925-09-04T19:50:24-08:00", "utc": "1925-09-05T03:50:24Z", "ms": -1398715775538.7473 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-09-05", "window": { "start": { "local": "1925-09-05T20:26:34-08:00", "utc": "1925-09-06T04:26:34Z", "ms": -1398627206315.7202 }, "end": { "local": "1925-09-05T20:26:34-08:00", "utc": "1925-09-06T04:26:34Z", "ms": -1398627206315.7202 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:10 on Sat 5 Sep to 02:46 on Sun 6 Sep.", "fact": "1925-09-05T12:09:53Z → 1925-09-06T10:46:27Z" }, { "step": "kaala", "text": "Moonrise is at 19:50 on the 4th and 20:27 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22793 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Tijuana, 1925: Saturday 5 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": "1925-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-09-05", "confidence": "determinate" } ], "quote": "In Tijuana, Saṅkaṣṭa Caturthī 1925 falls on Saturday 5 September. Caturthī runs from 04:10 on Sat 5 Sep to 02:46 on Sun 6 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/sankashta-chaturthi?on=1925-09-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16970, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1925-09-07T02:09:52-08:00", "utc": "1925-09-07T10:09:52Z", "ms": -1398520208408.1648 }, "end": { "local": "1925-09-08T02:22:55-08:00", "utc": "1925-09-08T10:22:55Z", "ms": -1398433024681.137 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1925-09-07T02:09:52-08:00", "utc": "1925-09-07T10:09:52Z", "ms": -1398520208408.1648 }, "end": { "local": "1925-09-08T02:22:55-08:00", "utc": "1925-09-08T10:22:55Z", "ms": -1398433024681.137 } }, "kaala": "moonrise", "days": [ { "local_date": "1925-09-06", "window": { "start": { "local": "1925-09-06T21:02:47-08:00", "utc": "1925-09-07T05:02:47Z", "ms": -1398538632913.3428 }, "end": { "local": "1925-09-06T21:02:47-08:00", "utc": "1925-09-07T05:02:47Z", "ms": -1398538632913.3428 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-09-07", "window": { "start": { "local": "1925-09-07T21:40:06-08:00", "utc": "1925-09-08T05:40:06Z", "ms": -1398449994380.3176 }, "end": { "local": "1925-09-07T21:40:06-08:00", "utc": "1925-09-08T05:40:06Z", "ms": -1398449994380.3176 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 02:10 on Mon 7 Sep to 02:23 on Tue 8 Sep.", "fact": "1925-09-07T10:09:52Z → 1925-09-08T10:22:55Z" }, { "step": "kaala", "text": "Moonrise is at 21:03 on the 6th and 21:40 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16970 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Tijuana, 1925: Monday 7 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-09-07", "confidence": "determinate" } ], "quote": "In Tijuana, Candra Ṣaṣṭhī 1925 falls on Monday 7 September. Ṣaṣṭhī runs from 02:10 on Mon 7 Sep to 02:23 on Tue 8 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28172, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1925-09-09T03:24:19-08:00", "utc": "1925-09-09T11:24:19Z", "ms": -1398342941230.443 }, "end": { "local": "1925-09-10T05:08:03-08:00", "utc": "1925-09-10T13:08:03Z", "ms": -1398250317050.89 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1925-09-09T03:24:19-08:00", "utc": "1925-09-09T11:24:19Z", "ms": -1398342941230.443 }, "end": { "local": "1925-09-10T05:08:03-08:00", "utc": "1925-09-10T13:08:03Z", "ms": -1398250317050.89 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-09-08", "window": { "start": { "local": "1925-09-08T18:03:33-08:00", "utc": "1925-09-09T02:03:33Z", "ms": -1398376587380.3037 }, "end": { "local": "1925-09-08T19:34:47-08:00", "utc": "1925-09-09T03:34:47Z", "ms": -1398371112904.2612 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "1925-09-09", "window": { "start": { "local": "1925-09-09T18:02:14-08:00", "utc": "1925-09-10T02:02:14Z", "ms": -1398290266498.8677 }, "end": { "local": "1925-09-09T19:33:44-08:00", "utc": "1925-09-10T03:33:44Z", "ms": -1398284776418.7205 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 03:24 on Wed 9 Sep to 05:08 on Thu 10 Sep.", "fact": "1925-09-09T11:24:19Z → 1925-09-10T13:08:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:35 on the 8th, 18:02–19:34 on the 9th.", "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 91 minutes on the 8th and 92 of 92 on the 9th.", "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 28172 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Tijuana, 1925: Wednesday 9 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-09-09", "confidence": "determinate" } ], "quote": "In Tijuana, Jitāṣṭamī (Jitiya) 1925 falls on Wednesday 9 September. Aṣṭamī runs from 03:24 on Wed 9 Sep to 05:08 on Thu 10 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18298, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1925-09-09T03:24:19-08:00", "utc": "1925-09-09T11:24:19Z", "ms": -1398342941230.443 }, "end": { "local": "1925-09-10T05:08:03-08:00", "utc": "1925-09-10T13:08:03Z", "ms": -1398250317050.89 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1925-09-09T03:24:19-08:00", "utc": "1925-09-09T11:24:19Z", "ms": -1398342941230.443 }, "end": { "local": "1925-09-10T05:08:03-08:00", "utc": "1925-09-10T13:08:03Z", "ms": -1398250317050.89 } }, "kaala": "moonrise", "days": [ { "local_date": "1925-09-08", "window": { "start": { "local": "1925-09-08T22:19:21-08:00", "utc": "1925-09-09T06:19:21Z", "ms": -1398361239348.6313 }, "end": { "local": "1925-09-08T22:19:21-08:00", "utc": "1925-09-09T06:19:21Z", "ms": -1398361239348.6313 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-09-09", "window": { "start": { "local": "1925-09-09T23:01:11-08:00", "utc": "1925-09-10T07:01:11Z", "ms": -1398272329002.398 }, "end": { "local": "1925-09-09T23:01:11-08:00", "utc": "1925-09-10T07:01:11Z", "ms": -1398272329002.398 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 03:24 on Wed 9 Sep to 05:08 on Thu 10 Sep.", "fact": "1925-09-09T11:24:19Z → 1925-09-10T13:08:03Z" }, { "step": "kaala", "text": "Moonrise is at 22:19 on the 8th and 23:01 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18298 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Tijuana, 1925: Wednesday 9 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-09-09", "confidence": "determinate" } ], "quote": "In Tijuana, Mahālakṣmī Vrata Samāpana 1925 falls on Wednesday 9 September. Aṣṭamī runs from 03:24 on Wed 9 Sep to 05:08 on Thu 10 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ekadashi?on=1925-09-13", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16097, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-09-12T09:58:02-08:00", "utc": "1925-09-12T17:58:02Z", "ms": -1398060118323.986 }, "end": { "local": "1925-09-13T12:36:22-08:00", "utc": "1925-09-13T20:36:22Z", "ms": -1397964218258.5066 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1925-09-12T09:58:02-08:00", "utc": "1925-09-12T17:58:02Z", "ms": -1398060118323.986 }, "end": { "local": "1925-09-13T12:36:22-08:00", "utc": "1925-09-13T20:36:22Z", "ms": -1397964218258.5066 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-09-12", "window": { "start": { "local": "1925-09-12T05:29:45-08:00", "utc": "1925-09-12T13:29:45Z", "ms": -1398076215041.4404 }, "end": { "local": "1925-09-12T05:29:45-08:00", "utc": "1925-09-12T13:29:45Z", "ms": -1398076215041.4404 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-09-13", "window": { "start": { "local": "1925-09-13T05:30:23-08:00", "utc": "1925-09-13T13:30:23Z", "ms": -1397989777079.122 }, "end": { "local": "1925-09-13T05:30:23-08:00", "utc": "1925-09-13T13:30:23Z", "ms": -1397989777079.122 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:58 on Sat 12 Sep to 12:36 on Sun 13 Sep.", "fact": "1925-09-12T17:58:02Z → 1925-09-13T20:36:22Z" }, { "step": "kaala", "text": "Sunrise is at 05:30 on the 12th and 05:30 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 12th and is on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16097 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Tijuana, 1925: Sunday 13 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": "1925-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-09-13", "confidence": "determinate" } ], "quote": "In Tijuana, Indirā Ekādaśī 1925 falls on Sunday 13 September. Ekādaśī runs from 09:58 on Sat 12 Sep to 12:36 on Sun 13 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-09-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/pradosha-vrata?on=1925-09-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2348, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-09-14T15:05:31-08:00", "utc": "1925-09-14T23:05:31Z", "ms": -1397868869404.2761 }, "end": { "local": "1925-09-15T17:15:06-08:00", "utc": "1925-09-16T01:15:06Z", "ms": -1397774694188.6694 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1925-09-14T15:05:31-08:00", "utc": "1925-09-14T23:05:31Z", "ms": -1397868869404.2761 }, "end": { "local": "1925-09-15T17:15:06-08:00", "utc": "1925-09-16T01:15:06Z", "ms": -1397774694188.6694 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-09-14", "window": { "start": { "local": "1925-09-14T17:55:35-08:00", "utc": "1925-09-15T01:55:35Z", "ms": -1397858665487.024 }, "end": { "local": "1925-09-14T19:28:23-08:00", "utc": "1925-09-15T03:28:23Z", "ms": -1397853096894.3936 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "1925-09-15", "window": { "start": { "local": "1925-09-15T17:54:14-08:00", "utc": "1925-09-16T01:54:14Z", "ms": -1397772345778.684 }, "end": { "local": "1925-09-15T19:27:19-08:00", "utc": "1925-09-16T03:27:19Z", "ms": -1397766761401.5295 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:06 on Mon 14 Sep to 17:15 on Tue 15 Sep.", "fact": "1925-09-14T23:05:31Z → 1925-09-16T01:15:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:56–19:28 on the 14th, 17:54–19:27 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 93 of 93 minutes on the 14th and 0 of 93 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 2348 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 1925: Monday 14 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": "1925-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-09-14", "confidence": "determinate" } ], "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 1925 falls on Monday 14 September. Trayodaśī runs from 15:06 on Mon 14 Sep to 17:15 on Tue 15 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-09-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/shivaratri?on=1925-09-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15630, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1925-09-15T17:15:06-08:00", "utc": "1925-09-16T01:15:06Z", "ms": -1397774694188.6694 }, "end": { "local": "1925-09-16T18:58:25-08:00", "utc": "1925-09-17T02:58:25Z", "ms": -1397682095415.5205 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1925-09-15T17:15:06-08:00", "utc": "1925-09-16T01:15:06Z", "ms": -1397774694188.6694 }, "end": { "local": "1925-09-16T18:58:25-08:00", "utc": "1925-09-17T02:58:25Z", "ms": -1397682095415.5205 } }, "kaala": "nishita", "days": [ { "local_date": "1925-09-15", "window": { "start": { "local": "1925-09-15T23:19:16-08:00", "utc": "1925-09-16T07:19:16Z", "ms": -1397752844364.3542 }, "end": { "local": "1925-09-16T00:07:16-08:00", "utc": "1925-09-16T08:07:16Z", "ms": -1397749964364.3542 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-09-16", "window": { "start": { "local": "1925-09-16T23:18:55-08:00", "utc": "1925-09-17T07:18:55Z", "ms": -1397666465486.0378 }, "end": { "local": "1925-09-17T00:06:55-08:00", "utc": "1925-09-17T08:06:55Z", "ms": -1397663585486.0378 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:15 on Tue 15 Sep to 18:58 on Wed 16 Sep.", "fact": "1925-09-16T01:15:06Z → 1925-09-17T02:58:25Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:19–00:07 on the 15th, 23:19–00:07 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15630 s" }, { "step": "ruling", "text": "Śivarātri, Tijuana, 1925: Tuesday 15 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-09-15", "confidence": "determinate" } ], "quote": "In Tijuana, Śivarātri 1925 falls on Tuesday 15 September. Caturdaśī runs from 17:15 on Tue 15 Sep to 18:58 on Wed 16 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/tijuana/festivals/1925/shivaratri?on=1925-09-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12818, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1925-09-16T18:58:25-08:00", "utc": "1925-09-17T02:58:25Z", "ms": -1397682095415.5205 }, "end": { "local": "1925-09-17T20:12:16-08:00", "utc": "1925-09-18T04:12:16Z", "ms": -1397591263629.64 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1925-09-16T18:58:25-08:00", "utc": "1925-09-17T02:58:25Z", "ms": -1397682095415.5205 }, "end": { "local": "1925-09-17T20:12:16-08:00", "utc": "1925-09-18T04:12:16Z", "ms": -1397591263629.64 } }, "kaala": "aparahna", "days": [ { "local_date": "1925-09-16", "window": { "start": { "local": "1925-09-16T12:56:39-08:00", "utc": "1925-09-16T20:56:39Z", "ms": -1397703800884.7932 }, "end": { "local": "1925-09-16T15:24:46-08:00", "utc": "1925-09-16T23:24:46Z", "ms": -1397694913529.7163 } }, "covered_min": 0, "window_min": 148, "qualifies": false }, { "local_date": "1925-09-17", "window": { "start": { "local": "1925-09-17T12:56:06-08:00", "utc": "1925-09-17T20:56:06Z", "ms": -1397617433908.7039 }, "end": { "local": "1925-09-17T15:23:50-08:00", "utc": "1925-09-17T23:23:50Z", "ms": -1397608570279.1265 } }, "covered_min": 148, "window_min": 148, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 18:58 on Wed 16 Sep to 20:12 on Thu 17 Sep.", "fact": "1925-09-17T02:58:25Z → 1925-09-18T04:12:16Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 12:57–15:25 on the 16th, 12:56–15:24 on the 17th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 148 minutes on the 16th and 148 of 148 on the 17th.", "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 12818 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Tijuana, 1925: Thursday 17 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-09-17", "confidence": "determinate" } ], "quote": "In Tijuana, Mahālaya Amāvāsyā 1925 falls on Thursday 17 September. Amāvasyā runs from 18:58 on Wed 16 Sep to 20:12 on Thu 17 Sep and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29162, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1925-09-17T20:12:16-08:00", "utc": "1925-09-18T04:12:16Z", "ms": -1397591263629.64 }, "end": { "local": "1925-09-18T20:56:19-08:00", "utc": "1925-09-19T04:56:19Z", "ms": -1397502220530.8928 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1925-09-17T20:12:16-08:00", "utc": "1925-09-18T04:12:16Z", "ms": -1397591263629.64 }, "end": { "local": "1925-09-18T20:56:19-08:00", "utc": "1925-09-19T04:56:19Z", "ms": -1397502220530.8928 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-09-17", "window": { "start": { "local": "1925-09-17T11:18:14-08:00", "utc": "1925-09-17T19:18:14Z", "ms": -1397623305723.4927 }, "end": { "local": "1925-09-17T12:06:14-08:00", "utc": "1925-09-17T20:06:14Z", "ms": -1397620425723.4927 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-09-18", "window": { "start": { "local": "1925-09-18T11:17:53-08:00", "utc": "1925-09-18T19:17:53Z", "ms": -1397536926877.262 }, "end": { "local": "1925-09-18T12:05:53-08:00", "utc": "1925-09-18T20:05:53Z", "ms": -1397534046877.262 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 20:12 on Thu 17 Sep to 20:56 on Fri 18 Sep.", "fact": "1925-09-18T04:12:16Z → 1925-09-19T04:56:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:18–12:06 on the 17th, 11:18–12:06 on the 18th.", "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 17th and 48 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: paraviddha → only-day · margin 29162 s" }, { "step": "ruling", "text": "Navarātrārambha, Tijuana, 1925: Friday 18 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-09-18", "confidence": "determinate" } ], "quote": "In Tijuana, Navarātrārambha (Navratri) 1925 falls on Friday 18 September. Pratipadā runs from 20:12 on Thu 17 Sep to 20:56 on Fri 18 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-09-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30194, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-09-20T21:01:48-08:00", "utc": "1925-09-21T05:01:48Z", "ms": -1397329092452.0085 }, "end": { "local": "1925-09-21T20:28:04-08:00", "utc": "1925-09-22T04:28:04Z", "ms": -1397244716420.8838 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1925-09-20T21:01:48-08:00", "utc": "1925-09-21T05:01:48Z", "ms": -1397329092452.0085 }, "end": { "local": "1925-09-21T20:28:04-08:00", "utc": "1925-09-22T04:28:04Z", "ms": -1397244716420.8838 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-09-20", "window": { "start": { "local": "1925-09-20T11:17:11-08:00", "utc": "1925-09-20T19:17:11Z", "ms": -1397364169096.0479 }, "end": { "local": "1925-09-20T12:05:11-08:00", "utc": "1925-09-20T20:05:11Z", "ms": -1397361289096.0479 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-09-21", "window": { "start": { "local": "1925-09-21T11:16:50-08:00", "utc": "1925-09-21T19:16:50Z", "ms": -1397277790127.5515 }, "end": { "local": "1925-09-21T12:04:50-08:00", "utc": "1925-09-21T20:04:50Z", "ms": -1397274910127.5515 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:02 on Sun 20 Sep to 20:28 on Mon 21 Sep.", "fact": "1925-09-21T05:01:48Z → 1925-09-22T04:28:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:17–12:05 on the 20th, 11:17–12:05 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 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 30194 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Tijuana, 1925: Monday 21 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-09-21", "confidence": "determinate" } ], "quote": "In Tijuana, Vināyaka Caturthī 1925 falls on Monday 21 September. Caturthī runs from 21:02 on Sun 20 Sep to 20:28 on Mon 21 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-09-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-09-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37114, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1925-09-23T18:18:01-08:00", "utc": "1925-09-24T02:18:01Z", "ms": -1397079718962.941 }, "end": { "local": "1925-09-24T16:44:18-08:00", "utc": "1925-09-25T00:44:18Z", "ms": -1396998941852.188 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1925-09-23T18:18:01-08:00", "utc": "1925-09-24T02:18:01Z", "ms": -1397079718962.941 }, "end": { "local": "1925-09-24T16:44:18-08:00", "utc": "1925-09-25T00:44:18Z", "ms": -1396998941852.188 } }, "kaala": "udaya-1", "days": [ { "local_date": "1925-09-23", "window": { "start": { "local": "1925-09-23T05:36:46-08:00", "utc": "1925-09-23T13:36:46Z", "ms": -1397125394152.4348 }, "end": { "local": "1925-09-23T06:25:13-08:00", "utc": "1925-09-23T14:25:13Z", "ms": -1397122487191.949 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-09-24", "window": { "start": { "local": "1925-09-24T05:37:25-08:00", "utc": "1925-09-24T13:37:25Z", "ms": -1397038955343.5232 }, "end": { "local": "1925-09-24T06:25:44-08:00", "utc": "1925-09-24T14:25:44Z", "ms": -1397036056324.73 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 18:18 on Wed 23 Sep to 16:44 on Thu 24 Sep.", "fact": "1925-09-24T02:18:01Z → 1925-09-25T00:44:18Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:37–06:25 on the 23rd, 05:37–06:26 on the 24th.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 37114 s" }, { "step": "ruling", "text": "Durgā Saptamī, Tijuana, 1925: Thursday 24 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise" } ], "kaala": "udaya-1", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-09-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-09-24", "confidence": "determinate" } ], "quote": "In Tijuana, Durgā Saptamī 1925 falls on Thursday 24 September. Saptamī runs from 18:18 on Wed 23 Sep to 16:44 on Thu 24 Sep and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10156, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1925-09-24T16:44:18-08:00", "utc": "1925-09-25T00:44:18Z", "ms": -1396998941852.188 }, "end": { "local": "1925-09-25T14:52:42-08:00", "utc": "1925-09-25T22:52:42Z", "ms": -1396919237696.9822 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1925-09-24T16:44:18-08:00", "utc": "1925-09-25T00:44:18Z", "ms": -1396998941852.188 }, "end": { "local": "1925-09-25T14:52:42-08:00", "utc": "1925-09-25T22:52:42Z", "ms": -1396919237696.9822 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-09-24", "window": { "start": { "local": "1925-09-24T11:15:47-08:00", "utc": "1925-09-24T19:15:47Z", "ms": -1397018652702.5742 }, "end": { "local": "1925-09-24T12:03:47-08:00", "utc": "1925-09-24T20:03:47Z", "ms": -1397015772702.5742 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-09-25", "window": { "start": { "local": "1925-09-25T11:15:27-08:00", "utc": "1925-09-25T19:15:27Z", "ms": -1396932273326.5872 }, "end": { "local": "1925-09-25T12:03:27-08:00", "utc": "1925-09-25T20:03:27Z", "ms": -1396929393326.5872 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 16:44 on Thu 24 Sep to 14:53 on Fri 25 Sep.", "fact": "1925-09-25T00:44:18Z → 1925-09-25T22:52:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:16–12:04 on the 24th, 11:15–12:03 on the 25th.", "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 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10156 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Tijuana, 1925: Friday 25 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-09-25", "confidence": "determinate" } ], "quote": "In Tijuana, Mahāṣṭamī (Durga Ashtami) 1925 falls on Friday 25 September. Aṣṭamī runs from 16:44 on Thu 24 Sep to 14:53 on Fri 25 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2479, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1925-09-25T14:52:42-08:00", "utc": "1925-09-25T22:52:42Z", "ms": -1396919237696.9822 }, "end": { "local": "1925-09-26T12:44:25-08:00", "utc": "1925-09-26T20:44:25Z", "ms": -1396840535104.0554 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1925-09-25T14:52:42-08:00", "utc": "1925-09-25T22:52:42Z", "ms": -1396919237696.9822 }, "end": { "local": "1925-09-26T12:44:25-08:00", "utc": "1925-09-26T20:44:25Z", "ms": -1396840535104.0554 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-09-25", "window": { "start": { "local": "1925-09-25T11:15:27-08:00", "utc": "1925-09-25T19:15:27Z", "ms": -1396932273326.5872 }, "end": { "local": "1925-09-25T12:03:27-08:00", "utc": "1925-09-25T20:03:27Z", "ms": -1396929393326.5872 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-09-26", "window": { "start": { "local": "1925-09-26T11:15:06-08:00", "utc": "1925-09-26T19:15:06Z", "ms": -1396845893800.7659 }, "end": { "local": "1925-09-26T12:03:06-08:00", "utc": "1925-09-26T20:03:06Z", "ms": -1396843013800.7659 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 14:53 on Fri 25 Sep to 12:44 on Sat 26 Sep.", "fact": "1925-09-25T22:52:42Z → 1925-09-26T20:44:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 25th, 11:15–12:03 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2479 s" }, { "step": "ruling", "text": "Mahānavamī, Tijuana, 1925: Saturday 26 September.", "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": "1925-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-09-26", "confidence": "determinate" } ], "quote": "In Tijuana, Mahānavamī 1925 falls on Saturday 26 September. Navamī runs from 14:53 on Fri 25 Sep to 12:44 on Sat 26 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7793, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1925-09-26T12:44:25-08:00", "utc": "1925-09-26T20:44:25Z", "ms": -1396840535104.0554 }, "end": { "local": "1925-09-27T10:21:24-08:00", "utc": "1925-09-27T18:21:24Z", "ms": -1396762716390.7078 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1925-09-27T08:11:30-08:00", "utc": "1925-09-27T16:11:30Z", "ms": -1396770509772.6165 }, "end": { "local": "1925-09-27T10:21:24-08:00", "utc": "1925-09-27T18:21:24Z", "ms": -1396762716390.7078 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1925-09-27T08:11:30-08:00", "utc": "1925-09-27T16:11:30Z", "ms": -1396770509772.6165 }, "end": { "local": "1925-09-28T06:23:18-08:00", "utc": "1925-09-28T14:23:18Z", "ms": -1396690602279.0647 } } }, "kaala": "daytime", "days": [ { "local_date": "1925-09-26", "window": { "start": { "local": "1925-09-26T05:38:43-08:00", "utc": "1925-09-26T13:38:43Z", "ms": -1396866077323.4587 }, "end": { "local": "1925-09-26T17:39:30-08:00", "utc": "1925-09-27T01:39:30Z", "ms": -1396822830278.073 } }, "covered_min": 0, "window_min": 721, "qualifies": false }, { "local_date": "1925-09-27", "window": { "start": { "local": "1925-09-27T05:39:22-08:00", "utc": "1925-09-27T13:39:22Z", "ms": -1396779638088.8198 }, "end": { "local": "1925-09-27T17:38:10-08:00", "utc": "1925-09-28T01:38:10Z", "ms": -1396736510119.152 } }, "covered_min": 130, "window_min": 719, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 12:44 on Sat 26 Sep to 10:21 on Sun 27 Sep, and Śravaṇa from 08:12 on Sun 27 Sep to 06:23 on Mon 28 Sep. They are together from 08:12 on Sun 27 Sep to 10:21 on Sun 27 Sep.", "fact": "1925-09-27T16:11:30Z → 1925-09-27T18:21:24Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 05:39–17:39 on the 26th, 05:39–17:38 on the 27th.", "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 0 of 721 minutes on the 26th and 130 of 719 on the 27th.", "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 7793 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Tijuana, 1925: Sunday 27 September.", "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": "1925-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-09-27", "confidence": "determinate" } ], "quote": "In Tijuana, Vijayā Daśamī (Dussehra) 1925 falls on Sunday 27 September. Daśamī runs from 12:44 on Sat 26 Sep to 10:21 on Sun 27 Sep and is with Śravaṇa in the day time that day, for 130 minutes.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ekadashi?on=1925-09-28", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7604, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-09-27T10:21:24-08:00", "utc": "1925-09-27T18:21:24Z", "ms": -1396762716390.7078 }, "end": { "local": "1925-09-28T07:46:46-08:00", "utc": "1925-09-28T15:46:46Z", "ms": -1396685594353.8118 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1925-09-27T10:21:24-08:00", "utc": "1925-09-27T18:21:24Z", "ms": -1396762716390.7078 }, "end": { "local": "1925-09-28T07:46:46-08:00", "utc": "1925-09-28T15:46:46Z", "ms": -1396685594353.8118 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-09-27", "window": { "start": { "local": "1925-09-27T05:39:22-08:00", "utc": "1925-09-27T13:39:22Z", "ms": -1396779638088.8198 }, "end": { "local": "1925-09-27T05:39:22-08:00", "utc": "1925-09-27T13:39:22Z", "ms": -1396779638088.8198 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-09-28", "window": { "start": { "local": "1925-09-28T05:40:01-08:00", "utc": "1925-09-28T13:40:01Z", "ms": -1396693198686.6128 }, "end": { "local": "1925-09-28T05:40:01-08:00", "utc": "1925-09-28T13:40:01Z", "ms": -1396693198686.6128 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:21 on Sun 27 Sep to 07:47 on Mon 28 Sep.", "fact": "1925-09-27T18:21:24Z → 1925-09-28T15:46:46Z" }, { "step": "kaala", "text": "Sunrise is at 05:39 on the 27th and 05:40 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 27th and is 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 7604 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Tijuana, 1925: Monday 28 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": "1925-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-09-28", "confidence": "determinate" } ], "quote": "In Tijuana, Pāśāṅkuśā Ekādaśī 1925 falls on Monday 28 September. Ekādaśī runs from 10:21 on Sun 27 Sep to 07:47 on Mon 28 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-09-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/pradosha-vrata?on=1925-09-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25789, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-09-29T05:05:01-08:00", "utc": "1925-09-29T13:05:01Z", "ms": -1396608898626.552 }, "end": { "local": "1925-09-30T02:22:07-08:00", "utc": "1925-09-30T10:22:07Z", "ms": -1396532273126.7087 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1925-09-29T05:05:01-08:00", "utc": "1925-09-29T13:05:01Z", "ms": -1396608898626.552 }, "end": { "local": "1925-09-30T02:22:07-08:00", "utc": "1925-09-30T10:22:07Z", "ms": -1396532273126.7087 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-09-28", "window": { "start": { "local": "1925-09-28T17:36:50-08:00", "utc": "1925-09-29T01:36:50Z", "ms": -1396650189741.411 }, "end": { "local": "1925-09-28T19:13:21-08:00", "utc": "1925-09-29T03:13:21Z", "ms": -1396644398989.4426 } }, "covered_min": 0, "window_min": 97, "qualifies": false }, { "local_date": "1925-09-29", "window": { "start": { "local": "1925-09-29T17:35:31-08:00", "utc": "1925-09-30T01:35:31Z", "ms": -1396563869113.4304 }, "end": { "local": "1925-09-29T19:12:18-08:00", "utc": "1925-09-30T03:12:18Z", "ms": -1396558062473.956 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:05 on Tue 29 Sep to 02:22 on Wed 30 Sep.", "fact": "1925-09-29T13:05:01Z → 1925-09-30T10:22:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:37–19:13 on the 28th, 17:36–19:12 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 97 minutes on the 28th and 97 of 97 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 25789 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Tijuana, 1925: Tuesday 29 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": "1925-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-09-29", "confidence": "determinate" } ], "quote": "In Tijuana, Śukla Pradoṣa Vrata 1925 falls on Tuesday 29 September. Trayodaśī runs from 05:05 on Tue 29 Sep to 02:22 on Wed 30 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-09-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8826, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-10-04T17:06:53-08:00", "utc": "1925-10-05T01:06:53Z", "ms": -1396133587258.7942 }, "end": { "local": "1925-10-05T17:03:20-08:00", "utc": "1925-10-06T01:03:20Z", "ms": -1396047399632.3901 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-04T17:06:53-08:00", "utc": "1925-10-05T01:06:53Z", "ms": -1396133587258.7942 }, "end": { "local": "1925-10-05T17:03:20-08:00", "utc": "1925-10-06T01:03:20Z", "ms": -1396047399632.3901 } }, "kaala": "moonrise", "days": [ { "local_date": "1925-10-04", "window": { "start": { "local": "1925-10-04T19:33:59-08:00", "utc": "1925-10-05T03:33:59Z", "ms": -1396124761169.7769 }, "end": { "local": "1925-10-04T19:33:59-08:00", "utc": "1925-10-05T03:33:59Z", "ms": -1396124761169.7769 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-10-05", "window": { "start": { "local": "1925-10-05T20:13:02-08:00", "utc": "1925-10-06T04:13:02Z", "ms": -1396036018351.2324 }, "end": { "local": "1925-10-05T20:13:02-08:00", "utc": "1925-10-06T04:13:02Z", "ms": -1396036018351.2324 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:07 on Sun 4 Oct to 17:03 on Mon 5 Oct.", "fact": "1925-10-05T01:06:53Z → 1925-10-06T01:03:20Z" }, { "step": "kaala", "text": "Moonrise is at 19:34 on the 4th and 20:13 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 4th and is not on the 5th.", "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 8826 s" }, { "step": "ruling", "text": "Karaka Caturthī, Tijuana, 1925: Sunday 4 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": "1925-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-04", "confidence": "determinate" } ], "quote": "In Tijuana, Karaka Caturthī (Karwa Chauth) 1925 falls on Sunday 4 October. Caturthī runs from 17:07 on Sun 4 Oct to 17:03 on Mon 5 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/sankashta-chaturthi?on=1925-10-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8826, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-10-04T17:06:53-08:00", "utc": "1925-10-05T01:06:53Z", "ms": -1396133587258.7942 }, "end": { "local": "1925-10-05T17:03:20-08:00", "utc": "1925-10-06T01:03:20Z", "ms": -1396047399632.3901 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-04T17:06:53-08:00", "utc": "1925-10-05T01:06:53Z", "ms": -1396133587258.7942 }, "end": { "local": "1925-10-05T17:03:20-08:00", "utc": "1925-10-06T01:03:20Z", "ms": -1396047399632.3901 } }, "kaala": "moonrise", "days": [ { "local_date": "1925-10-04", "window": { "start": { "local": "1925-10-04T19:33:59-08:00", "utc": "1925-10-05T03:33:59Z", "ms": -1396124761169.7769 }, "end": { "local": "1925-10-04T19:33:59-08:00", "utc": "1925-10-05T03:33:59Z", "ms": -1396124761169.7769 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-10-05", "window": { "start": { "local": "1925-10-05T20:13:02-08:00", "utc": "1925-10-06T04:13:02Z", "ms": -1396036018351.2324 }, "end": { "local": "1925-10-05T20:13:02-08:00", "utc": "1925-10-06T04:13:02Z", "ms": -1396036018351.2324 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:07 on Sun 4 Oct to 17:03 on Mon 5 Oct.", "fact": "1925-10-05T01:06:53Z → 1925-10-06T01:03:20Z" }, { "step": "kaala", "text": "Moonrise is at 19:34 on the 4th and 20:13 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8826 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Tijuana, 1925: Sunday 4 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": "1925-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-04", "confidence": "determinate" } ], "quote": "In Tijuana, Saṅkaṣṭa Caturthī 1925 falls on Sunday 4 October. Caturthī runs from 17:07 on Sun 4 Oct to 17:03 on Mon 5 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/sankashta-chaturthi?on=1925-10-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2118, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1925-10-08T21:20:50-08:00", "utc": "1925-10-09T05:20:50Z", "ms": -1395772750141.517 }, "end": { "local": "1925-10-09T23:51:08-08:00", "utc": "1925-10-10T07:51:08Z", "ms": -1395677332153.4822 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-08T21:20:50-08:00", "utc": "1925-10-09T05:20:50Z", "ms": -1395772750141.517 }, "end": { "local": "1925-10-09T23:51:08-08:00", "utc": "1925-10-10T07:51:08Z", "ms": -1395677332153.4822 } }, "kaala": "moonrise", "days": [ { "local_date": "1925-10-08", "window": { "start": { "local": "1925-10-08T22:26:01-08:00", "utc": "1925-10-09T06:26:01Z", "ms": -1395768838992.8293 }, "end": { "local": "1925-10-08T22:26:01-08:00", "utc": "1925-10-09T06:26:01Z", "ms": -1395768838992.8293 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-10-09", "window": { "start": { "local": "1925-10-09T23:15:50-08:00", "utc": "1925-10-10T07:15:50Z", "ms": -1395679449801.3186 }, "end": { "local": "1925-10-09T23:15:50-08:00", "utc": "1925-10-10T07:15:50Z", "ms": -1395679449801.3186 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 21:21 on Thu 8 Oct to 23:51 on Fri 9 Oct.", "fact": "1925-10-09T05:20:50Z → 1925-10-10T07:51:08Z" }, { "step": "kaala", "text": "Moonrise is at 22:26 on the 8th and 23:16 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 8th and is on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both moonrises qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 2118 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Tijuana, 1925: Friday 9 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-09", "confidence": "determinate" } ], "quote": "In Tijuana, Ahoyī Aṣṭamī 1925 falls on Friday 9 October. Aṣṭamī runs from 21:21 on Thu 8 Oct to 23:51 on Fri 9 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ekadashi?on=1925-10-13", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2826, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-10-12T05:02:33-08:00", "utc": "1925-10-12T13:02:33Z", "ms": -1395485846509.4595 }, "end": { "local": "1925-10-13T07:13:04-08:00", "utc": "1925-10-13T15:13:04Z", "ms": -1395391616450.1658 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-12T05:02:33-08:00", "utc": "1925-10-12T13:02:33Z", "ms": -1395485846509.4595 }, "end": { "local": "1925-10-13T07:13:04-08:00", "utc": "1925-10-13T15:13:04Z", "ms": -1395391616450.1658 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-10-12", "window": { "start": { "local": "1925-10-12T05:49:40-08:00", "utc": "1925-10-12T13:49:40Z", "ms": -1395483020451.5798 }, "end": { "local": "1925-10-12T05:49:40-08:00", "utc": "1925-10-12T13:49:40Z", "ms": -1395483020451.5798 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-10-13", "window": { "start": { "local": "1925-10-13T05:50:23-08:00", "utc": "1925-10-13T13:50:23Z", "ms": -1395396576713.2344 }, "end": { "local": "1925-10-13T05:50:23-08:00", "utc": "1925-10-13T13:50:23Z", "ms": -1395396576713.2344 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:03 on Mon 12 Oct to 07:13 on Tue 13 Oct.", "fact": "1925-10-12T13:02:33Z → 1925-10-13T15:13:04Z" }, { "step": "kaala", "text": "Sunrise is at 05:50 on the 12th and 05:50 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 12th and is on the 13th.", "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 2826 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Tijuana, 1925: Tuesday 13 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": "1925-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-13", "confidence": "determinate" } ], "quote": "In Tijuana, Ramā Ekādaśī 1925 falls on Tuesday 13 October. Ekādaśī runs from 05:03 on Mon 12 Oct to 07:13 on Tue 13 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-10-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30284, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1925-10-13T07:13:04-08:00", "utc": "1925-10-13T15:13:04Z", "ms": -1395391616450.1658 }, "end": { "local": "1925-10-14T08:51:48-08:00", "utc": "1925-10-14T16:51:48Z", "ms": -1395299292230.6511 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-13T07:13:04-08:00", "utc": "1925-10-13T15:13:04Z", "ms": -1395391616450.1658 }, "end": { "local": "1925-10-14T08:51:48-08:00", "utc": "1925-10-14T16:51:48Z", "ms": -1395299292230.6511 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-10-13", "window": { "start": { "local": "1925-10-13T17:17:44-08:00", "utc": "1925-10-14T01:17:44Z", "ms": -1395355336423.0518 }, "end": { "local": "1925-10-13T18:58:11-08:00", "utc": "1925-10-14T02:58:11Z", "ms": -1395349309247.1025 } }, "covered_min": 100, "window_min": 100, "qualifies": true }, { "local_date": "1925-10-14", "window": { "start": { "local": "1925-10-14T17:16:32-08:00", "utc": "1925-10-15T01:16:32Z", "ms": -1395269008311.633 }, "end": { "local": "1925-10-14T18:57:14-08:00", "utc": "1925-10-15T02:57:14Z", "ms": -1395262965619.1692 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:13 on Tue 13 Oct to 08:52 on Wed 14 Oct.", "fact": "1925-10-13T15:13:04Z → 1925-10-14T16:51:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:18–18:58 on the 13th, 17:17–18:57 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 100 of 100 minutes on the 13th and 0 of 101 on the 14th.", "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 30284 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Tijuana, 1925: Tuesday 13 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-13", "confidence": "determinate" } ], "quote": "In Tijuana, Govatsa Dvādaśī (Vasu Baras) 1925 falls on Tuesday 13 October. Dvādaśī runs from 07:13 on Tue 13 Oct to 08:52 on Wed 14 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26515, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-10-14T08:51:48-08:00", "utc": "1925-10-14T16:51:48Z", "ms": -1395299292230.6511 }, "end": { "local": "1925-10-15T09:53:26-08:00", "utc": "1925-10-15T17:53:26Z", "ms": -1395209194171.6113 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-14T08:51:48-08:00", "utc": "1925-10-14T16:51:48Z", "ms": -1395299292230.6511 }, "end": { "local": "1925-10-15T09:53:26-08:00", "utc": "1925-10-15T17:53:26Z", "ms": -1395209194171.6113 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-10-14", "window": { "start": { "local": "1925-10-14T17:16:32-08:00", "utc": "1925-10-15T01:16:32Z", "ms": -1395269008311.633 }, "end": { "local": "1925-10-14T18:57:14-08:00", "utc": "1925-10-15T02:57:14Z", "ms": -1395262965619.1692 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "1925-10-15", "window": { "start": { "local": "1925-10-15T17:15:21-08:00", "utc": "1925-10-16T01:15:21Z", "ms": -1395182679466.025 }, "end": { "local": "1925-10-15T18:56:19-08:00", "utc": "1925-10-16T02:56:19Z", "ms": -1395176621304.5002 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:52 on Wed 14 Oct to 09:53 on Thu 15 Oct.", "fact": "1925-10-14T16:51:48Z → 1925-10-15T17:53:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:17–18:57 on the 14th, 17:15–18:56 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 101 of 101 minutes on the 14th and 0 of 101 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26515 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Tijuana, 1925: Wednesday 14 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-14", "confidence": "determinate" } ], "quote": "In Tijuana, Yama Dīpadāna 1925 falls on Wednesday 14 October. Trayodaśī runs from 08:52 on Wed 14 Oct to 09:53 on Thu 15 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/pradosha-vrata?on=1925-10-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26515, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-10-14T08:51:48-08:00", "utc": "1925-10-14T16:51:48Z", "ms": -1395299292230.6511 }, "end": { "local": "1925-10-15T09:53:26-08:00", "utc": "1925-10-15T17:53:26Z", "ms": -1395209194171.6113 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-14T08:51:48-08:00", "utc": "1925-10-14T16:51:48Z", "ms": -1395299292230.6511 }, "end": { "local": "1925-10-15T09:53:26-08:00", "utc": "1925-10-15T17:53:26Z", "ms": -1395209194171.6113 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-10-14", "window": { "start": { "local": "1925-10-14T17:16:32-08:00", "utc": "1925-10-15T01:16:32Z", "ms": -1395269008311.633 }, "end": { "local": "1925-10-14T18:57:14-08:00", "utc": "1925-10-15T02:57:14Z", "ms": -1395262965619.1692 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "1925-10-15", "window": { "start": { "local": "1925-10-15T17:15:21-08:00", "utc": "1925-10-16T01:15:21Z", "ms": -1395182679466.025 }, "end": { "local": "1925-10-15T18:56:19-08:00", "utc": "1925-10-16T02:56:19Z", "ms": -1395176621304.5002 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:52 on Wed 14 Oct to 09:53 on Thu 15 Oct.", "fact": "1925-10-14T16:51:48Z → 1925-10-15T17:53:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:17–18:57 on the 14th, 17:15–18:56 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 101 of 101 minutes on the 14th and 0 of 101 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26515 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 1925: Wednesday 14 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": "1925-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-14", "confidence": "determinate" } ], "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 1925 falls on Wednesday 14 October. Trayodaśī runs from 08:52 on Wed 14 Oct to 09:53 on Thu 15 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-10-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/shivaratri?on=1925-10-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35714, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1925-10-15T09:53:26-08:00", "utc": "1925-10-15T17:53:26Z", "ms": -1395209194171.6113 }, "end": { "local": "1925-10-16T10:17:09-08:00", "utc": "1925-10-16T18:17:09Z", "ms": -1395121371477.7354 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-15T09:53:26-08:00", "utc": "1925-10-15T17:53:26Z", "ms": -1395209194171.6113 }, "end": { "local": "1925-10-16T10:17:09-08:00", "utc": "1925-10-16T18:17:09Z", "ms": -1395121371477.7354 } }, "kaala": "nishita", "days": [ { "local_date": "1925-10-14", "window": { "start": { "local": "1925-10-14T23:10:12-08:00", "utc": "1925-10-15T07:10:12Z", "ms": -1395247788214.8936 }, "end": { "local": "1925-10-14T23:58:12-08:00", "utc": "1925-10-15T07:58:12Z", "ms": -1395244908214.8936 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-10-15", "window": { "start": { "local": "1925-10-15T23:09:59-08:00", "utc": "1925-10-16T07:09:59Z", "ms": -1395161401360.3076 }, "end": { "local": "1925-10-15T23:57:59-08:00", "utc": "1925-10-16T07:57:59Z", "ms": -1395158521360.3076 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:53 on Thu 15 Oct to 10:17 on Fri 16 Oct.", "fact": "1925-10-15T17:53:26Z → 1925-10-16T18:17:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:10–23:58 on the 14th, 23:10–23:58 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 35714 s" }, { "step": "ruling", "text": "Śivarātri, Tijuana, 1925: Thursday 15 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": "1925-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-15", "confidence": "determinate" } ], "quote": "In Tijuana, Śivarātri 1925 falls on Thursday 15 October. Caturdaśī runs from 09:53 on Thu 15 Oct to 10:17 on Fri 16 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/tijuana/festivals/1925/shivaratri?on=1925-10-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14494, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1925-10-15T09:53:26-08:00", "utc": "1925-10-15T17:53:26Z", "ms": -1395209194171.6113 }, "end": { "local": "1925-10-16T10:17:09-08:00", "utc": "1925-10-16T18:17:09Z", "ms": -1395121371477.7354 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-15T09:53:26-08:00", "utc": "1925-10-15T17:53:26Z", "ms": -1395209194171.6113 }, "end": { "local": "1925-10-16T10:17:09-08:00", "utc": "1925-10-16T18:17:09Z", "ms": -1395121371477.7354 } }, "kaala": "arunodaya", "days": [ { "local_date": "1925-10-15", "window": { "start": { "local": "1925-10-15T04:11:09-08:00", "utc": "1925-10-15T12:11:09Z", "ms": -1395229730810.6177 }, "end": { "local": "1925-10-15T05:51:52-08:00", "utc": "1925-10-15T13:51:52Z", "ms": -1395223688118.1538 } }, "covered_min": 0, "window_min": 101, "qualifies": false }, { "local_date": "1925-10-16", "window": { "start": { "local": "1925-10-16T04:11:39-08:00", "utc": "1925-10-16T12:11:39Z", "ms": -1395143301416.1152 }, "end": { "local": "1925-10-16T05:52:37-08:00", "utc": "1925-10-16T13:52:37Z", "ms": -1395137243254.5906 } }, "covered_min": 101, "window_min": 101, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:53 on Thu 15 Oct to 10:17 on Fri 16 Oct.", "fact": "1925-10-15T17:53:26Z → 1925-10-16T18:17:09Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:11–05:52 on the 15th, 04:12–05:53 on the 16th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 101 minutes on the 15th and 101 of 101 on the 16th.", "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 14494 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Tijuana, 1925: Friday 16 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-16", "confidence": "determinate" } ], "quote": "In Tijuana, Naraka Caturdaśī (Choti Diwali) 1925 falls on Friday 16 October. Caturdaśī runs from 09:53 on Thu 15 Oct to 10:17 on Fri 16 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25022, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1925-10-16T10:17:09-08:00", "utc": "1925-10-16T18:17:09Z", "ms": -1395121371477.7354 }, "end": { "local": "1925-10-17T10:05:36-08:00", "utc": "1925-10-17T18:05:36Z", "ms": -1395035664082.238 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-16T10:17:09-08:00", "utc": "1925-10-16T18:17:09Z", "ms": -1395121371477.7354 }, "end": { "local": "1925-10-17T10:05:36-08:00", "utc": "1925-10-17T18:05:36Z", "ms": -1395035664082.238 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-10-16", "window": { "start": { "local": "1925-10-16T17:14:10-08:00", "utc": "1925-10-17T01:14:10Z", "ms": -1395096349858.711 }, "end": { "local": "1925-10-16T18:55:24-08:00", "utc": "1925-10-17T02:55:24Z", "ms": -1395090276279.0393 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "1925-10-17", "window": { "start": { "local": "1925-10-17T17:13:01-08:00", "utc": "1925-10-18T01:13:01Z", "ms": -1395010019462.5461 }, "end": { "local": "1925-10-17T18:54:29-08:00", "utc": "1925-10-18T02:54:29Z", "ms": -1395003930519.2144 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 10:17 on Fri 16 Oct to 10:06 on Sat 17 Oct.", "fact": "1925-10-16T18:17:09Z → 1925-10-17T18:05:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–18:55 on the 16th, 17:13–18:54 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 101 of 101 minutes on the 16th and 0 of 101 on the 17th.", "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 25022 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Tijuana, 1925: Friday 16 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-16", "confidence": "determinate" } ], "quote": "In Tijuana, Lakṣmī Pūjā (Diwali) 1925 falls on Friday 16 October. Amāvasyā runs from 10:17 on Fri 16 Oct to 10:06 on Sat 17 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36470, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1925-10-16T10:17:09-08:00", "utc": "1925-10-16T18:17:09Z", "ms": -1395121371477.7354 }, "end": { "local": "1925-10-17T10:05:36-08:00", "utc": "1925-10-17T18:05:36Z", "ms": -1395035664082.238 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-16T10:17:09-08:00", "utc": "1925-10-16T18:17:09Z", "ms": -1395121371477.7354 }, "end": { "local": "1925-10-17T10:05:36-08:00", "utc": "1925-10-17T18:05:36Z", "ms": -1395035664082.238 } }, "kaala": "nishita", "days": [ { "local_date": "1925-10-15", "window": { "start": { "local": "1925-10-15T23:09:59-08:00", "utc": "1925-10-16T07:09:59Z", "ms": -1395161401360.3076 }, "end": { "local": "1925-10-15T23:57:59-08:00", "utc": "1925-10-16T07:57:59Z", "ms": -1395158521360.3076 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-10-16", "window": { "start": { "local": "1925-10-16T23:09:46-08:00", "utc": "1925-10-17T07:09:46Z", "ms": -1395075013934.9424 }, "end": { "local": "1925-10-16T23:57:46-08:00", "utc": "1925-10-17T07:57:46Z", "ms": -1395072133934.9424 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 10:17 on Fri 16 Oct to 10:06 on Sat 17 Oct.", "fact": "1925-10-16T18:17:09Z → 1925-10-17T18:05:36Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:10–23:58 on the 15th, 23:10–23:58 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36470 s" }, { "step": "ruling", "text": "Kālī Pūjā, Tijuana, 1925: Friday 16 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-16", "confidence": "determinate" } ], "quote": "In Tijuana, Kālī Pūjā 1925 falls on Friday 16 October. Amāvasyā runs from 10:17 on Fri 16 Oct to 10:06 on Sat 17 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3815, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1925-10-17T10:05:36-08:00", "utc": "1925-10-17T18:05:36Z", "ms": -1395035664082.238 }, "end": { "local": "1925-10-18T09:23:41-08:00", "utc": "1925-10-18T17:23:41Z", "ms": -1394951778613.8364 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-17T10:05:36-08:00", "utc": "1925-10-17T18:05:36Z", "ms": -1395035664082.238 }, "end": { "local": "1925-10-18T09:23:41-08:00", "utc": "1925-10-18T17:23:41Z", "ms": -1394951778613.8364 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-10-17", "window": { "start": { "local": "1925-10-17T11:09:11-08:00", "utc": "1925-10-17T19:09:11Z", "ms": -1395031848736.8599 }, "end": { "local": "1925-10-17T11:57:11-08:00", "utc": "1925-10-17T19:57:11Z", "ms": -1395028968736.8599 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-10-18", "window": { "start": { "local": "1925-10-18T11:09:00-08:00", "utc": "1925-10-18T19:09:00Z", "ms": -1394945460319.1062 }, "end": { "local": "1925-10-18T11:57:00-08:00", "utc": "1925-10-18T19:57:00Z", "ms": -1394942580319.1062 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 10:06 on Sat 17 Oct to 09:24 on Sun 18 Oct.", "fact": "1925-10-17T18:05:36Z → 1925-10-18T17:23:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 17th, 11:09–11:57 on the 18th.", "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 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: purvaviddha → only-day · margin 3815 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Tijuana, 1925: Saturday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-17", "confidence": "determinate" } ], "quote": "In Tijuana, Govardhana Pūjā 1925 falls on Saturday 17 October. Pratipadā runs from 10:06 on Sat 17 Oct to 09:24 on Sun 18 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25645, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1925-10-17T10:05:36-08:00", "utc": "1925-10-17T18:05:36Z", "ms": -1395035664082.238 }, "end": { "local": "1925-10-18T09:23:41-08:00", "utc": "1925-10-18T17:23:41Z", "ms": -1394951778613.8364 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-17T10:05:36-08:00", "utc": "1925-10-17T18:05:36Z", "ms": -1395035664082.238 }, "end": { "local": "1925-10-18T09:23:41-08:00", "utc": "1925-10-18T17:23:41Z", "ms": -1394951778613.8364 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-10-17", "window": { "start": { "local": "1925-10-17T17:13:01-08:00", "utc": "1925-10-18T01:13:01Z", "ms": -1395010019462.5461 }, "end": { "local": "1925-10-17T18:54:29-08:00", "utc": "1925-10-18T02:54:29Z", "ms": -1395003930519.2144 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "1925-10-18", "window": { "start": { "local": "1925-10-18T17:11:52-08:00", "utc": "1925-10-19T01:11:52Z", "ms": -1394923688250.6538 }, "end": { "local": "1925-10-18T18:53:36-08:00", "utc": "1925-10-19T02:53:36Z", "ms": -1394917584001.8403 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 10:06 on Sat 17 Oct to 09:24 on Sun 18 Oct.", "fact": "1925-10-17T18:05:36Z → 1925-10-18T17:23:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:13–18:54 on the 17th, 17:12–18:54 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 101 of 101 minutes on the 17th and 0 of 102 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25645 s" }, { "step": "ruling", "text": "Bali Pūjā, Tijuana, 1925: Saturday 17 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-17", "confidence": "determinate" } ], "quote": "In Tijuana, Bali Pūjā 1925 falls on Saturday 17 October. Pratipadā runs from 10:06 on Sat 17 Oct to 09:24 on Sun 18 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6318, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1925-10-18T09:23:41-08:00", "utc": "1925-10-18T17:23:41Z", "ms": -1394951778613.8364 }, "end": { "local": "1925-10-19T08:17:20-08:00", "utc": "1925-10-19T16:17:20Z", "ms": -1394869360092.2295 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-18T09:23:41-08:00", "utc": "1925-10-18T17:23:41Z", "ms": -1394951778613.8364 }, "end": { "local": "1925-10-19T08:17:20-08:00", "utc": "1925-10-19T16:17:20Z", "ms": -1394869360092.2295 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-10-18", "window": { "start": { "local": "1925-10-18T11:09:00-08:00", "utc": "1925-10-18T19:09:00Z", "ms": -1394945460319.1062 }, "end": { "local": "1925-10-18T11:57:00-08:00", "utc": "1925-10-18T19:57:00Z", "ms": -1394942580319.1062 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-10-19", "window": { "start": { "local": "1925-10-19T11:08:49-08:00", "utc": "1925-10-19T19:08:49Z", "ms": -1394859071290.4016 }, "end": { "local": "1925-10-19T11:56:49-08:00", "utc": "1925-10-19T19:56:49Z", "ms": -1394856191290.4016 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 09:24 on Sun 18 Oct to 08:17 on Mon 19 Oct.", "fact": "1925-10-18T17:23:41Z → 1925-10-19T16:17:20Z" }, { "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 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 6318 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Tijuana, 1925: Sunday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dvitiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-18", "confidence": "determinate" } ], "quote": "In Tijuana, Yama Dvitīyā (Bhai Dooj) 1925 falls on Sunday 18 October. Dvitīyā runs from 09:24 on Sun 18 Oct to 08:17 on Mon 19 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 981, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1925-10-17T10:05:36-08:00", "utc": "1925-10-17T18:05:36Z", "ms": -1395035664082.238 }, "end": { "local": "1925-10-18T09:23:41-08:00", "utc": "1925-10-18T17:23:41Z", "ms": -1394951778613.8364 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-17T10:05:36-08:00", "utc": "1925-10-17T18:05:36Z", "ms": -1395035664082.238 }, "end": { "local": "1925-10-18T09:23:41-08:00", "utc": "1925-10-18T17:23:41Z", "ms": -1394951778613.8364 } }, "kaala": "purvahna", "days": [ { "local_date": "1925-10-17", "window": { "start": { "local": "1925-10-17T05:53:22-08:00", "utc": "1925-10-17T13:53:22Z", "ms": -1395050798011.1736 }, "end": { "local": "1925-10-17T09:39:55-08:00", "utc": "1925-10-17T17:39:55Z", "ms": -1395037205161.631 } }, "covered_min": 0, "window_min": 227, "qualifies": false }, { "local_date": "1925-10-18", "window": { "start": { "local": "1925-10-18T05:54:08-08:00", "utc": "1925-10-18T13:54:08Z", "ms": -1394964352387.5586 }, "end": { "local": "1925-10-18T09:40:02-08:00", "utc": "1925-10-18T17:40:02Z", "ms": -1394950797675.257 } }, "covered_min": 210, "window_min": 226, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 10:06 on Sat 17 Oct to 09:24 on Sun 18 Oct.", "fact": "1925-10-17T18:05:36Z → 1925-10-18T17:23:41Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:53–09:40 on the 17th, 05:54–09:40 on the 18th.", "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 227 minutes on the 17th and 210 of 226 on the 18th.", "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 981 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Tijuana, 1925: Sunday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-18", "confidence": "determinate" } ], "quote": "In Tijuana, Dyūta Pratipad 1925 falls on Sunday 18 October. Pratipadā runs from 10:06 on Sat 17 Oct to 09:24 on Sun 18 Oct and covers 210 of 226 minutes of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15369, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-10-20T06:52:29-08:00", "utc": "1925-10-20T14:52:29Z", "ms": -1394788050569.4011 }, "end": { "local": "1925-10-21T05:14:28-08:00", "utc": "1925-10-21T13:14:28Z", "ms": -1394707531810.2617 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-20T06:52:29-08:00", "utc": "1925-10-20T14:52:29Z", "ms": -1394788050569.4011 }, "end": { "local": "1925-10-21T05:14:28-08:00", "utc": "1925-10-21T13:14:28Z", "ms": -1394707531810.2617 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-10-20", "window": { "start": { "local": "1925-10-20T11:08:38-08:00", "utc": "1925-10-20T19:08:38Z", "ms": -1394772681638.1914 }, "end": { "local": "1925-10-20T11:56:38-08:00", "utc": "1925-10-20T19:56:38Z", "ms": -1394769801638.1914 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-10-21", "window": { "start": { "local": "1925-10-21T11:08:29-08:00", "utc": "1925-10-21T19:08:29Z", "ms": -1394686291350.1167 }, "end": { "local": "1925-10-21T11:56:29-08:00", "utc": "1925-10-21T19:56:29Z", "ms": -1394683411350.1167 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:52 on Tue 20 Oct to 05:14 on Wed 21 Oct.", "fact": "1925-10-20T14:52:29Z → 1925-10-21T13:14:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 20th, 11:08–11:56 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15369 s" }, { "step": "ruling", "text": "Nāga Caturthī, Tijuana, 1925: Tuesday 20 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-20", "confidence": "determinate" } ], "quote": "In Tijuana, Nāga Caturthī 1925 falls on Tuesday 20 October. Caturthī runs from 06:52 on Tue 20 Oct to 05:14 on Wed 21 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-10-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15369, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-10-20T06:52:29-08:00", "utc": "1925-10-20T14:52:29Z", "ms": -1394788050569.4011 }, "end": { "local": "1925-10-21T05:14:28-08:00", "utc": "1925-10-21T13:14:28Z", "ms": -1394707531810.2617 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-20T06:52:29-08:00", "utc": "1925-10-20T14:52:29Z", "ms": -1394788050569.4011 }, "end": { "local": "1925-10-21T05:14:28-08:00", "utc": "1925-10-21T13:14:28Z", "ms": -1394707531810.2617 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-10-20", "window": { "start": { "local": "1925-10-20T11:08:38-08:00", "utc": "1925-10-20T19:08:38Z", "ms": -1394772681638.1914 }, "end": { "local": "1925-10-20T11:56:38-08:00", "utc": "1925-10-20T19:56:38Z", "ms": -1394769801638.1914 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-10-21", "window": { "start": { "local": "1925-10-21T11:08:29-08:00", "utc": "1925-10-21T19:08:29Z", "ms": -1394686291350.1167 }, "end": { "local": "1925-10-21T11:56:29-08:00", "utc": "1925-10-21T19:56:29Z", "ms": -1394683411350.1167 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:52 on Tue 20 Oct to 05:14 on Wed 21 Oct.", "fact": "1925-10-20T14:52:29Z → 1925-10-21T13:14:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 20th, 11:08–11:56 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15369 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Tijuana, 1925: Tuesday 20 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": "1925-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-20", "confidence": "determinate" } ], "quote": "In Tijuana, Vināyaka Caturthī 1925 falls on Tuesday 20 October. Caturthī runs from 06:52 on Tue 20 Oct to 05:14 on Wed 21 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-10-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27651, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1925-10-22T03:27:29-08:00", "utc": "1925-10-22T11:27:29Z", "ms": -1394627551267.2732 }, "end": { "local": "1925-10-23T01:34:29-08:00", "utc": "1925-10-23T09:34:29Z", "ms": -1394547930946.5933 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-22T03:27:29-08:00", "utc": "1925-10-22T11:27:29Z", "ms": -1394627551267.2732 }, "end": { "local": "1925-10-23T01:34:29-08:00", "utc": "1925-10-23T09:34:29Z", "ms": -1394547930946.5933 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-10-22", "window": { "start": { "local": "1925-10-22T11:08:20-08:00", "utc": "1925-10-22T19:08:20Z", "ms": -1394599900413.759 }, "end": { "local": "1925-10-22T11:56:20-08:00", "utc": "1925-10-22T19:56:20Z", "ms": -1394597020413.759 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-10-23", "window": { "start": { "local": "1925-10-23T11:08:11-08:00", "utc": "1925-10-23T19:08:11Z", "ms": -1394513508816.4043 }, "end": { "local": "1925-10-23T11:56:11-08:00", "utc": "1925-10-23T19:56:11Z", "ms": -1394510628816.4043 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 03:27 on Thu 22 Oct to 01:34 on Fri 23 Oct.", "fact": "1925-10-22T11:27:29Z → 1925-10-23T09:34:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 22nd, 11:08–11:56 on the 23rd.", "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 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27651 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Tijuana, 1925: Thursday 22 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-22", "confidence": "determinate" } ], "quote": "In Tijuana, Sūrya Ṣaṣṭhī (Chhath) 1925 falls on Thursday 22 October. Ṣaṣṭhī runs from 03:27 on Thu 22 Oct to 01:34 on Fri 23 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34869, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1925-10-23T23:37:21-08:00", "utc": "1925-10-24T07:37:21Z", "ms": -1394468559276.1743 }, "end": { "local": "1925-10-24T21:37:12-08:00", "utc": "1925-10-25T05:37:12Z", "ms": -1394389367905.91 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-23T23:37:21-08:00", "utc": "1925-10-24T07:37:21Z", "ms": -1394468559276.1743 }, "end": { "local": "1925-10-24T21:37:12-08:00", "utc": "1925-10-25T05:37:12Z", "ms": -1394389367905.91 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-10-23", "window": { "start": { "local": "1925-10-23T11:08:11-08:00", "utc": "1925-10-23T19:08:11Z", "ms": -1394513508816.4043 }, "end": { "local": "1925-10-23T11:56:11-08:00", "utc": "1925-10-23T19:56:11Z", "ms": -1394510628816.4043 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-10-24", "window": { "start": { "local": "1925-10-24T11:08:03-08:00", "utc": "1925-10-24T19:08:03Z", "ms": -1394427116544.851 }, "end": { "local": "1925-10-24T11:56:03-08:00", "utc": "1925-10-24T19:56:03Z", "ms": -1394424236544.851 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 23:37 on Fri 23 Oct to 21:37 on Sat 24 Oct.", "fact": "1925-10-24T07:37:21Z → 1925-10-25T05:37:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 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": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34869 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Tijuana, 1925: Saturday 24 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-10-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-24", "confidence": "determinate" } ], "quote": "In Tijuana, Gopāṣṭamī 1925 falls on Saturday 24 October. Aṣṭamī runs from 23:37 on Fri 23 Oct to 21:37 on Sat 24 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30145, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1925-10-24T21:37:12-08:00", "utc": "1925-10-25T05:37:12Z", "ms": -1394389367905.91 }, "end": { "local": "1925-10-25T19:35:02-08:00", "utc": "1925-10-26T03:35:02Z", "ms": -1394310298281.0398 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-24T21:37:12-08:00", "utc": "1925-10-25T05:37:12Z", "ms": -1394389367905.91 }, "end": { "local": "1925-10-25T19:35:02-08:00", "utc": "1925-10-26T03:35:02Z", "ms": -1394310298281.0398 } }, "kaala": "purvahna", "days": [ { "local_date": "1925-10-25", "window": { "start": { "local": "1925-10-25T05:59:37-08:00", "utc": "1925-10-25T13:59:37Z", "ms": -1394359222542.066 }, "end": { "local": "1925-10-25T09:41:10-08:00", "utc": "1925-10-25T17:41:10Z", "ms": -1394345929904.2168 } }, "covered_min": 222, "window_min": 222, "qualifies": true }, { "local_date": "1925-10-26", "window": { "start": { "local": "1925-10-26T06:00:26-08:00", "utc": "1925-10-26T14:00:26Z", "ms": -1394272773959.5657 }, "end": { "local": "1925-10-26T09:41:22-08:00", "utc": "1925-10-26T17:41:22Z", "ms": -1394259517935.3704 } }, "covered_min": 0, "window_min": 221, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 21:37 on Sat 24 Oct to 19:35 on Sun 25 Oct.", "fact": "1925-10-25T05:37:12Z → 1925-10-26T03:35:02Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:00–09:41 on the 25th, 06:00–09:41 on the 26th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 222 of 222 minutes on the 25th and 0 of 221 on the 26th.", "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 30145 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Tijuana, 1925: Sunday 25 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-25", "confidence": "determinate" } ], "quote": "In Tijuana, Akṣaya Navamī (Amla Navami) 1925 falls on Sunday 25 October. Navamī runs from 21:37 on Sat 24 Oct to 19:35 on Sun 25 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27545, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1925-10-24T21:37:12-08:00", "utc": "1925-10-25T05:37:12Z", "ms": -1394389367905.91 }, "end": { "local": "1925-10-25T19:35:02-08:00", "utc": "1925-10-26T03:35:02Z", "ms": -1394310298281.0398 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-24T21:37:12-08:00", "utc": "1925-10-25T05:37:12Z", "ms": -1394389367905.91 }, "end": { "local": "1925-10-25T19:35:02-08:00", "utc": "1925-10-26T03:35:02Z", "ms": -1394310298281.0398 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-10-24", "window": { "start": { "local": "1925-10-24T11:08:03-08:00", "utc": "1925-10-24T19:08:03Z", "ms": -1394427116544.851 }, "end": { "local": "1925-10-24T11:56:03-08:00", "utc": "1925-10-24T19:56:03Z", "ms": -1394424236544.851 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-10-25", "window": { "start": { "local": "1925-10-25T11:07:56-08:00", "utc": "1925-10-25T19:07:56Z", "ms": -1394340723585.292 }, "end": { "local": "1925-10-25T11:55:56-08:00", "utc": "1925-10-25T19:55:56Z", "ms": -1394337843585.292 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 21:37 on Sat 24 Oct to 19:35 on Sun 25 Oct.", "fact": "1925-10-25T05:37:12Z → 1925-10-26T03:35:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 24th, 11:08–11:56 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27545 s" }, { "step": "ruling", "text": "Durgā Navamī, Tijuana, 1925: Sunday 25 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-25", "confidence": "determinate" } ], "quote": "In Tijuana, Durgā Navamī 1925 falls on Sunday 25 October. Navamī runs from 21:37 on Sat 24 Oct to 19:35 on Sun 25 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ekadashi?on=1925-10-27", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34198, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-10-26T17:32:15-08:00", "utc": "1925-10-27T01:32:15Z", "ms": -1394231265422.2139 }, "end": { "local": "1925-10-27T15:31:13-08:00", "utc": "1925-10-27T23:31:13Z", "ms": -1394152127020.6064 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-26T17:32:15-08:00", "utc": "1925-10-27T01:32:15Z", "ms": -1394231265422.2139 }, "end": { "local": "1925-10-27T15:31:13-08:00", "utc": "1925-10-27T23:31:13Z", "ms": -1394152127020.6064 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-10-26", "window": { "start": { "local": "1925-10-26T06:00:26-08:00", "utc": "1925-10-26T14:00:26Z", "ms": -1394272773959.5657 }, "end": { "local": "1925-10-26T06:00:26-08:00", "utc": "1925-10-26T14:00:26Z", "ms": -1394272773959.5657 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-10-27", "window": { "start": { "local": "1925-10-27T06:01:15-08:00", "utc": "1925-10-27T14:01:15Z", "ms": -1394186325019.1982 }, "end": { "local": "1925-10-27T06:01:15-08:00", "utc": "1925-10-27T14:01:15Z", "ms": -1394186325019.1982 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:32 on Mon 26 Oct to 15:31 on Tue 27 Oct.", "fact": "1925-10-27T01:32:15Z → 1925-10-27T23:31:13Z" }, { "step": "kaala", "text": "Sunrise is at 06:00 on the 26th and 06:01 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 34198 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Tijuana, 1925: Tuesday 27 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": "1925-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-27", "confidence": "determinate" } ], "quote": "In Tijuana, Prabodhinī Ekādaśī 1925 falls on Tuesday 27 October. Ekādaśī runs from 17:32 on Mon 26 Oct to 15:31 on Tue 27 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-10-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/pradosha-vrata?on=1925-10-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12339, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-10-28T13:35:36-08:00", "utc": "1925-10-28T21:35:36Z", "ms": -1394072664227.4624 }, "end": { "local": "1925-10-29T11:50:23-08:00", "utc": "1925-10-29T19:50:23Z", "ms": -1393992577439.0413 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-28T13:35:36-08:00", "utc": "1925-10-28T21:35:36Z", "ms": -1394072664227.4624 }, "end": { "local": "1925-10-29T11:50:23-08:00", "utc": "1925-10-29T19:50:23Z", "ms": -1393992577439.0413 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-10-28", "window": { "start": { "local": "1925-10-28T17:01:15-08:00", "utc": "1925-10-29T01:01:15Z", "ms": -1394060325140.1396 }, "end": { "local": "1925-10-28T18:45:28-08:00", "utc": "1925-10-29T02:45:28Z", "ms": -1394054071930.7751 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "1925-10-29", "window": { "start": { "local": "1925-10-29T17:00:17-08:00", "utc": "1925-10-30T01:00:17Z", "ms": -1393973983070.01 }, "end": { "local": "1925-10-29T18:44:45-08:00", "utc": "1925-10-30T02:44:45Z", "ms": -1393967715469.1184 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:36 on Wed 28 Oct to 11:50 on Thu 29 Oct.", "fact": "1925-10-28T21:35:36Z → 1925-10-29T19:50:23Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:01–18:45 on the 28th, 17:00–18:45 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 104 of 104 minutes on the 28th and 0 of 104 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12339 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Tijuana, 1925: Wednesday 28 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": "1925-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-28", "confidence": "determinate" } ], "quote": "In Tijuana, Śukla Pradoṣa Vrata 1925 falls on Wednesday 28 October. Trayodaśī runs from 13:36 on Wed 28 Oct to 11:50 on Thu 29 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-10-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2750, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1925-10-30T10:21:42-08:00", "utc": "1925-10-30T18:21:42Z", "ms": -1393911497695.63 }, "end": { "local": "1925-10-31T09:16:27-08:00", "utc": "1925-10-31T17:16:27Z", "ms": -1393829013172.8347 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-30T10:21:42-08:00", "utc": "1925-10-30T18:21:42Z", "ms": -1393911497695.63 }, "end": { "local": "1925-10-31T09:16:27-08:00", "utc": "1925-10-31T17:16:27Z", "ms": -1393829013172.8347 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-10-30", "window": { "start": { "local": "1925-10-30T11:07:32-08:00", "utc": "1925-10-30T19:07:32Z", "ms": -1393908747944.3574 }, "end": { "local": "1925-10-30T11:55:32-08:00", "utc": "1925-10-30T19:55:32Z", "ms": -1393905867944.3574 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-10-31", "window": { "start": { "local": "1925-10-31T11:07:29-08:00", "utc": "1925-10-31T19:07:29Z", "ms": -1393822350539.2034 }, "end": { "local": "1925-10-31T11:55:29-08:00", "utc": "1925-10-31T19:55:29Z", "ms": -1393819470539.2034 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:22 on Fri 30 Oct to 09:16 on Sat 31 Oct.", "fact": "1925-10-30T18:21:42Z → 1925-10-31T17:16:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 30th, 11:07–11:55 on the 31st.", "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 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2750 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Tijuana, 1925: Friday 30 October.", "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": "1925-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-30", "confidence": "boundary" } ], "quote": "In Tijuana, Kārtikī Pūrṇimā 1925 falls on Friday 30 October. Pūrṇimā runs from 10:22 on Fri 30 Oct to 09:16 on Sat 31 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33630, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1925-10-30T10:21:42-08:00", "utc": "1925-10-30T18:21:42Z", "ms": -1393911497695.63 }, "end": { "local": "1925-10-31T09:16:27-08:00", "utc": "1925-10-31T17:16:27Z", "ms": -1393829013172.8347 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1925-10-30T10:21:42-08:00", "utc": "1925-10-30T18:21:42Z", "ms": -1393911497695.63 }, "end": { "local": "1925-10-31T09:16:27-08:00", "utc": "1925-10-31T17:16:27Z", "ms": -1393829013172.8347 } }, "kaala": "nishita", "days": [ { "local_date": "1925-10-29", "window": { "start": { "local": "1925-10-29T23:08:00-08:00", "utc": "1925-10-30T07:08:00Z", "ms": -1393951919566.6663 }, "end": { "local": "1925-10-29T23:56:00-08:00", "utc": "1925-10-30T07:56:00Z", "ms": -1393949039566.6663 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-10-30", "window": { "start": { "local": "1925-10-30T23:07:57-08:00", "utc": "1925-10-31T07:07:57Z", "ms": -1393865522764.9277 }, "end": { "local": "1925-10-30T23:55:57-08:00", "utc": "1925-10-31T07:55:57Z", "ms": -1393862642764.9277 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:22 on Fri 30 Oct to 09:16 on Sat 31 Oct.", "fact": "1925-10-30T18:21:42Z → 1925-10-31T17:16:27Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:08–23:56 on the 29th, 23:08–23:56 on the 30th.", "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 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33630 s" }, { "step": "ruling", "text": "Rāsayātrā, Tijuana, 1925: Friday 30 October.", "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": "1925-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-10-30", "confidence": "determinate" } ], "quote": "In Tijuana, Rāsayātrā 1925 falls on Friday 30 October. Pūrṇimā runs from 10:22 on Fri 30 Oct to 09:16 on Sat 31 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/sankashta-chaturthi?on=1925-11-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34229, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-11-03T09:24:19-08:00", "utc": "1925-11-03T17:24:19Z", "ms": -1393569341467.0728 }, "end": { "local": "1925-11-04T10:46:30-08:00", "utc": "1925-11-04T18:46:30Z", "ms": -1393478009982.9304 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-11-03T09:24:19-08:00", "utc": "1925-11-03T17:24:19Z", "ms": -1393569341467.0728 }, "end": { "local": "1925-11-04T10:46:30-08:00", "utc": "1925-11-04T18:46:30Z", "ms": -1393478009982.9304 } }, "kaala": "moonrise", "days": [ { "local_date": "1925-11-03", "window": { "start": { "local": "1925-11-03T19:30:26-08:00", "utc": "1925-11-04T03:30:26Z", "ms": -1393532973908.245 }, "end": { "local": "1925-11-03T19:30:26-08:00", "utc": "1925-11-04T03:30:26Z", "ms": -1393532973908.245 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-11-04", "window": { "start": { "local": "1925-11-04T20:16:59-08:00", "utc": "1925-11-05T04:16:59Z", "ms": -1393443781456.1104 }, "end": { "local": "1925-11-04T20:16:59-08:00", "utc": "1925-11-05T04:16:59Z", "ms": -1393443781456.1104 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:24 on Tue 3 Nov to 10:47 on Wed 4 Nov.", "fact": "1925-11-03T17:24:19Z → 1925-11-04T18:46:30Z" }, { "step": "kaala", "text": "Moonrise is at 19:30 on the 3rd and 20:17 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34229 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Tijuana, 1925: Tuesday 3 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": "1925-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-11-03", "confidence": "determinate" } ], "quote": "In Tijuana, Saṅkaṣṭa Caturthī 1925 falls on Tuesday 3 November. Caturthī runs from 09:24 on Tue 3 Nov to 10:47 on Wed 4 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/sankashta-chaturthi?on=1925-11-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/ekadashi?on=1925-11-11", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16367, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-11-11T00:36:57-08:00", "utc": "1925-11-11T08:36:57Z", "ms": -1392909783060.467 }, "end": { "local": "1925-11-12T01:42:16-08:00", "utc": "1925-11-12T09:42:16Z", "ms": -1392819464267.7073 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-11-11T00:36:57-08:00", "utc": "1925-11-11T08:36:57Z", "ms": -1392909783060.467 }, "end": { "local": "1925-11-12T01:42:16-08:00", "utc": "1925-11-12T09:42:16Z", "ms": -1392819464267.7073 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-11-11", "window": { "start": { "local": "1925-11-11T06:14:09-08:00", "utc": "1925-11-11T14:14:09Z", "ms": -1392889550712.706 }, "end": { "local": "1925-11-11T06:14:09-08:00", "utc": "1925-11-11T14:14:09Z", "ms": -1392889550712.706 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-11-12", "window": { "start": { "local": "1925-11-12T06:15:03-08:00", "utc": "1925-11-12T14:15:03Z", "ms": -1392803096903.2422 }, "end": { "local": "1925-11-12T06:15:03-08:00", "utc": "1925-11-12T14:15:03Z", "ms": -1392803096903.2422 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:37 on Wed 11 Nov to 01:42 on Thu 12 Nov.", "fact": "1925-11-11T08:36:57Z → 1925-11-12T09:42:16Z" }, { "step": "kaala", "text": "Sunrise is at 06:14 on the 11th and 06:15 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 16367 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Tijuana, 1925: Wednesday 11 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": "1925-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-11-11", "confidence": "determinate" } ], "quote": "In Tijuana, Utpannā Ekādaśī 1925 falls on Wednesday 11 November. Ekādaśī runs from 00:37 on Wed 11 Nov to 01:42 on Thu 12 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-11-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/pradosha-vrata?on=1925-11-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25305, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-11-13T02:02:16-08:00", "utc": "1925-11-13T10:02:16Z", "ms": -1392731864489.31 }, "end": { "local": "1925-11-14T01:37:58-08:00", "utc": "1925-11-14T09:37:58Z", "ms": -1392646921683.3835 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-11-13T02:02:16-08:00", "utc": "1925-11-13T10:02:16Z", "ms": -1392731864489.31 }, "end": { "local": "1925-11-14T01:37:58-08:00", "utc": "1925-11-14T09:37:58Z", "ms": -1392646921683.3835 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-11-12", "window": { "start": { "local": "1925-11-12T16:49:03-08:00", "utc": "1925-11-13T00:49:03Z", "ms": -1392765056730.05 }, "end": { "local": "1925-11-12T18:36:38-08:00", "utc": "1925-11-13T02:36:38Z", "ms": -1392758601556.6328 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "1925-11-13", "window": { "start": { "local": "1925-11-13T16:48:26-08:00", "utc": "1925-11-14T00:48:26Z", "ms": -1392678693897.346 }, "end": { "local": "1925-11-13T18:36:13-08:00", "utc": "1925-11-14T02:36:13Z", "ms": -1392672226553.633 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:02 on Fri 13 Nov to 01:38 on Sat 14 Nov.", "fact": "1925-11-13T10:02:16Z → 1925-11-14T09:37:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:49–18:37 on the 12th, 16:48–18:36 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 108 minutes on the 12th and 108 of 108 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 25305 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 1925: Friday 13 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": "1925-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-11-13", "confidence": "determinate" } ], "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 1925 falls on Friday 13 November. Trayodaśī runs from 02:02 on Fri 13 Nov to 01:38 on Sat 14 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-11-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/shivaratri?on=1925-11-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2237, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1925-11-14T01:37:58-08:00", "utc": "1925-11-14T09:37:58Z", "ms": -1392646921683.3835 }, "end": { "local": "1925-11-15T00:34:05-08:00", "utc": "1925-11-15T08:34:05Z", "ms": -1392564355384.1904 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-11-14T01:37:58-08:00", "utc": "1925-11-14T09:37:58Z", "ms": -1392646921683.3835 }, "end": { "local": "1925-11-15T00:34:05-08:00", "utc": "1925-11-15T08:34:05Z", "ms": -1392564355384.1904 } }, "kaala": "nishita", "days": [ { "local_date": "1925-11-13", "window": { "start": { "local": "1925-11-13T23:08:39-08:00", "utc": "1925-11-14T07:08:39Z", "ms": -1392655881358.4229 }, "end": { "local": "1925-11-13T23:56:39-08:00", "utc": "1925-11-14T07:56:39Z", "ms": -1392653001358.4229 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-11-14", "window": { "start": { "local": "1925-11-14T23:08:48-08:00", "utc": "1925-11-15T07:08:48Z", "ms": -1392569472038.2222 }, "end": { "local": "1925-11-14T23:56:48-08:00", "utc": "1925-11-15T07:56:48Z", "ms": -1392566592038.2222 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:38 on Sat 14 Nov to 00:34 on Sun 15 Nov.", "fact": "1925-11-14T09:37:58Z → 1925-11-15T08:34:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:09–23:57 on the 13th, 23:09–23:57 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 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2237 s" }, { "step": "ruling", "text": "Śivarātri, Tijuana, 1925: Saturday 14 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": "1925-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-11-14", "confidence": "determinate" } ], "quote": "In Tijuana, Śivarātri 1925 falls on Saturday 14 November. Caturdaśī runs from 01:38 on Sat 14 Nov to 00:34 on Sun 15 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/tijuana/festivals/1925/shivaratri?on=1925-11-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-11-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-11-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6559, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-11-18T16:13:50-08:00", "utc": "1925-11-19T00:13:50Z", "ms": -1392248769639.9214 }, "end": { "local": "1925-11-19T13:46:39-08:00", "utc": "1925-11-19T21:46:39Z", "ms": -1392171200998.3596 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-11-18T16:13:50-08:00", "utc": "1925-11-19T00:13:50Z", "ms": -1392248769639.9214 }, "end": { "local": "1925-11-19T13:46:39-08:00", "utc": "1925-11-19T21:46:39Z", "ms": -1392171200998.3596 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-11-18", "window": { "start": { "local": "1925-11-18T11:09:06-08:00", "utc": "1925-11-18T19:09:06Z", "ms": -1392267053570.8784 }, "end": { "local": "1925-11-18T11:57:06-08:00", "utc": "1925-11-18T19:57:06Z", "ms": -1392264173570.8784 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-11-19", "window": { "start": { "local": "1925-11-19T11:09:20-08:00", "utc": "1925-11-19T19:09:20Z", "ms": -1392180640097.9949 }, "end": { "local": "1925-11-19T11:57:20-08:00", "utc": "1925-11-19T19:57:20Z", "ms": -1392177760097.9949 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:14 on Wed 18 Nov to 13:47 on Thu 19 Nov.", "fact": "1925-11-19T00:13:50Z → 1925-11-19T21:46:39Z" }, { "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": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6559 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Tijuana, 1925: Thursday 19 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": "1925-11-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-11-19", "confidence": "determinate" } ], "quote": "In Tijuana, Vināyaka Caturthī 1925 falls on Thursday 19 November. Caturthī runs from 16:14 on Wed 18 Nov to 13:47 on Thu 19 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-11-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 824, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1925-11-19T13:46:39-08:00", "utc": "1925-11-19T21:46:39Z", "ms": -1392171200998.3596 }, "end": { "local": "1925-11-20T11:23:18-08:00", "utc": "1925-11-20T19:23:18Z", "ms": -1392093401580.0627 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-11-19T13:46:39-08:00", "utc": "1925-11-19T21:46:39Z", "ms": -1392171200998.3596 }, "end": { "local": "1925-11-20T11:23:18-08:00", "utc": "1925-11-20T19:23:18Z", "ms": -1392093401580.0627 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-11-19", "window": { "start": { "local": "1925-11-19T11:09:20-08:00", "utc": "1925-11-19T19:09:20Z", "ms": -1392180640097.9949 }, "end": { "local": "1925-11-19T11:57:20-08:00", "utc": "1925-11-19T19:57:20Z", "ms": -1392177760097.9949 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1925-11-20", "window": { "start": { "local": "1925-11-20T11:09:34-08:00", "utc": "1925-11-20T19:09:34Z", "ms": -1392094225815.8242 }, "end": { "local": "1925-11-20T11:57:34-08:00", "utc": "1925-11-20T19:57:34Z", "ms": -1392091345815.8242 } }, "covered_min": 14, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 13:47 on Thu 19 Nov to 11:23 on Fri 20 Nov.", "fact": "1925-11-19T21:46:39Z → 1925-11-20T19:23:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 19th, 11:10–11:58 on the 20th.", "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 19th and 14 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: paraviddha → only-day · margin 824 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Tijuana, 1925: Friday 20 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami-margashirsha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (2nd) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-11-20", "confidence": "determinate" } ], "quote": "In Tijuana, Nāga Pañcamī (Mārgaśīrṣa) 1925 falls on Friday 20 November. Pañcamī runs from 13:47 on Thu 19 Nov to 11:23 on Fri 20 Nov and covers 14 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 824, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1925-11-20T11:23:18-08:00", "utc": "1925-11-20T19:23:18Z", "ms": -1392093401580.0627 }, "end": { "local": "1925-11-21T09:07:53-08:00", "utc": "1925-11-21T17:07:53Z", "ms": -1392015127309.7317 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-11-20T11:23:18-08:00", "utc": "1925-11-20T19:23:18Z", "ms": -1392093401580.0627 }, "end": { "local": "1925-11-21T09:07:53-08:00", "utc": "1925-11-21T17:07:53Z", "ms": -1392015127309.7317 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-11-20", "window": { "start": { "local": "1925-11-20T11:09:34-08:00", "utc": "1925-11-20T19:09:34Z", "ms": -1392094225815.8242 }, "end": { "local": "1925-11-20T11:57:34-08:00", "utc": "1925-11-20T19:57:34Z", "ms": -1392091345815.8242 } }, "covered_min": 34, "window_min": 48, "qualifies": true }, { "local_date": "1925-11-21", "window": { "start": { "local": "1925-11-21T11:09:49-08:00", "utc": "1925-11-21T19:09:49Z", "ms": -1392007810736.1572 }, "end": { "local": "1925-11-21T11:57:49-08:00", "utc": "1925-11-21T19:57:49Z", "ms": -1392004930736.1572 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:23 on Fri 20 Nov to 09:08 on Sat 21 Nov.", "fact": "1925-11-20T19:23:18Z → 1925-11-21T17:07:53Z" }, { "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": "Ṣaṣṭhī must be present during madhyāhna. It covers 34 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 824 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Tijuana, 1925: Friday 20 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "champa-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-11-20", "confidence": "determinate" } ], "quote": "In Tijuana, Campā Ṣaṣṭhī 1925 falls on Friday 20 November. Ṣaṣṭhī runs from 11:23 on Fri 20 Nov to 09:08 on Sat 21 Nov and covers 34 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 824, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1925-11-20T11:23:18-08:00", "utc": "1925-11-20T19:23:18Z", "ms": -1392093401580.0627 }, "end": { "local": "1925-11-21T09:07:53-08:00", "utc": "1925-11-21T17:07:53Z", "ms": -1392015127309.7317 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-11-20T11:23:18-08:00", "utc": "1925-11-20T19:23:18Z", "ms": -1392093401580.0627 }, "end": { "local": "1925-11-21T09:07:53-08:00", "utc": "1925-11-21T17:07:53Z", "ms": -1392015127309.7317 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-11-20", "window": { "start": { "local": "1925-11-20T11:09:34-08:00", "utc": "1925-11-20T19:09:34Z", "ms": -1392094225815.8242 }, "end": { "local": "1925-11-20T11:57:34-08:00", "utc": "1925-11-20T19:57:34Z", "ms": -1392091345815.8242 } }, "covered_min": 34, "window_min": 48, "qualifies": true }, { "local_date": "1925-11-21", "window": { "start": { "local": "1925-11-21T11:09:49-08:00", "utc": "1925-11-21T19:09:49Z", "ms": -1392007810736.1572 }, "end": { "local": "1925-11-21T11:57:49-08:00", "utc": "1925-11-21T19:57:49Z", "ms": -1392004930736.1572 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:23 on Fri 20 Nov to 09:08 on Sat 21 Nov.", "fact": "1925-11-20T19:23:18Z → 1925-11-21T17:07:53Z" }, { "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": "Ṣaṣṭhī must be present during madhyāhna. It covers 34 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 824 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Tijuana, 1925: Friday 20 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-11-20", "confidence": "determinate" } ], "quote": "In Tijuana, Skanda Ṣaṣṭhī 1925 falls on Friday 20 November. Ṣaṣṭhī runs from 11:23 on Fri 20 Nov to 09:08 on Sat 21 Nov and covers 34 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7317, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1925-11-21T09:07:53-08:00", "utc": "1925-11-21T17:07:53Z", "ms": -1392015127309.7317 }, "end": { "local": "1925-11-22T07:03:08-08:00", "utc": "1925-11-22T15:03:08Z", "ms": -1391936211993.9775 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-11-21T09:07:53-08:00", "utc": "1925-11-21T17:07:53Z", "ms": -1392015127309.7317 }, "end": { "local": "1925-11-22T07:03:08-08:00", "utc": "1925-11-22T15:03:08Z", "ms": -1391936211993.9775 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-11-21", "window": { "start": { "local": "1925-11-21T11:09:49-08:00", "utc": "1925-11-21T19:09:49Z", "ms": -1392007810736.1572 }, "end": { "local": "1925-11-21T11:57:49-08:00", "utc": "1925-11-21T19:57:49Z", "ms": -1392004930736.1572 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-11-22", "window": { "start": { "local": "1925-11-22T11:10:05-08:00", "utc": "1925-11-22T19:10:05Z", "ms": -1391921394870.6885 }, "end": { "local": "1925-11-22T11:58:05-08:00", "utc": "1925-11-22T19:58:05Z", "ms": -1391918514870.6885 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 09:08 on Sat 21 Nov to 07:03 on Sun 22 Nov.", "fact": "1925-11-21T17:07:53Z → 1925-11-22T15:03:08Z" }, { "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": "Saptamī 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7317 s" }, { "step": "ruling", "text": "Mitra Saptamī, Tijuana, 1925: Saturday 21 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mitra-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Mitra saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1925-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-11-21", "confidence": "determinate" } ], "quote": "In Tijuana, Mitra Saptamī 1925 falls on Saturday 21 November. Saptamī runs from 09:08 on Sat 21 Nov to 07:03 on Sun 22 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/ekadashi?on=1925-11-25", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15499, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-11-25T02:08:26-08:00", "utc": "1925-11-25T10:08:26Z", "ms": -1391694693842.44 }, "end": { "local": "1925-11-26T01:01:04-08:00", "utc": "1925-11-26T09:01:04Z", "ms": -1391612335828.3015 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-11-25T02:08:26-08:00", "utc": "1925-11-25T10:08:26Z", "ms": -1391694693842.44 }, "end": { "local": "1925-11-26T01:01:04-08:00", "utc": "1925-11-26T09:01:04Z", "ms": -1391612335828.3015 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-11-25", "window": { "start": { "local": "1925-11-25T06:26:45-08:00", "utc": "1925-11-25T14:26:45Z", "ms": -1391679194550.2104 }, "end": { "local": "1925-11-25T06:26:45-08:00", "utc": "1925-11-25T14:26:45Z", "ms": -1391679194550.2104 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-11-26", "window": { "start": { "local": "1925-11-26T06:27:38-08:00", "utc": "1925-11-26T14:27:38Z", "ms": -1391592741590.6304 }, "end": { "local": "1925-11-26T06:27:38-08:00", "utc": "1925-11-26T14:27:38Z", "ms": -1391592741590.6304 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:08 on Wed 25 Nov to 01:01 on Thu 26 Nov.", "fact": "1925-11-25T10:08:26Z → 1925-11-26T09:01:04Z" }, { "step": "kaala", "text": "Sunrise is at 06:27 on the 25th and 06:28 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15499 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Tijuana, 1925: Wednesday 25 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": "1925-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-11-25", "confidence": "determinate" } ], "quote": "In Tijuana, Mokṣadā Ekādaśī 1925 falls on Wednesday 25 November. Ekādaśī runs from 02:08 on Wed 25 Nov to 01:01 on Thu 26 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-11-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36612, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1925-11-26T01:01:04-08:00", "utc": "1925-11-26T09:01:04Z", "ms": -1391612335828.3015 }, "end": { "local": "1925-11-27T00:12:24-08:00", "utc": "1925-11-27T08:12:24Z", "ms": -1391528856107.7478 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-11-26T01:01:04-08:00", "utc": "1925-11-26T09:01:04Z", "ms": -1391612335828.3015 }, "end": { "local": "1925-11-27T00:12:24-08:00", "utc": "1925-11-27T08:12:24Z", "ms": -1391528856107.7478 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-11-26", "window": { "start": { "local": "1925-11-26T11:11:16-08:00", "utc": "1925-11-26T19:11:16Z", "ms": -1391575723780.8672 }, "end": { "local": "1925-11-26T11:59:16-08:00", "utc": "1925-11-26T19:59:16Z", "ms": -1391572843780.8672 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-11-27", "window": { "start": { "local": "1925-11-27T11:11:36-08:00", "utc": "1925-11-27T19:11:36Z", "ms": -1391489304159.8464 }, "end": { "local": "1925-11-27T11:59:36-08:00", "utc": "1925-11-27T19:59:36Z", "ms": -1391486424159.8464 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:01 on Thu 26 Nov to 00:12 on Fri 27 Nov.", "fact": "1925-11-26T09:01:04Z → 1925-11-27T08:12:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:11–11:59 on the 26th, 11:12–12:00 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36612 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Tijuana, 1925: Thursday 26 November.", "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": "1925-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-11-26", "confidence": "determinate" } ], "quote": "In Tijuana, Akhaṇḍa Dvādaśī 1925 falls on Thursday 26 November. Dvādaśī runs from 01:01 on Thu 26 Nov to 00:12 on Fri 27 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/pradosha-vrata?on=1925-11-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18752, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-11-27T00:12:24-08:00", "utc": "1925-11-27T08:12:24Z", "ms": -1391528856107.7478 }, "end": { "local": "1925-11-27T23:45:27-08:00", "utc": "1925-11-28T07:45:27Z", "ms": -1391444073184.8462 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-11-27T00:12:24-08:00", "utc": "1925-11-27T08:12:24Z", "ms": -1391528856107.7478 }, "end": { "local": "1925-11-27T23:45:27-08:00", "utc": "1925-11-28T07:45:27Z", "ms": -1391444073184.8462 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-11-26", "window": { "start": { "local": "1925-11-26T16:42:54-08:00", "utc": "1925-11-27T00:42:54Z", "ms": -1391555825971.104 }, "end": { "local": "1925-11-26T18:32:59-08:00", "utc": "1925-11-27T02:32:59Z", "ms": -1391549221037.726 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "1925-11-27", "window": { "start": { "local": "1925-11-27T16:42:41-08:00", "utc": "1925-11-28T00:42:41Z", "ms": -1391469439348.924 }, "end": { "local": "1925-11-27T18:32:54-08:00", "utc": "1925-11-28T02:32:54Z", "ms": -1391462825666.069 } }, "covered_min": 110, "window_min": 110, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:12 on Fri 27 Nov to 23:45 on Fri 27 Nov.", "fact": "1925-11-27T08:12:24Z → 1925-11-28T07:45:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:43–18:33 on the 26th, 16:43–18:33 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 110 minutes on the 26th and 110 of 110 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18752 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Tijuana, 1925: Friday 27 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": "1925-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-11-27", "confidence": "determinate" } ], "quote": "In Tijuana, Śukla Pradoṣa Vrata 1925 falls on Friday 27 November. Trayodaśī runs from 00:12 on Fri 27 Nov to 23:45 on Fri 27 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-11-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-11-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18654, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1925-11-28T23:43:45-08:00", "utc": "1925-11-29T07:43:45Z", "ms": -1391357774803.3474 }, "end": { "local": "1925-11-30T00:10:51-08:00", "utc": "1925-11-30T08:10:51Z", "ms": -1391269749287.44 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-11-28T23:43:45-08:00", "utc": "1925-11-29T07:43:45Z", "ms": -1391357774803.3474 }, "end": { "local": "1925-11-30T00:10:51-08:00", "utc": "1925-11-30T08:10:51Z", "ms": -1391269749287.44 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-11-28", "window": { "start": { "local": "1925-11-28T16:42:29-08:00", "utc": "1925-11-29T00:42:29Z", "ms": -1391383050920.9817 }, "end": { "local": "1925-11-28T18:32:51-08:00", "utc": "1925-11-29T02:32:51Z", "ms": -1391376428784.5479 } }, "covered_min": 0, "window_min": 110, "qualifies": false }, { "local_date": "1925-11-29", "window": { "start": { "local": "1925-11-29T16:42:19-08:00", "utc": "1925-11-30T00:42:19Z", "ms": -1391296660677.9478 }, "end": { "local": "1925-11-29T18:32:50-08:00", "utc": "1925-11-30T02:32:50Z", "ms": -1391290030390.292 } }, "covered_min": 111, "window_min": 111, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:44 on Sat 28 Nov to 00:11 on Mon 30 Nov.", "fact": "1925-11-29T07:43:45Z → 1925-11-30T08:10:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:42–18:33 on the 28th, 16:42–18:33 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 110 minutes on the 28th and 111 of 111 on the 29th.", "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 18654 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Tijuana, 1925: Sunday 29 November.", "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": "1925-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-11-29", "confidence": "determinate" } ], "quote": "In Tijuana, Dattātreyotpatti (Datta Jayanti) 1925 falls on Sunday 29 November. Pūrṇimā runs from 23:44 on Sat 28 Nov to 00:11 on Mon 30 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/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": "/tijuana/festivals/1925/sankashta-chaturthi?on=1925-12-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35085, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-12-03T04:42:07-08:00", "utc": "1925-12-03T12:42:07Z", "ms": -1390994272709.3416 }, "end": { "local": "1925-12-04T07:08:38-08:00", "utc": "1925-12-04T15:08:38Z", "ms": -1390899082073.1946 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-12-03T04:42:07-08:00", "utc": "1925-12-03T12:42:07Z", "ms": -1390994272709.3416 }, "end": { "local": "1925-12-04T07:08:38-08:00", "utc": "1925-12-04T15:08:38Z", "ms": -1390899082073.1946 } }, "kaala": "moonrise", "days": [ { "local_date": "1925-12-02", "window": { "start": { "local": "1925-12-02T18:57:22-08:00", "utc": "1925-12-03T02:57:22Z", "ms": -1391029357773.319 }, "end": { "local": "1925-12-02T18:57:22-08:00", "utc": "1925-12-03T02:57:22Z", "ms": -1391029357773.319 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-12-03", "window": { "start": { "local": "1925-12-03T19:48:19-08:00", "utc": "1925-12-04T03:48:19Z", "ms": -1390939900823.9895 }, "end": { "local": "1925-12-03T19:48:19-08:00", "utc": "1925-12-04T03:48:19Z", "ms": -1390939900823.9895 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:42 on Thu 3 Dec to 07:09 on Fri 4 Dec.", "fact": "1925-12-03T12:42:07Z → 1925-12-04T15:08:38Z" }, { "step": "kaala", "text": "Moonrise is at 18:57 on the 2nd and 19:48 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35085 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Tijuana, 1925: Thursday 3 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": "1925-12-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-12-03", "confidence": "determinate" } ], "quote": "In Tijuana, Saṅkaṣṭa Caturthī 1925 falls on Thursday 3 December. Caturthī runs from 04:42 on Thu 3 Dec to 07:09 on Fri 4 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/sankashta-chaturthi?on=1925-12-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/ekadashi?on=1925-12-11", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41553, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-12-10T19:07:17-08:00", "utc": "1925-12-11T03:07:17Z", "ms": -1390337563005.3337 }, "end": { "local": "1925-12-11T18:53:46-08:00", "utc": "1925-12-12T02:53:46Z", "ms": -1390251974045.3564 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-12-10T19:07:17-08:00", "utc": "1925-12-11T03:07:17Z", "ms": -1390337563005.3337 }, "end": { "local": "1925-12-11T18:53:46-08:00", "utc": "1925-12-12T02:53:46Z", "ms": -1390251974045.3564 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-12-11", "window": { "start": { "local": "1925-12-11T06:39:50-08:00", "utc": "1925-12-11T14:39:50Z", "ms": -1390296010041.5225 }, "end": { "local": "1925-12-11T06:39:50-08:00", "utc": "1925-12-11T14:39:50Z", "ms": -1390296010041.5225 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1925-12-12", "window": { "start": { "local": "1925-12-12T06:40:33-08:00", "utc": "1925-12-12T14:40:33Z", "ms": -1390209567386.266 }, "end": { "local": "1925-12-12T06:40:33-08:00", "utc": "1925-12-12T14:40:33Z", "ms": -1390209567386.266 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:07 on Thu 10 Dec to 18:54 on Fri 11 Dec.", "fact": "1925-12-11T03:07:17Z → 1925-12-12T02:53:46Z" }, { "step": "kaala", "text": "Sunrise is at 06:40 on the 11th and 06:41 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 41553 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Tijuana, 1925: Friday 11 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": "1925-12-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-12-11", "confidence": "determinate" } ], "quote": "In Tijuana, Saphalā Ekādaśī 1925 falls on Friday 11 December. Ekādaśī runs from 19:07 on Thu 10 Dec to 18:54 on Fri 11 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-12-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/pradosha-vrata?on=1925-12-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2090, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-12-12T17:52:22-08:00", "utc": "1925-12-13T01:52:22Z", "ms": -1390169257937.4026 }, "end": { "local": "1925-12-13T16:08:25-08:00", "utc": "1925-12-14T00:08:25Z", "ms": -1390089094759.6938 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-12-12T17:52:22-08:00", "utc": "1925-12-13T01:52:22Z", "ms": -1390169257937.4026 }, "end": { "local": "1925-12-13T16:08:25-08:00", "utc": "1925-12-14T00:08:25Z", "ms": -1390089094759.6938 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-12-12", "window": { "start": { "local": "1925-12-12T16:42:59-08:00", "utc": "1925-12-13T00:42:59Z", "ms": -1390173420930.3142 }, "end": { "local": "1925-12-12T18:34:45-08:00", "utc": "1925-12-13T02:34:45Z", "ms": -1390166714906.631 } }, "covered_min": 42, "window_min": 112, "qualifies": true }, { "local_date": "1925-12-13", "window": { "start": { "local": "1925-12-13T16:43:15-08:00", "utc": "1925-12-14T00:43:15Z", "ms": -1390087005239.4463 }, "end": { "local": "1925-12-13T18:35:04-08:00", "utc": "1925-12-14T02:35:04Z", "ms": -1390080295899.3298 } }, "covered_min": 0, "window_min": 112, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:52 on Sat 12 Dec to 16:08 on Sun 13 Dec.", "fact": "1925-12-13T01:52:22Z → 1925-12-14T00:08:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:43–18:35 on the 12th, 16:43–18:35 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 42 of 112 minutes on the 12th and 0 of 112 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 2090 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 1925: Saturday 12 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": "1925-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-12-12", "confidence": "determinate" } ], "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 1925 falls on Saturday 12 December. Trayodaśī runs from 17:52 on Sat 12 Dec to 16:08 on Sun 13 Dec and covers 42 of 112 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-12-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/shivaratri?on=1925-12-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25810, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1925-12-13T16:08:25-08:00", "utc": "1925-12-14T00:08:25Z", "ms": -1390089094759.6938 }, "end": { "local": "1925-12-14T13:49:35-08:00", "utc": "1925-12-14T21:49:35Z", "ms": -1390011025205.9626 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-12-13T16:08:25-08:00", "utc": "1925-12-14T00:08:25Z", "ms": -1390089094759.6938 }, "end": { "local": "1925-12-14T13:49:35-08:00", "utc": "1925-12-14T21:49:35Z", "ms": -1390011025205.9626 } }, "kaala": "nishita", "days": [ { "local_date": "1925-12-13", "window": { "start": { "local": "1925-12-13T23:18:35-08:00", "utc": "1925-12-14T07:18:35Z", "ms": -1390063285214.0098 }, "end": { "local": "1925-12-14T00:06:35-08:00", "utc": "1925-12-14T08:06:35Z", "ms": -1390060405214.0098 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-12-14", "window": { "start": { "local": "1925-12-14T23:19:03-08:00", "utc": "1925-12-15T07:19:03Z", "ms": -1389976856779.9507 }, "end": { "local": "1925-12-15T00:07:03-08:00", "utc": "1925-12-15T08:07:03Z", "ms": -1389973976779.9507 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:08 on Sun 13 Dec to 13:50 on Mon 14 Dec.", "fact": "1925-12-14T00:08:25Z → 1925-12-14T21:49:35Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:19–00:07 on the 13th, 23:19–00:07 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 25810 s" }, { "step": "ruling", "text": "Śivarātri, Tijuana, 1925: Sunday 13 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": "1925-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-12-13", "confidence": "determinate" } ], "quote": "In Tijuana, Śivarātri 1925 falls on Sunday 13 December. Caturdaśī runs from 16:08 on Sun 13 Dec to 13:50 on Mon 14 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/tijuana/festivals/1925/shivaratri?on=1925-12-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-12-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34367, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1925-12-18T01:47:55-08:00", "utc": "1925-12-18T09:47:55Z", "ms": -1389708724807.894 }, "end": { "local": "1925-12-18T22:50:18-08:00", "utc": "1925-12-19T06:50:18Z", "ms": -1389632981678.5662 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-12-18T01:47:55-08:00", "utc": "1925-12-18T09:47:55Z", "ms": -1389708724807.894 }, "end": { "local": "1925-12-18T22:50:18-08:00", "utc": "1925-12-19T06:50:18Z", "ms": -1389632981678.5662 } }, "kaala": "madhyahna", "days": [ { "local_date": "1925-12-18", "window": { "start": { "local": "1925-12-18T11:20:42-08:00", "utc": "1925-12-18T19:20:42Z", "ms": -1389674357983.8796 }, "end": { "local": "1925-12-18T12:08:42-08:00", "utc": "1925-12-18T20:08:42Z", "ms": -1389671477983.8796 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1925-12-19", "window": { "start": { "local": "1925-12-19T11:21:12-08:00", "utc": "1925-12-19T19:21:12Z", "ms": -1389587927912.9458 }, "end": { "local": "1925-12-19T12:09:12-08:00", "utc": "1925-12-19T20:09:12Z", "ms": -1389585047912.9458 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:48 on Fri 18 Dec to 22:50 on Fri 18 Dec.", "fact": "1925-12-18T09:47:55Z → 1925-12-19T06:50:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 18th, 11:21–12:09 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 34367 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Tijuana, 1925: Friday 18 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": "1925-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-12-18", "confidence": "determinate" } ], "quote": "In Tijuana, Vināyaka Caturthī 1925 falls on Friday 18 December. Caturthī runs from 01:48 on Fri 18 Dec to 22:50 on Fri 18 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/tijuana/festivals/1925/vinayaka-chaturthi?on=1925-12-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/ekadashi?on=1925-12-25", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22740, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1925-12-24T13:06:32-08:00", "utc": "1925-12-24T21:06:32Z", "ms": -1389149608481.861 }, "end": { "local": "1925-12-25T13:10:01-08:00", "utc": "1925-12-25T21:10:01Z", "ms": -1389062998663.1836 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-12-24T13:06:32-08:00", "utc": "1925-12-24T21:06:32Z", "ms": -1389149608481.861 }, "end": { "local": "1925-12-25T13:10:01-08:00", "utc": "1925-12-25T21:10:01Z", "ms": -1389062998663.1836 } }, "kaala": "sunrise", "days": [ { "local_date": "1925-12-24", "window": { "start": { "local": "1925-12-24T06:47:31-08:00", "utc": "1925-12-24T14:47:31Z", "ms": -1389172348707.7913 }, "end": { "local": "1925-12-24T06:47:31-08:00", "utc": "1925-12-24T14:47:31Z", "ms": -1389172348707.7913 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1925-12-25", "window": { "start": { "local": "1925-12-25T06:47:57-08:00", "utc": "1925-12-25T14:47:57Z", "ms": -1389085922886.5586 }, "end": { "local": "1925-12-25T06:47:57-08:00", "utc": "1925-12-25T14:47:57Z", "ms": -1389085922886.5586 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:07 on Thu 24 Dec to 13:10 on Fri 25 Dec.", "fact": "1925-12-24T21:06:32Z → 1925-12-25T21:10:01Z" }, { "step": "kaala", "text": "Sunrise is at 06:48 on the 24th and 06:48 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22740 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Tijuana, 1925: Friday 25 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": "1925-12-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-12-25", "confidence": "determinate" } ], "quote": "In Tijuana, Putradā Ekādaśī 1925 falls on Friday 25 December. Ekādaśī runs from 13:07 on Thu 24 Dec to 13:10 on Fri 25 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/tijuana/festivals/1925/ekadashi?on=1925-12-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/tijuana/festivals/1925/pradosha-vrata?on=1925-12-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "3981609", "year": 1925, "local_date": "1925-12-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7620, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1925-12-26T13:42:25-08:00", "utc": "1925-12-26T21:42:25Z", "ms": -1388974654693.8726 }, "end": { "local": "1925-12-27T14:42:43-08:00", "utc": "1925-12-27T22:42:43Z", "ms": -1388884637391.325 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1925-12-26T13:42:25-08:00", "utc": "1925-12-26T21:42:25Z", "ms": -1388974654693.8726 }, "end": { "local": "1925-12-27T14:42:43-08:00", "utc": "1925-12-27T22:42:43Z", "ms": -1388884637391.325 } }, "kaala": "pradosha", "days": [ { "local_date": "1925-12-26", "window": { "start": { "local": "1925-12-26T16:49:05-08:00", "utc": "1925-12-27T00:49:05Z", "ms": -1388963454581.563 }, "end": { "local": "1925-12-26T18:41:03-08:00", "utc": "1925-12-27T02:41:03Z", "ms": -1388956737428.6548 } }, "covered_min": 112, "window_min": 112, "qualifies": true }, { "local_date": "1925-12-27", "window": { "start": { "local": "1925-12-27T16:49:43-08:00", "utc": "1925-12-28T00:49:43Z", "ms": -1388877017459.3408 }, "end": { "local": "1925-12-27T18:41:38-08:00", "utc": "1925-12-28T02:41:38Z", "ms": -1388870302445.1396 } }, "covered_min": 0, "window_min": 112, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:42 on Sat 26 Dec to 14:43 on Sun 27 Dec.", "fact": "1925-12-26T21:42:25Z → 1925-12-27T22:42:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 16:49–18:41 on the 26th, 16:50–18:42 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 112 of 112 minutes on the 26th and 0 of 112 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7620 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Tijuana, 1925: Saturday 26 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": "1925-12-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1925-12-26", "confidence": "determinate" } ], "quote": "In Tijuana, Śukla Pradoṣa Vrata 1925 falls on Saturday 26 December. Trayodaśī runs from 13:42 on Sat 26 Dec to 14:43 on Sun 27 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/tijuana/festivals/1925/pradosha-vrata?on=1925-12-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }