{
  "id": "/tijuana/festivals/2017",
  "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": 2017,
  "tradition": "smarta",
  "method": "pac-rp@2026.1",
  "ruleset": "2026.3-draft",
  "rulings": [
    {
      "id": "/tijuana/festivals/2017/vinayaka-chaturthi?on=2017-01-01",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-01-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32850,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-01-01T02:03:29-08:00",
          "utc": "2017-01-01T10:03:29Z",
          "ms": 1483265009079.3042
        },
        "end": {
          "local": "2017-01-02T02:20:52-08:00",
          "utc": "2017-01-02T10:20:52Z",
          "ms": 1483352452312.611
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-01-01T02:03:29-08:00",
          "utc": "2017-01-01T10:03:29Z",
          "ms": 1483265009079.3042
        },
        "end": {
          "local": "2017-01-02T02:20:52-08:00",
          "utc": "2017-01-02T10:20:52Z",
          "ms": 1483352452312.611
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-01-01",
          "window": {
            "start": {
              "local": "2017-01-01T11:27:54-08:00",
              "utc": "2017-01-01T19:27:54Z",
              "ms": 1483298873581.4595
            },
            "end": {
              "local": "2017-01-01T12:15:54-08:00",
              "utc": "2017-01-01T20:15:54Z",
              "ms": 1483301753581.4595
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-01-02",
          "window": {
            "start": {
              "local": "2017-01-02T11:28:22-08:00",
              "utc": "2017-01-02T19:28:22Z",
              "ms": 1483385301821.3872
            },
            "end": {
              "local": "2017-01-02T12:16:22-08:00",
              "utc": "2017-01-02T20:16:22Z",
              "ms": 1483388181821.3872
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 02:03 on Sun 1 Jan to 02:21 on Mon 2 Jan.",
          "fact": "2017-01-01T10:03:29Z → 2017-01-02T10:20:52Z"
        },
        {
          "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 32850 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Tijuana, 2017: Sunday 1 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-01-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-01-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Vināyaka Caturthī 2017 falls on Sunday 1 January. Caturthī runs from 02:03 on Sun 1 Jan to 02:21 on Mon 2 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/vinayaka-chaturthi?on=2017-01-01",
      "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/2017/ekadashi?on=2017-01-08",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-01-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31352,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-01-07T18:22:36-08:00",
          "utc": "2017-01-08T02:22:36Z",
          "ms": 1483842155854.0513
        },
        "end": {
          "local": "2017-01-08T15:33:24-08:00",
          "utc": "2017-01-08T23:33:24Z",
          "ms": 1483918403951.4558
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-01-07T18:22:36-08:00",
          "utc": "2017-01-08T02:22:36Z",
          "ms": 1483842155854.0513
        },
        "end": {
          "local": "2017-01-08T15:33:24-08:00",
          "utc": "2017-01-08T23:33:24Z",
          "ms": 1483918403951.4558
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-01-07",
          "window": {
            "start": {
              "local": "2017-01-07T06:50:51-08:00",
              "utc": "2017-01-07T14:50:51Z",
              "ms": 1483800651446.6697
            },
            "end": {
              "local": "2017-01-07T06:50:51-08:00",
              "utc": "2017-01-07T14:50:51Z",
              "ms": 1483800651446.6697
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-01-08",
          "window": {
            "start": {
              "local": "2017-01-08T06:50:52-08:00",
              "utc": "2017-01-08T14:50:52Z",
              "ms": 1483887052061.1497
            },
            "end": {
              "local": "2017-01-08T06:50:52-08:00",
              "utc": "2017-01-08T14:50:52Z",
              "ms": 1483887052061.1497
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 18:23 on Sat 7 Jan to 15:33 on Sun 8 Jan.",
          "fact": "2017-01-08T02:22:36Z → 2017-01-08T23:33:24Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:51 on the 7th and 06:51 on the 8th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 7th and is on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 31352 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Tijuana, 2017: Sunday 8 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": "2017-01-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-01-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Putradā Ekādaśī 2017 falls on Sunday 8 January. Ekādaśī runs from 18:23 on Sat 7 Jan to 15:33 on Sun 8 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-01-08",
      "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/2017/pradosha-vrata?on=2017-01-09",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-01-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16134,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-01-09T12:31:09-08:00",
          "utc": "2017-01-09T20:31:09Z",
          "ms": 1483993868956.6968
        },
        "end": {
          "local": "2017-01-10T09:24:13-08:00",
          "utc": "2017-01-10T17:24:13Z",
          "ms": 1484069052696.8704
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-01-09T12:31:09-08:00",
          "utc": "2017-01-09T20:31:09Z",
          "ms": 1483993868956.6968
        },
        "end": {
          "local": "2017-01-10T09:24:13-08:00",
          "utc": "2017-01-10T17:24:13Z",
          "ms": 1484069052696.8704
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-01-09",
          "window": {
            "start": {
              "local": "2017-01-09T17:00:03-08:00",
              "utc": "2017-01-10T01:00:03Z",
              "ms": 1484010002810.712
            },
            "end": {
              "local": "2017-01-09T18:50:49-08:00",
              "utc": "2017-01-10T02:50:49Z",
              "ms": 1484016648819.3008
            }
          },
          "covered_min": 111,
          "window_min": 111,
          "qualifies": true
        },
        {
          "local_date": "2017-01-10",
          "window": {
            "start": {
              "local": "2017-01-10T17:00:54-08:00",
              "utc": "2017-01-11T01:00:54Z",
              "ms": 1484096454410.5054
            },
            "end": {
              "local": "2017-01-10T18:51:33-08:00",
              "utc": "2017-01-11T02:51:33Z",
              "ms": 1484103092899.7063
            }
          },
          "covered_min": 0,
          "window_min": 111,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 12:31 on Mon 9 Jan to 09:24 on Tue 10 Jan.",
          "fact": "2017-01-09T20:31:09Z → 2017-01-10T17:24:13Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:00–18:51 on the 9th, 17:01–18:52 on the 10th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 111 of 111 minutes on the 9th and 0 of 111 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 16134 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Tijuana, 2017: Monday 9 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": "2017-01-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-01-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śukla Pradoṣa Vrata 2017 falls on Monday 9 January. Trayodaśī runs from 12:31 on Mon 9 Jan to 09:24 on Tue 10 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-01-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/bhogi",
      "festival": "bhogi",
      "name": "Bhogi",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-01-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3921,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2017-01-13T18:08:54-08:00",
          "utc": "2017-01-14T02:08:54Z",
          "ms": 1484359734071.97
        },
        "end": {
          "local": "2017-02-12T07:08:56-08:00",
          "utc": "2017-02-12T15:08:56Z",
          "ms": 1486912135683.7705
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2017-01-13T18:08:54-08:00",
          "utc": "2017-01-14T02:08:54Z",
          "ms": 1484359734071.97
        },
        "end": {
          "local": "2017-01-13T18:08:54-08:00",
          "utc": "2017-01-14T02:08:54Z",
          "ms": 1484359734071.97
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2017-01-13",
          "window": {
            "start": {
              "local": "2017-01-12T17:02:39-08:00",
              "utc": "2017-01-13T01:02:39Z",
              "ms": 1484269359391.5405
            },
            "end": {
              "local": "2017-01-13T17:03:33-08:00",
              "utc": "2017-01-14T01:03:33Z",
              "ms": 1484355812694.4883
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "2017-01-14",
          "window": {
            "start": {
              "local": "2017-01-13T17:03:33-08:00",
              "utc": "2017-01-14T01:03:33Z",
              "ms": 1484355812694.4883
            },
            "end": {
              "local": "2017-01-14T17:04:26-08:00",
              "utc": "2017-01-15T01:04:26Z",
              "ms": 1484442266487.5996
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2017-01-14",
        "days": -1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 18:09 on Fri 13 Jan.",
          "fact": "2017-01-14T02:08:54Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:04, and the day of the 14th ends at 17:04.",
          "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunset → only-day · margin 3921 s"
        },
        {
          "step": "counted",
          "text": "Bhogi is kept the day before Pongal: Saturday 14 January is the day taken above.",
          "fact": "follows: pongal − 1 d"
        },
        {
          "step": "ruling",
          "text": "Bhogi, Tijuana, 2017: Friday 13 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "bhogi",
        "follows": {
          "festival": "pongal",
          "days": -1
        },
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2017-01-12",
          "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": "2017-01-12",
          "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, Bhogi 2017 falls on Friday 13 January. It is kept the day before Pongal, which falls on Saturday 14 January. The Sun enters Makara at 18:09 on Fri 13 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from midnight, or counted from sunrise, as in Orissa, it is 12 January.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/makara-sankranti",
      "festival": "makara-sankranti",
      "name": "Makara Saṅkrānti",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-01-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21066,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2017-01-13T18:08:54-08:00",
          "utc": "2017-01-14T02:08:54Z",
          "ms": 1484359734071.97
        },
        "end": {
          "local": "2017-02-12T07:08:56-08:00",
          "utc": "2017-02-12T15:08:56Z",
          "ms": 1486912135683.7705
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2017-01-13T18:08:54-08:00",
          "utc": "2017-01-14T02:08:54Z",
          "ms": 1484359734071.97
        },
        "end": {
          "local": "2017-01-13T18:08:54-08:00",
          "utc": "2017-01-14T02:08:54Z",
          "ms": 1484359734071.97
        }
      },
      "kaala": "civil-day",
      "days": [
        {
          "local_date": "2017-01-13",
          "window": {
            "start": {
              "local": "2017-01-13T00:00:00-08:00",
              "utc": "2017-01-13T08:00:00Z",
              "ms": 1484294400000
            },
            "end": {
              "local": "2017-01-14T00:00:00-08:00",
              "utc": "2017-01-14T08:00:00Z",
              "ms": 1484380800000
            }
          },
          "covered_min": 1,
          "window_min": 1440,
          "qualifies": true
        },
        {
          "local_date": "2017-01-14",
          "window": {
            "start": {
              "local": "2017-01-14T00:00:00-08:00",
              "utc": "2017-01-14T08:00:00Z",
              "ms": 1484380800000
            },
            "end": {
              "local": "2017-01-15T00:00:00-08:00",
              "utc": "2017-01-15T08:00:00Z",
              "ms": 1484467200000
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 18:09 on Fri 13 Jan.",
          "fact": "2017-01-14T02:08:54Z · 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 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from midnight → only-day · margin 21066 s"
        },
        {
          "step": "ruling",
          "text": "Makara Saṅkrānti, Tijuana, 2017: Friday 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": "2017-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "2017-01-13",
          "statement": "Counted from sunrise (the Orissa rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunset-rule",
          "local_date": "2017-01-14",
          "statement": "Past sunset, the next day (the Tamil rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        }
      ],
      "quote": "In Tijuana, Makara Saṅkrānti 2017 falls on Friday 13 January. The Sun enters Makara at 18:09 on Fri 13 Jan, and the rule counts the day from midnight. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 January.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/pongal",
      "festival": "pongal",
      "name": "Pongal",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3921,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2017-01-13T18:08:54-08:00",
          "utc": "2017-01-14T02:08:54Z",
          "ms": 1484359734071.97
        },
        "end": {
          "local": "2017-02-12T07:08:56-08:00",
          "utc": "2017-02-12T15:08:56Z",
          "ms": 1486912135683.7705
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2017-01-13T18:08:54-08:00",
          "utc": "2017-01-14T02:08:54Z",
          "ms": 1484359734071.97
        },
        "end": {
          "local": "2017-01-13T18:08:54-08:00",
          "utc": "2017-01-14T02:08:54Z",
          "ms": 1484359734071.97
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2017-01-13",
          "window": {
            "start": {
              "local": "2017-01-12T17:02:39-08:00",
              "utc": "2017-01-13T01:02:39Z",
              "ms": 1484269359391.5405
            },
            "end": {
              "local": "2017-01-13T17:03:33-08:00",
              "utc": "2017-01-14T01:03:33Z",
              "ms": 1484355812694.4883
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "2017-01-14",
          "window": {
            "start": {
              "local": "2017-01-13T17:03:33-08:00",
              "utc": "2017-01-14T01:03:33Z",
              "ms": 1484355812694.4883
            },
            "end": {
              "local": "2017-01-14T17:04:26-08:00",
              "utc": "2017-01-15T01:04:26Z",
              "ms": 1484442266487.5996
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 18:09 on Fri 13 Jan.",
          "fact": "2017-01-14T02:08:54Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:04, and the day of the 14th ends at 17:04.",
          "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunset → only-day · margin 3921 s"
        },
        {
          "step": "ruling",
          "text": "Pongal, Tijuana, 2017: Saturday 14 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "pongal",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.",
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2017-01-13",
          "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": "2017-01-13",
          "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, Pongal 2017 falls on Saturday 14 January. The Sun enters Makara at 18:09 on Fri 13 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from midnight, or counted from sunrise, as in Orissa, it is 13 January.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/mattu-pongal",
      "festival": "mattu-pongal",
      "name": "Mattu Pongal",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3921,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2017-01-13T18:08:54-08:00",
          "utc": "2017-01-14T02:08:54Z",
          "ms": 1484359734071.97
        },
        "end": {
          "local": "2017-02-12T07:08:56-08:00",
          "utc": "2017-02-12T15:08:56Z",
          "ms": 1486912135683.7705
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2017-01-13T18:08:54-08:00",
          "utc": "2017-01-14T02:08:54Z",
          "ms": 1484359734071.97
        },
        "end": {
          "local": "2017-01-13T18:08:54-08:00",
          "utc": "2017-01-14T02:08:54Z",
          "ms": 1484359734071.97
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2017-01-13",
          "window": {
            "start": {
              "local": "2017-01-12T17:02:39-08:00",
              "utc": "2017-01-13T01:02:39Z",
              "ms": 1484269359391.5405
            },
            "end": {
              "local": "2017-01-13T17:03:33-08:00",
              "utc": "2017-01-14T01:03:33Z",
              "ms": 1484355812694.4883
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "2017-01-14",
          "window": {
            "start": {
              "local": "2017-01-13T17:03:33-08:00",
              "utc": "2017-01-14T01:03:33Z",
              "ms": 1484355812694.4883
            },
            "end": {
              "local": "2017-01-14T17:04:26-08:00",
              "utc": "2017-01-15T01:04:26Z",
              "ms": 1484442266487.5996
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2017-01-14",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 18:09 on Fri 13 Jan.",
          "fact": "2017-01-14T02:08:54Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:04, and the day of the 14th ends at 17:04.",
          "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunset → only-day · margin 3921 s"
        },
        {
          "step": "counted",
          "text": "Mattu Pongal is kept the day after Pongal: Saturday 14 January is the day taken above.",
          "fact": "follows: pongal + 1 d"
        },
        {
          "step": "ruling",
          "text": "Mattu Pongal, Tijuana, 2017: Sunday 15 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "mattu-pongal",
        "follows": {
          "festival": "pongal",
          "days": 1
        },
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2017-01-14",
          "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": "2017-01-14",
          "statement": "Counted from sunrise (the Orissa rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight."
          }
        }
      ],
      "quote": "In Tijuana, Mattu Pongal 2017 falls on Sunday 15 January. It is kept the day after Pongal, which falls on Saturday 14 January. The Sun enters Makara at 18:09 on Fri 13 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from midnight, or counted from sunrise, as in Orissa, it is 14 January.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/sankashta-chaturthi?on=2017-01-15",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3333,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-01-14T22:09:28-08:00",
          "utc": "2017-01-15T06:09:28Z",
          "ms": 1484460568005.5212
        },
        "end": {
          "local": "2017-01-15T21:45:29-08:00",
          "utc": "2017-01-16T05:45:29Z",
          "ms": 1484545528904.0745
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-01-14T22:09:28-08:00",
          "utc": "2017-01-15T06:09:28Z",
          "ms": 1484460568005.5212
        },
        "end": {
          "local": "2017-01-15T21:45:29-08:00",
          "utc": "2017-01-16T05:45:29Z",
          "ms": 1484545528904.0745
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2017-01-14",
          "window": {
            "start": {
              "local": "2017-01-14T19:49:55-08:00",
              "utc": "2017-01-15T03:49:55Z",
              "ms": 1484452195243.23
            },
            "end": {
              "local": "2017-01-14T19:49:55-08:00",
              "utc": "2017-01-15T03:49:55Z",
              "ms": 1484452195243.23
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-01-15",
          "window": {
            "start": {
              "local": "2017-01-15T20:49:55-08:00",
              "utc": "2017-01-16T04:49:55Z",
              "ms": 1484542195481.8225
            },
            "end": {
              "local": "2017-01-15T20:49:55-08:00",
              "utc": "2017-01-16T04:49:55Z",
              "ms": 1484542195481.8225
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:09 on Sat 14 Jan to 21:45 on Sun 15 Jan.",
          "fact": "2017-01-15T06:09:28Z → 2017-01-16T05:45:29Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:50 on the 14th and 20:50 on the 15th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 14th and is on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 3333 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Tijuana, 2017: Sunday 15 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": "2017-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-01-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Saṅkaṣṭa Caturthī 2017 falls on Sunday 15 January. Caturthī runs from 22:09 on Sat 14 Jan to 21:45 on Sun 15 Jan and is current at moonrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/sankashta-chaturthi?on=2017-01-15",
      "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/2017/ekadashi?on=2017-01-23",
      "festival": "ekadashi",
      "name": "Ṣaṭtilā Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-01-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6120,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-01-22T08:29:54-08:00",
          "utc": "2017-01-22T16:29:54Z",
          "ms": 1485102594162.7842
        },
        "end": {
          "local": "2017-01-23T10:51:47-08:00",
          "utc": "2017-01-23T18:51:47Z",
          "ms": 1485197507104.9814
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-01-22T08:29:54-08:00",
          "utc": "2017-01-22T16:29:54Z",
          "ms": 1485102594162.7842
        },
        "end": {
          "local": "2017-01-23T10:51:47-08:00",
          "utc": "2017-01-23T18:51:47Z",
          "ms": 1485197507104.9814
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-01-22",
          "window": {
            "start": {
              "local": "2017-01-22T06:47:54-08:00",
              "utc": "2017-01-22T14:47:54Z",
              "ms": 1485096473836.725
            },
            "end": {
              "local": "2017-01-22T06:47:54-08:00",
              "utc": "2017-01-22T14:47:54Z",
              "ms": 1485096473836.725
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-01-23",
          "window": {
            "start": {
              "local": "2017-01-23T06:47:28-08:00",
              "utc": "2017-01-23T14:47:28Z",
              "ms": 1485182848149.1497
            },
            "end": {
              "local": "2017-01-23T06:47:28-08:00",
              "utc": "2017-01-23T14:47:28Z",
              "ms": 1485182848149.1497
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 08:30 on Sun 22 Jan to 10:52 on Mon 23 Jan.",
          "fact": "2017-01-22T16:29:54Z → 2017-01-23T18:51:47Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:48 on the 22nd and 06:47 on the 23rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 22nd and is on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 6120 s"
        },
        {
          "step": "ruling",
          "text": "Ṣaṭtilā Ekādaśī, Tijuana, 2017: Monday 23 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": "2017-01-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-01-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Ṣaṭtilā Ekādaśī 2017 falls on Monday 23 January. Ekādaśī runs from 08:30 on Sun 22 Jan to 10:52 on Mon 23 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-01-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/pradosha-vrata?on=2017-01-24",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-01-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10053,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-01-24T12:52:51-08:00",
          "utc": "2017-01-24T20:52:51Z",
          "ms": 1485291170869.8901
        },
        "end": {
          "local": "2017-01-25T14:27:06-08:00",
          "utc": "2017-01-25T22:27:06Z",
          "ms": 1485383226175.0955
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-01-24T12:52:51-08:00",
          "utc": "2017-01-24T20:52:51Z",
          "ms": 1485291170869.8901
        },
        "end": {
          "local": "2017-01-25T14:27:06-08:00",
          "utc": "2017-01-25T22:27:06Z",
          "ms": 1485383226175.0955
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-01-24",
          "window": {
            "start": {
              "local": "2017-01-24T17:13:43-08:00",
              "utc": "2017-01-25T01:13:43Z",
              "ms": 1485306822807.0708
            },
            "end": {
              "local": "2017-01-24T19:02:05-08:00",
              "utc": "2017-01-25T03:02:05Z",
              "ms": 1485313325341.712
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        },
        {
          "local_date": "2017-01-25",
          "window": {
            "start": {
              "local": "2017-01-25T17:14:39-08:00",
              "utc": "2017-01-26T01:14:39Z",
              "ms": 1485393279428.723
            },
            "end": {
              "local": "2017-01-25T19:02:50-08:00",
              "utc": "2017-01-26T03:02:50Z",
              "ms": 1485399770332.2031
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 12:53 on Tue 24 Jan to 14:27 on Wed 25 Jan.",
          "fact": "2017-01-24T20:52:51Z → 2017-01-25T22:27:06Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–19:02 on the 24th, 17:15–19:03 on the 25th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 108 of 108 minutes on the 24th and 0 of 108 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 10053 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 2017: Tuesday 24 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": "2017-01-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-01-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 2017 falls on Tuesday 24 January. Trayodaśī runs from 12:53 on Tue 24 Jan to 14:27 on Wed 25 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-01-24",
      "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/2017/shivaratri?on=2017-01-25",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-01-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29081,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2017-01-25T14:27:06-08:00",
          "utc": "2017-01-25T22:27:06Z",
          "ms": 1485383226175.0955
        },
        "end": {
          "local": "2017-01-26T15:31:52-08:00",
          "utc": "2017-01-26T23:31:52Z",
          "ms": 1485473511944.2332
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-01-25T14:27:06-08:00",
          "utc": "2017-01-25T22:27:06Z",
          "ms": 1485383226175.0955
        },
        "end": {
          "local": "2017-01-26T15:31:52-08:00",
          "utc": "2017-01-26T23:31:52Z",
          "ms": 1485473511944.2332
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2017-01-25",
          "window": {
            "start": {
              "local": "2017-01-25T23:36:20-08:00",
              "utc": "2017-01-26T07:36:20Z",
              "ms": 1485416180316.774
            },
            "end": {
              "local": "2017-01-26T00:24:20-08:00",
              "utc": "2017-01-26T08:24:20Z",
              "ms": 1485419060316.774
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-01-26",
          "window": {
            "start": {
              "local": "2017-01-26T23:36:33-08:00",
              "utc": "2017-01-27T07:36:33Z",
              "ms": 1485502592533.1353
            },
            "end": {
              "local": "2017-01-27T00:24:33-08:00",
              "utc": "2017-01-27T08:24:33Z",
              "ms": 1485505472533.1353
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 14:27 on Wed 25 Jan to 15:32 on Thu 26 Jan.",
          "fact": "2017-01-25T22:27:06Z → 2017-01-26T23:31:52Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:36–00:24 on the 25th, 23:37–00:25 on the 26th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 29081 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Tijuana, 2017: Wednesday 25 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": "2017-01-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-01-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śivarātri 2017 falls on Wednesday 25 January. Caturdaśī runs from 14:27 on Wed 25 Jan to 15:32 on Thu 26 Jan and covers all of niśītha that night.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/shivaratri?on=2017-01-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/yama-tarpana",
      "festival": "yama-tarpana",
      "name": "Yama Tarpaṇa",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-01-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27634,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2017-01-25T14:27:06-08:00",
          "utc": "2017-01-25T22:27:06Z",
          "ms": 1485383226175.0955
        },
        "end": {
          "local": "2017-01-26T15:31:52-08:00",
          "utc": "2017-01-26T23:31:52Z",
          "ms": 1485473511944.2332
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-01-25T14:27:06-08:00",
          "utc": "2017-01-25T22:27:06Z",
          "ms": 1485383226175.0955
        },
        "end": {
          "local": "2017-01-26T15:31:52-08:00",
          "utc": "2017-01-26T23:31:52Z",
          "ms": 1485473511944.2332
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2017-01-25",
          "window": {
            "start": {
              "local": "2017-01-25T04:58:09-08:00",
              "utc": "2017-01-25T12:58:09Z",
              "ms": 1485349089282.2378
            },
            "end": {
              "local": "2017-01-25T06:46:32-08:00",
              "utc": "2017-01-25T14:46:32Z",
              "ms": 1485355591816.879
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        },
        {
          "local_date": "2017-01-26",
          "window": {
            "start": {
              "local": "2017-01-26T04:57:50-08:00",
              "utc": "2017-01-26T12:57:50Z",
              "ms": 1485435470301.345
            },
            "end": {
              "local": "2017-01-26T06:46:01-08:00",
              "utc": "2017-01-26T14:46:01Z",
              "ms": 1485441961204.8252
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 14:27 on Wed 25 Jan to 15:32 on Thu 26 Jan.",
          "fact": "2017-01-25T22:27:06Z → 2017-01-26T23:31:52Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:58–06:47 on the 25th, 04:58–06:46 on the 26th.",
          "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 108 minutes on the 25th and 108 of 108 on the 26th.",
          "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 27634 s"
        },
        {
          "step": "ruling",
          "text": "Yama Tarpaṇa, Tijuana, 2017: Thursday 26 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": "2017-01-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-01-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Yama Tarpaṇa 2017 falls on Thursday 26 January. Caturdaśī runs from 14:27 on Wed 25 Jan to 15:32 on Thu 26 Jan and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/tila-chaturthi",
      "festival": "tila-chaturthi",
      "name": "Tila Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-01-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7536,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-01-30T15:13:47-08:00",
          "utc": "2017-01-30T23:13:47Z",
          "ms": 1485818026711.7632
        },
        "end": {
          "local": "2017-01-31T14:11:20-08:00",
          "utc": "2017-01-31T22:11:20Z",
          "ms": 1485900679541.3533
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-01-30T15:13:47-08:00",
          "utc": "2017-01-30T23:13:47Z",
          "ms": 1485818026711.7632
        },
        "end": {
          "local": "2017-01-31T14:11:20-08:00",
          "utc": "2017-01-31T22:11:20Z",
          "ms": 1485900679541.3533
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-01-30",
          "window": {
            "start": {
              "local": "2017-01-30T17:19:22-08:00",
              "utc": "2017-01-31T01:19:22Z",
              "ms": 1485825562319.2507
            },
            "end": {
              "local": "2017-01-30T19:06:32-08:00",
              "utc": "2017-01-31T03:06:32Z",
              "ms": 1485831991927.519
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        },
        {
          "local_date": "2017-01-31",
          "window": {
            "start": {
              "local": "2017-01-31T17:20:19-08:00",
              "utc": "2017-02-01T01:20:19Z",
              "ms": 1485912018624.7136
            },
            "end": {
              "local": "2017-01-31T19:07:15-08:00",
              "utc": "2017-02-01T03:07:15Z",
              "ms": 1485918435394.1375
            }
          },
          "covered_min": 0,
          "window_min": 107,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 15:14 on Mon 30 Jan to 14:11 on Tue 31 Jan.",
          "fact": "2017-01-30T23:13:47Z → 2017-01-31T22:11:20Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:19–19:07 on the 30th, 17:20–19:07 on the 31st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during pradoṣa. It covers 107 of 107 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 evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7536 s"
        },
        {
          "step": "ruling",
          "text": "Tila Caturthī, Tijuana, 2017: Monday 30 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": "2017-01-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-01-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Tila Caturthī 2017 falls on Monday 30 January. Caturthī runs from 15:14 on Mon 30 Jan to 14:11 on Tue 31 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ganesha-jayanti",
      "festival": "ganesha-jayanti",
      "name": "Gaṇeśa Jayantī",
      "everyday": "Maghi Ganesh Jayanti",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-01-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6338,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-01-30T15:13:47-08:00",
          "utc": "2017-01-30T23:13:47Z",
          "ms": 1485818026711.7632
        },
        "end": {
          "local": "2017-01-31T14:11:20-08:00",
          "utc": "2017-01-31T22:11:20Z",
          "ms": 1485900679541.3533
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-01-30T15:13:47-08:00",
          "utc": "2017-01-30T23:13:47Z",
          "ms": 1485818026711.7632
        },
        "end": {
          "local": "2017-01-31T14:11:20-08:00",
          "utc": "2017-01-31T22:11:20Z",
          "ms": 1485900679541.3533
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-01-30",
          "window": {
            "start": {
              "local": "2017-01-30T11:37:33-08:00",
              "utc": "2017-01-30T19:37:33Z",
              "ms": 1485805052586.2373
            },
            "end": {
              "local": "2017-01-30T12:25:33-08:00",
              "utc": "2017-01-30T20:25:33Z",
              "ms": 1485807932586.2373
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-01-31",
          "window": {
            "start": {
              "local": "2017-01-31T11:37:42-08:00",
              "utc": "2017-01-31T19:37:42Z",
              "ms": 1485891461502.9878
            },
            "end": {
              "local": "2017-01-31T12:25:42-08:00",
              "utc": "2017-01-31T20:25:42Z",
              "ms": 1485894341502.9878
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 15:14 on Mon 30 Jan to 14:11 on Tue 31 Jan.",
          "fact": "2017-01-30T23:13:47Z → 2017-01-31T22:11:20Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 30th, 11:38–12:26 on the 31st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.",
          "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 6338 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Jayantī, Tijuana, 2017: Tuesday 31 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": "2017-01-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-01-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2017 falls on Tuesday 31 January. Caturthī runs from 15:14 on Mon 30 Jan to 14:11 on Tue 31 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/shri-panchami",
      "festival": "shri-panchami",
      "name": "Śrī Pañcamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-02-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1466,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2017-01-31T14:11:20-08:00",
          "utc": "2017-01-31T22:11:20Z",
          "ms": 1485900679541.3533
        },
        "end": {
          "local": "2017-02-01T12:50:16-08:00",
          "utc": "2017-02-01T20:50:16Z",
          "ms": 1485982215624.7927
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-01-31T14:11:20-08:00",
          "utc": "2017-01-31T22:11:20Z",
          "ms": 1485900679541.3533
        },
        "end": {
          "local": "2017-02-01T12:50:16-08:00",
          "utc": "2017-02-01T20:50:16Z",
          "ms": 1485982215624.7927
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-01-31",
          "window": {
            "start": {
              "local": "2017-01-31T11:37:42-08:00",
              "utc": "2017-01-31T19:37:42Z",
              "ms": 1485891461502.9878
            },
            "end": {
              "local": "2017-01-31T12:25:42-08:00",
              "utc": "2017-01-31T20:25:42Z",
              "ms": 1485894341502.9878
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-02-01",
          "window": {
            "start": {
              "local": "2017-02-01T11:37:50-08:00",
              "utc": "2017-02-01T19:37:50Z",
              "ms": 1485977869582.787
            },
            "end": {
              "local": "2017-02-01T12:25:50-08:00",
              "utc": "2017-02-01T20:25:50Z",
              "ms": 1485980749582.787
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 14:11 on Tue 31 Jan to 12:50 on Wed 1 Feb.",
          "fact": "2017-01-31T22:11:20Z → 2017-02-01T20:50:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 31st, 11:38–12:26 on the 1st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 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. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 1466 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Pañcamī, Tijuana, 2017: Wednesday 1 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shri-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-02-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-02-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śrī Pañcamī 2017 falls on Wednesday 1 February. Pañcamī runs from 14:11 on Tue 31 Jan to 12:50 on Wed 1 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/vasanta-panchami",
      "festival": "vasanta-panchami",
      "name": "Vasanta Pañcamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-02-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1466,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2017-01-31T14:11:20-08:00",
          "utc": "2017-01-31T22:11:20Z",
          "ms": 1485900679541.3533
        },
        "end": {
          "local": "2017-02-01T12:50:16-08:00",
          "utc": "2017-02-01T20:50:16Z",
          "ms": 1485982215624.7927
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-01-31T14:11:20-08:00",
          "utc": "2017-01-31T22:11:20Z",
          "ms": 1485900679541.3533
        },
        "end": {
          "local": "2017-02-01T12:50:16-08:00",
          "utc": "2017-02-01T20:50:16Z",
          "ms": 1485982215624.7927
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-01-31",
          "window": {
            "start": {
              "local": "2017-01-31T11:37:42-08:00",
              "utc": "2017-01-31T19:37:42Z",
              "ms": 1485891461502.9878
            },
            "end": {
              "local": "2017-01-31T12:25:42-08:00",
              "utc": "2017-01-31T20:25:42Z",
              "ms": 1485894341502.9878
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-02-01",
          "window": {
            "start": {
              "local": "2017-02-01T11:37:50-08:00",
              "utc": "2017-02-01T19:37:50Z",
              "ms": 1485977869582.787
            },
            "end": {
              "local": "2017-02-01T12:25:50-08:00",
              "utc": "2017-02-01T20:25:50Z",
              "ms": 1485980749582.787
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 14:11 on Tue 31 Jan to 12:50 on Wed 1 Feb.",
          "fact": "2017-01-31T22:11:20Z → 2017-02-01T20:50:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 31st, 11:38–12:26 on the 1st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 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. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1466 s"
        },
        {
          "step": "ruling",
          "text": "Vasanta Pañcamī, Tijuana, 2017: Wednesday 1 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vasanta-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-02-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-02-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Vasanta Pañcamī 2017 falls on Wednesday 1 February. Pañcamī runs from 14:11 on Tue 31 Jan to 12:50 on Wed 1 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ratha-saptami",
      "festival": "ratha-saptami",
      "name": "Ratha Saptamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-02-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9538,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2017-02-02T11:12:30-08:00",
          "utc": "2017-02-02T19:12:30Z",
          "ms": 1486062749690.1138
        },
        "end": {
          "local": "2017-02-03T09:19:58-08:00",
          "utc": "2017-02-03T17:19:58Z",
          "ms": 1486142398303.596
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-02-02T11:12:30-08:00",
          "utc": "2017-02-02T19:12:30Z",
          "ms": 1486062749690.1138
        },
        "end": {
          "local": "2017-02-03T09:19:58-08:00",
          "utc": "2017-02-03T17:19:58Z",
          "ms": 1486142398303.596
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2017-02-02",
          "window": {
            "start": {
              "local": "2017-02-02T04:54:59-08:00",
              "utc": "2017-02-02T12:54:59Z",
              "ms": 1486040099164.529
            },
            "end": {
              "local": "2017-02-02T06:41:43-08:00",
              "utc": "2017-02-02T14:41:43Z",
              "ms": 1486046502917.5056
            }
          },
          "covered_min": 0,
          "window_min": 107,
          "qualifies": false
        },
        {
          "local_date": "2017-02-03",
          "window": {
            "start": {
              "local": "2017-02-03T04:54:29-08:00",
              "utc": "2017-02-03T12:54:29Z",
              "ms": 1486126469405.499
            },
            "end": {
              "local": "2017-02-03T06:41:00-08:00",
              "utc": "2017-02-03T14:41:00Z",
              "ms": 1486132859971.004
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 11:12 on Thu 2 Feb to 09:20 on Fri 3 Feb.",
          "fact": "2017-02-02T19:12:30Z → 2017-02-03T17:19:58Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:55–06:42 on the 2nd, 04:54–06:41 on the 3rd.",
          "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during aruṇodaya. It covers 0 of 107 minutes on the 2nd and 107 of 107 on the 3rd.",
          "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 9538 s"
        },
        {
          "step": "ruling",
          "text": "Ratha Saptamī, Tijuana, 2017: Friday 3 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ratha-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]."
          }
        ],
        "kaala": "arunodaya",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-02-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-02-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Ratha Saptamī 2017 falls on Friday 3 February. Saptamī runs from 11:12 on Thu 2 Feb to 09:20 on Fri 3 Feb and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ekadashi?on=2017-02-06",
      "festival": "ekadashi",
      "name": "Jayā Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-02-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14340,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-02-06T02:39:43-08:00",
          "utc": "2017-02-06T10:39:43Z",
          "ms": 1486377583009.6475
        },
        "end": {
          "local": "2017-02-07T00:17:43-08:00",
          "utc": "2017-02-07T08:17:43Z",
          "ms": 1486455462601.6992
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-02-06T02:39:43-08:00",
          "utc": "2017-02-06T10:39:43Z",
          "ms": 1486377583009.6475
        },
        "end": {
          "local": "2017-02-07T00:17:43-08:00",
          "utc": "2017-02-07T08:17:43Z",
          "ms": 1486455462601.6992
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-02-06",
          "window": {
            "start": {
              "local": "2017-02-06T06:38:43-08:00",
              "utc": "2017-02-06T14:38:43Z",
              "ms": 1486391922579.2683
            },
            "end": {
              "local": "2017-02-06T06:38:43-08:00",
              "utc": "2017-02-06T14:38:43Z",
              "ms": 1486391922579.2683
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-02-07",
          "window": {
            "start": {
              "local": "2017-02-07T06:37:54-08:00",
              "utc": "2017-02-07T14:37:54Z",
              "ms": 1486478274025.7405
            },
            "end": {
              "local": "2017-02-07T06:37:54-08:00",
              "utc": "2017-02-07T14:37:54Z",
              "ms": 1486478274025.7405
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:40 on Mon 6 Feb to 00:18 on Tue 7 Feb.",
          "fact": "2017-02-06T10:39:43Z → 2017-02-07T08:17:43Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:39 on the 6th and 06:38 on the 7th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 14340 s"
        },
        {
          "step": "ruling",
          "text": "Jayā Ekādaśī, Tijuana, 2017: Monday 6 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": "2017-02-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-02-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Jayā Ekādaśī 2017 falls on Monday 6 February. Ekādaśī runs from 02:40 on Mon 6 Feb to 00:18 on Tue 7 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-02-06",
      "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/2017/bhishma-dvadashi",
      "festival": "bhishma-dvadashi",
      "name": "Bhīṣma Dvādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-02-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34402,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2017-02-07T00:17:43-08:00",
          "utc": "2017-02-07T08:17:43Z",
          "ms": 1486455462601.6992
        },
        "end": {
          "local": "2017-02-07T21:59:42-08:00",
          "utc": "2017-02-08T05:59:42Z",
          "ms": 1486533582384.9758
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-02-07T00:17:43-08:00",
          "utc": "2017-02-07T08:17:43Z",
          "ms": 1486455462601.6992
        },
        "end": {
          "local": "2017-02-07T21:59:42-08:00",
          "utc": "2017-02-08T05:59:42Z",
          "ms": 1486533582384.9758
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-02-06",
          "window": {
            "start": {
              "local": "2017-02-06T11:38:17-08:00",
              "utc": "2017-02-06T19:38:17Z",
              "ms": 1486409897426.392
            },
            "end": {
              "local": "2017-02-06T12:26:17-08:00",
              "utc": "2017-02-06T20:26:17Z",
              "ms": 1486412777426.392
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-02-07",
          "window": {
            "start": {
              "local": "2017-02-07T11:38:21-08:00",
              "utc": "2017-02-07T19:38:21Z",
              "ms": 1486496300512.192
            },
            "end": {
              "local": "2017-02-07T12:26:21-08:00",
              "utc": "2017-02-07T20:26:21Z",
              "ms": 1486499180512.192
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 00:18 on Tue 7 Feb to 22:00 on Tue 7 Feb.",
          "fact": "2017-02-07T08:17:43Z → 2017-02-08T05:59:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 6th, 11:38–12:26 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 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. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 34402 s"
        },
        {
          "step": "ruling",
          "text": "Bhīṣma Dvādaśī, Tijuana, 2017: Tuesday 7 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": "2017-02-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-02-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Bhīṣma Dvādaśī 2017 falls on Tuesday 7 February. Dvādaśī runs from 00:18 on Tue 7 Feb to 22:00 on Tue 7 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/pradosha-vrata?on=2017-02-08",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-02-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2340,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-02-07T21:59:42-08:00",
          "utc": "2017-02-08T05:59:42Z",
          "ms": 1486533582384.9758
        },
        "end": {
          "local": "2017-02-08T19:51:50-08:00",
          "utc": "2017-02-09T03:51:50Z",
          "ms": 1486612309641.7986
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-02-07T21:59:42-08:00",
          "utc": "2017-02-08T05:59:42Z",
          "ms": 1486533582384.9758
        },
        "end": {
          "local": "2017-02-08T19:51:50-08:00",
          "utc": "2017-02-09T03:51:50Z",
          "ms": 1486612309641.7986
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-02-07",
          "window": {
            "start": {
              "local": "2017-02-07T17:26:47-08:00",
              "utc": "2017-02-08T01:26:47Z",
              "ms": 1486517206998.6436
            },
            "end": {
              "local": "2017-02-07T19:12:09-08:00",
              "utc": "2017-02-08T03:12:09Z",
              "ms": 1486523529284.7805
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        },
        {
          "local_date": "2017-02-08",
          "window": {
            "start": {
              "local": "2017-02-08T17:27:41-08:00",
              "utc": "2017-02-09T01:27:41Z",
              "ms": 1486603661433.2922
            },
            "end": {
              "local": "2017-02-08T19:12:50-08:00",
              "utc": "2017-02-09T03:12:50Z",
              "ms": 1486609969637.901
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 22:00 on Tue 7 Feb to 19:52 on Wed 8 Feb.",
          "fact": "2017-02-08T05:59:42Z → 2017-02-09T03:51:50Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:27–19:12 on the 7th, 17:28–19:13 on the 8th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 105 minutes on the 7th and 105 of 105 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2340 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Tijuana, 2017: Wednesday 8 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": "2017-02-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-02-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śukla Pradoṣa Vrata 2017 falls on Wednesday 8 February. Trayodaśī runs from 22:00 on Tue 7 Feb to 19:52 on Wed 8 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-02-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/maghi-purnima",
      "festival": "maghi-purnima",
      "name": "Māghī Pūrṇimā",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-02-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14787,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2017-02-09T18:00:39-08:00",
          "utc": "2017-02-10T02:00:39Z",
          "ms": 1486692039299.3877
        },
        "end": {
          "local": "2017-02-10T16:32:52-08:00",
          "utc": "2017-02-11T00:32:52Z",
          "ms": 1486773172382.5918
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-02-09T18:00:39-08:00",
          "utc": "2017-02-10T02:00:39Z",
          "ms": 1486692039299.3877
        },
        "end": {
          "local": "2017-02-10T16:32:52-08:00",
          "utc": "2017-02-11T00:32:52Z",
          "ms": 1486773172382.5918
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-02-09",
          "window": {
            "start": {
              "local": "2017-02-09T11:38:24-08:00",
              "utc": "2017-02-09T19:38:24Z",
              "ms": 1486669104268.168
            },
            "end": {
              "local": "2017-02-09T12:26:24-08:00",
              "utc": "2017-02-09T20:26:24Z",
              "ms": 1486671984268.168
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-02-10",
          "window": {
            "start": {
              "local": "2017-02-10T11:38:25-08:00",
              "utc": "2017-02-10T19:38:25Z",
              "ms": 1486755504962.3584
            },
            "end": {
              "local": "2017-02-10T12:26:25-08:00",
              "utc": "2017-02-10T20:26:25Z",
              "ms": 1486758384962.3584
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 18:01 on Thu 9 Feb to 16:33 on Fri 10 Feb.",
          "fact": "2017-02-10T02:00:39Z → 2017-02-11T00:32:52Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 9th, 11:38–12:26 on the 10th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 14787 s"
        },
        {
          "step": "ruling",
          "text": "Māghī Pūrṇimā, Tijuana, 2017: Friday 10 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": "2017-02-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-02-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Māghī Pūrṇimā 2017 falls on Friday 10 February. Pūrṇimā runs from 18:01 on Thu 9 Feb to 16:33 on Fri 10 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/sankashta-chaturthi?on=2017-02-13",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-02-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18155,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-02-13T15:27:06-08:00",
          "utc": "2017-02-13T23:27:06Z",
          "ms": 1487028426088.5212
        },
        "end": {
          "local": "2017-02-14T16:21:55-08:00",
          "utc": "2017-02-15T00:21:55Z",
          "ms": 1487118115398.8176
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-02-13T15:27:06-08:00",
          "utc": "2017-02-13T23:27:06Z",
          "ms": 1487028426088.5212
        },
        "end": {
          "local": "2017-02-14T16:21:55-08:00",
          "utc": "2017-02-15T00:21:55Z",
          "ms": 1487118115398.8176
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2017-02-13",
          "window": {
            "start": {
              "local": "2017-02-13T20:29:41-08:00",
              "utc": "2017-02-14T04:29:41Z",
              "ms": 1487046581098.409
            },
            "end": {
              "local": "2017-02-13T20:29:41-08:00",
              "utc": "2017-02-14T04:29:41Z",
              "ms": 1487046581098.409
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-02-14",
          "window": {
            "start": {
              "local": "2017-02-14T21:25:31-08:00",
              "utc": "2017-02-15T05:25:31Z",
              "ms": 1487136331126.054
            },
            "end": {
              "local": "2017-02-14T21:25:31-08:00",
              "utc": "2017-02-15T05:25:31Z",
              "ms": 1487136331126.054
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 15:27 on Mon 13 Feb to 16:22 on Tue 14 Feb.",
          "fact": "2017-02-13T23:27:06Z → 2017-02-15T00:21:55Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:30 on the 13th and 21:26 on the 14th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 13th and is not on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 18155 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Tijuana, 2017: Monday 13 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": "2017-02-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-02-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Saṅkaṣṭa Caturthī 2017 falls on Monday 13 February. Caturthī runs from 15:27 on Mon 13 Feb to 16:22 on Tue 14 Feb and is current at moonrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/sankashta-chaturthi?on=2017-02-13",
      "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/2017/ekadashi?on=2017-02-22",
      "festival": "ekadashi",
      "name": "Vijayā Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-02-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1604,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-02-21T05:15:35-08:00",
          "utc": "2017-02-21T13:15:35Z",
          "ms": 1487682935001.7507
        },
        "end": {
          "local": "2017-02-22T06:50:08-08:00",
          "utc": "2017-02-22T14:50:08Z",
          "ms": 1487775007932.041
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-02-21T05:15:35-08:00",
          "utc": "2017-02-21T13:15:35Z",
          "ms": 1487682935001.7507
        },
        "end": {
          "local": "2017-02-22T06:50:08-08:00",
          "utc": "2017-02-22T14:50:08Z",
          "ms": 1487775007932.041
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-02-21",
          "window": {
            "start": {
              "local": "2017-02-21T06:24:29-08:00",
              "utc": "2017-02-21T14:24:29Z",
              "ms": 1487687069471.812
            },
            "end": {
              "local": "2017-02-21T06:24:29-08:00",
              "utc": "2017-02-21T14:24:29Z",
              "ms": 1487687069471.812
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-02-22",
          "window": {
            "start": {
              "local": "2017-02-22T06:23:24-08:00",
              "utc": "2017-02-22T14:23:24Z",
              "ms": 1487773404345.9438
            },
            "end": {
              "local": "2017-02-22T06:23:24-08:00",
              "utc": "2017-02-22T14:23:24Z",
              "ms": 1487773404345.9438
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 05:16 on Tue 21 Feb to 06:50 on Wed 22 Feb.",
          "fact": "2017-02-21T13:15:35Z → 2017-02-22T14:50:08Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:24 on the 21st and 06:23 on the 22nd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 21st and is on the 22nd.",
          "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 1604 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Ekādaśī, Tijuana, 2017: Wednesday 22 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": "2017-02-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-02-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Vijayā Ekādaśī 2017 falls on Wednesday 22 February. Ekādaśī runs from 05:16 on Tue 21 Feb to 06:50 on Wed 22 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-02-22",
      "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/2017/pradosha-vrata?on=2017-02-23",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-02-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34367,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-02-23T07:48:43-08:00",
          "utc": "2017-02-23T15:48:43Z",
          "ms": 1487864922527.589
        },
        "end": {
          "local": "2017-02-24T08:08:42-08:00",
          "utc": "2017-02-24T16:08:42Z",
          "ms": 1487952521524.2297
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-02-23T07:48:43-08:00",
          "utc": "2017-02-23T15:48:43Z",
          "ms": 1487864922527.589
        },
        "end": {
          "local": "2017-02-24T08:08:42-08:00",
          "utc": "2017-02-24T16:08:42Z",
          "ms": 1487952521524.2297
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-02-23",
          "window": {
            "start": {
              "local": "2017-02-23T17:40:39-08:00",
              "utc": "2017-02-24T01:40:39Z",
              "ms": 1487900439423.7112
            },
            "end": {
              "local": "2017-02-23T19:22:04-08:00",
              "utc": "2017-02-24T03:22:04Z",
              "ms": 1487906523706.0164
            }
          },
          "covered_min": 101,
          "window_min": 101,
          "qualifies": true
        },
        {
          "local_date": "2017-02-24",
          "window": {
            "start": {
              "local": "2017-02-24T17:41:29-08:00",
              "utc": "2017-02-25T01:41:29Z",
              "ms": 1487986888582.372
            },
            "end": {
              "local": "2017-02-24T19:22:37-08:00",
              "utc": "2017-02-25T03:22:37Z",
              "ms": 1487992957293.7834
            }
          },
          "covered_min": 0,
          "window_min": 101,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 07:49 on Thu 23 Feb to 08:09 on Fri 24 Feb.",
          "fact": "2017-02-23T15:48:43Z → 2017-02-24T16:08:42Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:41–19:22 on the 23rd, 17:41–19:23 on the 24th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 101 of 101 minutes on the 23rd and 0 of 101 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34367 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 2017: Thursday 23 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": "2017-02-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-02-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 2017 falls on Thursday 23 February. Trayodaśī runs from 07:49 on Thu 23 Feb to 08:09 on Fri 24 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-02-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/maha-shivaratri",
      "festival": "maha-shivaratri",
      "name": "Mahāśivarātri",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-02-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26763,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2017-02-24T08:08:42-08:00",
          "utc": "2017-02-24T16:08:42Z",
          "ms": 1487952521524.2297
        },
        "end": {
          "local": "2017-02-25T07:50:49-08:00",
          "utc": "2017-02-25T15:50:49Z",
          "ms": 1488037848979.5864
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-02-24T08:08:42-08:00",
          "utc": "2017-02-24T16:08:42Z",
          "ms": 1487952521524.2297
        },
        "end": {
          "local": "2017-02-25T07:50:49-08:00",
          "utc": "2017-02-25T15:50:49Z",
          "ms": 1488037848979.5864
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2017-02-23",
          "window": {
            "start": {
              "local": "2017-02-23T23:36:55-08:00",
              "utc": "2017-02-24T07:36:55Z",
              "ms": 1487921815482.3552
            },
            "end": {
              "local": "2017-02-24T00:24:55-08:00",
              "utc": "2017-02-24T08:24:55Z",
              "ms": 1487924695482.3552
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-02-24",
          "window": {
            "start": {
              "local": "2017-02-24T23:36:46-08:00",
              "utc": "2017-02-25T07:36:46Z",
              "ms": 1488008206250.1646
            },
            "end": {
              "local": "2017-02-25T00:24:46-08:00",
              "utc": "2017-02-25T08:24:46Z",
              "ms": 1488011086250.1646
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 08:09 on Fri 24 Feb to 07:51 on Sat 25 Feb.",
          "fact": "2017-02-24T16:08:42Z → 2017-02-25T15:50:49Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:37–00:25 on the 23rd, 23:37–00:25 on the 24th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 26763 s"
        },
        {
          "step": "ruling",
          "text": "Mahāśivarātri, Tijuana, 2017: Friday 24 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": "2017-02-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-02-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Mahāśivarātri 2017 falls on Friday 24 February. Caturdaśī runs from 08:09 on Fri 24 Feb to 07:51 on Sat 25 Feb and covers all of niśītha that night.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/vinayaka-chaturthi?on=2017-03-01",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-03-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35331,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-03-01T01:47:37-08:00",
          "utc": "2017-03-01T09:47:37Z",
          "ms": 1488361656744.312
        },
        "end": {
          "local": "2017-03-01T23:33:21-08:00",
          "utc": "2017-03-02T07:33:21Z",
          "ms": 1488440001474.4336
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-03-01T01:47:37-08:00",
          "utc": "2017-03-01T09:47:37Z",
          "ms": 1488361656744.312
        },
        "end": {
          "local": "2017-03-01T23:33:21-08:00",
          "utc": "2017-03-02T07:33:21Z",
          "ms": 1488440001474.4336
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-03-01",
          "window": {
            "start": {
              "local": "2017-03-01T11:36:28-08:00",
              "utc": "2017-03-01T19:36:28Z",
              "ms": 1488396987527.4995
            },
            "end": {
              "local": "2017-03-01T12:24:28-08:00",
              "utc": "2017-03-01T20:24:28Z",
              "ms": 1488399867527.4995
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-03-02",
          "window": {
            "start": {
              "local": "2017-03-02T11:36:15-08:00",
              "utc": "2017-03-02T19:36:15Z",
              "ms": 1488483375438.001
            },
            "end": {
              "local": "2017-03-02T12:24:15-08:00",
              "utc": "2017-03-02T20:24:15Z",
              "ms": 1488486255438.001
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 01:48 on Wed 1 Mar to 23:33 on Wed 1 Mar.",
          "fact": "2017-03-01T09:47:37Z → 2017-03-02T07:33:21Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 1st, 11:36–12:24 on the 2nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 35331 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Tijuana, 2017: Wednesday 1 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": "2017-03-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-03-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Vināyaka Caturthī 2017 falls on Wednesday 1 March. Caturthī runs from 01:48 on Wed 1 Mar to 23:33 on Wed 1 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/vinayaka-chaturthi?on=2017-03-01",
      "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/2017/ekadashi?on=2017-03-08",
      "festival": "ekadashi",
      "name": "Āmalakī Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-03-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11567,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-03-07T10:47:57-08:00",
          "utc": "2017-03-07T18:47:57Z",
          "ms": 1488912477078.8267
        },
        "end": {
          "local": "2017-03-08T09:19:42-08:00",
          "utc": "2017-03-08T17:19:42Z",
          "ms": 1488993581615.8074
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-03-07T10:47:57-08:00",
          "utc": "2017-03-07T18:47:57Z",
          "ms": 1488912477078.8267
        },
        "end": {
          "local": "2017-03-08T09:19:42-08:00",
          "utc": "2017-03-08T17:19:42Z",
          "ms": 1488993581615.8074
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-03-07",
          "window": {
            "start": {
              "local": "2017-03-07T06:08:09-08:00",
              "utc": "2017-03-07T14:08:09Z",
              "ms": 1488895689367.4978
            },
            "end": {
              "local": "2017-03-07T06:08:09-08:00",
              "utc": "2017-03-07T14:08:09Z",
              "ms": 1488895689367.4978
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-03-08",
          "window": {
            "start": {
              "local": "2017-03-08T06:06:55-08:00",
              "utc": "2017-03-08T14:06:55Z",
              "ms": 1488982014701.897
            },
            "end": {
              "local": "2017-03-08T06:06:55-08:00",
              "utc": "2017-03-08T14:06:55Z",
              "ms": 1488982014701.897
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 10:48 on Tue 7 Mar to 09:20 on Wed 8 Mar.",
          "fact": "2017-03-07T18:47:57Z → 2017-03-08T17:19:42Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:08 on the 7th and 06:07 on the 8th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 7th and is on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 11567 s"
        },
        {
          "step": "ruling",
          "text": "Āmalakī Ekādaśī, Tijuana, 2017: Wednesday 8 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": "2017-03-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-03-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Āmalakī Ekādaśī 2017 falls on Wednesday 8 March. Ekādaśī runs from 10:48 on Tue 7 Mar to 09:20 on Wed 8 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-03-08",
      "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/2017/pradosha-vrata?on=2017-03-09",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-03-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34922,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-03-09T08:09:34-08:00",
          "utc": "2017-03-09T16:09:34Z",
          "ms": 1489075774405.0093
        },
        "end": {
          "local": "2017-03-10T07:20:06-08:00",
          "utc": "2017-03-10T15:20:06Z",
          "ms": 1489159205789.4292
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-03-09T08:09:34-08:00",
          "utc": "2017-03-09T16:09:34Z",
          "ms": 1489075774405.0093
        },
        "end": {
          "local": "2017-03-10T07:20:06-08:00",
          "utc": "2017-03-10T15:20:06Z",
          "ms": 1489159205789.4292
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-03-09",
          "window": {
            "start": {
              "local": "2017-03-09T17:51:36-08:00",
              "utc": "2017-03-10T01:51:36Z",
              "ms": 1489110696465.7134
            },
            "end": {
              "local": "2017-03-09T19:29:19-08:00",
              "utc": "2017-03-10T03:29:19Z",
              "ms": 1489116558806.3538
            }
          },
          "covered_min": 98,
          "window_min": 98,
          "qualifies": true
        },
        {
          "local_date": "2017-03-10",
          "window": {
            "start": {
              "local": "2017-03-10T17:52:21-08:00",
              "utc": "2017-03-11T01:52:21Z",
              "ms": 1489197141024.055
            },
            "end": {
              "local": "2017-03-10T19:29:47-08:00",
              "utc": "2017-03-11T03:29:47Z",
              "ms": 1489202987296.7532
            }
          },
          "covered_min": 0,
          "window_min": 97,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 08:10 on Thu 9 Mar to 07:20 on Fri 10 Mar.",
          "fact": "2017-03-09T16:09:34Z → 2017-03-10T15:20:06Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:52–19:29 on the 9th, 17:52–19:30 on the 10th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 9th and 0 of 97 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34922 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Tijuana, 2017: Thursday 9 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": "2017-03-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-03-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śukla Pradoṣa Vrata 2017 falls on Thursday 9 March. Trayodaśī runs from 08:10 on Thu 9 Mar to 07:20 on Fri 10 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-03-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/holika-dahana",
      "festival": "holika-dahana",
      "name": "Holikā Dahana",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-03-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31030,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2017-03-11T06:53:56-08:00",
          "utc": "2017-03-11T14:53:56Z",
          "ms": 1489244036127.8308
        },
        "end": {
          "local": "2017-03-12T07:53:47-07:00",
          "utc": "2017-03-12T14:53:47Z",
          "ms": 1489330426701.37
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-03-11T06:53:56-08:00",
          "utc": "2017-03-11T14:53:56Z",
          "ms": 1489244036127.8308
        },
        "end": {
          "local": "2017-03-12T07:53:47-07:00",
          "utc": "2017-03-12T14:53:47Z",
          "ms": 1489330426701.37
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2017-03-11",
          "window": {
            "start": {
              "local": "2017-03-11T15:31:06-08:00",
              "utc": "2017-03-11T23:31:06Z",
              "ms": 1489275065873.742
            },
            "end": {
              "local": "2017-03-11T17:53:05-08:00",
              "utc": "2017-03-12T01:53:05Z",
              "ms": 1489283585324.8545
            }
          },
          "covered_min": 142,
          "window_min": 142,
          "qualifies": true
        },
        {
          "local_date": "2017-03-12",
          "window": {
            "start": {
              "local": "2017-03-12T16:31:26-07:00",
              "utc": "2017-03-12T23:31:26Z",
              "ms": 1489361485858.014
            },
            "end": {
              "local": "2017-03-12T18:53:49-07:00",
              "utc": "2017-03-13T01:53:49Z",
              "ms": 1489370029383.8755
            }
          },
          "covered_min": 0,
          "window_min": 142,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 06:54 on Sat 11 Mar to 07:54 on Sun 12 Mar.",
          "fact": "2017-03-11T14:53:56Z → 2017-03-12T14:53:47Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:31–17:53 on the 11th, 16:31–18:54 on the 12th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 142 of 142 minutes on the 11th and 0 of 142 on the 12th.",
          "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 31030 s"
        },
        {
          "step": "ruling",
          "text": "Holikā Dahana, Tijuana, 2017: Saturday 11 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": "2017-03-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-03-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Holikā Dahana 2017 falls on Saturday 11 March. Pūrṇimā runs from 06:54 on Sat 11 Mar to 07:54 on Sun 12 Mar and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/holi",
      "festival": "holi",
      "name": "Holī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-03-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31030,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2017-03-11T06:53:56-08:00",
          "utc": "2017-03-11T14:53:56Z",
          "ms": 1489244036127.8308
        },
        "end": {
          "local": "2017-03-12T07:53:47-07:00",
          "utc": "2017-03-12T14:53:47Z",
          "ms": 1489330426701.37
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-03-11T06:53:56-08:00",
          "utc": "2017-03-11T14:53:56Z",
          "ms": 1489244036127.8308
        },
        "end": {
          "local": "2017-03-12T07:53:47-07:00",
          "utc": "2017-03-12T14:53:47Z",
          "ms": 1489330426701.37
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2017-03-11",
          "window": {
            "start": {
              "local": "2017-03-11T15:31:06-08:00",
              "utc": "2017-03-11T23:31:06Z",
              "ms": 1489275065873.742
            },
            "end": {
              "local": "2017-03-11T17:53:05-08:00",
              "utc": "2017-03-12T01:53:05Z",
              "ms": 1489283585324.8545
            }
          },
          "covered_min": 142,
          "window_min": 142,
          "qualifies": true
        },
        {
          "local_date": "2017-03-12",
          "window": {
            "start": {
              "local": "2017-03-12T16:31:26-07:00",
              "utc": "2017-03-12T23:31:26Z",
              "ms": 1489361485858.014
            },
            "end": {
              "local": "2017-03-12T18:53:49-07:00",
              "utc": "2017-03-13T01:53:49Z",
              "ms": 1489370029383.8755
            }
          },
          "covered_min": 0,
          "window_min": 142,
          "qualifies": false
        }
      ],
      "follows": {
        "festival": "holika-dahana",
        "name": "Holikā Dahana",
        "local_date": "2017-03-11",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 06:54 on Sat 11 Mar to 07:54 on Sun 12 Mar.",
          "fact": "2017-03-11T14:53:56Z → 2017-03-12T14:53:47Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:31–17:53 on the 11th, 16:31–18:54 on the 12th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 142 of 142 minutes on the 11th and 0 of 142 on the 12th.",
          "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 31030 s"
        },
        {
          "step": "counted",
          "text": "Holī is kept the day after Holikā Dahana: Saturday 11 March is the day taken above.",
          "fact": "follows: holika-dahana + 1 d"
        },
        {
          "step": "ruling",
          "text": "Holī, Tijuana, 2017: Sunday 12 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": "2017-03-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-03-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Holī 2017 falls on Sunday 12 March. It is kept the day after Holikā Dahana, which falls on Saturday 11 March. Pūrṇimā runs from 06:54 on Sat 11 Mar to 07:54 on Sun 12 Mar and covers all of sāyāhna on the 11th.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/vasantotsava",
      "festival": "vasantotsava",
      "name": "Vasantotsava",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-03-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3115,
      "anga": {
        "type": "tithi",
        "index": 15,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2017-03-12T07:53:47-07:00",
          "utc": "2017-03-12T14:53:47Z",
          "ms": 1489330426701.37
        },
        "end": {
          "local": "2017-03-13T08:21:58-07:00",
          "utc": "2017-03-13T15:21:58Z",
          "ms": 1489418517926.8315
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-03-12T07:53:47-07:00",
          "utc": "2017-03-12T14:53:47Z",
          "ms": 1489330426701.37
        },
        "end": {
          "local": "2017-03-13T08:21:58-07:00",
          "utc": "2017-03-13T15:21:58Z",
          "ms": 1489418517926.8315
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-03-12",
          "window": {
            "start": {
              "local": "2017-03-12T07:01:52-07:00",
              "utc": "2017-03-12T14:01:52Z",
              "ms": 1489327311754.5674
            },
            "end": {
              "local": "2017-03-12T07:01:52-07:00",
              "utc": "2017-03-12T14:01:52Z",
              "ms": 1489327311754.5674
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-03-13",
          "window": {
            "start": {
              "local": "2017-03-13T07:00:35-07:00",
              "utc": "2017-03-13T14:00:35Z",
              "ms": 1489413635108.645
            },
            "end": {
              "local": "2017-03-13T07:00:35-07:00",
              "utc": "2017-03-13T14:00:35Z",
              "ms": 1489413635108.645
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 07:54 on Sun 12 Mar to 08:22 on Mon 13 Mar.",
          "fact": "2017-03-12T14:53:47Z → 2017-03-13T15:21:58Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:02 on the 12th and 07:01 on the 13th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā 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: purvaviddha → only-day · margin 3115 s"
        },
        {
          "step": "ruling",
          "text": "Vasantotsava, Tijuana, 2017: Monday 13 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": "2017-03-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-03-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Vasantotsava 2017 falls on Monday 13 March. Pratipadā runs from 07:54 on Sun 12 Mar to 08:22 on Mon 13 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/sankashta-chaturthi?on=2017-03-15",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-03-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36927,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-03-15T10:47:20-07:00",
          "utc": "2017-03-15T17:47:20Z",
          "ms": 1489600040132.7317
        },
        "end": {
          "local": "2017-03-16T12:41:29-07:00",
          "utc": "2017-03-16T19:41:29Z",
          "ms": 1489693288903.1035
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-03-15T10:47:20-07:00",
          "utc": "2017-03-15T17:47:20Z",
          "ms": 1489600040132.7317
        },
        "end": {
          "local": "2017-03-16T12:41:29-07:00",
          "utc": "2017-03-16T19:41:29Z",
          "ms": 1489693288903.1035
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2017-03-15",
          "window": {
            "start": {
              "local": "2017-03-15T22:03:16-07:00",
              "utc": "2017-03-16T05:03:16Z",
              "ms": 1489640595500.57
            },
            "end": {
              "local": "2017-03-15T22:03:16-07:00",
              "utc": "2017-03-16T05:03:16Z",
              "ms": 1489640595500.57
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-03-16",
          "window": {
            "start": {
              "local": "2017-03-16T22:56:56-07:00",
              "utc": "2017-03-17T05:56:56Z",
              "ms": 1489730216150.756
            },
            "end": {
              "local": "2017-03-16T22:56:56-07:00",
              "utc": "2017-03-17T05:56:56Z",
              "ms": 1489730216150.756
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 10:47 on Wed 15 Mar to 12:41 on Thu 16 Mar.",
          "fact": "2017-03-15T17:47:20Z → 2017-03-16T19:41:29Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:03 on the 15th and 22:57 on the 16th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 15th and is not on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 36927 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Tijuana, 2017: Wednesday 15 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": "2017-03-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-03-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Saṅkaṣṭa Caturthī 2017 falls on Wednesday 15 March. Caturthī runs from 10:47 on Wed 15 Mar to 12:41 on Thu 16 Mar and is current at moonrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/sankashta-chaturthi?on=2017-03-15",
      "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/2017/shitalashtami",
      "festival": "shitalashtami",
      "name": "Śītalāṣṭamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-03-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23369,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2017-03-19T19:49:20-07:00",
          "utc": "2017-03-20T02:49:20Z",
          "ms": 1489978159785.5193
        },
        "end": {
          "local": "2017-03-20T22:02:00-07:00",
          "utc": "2017-03-21T05:02:00Z",
          "ms": 1490072520472.3528
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-03-19T19:49:20-07:00",
          "utc": "2017-03-20T02:49:20Z",
          "ms": 1489978159785.5193
        },
        "end": {
          "local": "2017-03-20T22:02:00-07:00",
          "utc": "2017-03-21T05:02:00Z",
          "ms": 1490072520472.3528
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-03-19",
          "window": {
            "start": {
              "local": "2017-03-19T12:31:51-07:00",
              "utc": "2017-03-19T19:31:51Z",
              "ms": 1489951911182.5178
            },
            "end": {
              "local": "2017-03-19T13:19:51-07:00",
              "utc": "2017-03-19T20:19:51Z",
              "ms": 1489954791182.5178
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-03-20",
          "window": {
            "start": {
              "local": "2017-03-20T12:31:33-07:00",
              "utc": "2017-03-20T19:31:33Z",
              "ms": 1490038293470.6782
            },
            "end": {
              "local": "2017-03-20T13:19:33-07:00",
              "utc": "2017-03-20T20:19:33Z",
              "ms": 1490041173470.6782
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 19:49 on Sun 19 Mar to 22:02 on Mon 20 Mar.",
          "fact": "2017-03-20T02:49:20Z → 2017-03-21T05:02:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 19th, 12:32–13:20 on the 20th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 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. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 23369 s"
        },
        {
          "step": "ruling",
          "text": "Śītalāṣṭamī, Tijuana, 2017: Monday 20 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": "2017-03-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-03-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śītalāṣṭamī 2017 falls on Monday 20 March. Aṣṭamī runs from 19:49 on Sun 19 Mar to 22:02 on Mon 20 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ekadashi?on=2017-03-23",
      "festival": "ekadashi",
      "name": "Pāpamocanī Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-03-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19349,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-03-23T00:57:48-07:00",
          "utc": "2017-03-23T07:57:48Z",
          "ms": 1490255868235.93
        },
        "end": {
          "local": "2017-03-24T01:23:50-07:00",
          "utc": "2017-03-24T08:23:50Z",
          "ms": 1490343829860.9163
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-03-23T00:57:48-07:00",
          "utc": "2017-03-23T07:57:48Z",
          "ms": 1490255868235.93
        },
        "end": {
          "local": "2017-03-24T01:23:50-07:00",
          "utc": "2017-03-24T08:23:50Z",
          "ms": 1490343829860.9163
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-03-23",
          "window": {
            "start": {
              "local": "2017-03-23T06:47:37-07:00",
              "utc": "2017-03-23T13:47:37Z",
              "ms": 1490276857283.2092
            },
            "end": {
              "local": "2017-03-23T06:47:37-07:00",
              "utc": "2017-03-23T13:47:37Z",
              "ms": 1490276857283.2092
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-03-24",
          "window": {
            "start": {
              "local": "2017-03-24T06:46:19-07:00",
              "utc": "2017-03-24T13:46:19Z",
              "ms": 1490363179019.766
            },
            "end": {
              "local": "2017-03-24T06:46:19-07:00",
              "utc": "2017-03-24T13:46:19Z",
              "ms": 1490363179019.766
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 00:58 on Thu 23 Mar to 01:24 on Fri 24 Mar.",
          "fact": "2017-03-23T07:57:48Z → 2017-03-24T08:23:50Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:48 on the 23rd and 06:46 on the 24th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 23rd and is not on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 19349 s"
        },
        {
          "step": "ruling",
          "text": "Pāpamocanī Ekādaśī, Tijuana, 2017: Thursday 23 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": "2017-03-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-03-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Pāpamocanī Ekādaśī 2017 falls on Thursday 23 March. Ekādaśī runs from 00:58 on Thu 23 Mar to 01:24 on Fri 24 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-03-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/pradosha-vrata?on=2017-03-25",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-03-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12167,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-03-25T01:03:52-07:00",
          "utc": "2017-03-25T08:03:52Z",
          "ms": 1490429031894.128
        },
        "end": {
          "local": "2017-03-25T23:59:19-07:00",
          "utc": "2017-03-26T06:59:19Z",
          "ms": 1490511558906.158
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-03-25T01:03:52-07:00",
          "utc": "2017-03-25T08:03:52Z",
          "ms": 1490429031894.128
        },
        "end": {
          "local": "2017-03-25T23:59:19-07:00",
          "utc": "2017-03-26T06:59:19Z",
          "ms": 1490511558906.158
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-03-24",
          "window": {
            "start": {
              "local": "2017-03-24T19:02:25-07:00",
              "utc": "2017-03-25T02:02:25Z",
              "ms": 1490407344623.5522
            },
            "end": {
              "local": "2017-03-24T20:36:05-07:00",
              "utc": "2017-03-25T03:36:05Z",
              "ms": 1490412965444.6887
            }
          },
          "covered_min": 0,
          "window_min": 94,
          "qualifies": false
        },
        {
          "local_date": "2017-03-25",
          "window": {
            "start": {
              "local": "2017-03-25T19:03:07-07:00",
              "utc": "2017-03-26T02:03:07Z",
              "ms": 1490493786826.805
            },
            "end": {
              "local": "2017-03-25T20:36:32-07:00",
              "utc": "2017-03-26T03:36:32Z",
              "ms": 1490499391596.088
            }
          },
          "covered_min": 93,
          "window_min": 93,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 01:04 on Sat 25 Mar to 23:59 on Sat 25 Mar.",
          "fact": "2017-03-25T08:03:52Z → 2017-03-26T06:59:19Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:02–20:36 on the 24th, 19:03–20:37 on the 25th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 24th and 93 of 93 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 12167 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 2017: Saturday 25 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": "2017-03-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-03-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 2017 falls on Saturday 25 March. Trayodaśī runs from 01:04 on Sat 25 Mar to 23:59 on Sat 25 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-03-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/shivaratri?on=2017-03-25",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-03-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1806,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2017-03-25T23:59:19-07:00",
          "utc": "2017-03-26T06:59:19Z",
          "ms": 1490511558906.158
        },
        "end": {
          "local": "2017-03-26T22:14:47-07:00",
          "utc": "2017-03-27T05:14:47Z",
          "ms": 1490591687352.1628
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-03-25T23:59:19-07:00",
          "utc": "2017-03-26T06:59:19Z",
          "ms": 1490511558906.158
        },
        "end": {
          "local": "2017-03-26T22:14:47-07:00",
          "utc": "2017-03-27T05:14:47Z",
          "ms": 1490591687352.1628
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2017-03-25",
          "window": {
            "start": {
              "local": "2017-03-26T00:29:25-07:00",
              "utc": "2017-03-26T07:29:25Z",
              "ms": 1490513364711.616
            },
            "end": {
              "local": "2017-03-26T01:17:25-07:00",
              "utc": "2017-03-26T08:17:25Z",
              "ms": 1490516244711.616
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-03-26",
          "window": {
            "start": {
              "local": "2017-03-27T00:29:07-07:00",
              "utc": "2017-03-27T07:29:07Z",
              "ms": 1490599746726.5566
            },
            "end": {
              "local": "2017-03-27T01:17:07-07:00",
              "utc": "2017-03-27T08:17:07Z",
              "ms": 1490602626726.5566
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 23:59 on Sat 25 Mar to 22:15 on Sun 26 Mar.",
          "fact": "2017-03-26T06:59:19Z → 2017-03-27T05:14:47Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:29–01:17 on the 25th, 00:29–01:17 on the 26th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1806 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Tijuana, 2017: Saturday 25 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": "2017-03-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-03-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śivarātri 2017 falls on Saturday 25 March. Caturdaśī runs from 23:59 on Sat 25 Mar to 22:15 on Sun 26 Mar and covers all of niśītha that night.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/shivaratri?on=2017-03-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/navaratra-arambha-caitra",
      "festival": "navaratra-arambha-caitra",
      "name": "Navarātrārambha (Caitra)",
      "everyday": "Chaitra Navratri",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-03-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14266,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2017-03-27T19:57:12-07:00",
          "utc": "2017-03-28T02:57:12Z",
          "ms": 1490669832152.7673
        },
        "end": {
          "local": "2017-03-28T17:14:56-07:00",
          "utc": "2017-03-29T00:14:56Z",
          "ms": 1490746495542.967
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-03-27T19:57:12-07:00",
          "utc": "2017-03-28T02:57:12Z",
          "ms": 1490669832152.7673
        },
        "end": {
          "local": "2017-03-28T17:14:56-07:00",
          "utc": "2017-03-29T00:14:56Z",
          "ms": 1490746495542.967
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-03-27",
          "window": {
            "start": {
              "local": "2017-03-27T12:29:28-07:00",
              "utc": "2017-03-27T19:29:28Z",
              "ms": 1490642967766.3574
            },
            "end": {
              "local": "2017-03-27T13:17:28-07:00",
              "utc": "2017-03-27T20:17:28Z",
              "ms": 1490645847766.3574
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-03-28",
          "window": {
            "start": {
              "local": "2017-03-28T12:29:10-07:00",
              "utc": "2017-03-28T19:29:10Z",
              "ms": 1490729349777.033
            },
            "end": {
              "local": "2017-03-28T13:17:10-07:00",
              "utc": "2017-03-28T20:17:10Z",
              "ms": 1490732229777.033
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 19:57 on Mon 27 Mar to 17:15 on Tue 28 Mar.",
          "fact": "2017-03-28T02:57:12Z → 2017-03-29T00:14:56Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 27th, 12:29–13:17 on the 28th.",
          "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 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 14266 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha (Caitra), Tijuana, 2017: Tuesday 28 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": "2017-03-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-03-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Navarātrārambha (Caitra) (Chaitra Navratri) 2017 falls on Tuesday 28 March. Pratipadā runs from 19:57 on Mon 27 Mar to 17:15 on Tue 28 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/gauri-tritiya",
      "festival": "gauri-tritiya",
      "name": "Gaurī Tṛtīyā",
      "everyday": "Gangaur",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-03-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3612,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2017-03-29T14:17:03-07:00",
          "utc": "2017-03-29T21:17:03Z",
          "ms": 1490822223448.8726
        },
        "end": {
          "local": "2017-03-30T11:12:50-07:00",
          "utc": "2017-03-30T18:12:50Z",
          "ms": 1490897569709.232
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-03-29T14:17:03-07:00",
          "utc": "2017-03-29T21:17:03Z",
          "ms": 1490822223448.8726
        },
        "end": {
          "local": "2017-03-30T11:12:50-07:00",
          "utc": "2017-03-30T18:12:50Z",
          "ms": 1490897569709.232
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-03-29",
          "window": {
            "start": {
              "local": "2017-03-29T12:28:52-07:00",
              "utc": "2017-03-29T19:28:52Z",
              "ms": 1490815731827.5215
            },
            "end": {
              "local": "2017-03-29T13:16:52-07:00",
              "utc": "2017-03-29T20:16:52Z",
              "ms": 1490818611827.5215
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-03-30",
          "window": {
            "start": {
              "local": "2017-03-30T12:28:34-07:00",
              "utc": "2017-03-30T19:28:34Z",
              "ms": 1490902113932.5593
            },
            "end": {
              "local": "2017-03-30T13:16:34-07:00",
              "utc": "2017-03-30T20:16:34Z",
              "ms": 1490904993932.5593
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 14:17 on Wed 29 Mar to 11:13 on Thu 30 Mar.",
          "fact": "2017-03-29T21:17:03Z → 2017-03-30T18:12:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 29th, 12:29–13:17 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 0 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": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: unstated → second-day · margin 3612 s"
        },
        {
          "step": "ruling",
          "text": "Gaurī Tṛtīyā, Tijuana, 2017: Thursday 30 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": "2017-03-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-03-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Gaurī Tṛtīyā (Gangaur) 2017 falls on Thursday 30 March. Tṛtīyā runs from 14:17 on Wed 29 Mar to 11:13 on Thu 30 Mar, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/saubhagya-shayana-vrata",
      "festival": "saubhagya-shayana-vrata",
      "name": "Saubhāgya Śayana Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-03-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3612,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2017-03-29T14:17:03-07:00",
          "utc": "2017-03-29T21:17:03Z",
          "ms": 1490822223448.8726
        },
        "end": {
          "local": "2017-03-30T11:12:50-07:00",
          "utc": "2017-03-30T18:12:50Z",
          "ms": 1490897569709.232
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-03-29T14:17:03-07:00",
          "utc": "2017-03-29T21:17:03Z",
          "ms": 1490822223448.8726
        },
        "end": {
          "local": "2017-03-30T11:12:50-07:00",
          "utc": "2017-03-30T18:12:50Z",
          "ms": 1490897569709.232
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-03-29",
          "window": {
            "start": {
              "local": "2017-03-29T12:28:52-07:00",
              "utc": "2017-03-29T19:28:52Z",
              "ms": 1490815731827.5215
            },
            "end": {
              "local": "2017-03-29T13:16:52-07:00",
              "utc": "2017-03-29T20:16:52Z",
              "ms": 1490818611827.5215
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-03-30",
          "window": {
            "start": {
              "local": "2017-03-30T12:28:34-07:00",
              "utc": "2017-03-30T19:28:34Z",
              "ms": 1490902113932.5593
            },
            "end": {
              "local": "2017-03-30T13:16:34-07:00",
              "utc": "2017-03-30T20:16:34Z",
              "ms": 1490904993932.5593
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 14:17 on Wed 29 Mar to 11:13 on Thu 30 Mar.",
          "fact": "2017-03-29T21:17:03Z → 2017-03-30T18:12:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 29th, 12:29–13:17 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 0 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": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: paraviddha → second-day · margin 3612 s"
        },
        {
          "step": "ruling",
          "text": "Saubhāgya Śayana Vrata, Tijuana, 2017: Thursday 30 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": "2017-03-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-03-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Saubhāgya Śayana Vrata 2017 falls on Thursday 30 March. Tṛtīyā runs from 14:17 on Wed 29 Mar to 11:13 on Thu 30 Mar, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/vinayaka-chaturthi?on=2017-03-30",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-03-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4544,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-03-30T11:12:50-07:00",
          "utc": "2017-03-30T18:12:50Z",
          "ms": 1490897569709.232
        },
        "end": {
          "local": "2017-03-31T08:11:06-07:00",
          "utc": "2017-03-31T15:11:06Z",
          "ms": 1490973066137.598
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-03-30T11:12:50-07:00",
          "utc": "2017-03-30T18:12:50Z",
          "ms": 1490897569709.232
        },
        "end": {
          "local": "2017-03-31T08:11:06-07:00",
          "utc": "2017-03-31T15:11:06Z",
          "ms": 1490973066137.598
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-03-30",
          "window": {
            "start": {
              "local": "2017-03-30T12:28:34-07:00",
              "utc": "2017-03-30T19:28:34Z",
              "ms": 1490902113932.5593
            },
            "end": {
              "local": "2017-03-30T13:16:34-07:00",
              "utc": "2017-03-30T20:16:34Z",
              "ms": 1490904993932.5593
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-03-31",
          "window": {
            "start": {
              "local": "2017-03-31T12:28:16-07:00",
              "utc": "2017-03-31T19:28:16Z",
              "ms": 1490988496107.1807
            },
            "end": {
              "local": "2017-03-31T13:16:16-07:00",
              "utc": "2017-03-31T20:16:16Z",
              "ms": 1490991376107.1807
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:13 on Thu 30 Mar to 08:11 on Fri 31 Mar.",
          "fact": "2017-03-30T18:12:50Z → 2017-03-31T15:11:06Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 30th, 12:28–13:16 on the 31st.",
          "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 30th and 0 of 48 on the 31st.",
          "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 4544 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Tijuana, 2017: Thursday 30 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": "2017-03-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-03-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Vināyaka Caturthī 2017 falls on Thursday 30 March. Caturthī runs from 11:13 on Thu 30 Mar to 08:11 on Fri 31 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/vinayaka-chaturthi?on=2017-03-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/lakshmi-panchami",
      "festival": "lakshmi-panchami",
      "name": "Lakṣmī Pañcamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-03-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15430,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2017-03-31T08:11:06-07:00",
          "utc": "2017-03-31T15:11:06Z",
          "ms": 1490973066137.598
        },
        "end": {
          "local": "2017-04-01T05:19:56-07:00",
          "utc": "2017-04-01T12:19:56Z",
          "ms": 1491049196222.0974
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-03-31T08:11:06-07:00",
          "utc": "2017-03-31T15:11:06Z",
          "ms": 1490973066137.598
        },
        "end": {
          "local": "2017-04-01T05:19:56-07:00",
          "utc": "2017-04-01T12:19:56Z",
          "ms": 1491049196222.0974
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-03-31",
          "window": {
            "start": {
              "local": "2017-03-31T12:28:16-07:00",
              "utc": "2017-03-31T19:28:16Z",
              "ms": 1490988496107.1807
            },
            "end": {
              "local": "2017-03-31T13:16:16-07:00",
              "utc": "2017-03-31T20:16:16Z",
              "ms": 1490991376107.1807
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-04-01",
          "window": {
            "start": {
              "local": "2017-04-01T12:27:58-07:00",
              "utc": "2017-04-01T19:27:58Z",
              "ms": 1491074878367.1821
            },
            "end": {
              "local": "2017-04-01T13:15:58-07:00",
              "utc": "2017-04-01T20:15:58Z",
              "ms": 1491077758367.1821
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 08:11 on Fri 31 Mar to 05:20 on Sat 1 Apr.",
          "fact": "2017-03-31T15:11:06Z → 2017-04-01T12:19:56Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 31st, 12:28–13:16 on the 1st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 31st and 0 of 48 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 15430 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pañcamī, Tijuana, 2017: Friday 31 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": "2017-03-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-03-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Lakṣmī Pañcamī 2017 falls on Friday 31 March. Pañcamī runs from 08:11 on Fri 31 Mar to 05:20 on Sat 1 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/bhavani-utpatti",
      "festival": "bhavani-utpatti",
      "name": "Bhavānī Utpatti",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-04-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34509,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2017-04-03T00:35:12-07:00",
          "utc": "2017-04-03T07:35:12Z",
          "ms": 1491204911706.0447
        },
        "end": {
          "local": "2017-04-03T22:50:32-07:00",
          "utc": "2017-04-04T05:50:32Z",
          "ms": 1491285031803.599
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-04-03T00:35:12-07:00",
          "utc": "2017-04-03T07:35:12Z",
          "ms": 1491204911706.0447
        },
        "end": {
          "local": "2017-04-03T22:50:32-07:00",
          "utc": "2017-04-04T05:50:32Z",
          "ms": 1491285031803.599
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-04-02",
          "window": {
            "start": {
              "local": "2017-04-02T12:27:41-07:00",
              "utc": "2017-04-02T19:27:41Z",
              "ms": 1491161260729.1377
            },
            "end": {
              "local": "2017-04-02T13:15:41-07:00",
              "utc": "2017-04-02T20:15:41Z",
              "ms": 1491164140729.1377
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-04-03",
          "window": {
            "start": {
              "local": "2017-04-03T12:27:23-07:00",
              "utc": "2017-04-03T19:27:23Z",
              "ms": 1491247643210.6948
            },
            "end": {
              "local": "2017-04-03T13:15:23-07:00",
              "utc": "2017-04-03T20:15:23Z",
              "ms": 1491250523210.6948
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 00:35 on Mon 3 Apr to 22:51 on Mon 3 Apr.",
          "fact": "2017-04-03T07:35:12Z → 2017-04-04T05:50:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 2nd, 12:27–13:15 on the 3rd.",
          "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 2nd and 48 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 34509 s"
        },
        {
          "step": "ruling",
          "text": "Bhavānī Utpatti, Tijuana, 2017: Monday 3 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": "2017-04-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-04-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Bhavānī Utpatti 2017 falls on Monday 3 April. Aṣṭamī runs from 00:35 on Mon 3 Apr to 22:51 on Mon 3 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/rama-navami",
      "festival": "rama-navami",
      "name": "Rāma Navamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-04-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29934,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2017-04-03T22:50:32-07:00",
          "utc": "2017-04-04T05:50:32Z",
          "ms": 1491285031803.599
        },
        "end": {
          "local": "2017-04-04T21:34:00-07:00",
          "utc": "2017-04-05T04:34:00Z",
          "ms": 1491366840133.9294
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-04-03T22:50:32-07:00",
          "utc": "2017-04-04T05:50:32Z",
          "ms": 1491285031803.599
        },
        "end": {
          "local": "2017-04-04T21:34:00-07:00",
          "utc": "2017-04-05T04:34:00Z",
          "ms": 1491366840133.9294
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-04-03",
          "window": {
            "start": {
              "local": "2017-04-03T12:27:23-07:00",
              "utc": "2017-04-03T19:27:23Z",
              "ms": 1491247643210.6948
            },
            "end": {
              "local": "2017-04-03T13:15:23-07:00",
              "utc": "2017-04-03T20:15:23Z",
              "ms": 1491250523210.6948
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-04-04",
          "window": {
            "start": {
              "local": "2017-04-04T12:27:06-07:00",
              "utc": "2017-04-04T19:27:06Z",
              "ms": 1491334025830.5112
            },
            "end": {
              "local": "2017-04-04T13:15:06-07:00",
              "utc": "2017-04-04T20:15:06Z",
              "ms": 1491336905830.5112
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 22:51 on Mon 3 Apr to 21:34 on Tue 4 Apr.",
          "fact": "2017-04-04T05:50:32Z → 2017-04-05T04:34:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 3rd, 12:27–13:15 on the 4th.",
          "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 3rd and 48 of 48 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 29934 s"
        },
        {
          "step": "ruling",
          "text": "Rāma Navamī, Tijuana, 2017: Tuesday 4 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": "2017-04-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-04-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Rāma Navamī 2017 falls on Tuesday 4 April. Navamī runs from 22:51 on Mon 3 Apr to 21:34 on Tue 4 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ekadashi?on=2017-04-06",
      "festival": "ekadashi",
      "name": "Kāmadā Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-04-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35023,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-04-05T20:45:51-07:00",
          "utc": "2017-04-06T03:45:51Z",
          "ms": 1491450350632.8306
        },
        "end": {
          "local": "2017-04-06T20:25:09-07:00",
          "utc": "2017-04-07T03:25:09Z",
          "ms": 1491535508559.2822
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-04-05T20:45:51-07:00",
          "utc": "2017-04-06T03:45:51Z",
          "ms": 1491450350632.8306
        },
        "end": {
          "local": "2017-04-06T20:25:09-07:00",
          "utc": "2017-04-07T03:25:09Z",
          "ms": 1491535508559.2822
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-04-06",
          "window": {
            "start": {
              "local": "2017-04-06T06:29:33-07:00",
              "utc": "2017-04-06T13:29:33Z",
              "ms": 1491485373185.7048
            },
            "end": {
              "local": "2017-04-06T06:29:33-07:00",
              "utc": "2017-04-06T13:29:33Z",
              "ms": 1491485373185.7048
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-04-07",
          "window": {
            "start": {
              "local": "2017-04-07T06:28:18-07:00",
              "utc": "2017-04-07T13:28:18Z",
              "ms": 1491571697627.594
            },
            "end": {
              "local": "2017-04-07T06:28:18-07:00",
              "utc": "2017-04-07T13:28:18Z",
              "ms": 1491571697627.594
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 20:46 on Wed 5 Apr to 20:25 on Thu 6 Apr.",
          "fact": "2017-04-06T03:45:51Z → 2017-04-07T03:25:09Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:30 on the 6th and 06:28 on the 7th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 35023 s"
        },
        {
          "step": "ruling",
          "text": "Kāmadā Ekādaśī, Tijuana, 2017: Thursday 6 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": "2017-04-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-04-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Kāmadā Ekādaśī 2017 falls on Thursday 6 April. Ekādaśī runs from 20:46 on Wed 5 Apr to 20:25 on Thu 6 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-04-06",
      "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/2017/ananga-trayodashi",
      "festival": "ananga-trayodashi",
      "name": "Anaṅga Trayodaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-04-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26169,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-04-07T20:30:24-07:00",
          "utc": "2017-04-08T03:30:24Z",
          "ms": 1491622224198.3481
        },
        "end": {
          "local": "2017-04-08T21:00:05-07:00",
          "utc": "2017-04-09T04:00:05Z",
          "ms": 1491710405150.713
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-04-07T20:30:24-07:00",
          "utc": "2017-04-08T03:30:24Z",
          "ms": 1491622224198.3481
        },
        "end": {
          "local": "2017-04-08T21:00:05-07:00",
          "utc": "2017-04-09T04:00:05Z",
          "ms": 1491710405150.713
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-04-07",
          "window": {
            "start": {
              "local": "2017-04-07T12:26:15-07:00",
              "utc": "2017-04-07T19:26:15Z",
              "ms": 1491593174717.3828
            },
            "end": {
              "local": "2017-04-07T13:14:15-07:00",
              "utc": "2017-04-07T20:14:15Z",
              "ms": 1491596054717.3828
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-04-08",
          "window": {
            "start": {
              "local": "2017-04-08T12:25:58-07:00",
              "utc": "2017-04-08T19:25:58Z",
              "ms": 1491679558090.4355
            },
            "end": {
              "local": "2017-04-08T13:13:58-07:00",
              "utc": "2017-04-08T20:13:58Z",
              "ms": 1491682438090.4355
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:30 on Fri 7 Apr to 21:00 on Sat 8 Apr.",
          "fact": "2017-04-08T03:30:24Z → 2017-04-09T04:00:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 7th, 12:26–13:14 on the 8th.",
          "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 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: purvaviddha → only-day · margin 26169 s"
        },
        {
          "step": "ruling",
          "text": "Anaṅga Trayodaśī, Tijuana, 2017: Saturday 8 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": "2017-04-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-04-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Anaṅga Trayodaśī 2017 falls on Saturday 8 April. Trayodaśī runs from 20:30 on Fri 7 Apr to 21:00 on Sat 8 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/pradosha-vrata?on=2017-04-08",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-04-08",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 706,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-04-07T20:30:24-07:00",
          "utc": "2017-04-08T03:30:24Z",
          "ms": 1491622224198.3481
        },
        "end": {
          "local": "2017-04-08T21:00:05-07:00",
          "utc": "2017-04-09T04:00:05Z",
          "ms": 1491710405150.713
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-04-07T20:30:24-07:00",
          "utc": "2017-04-08T03:30:24Z",
          "ms": 1491622224198.3481
        },
        "end": {
          "local": "2017-04-08T21:00:05-07:00",
          "utc": "2017-04-09T04:00:05Z",
          "ms": 1491710405150.713
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-04-07",
          "window": {
            "start": {
              "local": "2017-04-07T19:12:12-07:00",
              "utc": "2017-04-08T02:12:12Z",
              "ms": 1491617531807.1719
            },
            "end": {
              "local": "2017-04-07T20:42:11-07:00",
              "utc": "2017-04-08T03:42:11Z",
              "ms": 1491622930562.5605
            }
          },
          "covered_min": 12,
          "window_min": 90,
          "qualifies": true
        },
        {
          "local_date": "2017-04-08",
          "window": {
            "start": {
              "local": "2017-04-08T19:12:54-07:00",
              "utc": "2017-04-09T02:12:54Z",
              "ms": 1491703973708.284
            },
            "end": {
              "local": "2017-04-08T20:42:37-07:00",
              "utc": "2017-04-09T03:42:37Z",
              "ms": 1491709356914.0083
            }
          },
          "covered_min": 90,
          "window_min": 90,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:30 on Fri 7 Apr to 21:00 on Sat 8 Apr.",
          "fact": "2017-04-08T03:30:24Z → 2017-04-09T04:00:05Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:12–20:42 on the 7th, 19:13–20:43 on the 8th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 12 of 90 minutes on the 7th and 90 of 90 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 706 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Tijuana, 2017: Saturday 8 April.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-04-08",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-04-08",
          "confidence": "boundary"
        }
      ],
      "quote": "In Tijuana, Śukla Pradoṣa Vrata 2017 falls on Saturday 8 April. Trayodaśī runs from 20:30 on Fri 7 Apr to 21:00 on Sat 8 Apr and covers all of pradoṣa that evening. It also reaches the previous evening for 12 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-04-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/vishnu-damanaka-chaturdashi",
      "festival": "vishnu-damanaka-chaturdashi",
      "name": "Viṣṇudamanaka Caturdaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-04-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27967,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2017-04-08T21:00:05-07:00",
          "utc": "2017-04-09T04:00:05Z",
          "ms": 1491710405150.713
        },
        "end": {
          "local": "2017-04-09T21:52:57-07:00",
          "utc": "2017-04-10T04:52:57Z",
          "ms": 1491799977064.9207
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-04-08T21:00:05-07:00",
          "utc": "2017-04-09T04:00:05Z",
          "ms": 1491710405150.713
        },
        "end": {
          "local": "2017-04-09T21:52:57-07:00",
          "utc": "2017-04-10T04:52:57Z",
          "ms": 1491799977064.9207
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-04-08",
          "window": {
            "start": {
              "local": "2017-04-08T12:25:58-07:00",
              "utc": "2017-04-08T19:25:58Z",
              "ms": 1491679558090.4355
            },
            "end": {
              "local": "2017-04-08T13:13:58-07:00",
              "utc": "2017-04-08T20:13:58Z",
              "ms": 1491682438090.4355
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-04-09",
          "window": {
            "start": {
              "local": "2017-04-09T12:25:42-07:00",
              "utc": "2017-04-09T19:25:42Z",
              "ms": 1491765941703.4546
            },
            "end": {
              "local": "2017-04-09T13:13:42-07:00",
              "utc": "2017-04-09T20:13:42Z",
              "ms": 1491768821703.4546
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 21:00 on Sat 8 Apr to 21:53 on Sun 9 Apr.",
          "fact": "2017-04-09T04:00:05Z → 2017-04-10T04:52:57Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 8th, 12:26–13:14 on the 9th.",
          "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 8th and 48 of 48 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 27967 s"
        },
        {
          "step": "ruling",
          "text": "Viṣṇudamanaka Caturdaśī, Tijuana, 2017: Sunday 9 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": "2017-04-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-04-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Viṣṇudamanaka Caturdaśī 2017 falls on Sunday 9 April. Caturdaśī runs from 21:00 on Sat 8 Apr to 21:53 on Sun 9 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/chaitri-purnima",
      "festival": "chaitri-purnima",
      "name": "Caitrī Pūrṇimā",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-04-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31155,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2017-04-09T21:52:57-07:00",
          "utc": "2017-04-10T04:52:57Z",
          "ms": 1491799977064.9207
        },
        "end": {
          "local": "2017-04-10T23:08:05-07:00",
          "utc": "2017-04-11T06:08:05Z",
          "ms": 1491890885341.0068
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-04-09T21:52:57-07:00",
          "utc": "2017-04-10T04:52:57Z",
          "ms": 1491799977064.9207
        },
        "end": {
          "local": "2017-04-10T23:08:05-07:00",
          "utc": "2017-04-11T06:08:05Z",
          "ms": 1491890885341.0068
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-04-09",
          "window": {
            "start": {
              "local": "2017-04-09T12:25:42-07:00",
              "utc": "2017-04-09T19:25:42Z",
              "ms": 1491765941703.4546
            },
            "end": {
              "local": "2017-04-09T13:13:42-07:00",
              "utc": "2017-04-09T20:13:42Z",
              "ms": 1491768821703.4546
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-04-10",
          "window": {
            "start": {
              "local": "2017-04-10T12:25:26-07:00",
              "utc": "2017-04-10T19:25:26Z",
              "ms": 1491852325577.0447
            },
            "end": {
              "local": "2017-04-10T13:13:26-07:00",
              "utc": "2017-04-10T20:13:26Z",
              "ms": 1491855205577.0447
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 21:53 on Sun 9 Apr to 23:08 on Mon 10 Apr.",
          "fact": "2017-04-10T04:52:57Z → 2017-04-11T06:08:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 9th, 12:25–13:13 on the 10th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 31155 s"
        },
        {
          "step": "ruling",
          "text": "Caitrī Pūrṇimā, Tijuana, 2017: Monday 10 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": "2017-04-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-04-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Caitrī Pūrṇimā 2017 falls on Monday 10 April. Pūrṇimā runs from 21:53 on Sun 9 Apr to 23:08 on Mon 10 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/vaishakhi",
      "festival": "vaishakhi",
      "name": "Vaiśākhī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-04-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25991,
      "anga": {
        "type": "sankranti",
        "index": 0,
        "key": "mesha",
        "name": "Meṣa",
        "start": {
          "local": "2017-04-13T13:34:05-07:00",
          "utc": "2017-04-13T20:34:05Z",
          "ms": 1492115644581.7095
        },
        "end": {
          "local": "2017-05-14T10:26:47-07:00",
          "utc": "2017-05-14T17:26:47Z",
          "ms": 1494782807472.927
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2017-04-13T13:34:05-07:00",
          "utc": "2017-04-13T20:34:05Z",
          "ms": 1492115644581.7095
        },
        "end": {
          "local": "2017-04-13T13:34:05-07:00",
          "utc": "2017-04-13T20:34:05Z",
          "ms": 1492115644581.7095
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2017-04-12",
          "window": {
            "start": {
              "local": "2017-04-12T06:22:06-07:00",
              "utc": "2017-04-12T13:22:06Z",
              "ms": 1492003326493.832
            },
            "end": {
              "local": "2017-04-13T06:20:54-07:00",
              "utc": "2017-04-13T13:20:54Z",
              "ms": 1492089653811.2922
            }
          },
          "covered_min": 0,
          "window_min": 1439,
          "qualifies": false
        },
        {
          "local_date": "2017-04-13",
          "window": {
            "start": {
              "local": "2017-04-13T06:20:54-07:00",
              "utc": "2017-04-13T13:20:54Z",
              "ms": 1492089653811.2922
            },
            "end": {
              "local": "2017-04-14T06:19:42-07:00",
              "utc": "2017-04-14T13:19:42Z",
              "ms": 1492175981713.7192
            }
          },
          "covered_min": 1,
          "window_min": 1439,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Meṣa at 13:34 on Thu 13 Apr.",
          "fact": "2017-04-13T20:34:05Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 06:22 on the 12th, and from 06:21 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 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 sunrise → only-day · margin 25991 s"
        },
        {
          "step": "ruling",
          "text": "Vaiśākhī, Tijuana, 2017: Thursday 13 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "vaishakhi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)."
          },
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        ],
        "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.",
        "rashi": "Meṣa",
        "day_from": "sunrise"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2017-04-13",
          "statement": "Counted from midnight",
          "reference": {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunset-rule",
          "local_date": "2017-04-13",
          "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 2017 falls on Thursday 13 April. The Sun enters Meṣa at 13:34 on Thu 13 Apr, and the rule counts the day from sunrise.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/sankashta-chaturthi?on=2017-04-14",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-04-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25907,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-04-14T04:53:53-07:00",
          "utc": "2017-04-14T11:53:53Z",
          "ms": 1492170832826.796
        },
        "end": {
          "local": "2017-04-15T07:18:17-07:00",
          "utc": "2017-04-15T14:18:17Z",
          "ms": 1492265896531.388
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-04-14T04:53:53-07:00",
          "utc": "2017-04-14T11:53:53Z",
          "ms": 1492170832826.796
        },
        "end": {
          "local": "2017-04-15T07:18:17-07:00",
          "utc": "2017-04-15T14:18:17Z",
          "ms": 1492265896531.388
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2017-04-13",
          "window": {
            "start": {
              "local": "2017-04-13T21:42:05-07:00",
              "utc": "2017-04-14T04:42:05Z",
              "ms": 1492144925405.2112
            },
            "end": {
              "local": "2017-04-13T21:42:05-07:00",
              "utc": "2017-04-14T04:42:05Z",
              "ms": 1492144925405.2112
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-04-14",
          "window": {
            "start": {
              "local": "2017-04-14T22:34:39-07:00",
              "utc": "2017-04-15T05:34:39Z",
              "ms": 1492234478862.1628
            },
            "end": {
              "local": "2017-04-14T22:34:39-07:00",
              "utc": "2017-04-15T05:34:39Z",
              "ms": 1492234478862.1628
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 04:54 on Fri 14 Apr to 07:18 on Sat 15 Apr.",
          "fact": "2017-04-14T11:53:53Z → 2017-04-15T14:18:17Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:42 on the 13th and 22:35 on the 14th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 13th and is on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 25907 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Tijuana, 2017: Friday 14 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": "2017-04-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-04-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Saṅkaṣṭa Caturthī 2017 falls on Friday 14 April. Caturthī runs from 04:54 on Fri 14 Apr to 07:18 on Sat 15 Apr and is current at moonrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/sankashta-chaturthi?on=2017-04-14",
      "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/2017/ekadashi?on=2017-04-22",
      "festival": "ekadashi",
      "name": "Varūthinī Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-04-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33864,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-04-21T16:25:04-07:00",
          "utc": "2017-04-21T23:25:04Z",
          "ms": 1492817103606.9294
        },
        "end": {
          "local": "2017-04-22T15:34:54-07:00",
          "utc": "2017-04-22T22:34:54Z",
          "ms": 1492900493948.7305
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-04-21T16:25:04-07:00",
          "utc": "2017-04-21T23:25:04Z",
          "ms": 1492817103606.9294
        },
        "end": {
          "local": "2017-04-22T15:34:54-07:00",
          "utc": "2017-04-22T22:34:54Z",
          "ms": 1492900493948.7305
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-04-21",
          "window": {
            "start": {
              "local": "2017-04-21T06:11:36-07:00",
              "utc": "2017-04-21T13:11:36Z",
              "ms": 1492780295857.2207
            },
            "end": {
              "local": "2017-04-21T06:11:36-07:00",
              "utc": "2017-04-21T13:11:36Z",
              "ms": 1492780295857.2207
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-04-22",
          "window": {
            "start": {
              "local": "2017-04-22T06:10:29-07:00",
              "utc": "2017-04-22T13:10:29Z",
              "ms": 1492866629476.705
            },
            "end": {
              "local": "2017-04-22T06:10:29-07:00",
              "utc": "2017-04-22T13:10:29Z",
              "ms": 1492866629476.705
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 16:25 on Fri 21 Apr to 15:35 on Sat 22 Apr.",
          "fact": "2017-04-21T23:25:04Z → 2017-04-22T22:34:54Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:12 on the 21st and 06:10 on the 22nd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 21st and is on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 33864 s"
        },
        {
          "step": "ruling",
          "text": "Varūthinī Ekādaśī, Tijuana, 2017: Saturday 22 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": "2017-04-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-04-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Varūthinī Ekādaśī 2017 falls on Saturday 22 April. Ekādaśī runs from 16:25 on Fri 21 Apr to 15:35 on Sat 22 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-04-22",
      "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/2017/pradosha-vrata?on=2017-04-23",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-04-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19632,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-04-23T13:56:20-07:00",
          "utc": "2017-04-23T20:56:20Z",
          "ms": 1492980980048.224
        },
        "end": {
          "local": "2017-04-24T11:34:44-07:00",
          "utc": "2017-04-24T18:34:44Z",
          "ms": 1493058884236.6663
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-04-23T13:56:20-07:00",
          "utc": "2017-04-23T20:56:20Z",
          "ms": 1492980980048.224
        },
        "end": {
          "local": "2017-04-24T11:34:44-07:00",
          "utc": "2017-04-24T18:34:44Z",
          "ms": 1493058884236.6663
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-04-23",
          "window": {
            "start": {
              "local": "2017-04-23T19:23:32-07:00",
              "utc": "2017-04-24T02:23:32Z",
              "ms": 1493000612082.3843
            },
            "end": {
              "local": "2017-04-23T20:49:30-07:00",
              "utc": "2017-04-24T03:49:30Z",
              "ms": 1493005770371.666
            }
          },
          "covered_min": 86,
          "window_min": 86,
          "qualifies": true
        },
        {
          "local_date": "2017-04-24",
          "window": {
            "start": {
              "local": "2017-04-24T19:24:15-07:00",
              "utc": "2017-04-25T02:24:15Z",
              "ms": 1493087055447.2278
            },
            "end": {
              "local": "2017-04-24T20:49:59-07:00",
              "utc": "2017-04-25T03:49:59Z",
              "ms": 1493092199448.3828
            }
          },
          "covered_min": 0,
          "window_min": 86,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 13:56 on Sun 23 Apr to 11:35 on Mon 24 Apr.",
          "fact": "2017-04-23T20:56:20Z → 2017-04-24T18:34:44Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:24–20:50 on the 23rd, 19:24–20:50 on the 24th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 86 of 86 minutes on the 23rd and 0 of 86 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 19632 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 2017: Sunday 23 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": "2017-04-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-04-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 2017 falls on Sunday 23 April. Trayodaśī runs from 13:56 on Sun 23 Apr to 11:35 on Mon 24 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-04-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/shivaratri?on=2017-04-24",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-04-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26900,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2017-04-24T11:34:44-07:00",
          "utc": "2017-04-24T18:34:44Z",
          "ms": 1493058884236.6663
        },
        "end": {
          "local": "2017-04-25T08:38:06-07:00",
          "utc": "2017-04-25T15:38:06Z",
          "ms": 1493134685947.568
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-04-24T11:34:44-07:00",
          "utc": "2017-04-24T18:34:44Z",
          "ms": 1493058884236.6663
        },
        "end": {
          "local": "2017-04-25T08:38:06-07:00",
          "utc": "2017-04-25T15:38:06Z",
          "ms": 1493134685947.568
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2017-04-23",
          "window": {
            "start": {
              "local": "2017-04-24T00:21:56-07:00",
              "utc": "2017-04-24T07:21:56Z",
              "ms": 1493018515667.1904
            },
            "end": {
              "local": "2017-04-24T01:09:56-07:00",
              "utc": "2017-04-24T08:09:56Z",
              "ms": 1493021395667.1904
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-04-24",
          "window": {
            "start": {
              "local": "2017-04-25T00:21:45-07:00",
              "utc": "2017-04-25T07:21:45Z",
              "ms": 1493104905451.5586
            },
            "end": {
              "local": "2017-04-25T01:09:45-07:00",
              "utc": "2017-04-25T08:09:45Z",
              "ms": 1493107785451.5586
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 11:35 on Mon 24 Apr to 08:38 on Tue 25 Apr.",
          "fact": "2017-04-24T18:34:44Z → 2017-04-25T15:38:06Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:22–01:10 on the 23rd, 00:22–01:10 on the 24th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26900 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Tijuana, 2017: Monday 24 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": "2017-04-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-04-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śivarātri 2017 falls on Monday 24 April. Caturdaśī runs from 11:35 on Mon 24 Apr to 08:38 on Tue 25 Apr and covers all of niśītha that night.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/shivaratri?on=2017-04-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/parashurama-jayanti",
      "festival": "parashurama-jayanti",
      "name": "Paraśurāma Jayantī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-04-27",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 3674,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2017-04-27T21:59:11-07:00",
          "utc": "2017-04-28T04:59:11Z",
          "ms": 1493355550955.289
        },
        "end": {
          "local": "2017-04-28T18:25:56-07:00",
          "utc": "2017-04-29T01:25:56Z",
          "ms": 1493429155727.5608
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-04-27T21:59:11-07:00",
          "utc": "2017-04-28T04:59:11Z",
          "ms": 1493355550955.289
        },
        "end": {
          "local": "2017-04-28T18:25:56-07:00",
          "utc": "2017-04-29T01:25:56Z",
          "ms": 1493429155727.5608
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-04-27",
          "window": {
            "start": {
              "local": "2017-04-27T19:26:26-07:00",
              "utc": "2017-04-28T02:26:26Z",
              "ms": 1493346385991.2588
            },
            "end": {
              "local": "2017-04-27T20:51:28-07:00",
              "utc": "2017-04-28T03:51:28Z",
              "ms": 1493351487805.6365
            }
          },
          "covered_min": 0,
          "window_min": 85,
          "qualifies": false
        },
        {
          "local_date": "2017-04-28",
          "window": {
            "start": {
              "local": "2017-04-28T19:27:10-07:00",
              "utc": "2017-04-29T02:27:10Z",
              "ms": 1493432829613.5771
            },
            "end": {
              "local": "2017-04-28T20:51:58-07:00",
              "utc": "2017-04-29T03:51:58Z",
              "ms": 1493437917606.701
            }
          },
          "covered_min": 0,
          "window_min": 85,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 21:59 on Thu 27 Apr to 18:26 on Fri 28 Apr.",
          "fact": "2017-04-28T04:59:11Z → 2017-04-29T01:25:56Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:26–20:51 on the 27th, 19:27–20:52 on the 28th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 85 minutes on the 27th and 0 of 85 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither evening qualifies. The day the tithi falls on is taken.",
          "fact": "priority: paraviddha → tithi-day · margin 3674 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Jayantī, Tijuana, 2017: Thursday 27 April.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "parashurama-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)."
          }
        ],
        "kaala": "pradosha",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-04-27",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-04-27",
          "confidence": "boundary"
        }
      ],
      "quote": "In Tijuana, Paraśurāma Jayantī 2017 falls on Thursday 27 April. Tṛtīyā runs from 21:59 on Thu 27 Apr to 18:26 on Fri 28 Apr, and reaches pradoṣa on neither day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/akshaya-tritiya",
      "festival": "akshaya-tritiya",
      "name": "Akṣaya Tṛtīyā",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-04-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28446,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2017-04-27T21:59:11-07:00",
          "utc": "2017-04-28T04:59:11Z",
          "ms": 1493355550955.289
        },
        "end": {
          "local": "2017-04-28T18:25:56-07:00",
          "utc": "2017-04-29T01:25:56Z",
          "ms": 1493429155727.5608
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-04-27T21:59:11-07:00",
          "utc": "2017-04-28T04:59:11Z",
          "ms": 1493355550955.289
        },
        "end": {
          "local": "2017-04-28T18:25:56-07:00",
          "utc": "2017-04-29T01:25:56Z",
          "ms": 1493429155727.5608
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2017-04-27",
          "window": {
            "start": {
              "local": "2017-04-27T06:05:11-07:00",
              "utc": "2017-04-27T13:05:11Z",
              "ms": 1493298310608.0742
            },
            "end": {
              "local": "2017-04-27T10:32:16-07:00",
              "utc": "2017-04-27T17:32:16Z",
              "ms": 1493314335735.8025
            }
          },
          "covered_min": 0,
          "window_min": 267,
          "qualifies": false
        },
        {
          "local_date": "2017-04-28",
          "window": {
            "start": {
              "local": "2017-04-28T06:04:10-07:00",
              "utc": "2017-04-28T13:04:10Z",
              "ms": 1493384649599.0923
            },
            "end": {
              "local": "2017-04-28T10:31:50-07:00",
              "utc": "2017-04-28T17:31:50Z",
              "ms": 1493400709603.9207
            }
          },
          "covered_min": 268,
          "window_min": 268,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 21:59 on Thu 27 Apr to 18:26 on Fri 28 Apr.",
          "fact": "2017-04-28T04:59:11Z → 2017-04-29T01:25:56Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:05–10:32 on the 27th, 06:04–10:32 on the 28th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 267 minutes on the 27th and 268 of 268 on the 28th.",
          "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 28446 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Tṛtīyā, Tijuana, 2017: Friday 28 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": "2017-04-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-04-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Akṣaya Tṛtīyā 2017 falls on Friday 28 April. Tṛtīyā runs from 21:59 on Thu 27 Apr to 18:26 on Fri 28 Apr and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/vinayaka-chaturthi?on=2017-04-29",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-04-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7214,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-04-28T18:25:56-07:00",
          "utc": "2017-04-29T01:25:56Z",
          "ms": 1493429155727.5608
        },
        "end": {
          "local": "2017-04-29T15:09:46-07:00",
          "utc": "2017-04-29T22:09:46Z",
          "ms": 1493503785772.6973
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-04-28T18:25:56-07:00",
          "utc": "2017-04-29T01:25:56Z",
          "ms": 1493429155727.5608
        },
        "end": {
          "local": "2017-04-29T15:09:46-07:00",
          "utc": "2017-04-29T22:09:46Z",
          "ms": 1493503785772.6973
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-04-28",
          "window": {
            "start": {
              "local": "2017-04-28T12:21:40-07:00",
              "utc": "2017-04-28T19:21:40Z",
              "ms": 1493407299606.3347
            },
            "end": {
              "local": "2017-04-28T13:09:40-07:00",
              "utc": "2017-04-28T20:09:40Z",
              "ms": 1493410179606.3347
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-04-29",
          "window": {
            "start": {
              "local": "2017-04-29T12:21:31-07:00",
              "utc": "2017-04-29T19:21:31Z",
              "ms": 1493493691414.0815
            },
            "end": {
              "local": "2017-04-29T13:09:31-07:00",
              "utc": "2017-04-29T20:09:31Z",
              "ms": 1493496571414.0815
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:26 on Fri 28 Apr to 15:10 on Sat 29 Apr.",
          "fact": "2017-04-29T01:25:56Z → 2017-04-29T22:09:46Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 28th, 12:22–13:10 on the 29th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7214 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Tijuana, 2017: Saturday 29 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": "2017-04-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-04-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Vināyaka Caturthī 2017 falls on Saturday 29 April. Caturthī runs from 18:26 on Fri 28 Apr to 15:10 on Sat 29 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/vinayaka-chaturthi?on=2017-04-29",
      "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/2017/shankara-jayanti",
      "festival": "shankara-jayanti",
      "name": "Śaṅkara Jayantī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-04-30",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 116,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2017-04-29T15:09:46-07:00",
          "utc": "2017-04-29T22:09:46Z",
          "ms": 1493503785772.6973
        },
        "end": {
          "local": "2017-04-30T12:19:27-07:00",
          "utc": "2017-04-30T19:19:27Z",
          "ms": 1493579967303.1638
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-04-29T15:09:46-07:00",
          "utc": "2017-04-29T22:09:46Z",
          "ms": 1493503785772.6973
        },
        "end": {
          "local": "2017-04-30T12:19:27-07:00",
          "utc": "2017-04-30T19:19:27Z",
          "ms": 1493579967303.1638
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-04-29",
          "window": {
            "start": {
              "local": "2017-04-29T12:21:31-07:00",
              "utc": "2017-04-29T19:21:31Z",
              "ms": 1493493691414.0815
            },
            "end": {
              "local": "2017-04-29T13:09:31-07:00",
              "utc": "2017-04-29T20:09:31Z",
              "ms": 1493496571414.0815
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-04-30",
          "window": {
            "start": {
              "local": "2017-04-30T12:21:24-07:00",
              "utc": "2017-04-30T19:21:24Z",
              "ms": 1493580083726.8452
            },
            "end": {
              "local": "2017-04-30T13:09:24-07:00",
              "utc": "2017-04-30T20:09:24Z",
              "ms": 1493582963726.8452
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 15:10 on Sat 29 Apr to 12:19 on Sun 30 Apr.",
          "fact": "2017-04-29T22:09:46Z → 2017-04-30T19:19:27Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 29th, 12:21–13:09 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 0 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: unstated → second-day · margin 116 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Śaṅkara Jayantī, Tijuana, 2017: Sunday 30 April.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2017-04-30",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-04-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śaṅkara Jayantī 2017 falls on Sunday 30 April. Pañcamī runs from 15:10 on Sat 29 Apr to 12:19 on Sun 30 Apr, and reaches madhyāhna on neither day. It is 1 min 56 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/gangotpatti",
      "festival": "gangotpatti",
      "name": "Gaṅgotpatti",
      "everyday": "Ganga Saptami",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-05-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8358,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2017-05-01T10:01:59-07:00",
          "utc": "2017-05-01T17:01:59Z",
          "ms": 1493658118894.6992
        },
        "end": {
          "local": "2017-05-02T08:22:01-07:00",
          "utc": "2017-05-02T15:22:01Z",
          "ms": 1493738521245.387
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-05-01T10:01:59-07:00",
          "utc": "2017-05-01T17:01:59Z",
          "ms": 1493658118894.6992
        },
        "end": {
          "local": "2017-05-02T08:22:01-07:00",
          "utc": "2017-05-02T15:22:01Z",
          "ms": 1493738521245.387
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-05-01",
          "window": {
            "start": {
              "local": "2017-05-01T12:21:17-07:00",
              "utc": "2017-05-01T19:21:17Z",
              "ms": 1493666476549.0903
            },
            "end": {
              "local": "2017-05-01T13:09:17-07:00",
              "utc": "2017-05-01T20:09:17Z",
              "ms": 1493669356549.0903
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-05-02",
          "window": {
            "start": {
              "local": "2017-05-02T12:21:10-07:00",
              "utc": "2017-05-02T19:21:10Z",
              "ms": 1493752869886.3938
            },
            "end": {
              "local": "2017-05-02T13:09:10-07:00",
              "utc": "2017-05-02T20:09:10Z",
              "ms": 1493755749886.3938
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 10:02 on Mon 1 May to 08:22 on Tue 2 May.",
          "fact": "2017-05-01T17:01:59Z → 2017-05-02T15:22:01Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 1st, 12:21–13:09 on the 2nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 8358 s"
        },
        {
          "step": "ruling",
          "text": "Gaṅgotpatti, Tijuana, 2017: Monday 1 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gangotpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-05-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-05-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Gaṅgotpatti (Ganga Saptami) 2017 falls on Monday 1 May. Saptamī runs from 10:02 on Mon 1 May to 08:22 on Tue 2 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ekadashi?on=2017-05-06",
      "festival": "ekadashi",
      "name": "Mohinī Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-05-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4621,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-05-05T07:14:32-07:00",
          "utc": "2017-05-05T14:14:32Z",
          "ms": 1493993672370.5115
        },
        "end": {
          "local": "2017-05-06T08:00:26-07:00",
          "utc": "2017-05-06T15:00:26Z",
          "ms": 1494082825729.6367
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-05-05T07:14:32-07:00",
          "utc": "2017-05-05T14:14:32Z",
          "ms": 1493993672370.5115
        },
        "end": {
          "local": "2017-05-06T08:00:26-07:00",
          "utc": "2017-05-06T15:00:26Z",
          "ms": 1494082825729.6367
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-05-05",
          "window": {
            "start": {
              "local": "2017-05-05T05:57:31-07:00",
              "utc": "2017-05-05T12:57:31Z",
              "ms": 1493989051056.8474
            },
            "end": {
              "local": "2017-05-05T05:57:31-07:00",
              "utc": "2017-05-05T12:57:31Z",
              "ms": 1493989051056.8474
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-05-06",
          "window": {
            "start": {
              "local": "2017-05-06T05:56:38-07:00",
              "utc": "2017-05-06T12:56:38Z",
              "ms": 1494075398490.296
            },
            "end": {
              "local": "2017-05-06T05:56:38-07:00",
              "utc": "2017-05-06T12:56:38Z",
              "ms": 1494075398490.296
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 07:15 on Fri 5 May to 08:00 on Sat 6 May.",
          "fact": "2017-05-05T14:14:32Z → 2017-05-06T15:00:26Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:58 on the 5th and 05:57 on the 6th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 4621 s"
        },
        {
          "step": "ruling",
          "text": "Mohinī Ekādaśī, Tijuana, 2017: Saturday 6 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": "2017-05-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-05-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Mohinī Ekādaśī 2017 falls on Saturday 6 May. Ekādaśī runs from 07:15 on Fri 5 May to 08:00 on Sat 6 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-05-06",
      "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/2017/parashurama-dvadashi",
      "festival": "parashurama-dvadashi",
      "name": "Paraśurāma Dvādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-05-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11285,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2017-05-06T08:00:26-07:00",
          "utc": "2017-05-06T15:00:26Z",
          "ms": 1494082825729.6367
        },
        "end": {
          "local": "2017-05-07T09:12:39-07:00",
          "utc": "2017-05-07T16:12:39Z",
          "ms": 1494173559413.8965
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-05-06T08:00:26-07:00",
          "utc": "2017-05-06T15:00:26Z",
          "ms": 1494082825729.6367
        },
        "end": {
          "local": "2017-05-07T09:12:39-07:00",
          "utc": "2017-05-07T16:12:39Z",
          "ms": 1494173559413.8965
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-05-06",
          "window": {
            "start": {
              "local": "2017-05-06T12:20:49-07:00",
              "utc": "2017-05-06T19:20:49Z",
              "ms": 1494098448511.629
            },
            "end": {
              "local": "2017-05-06T13:08:49-07:00",
              "utc": "2017-05-06T20:08:49Z",
              "ms": 1494101328511.629
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-05-07",
          "window": {
            "start": {
              "local": "2017-05-07T12:20:45-07:00",
              "utc": "2017-05-07T19:20:45Z",
              "ms": 1494184844518.9038
            },
            "end": {
              "local": "2017-05-07T13:08:45-07:00",
              "utc": "2017-05-07T20:08:45Z",
              "ms": 1494187724518.9038
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 08:00 on Sat 6 May to 09:13 on Sun 7 May.",
          "fact": "2017-05-06T15:00:26Z → 2017-05-07T16:12:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 6th, 12:21–13:09 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 11285 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Dvādaśī, Tijuana, 2017: Saturday 6 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": "2017-05-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-05-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Paraśurāma Dvādaśī 2017 falls on Saturday 6 May. Dvādaśī runs from 08:00 on Sat 6 May to 09:13 on Sun 7 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/rukmini-dvadashi",
      "festival": "rukmini-dvadashi",
      "name": "Rukmiṇī Dvādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-05-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11285,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2017-05-06T08:00:26-07:00",
          "utc": "2017-05-06T15:00:26Z",
          "ms": 1494082825729.6367
        },
        "end": {
          "local": "2017-05-07T09:12:39-07:00",
          "utc": "2017-05-07T16:12:39Z",
          "ms": 1494173559413.8965
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-05-06T08:00:26-07:00",
          "utc": "2017-05-06T15:00:26Z",
          "ms": 1494082825729.6367
        },
        "end": {
          "local": "2017-05-07T09:12:39-07:00",
          "utc": "2017-05-07T16:12:39Z",
          "ms": 1494173559413.8965
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-05-06",
          "window": {
            "start": {
              "local": "2017-05-06T12:20:49-07:00",
              "utc": "2017-05-06T19:20:49Z",
              "ms": 1494098448511.629
            },
            "end": {
              "local": "2017-05-06T13:08:49-07:00",
              "utc": "2017-05-06T20:08:49Z",
              "ms": 1494101328511.629
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-05-07",
          "window": {
            "start": {
              "local": "2017-05-07T12:20:45-07:00",
              "utc": "2017-05-07T19:20:45Z",
              "ms": 1494184844518.9038
            },
            "end": {
              "local": "2017-05-07T13:08:45-07:00",
              "utc": "2017-05-07T20:08:45Z",
              "ms": 1494187724518.9038
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 08:00 on Sat 6 May to 09:13 on Sun 7 May.",
          "fact": "2017-05-06T15:00:26Z → 2017-05-07T16:12:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 6th, 12:21–13:09 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 11285 s"
        },
        {
          "step": "ruling",
          "text": "Rukmiṇī Dvādaśī, Tijuana, 2017: Saturday 6 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": "2017-05-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-05-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Rukmiṇī Dvādaśī 2017 falls on Saturday 6 May. Dvādaśī runs from 08:00 on Sat 6 May to 09:13 on Sun 7 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/pradosha-vrata?on=2017-05-07",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-05-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31684,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-05-07T09:12:39-07:00",
          "utc": "2017-05-07T16:12:39Z",
          "ms": 1494173559413.8965
        },
        "end": {
          "local": "2017-05-08T10:46:22-07:00",
          "utc": "2017-05-08T17:46:22Z",
          "ms": 1494265581717.8188
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-05-07T09:12:39-07:00",
          "utc": "2017-05-07T16:12:39Z",
          "ms": 1494173559413.8965
        },
        "end": {
          "local": "2017-05-08T10:46:22-07:00",
          "utc": "2017-05-08T17:46:22Z",
          "ms": 1494265581717.8188
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-05-07",
          "window": {
            "start": {
              "local": "2017-05-07T19:33:42-07:00",
              "utc": "2017-05-08T02:33:42Z",
              "ms": 1494210821946.418
            },
            "end": {
              "local": "2017-05-07T20:56:32-07:00",
              "utc": "2017-05-08T03:56:32Z",
              "ms": 1494215791938.2415
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        },
        {
          "local_date": "2017-05-08",
          "window": {
            "start": {
              "local": "2017-05-08T19:34:25-07:00",
              "utc": "2017-05-09T02:34:25Z",
              "ms": 1494297265271.9927
            },
            "end": {
              "local": "2017-05-08T20:57:03-07:00",
              "utc": "2017-05-09T03:57:03Z",
              "ms": 1494302222955.1965
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:13 on Sun 7 May to 10:46 on Mon 8 May.",
          "fact": "2017-05-07T16:12:39Z → 2017-05-08T17:46:22Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:34–20:57 on the 7th, 19:34–20:57 on the 8th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 83 of 83 minutes on the 7th and 0 of 83 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 31684 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Tijuana, 2017: Sunday 7 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": "2017-05-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-05-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śukla Pradoṣa Vrata 2017 falls on Sunday 7 May. Trayodaśī runs from 09:13 on Sun 7 May to 10:46 on Mon 8 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-05-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/nrisimha-chaturdashi",
      "festival": "nrisimha-chaturdashi",
      "name": "Nṛsiṃha Caturdaśī",
      "everyday": "Narasimha Jayanti",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-05-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25063,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2017-05-08T10:46:22-07:00",
          "utc": "2017-05-08T17:46:22Z",
          "ms": 1494265581717.8188
        },
        "end": {
          "local": "2017-05-09T12:37:26-07:00",
          "utc": "2017-05-09T19:37:26Z",
          "ms": 1494358645522.416
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-05-08T10:46:22-07:00",
          "utc": "2017-05-08T17:46:22Z",
          "ms": 1494265581717.8188
        },
        "end": {
          "local": "2017-05-09T12:37:26-07:00",
          "utc": "2017-05-09T19:37:26Z",
          "ms": 1494358645522.416
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-05-08",
          "window": {
            "start": {
              "local": "2017-05-08T19:34:25-07:00",
              "utc": "2017-05-09T02:34:25Z",
              "ms": 1494297265271.9927
            },
            "end": {
              "local": "2017-05-08T20:57:03-07:00",
              "utc": "2017-05-09T03:57:03Z",
              "ms": 1494302222955.1965
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        },
        {
          "local_date": "2017-05-09",
          "window": {
            "start": {
              "local": "2017-05-09T19:35:08-07:00",
              "utc": "2017-05-10T02:35:08Z",
              "ms": 1494383708495.3726
            },
            "end": {
              "local": "2017-05-09T20:57:34-07:00",
              "utc": "2017-05-10T03:57:34Z",
              "ms": 1494388654049.104
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 10:46 on Mon 8 May to 12:37 on Tue 9 May.",
          "fact": "2017-05-08T17:46:22Z → 2017-05-09T19:37:26Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:34–20:57 on the 8th, 19:35–20:58 on the 9th.",
          "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 8th and 0 of 82 on the 9th.",
          "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 25063 s"
        },
        {
          "step": "ruling",
          "text": "Nṛsiṃha Caturdaśī, Tijuana, 2017: Monday 8 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": "2017-05-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-05-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2017 falls on Monday 8 May. Caturdaśī runs from 10:46 on Mon 8 May to 12:37 on Tue 9 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/buddha-purnima",
      "festival": "buddha-purnima",
      "name": "Buddha Pūrṇimā",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-05-10",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1007,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2017-05-09T12:37:26-07:00",
          "utc": "2017-05-09T19:37:26Z",
          "ms": 1494358645522.416
        },
        "end": {
          "local": "2017-05-10T14:42:29-07:00",
          "utc": "2017-05-10T21:42:29Z",
          "ms": 1494452548604.681
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-05-09T12:37:26-07:00",
          "utc": "2017-05-09T19:37:26Z",
          "ms": 1494358645522.416
        },
        "end": {
          "local": "2017-05-10T14:42:29-07:00",
          "utc": "2017-05-10T21:42:29Z",
          "ms": 1494452548604.681
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-05-09",
          "window": {
            "start": {
              "local": "2017-05-09T12:20:38-07:00",
              "utc": "2017-05-09T19:20:38Z",
              "ms": 1494357638195.6968
            },
            "end": {
              "local": "2017-05-09T13:08:38-07:00",
              "utc": "2017-05-09T20:08:38Z",
              "ms": 1494360518195.6968
            }
          },
          "covered_min": 31,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-05-10",
          "window": {
            "start": {
              "local": "2017-05-10T12:20:36-07:00",
              "utc": "2017-05-10T19:20:36Z",
              "ms": 1494444035874.8413
            },
            "end": {
              "local": "2017-05-10T13:08:36-07:00",
              "utc": "2017-05-10T20:08:36Z",
              "ms": 1494446915874.8413
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 12:37 on Tue 9 May to 14:42 on Wed 10 May.",
          "fact": "2017-05-09T19:37:26Z → 2017-05-10T21:42:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 9th, 12:21–13:09 on the 10th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 31 of 48 minutes on the 9th and 48 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 1007 s"
        },
        {
          "step": "ruling",
          "text": "Buddha Pūrṇimā, Tijuana, 2017: Wednesday 10 May.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "buddha-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-05-10",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-05-10",
          "confidence": "boundary"
        }
      ],
      "quote": "In Tijuana, Buddha Pūrṇimā 2017 falls on Wednesday 10 May. Pūrṇimā runs from 12:37 on Tue 9 May to 14:42 on Wed 10 May and covers all of madhyāhna that midday. It also reaches the previous midday for 31 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/sampat-gauri-vrata",
      "festival": "sampat-gauri-vrata",
      "name": "Sampat Gaurī Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-05-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1007,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2017-05-09T12:37:26-07:00",
          "utc": "2017-05-09T19:37:26Z",
          "ms": 1494358645522.416
        },
        "end": {
          "local": "2017-05-10T14:42:29-07:00",
          "utc": "2017-05-10T21:42:29Z",
          "ms": 1494452548604.681
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-05-09T12:37:26-07:00",
          "utc": "2017-05-09T19:37:26Z",
          "ms": 1494358645522.416
        },
        "end": {
          "local": "2017-05-10T14:42:29-07:00",
          "utc": "2017-05-10T21:42:29Z",
          "ms": 1494452548604.681
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-05-09",
          "window": {
            "start": {
              "local": "2017-05-09T12:20:38-07:00",
              "utc": "2017-05-09T19:20:38Z",
              "ms": 1494357638195.6968
            },
            "end": {
              "local": "2017-05-09T13:08:38-07:00",
              "utc": "2017-05-09T20:08:38Z",
              "ms": 1494360518195.6968
            }
          },
          "covered_min": 31,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-05-10",
          "window": {
            "start": {
              "local": "2017-05-10T12:20:36-07:00",
              "utc": "2017-05-10T19:20:36Z",
              "ms": 1494444035874.8413
            },
            "end": {
              "local": "2017-05-10T13:08:36-07:00",
              "utc": "2017-05-10T20:08:36Z",
              "ms": 1494446915874.8413
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 12:37 on Tue 9 May to 14:42 on Wed 10 May.",
          "fact": "2017-05-09T19:37:26Z → 2017-05-10T21:42:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 9th, 12:21–13:09 on the 10th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 31 of 48 minutes on the 9th and 48 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Paraviddhā: the second is taken.",
          "fact": "priority: paraviddha → paraviddha · margin 1007 s"
        },
        {
          "step": "ruling",
          "text": "Sampat Gaurī Vrata, Tijuana, 2017: Wednesday 10 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": "2017-05-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-05-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Sampat Gaurī Vrata 2017 falls on Wednesday 10 May. Pūrṇimā runs from 12:37 on Tue 9 May to 14:42 on Wed 10 May 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/2017/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/2017/sankashta-chaturthi?on=2017-05-13",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-05-13",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1448,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-05-13T21:47:28-07:00",
          "utc": "2017-05-14T04:47:28Z",
          "ms": 1494737247574.8066
        },
        "end": {
          "local": "2017-05-15T00:08:49-07:00",
          "utc": "2017-05-15T07:08:49Z",
          "ms": 1494832128997.637
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-05-13T21:47:28-07:00",
          "utc": "2017-05-14T04:47:28Z",
          "ms": 1494737247574.8066
        },
        "end": {
          "local": "2017-05-15T00:08:49-07:00",
          "utc": "2017-05-15T07:08:49Z",
          "ms": 1494832128997.637
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2017-05-13",
          "window": {
            "start": {
              "local": "2017-05-13T22:11:35-07:00",
              "utc": "2017-05-14T05:11:35Z",
              "ms": 1494738695366.2603
            },
            "end": {
              "local": "2017-05-13T22:11:35-07:00",
              "utc": "2017-05-14T05:11:35Z",
              "ms": 1494738695366.2603
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-05-14",
          "window": {
            "start": {
              "local": "2017-05-14T22:59:52-07:00",
              "utc": "2017-05-15T05:59:52Z",
              "ms": 1494827991555.994
            },
            "end": {
              "local": "2017-05-14T22:59:52-07:00",
              "utc": "2017-05-15T05:59:52Z",
              "ms": 1494827991555.994
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 21:47 on Sat 13 May to 00:09 on Mon 15 May.",
          "fact": "2017-05-14T04:47:28Z → 2017-05-15T07:08:49Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:12 on the 13th and 23:00 on the 14th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 13th and is on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both moonrises qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 1448 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Tijuana, 2017: Saturday 13 May.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-05-13",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-05-13",
          "confidence": "boundary"
        }
      ],
      "quote": "In Tijuana, Saṅkaṣṭa Caturthī 2017 falls on Saturday 13 May. Caturthī runs from 21:47 on Sat 13 May to 00:09 on Mon 15 May and is current at moonrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/sankashta-chaturthi?on=2017-05-13",
      "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/2017/ekadashi?on=2017-05-21",
      "festival": "ekadashi",
      "name": "Aparā Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-05-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5643,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-05-21T04:12:00-07:00",
          "utc": "2017-05-21T11:12:00Z",
          "ms": 1495365120431.8103
        },
        "end": {
          "local": "2017-05-22T02:14:06-07:00",
          "utc": "2017-05-22T09:14:06Z",
          "ms": 1495444445866.4763
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-05-21T04:12:00-07:00",
          "utc": "2017-05-21T11:12:00Z",
          "ms": 1495365120431.8103
        },
        "end": {
          "local": "2017-05-22T02:14:06-07:00",
          "utc": "2017-05-22T09:14:06Z",
          "ms": 1495444445866.4763
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-05-21",
          "window": {
            "start": {
              "local": "2017-05-21T05:46:03-07:00",
              "utc": "2017-05-21T12:46:03Z",
              "ms": 1495370763138.409
            },
            "end": {
              "local": "2017-05-21T05:46:03-07:00",
              "utc": "2017-05-21T12:46:03Z",
              "ms": 1495370763138.409
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-05-22",
          "window": {
            "start": {
              "local": "2017-05-22T05:45:32-07:00",
              "utc": "2017-05-22T12:45:32Z",
              "ms": 1495457131920.1682
            },
            "end": {
              "local": "2017-05-22T05:45:32-07:00",
              "utc": "2017-05-22T12:45:32Z",
              "ms": 1495457131920.1682
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 04:12 on Sun 21 May to 02:14 on Mon 22 May.",
          "fact": "2017-05-21T11:12:00Z → 2017-05-22T09:14:06Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:46 on the 21st and 05:46 on the 22nd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 5643 s"
        },
        {
          "step": "ruling",
          "text": "Aparā Ekādaśī, Tijuana, 2017: Sunday 21 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": "2017-05-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-05-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Aparā Ekādaśī 2017 falls on Sunday 21 May. Ekādaśī runs from 04:12 on Sun 21 May to 02:14 on Mon 22 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-05-21",
      "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/2017/pradosha-vrata?on=2017-05-23",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-05-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1998,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-05-22T23:33:27-07:00",
          "utc": "2017-05-23T06:33:27Z",
          "ms": 1495521207387.4194
        },
        "end": {
          "local": "2017-05-23T20:18:11-07:00",
          "utc": "2017-05-24T03:18:11Z",
          "ms": 1495595890678.2332
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-05-22T23:33:27-07:00",
          "utc": "2017-05-23T06:33:27Z",
          "ms": 1495521207387.4194
        },
        "end": {
          "local": "2017-05-23T20:18:11-07:00",
          "utc": "2017-05-24T03:18:11Z",
          "ms": 1495595890678.2332
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-05-22",
          "window": {
            "start": {
              "local": "2017-05-22T19:44:13-07:00",
              "utc": "2017-05-23T02:44:13Z",
              "ms": 1495507452575.0542
            },
            "end": {
              "local": "2017-05-22T21:04:19-07:00",
              "utc": "2017-05-23T04:04:19Z",
              "ms": 1495512259189.3853
            }
          },
          "covered_min": 0,
          "window_min": 80,
          "qualifies": false
        },
        {
          "local_date": "2017-05-23",
          "window": {
            "start": {
              "local": "2017-05-23T19:44:52-07:00",
              "utc": "2017-05-24T02:44:52Z",
              "ms": 1495593892218.3826
            },
            "end": {
              "local": "2017-05-23T21:04:50-07:00",
              "utc": "2017-05-24T04:04:50Z",
              "ms": 1495598689780.3655
            }
          },
          "covered_min": 33,
          "window_min": 80,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 23:33 on Mon 22 May to 20:18 on Tue 23 May.",
          "fact": "2017-05-23T06:33:27Z → 2017-05-24T03:18:11Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:44–21:04 on the 22nd, 19:45–21:05 on the 23rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 80 minutes on the 22nd and 33 of 80 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1998 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 2017: Tuesday 23 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": "2017-05-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-05-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 2017 falls on Tuesday 23 May. Trayodaśī runs from 23:33 on Mon 22 May to 20:18 on Tue 23 May and covers 33 of 80 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-05-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/shivaratri?on=2017-05-23",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-05-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14552,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2017-05-23T20:18:11-07:00",
          "utc": "2017-05-24T03:18:11Z",
          "ms": 1495595890678.2332
        },
        "end": {
          "local": "2017-05-24T16:38:11-07:00",
          "utc": "2017-05-24T23:38:11Z",
          "ms": 1495669090744.1123
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-05-23T20:18:11-07:00",
          "utc": "2017-05-24T03:18:11Z",
          "ms": 1495595890678.2332
        },
        "end": {
          "local": "2017-05-24T16:38:11-07:00",
          "utc": "2017-05-24T23:38:11Z",
          "ms": 1495669090744.1123
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2017-05-23",
          "window": {
            "start": {
              "local": "2017-05-24T00:20:43-07:00",
              "utc": "2017-05-24T07:20:43Z",
              "ms": 1495610443075.8188
            },
            "end": {
              "local": "2017-05-24T01:08:43-07:00",
              "utc": "2017-05-24T08:08:43Z",
              "ms": 1495613323075.8188
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-05-24",
          "window": {
            "start": {
              "local": "2017-05-25T00:20:49-07:00",
              "utc": "2017-05-25T07:20:49Z",
              "ms": 1495696849286.917
            },
            "end": {
              "local": "2017-05-25T01:08:49-07:00",
              "utc": "2017-05-25T08:08:49Z",
              "ms": 1495699729286.917
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 20:18 on Tue 23 May to 16:38 on Wed 24 May.",
          "fact": "2017-05-24T03:18:11Z → 2017-05-24T23:38:11Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:21–01:09 on the 23rd, 00:21–01:09 on the 24th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 14552 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Tijuana, 2017: Tuesday 23 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": "2017-05-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-05-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śivarātri 2017 falls on Tuesday 23 May. Caturdaśī runs from 20:18 on Tue 23 May to 16:38 on Wed 24 May and covers all of niśītha that night.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/shivaratri?on=2017-05-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/rambha-tritiya",
      "festival": "rambha-tritiya",
      "name": "Rambhā Tṛtīyā",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-05-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26390,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2017-05-27T05:01:32-07:00",
          "utc": "2017-05-27T12:01:32Z",
          "ms": 1495886491713.7168
        },
        "end": {
          "local": "2017-05-28T01:34:32-07:00",
          "utc": "2017-05-28T08:34:32Z",
          "ms": 1495960471601.4233
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-05-27T05:01:32-07:00",
          "utc": "2017-05-27T12:01:32Z",
          "ms": 1495886491713.7168
        },
        "end": {
          "local": "2017-05-28T01:34:32-07:00",
          "utc": "2017-05-28T08:34:32Z",
          "ms": 1495960471601.4233
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-05-27",
          "window": {
            "start": {
              "local": "2017-05-27T12:21:22-07:00",
              "utc": "2017-05-27T19:21:22Z",
              "ms": 1495912881959.4446
            },
            "end": {
              "local": "2017-05-27T13:09:22-07:00",
              "utc": "2017-05-27T20:09:22Z",
              "ms": 1495915761959.4446
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-05-28",
          "window": {
            "start": {
              "local": "2017-05-28T12:21:29-07:00",
              "utc": "2017-05-28T19:21:29Z",
              "ms": 1495999289297.828
            },
            "end": {
              "local": "2017-05-28T13:09:29-07:00",
              "utc": "2017-05-28T20:09:29Z",
              "ms": 1496002169297.828
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 05:02 on Sat 27 May to 01:35 on Sun 28 May.",
          "fact": "2017-05-27T12:01:32Z → 2017-05-28T08:34:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 27th, 12:21–13:09 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 26390 s"
        },
        {
          "step": "ruling",
          "text": "Rambhā Tṛtīyā, Tijuana, 2017: Saturday 27 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": "2017-05-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-05-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Rambhā Tṛtīyā 2017 falls on Saturday 27 May. Tṛtīyā runs from 05:02 on Sat 27 May to 01:35 on Sun 28 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/vinayaka-chaturthi?on=2017-05-28",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-05-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34059,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-05-28T01:34:32-07:00",
          "utc": "2017-05-28T08:34:32Z",
          "ms": 1495960471601.4233
        },
        "end": {
          "local": "2017-05-28T22:37:09-07:00",
          "utc": "2017-05-29T05:37:09Z",
          "ms": 1496036228576.508
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-05-28T01:34:32-07:00",
          "utc": "2017-05-28T08:34:32Z",
          "ms": 1495960471601.4233
        },
        "end": {
          "local": "2017-05-28T22:37:09-07:00",
          "utc": "2017-05-29T05:37:09Z",
          "ms": 1496036228576.508
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-05-27",
          "window": {
            "start": {
              "local": "2017-05-27T12:21:22-07:00",
              "utc": "2017-05-27T19:21:22Z",
              "ms": 1495912881959.4446
            },
            "end": {
              "local": "2017-05-27T13:09:22-07:00",
              "utc": "2017-05-27T20:09:22Z",
              "ms": 1495915761959.4446
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-05-28",
          "window": {
            "start": {
              "local": "2017-05-28T12:21:29-07:00",
              "utc": "2017-05-28T19:21:29Z",
              "ms": 1495999289297.828
            },
            "end": {
              "local": "2017-05-28T13:09:29-07:00",
              "utc": "2017-05-28T20:09:29Z",
              "ms": 1496002169297.828
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 01:35 on Sun 28 May to 22:37 on Sun 28 May.",
          "fact": "2017-05-28T08:34:32Z → 2017-05-29T05:37:09Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 27th, 12:21–13:09 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34059 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Tijuana, 2017: Sunday 28 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": "2017-05-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-05-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Vināyaka Caturthī 2017 falls on Sunday 28 May. Caturthī runs from 01:35 on Sun 28 May to 22:37 on Sun 28 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/vinayaka-chaturthi?on=2017-05-28",
      "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/2017/aranya-gauri-vrata",
      "festival": "aranya-gauri-vrata",
      "name": "Araṇya Gaurī Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-05-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19865,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2017-05-29T20:17:22-07:00",
          "utc": "2017-05-30T03:17:22Z",
          "ms": 1496114242223.1768
        },
        "end": {
          "local": "2017-05-30T18:40:50-07:00",
          "utc": "2017-05-31T01:40:50Z",
          "ms": 1496194850265.6125
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-05-29T20:17:22-07:00",
          "utc": "2017-05-30T03:17:22Z",
          "ms": 1496114242223.1768
        },
        "end": {
          "local": "2017-05-30T18:40:50-07:00",
          "utc": "2017-05-31T01:40:50Z",
          "ms": 1496194850265.6125
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-05-29",
          "window": {
            "start": {
              "local": "2017-05-29T12:21:37-07:00",
              "utc": "2017-05-29T19:21:37Z",
              "ms": 1496085697059.123
            },
            "end": {
              "local": "2017-05-29T13:09:37-07:00",
              "utc": "2017-05-29T20:09:37Z",
              "ms": 1496088577059.123
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-05-30",
          "window": {
            "start": {
              "local": "2017-05-30T12:21:45-07:00",
              "utc": "2017-05-30T19:21:45Z",
              "ms": 1496172105225.9722
            },
            "end": {
              "local": "2017-05-30T13:09:45-07:00",
              "utc": "2017-05-30T20:09:45Z",
              "ms": 1496174985225.9722
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 20:17 on Mon 29 May to 18:41 on Tue 30 May.",
          "fact": "2017-05-30T03:17:22Z → 2017-05-31T01:40:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 29th, 12:22–13:10 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 19865 s"
        },
        {
          "step": "ruling",
          "text": "Araṇya Gaurī Vrata, Tijuana, 2017: Tuesday 30 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": "2017-05-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-05-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Araṇya Gaurī Vrata 2017 falls on Tuesday 30 May. Ṣaṣṭhī runs from 20:17 on Mon 29 May to 18:41 on Tue 30 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/skanda-shashthi-jyaishtha",
      "festival": "skanda-shashthi-jyaishtha",
      "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-05-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19865,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2017-05-29T20:17:22-07:00",
          "utc": "2017-05-30T03:17:22Z",
          "ms": 1496114242223.1768
        },
        "end": {
          "local": "2017-05-30T18:40:50-07:00",
          "utc": "2017-05-31T01:40:50Z",
          "ms": 1496194850265.6125
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-05-29T20:17:22-07:00",
          "utc": "2017-05-30T03:17:22Z",
          "ms": 1496114242223.1768
        },
        "end": {
          "local": "2017-05-30T18:40:50-07:00",
          "utc": "2017-05-31T01:40:50Z",
          "ms": 1496194850265.6125
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-05-29",
          "window": {
            "start": {
              "local": "2017-05-29T12:21:37-07:00",
              "utc": "2017-05-29T19:21:37Z",
              "ms": 1496085697059.123
            },
            "end": {
              "local": "2017-05-29T13:09:37-07:00",
              "utc": "2017-05-29T20:09:37Z",
              "ms": 1496088577059.123
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-05-30",
          "window": {
            "start": {
              "local": "2017-05-30T12:21:45-07:00",
              "utc": "2017-05-30T19:21:45Z",
              "ms": 1496172105225.9722
            },
            "end": {
              "local": "2017-05-30T13:09:45-07:00",
              "utc": "2017-05-30T20:09:45Z",
              "ms": 1496174985225.9722
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 20:17 on Mon 29 May to 18:41 on Tue 30 May.",
          "fact": "2017-05-30T03:17:22Z → 2017-05-31T01:40:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 29th, 12:22–13:10 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 19865 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Tijuana, 2017: Tuesday 30 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": "2017-05-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-05-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2017 falls on Tuesday 30 May. Ṣaṣṭhī runs from 20:17 on Mon 29 May to 18:41 on Tue 30 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ekadashi?on=2017-06-04",
      "festival": "ekadashi",
      "name": "Nirjalā Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-06-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30465,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-06-03T19:33:18-07:00",
          "utc": "2017-06-04T02:33:18Z",
          "ms": 1496543597566.0623
        },
        "end": {
          "local": "2017-06-04T21:13:07-07:00",
          "utc": "2017-06-05T04:13:07Z",
          "ms": 1496635987133.715
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-06-03T19:33:18-07:00",
          "utc": "2017-06-04T02:33:18Z",
          "ms": 1496543597566.0623
        },
        "end": {
          "local": "2017-06-04T21:13:07-07:00",
          "utc": "2017-06-05T04:13:07Z",
          "ms": 1496635987133.715
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-06-04",
          "window": {
            "start": {
              "local": "2017-06-04T05:41:02-07:00",
              "utc": "2017-06-04T12:41:02Z",
              "ms": 1496580062347.503
            },
            "end": {
              "local": "2017-06-04T05:41:02-07:00",
              "utc": "2017-06-04T12:41:02Z",
              "ms": 1496580062347.503
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-06-05",
          "window": {
            "start": {
              "local": "2017-06-05T05:40:52-07:00",
              "utc": "2017-06-05T12:40:52Z",
              "ms": 1496666452174.5525
            },
            "end": {
              "local": "2017-06-05T05:40:52-07:00",
              "utc": "2017-06-05T12:40:52Z",
              "ms": 1496666452174.5525
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 19:33 on Sat 3 Jun to 21:13 on Sun 4 Jun.",
          "fact": "2017-06-04T02:33:18Z → 2017-06-05T04:13:07Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:41 on the 4th and 05:41 on the 5th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 4th and is not on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 30465 s"
        },
        {
          "step": "ruling",
          "text": "Nirjalā Ekādaśī, Tijuana, 2017: Sunday 4 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": "2017-06-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-06-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Nirjalā Ekādaśī 2017 falls on Sunday 4 June. Ekādaśī runs from 19:33 on Sat 3 Jun to 21:13 on Sun 4 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-06-04",
      "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/2017/shri-rama-dvadashi",
      "festival": "shri-rama-dvadashi",
      "name": "Śrī Rāma Dvādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-06-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28956,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2017-06-04T21:13:07-07:00",
          "utc": "2017-06-05T04:13:07Z",
          "ms": 1496635987133.715
        },
        "end": {
          "local": "2017-06-05T23:13:07-07:00",
          "utc": "2017-06-06T06:13:07Z",
          "ms": 1496729586739.726
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-06-04T21:13:07-07:00",
          "utc": "2017-06-05T04:13:07Z",
          "ms": 1496635987133.715
        },
        "end": {
          "local": "2017-06-05T23:13:07-07:00",
          "utc": "2017-06-06T06:13:07Z",
          "ms": 1496729586739.726
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-06-04",
          "window": {
            "start": {
              "local": "2017-06-04T12:22:32-07:00",
              "utc": "2017-06-04T19:22:32Z",
              "ms": 1496604151574.7236
            },
            "end": {
              "local": "2017-06-04T13:10:32-07:00",
              "utc": "2017-06-04T20:10:32Z",
              "ms": 1496607031574.7236
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-06-05",
          "window": {
            "start": {
              "local": "2017-06-05T12:22:42-07:00",
              "utc": "2017-06-05T19:22:42Z",
              "ms": 1496690561837.3647
            },
            "end": {
              "local": "2017-06-05T13:10:42-07:00",
              "utc": "2017-06-05T20:10:42Z",
              "ms": 1496693441837.3647
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 21:13 on Sun 4 Jun to 23:13 on Mon 5 Jun.",
          "fact": "2017-06-05T04:13:07Z → 2017-06-06T06:13:07Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 4th, 12:23–13:11 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 0 of 48 minutes on the 4th and 48 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 28956 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Rāma Dvādaśī, Tijuana, 2017: Monday 5 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": "2017-06-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-06-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śrī Rāma Dvādaśī 2017 falls on Monday 5 June. Dvādaśī runs from 21:13 on Sun 4 Jun to 23:13 on Mon 5 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/pradosha-vrata?on=2017-06-06",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-06-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7330,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-06-05T23:13:07-07:00",
          "utc": "2017-06-06T06:13:07Z",
          "ms": 1496729586739.726
        },
        "end": {
          "local": "2017-06-07T01:26:15-07:00",
          "utc": "2017-06-07T08:26:15Z",
          "ms": 1496823974901.8135
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-06-05T23:13:07-07:00",
          "utc": "2017-06-06T06:13:07Z",
          "ms": 1496729586739.726
        },
        "end": {
          "local": "2017-06-07T01:26:15-07:00",
          "utc": "2017-06-07T08:26:15Z",
          "ms": 1496823974901.8135
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-06-05",
          "window": {
            "start": {
              "local": "2017-06-05T19:52:32-07:00",
              "utc": "2017-06-06T02:52:32Z",
              "ms": 1496717551500.1772
            },
            "end": {
              "local": "2017-06-05T21:10:57-07:00",
              "utc": "2017-06-06T04:10:57Z",
              "ms": 1496722257101.8335
            }
          },
          "covered_min": 0,
          "window_min": 78,
          "qualifies": false
        },
        {
          "local_date": "2017-06-06",
          "window": {
            "start": {
              "local": "2017-06-06T19:53:01-07:00",
              "utc": "2017-06-07T02:53:01Z",
              "ms": 1496803981275.1135
            },
            "end": {
              "local": "2017-06-06T21:11:22-07:00",
              "utc": "2017-06-07T04:11:22Z",
              "ms": 1496808681952.92
            }
          },
          "covered_min": 78,
          "window_min": 78,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 23:13 on Mon 5 Jun to 01:26 on Wed 7 Jun.",
          "fact": "2017-06-06T06:13:07Z → 2017-06-07T08:26:15Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:53–21:11 on the 5th, 19:53–21:11 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 0 of 78 minutes on the 5th and 78 of 78 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 7330 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Tijuana, 2017: Tuesday 6 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": "2017-06-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-06-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śukla Pradoṣa Vrata 2017 falls on Tuesday 6 June. Trayodaśī runs from 23:13 on Mon 5 Jun to 01:26 on Wed 7 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-06-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/vata-savitri-vrata",
      "festival": "vata-savitri-vrata",
      "name": "Vaṭa Sāvitrī Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-06-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23694,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2017-06-08T03:46:40-07:00",
          "utc": "2017-06-08T10:46:40Z",
          "ms": 1496918800356.0188
        },
        "end": {
          "local": "2017-06-09T06:09:35-07:00",
          "utc": "2017-06-09T13:09:35Z",
          "ms": 1497013774708.4065
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-06-08T03:46:40-07:00",
          "utc": "2017-06-08T10:46:40Z",
          "ms": 1496918800356.0188
        },
        "end": {
          "local": "2017-06-09T06:09:35-07:00",
          "utc": "2017-06-09T13:09:35Z",
          "ms": 1497013774708.4065
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-06-07",
          "window": {
            "start": {
              "local": "2017-06-07T19:53:30-07:00",
              "utc": "2017-06-08T02:53:30Z",
              "ms": 1496890410096.867
            },
            "end": {
              "local": "2017-06-07T21:11:46-07:00",
              "utc": "2017-06-08T04:11:46Z",
              "ms": 1496895106178.4392
            }
          },
          "covered_min": 0,
          "window_min": 78,
          "qualifies": false
        },
        {
          "local_date": "2017-06-08",
          "window": {
            "start": {
              "local": "2017-06-08T19:53:58-07:00",
              "utc": "2017-06-09T02:53:58Z",
              "ms": 1496976837935.983
            },
            "end": {
              "local": "2017-06-08T21:12:10-07:00",
              "utc": "2017-06-09T04:12:10Z",
              "ms": 1496981529752.1687
            }
          },
          "covered_min": 78,
          "window_min": 78,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 03:47 on Thu 8 Jun to 06:10 on Fri 9 Jun.",
          "fact": "2017-06-08T10:46:40Z → 2017-06-09T13:09:35Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:54–21:12 on the 7th, 19:54–21:12 on the 8th.",
          "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 7th and 78 of 78 on the 8th.",
          "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 23694 s"
        },
        {
          "step": "ruling",
          "text": "Vaṭa Sāvitrī Vrata, Tijuana, 2017: Thursday 8 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": "2017-06-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-06-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Vaṭa Sāvitrī Vrata 2017 falls on Thursday 8 June. Pūrṇimā runs from 03:47 on Thu 8 Jun to 06:10 on Fri 9 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/sankashta-chaturthi?on=2017-06-12",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-06-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30991,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-06-12T12:48:24-07:00",
          "utc": "2017-06-12T19:48:24Z",
          "ms": 1497296904293.0444
        },
        "end": {
          "local": "2017-06-13T14:33:12-07:00",
          "utc": "2017-06-13T21:33:12Z",
          "ms": 1497389591964.0466
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-06-12T12:48:24-07:00",
          "utc": "2017-06-12T19:48:24Z",
          "ms": 1497296904293.0444
        },
        "end": {
          "local": "2017-06-13T14:33:12-07:00",
          "utc": "2017-06-13T21:33:12Z",
          "ms": 1497389591964.0466
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2017-06-12",
          "window": {
            "start": {
              "local": "2017-06-12T22:28:27-07:00",
              "utc": "2017-06-13T05:28:27Z",
              "ms": 1497331707020.825
            },
            "end": {
              "local": "2017-06-12T22:28:27-07:00",
              "utc": "2017-06-13T05:28:27Z",
              "ms": 1497331707020.825
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-06-13",
          "window": {
            "start": {
              "local": "2017-06-13T23:09:43-07:00",
              "utc": "2017-06-14T06:09:43Z",
              "ms": 1497420583371.8574
            },
            "end": {
              "local": "2017-06-13T23:09:43-07:00",
              "utc": "2017-06-14T06:09:43Z",
              "ms": 1497420583371.8574
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:48 on Mon 12 Jun to 14:33 on Tue 13 Jun.",
          "fact": "2017-06-12T19:48:24Z → 2017-06-13T21:33:12Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:28 on the 12th and 23:10 on the 13th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 12th and is not 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 30991 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Tijuana, 2017: Monday 12 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": "2017-06-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-06-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Saṅkaṣṭa Caturthī 2017 falls on Monday 12 June. Caturthī runs from 12:48 on Mon 12 Jun to 14:33 on Tue 13 Jun and is current at moonrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/sankashta-chaturthi?on=2017-06-12",
      "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/2017/ekadashi?on=2017-06-20",
      "festival": "ekadashi",
      "name": "Yoginī Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-06-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15454,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-06-19T12:42:03-07:00",
          "utc": "2017-06-19T19:42:03Z",
          "ms": 1497901322580.0493
        },
        "end": {
          "local": "2017-06-20T09:58:51-07:00",
          "utc": "2017-06-20T16:58:51Z",
          "ms": 1497977931204.022
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-06-19T12:42:03-07:00",
          "utc": "2017-06-19T19:42:03Z",
          "ms": 1497901322580.0493
        },
        "end": {
          "local": "2017-06-20T09:58:51-07:00",
          "utc": "2017-06-20T16:58:51Z",
          "ms": 1497977931204.022
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-06-19",
          "window": {
            "start": {
              "local": "2017-06-19T05:41:05-07:00",
              "utc": "2017-06-19T12:41:05Z",
              "ms": 1497876065428.4585
            },
            "end": {
              "local": "2017-06-19T05:41:05-07:00",
              "utc": "2017-06-19T12:41:05Z",
              "ms": 1497876065428.4585
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-06-20",
          "window": {
            "start": {
              "local": "2017-06-20T05:41:17-07:00",
              "utc": "2017-06-20T12:41:17Z",
              "ms": 1497962477043.9575
            },
            "end": {
              "local": "2017-06-20T05:41:17-07:00",
              "utc": "2017-06-20T12:41:17Z",
              "ms": 1497962477043.9575
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 12:42 on Mon 19 Jun to 09:59 on Tue 20 Jun.",
          "fact": "2017-06-19T19:42:03Z → 2017-06-20T16:58:51Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:41 on the 19th and 05:41 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 15454 s"
        },
        {
          "step": "ruling",
          "text": "Yoginī Ekādaśī, Tijuana, 2017: Tuesday 20 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": "2017-06-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-06-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Yoginī Ekādaśī 2017 falls on Tuesday 20 June. Ekādaśī runs from 12:42 on Mon 19 Jun to 09:59 on Tue 20 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-06-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/pradosha-vrata?on=2017-06-21",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-06-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21131,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-06-21T06:44:36-07:00",
          "utc": "2017-06-21T13:44:36Z",
          "ms": 1498052675637.3674
        },
        "end": {
          "local": "2017-06-22T03:08:17-07:00",
          "utc": "2017-06-22T10:08:17Z",
          "ms": 1498126096619.7056
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-06-21T06:44:36-07:00",
          "utc": "2017-06-21T13:44:36Z",
          "ms": 1498052675637.3674
        },
        "end": {
          "local": "2017-06-22T03:08:17-07:00",
          "utc": "2017-06-22T10:08:17Z",
          "ms": 1498126096619.7056
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-06-20",
          "window": {
            "start": {
              "local": "2017-06-20T19:58:05-07:00",
              "utc": "2017-06-21T02:58:05Z",
              "ms": 1498013885148.377
            },
            "end": {
              "local": "2017-06-20T21:15:52-07:00",
              "utc": "2017-06-21T04:15:52Z",
              "ms": 1498018552459.7678
            }
          },
          "covered_min": 0,
          "window_min": 78,
          "qualifies": false
        },
        {
          "local_date": "2017-06-21",
          "window": {
            "start": {
              "local": "2017-06-21T19:58:18-07:00",
              "utc": "2017-06-22T02:58:18Z",
              "ms": 1498100297694.1108
            },
            "end": {
              "local": "2017-06-21T21:16:05-07:00",
              "utc": "2017-06-22T04:16:05Z",
              "ms": 1498104965230.8801
            }
          },
          "covered_min": 78,
          "window_min": 78,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:45 on Wed 21 Jun to 03:08 on Thu 22 Jun.",
          "fact": "2017-06-21T13:44:36Z → 2017-06-22T10:08:17Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:58–21:16 on the 20th, 19:58–21:16 on the 21st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 78 minutes on the 20th and 78 of 78 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 21131 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 2017: Wednesday 21 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": "2017-06-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-06-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 2017 falls on Wednesday 21 June. Trayodaśī runs from 06:45 on Wed 21 Jun to 03:08 on Thu 22 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-06-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/shivaratri?on=2017-06-21",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-06-21",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 3971,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2017-06-22T03:08:17-07:00",
          "utc": "2017-06-22T10:08:17Z",
          "ms": 1498126096619.7056
        },
        "end": {
          "local": "2017-06-22T23:20:04-07:00",
          "utc": "2017-06-23T06:20:04Z",
          "ms": 1498198803684.8818
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-06-22T03:08:17-07:00",
          "utc": "2017-06-22T10:08:17Z",
          "ms": 1498126096619.7056
        },
        "end": {
          "local": "2017-06-22T23:20:04-07:00",
          "utc": "2017-06-23T06:20:04Z",
          "ms": 1498198803684.8818
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2017-06-21",
          "window": {
            "start": {
              "local": "2017-06-22T00:26:01-07:00",
              "utc": "2017-06-22T07:26:01Z",
              "ms": 1498116360956.995
            },
            "end": {
              "local": "2017-06-22T01:14:01-07:00",
              "utc": "2017-06-22T08:14:01Z",
              "ms": 1498119240956.995
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-06-22",
          "window": {
            "start": {
              "local": "2017-06-23T00:26:14-07:00",
              "utc": "2017-06-23T07:26:14Z",
              "ms": 1498202774299.2515
            },
            "end": {
              "local": "2017-06-23T01:14:14-07:00",
              "utc": "2017-06-23T08:14:14Z",
              "ms": 1498205654299.2515
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 03:08 on Thu 22 Jun to 23:20 on Thu 22 Jun.",
          "fact": "2017-06-22T10:08:17Z → 2017-06-23T06:20:04Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:26–01:14 on the 21st, 00:26–01:14 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 0 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither night qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 3971 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Tijuana, 2017: Wednesday 21 June.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-06-21",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-06-21",
          "confidence": "boundary"
        }
      ],
      "quote": "In Tijuana, Śivarātri 2017 falls on Wednesday 21 June. Caturdaśī runs from 03:08 on Thu 22 Jun to 23:20 on Thu 22 Jun, and reaches niśītha on neither day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/shivaratri?on=2017-06-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/rathayatra",
      "festival": "rathayatra",
      "name": "Rathayātrā",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-06-25",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 294,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2017-06-24T15:51:04-07:00",
          "utc": "2017-06-24T22:51:04Z",
          "ms": 1498344663506.8403
        },
        "end": {
          "local": "2017-06-25T12:31:39-07:00",
          "utc": "2017-06-25T19:31:39Z",
          "ms": 1498419098585.7341
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-06-24T15:51:04-07:00",
          "utc": "2017-06-24T22:51:04Z",
          "ms": 1498344663506.8403
        },
        "end": {
          "local": "2017-06-25T12:31:39-07:00",
          "utc": "2017-06-25T19:31:39Z",
          "ms": 1498419098585.7341
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-06-24",
          "window": {
            "start": {
              "local": "2017-06-24T12:26:32-07:00",
              "utc": "2017-06-24T19:26:32Z",
              "ms": 1498332391751.2485
            },
            "end": {
              "local": "2017-06-24T13:14:32-07:00",
              "utc": "2017-06-24T20:14:32Z",
              "ms": 1498335271751.2485
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-06-25",
          "window": {
            "start": {
              "local": "2017-06-25T12:26:44-07:00",
              "utc": "2017-06-25T19:26:44Z",
              "ms": 1498418804185.6084
            },
            "end": {
              "local": "2017-06-25T13:14:44-07:00",
              "utc": "2017-06-25T20:14:44Z",
              "ms": 1498421684185.6084
            }
          },
          "covered_min": 5,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 15:51 on Sat 24 Jun to 12:32 on Sun 25 Jun.",
          "fact": "2017-06-24T22:51:04Z → 2017-06-25T19:31:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 24th, 12:27–13:15 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 5 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 294 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Rathayātrā, Tijuana, 2017: Sunday 25 June.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2017-06-25",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-06-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Rathayātrā 2017 falls on Sunday 25 June. Dvitīyā runs from 15:51 on Sat 24 Jun to 12:32 on Sun 25 Jun and covers 5 of 48 minutes of madhyāhna that midday. It is 4 min 54 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/vinayaka-chaturthi?on=2017-06-26",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-06-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9890,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-06-26T09:42:06-07:00",
          "utc": "2017-06-26T16:42:06Z",
          "ms": 1498495326075.034
        },
        "end": {
          "local": "2017-06-27T07:30:38-07:00",
          "utc": "2017-06-27T14:30:38Z",
          "ms": 1498573837611.4236
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-06-26T09:42:06-07:00",
          "utc": "2017-06-26T16:42:06Z",
          "ms": 1498495326075.034
        },
        "end": {
          "local": "2017-06-27T07:30:38-07:00",
          "utc": "2017-06-27T14:30:38Z",
          "ms": 1498573837611.4236
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-06-26",
          "window": {
            "start": {
              "local": "2017-06-26T12:26:56-07:00",
              "utc": "2017-06-26T19:26:56Z",
              "ms": 1498505216470.094
            },
            "end": {
              "local": "2017-06-26T13:14:56-07:00",
              "utc": "2017-06-26T20:14:56Z",
              "ms": 1498508096470.094
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-06-27",
          "window": {
            "start": {
              "local": "2017-06-27T12:27:09-07:00",
              "utc": "2017-06-27T19:27:09Z",
              "ms": 1498591628577.4834
            },
            "end": {
              "local": "2017-06-27T13:15:09-07:00",
              "utc": "2017-06-27T20:15:09Z",
              "ms": 1498594508577.4834
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:42 on Mon 26 Jun to 07:31 on Tue 27 Jun.",
          "fact": "2017-06-26T16:42:06Z → 2017-06-27T14:30:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 26th, 12:27–13:15 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 9890 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Tijuana, 2017: Monday 26 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": "2017-06-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-06-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Vināyaka Caturthī 2017 falls on Monday 26 June. Caturthī runs from 09:42 on Mon 26 Jun to 07:31 on Tue 27 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/vinayaka-chaturthi?on=2017-06-26",
      "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/2017/skanda-panchami",
      "festival": "skanda-panchami",
      "name": "Skanda Pañcamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-06-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17791,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2017-06-27T07:30:38-07:00",
          "utc": "2017-06-27T14:30:38Z",
          "ms": 1498573837611.4236
        },
        "end": {
          "local": "2017-06-28T06:03:17-07:00",
          "utc": "2017-06-28T13:03:17Z",
          "ms": 1498654997192.4216
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-06-27T07:30:38-07:00",
          "utc": "2017-06-27T14:30:38Z",
          "ms": 1498573837611.4236
        },
        "end": {
          "local": "2017-06-28T06:03:17-07:00",
          "utc": "2017-06-28T13:03:17Z",
          "ms": 1498654997192.4216
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-06-27",
          "window": {
            "start": {
              "local": "2017-06-27T12:27:09-07:00",
              "utc": "2017-06-27T19:27:09Z",
              "ms": 1498591628577.4834
            },
            "end": {
              "local": "2017-06-27T13:15:09-07:00",
              "utc": "2017-06-27T20:15:09Z",
              "ms": 1498594508577.4834
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-06-28",
          "window": {
            "start": {
              "local": "2017-06-28T12:27:20-07:00",
              "utc": "2017-06-28T19:27:20Z",
              "ms": 1498678040482.2368
            },
            "end": {
              "local": "2017-06-28T13:15:20-07:00",
              "utc": "2017-06-28T20:15:20Z",
              "ms": 1498680920482.2368
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 07:31 on Tue 27 Jun to 06:03 on Wed 28 Jun.",
          "fact": "2017-06-27T14:30:38Z → 2017-06-28T13:03:17Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 27th, 12:27–13:15 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: paraviddha → only-day · margin 17791 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Pañcamī, Tijuana, 2017: Tuesday 27 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": "2017-06-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-06-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Skanda Pañcamī 2017 falls on Tuesday 27 June. Pañcamī runs from 07:31 on Tue 27 Jun to 06:03 on Wed 28 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/vivasvat-saptami",
      "festival": "vivasvat-saptami",
      "name": "Vivasvat Saptamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-06-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25023,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2017-06-29T05:23:20-07:00",
          "utc": "2017-06-29T12:23:20Z",
          "ms": 1498739000098.8618
        },
        "end": {
          "local": "2017-06-30T05:30:41-07:00",
          "utc": "2017-06-30T12:30:41Z",
          "ms": 1498825840770.3364
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-06-29T05:23:20-07:00",
          "utc": "2017-06-29T12:23:20Z",
          "ms": 1498739000098.8618
        },
        "end": {
          "local": "2017-06-30T05:30:41-07:00",
          "utc": "2017-06-30T12:30:41Z",
          "ms": 1498825840770.3364
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-06-29",
          "window": {
            "start": {
              "local": "2017-06-29T12:27:32-07:00",
              "utc": "2017-06-29T19:27:32Z",
              "ms": 1498764452160.4648
            },
            "end": {
              "local": "2017-06-29T13:15:32-07:00",
              "utc": "2017-06-29T20:15:32Z",
              "ms": 1498767332160.4648
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-06-30",
          "window": {
            "start": {
              "local": "2017-06-30T12:27:44-07:00",
              "utc": "2017-06-30T19:27:44Z",
              "ms": 1498850863589.7268
            },
            "end": {
              "local": "2017-06-30T13:15:44-07:00",
              "utc": "2017-06-30T20:15:44Z",
              "ms": 1498853743589.7268
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 05:23 on Thu 29 Jun to 05:31 on Fri 30 Jun.",
          "fact": "2017-06-29T12:23:20Z → 2017-06-30T12:30:41Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 29th, 12:28–13:16 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 25023 s"
        },
        {
          "step": "ruling",
          "text": "Vivasvat Saptamī, Tijuana, 2017: Thursday 29 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vivasvat-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Vivasvat saptami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-06-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-06-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Vivasvat Saptamī 2017 falls on Thursday 29 June. Saptamī runs from 05:23 on Thu 29 Jun to 05:31 on Fri 30 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ekadashi?on=2017-07-04",
      "festival": "ekadashi",
      "name": "Hariśayanī Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-07-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14397,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-07-03T09:45:34-07:00",
          "utc": "2017-07-03T16:45:34Z",
          "ms": 1499100334464.977
        },
        "end": {
          "local": "2017-07-04T11:59:33-07:00",
          "utc": "2017-07-04T18:59:33Z",
          "ms": 1499194773258.8054
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-07-03T09:45:34-07:00",
          "utc": "2017-07-03T16:45:34Z",
          "ms": 1499100334464.977
        },
        "end": {
          "local": "2017-07-04T11:59:33-07:00",
          "utc": "2017-07-04T18:59:33Z",
          "ms": 1499194773258.8054
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-07-03",
          "window": {
            "start": {
              "local": "2017-07-03T05:45:37-07:00",
              "utc": "2017-07-03T12:45:37Z",
              "ms": 1499085937159.655
            },
            "end": {
              "local": "2017-07-03T05:45:37-07:00",
              "utc": "2017-07-03T12:45:37Z",
              "ms": 1499085937159.655
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-07-04",
          "window": {
            "start": {
              "local": "2017-07-04T05:46:04-07:00",
              "utc": "2017-07-04T12:46:04Z",
              "ms": 1499172364440.9192
            },
            "end": {
              "local": "2017-07-04T05:46:04-07:00",
              "utc": "2017-07-04T12:46:04Z",
              "ms": 1499172364440.9192
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 09:46 on Mon 3 Jul to 12:00 on Tue 4 Jul.",
          "fact": "2017-07-03T16:45:34Z → 2017-07-04T18:59:33Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:46 on the 3rd and 05:46 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 14397 s"
        },
        {
          "step": "ruling",
          "text": "Hariśayanī Ekādaśī, Tijuana, 2017: Tuesday 4 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": "2017-07-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-07-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Hariśayanī Ekādaśī 2017 falls on Tuesday 4 July. Ekādaśī runs from 09:46 on Mon 3 Jul to 12:00 on Tue 4 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-07-04",
      "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/2017/pradosha-vrata?on=2017-07-05",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-07-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11615,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-07-05T14:22:05-07:00",
          "utc": "2017-07-05T21:22:05Z",
          "ms": 1499289724921.871
        },
        "end": {
          "local": "2017-07-06T16:44:55-07:00",
          "utc": "2017-07-06T23:44:55Z",
          "ms": 1499384694931.2385
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-07-05T14:22:05-07:00",
          "utc": "2017-07-05T21:22:05Z",
          "ms": 1499289724921.871
        },
        "end": {
          "local": "2017-07-06T16:44:55-07:00",
          "utc": "2017-07-06T23:44:55Z",
          "ms": 1499384694931.2385
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-07-05",
          "window": {
            "start": {
              "local": "2017-07-05T19:58:40-07:00",
              "utc": "2017-07-06T02:58:40Z",
              "ms": 1499309919989.1758
            },
            "end": {
              "local": "2017-07-05T21:17:07-07:00",
              "utc": "2017-07-06T04:17:07Z",
              "ms": 1499314626872.8057
            }
          },
          "covered_min": 78,
          "window_min": 78,
          "qualifies": true
        },
        {
          "local_date": "2017-07-06",
          "window": {
            "start": {
              "local": "2017-07-06T19:58:30-07:00",
              "utc": "2017-07-07T02:58:30Z",
              "ms": 1499396310028.8413
            },
            "end": {
              "local": "2017-07-06T21:17:02-07:00",
              "utc": "2017-07-07T04:17:02Z",
              "ms": 1499401022218.146
            }
          },
          "covered_min": 0,
          "window_min": 79,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 14:22 on Wed 5 Jul to 16:45 on Thu 6 Jul.",
          "fact": "2017-07-05T21:22:05Z → 2017-07-06T23:44:55Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:59–21:17 on the 5th, 19:59–21:17 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 78 of 78 minutes on the 5th and 0 of 79 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 11615 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Tijuana, 2017: Wednesday 5 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": "2017-07-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-07-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śukla Pradoṣa Vrata 2017 falls on Wednesday 5 July. Trayodaśī runs from 14:22 on Wed 5 Jul to 16:45 on Thu 6 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-07-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/shiva-shayanotsava",
      "festival": "shiva-shayanotsava",
      "name": "Śiva Śayanotsava",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-07-07",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 615,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2017-07-07T19:01:27-07:00",
          "utc": "2017-07-08T02:01:27Z",
          "ms": 1499479287106.9963
        },
        "end": {
          "local": "2017-07-08T21:06:34-07:00",
          "utc": "2017-07-09T04:06:34Z",
          "ms": 1499573194273.1233
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-07-07T19:01:27-07:00",
          "utc": "2017-07-08T02:01:27Z",
          "ms": 1499479287106.9963
        },
        "end": {
          "local": "2017-07-08T21:06:34-07:00",
          "utc": "2017-07-09T04:06:34Z",
          "ms": 1499573194273.1233
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-07-07",
          "window": {
            "start": {
              "local": "2017-07-07T19:58:18-07:00",
              "utc": "2017-07-08T02:58:18Z",
              "ms": 1499482698495.6277
            },
            "end": {
              "local": "2017-07-07T21:16:56-07:00",
              "utc": "2017-07-08T04:16:56Z",
              "ms": 1499487416305.4792
            }
          },
          "covered_min": 79,
          "window_min": 79,
          "qualifies": true
        },
        {
          "local_date": "2017-07-08",
          "window": {
            "start": {
              "local": "2017-07-08T19:58:05-07:00",
              "utc": "2017-07-09T02:58:05Z",
              "ms": 1499569085390.6594
            },
            "end": {
              "local": "2017-07-08T21:16:49-07:00",
              "utc": "2017-07-09T04:16:49Z",
              "ms": 1499573809131.723
            }
          },
          "covered_min": 68,
          "window_min": 79,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:01 on Fri 7 Jul to 21:07 on Sat 8 Jul.",
          "fact": "2017-07-08T02:01:27Z → 2017-07-09T04:06:34Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:58–21:17 on the 7th, 19:58–21:17 on the 8th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 79 of 79 minutes on the 7th and 68 of 79 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 615 s"
        },
        {
          "step": "ruling",
          "text": "Śiva Śayanotsava, Tijuana, 2017: Friday 7 July.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "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": "2017-07-07",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-07-07",
          "confidence": "boundary"
        }
      ],
      "quote": "In Tijuana, Śiva Śayanotsava 2017 falls on Friday 7 July. Pūrṇimā runs from 19:01 on Fri 7 Jul to 21:07 on Sat 8 Jul and covers all of pradoṣa that evening. It also reaches the next evening for 68 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/vyasa-puja",
      "festival": "vyasa-puja",
      "name": "Vyāsa Pūjā",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-07-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31319,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2017-07-07T19:01:27-07:00",
          "utc": "2017-07-08T02:01:27Z",
          "ms": 1499479287106.9963
        },
        "end": {
          "local": "2017-07-08T21:06:34-07:00",
          "utc": "2017-07-09T04:06:34Z",
          "ms": 1499573194273.1233
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-07-07T19:01:27-07:00",
          "utc": "2017-07-08T02:01:27Z",
          "ms": 1499479287106.9963
        },
        "end": {
          "local": "2017-07-08T21:06:34-07:00",
          "utc": "2017-07-09T04:06:34Z",
          "ms": 1499573194273.1233
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2017-07-08",
          "window": {
            "start": {
              "local": "2017-07-08T05:48:02-07:00",
              "utc": "2017-07-08T12:48:02Z",
              "ms": 1499518082069.5151
            },
            "end": {
              "local": "2017-07-08T08:38:03-07:00",
              "utc": "2017-07-08T15:38:03Z",
              "ms": 1499528282733.744
            }
          },
          "covered_min": 170,
          "window_min": 170,
          "qualifies": true
        },
        {
          "local_date": "2017-07-09",
          "window": {
            "start": {
              "local": "2017-07-09T05:48:33-07:00",
              "utc": "2017-07-09T12:48:33Z",
              "ms": 1499604513448.6357
            },
            "end": {
              "local": "2017-07-09T08:38:25-07:00",
              "utc": "2017-07-09T15:38:25Z",
              "ms": 1499614704902.1914
            }
          },
          "covered_min": 0,
          "window_min": 170,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:01 on Fri 7 Jul to 21:07 on Sat 8 Jul.",
          "fact": "2017-07-08T02:01:27Z → 2017-07-09T04:06:34Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:48–08:38 on the 8th, 05:49–08:38 on the 9th.",
          "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 170 of 170 minutes on the 8th and 0 of 170 on the 9th.",
          "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 31319 s"
        },
        {
          "step": "ruling",
          "text": "Vyāsa Pūjā, Tijuana, 2017: Saturday 8 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": "2017-07-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-07-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Vyāsa Pūjā 2017 falls on Saturday 8 July. Pūrṇimā runs from 19:01 on Fri 7 Jul to 21:07 on Sat 8 Jul and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/guru-purnima",
      "festival": "guru-purnima",
      "name": "Guru Pūrṇimā",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-07-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20672,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2017-07-07T19:01:27-07:00",
          "utc": "2017-07-08T02:01:27Z",
          "ms": 1499479287106.9963
        },
        "end": {
          "local": "2017-07-08T21:06:34-07:00",
          "utc": "2017-07-09T04:06:34Z",
          "ms": 1499573194273.1233
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-07-07T19:01:27-07:00",
          "utc": "2017-07-08T02:01:27Z",
          "ms": 1499479287106.9963
        },
        "end": {
          "local": "2017-07-08T21:06:34-07:00",
          "utc": "2017-07-09T04:06:34Z",
          "ms": 1499573194273.1233
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-07-07",
          "window": {
            "start": {
              "local": "2017-07-07T12:28:55-07:00",
              "utc": "2017-07-07T19:28:55Z",
              "ms": 1499455734972.127
            },
            "end": {
              "local": "2017-07-07T13:16:55-07:00",
              "utc": "2017-07-07T20:16:55Z",
              "ms": 1499458614972.127
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-07-08",
          "window": {
            "start": {
              "local": "2017-07-08T12:29:04-07:00",
              "utc": "2017-07-08T19:29:04Z",
              "ms": 1499542143730.0874
            },
            "end": {
              "local": "2017-07-08T13:17:04-07:00",
              "utc": "2017-07-08T20:17:04Z",
              "ms": 1499545023730.0874
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:01 on Fri 7 Jul to 21:07 on Sat 8 Jul.",
          "fact": "2017-07-08T02:01:27Z → 2017-07-09T04:06:34Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 7th, 12:29–13:17 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 20672 s"
        },
        {
          "step": "ruling",
          "text": "Guru Pūrṇimā, Tijuana, 2017: Saturday 8 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": "2017-07-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-07-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Guru Pūrṇimā 2017 falls on Saturday 8 July. Pūrṇimā runs from 19:01 on Fri 7 Jul to 21:07 on Sat 8 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/kokila-vrata",
      "festival": "kokila-vrata",
      "name": "Kokilā Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-07-08",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 3411,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2017-07-07T19:01:27-07:00",
          "utc": "2017-07-08T02:01:27Z",
          "ms": 1499479287106.9963
        },
        "end": {
          "local": "2017-07-08T21:06:34-07:00",
          "utc": "2017-07-09T04:06:34Z",
          "ms": 1499573194273.1233
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-07-07T19:01:27-07:00",
          "utc": "2017-07-08T02:01:27Z",
          "ms": 1499479287106.9963
        },
        "end": {
          "local": "2017-07-08T21:06:34-07:00",
          "utc": "2017-07-09T04:06:34Z",
          "ms": 1499573194273.1233
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2017-07-07",
          "window": {
            "start": {
              "local": "2017-07-07T17:08:09-07:00",
              "utc": "2017-07-08T00:08:09Z",
              "ms": 1499472489086.2273
            },
            "end": {
              "local": "2017-07-07T19:58:18-07:00",
              "utc": "2017-07-08T02:58:18Z",
              "ms": 1499482698495.6277
            }
          },
          "covered_min": 57,
          "window_min": 170,
          "qualifies": true
        },
        {
          "local_date": "2017-07-08",
          "window": {
            "start": {
              "local": "2017-07-08T17:08:05-07:00",
              "utc": "2017-07-09T00:08:05Z",
              "ms": 1499558884726.4307
            },
            "end": {
              "local": "2017-07-08T19:58:05-07:00",
              "utc": "2017-07-09T02:58:05Z",
              "ms": 1499569085390.6594
            }
          },
          "covered_min": 170,
          "window_min": 170,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:01 on Fri 7 Jul to 21:07 on Sat 8 Jul.",
          "fact": "2017-07-08T02:01:27Z → 2017-07-09T04:06:34Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:08–19:58 on the 7th, 17:08–19:58 on the 8th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 57 of 170 minutes on the 7th and 170 of 170 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Both late afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 3411 s"
        },
        {
          "step": "ruling",
          "text": "Kokilā Vrata, Tijuana, 2017: Saturday 8 July.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "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": "2017-07-08",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-07-08",
          "confidence": "boundary"
        }
      ],
      "quote": "In Tijuana, Kokilā Vrata 2017 falls on Saturday 8 July. Pūrṇimā runs from 19:01 on Fri 7 Jul to 21:07 on Sat 8 Jul and covers all of sāyāhna that late afternoon. It also reaches the previous late afternoon for 57 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ashunya-shayana-vrata-ashadha",
      "festival": "ashunya-shayana-vrata-ashadha",
      "name": "Aśūnya Śayana Vrata (Āṣāḍha)",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-07-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8912,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2017-07-09T22:56:10-07:00",
          "utc": "2017-07-10T05:56:10Z",
          "ms": 1499666169618.964
        },
        "end": {
          "local": "2017-07-11T00:26:34-07:00",
          "utc": "2017-07-11T07:26:34Z",
          "ms": 1499757993549.2495
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-07-09T22:56:10-07:00",
          "utc": "2017-07-10T05:56:10Z",
          "ms": 1499666169618.964
        },
        "end": {
          "local": "2017-07-11T00:26:34-07:00",
          "utc": "2017-07-11T07:26:34Z",
          "ms": 1499757993549.2495
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2017-07-09",
          "window": {
            "start": {
              "local": "2017-07-09T20:27:37-07:00",
              "utc": "2017-07-10T03:27:37Z",
              "ms": 1499657257168.7375
            },
            "end": {
              "local": "2017-07-09T20:27:37-07:00",
              "utc": "2017-07-10T03:27:37Z",
              "ms": 1499657257168.7375
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-07-10",
          "window": {
            "start": {
              "local": "2017-07-10T21:10:11-07:00",
              "utc": "2017-07-11T04:10:11Z",
              "ms": 1499746211100.576
            },
            "end": {
              "local": "2017-07-10T21:10:11-07:00",
              "utc": "2017-07-11T04:10:11Z",
              "ms": 1499746211100.576
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 22:56 on Sun 9 Jul to 00:27 on Tue 11 Jul.",
          "fact": "2017-07-10T05:56:10Z → 2017-07-11T07:26:34Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:28 on the 9th and 21:10 on the 10th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is not on the 9th and is on the 10th.",
          "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 8912 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata (Āṣāḍha), Tijuana, 2017: Monday 10 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": "2017-07-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-07-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Aśūnya Śayana Vrata (Āṣāḍha) 2017 falls on Monday 10 July. Dvitīyā runs from 22:56 on Sun 9 Jul to 00:27 on Tue 11 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/sankashta-chaturthi?on=2017-07-12",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-07-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13445,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-07-12T01:34:09-07:00",
          "utc": "2017-07-12T08:34:09Z",
          "ms": 1499848449105.227
        },
        "end": {
          "local": "2017-07-13T02:15:15-07:00",
          "utc": "2017-07-13T09:15:15Z",
          "ms": 1499937314518.6519
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-07-12T01:34:09-07:00",
          "utc": "2017-07-12T08:34:09Z",
          "ms": 1499848449105.227
        },
        "end": {
          "local": "2017-07-13T02:15:15-07:00",
          "utc": "2017-07-13T09:15:15Z",
          "ms": 1499937314518.6519
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2017-07-11",
          "window": {
            "start": {
              "local": "2017-07-11T21:50:04-07:00",
              "utc": "2017-07-12T04:50:04Z",
              "ms": 1499835003742.7554
            },
            "end": {
              "local": "2017-07-11T21:50:04-07:00",
              "utc": "2017-07-12T04:50:04Z",
              "ms": 1499835003742.7554
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-07-12",
          "window": {
            "start": {
              "local": "2017-07-12T22:27:45-07:00",
              "utc": "2017-07-13T05:27:45Z",
              "ms": 1499923665224.4443
            },
            "end": {
              "local": "2017-07-12T22:27:45-07:00",
              "utc": "2017-07-13T05:27:45Z",
              "ms": 1499923665224.4443
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 01:34 on Wed 12 Jul to 02:15 on Thu 13 Jul.",
          "fact": "2017-07-12T08:34:09Z → 2017-07-13T09:15:15Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:50 on the 11th and 22:28 on the 12th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 11th and is on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13445 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Tijuana, 2017: Wednesday 12 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": "2017-07-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-07-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Saṅkaṣṭa Caturthī 2017 falls on Wednesday 12 July. Caturthī runs from 01:34 on Wed 12 Jul to 02:15 on Thu 13 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/sankashta-chaturthi?on=2017-07-12",
      "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/2017/ekadashi?on=2017-07-19",
      "festival": "ekadashi",
      "name": "Kāmikā Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-07-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36190,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-07-18T18:55:43-07:00",
          "utc": "2017-07-19T01:55:43Z",
          "ms": 1500429343275.2952
        },
        "end": {
          "local": "2017-07-19T15:57:33-07:00",
          "utc": "2017-07-19T22:57:33Z",
          "ms": 1500505052803.1233
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-07-18T18:55:43-07:00",
          "utc": "2017-07-19T01:55:43Z",
          "ms": 1500429343275.2952
        },
        "end": {
          "local": "2017-07-19T15:57:33-07:00",
          "utc": "2017-07-19T22:57:33Z",
          "ms": 1500505052803.1233
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-07-18",
          "window": {
            "start": {
              "local": "2017-07-18T05:53:45-07:00",
              "utc": "2017-07-18T12:53:45Z",
              "ms": 1500382425064.8647
            },
            "end": {
              "local": "2017-07-18T05:53:45-07:00",
              "utc": "2017-07-18T12:53:45Z",
              "ms": 1500382425064.8647
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-07-19",
          "window": {
            "start": {
              "local": "2017-07-19T05:54:22-07:00",
              "utc": "2017-07-19T12:54:22Z",
              "ms": 1500468862384.7344
            },
            "end": {
              "local": "2017-07-19T05:54:22-07:00",
              "utc": "2017-07-19T12:54:22Z",
              "ms": 1500468862384.7344
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 18:56 on Tue 18 Jul to 15:58 on Wed 19 Jul.",
          "fact": "2017-07-19T01:55:43Z → 2017-07-19T22:57:33Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:54 on the 18th and 05:54 on the 19th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 36190 s"
        },
        {
          "step": "ruling",
          "text": "Kāmikā Ekādaśī, Tijuana, 2017: Wednesday 19 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": "2017-07-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-07-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Kāmikā Ekādaśī 2017 falls on Wednesday 19 July. Ekādaśī runs from 18:56 on Tue 18 Jul to 15:58 on Wed 19 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-07-19",
      "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/2017/pradosha-vrata?on=2017-07-20",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-07-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25836,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-07-20T12:42:51-07:00",
          "utc": "2017-07-20T19:42:51Z",
          "ms": 1500579771238.9863
        },
        "end": {
          "local": "2017-07-21T09:19:55-07:00",
          "utc": "2017-07-21T16:19:55Z",
          "ms": 1500653995023.6682
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-07-20T12:42:51-07:00",
          "utc": "2017-07-20T19:42:51Z",
          "ms": 1500579771238.9863
        },
        "end": {
          "local": "2017-07-21T09:19:55-07:00",
          "utc": "2017-07-21T16:19:55Z",
          "ms": 1500653995023.6682
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-07-20",
          "window": {
            "start": {
              "local": "2017-07-20T19:53:27-07:00",
              "utc": "2017-07-21T02:53:27Z",
              "ms": 1500605607463.8167
            },
            "end": {
              "local": "2017-07-20T21:13:45-07:00",
              "utc": "2017-07-21T04:13:45Z",
              "ms": 1500610424903.4536
            }
          },
          "covered_min": 80,
          "window_min": 80,
          "qualifies": true
        },
        {
          "local_date": "2017-07-21",
          "window": {
            "start": {
              "local": "2017-07-21T19:52:54-07:00",
              "utc": "2017-07-22T02:52:54Z",
              "ms": 1500691974490.7996
            },
            "end": {
              "local": "2017-07-21T21:13:21-07:00",
              "utc": "2017-07-22T04:13:21Z",
              "ms": 1500696801458.4744
            }
          },
          "covered_min": 0,
          "window_min": 80,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 12:43 on Thu 20 Jul to 09:20 on Fri 21 Jul.",
          "fact": "2017-07-20T19:42:51Z → 2017-07-21T16:19:55Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:53–21:14 on the 20th, 19:53–21:13 on the 21st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 80 of 80 minutes on the 20th and 0 of 80 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 25836 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 2017: Thursday 20 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": "2017-07-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-07-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 2017 falls on Thursday 20 July. Trayodaśī runs from 12:43 on Thu 20 Jul to 09:20 on Fri 21 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-07-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/shivaratri?on=2017-07-21",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-07-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16748,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2017-07-21T09:19:55-07:00",
          "utc": "2017-07-21T16:19:55Z",
          "ms": 1500653995023.6682
        },
        "end": {
          "local": "2017-07-22T05:57:43-07:00",
          "utc": "2017-07-22T12:57:43Z",
          "ms": 1500728263283.7312
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-07-21T09:19:55-07:00",
          "utc": "2017-07-21T16:19:55Z",
          "ms": 1500653995023.6682
        },
        "end": {
          "local": "2017-07-22T05:57:43-07:00",
          "utc": "2017-07-22T12:57:43Z",
          "ms": 1500728263283.7312
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2017-07-20",
          "window": {
            "start": {
              "local": "2017-07-21T00:30:33-07:00",
              "utc": "2017-07-21T07:30:33Z",
              "ms": 1500622232862.4556
            },
            "end": {
              "local": "2017-07-21T01:18:33-07:00",
              "utc": "2017-07-21T08:18:33Z",
              "ms": 1500625112862.4556
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-07-21",
          "window": {
            "start": {
              "local": "2017-07-22T00:30:36-07:00",
              "utc": "2017-07-22T07:30:36Z",
              "ms": 1500708635619.5798
            },
            "end": {
              "local": "2017-07-22T01:18:36-07:00",
              "utc": "2017-07-22T08:18:36Z",
              "ms": 1500711515619.5798
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 09:20 on Fri 21 Jul to 05:58 on Sat 22 Jul.",
          "fact": "2017-07-21T16:19:55Z → 2017-07-22T12:57:43Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:31–01:19 on the 20th, 00:31–01:19 on the 21st.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 16748 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Tijuana, 2017: Friday 21 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": "2017-07-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-07-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śivarātri 2017 falls on Friday 21 July. Caturdaśī runs from 09:20 on Fri 21 Jul to 05:58 on Sat 22 Jul and covers all of niśītha that night.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/shivaratri?on=2017-07-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/madhusrava-tritiya",
      "festival": "madhusrava-tritiya",
      "name": "Madhusravā Tṛtīyā",
      "everyday": "Hariyali Teej",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-07-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22817,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2017-07-24T21:27:51-07:00",
          "utc": "2017-07-25T04:27:51Z",
          "ms": 1500956870923.8015
        },
        "end": {
          "local": "2017-07-25T19:38:38-07:00",
          "utc": "2017-07-26T02:38:38Z",
          "ms": 1501036717886.2932
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-07-24T21:27:51-07:00",
          "utc": "2017-07-25T04:27:51Z",
          "ms": 1500956870923.8015
        },
        "end": {
          "local": "2017-07-25T19:38:38-07:00",
          "utc": "2017-07-26T02:38:38Z",
          "ms": 1501036717886.2932
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-07-24",
          "window": {
            "start": {
              "local": "2017-07-24T12:30:21-07:00",
              "utc": "2017-07-24T19:30:21Z",
              "ms": 1500924620724.7207
            },
            "end": {
              "local": "2017-07-24T13:18:21-07:00",
              "utc": "2017-07-24T20:18:21Z",
              "ms": 1500927500724.7207
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-07-25",
          "window": {
            "start": {
              "local": "2017-07-25T12:30:21-07:00",
              "utc": "2017-07-25T19:30:21Z",
              "ms": 1501011021004.1692
            },
            "end": {
              "local": "2017-07-25T13:18:21-07:00",
              "utc": "2017-07-25T20:18:21Z",
              "ms": 1501013901004.1692
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 21:28 on Mon 24 Jul to 19:39 on Tue 25 Jul.",
          "fact": "2017-07-25T04:27:51Z → 2017-07-26T02:38:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 24th, 12:30–13:18 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 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 22817 s"
        },
        {
          "step": "ruling",
          "text": "Madhusravā Tṛtīyā, Tijuana, 2017: Tuesday 25 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": "2017-07-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-07-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Madhusravā Tṛtīyā (Hariyali Teej) 2017 falls on Tuesday 25 July. Tṛtīyā runs from 21:28 on Mon 24 Jul to 19:39 on Tue 25 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/vinayaka-chaturthi?on=2017-07-26",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-07-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18760,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-07-25T19:38:38-07:00",
          "utc": "2017-07-26T02:38:38Z",
          "ms": 1501036717886.2932
        },
        "end": {
          "local": "2017-07-26T18:31:00-07:00",
          "utc": "2017-07-27T01:31:00Z",
          "ms": 1501119060405.1426
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-07-25T19:38:38-07:00",
          "utc": "2017-07-26T02:38:38Z",
          "ms": 1501036717886.2932
        },
        "end": {
          "local": "2017-07-26T18:31:00-07:00",
          "utc": "2017-07-27T01:31:00Z",
          "ms": 1501119060405.1426
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-07-25",
          "window": {
            "start": {
              "local": "2017-07-25T12:30:21-07:00",
              "utc": "2017-07-25T19:30:21Z",
              "ms": 1501011021004.1692
            },
            "end": {
              "local": "2017-07-25T13:18:21-07:00",
              "utc": "2017-07-25T20:18:21Z",
              "ms": 1501013901004.1692
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-07-26",
          "window": {
            "start": {
              "local": "2017-07-26T12:30:21-07:00",
              "utc": "2017-07-26T19:30:21Z",
              "ms": 1501097420682.2637
            },
            "end": {
              "local": "2017-07-26T13:18:21-07:00",
              "utc": "2017-07-26T20:18:21Z",
              "ms": 1501100300682.2637
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 19:39 on Tue 25 Jul to 18:31 on Wed 26 Jul.",
          "fact": "2017-07-26T02:38:38Z → 2017-07-27T01:31:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 25th, 12:30–13:18 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 18760 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Tijuana, 2017: Wednesday 26 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": "2017-07-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-07-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Vināyaka Caturthī 2017 falls on Wednesday 26 July. Caturthī runs from 19:39 on Tue 25 Jul to 18:31 on Wed 26 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/vinayaka-chaturthi?on=2017-07-26",
      "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/2017/naga-panchami",
      "festival": "naga-panchami",
      "name": "Nāga Pañcamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-07-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17409,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2017-07-26T18:31:00-07:00",
          "utc": "2017-07-27T01:31:00Z",
          "ms": 1501119060405.1426
        },
        "end": {
          "local": "2017-07-27T18:08:29-07:00",
          "utc": "2017-07-28T01:08:29Z",
          "ms": 1501204108953.2397
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-07-26T18:31:00-07:00",
          "utc": "2017-07-27T01:31:00Z",
          "ms": 1501119060405.1426
        },
        "end": {
          "local": "2017-07-27T18:08:29-07:00",
          "utc": "2017-07-28T01:08:29Z",
          "ms": 1501204108953.2397
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-07-26",
          "window": {
            "start": {
              "local": "2017-07-26T12:30:21-07:00",
              "utc": "2017-07-26T19:30:21Z",
              "ms": 1501097420682.2637
            },
            "end": {
              "local": "2017-07-26T13:18:21-07:00",
              "utc": "2017-07-26T20:18:21Z",
              "ms": 1501100300682.2637
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-07-27",
          "window": {
            "start": {
              "local": "2017-07-27T12:30:20-07:00",
              "utc": "2017-07-27T19:30:20Z",
              "ms": 1501183819752.0415
            },
            "end": {
              "local": "2017-07-27T13:18:20-07:00",
              "utc": "2017-07-27T20:18:20Z",
              "ms": 1501186699752.0415
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 18:31 on Wed 26 Jul to 18:08 on Thu 27 Jul.",
          "fact": "2017-07-27T01:31:00Z → 2017-07-28T01:08:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 26th, 12:30–13:18 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 17409 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī, Tijuana, 2017: Thursday 27 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": "2017-07-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-07-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Nāga Pañcamī 2017 falls on Thursday 27 July. Pañcamī runs from 18:31 on Wed 26 Jul to 18:08 on Thu 27 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ekadashi?on=2017-08-02",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7025,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-08-02T01:44:06-07:00",
          "utc": "2017-08-02T08:44:06Z",
          "ms": 1501663446138.6208
        },
        "end": {
          "local": "2017-08-03T04:07:10-07:00",
          "utc": "2017-08-03T11:07:10Z",
          "ms": 1501758430344.8975
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-02T01:44:06-07:00",
          "utc": "2017-08-02T08:44:06Z",
          "ms": 1501663446138.6208
        },
        "end": {
          "local": "2017-08-03T04:07:10-07:00",
          "utc": "2017-08-03T11:07:10Z",
          "ms": 1501758430344.8975
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-08-02",
          "window": {
            "start": {
              "local": "2017-08-02T06:03:35-07:00",
              "utc": "2017-08-02T13:03:35Z",
              "ms": 1501679014571.1038
            },
            "end": {
              "local": "2017-08-02T06:03:35-07:00",
              "utc": "2017-08-02T13:03:35Z",
              "ms": 1501679014571.1038
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-08-03",
          "window": {
            "start": {
              "local": "2017-08-03T06:04:15-07:00",
              "utc": "2017-08-03T13:04:15Z",
              "ms": 1501765455028.7256
            },
            "end": {
              "local": "2017-08-03T06:04:15-07:00",
              "utc": "2017-08-03T13:04:15Z",
              "ms": 1501765455028.7256
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 01:44 on Wed 2 Aug to 04:07 on Thu 3 Aug.",
          "fact": "2017-08-02T08:44:06Z → 2017-08-03T11:07:10Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:04 on the 2nd and 06:04 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 7025 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Tijuana, 2017: Wednesday 2 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": "2017-08-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Putradā Ekādaśī 2017 falls on Wednesday 2 August. Ekādaśī runs from 01:44 on Wed 2 Aug to 04:07 on Thu 3 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-08-02",
      "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/2017/damodara-dvadashi",
      "festival": "damodara-dvadashi",
      "name": "Dāmodara Dvādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22047,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2017-08-03T04:07:10-07:00",
          "utc": "2017-08-03T11:07:10Z",
          "ms": 1501758430344.8975
        },
        "end": {
          "local": "2017-08-04T06:22:23-07:00",
          "utc": "2017-08-04T13:22:23Z",
          "ms": 1501852943144.2961
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-03T04:07:10-07:00",
          "utc": "2017-08-03T11:07:10Z",
          "ms": 1501758430344.8975
        },
        "end": {
          "local": "2017-08-04T06:22:23-07:00",
          "utc": "2017-08-04T13:22:23Z",
          "ms": 1501852943144.2961
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-08-03",
          "window": {
            "start": {
              "local": "2017-08-03T12:29:56-07:00",
              "utc": "2017-08-03T19:29:56Z",
              "ms": 1501788595978.4502
            },
            "end": {
              "local": "2017-08-03T13:17:56-07:00",
              "utc": "2017-08-03T20:17:56Z",
              "ms": 1501791475978.4502
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-08-04",
          "window": {
            "start": {
              "local": "2017-08-04T12:29:50-07:00",
              "utc": "2017-08-04T19:29:50Z",
              "ms": 1501874990125.234
            },
            "end": {
              "local": "2017-08-04T13:17:50-07:00",
              "utc": "2017-08-04T20:17:50Z",
              "ms": 1501877870125.234
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 04:07 on Thu 3 Aug to 06:22 on Fri 4 Aug.",
          "fact": "2017-08-03T11:07:10Z → 2017-08-04T13:22:23Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 3rd, 12:30–13:18 on the 4th.",
          "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 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: purvaviddha → only-day · margin 22047 s"
        },
        {
          "step": "ruling",
          "text": "Dāmodara Dvādaśī, Tijuana, 2017: Thursday 3 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": "2017-08-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Dāmodara Dvādaśī 2017 falls on Thursday 3 August. Dvādaśī runs from 04:07 on Thu 3 Aug to 06:22 on Fri 4 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/pradosha-vrata?on=2017-08-04",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33356,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-08-04T06:22:23-07:00",
          "utc": "2017-08-04T13:22:23Z",
          "ms": 1501852943144.2961
        },
        "end": {
          "local": "2017-08-05T08:21:30-07:00",
          "utc": "2017-08-05T15:21:30Z",
          "ms": 1501946489548.8506
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-04T06:22:23-07:00",
          "utc": "2017-08-04T13:22:23Z",
          "ms": 1501852943144.2961
        },
        "end": {
          "local": "2017-08-05T08:21:30-07:00",
          "utc": "2017-08-05T15:21:30Z",
          "ms": 1501946489548.8506
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-08-03",
          "window": {
            "start": {
              "local": "2017-08-03T19:43:37-07:00",
              "utc": "2017-08-04T02:43:37Z",
              "ms": 1501814616928.175
            },
            "end": {
              "local": "2017-08-03T21:06:27-07:00",
              "utc": "2017-08-04T04:06:27Z",
              "ms": 1501819587405.7915
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        },
        {
          "local_date": "2017-08-04",
          "window": {
            "start": {
              "local": "2017-08-04T19:42:45-07:00",
              "utc": "2017-08-05T02:42:45Z",
              "ms": 1501900964740.1687
            },
            "end": {
              "local": "2017-08-04T21:05:48-07:00",
              "utc": "2017-08-05T04:05:48Z",
              "ms": 1501905947574.9941
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:22 on Fri 4 Aug to 08:21 on Sat 5 Aug.",
          "fact": "2017-08-04T13:22:23Z → 2017-08-05T15:21:30Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:44–21:06 on the 3rd, 19:43–21:06 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 83 minutes on the 3rd and 83 of 83 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 33356 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Tijuana, 2017: Friday 4 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": "2017-08-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śukla Pradoṣa Vrata 2017 falls on Friday 4 August. Trayodaśī runs from 06:22 on Fri 4 Aug to 08:21 on Sat 5 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-08-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/raksha-bandhana",
      "festival": "raksha-bandhana",
      "name": "Rakṣā Bandhana",
      "everyday": "Rakhi",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-06",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 18220,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2017-08-06T09:58:44-07:00",
          "utc": "2017-08-06T16:58:44Z",
          "ms": 1502038723582.0156
        },
        "end": {
          "local": "2017-08-07T11:10:37-07:00",
          "utc": "2017-08-07T18:10:37Z",
          "ms": 1502129436993.7092
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "second-half",
        "start": {
          "local": "2017-08-06T22:37:59-07:00",
          "utc": "2017-08-07T05:37:59Z",
          "ms": 1502084278733.5225
        },
        "end": {
          "local": "2017-08-07T11:10:37-07:00",
          "utc": "2017-08-07T18:10:37Z",
          "ms": 1502129436993.7092
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2017-08-06",
          "window": {
            "start": {
              "local": "2017-08-06T06:06:16-07:00",
              "utc": "2017-08-06T13:06:16Z",
              "ms": 1502024776488.936
            },
            "end": {
              "local": "2017-08-07T06:06:57-07:00",
              "utc": "2017-08-07T13:06:57Z",
              "ms": 1502111216961.5596
            }
          },
          "covered_min": 449,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "2017-08-07",
          "window": {
            "start": {
              "local": "2017-08-07T06:06:57-07:00",
              "utc": "2017-08-07T13:06:57Z",
              "ms": 1502111216961.5596
            },
            "end": {
              "local": "2017-08-08T06:07:37-07:00",
              "utc": "2017-08-08T13:07:37Z",
              "ms": 1502197657409.2175
            }
          },
          "covered_min": 304,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 09:59 on Sun 6 Aug to 11:11 on Mon 7 Aug. Its second half begins at 22:38 on Sun 6 Aug.",
          "fact": "2017-08-06T16:58:44Z → 2017-08-07T18:10:37Z · second half from 2017-08-07T05:37:59Z"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 06:06 on the 6th, and from 06:07 on the 7th.",
          "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 449 of 1441 minutes on the 6th and 304 of 1441 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 18220 s"
        },
        {
          "step": "ruling",
          "text": "Rakṣā Bandhana, Tijuana, 2017: Sunday 6 August.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "raksha-bandhana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana"
          }
        ],
        "kaala": "day",
        "priority": "unstated",
        "when_absent": "unstated",
        "half": "second"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-08-06",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-06",
          "confidence": "boundary"
        }
      ],
      "quote": "In Tijuana, Rakṣā Bandhana (Rakhi) 2017 falls on Sunday 6 August. The second half of Pūrṇimā runs from 22:38 on Sun 6 Aug to 11:11 on Mon 7 Aug and falls on two days: 449 minutes of it on the 6th, 304 on the 7th; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/rishi-tarpana",
      "festival": "rishi-tarpana",
      "name": "Ṛṣi Tarpaṇa",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4732,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2017-08-06T09:58:44-07:00",
          "utc": "2017-08-06T16:58:44Z",
          "ms": 1502038723582.0156
        },
        "end": {
          "local": "2017-08-07T11:10:37-07:00",
          "utc": "2017-08-07T18:10:37Z",
          "ms": 1502129436993.7092
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-06T09:58:44-07:00",
          "utc": "2017-08-06T16:58:44Z",
          "ms": 1502038723582.0156
        },
        "end": {
          "local": "2017-08-07T11:10:37-07:00",
          "utc": "2017-08-07T18:10:37Z",
          "ms": 1502129436993.7092
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-08-06",
          "window": {
            "start": {
              "local": "2017-08-06T12:29:37-07:00",
              "utc": "2017-08-06T19:29:37Z",
              "ms": 1502047776616.3354
            },
            "end": {
              "local": "2017-08-06T13:17:37-07:00",
              "utc": "2017-08-06T20:17:37Z",
              "ms": 1502050656616.3354
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-08-07",
          "window": {
            "start": {
              "local": "2017-08-07T12:29:29-07:00",
              "utc": "2017-08-07T19:29:29Z",
              "ms": 1502134168974.6975
            },
            "end": {
              "local": "2017-08-07T13:17:29-07:00",
              "utc": "2017-08-07T20:17:29Z",
              "ms": 1502137048974.6975
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 09:59 on Sun 6 Aug to 11:11 on Mon 7 Aug.",
          "fact": "2017-08-06T16:58:44Z → 2017-08-07T18:10:37Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 6th, 12:29–13:17 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 4732 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Tarpaṇa, Tijuana, 2017: Sunday 6 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": "2017-08-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Ṛṣi Tarpaṇa 2017 falls on Sunday 6 August. Pūrṇimā runs from 09:59 on Sun 6 Aug to 11:11 on Mon 7 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ashunya-shayana-vrata",
      "festival": "ashunya-shayana-vrata",
      "name": "Aśūnya Śayana Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30777,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2017-08-08T11:55:30-07:00",
          "utc": "2017-08-08T18:55:30Z",
          "ms": 1502218530305.0312
        },
        "end": {
          "local": "2017-08-09T12:12:59-07:00",
          "utc": "2017-08-09T19:12:59Z",
          "ms": 1502305979207.4773
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-08T11:55:30-07:00",
          "utc": "2017-08-08T18:55:30Z",
          "ms": 1502218530305.0312
        },
        "end": {
          "local": "2017-08-09T12:12:59-07:00",
          "utc": "2017-08-09T19:12:59Z",
          "ms": 1502305979207.4773
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2017-08-08",
          "window": {
            "start": {
              "local": "2017-08-08T20:28:27-07:00",
              "utc": "2017-08-09T03:28:27Z",
              "ms": 1502249306907.921
            },
            "end": {
              "local": "2017-08-08T20:28:27-07:00",
              "utc": "2017-08-09T03:28:27Z",
              "ms": 1502249306907.921
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-08-09",
          "window": {
            "start": {
              "local": "2017-08-09T21:05:37-07:00",
              "utc": "2017-08-10T04:05:37Z",
              "ms": 1502337936897.5457
            },
            "end": {
              "local": "2017-08-09T21:05:37-07:00",
              "utc": "2017-08-10T04:05:37Z",
              "ms": 1502337936897.5457
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 11:56 on Tue 8 Aug to 12:13 on Wed 9 Aug.",
          "fact": "2017-08-08T18:55:30Z → 2017-08-09T19:12:59Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:28 on the 8th and 21:06 on the 9th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is on the 8th and is not 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: paraviddha → only-day · margin 30777 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata, Tijuana, 2017: Tuesday 8 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": "2017-08-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Aśūnya Śayana Vrata 2017 falls on Tuesday 8 August. Dvitīyā runs from 11:56 on Tue 8 Aug to 12:13 on Wed 9 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/kajjali-tritiya",
      "festival": "kajjali-tritiya",
      "name": "Kajjalī Tṛtīyā",
      "everyday": "Kajari Teej",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 973,
      "anga": {
        "type": "tithi",
        "index": 17,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2017-08-09T12:12:59-07:00",
          "utc": "2017-08-09T19:12:59Z",
          "ms": 1502305979207.4773
        },
        "end": {
          "local": "2017-08-10T12:03:26-07:00",
          "utc": "2017-08-10T19:03:26Z",
          "ms": 1502391805642.2817
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-09T12:12:59-07:00",
          "utc": "2017-08-09T19:12:59Z",
          "ms": 1502305979207.4773
        },
        "end": {
          "local": "2017-08-10T12:03:26-07:00",
          "utc": "2017-08-10T19:03:26Z",
          "ms": 1502391805642.2817
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-08-09",
          "window": {
            "start": {
              "local": "2017-08-09T12:29:12-07:00",
              "utc": "2017-08-09T19:29:12Z",
              "ms": 1502306951959.4
            },
            "end": {
              "local": "2017-08-09T13:17:12-07:00",
              "utc": "2017-08-09T20:17:12Z",
              "ms": 1502309831959.4
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-08-10",
          "window": {
            "start": {
              "local": "2017-08-10T12:29:03-07:00",
              "utc": "2017-08-10T19:29:03Z",
              "ms": 1502393342605.146
            },
            "end": {
              "local": "2017-08-10T13:17:03-07:00",
              "utc": "2017-08-10T20:17:03Z",
              "ms": 1502396222605.146
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 12:13 on Wed 9 Aug to 12:03 on Thu 10 Aug.",
          "fact": "2017-08-09T19:12:59Z → 2017-08-10T19:03:26Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 9th, 12:29–13:17 on the 10th.",
          "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 9th and 0 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: paraviddha → only-day · margin 973 s"
        },
        {
          "step": "ruling",
          "text": "Kajjalī Tṛtīyā, Tijuana, 2017: Wednesday 9 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": "2017-08-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Kajjalī Tṛtīyā (Kajari Teej) 2017 falls on Wednesday 9 August. Tṛtīyā runs from 12:13 on Wed 9 Aug to 12:03 on Thu 10 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/bahula-chaturthi",
      "festival": "bahula-chaturthi",
      "name": "Bahulā Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17524,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-08-10T12:03:26-07:00",
          "utc": "2017-08-10T19:03:26Z",
          "ms": 1502391805642.2817
        },
        "end": {
          "local": "2017-08-11T11:27:38-07:00",
          "utc": "2017-08-11T18:27:38Z",
          "ms": 1502476058405.1975
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-10T12:03:26-07:00",
          "utc": "2017-08-10T19:03:26Z",
          "ms": 1502391805642.2817
        },
        "end": {
          "local": "2017-08-11T11:27:38-07:00",
          "utc": "2017-08-11T18:27:38Z",
          "ms": 1502476058405.1975
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2017-08-10",
          "window": {
            "start": {
              "local": "2017-08-10T16:55:29-07:00",
              "utc": "2017-08-10T23:55:29Z",
              "ms": 1502409329250.465
            },
            "end": {
              "local": "2017-08-10T19:37:07-07:00",
              "utc": "2017-08-11T02:37:07Z",
              "ms": 1502419027014.0112
            }
          },
          "covered_min": 162,
          "window_min": 162,
          "qualifies": true
        },
        {
          "local_date": "2017-08-11",
          "window": {
            "start": {
              "local": "2017-08-11T16:54:49-07:00",
              "utc": "2017-08-11T23:54:49Z",
              "ms": 1502495689207.6204
            },
            "end": {
              "local": "2017-08-11T19:36:07-07:00",
              "utc": "2017-08-12T02:36:07Z",
              "ms": 1502505366879.0745
            }
          },
          "covered_min": 0,
          "window_min": 161,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:03 on Thu 10 Aug to 11:28 on Fri 11 Aug.",
          "fact": "2017-08-10T19:03:26Z → 2017-08-11T18:27:38Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:55–19:37 on the 10th, 16:55–19:36 on the 11th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during sāyāhna. It covers 162 of 162 minutes on the 10th and 0 of 161 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one late afternoon qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 17524 s"
        },
        {
          "step": "ruling",
          "text": "Bahulā Caturthī, Tijuana, 2017: Thursday 10 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": "2017-08-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Bahulā Caturthī 2017 falls on Thursday 10 August. Caturthī runs from 12:03 on Thu 10 Aug to 11:28 on Fri 11 Aug and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/sankashta-chaturthi?on=2017-08-10",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34703,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-08-10T12:03:26-07:00",
          "utc": "2017-08-10T19:03:26Z",
          "ms": 1502391805642.2817
        },
        "end": {
          "local": "2017-08-11T11:27:38-07:00",
          "utc": "2017-08-11T18:27:38Z",
          "ms": 1502476058405.1975
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-10T12:03:26-07:00",
          "utc": "2017-08-10T19:03:26Z",
          "ms": 1502391805642.2817
        },
        "end": {
          "local": "2017-08-11T11:27:38-07:00",
          "utc": "2017-08-11T18:27:38Z",
          "ms": 1502476058405.1975
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2017-08-10",
          "window": {
            "start": {
              "local": "2017-08-10T21:41:48-07:00",
              "utc": "2017-08-11T04:41:48Z",
              "ms": 1502426508388.5837
            },
            "end": {
              "local": "2017-08-10T21:41:48-07:00",
              "utc": "2017-08-11T04:41:48Z",
              "ms": 1502426508388.5837
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-08-11",
          "window": {
            "start": {
              "local": "2017-08-11T22:17:59-07:00",
              "utc": "2017-08-12T05:17:59Z",
              "ms": 1502515078833.1118
            },
            "end": {
              "local": "2017-08-11T22:17:59-07:00",
              "utc": "2017-08-12T05:17:59Z",
              "ms": 1502515078833.1118
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:03 on Thu 10 Aug to 11:28 on Fri 11 Aug.",
          "fact": "2017-08-10T19:03:26Z → 2017-08-11T18:27:38Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:42 on the 10th and 22:18 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 34703 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Tijuana, 2017: Thursday 10 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": "2017-08-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Saṅkaṣṭa Caturthī 2017 falls on Thursday 10 August. Caturthī runs from 12:03 on Thu 10 Aug to 11:28 on Fri 11 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/sankashta-chaturthi?on=2017-08-10",
      "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/2017/hala-shashthi",
      "festival": "hala-shashthi",
      "name": "Hala Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7318,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2017-08-12T10:26:44-07:00",
          "utc": "2017-08-12T17:26:44Z",
          "ms": 1502558804413.3376
        },
        "end": {
          "local": "2017-08-13T09:02:09-07:00",
          "utc": "2017-08-13T16:02:09Z",
          "ms": 1502640129186.4631
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-12T10:26:44-07:00",
          "utc": "2017-08-12T17:26:44Z",
          "ms": 1502558804413.3376
        },
        "end": {
          "local": "2017-08-13T09:02:09-07:00",
          "utc": "2017-08-13T16:02:09Z",
          "ms": 1502640129186.4631
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-08-12",
          "window": {
            "start": {
              "local": "2017-08-12T12:28:42-07:00",
              "utc": "2017-08-12T19:28:42Z",
              "ms": 1502566122256.2036
            },
            "end": {
              "local": "2017-08-12T13:16:42-07:00",
              "utc": "2017-08-12T20:16:42Z",
              "ms": 1502569002256.2036
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-08-13",
          "window": {
            "start": {
              "local": "2017-08-13T12:28:31-07:00",
              "utc": "2017-08-13T19:28:31Z",
              "ms": 1502652511283.4578
            },
            "end": {
              "local": "2017-08-13T13:16:31-07:00",
              "utc": "2017-08-13T20:16:31Z",
              "ms": 1502655391283.4578
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 10:27 on Sat 12 Aug to 09:02 on Sun 13 Aug.",
          "fact": "2017-08-12T17:26:44Z → 2017-08-13T16:02:09Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 12th, 12:29–13:17 on the 13th.",
          "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 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 7318 s"
        },
        {
          "step": "ruling",
          "text": "Hala Ṣaṣṭhī, Tijuana, 2017: Saturday 12 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": "2017-08-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Hala Ṣaṣṭhī 2017 falls on Saturday 12 August. Ṣaṣṭhī runs from 10:27 on Sat 12 Aug to 09:02 on Sun 13 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/shitala-saptami",
      "festival": "shitala-saptami",
      "name": "Śītalā Saptamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12382,
      "anga": {
        "type": "tithi",
        "index": 21,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2017-08-13T09:02:09-07:00",
          "utc": "2017-08-13T16:02:09Z",
          "ms": 1502640129186.4631
        },
        "end": {
          "local": "2017-08-14T07:15:44-07:00",
          "utc": "2017-08-14T14:15:44Z",
          "ms": 1502720143550.5798
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-13T09:02:09-07:00",
          "utc": "2017-08-13T16:02:09Z",
          "ms": 1502640129186.4631
        },
        "end": {
          "local": "2017-08-14T07:15:44-07:00",
          "utc": "2017-08-14T14:15:44Z",
          "ms": 1502720143550.5798
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-08-13",
          "window": {
            "start": {
              "local": "2017-08-13T12:28:31-07:00",
              "utc": "2017-08-13T19:28:31Z",
              "ms": 1502652511283.4578
            },
            "end": {
              "local": "2017-08-13T13:16:31-07:00",
              "utc": "2017-08-13T20:16:31Z",
              "ms": 1502655391283.4578
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-08-14",
          "window": {
            "start": {
              "local": "2017-08-14T12:28:20-07:00",
              "utc": "2017-08-14T19:28:20Z",
              "ms": 1502738899793.075
            },
            "end": {
              "local": "2017-08-14T13:16:20-07:00",
              "utc": "2017-08-14T20:16:20Z",
              "ms": 1502741779793.075
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 09:02 on Sun 13 Aug to 07:16 on Mon 14 Aug.",
          "fact": "2017-08-13T16:02:09Z → 2017-08-14T14:15:44Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 13th, 12:28–13:16 on the 14th.",
          "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 13th and 0 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 12382 s"
        },
        {
          "step": "ruling",
          "text": "Śītalā Saptamī, Tijuana, 2017: Sunday 13 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": "2017-08-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śītalā Saptamī 2017 falls on Sunday 13 August. Saptamī runs from 09:02 on Sun 13 Aug to 07:16 on Mon 14 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/janmashtami",
      "festival": "janmashtami",
      "name": "Janmāṣṭamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13993,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2017-08-14T07:15:44-07:00",
          "utc": "2017-08-14T14:15:44Z",
          "ms": 1502720143550.5798
        },
        "end": {
          "local": "2017-08-15T05:09:53-07:00",
          "utc": "2017-08-15T12:09:53Z",
          "ms": 1502798992981.024
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-14T07:15:44-07:00",
          "utc": "2017-08-14T14:15:44Z",
          "ms": 1502720143550.5798
        },
        "end": {
          "local": "2017-08-15T05:09:53-07:00",
          "utc": "2017-08-15T12:09:53Z",
          "ms": 1502798992981.024
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2017-08-13",
          "window": {
            "start": {
              "local": "2017-08-14T00:28:51-07:00",
              "utc": "2017-08-14T07:28:51Z",
              "ms": 1502695731358.2788
            },
            "end": {
              "local": "2017-08-14T01:16:51-07:00",
              "utc": "2017-08-14T08:16:51Z",
              "ms": 1502698611358.2788
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-08-14",
          "window": {
            "start": {
              "local": "2017-08-15T00:28:40-07:00",
              "utc": "2017-08-15T07:28:40Z",
              "ms": 1502782119833.0835
            },
            "end": {
              "local": "2017-08-15T01:16:40-07:00",
              "utc": "2017-08-15T08:16:40Z",
              "ms": 1502784999833.0835
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 07:16 on Mon 14 Aug to 05:10 on Tue 15 Aug.",
          "fact": "2017-08-14T14:15:44Z → 2017-08-15T12:09:53Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:29–01:17 on the 13th, 00:29–01:17 on the 14th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 13993 s"
        },
        {
          "step": "ruling",
          "text": "Janmāṣṭamī, Tijuana, 2017: Monday 14 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": "2017-08-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Janmāṣṭamī 2017 falls on Monday 14 August. Aṣṭamī runs from 07:16 on Mon 14 Aug to 05:10 on Tue 15 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ekadashi?on=2017-08-17",
      "festival": "ekadashi",
      "name": "Ajā Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21618,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-08-17T00:13:21-07:00",
          "utc": "2017-08-17T07:13:21Z",
          "ms": 1502954001329.305
        },
        "end": {
          "local": "2017-08-17T21:31:27-07:00",
          "utc": "2017-08-18T04:31:27Z",
          "ms": 1503030686552.0671
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-17T00:13:21-07:00",
          "utc": "2017-08-17T07:13:21Z",
          "ms": 1502954001329.305
        },
        "end": {
          "local": "2017-08-17T21:31:27-07:00",
          "utc": "2017-08-18T04:31:27Z",
          "ms": 1503030686552.0671
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-08-17",
          "window": {
            "start": {
              "local": "2017-08-17T06:13:39-07:00",
              "utc": "2017-08-17T13:13:39Z",
              "ms": 1502975619163.2178
            },
            "end": {
              "local": "2017-08-17T06:13:39-07:00",
              "utc": "2017-08-17T13:13:39Z",
              "ms": 1502975619163.2178
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-08-18",
          "window": {
            "start": {
              "local": "2017-08-18T06:14:19-07:00",
              "utc": "2017-08-18T13:14:19Z",
              "ms": 1503062058994.7158
            },
            "end": {
              "local": "2017-08-18T06:14:19-07:00",
              "utc": "2017-08-18T13:14:19Z",
              "ms": 1503062058994.7158
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 00:13 on Thu 17 Aug to 21:31 on Thu 17 Aug.",
          "fact": "2017-08-17T07:13:21Z → 2017-08-18T04:31:27Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:14 on the 17th and 06:14 on the 18th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 17th and is not on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 21618 s"
        },
        {
          "step": "ruling",
          "text": "Ajā Ekādaśī, Tijuana, 2017: Thursday 17 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": "2017-08-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Ajā Ekādaśī 2017 falls on Thursday 17 August. Ekādaśī runs from 00:13 on Thu 17 Aug to 21:31 on Thu 17 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-08-17",
      "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/2017/pradosha-vrata?on=2017-08-18",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2460,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-08-18T18:47:38-07:00",
          "utc": "2017-08-19T01:47:38Z",
          "ms": 1503107258352.2913
        },
        "end": {
          "local": "2017-08-19T16:08:14-07:00",
          "utc": "2017-08-19T23:08:14Z",
          "ms": 1503184094452.6033
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-18T18:47:38-07:00",
          "utc": "2017-08-19T01:47:38Z",
          "ms": 1503107258352.2913
        },
        "end": {
          "local": "2017-08-19T16:08:14-07:00",
          "utc": "2017-08-19T23:08:14Z",
          "ms": 1503184094452.6033
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-08-18",
          "window": {
            "start": {
              "local": "2017-08-18T19:28:39-07:00",
              "utc": "2017-08-19T02:28:39Z",
              "ms": 1503109718715.9182
            },
            "end": {
              "local": "2017-08-18T20:54:49-07:00",
              "utc": "2017-08-19T03:54:49Z",
              "ms": 1503114889384.217
            }
          },
          "covered_min": 86,
          "window_min": 86,
          "qualifies": true
        },
        {
          "local_date": "2017-08-19",
          "window": {
            "start": {
              "local": "2017-08-19T19:27:31-07:00",
              "utc": "2017-08-20T02:27:31Z",
              "ms": 1503196051113.2922
            },
            "end": {
              "local": "2017-08-19T20:53:56-07:00",
              "utc": "2017-08-20T03:53:56Z",
              "ms": 1503201236078.925
            }
          },
          "covered_min": 0,
          "window_min": 86,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 18:48 on Fri 18 Aug to 16:08 on Sat 19 Aug.",
          "fact": "2017-08-19T01:47:38Z → 2017-08-19T23:08:14Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:29–20:55 on the 18th, 19:28–20:54 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 86 of 86 minutes on the 18th and 0 of 86 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 2460 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 2017: Friday 18 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": "2017-08-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 2017 falls on Friday 18 August. Trayodaśī runs from 18:48 on Fri 18 Aug to 16:08 on Sat 19 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-08-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/aghora-chaturdashi",
      "festival": "aghora-chaturdashi",
      "name": "Aghora Caturdaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11957,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2017-08-19T16:08:14-07:00",
          "utc": "2017-08-19T23:08:14Z",
          "ms": 1503184094452.6033
        },
        "end": {
          "local": "2017-08-20T13:40:04-07:00",
          "utc": "2017-08-20T20:40:04Z",
          "ms": 1503261603504.048
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-19T16:08:14-07:00",
          "utc": "2017-08-19T23:08:14Z",
          "ms": 1503184094452.6033
        },
        "end": {
          "local": "2017-08-20T13:40:04-07:00",
          "utc": "2017-08-20T20:40:04Z",
          "ms": 1503261603504.048
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-08-19",
          "window": {
            "start": {
              "local": "2017-08-19T19:27:31-07:00",
              "utc": "2017-08-20T02:27:31Z",
              "ms": 1503196051113.2922
            },
            "end": {
              "local": "2017-08-19T20:53:56-07:00",
              "utc": "2017-08-20T03:53:56Z",
              "ms": 1503201236078.925
            }
          },
          "covered_min": 86,
          "window_min": 86,
          "qualifies": true
        },
        {
          "local_date": "2017-08-20",
          "window": {
            "start": {
              "local": "2017-08-20T19:26:23-07:00",
              "utc": "2017-08-21T02:26:23Z",
              "ms": 1503282382687.4116
            },
            "end": {
              "local": "2017-08-20T20:53:02-07:00",
              "utc": "2017-08-21T03:53:02Z",
              "ms": 1503287582044.9897
            }
          },
          "covered_min": 0,
          "window_min": 87,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 16:08 on Sat 19 Aug to 13:40 on Sun 20 Aug.",
          "fact": "2017-08-19T23:08:14Z → 2017-08-20T20:40:04Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:28–20:54 on the 19th, 19:26–20:53 on the 20th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 86 of 86 minutes on the 19th and 0 of 87 on the 20th.",
          "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 11957 s"
        },
        {
          "step": "ruling",
          "text": "Aghora Caturdaśī, Tijuana, 2017: Saturday 19 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": "2017-08-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Aghora Caturdaśī 2017 falls on Saturday 19 August. Caturdaśī runs from 16:08 on Sat 19 Aug to 13:40 on Sun 20 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/shivaratri?on=2017-08-19",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29960,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2017-08-19T16:08:14-07:00",
          "utc": "2017-08-19T23:08:14Z",
          "ms": 1503184094452.6033
        },
        "end": {
          "local": "2017-08-20T13:40:04-07:00",
          "utc": "2017-08-20T20:40:04Z",
          "ms": 1503261603504.048
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-19T16:08:14-07:00",
          "utc": "2017-08-19T23:08:14Z",
          "ms": 1503184094452.6033
        },
        "end": {
          "local": "2017-08-20T13:40:04-07:00",
          "utc": "2017-08-20T20:40:04Z",
          "ms": 1503261603504.048
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2017-08-19",
          "window": {
            "start": {
              "local": "2017-08-20T00:27:35-07:00",
              "utc": "2017-08-20T07:27:35Z",
              "ms": 1503214054734.4155
            },
            "end": {
              "local": "2017-08-20T01:15:35-07:00",
              "utc": "2017-08-20T08:15:35Z",
              "ms": 1503216934734.4155
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-08-20",
          "window": {
            "start": {
              "local": "2017-08-21T00:27:20-07:00",
              "utc": "2017-08-21T07:27:20Z",
              "ms": 1503300440278.3293
            },
            "end": {
              "local": "2017-08-21T01:15:20-07:00",
              "utc": "2017-08-21T08:15:20Z",
              "ms": 1503303320278.3293
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 16:08 on Sat 19 Aug to 13:40 on Sun 20 Aug.",
          "fact": "2017-08-19T23:08:14Z → 2017-08-20T20:40:04Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:28–01:16 on the 19th, 00:27–01:15 on the 20th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 29960 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Tijuana, 2017: Saturday 19 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": "2017-08-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śivarātri 2017 falls on Saturday 19 August. Caturdaśī runs from 16:08 on Sat 19 Aug to 13:40 on Sun 20 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/shivaratri?on=2017-08-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/rudra-vrata",
      "festival": "rudra-vrata",
      "name": "Rudra Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3395,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2017-08-21T11:30:10-07:00",
          "utc": "2017-08-21T18:30:10Z",
          "ms": 1503340210355.0076
        },
        "end": {
          "local": "2017-08-22T09:45:36-07:00",
          "utc": "2017-08-22T16:45:36Z",
          "ms": 1503420335614.5942
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-21T11:30:10-07:00",
          "utc": "2017-08-21T18:30:10Z",
          "ms": 1503340210355.0076
        },
        "end": {
          "local": "2017-08-22T09:45:36-07:00",
          "utc": "2017-08-22T16:45:36Z",
          "ms": 1503420335614.5942
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-08-21",
          "window": {
            "start": {
              "local": "2017-08-21T12:26:46-07:00",
              "utc": "2017-08-21T19:26:46Z",
              "ms": 1503343605664.957
            },
            "end": {
              "local": "2017-08-21T13:14:46-07:00",
              "utc": "2017-08-21T20:14:46Z",
              "ms": 1503346485664.957
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-08-22",
          "window": {
            "start": {
              "local": "2017-08-22T12:26:30-07:00",
              "utc": "2017-08-22T19:26:30Z",
              "ms": 1503429990359.0615
            },
            "end": {
              "local": "2017-08-22T13:14:30-07:00",
              "utc": "2017-08-22T20:14:30Z",
              "ms": 1503432870359.0615
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 11:30 on Mon 21 Aug to 09:46 on Tue 22 Aug.",
          "fact": "2017-08-21T18:30:10Z → 2017-08-22T16:45:36Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 21st, 12:27–13:15 on the 22nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 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: purvaviddha → only-day · margin 3395 s"
        },
        {
          "step": "ruling",
          "text": "Rudra Vrata, Tijuana, 2017: Monday 21 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": "2017-08-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-21",
          "confidence": "boundary"
        }
      ],
      "quote": "In Tijuana, Rudra Vrata 2017 falls on Monday 21 August. Pratipadā runs from 11:30 on Mon 21 Aug to 09:46 on Tue 22 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/haritalika-vrata",
      "festival": "haritalika-vrata",
      "name": "Haritālikā Vrata",
      "everyday": "Hartalika Teej",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14007,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2017-08-23T08:32:48-07:00",
          "utc": "2017-08-23T15:32:48Z",
          "ms": 1503502367557.4585
        },
        "end": {
          "local": "2017-08-24T07:57:05-07:00",
          "utc": "2017-08-24T14:57:05Z",
          "ms": 1503586624715.7444
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-23T08:32:48-07:00",
          "utc": "2017-08-23T15:32:48Z",
          "ms": 1503502367557.4585
        },
        "end": {
          "local": "2017-08-24T07:57:05-07:00",
          "utc": "2017-08-24T14:57:05Z",
          "ms": 1503586624715.7444
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-08-23",
          "window": {
            "start": {
              "local": "2017-08-23T12:26:15-07:00",
              "utc": "2017-08-23T19:26:15Z",
              "ms": 1503516374612.561
            },
            "end": {
              "local": "2017-08-23T13:14:15-07:00",
              "utc": "2017-08-23T20:14:15Z",
              "ms": 1503519254612.561
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-08-24",
          "window": {
            "start": {
              "local": "2017-08-24T12:25:58-07:00",
              "utc": "2017-08-24T19:25:58Z",
              "ms": 1503602758435.3535
            },
            "end": {
              "local": "2017-08-24T13:13:58-07:00",
              "utc": "2017-08-24T20:13:58Z",
              "ms": 1503605638435.3535
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 08:33 on Wed 23 Aug to 07:57 on Thu 24 Aug.",
          "fact": "2017-08-23T15:32:48Z → 2017-08-24T14:57:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 23rd, 12:26–13:14 on the 24th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 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: paraviddha → only-day · margin 14007 s"
        },
        {
          "step": "ruling",
          "text": "Haritālikā Vrata, Tijuana, 2017: Wednesday 23 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": "2017-08-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Haritālikā Vrata (Hartalika Teej) 2017 falls on Wednesday 23 August. Tṛtīyā runs from 08:33 on Wed 23 Aug to 07:57 on Thu 24 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ganesha-chaturthi",
      "festival": "ganesha-chaturthi",
      "name": "Gaṇeśa Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15832,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-08-24T07:57:05-07:00",
          "utc": "2017-08-24T14:57:05Z",
          "ms": 1503586624715.7444
        },
        "end": {
          "local": "2017-08-25T08:01:49-07:00",
          "utc": "2017-08-25T15:01:49Z",
          "ms": 1503673309459.641
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-24T07:57:05-07:00",
          "utc": "2017-08-24T14:57:05Z",
          "ms": 1503586624715.7444
        },
        "end": {
          "local": "2017-08-25T08:01:49-07:00",
          "utc": "2017-08-25T15:01:49Z",
          "ms": 1503673309459.641
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-08-24",
          "window": {
            "start": {
              "local": "2017-08-24T12:25:58-07:00",
              "utc": "2017-08-24T19:25:58Z",
              "ms": 1503602758435.3535
            },
            "end": {
              "local": "2017-08-24T13:13:58-07:00",
              "utc": "2017-08-24T20:13:58Z",
              "ms": 1503605638435.3535
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-08-25",
          "window": {
            "start": {
              "local": "2017-08-25T12:25:42-07:00",
              "utc": "2017-08-25T19:25:42Z",
              "ms": 1503689141838.5615
            },
            "end": {
              "local": "2017-08-25T13:13:42-07:00",
              "utc": "2017-08-25T20:13:42Z",
              "ms": 1503692021838.5615
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 07:57 on Thu 24 Aug to 08:02 on Fri 25 Aug.",
          "fact": "2017-08-24T14:57:05Z → 2017-08-25T15:01:49Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 24th, 12:26–13:14 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 15832 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Caturthī, Tijuana, 2017: Thursday 24 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": "2017-08-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Gaṇeśa Caturthī 2017 falls on Thursday 24 August. Caturthī runs from 07:57 on Thu 24 Aug to 08:02 on Fri 25 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/rishi-panchami",
      "festival": "rishi-panchami",
      "name": "Ṛṣi Pañcamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13068,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2017-08-25T08:01:49-07:00",
          "utc": "2017-08-25T15:01:49Z",
          "ms": 1503673309459.641
        },
        "end": {
          "local": "2017-08-26T08:47:37-07:00",
          "utc": "2017-08-26T15:47:37Z",
          "ms": 1503762457153.564
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-25T08:01:49-07:00",
          "utc": "2017-08-25T15:01:49Z",
          "ms": 1503673309459.641
        },
        "end": {
          "local": "2017-08-26T08:47:37-07:00",
          "utc": "2017-08-26T15:47:37Z",
          "ms": 1503762457153.564
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-08-25",
          "window": {
            "start": {
              "local": "2017-08-25T12:25:42-07:00",
              "utc": "2017-08-25T19:25:42Z",
              "ms": 1503689141838.5615
            },
            "end": {
              "local": "2017-08-25T13:13:42-07:00",
              "utc": "2017-08-25T20:13:42Z",
              "ms": 1503692021838.5615
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-08-26",
          "window": {
            "start": {
              "local": "2017-08-26T12:25:25-07:00",
              "utc": "2017-08-26T19:25:25Z",
              "ms": 1503775524834.5103
            },
            "end": {
              "local": "2017-08-26T13:13:25-07:00",
              "utc": "2017-08-26T20:13:25Z",
              "ms": 1503778404834.5103
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 08:02 on Fri 25 Aug to 08:48 on Sat 26 Aug.",
          "fact": "2017-08-25T15:01:49Z → 2017-08-26T15:47:37Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 25th, 12:25–13:13 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 13068 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Pañcamī, Tijuana, 2017: Friday 25 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": "2017-08-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Ṛṣi Pañcamī 2017 falls on Friday 25 August. Pañcamī runs from 08:02 on Fri 25 Aug to 08:48 on Sat 26 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/surya-shashthi-bhadrapada",
      "festival": "surya-shashthi-bhadrapada",
      "name": "Sūrya Ṣaṣṭhī (Bhādrapada)",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8016,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2017-08-26T08:47:37-07:00",
          "utc": "2017-08-26T15:47:37Z",
          "ms": 1503762457153.564
        },
        "end": {
          "local": "2017-08-27T10:11:32-07:00",
          "utc": "2017-08-27T17:11:32Z",
          "ms": 1503853891815.289
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-26T08:47:37-07:00",
          "utc": "2017-08-26T15:47:37Z",
          "ms": 1503762457153.564
        },
        "end": {
          "local": "2017-08-27T10:11:32-07:00",
          "utc": "2017-08-27T17:11:32Z",
          "ms": 1503853891815.289
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-08-26",
          "window": {
            "start": {
              "local": "2017-08-26T12:25:25-07:00",
              "utc": "2017-08-26T19:25:25Z",
              "ms": 1503775524834.5103
            },
            "end": {
              "local": "2017-08-26T13:13:25-07:00",
              "utc": "2017-08-26T20:13:25Z",
              "ms": 1503778404834.5103
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-08-27",
          "window": {
            "start": {
              "local": "2017-08-27T12:25:07-07:00",
              "utc": "2017-08-27T19:25:07Z",
              "ms": 1503861907436.6436
            },
            "end": {
              "local": "2017-08-27T13:13:07-07:00",
              "utc": "2017-08-27T20:13:07Z",
              "ms": 1503864787436.6436
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 08:48 on Sat 26 Aug to 10:12 on Sun 27 Aug.",
          "fact": "2017-08-26T15:47:37Z → 2017-08-27T17:11:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 26th, 12:25–13:13 on the 27th.",
          "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 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: paraviddha → only-day · margin 8016 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Tijuana, 2017: Saturday 26 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": "2017-08-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Sūrya Ṣaṣṭhī (Bhādrapada) 2017 falls on Saturday 26 August. Ṣaṣṭhī runs from 08:48 on Sat 26 Aug to 10:12 on Sun 27 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/muktabharana-vrata",
      "festival": "muktabharana-vrata",
      "name": "Muktābharaṇa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1085,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2017-08-27T10:11:32-07:00",
          "utc": "2017-08-27T17:11:32Z",
          "ms": 1503853891815.289
        },
        "end": {
          "local": "2017-08-28T12:06:45-07:00",
          "utc": "2017-08-28T19:06:45Z",
          "ms": 1503947205118.3074
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-27T10:11:32-07:00",
          "utc": "2017-08-27T17:11:32Z",
          "ms": 1503853891815.289
        },
        "end": {
          "local": "2017-08-28T12:06:45-07:00",
          "utc": "2017-08-28T19:06:45Z",
          "ms": 1503947205118.3074
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-08-27",
          "window": {
            "start": {
              "local": "2017-08-27T12:25:07-07:00",
              "utc": "2017-08-27T19:25:07Z",
              "ms": 1503861907436.6436
            },
            "end": {
              "local": "2017-08-27T13:13:07-07:00",
              "utc": "2017-08-27T20:13:07Z",
              "ms": 1503864787436.6436
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-08-28",
          "window": {
            "start": {
              "local": "2017-08-28T12:24:50-07:00",
              "utc": "2017-08-28T19:24:50Z",
              "ms": 1503948289659.419
            },
            "end": {
              "local": "2017-08-28T13:12:50-07:00",
              "utc": "2017-08-28T20:12:50Z",
              "ms": 1503951169659.419
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 10:12 on Sun 27 Aug to 12:07 on Mon 28 Aug.",
          "fact": "2017-08-27T17:11:32Z → 2017-08-28T19:06:45Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 27th, 12:25–13:13 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 1085 s"
        },
        {
          "step": "ruling",
          "text": "Muktābharaṇa Vrata, Tijuana, 2017: Sunday 27 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": "2017-08-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Muktābharaṇa Vrata 2017 falls on Sunday 27 August. Saptamī runs from 10:12 on Sun 27 Aug to 12:07 on Mon 28 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/radhashtami",
      "festival": "radhashtami",
      "name": "Rādhāṣṭamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-08-28",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1085,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2017-08-28T12:06:45-07:00",
          "utc": "2017-08-28T19:06:45Z",
          "ms": 1503947205118.3074
        },
        "end": {
          "local": "2017-08-29T14:22:56-07:00",
          "utc": "2017-08-29T21:22:56Z",
          "ms": 1504041776034.2026
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-28T12:06:45-07:00",
          "utc": "2017-08-28T19:06:45Z",
          "ms": 1503947205118.3074
        },
        "end": {
          "local": "2017-08-29T14:22:56-07:00",
          "utc": "2017-08-29T21:22:56Z",
          "ms": 1504041776034.2026
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-08-28",
          "window": {
            "start": {
              "local": "2017-08-28T12:24:50-07:00",
              "utc": "2017-08-28T19:24:50Z",
              "ms": 1503948289659.419
            },
            "end": {
              "local": "2017-08-28T13:12:50-07:00",
              "utc": "2017-08-28T20:12:50Z",
              "ms": 1503951169659.419
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-08-29",
          "window": {
            "start": {
              "local": "2017-08-29T12:24:32-07:00",
              "utc": "2017-08-29T19:24:32Z",
              "ms": 1504034671518.2095
            },
            "end": {
              "local": "2017-08-29T13:12:32-07:00",
              "utc": "2017-08-29T20:12:32Z",
              "ms": 1504037551518.2095
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 12:07 on Mon 28 Aug to 14:23 on Tue 29 Aug.",
          "fact": "2017-08-28T19:06:45Z → 2017-08-29T21:22:56Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 28th, 12:25–13:13 on the 29th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 48 of 48 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 1085 s"
        },
        {
          "step": "ruling",
          "text": "Rādhāṣṭamī, Tijuana, 2017: Monday 28 August.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "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": "2017-08-28",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-08-29",
          "confidence": "boundary"
        }
      ],
      "quote": "In Tijuana, Rādhāṣṭamī 2017 falls on Monday 28 August. Aṣṭamī runs from 12:07 on Mon 28 Aug to 14:23 on Tue 29 Aug and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ekadashi?on=2017-09-01",
      "festival": "ekadashi",
      "name": "Parivartanī Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-09-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33353,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-08-31T19:06:27-07:00",
          "utc": "2017-09-01T02:06:27Z",
          "ms": 1504231587045.0137
        },
        "end": {
          "local": "2017-09-01T21:08:09-07:00",
          "utc": "2017-09-02T04:08:09Z",
          "ms": 1504325288766.3267
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-08-31T19:06:27-07:00",
          "utc": "2017-09-01T02:06:27Z",
          "ms": 1504231587045.0137
        },
        "end": {
          "local": "2017-09-01T21:08:09-07:00",
          "utc": "2017-09-02T04:08:09Z",
          "ms": 1504325288766.3267
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-09-01",
          "window": {
            "start": {
              "local": "2017-09-01T06:23:24-07:00",
              "utc": "2017-09-01T13:23:24Z",
              "ms": 1504272204093.7244
            },
            "end": {
              "local": "2017-09-01T06:23:24-07:00",
              "utc": "2017-09-01T13:23:24Z",
              "ms": 1504272204093.7244
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-09-02",
          "window": {
            "start": {
              "local": "2017-09-02T06:24:02-07:00",
              "utc": "2017-09-02T13:24:02Z",
              "ms": 1504358642118.663
            },
            "end": {
              "local": "2017-09-02T06:24:02-07:00",
              "utc": "2017-09-02T13:24:02Z",
              "ms": 1504358642118.663
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 19:06 on Thu 31 Aug to 21:08 on Fri 1 Sep.",
          "fact": "2017-09-01T02:06:27Z → 2017-09-02T04:08:09Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:23 on the 1st and 06:24 on the 2nd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 1st and is not on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 33353 s"
        },
        {
          "step": "ruling",
          "text": "Parivartanī Ekādaśī, Tijuana, 2017: Friday 1 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": "2017-09-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-09-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Parivartanī Ekādaśī 2017 falls on Friday 1 September. Ekādaśī runs from 19:06 on Thu 31 Aug to 21:08 on Fri 1 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-09-01",
      "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/2017/vamana-jayanti",
      "festival": "vamana-jayanti",
      "name": "Vāmana Jayantī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-09-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28594,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2017-09-01T21:08:09-07:00",
          "utc": "2017-09-02T04:08:09Z",
          "ms": 1504325288766.3267
        },
        "end": {
          "local": "2017-09-02T22:42:55-07:00",
          "utc": "2017-09-03T05:42:55Z",
          "ms": 1504417374663.3164
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-09-01T21:08:09-07:00",
          "utc": "2017-09-02T04:08:09Z",
          "ms": 1504325288766.3267
        },
        "end": {
          "local": "2017-09-02T22:42:55-07:00",
          "utc": "2017-09-03T05:42:55Z",
          "ms": 1504417374663.3164
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-09-01",
          "window": {
            "start": {
              "local": "2017-09-01T12:23:35-07:00",
              "utc": "2017-09-01T19:23:35Z",
              "ms": 1504293815077.0044
            },
            "end": {
              "local": "2017-09-01T13:11:35-07:00",
              "utc": "2017-09-01T20:11:35Z",
              "ms": 1504296695077.0044
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-09-02",
          "window": {
            "start": {
              "local": "2017-09-02T12:23:16-07:00",
              "utc": "2017-09-02T19:23:16Z",
              "ms": 1504380195650.1333
            },
            "end": {
              "local": "2017-09-02T13:11:16-07:00",
              "utc": "2017-09-02T20:11:16Z",
              "ms": 1504383075650.1333
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 21:08 on Fri 1 Sep to 22:43 on Sat 2 Sep.",
          "fact": "2017-09-02T04:08:09Z → 2017-09-03T05:42:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 1st, 12:23–13:11 on the 2nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 28594 s"
        },
        {
          "step": "ruling",
          "text": "Vāmana Jayantī, Tijuana, 2017: Saturday 2 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vamana-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-09-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-09-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Vāmana Jayantī 2017 falls on Saturday 2 September. Dvādaśī runs from 21:08 on Fri 1 Sep to 22:43 on Sat 2 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/pradosha-vrata?on=2017-09-03",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-09-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7352,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-09-02T22:42:55-07:00",
          "utc": "2017-09-03T05:42:55Z",
          "ms": 1504417374663.3164
        },
        "end": {
          "local": "2017-09-03T23:44:45-07:00",
          "utc": "2017-09-04T06:44:45Z",
          "ms": 1504507485147.4875
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-09-02T22:42:55-07:00",
          "utc": "2017-09-03T05:42:55Z",
          "ms": 1504417374663.3164
        },
        "end": {
          "local": "2017-09-03T23:44:45-07:00",
          "utc": "2017-09-04T06:44:45Z",
          "ms": 1504507485147.4875
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-09-02",
          "window": {
            "start": {
              "local": "2017-09-02T19:10:29-07:00",
              "utc": "2017-09-03T02:10:29Z",
              "ms": 1504404629181.6035
            },
            "end": {
              "local": "2017-09-02T20:40:23-07:00",
              "utc": "2017-09-03T03:40:23Z",
              "ms": 1504410022630.6514
            }
          },
          "covered_min": 0,
          "window_min": 90,
          "qualifies": false
        },
        {
          "local_date": "2017-09-03",
          "window": {
            "start": {
              "local": "2017-09-03T19:09:12-07:00",
              "utc": "2017-09-04T02:09:12Z",
              "ms": 1504490951846.7456
            },
            "end": {
              "local": "2017-09-03T20:39:21-07:00",
              "utc": "2017-09-04T03:39:21Z",
              "ms": 1504496360653.3665
            }
          },
          "covered_min": 90,
          "window_min": 90,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 22:43 on Sat 2 Sep to 23:45 on Sun 3 Sep.",
          "fact": "2017-09-03T05:42:55Z → 2017-09-04T06:44:45Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:10–20:40 on the 2nd, 19:09–20:39 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 90 minutes on the 2nd and 90 of 90 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 7352 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Tijuana, 2017: Sunday 3 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": "2017-09-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-09-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śukla Pradoṣa Vrata 2017 falls on Sunday 3 September. Trayodaśī runs from 22:43 on Sat 2 Sep to 23:45 on Sun 3 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-09-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/ananta-chaturdashi",
      "festival": "ananta-chaturdashi",
      "name": "Ananta Caturdaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-09-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22484,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2017-09-03T23:44:45-07:00",
          "utc": "2017-09-04T06:44:45Z",
          "ms": 1504507485147.4875
        },
        "end": {
          "local": "2017-09-05T00:11:12-07:00",
          "utc": "2017-09-05T07:11:12Z",
          "ms": 1504595471909.2834
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-09-03T23:44:45-07:00",
          "utc": "2017-09-04T06:44:45Z",
          "ms": 1504507485147.4875
        },
        "end": {
          "local": "2017-09-05T00:11:12-07:00",
          "utc": "2017-09-05T07:11:12Z",
          "ms": 1504595471909.2834
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2017-09-04",
          "window": {
            "start": {
              "local": "2017-09-04T06:25:18-07:00",
              "utc": "2017-09-04T13:25:18Z",
              "ms": 1504531517896.4016
            },
            "end": {
              "local": "2017-09-04T08:57:49-07:00",
              "utc": "2017-09-04T15:57:49Z",
              "ms": 1504540669134.2498
            }
          },
          "covered_min": 153,
          "window_min": 153,
          "qualifies": true
        },
        {
          "local_date": "2017-09-05",
          "window": {
            "start": {
              "local": "2017-09-05T06:25:56-07:00",
              "utc": "2017-09-05T13:25:56Z",
              "ms": 1504617955671.0044
            },
            "end": {
              "local": "2017-09-05T08:58:04-07:00",
              "utc": "2017-09-05T15:58:04Z",
              "ms": 1504627083722.51
            }
          },
          "covered_min": 0,
          "window_min": 152,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 23:45 on Sun 3 Sep to 00:11 on Tue 5 Sep.",
          "fact": "2017-09-04T06:44:45Z → 2017-09-05T07:11:12Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:25–08:58 on the 4th, 06:26–08:58 on the 5th.",
          "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 153 of 153 minutes on the 4th and 0 of 152 on the 5th.",
          "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 22484 s"
        },
        {
          "step": "ruling",
          "text": "Ananta Caturdaśī, Tijuana, 2017: Monday 4 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": "2017-09-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-09-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Ananta Caturdaśī 2017 falls on Monday 4 September. Caturdaśī runs from 23:45 on Sun 3 Sep to 00:11 on Tue 5 Sep and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/sankashta-chaturthi?on=2017-09-08",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-09-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 740,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-09-08T20:43:13-07:00",
          "utc": "2017-09-09T03:43:13Z",
          "ms": 1504928593000.5295
        },
        "end": {
          "local": "2017-09-09T18:54:47-07:00",
          "utc": "2017-09-10T01:54:47Z",
          "ms": 1505008486689.158
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-09-08T20:43:13-07:00",
          "utc": "2017-09-09T03:43:13Z",
          "ms": 1504928593000.5295
        },
        "end": {
          "local": "2017-09-09T18:54:47-07:00",
          "utc": "2017-09-10T01:54:47Z",
          "ms": 1505008486689.158
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2017-09-08",
          "window": {
            "start": {
              "local": "2017-09-08T20:55:33-07:00",
              "utc": "2017-09-09T03:55:33Z",
              "ms": 1504929332979.6543
            },
            "end": {
              "local": "2017-09-08T20:55:33-07:00",
              "utc": "2017-09-09T03:55:33Z",
              "ms": 1504929332979.6543
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-09-09",
          "window": {
            "start": {
              "local": "2017-09-09T21:34:46-07:00",
              "utc": "2017-09-10T04:34:46Z",
              "ms": 1505018086440.9106
            },
            "end": {
              "local": "2017-09-09T21:34:46-07:00",
              "utc": "2017-09-10T04:34:46Z",
              "ms": 1505018086440.9106
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 20:43 on Fri 8 Sep to 18:55 on Sat 9 Sep.",
          "fact": "2017-09-09T03:43:13Z → 2017-09-10T01:54:47Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:56 on the 8th and 21:35 on the 9th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 8th and is not on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 740 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Tijuana, 2017: Friday 8 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": "2017-09-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-09-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Saṅkaṣṭa Caturthī 2017 falls on Friday 8 September. Caturthī runs from 20:43 on Fri 8 Sep to 18:55 on Sat 9 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/sankashta-chaturthi?on=2017-09-08",
      "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/2017/chandra-shashthi",
      "festival": "chandra-shashthi",
      "name": "Candra Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-09-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19380,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2017-09-10T16:53:50-07:00",
          "utc": "2017-09-10T23:53:50Z",
          "ms": 1505087630496.985
        },
        "end": {
          "local": "2017-09-11T14:44:56-07:00",
          "utc": "2017-09-11T21:44:56Z",
          "ms": 1505166295671.6062
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-09-10T16:53:50-07:00",
          "utc": "2017-09-10T23:53:50Z",
          "ms": 1505087630496.985
        },
        "end": {
          "local": "2017-09-11T14:44:56-07:00",
          "utc": "2017-09-11T21:44:56Z",
          "ms": 1505166295671.6062
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2017-09-10",
          "window": {
            "start": {
              "local": "2017-09-10T22:16:50-07:00",
              "utc": "2017-09-11T05:16:50Z",
              "ms": 1505107010405.7517
            },
            "end": {
              "local": "2017-09-10T22:16:50-07:00",
              "utc": "2017-09-11T05:16:50Z",
              "ms": 1505107010405.7517
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-09-11",
          "window": {
            "start": {
              "local": "2017-09-11T23:02:47-07:00",
              "utc": "2017-09-12T06:02:47Z",
              "ms": 1505196166700.2056
            },
            "end": {
              "local": "2017-09-11T23:02:47-07:00",
              "utc": "2017-09-12T06:02:47Z",
              "ms": 1505196166700.2056
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 16:54 on Sun 10 Sep to 14:45 on Mon 11 Sep.",
          "fact": "2017-09-10T23:53:50Z → 2017-09-11T21:44:56Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:17 on the 10th and 23:03 on the 11th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be current at moonrise. It is on the 10th and is not on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 19380 s"
        },
        {
          "step": "ruling",
          "text": "Candra Ṣaṣṭhī, Tijuana, 2017: Sunday 10 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": "2017-09-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-09-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Candra Ṣaṣṭhī 2017 falls on Sunday 10 September. Ṣaṣṭhī runs from 16:54 on Sun 10 Sep to 14:45 on Mon 11 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/jitashtami",
      "festival": "jitashtami",
      "name": "Jitāṣṭamī",
      "everyday": "Jitiya",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-09-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23123,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2017-09-12T12:31:57-07:00",
          "utc": "2017-09-12T19:31:57Z",
          "ms": 1505244717205.5725
        },
        "end": {
          "local": "2017-09-13T10:18:15-07:00",
          "utc": "2017-09-13T17:18:15Z",
          "ms": 1505323094961.0217
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-09-12T12:31:57-07:00",
          "utc": "2017-09-12T19:31:57Z",
          "ms": 1505244717205.5725
        },
        "end": {
          "local": "2017-09-13T10:18:15-07:00",
          "utc": "2017-09-13T17:18:15Z",
          "ms": 1505323094961.0217
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-09-12",
          "window": {
            "start": {
              "local": "2017-09-12T18:57:20-07:00",
              "utc": "2017-09-13T01:57:20Z",
              "ms": 1505267840299.1697
            },
            "end": {
              "local": "2017-09-12T20:29:49-07:00",
              "utc": "2017-09-13T03:29:49Z",
              "ms": 1505273389182.8206
            }
          },
          "covered_min": 92,
          "window_min": 92,
          "qualifies": true
        },
        {
          "local_date": "2017-09-13",
          "window": {
            "start": {
              "local": "2017-09-13T18:56:00-07:00",
              "utc": "2017-09-14T01:56:00Z",
              "ms": 1505354160065.011
            },
            "end": {
              "local": "2017-09-13T20:28:45-07:00",
              "utc": "2017-09-14T03:28:45Z",
              "ms": 1505359724679.7405
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 12:32 on Tue 12 Sep to 10:18 on Wed 13 Sep.",
          "fact": "2017-09-12T19:31:57Z → 2017-09-13T17:18:15Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:30 on the 12th, 18:56–20:29 on the 13th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during pradoṣa. It covers 92 of 92 minutes on the 12th and 0 of 93 on the 13th.",
          "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 23123 s"
        },
        {
          "step": "ruling",
          "text": "Jitāṣṭamī, Tijuana, 2017: Tuesday 12 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": "2017-09-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-09-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Jitāṣṭamī (Jitiya) 2017 falls on Tuesday 12 September. Aṣṭamī runs from 12:32 on Tue 12 Sep to 10:18 on Wed 13 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/mahalakshmi-vrata-samapana",
      "festival": "mahalakshmi-vrata-samapana",
      "name": "Mahālakṣmī Vrata Samāpana",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-09-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37495,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2017-09-12T12:31:57-07:00",
          "utc": "2017-09-12T19:31:57Z",
          "ms": 1505244717205.5725
        },
        "end": {
          "local": "2017-09-13T10:18:15-07:00",
          "utc": "2017-09-13T17:18:15Z",
          "ms": 1505323094961.0217
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-09-12T12:31:57-07:00",
          "utc": "2017-09-12T19:31:57Z",
          "ms": 1505244717205.5725
        },
        "end": {
          "local": "2017-09-13T10:18:15-07:00",
          "utc": "2017-09-13T17:18:15Z",
          "ms": 1505323094961.0217
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2017-09-11",
          "window": {
            "start": {
              "local": "2017-09-11T23:02:47-07:00",
              "utc": "2017-09-12T06:02:47Z",
              "ms": 1505196166700.2056
            },
            "end": {
              "local": "2017-09-11T23:02:47-07:00",
              "utc": "2017-09-12T06:02:47Z",
              "ms": 1505196166700.2056
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-09-12",
          "window": {
            "start": {
              "local": "2017-09-12T23:53:20-07:00",
              "utc": "2017-09-13T06:53:20Z",
              "ms": 1505285599616.315
            },
            "end": {
              "local": "2017-09-12T23:53:20-07:00",
              "utc": "2017-09-13T06:53:20Z",
              "ms": 1505285599616.315
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 12:32 on Tue 12 Sep to 10:18 on Wed 13 Sep.",
          "fact": "2017-09-12T19:31:57Z → 2017-09-13T17:18:15Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 23:03 on the 11th and 23:53 on the 12th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is not on the 11th and is on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 37495 s"
        },
        {
          "step": "ruling",
          "text": "Mahālakṣmī Vrata Samāpana, Tijuana, 2017: Tuesday 12 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": "2017-09-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-09-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Mahālakṣmī Vrata Samāpana 2017 falls on Tuesday 12 September. Aṣṭamī runs from 12:32 on Tue 12 Sep to 10:18 on Wed 13 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ekadashi?on=2017-09-15",
      "festival": "ekadashi",
      "name": "Indirā Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-09-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1933,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-09-15T06:00:00-07:00",
          "utc": "2017-09-15T13:00:00Z",
          "ms": 1505480399644.552
        },
        "end": {
          "local": "2017-09-16T04:00:52-07:00",
          "utc": "2017-09-16T11:00:52Z",
          "ms": 1505559652357.7722
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-09-15T06:00:00-07:00",
          "utc": "2017-09-15T13:00:00Z",
          "ms": 1505480399644.552
        },
        "end": {
          "local": "2017-09-16T04:00:52-07:00",
          "utc": "2017-09-16T11:00:52Z",
          "ms": 1505559652357.7722
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-09-15",
          "window": {
            "start": {
              "local": "2017-09-15T06:32:12-07:00",
              "utc": "2017-09-15T13:32:12Z",
              "ms": 1505482332485.5352
            },
            "end": {
              "local": "2017-09-15T06:32:12-07:00",
              "utc": "2017-09-15T13:32:12Z",
              "ms": 1505482332485.5352
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-09-16",
          "window": {
            "start": {
              "local": "2017-09-16T06:32:50-07:00",
              "utc": "2017-09-16T13:32:50Z",
              "ms": 1505568770365.3413
            },
            "end": {
              "local": "2017-09-16T06:32:50-07:00",
              "utc": "2017-09-16T13:32:50Z",
              "ms": 1505568770365.3413
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 06:00 on Fri 15 Sep to 04:01 on Sat 16 Sep.",
          "fact": "2017-09-15T13:00:00Z → 2017-09-16T11:00:52Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:32 on the 15th and 06:33 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 1933 s"
        },
        {
          "step": "ruling",
          "text": "Indirā Ekādaśī, Tijuana, 2017: Friday 15 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": "2017-09-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-09-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Indirā Ekādaśī 2017 falls on Friday 15 September. Ekādaśī runs from 06:00 on Fri 15 Sep to 04:01 on Sat 16 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-09-15",
      "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/2017/pradosha-vrata?on=2017-09-17",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-09-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15229,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-09-17T02:12:25-07:00",
          "utc": "2017-09-17T09:12:25Z",
          "ms": 1505639545492.069
        },
        "end": {
          "local": "2017-09-18T00:38:15-07:00",
          "utc": "2017-09-18T07:38:15Z",
          "ms": 1505720295354.01
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-09-17T02:12:25-07:00",
          "utc": "2017-09-17T09:12:25Z",
          "ms": 1505639545492.069
        },
        "end": {
          "local": "2017-09-18T00:38:15-07:00",
          "utc": "2017-09-18T07:38:15Z",
          "ms": 1505720295354.01
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-09-16",
          "window": {
            "start": {
              "local": "2017-09-16T18:51:59-07:00",
              "utc": "2017-09-17T01:51:59Z",
              "ms": 1505613118694.8882
            },
            "end": {
              "local": "2017-09-16T20:25:31-07:00",
              "utc": "2017-09-17T03:25:31Z",
              "ms": 1505618730645.3354
            }
          },
          "covered_min": 0,
          "window_min": 94,
          "qualifies": false
        },
        {
          "local_date": "2017-09-17",
          "window": {
            "start": {
              "local": "2017-09-17T18:50:38-07:00",
              "utc": "2017-09-18T01:50:38Z",
              "ms": 1505699438102.6516
            },
            "end": {
              "local": "2017-09-17T20:24:26-07:00",
              "utc": "2017-09-18T03:24:26Z",
              "ms": 1505705065871.2397
            }
          },
          "covered_min": 94,
          "window_min": 94,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 02:12 on Sun 17 Sep to 00:38 on Mon 18 Sep.",
          "fact": "2017-09-17T09:12:25Z → 2017-09-18T07:38:15Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:26 on the 16th, 18:51–20:24 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 94 minutes on the 16th and 94 of 94 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 15229 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 2017: Sunday 17 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": "2017-09-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-09-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 2017 falls on Sunday 17 September. Trayodaśī runs from 02:12 on Sun 17 Sep to 00:38 on Mon 18 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-09-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/shivaratri?on=2017-09-17",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-09-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1193,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2017-09-18T00:38:15-07:00",
          "utc": "2017-09-18T07:38:15Z",
          "ms": 1505720295354.01
        },
        "end": {
          "local": "2017-09-18T23:22:32-07:00",
          "utc": "2017-09-19T06:22:32Z",
          "ms": 1505802152134.5747
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-09-18T00:38:15-07:00",
          "utc": "2017-09-18T07:38:15Z",
          "ms": 1505720295354.01
        },
        "end": {
          "local": "2017-09-18T23:22:32-07:00",
          "utc": "2017-09-19T06:22:32Z",
          "ms": 1505802152134.5747
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2017-09-17",
          "window": {
            "start": {
              "local": "2017-09-18T00:18:22-07:00",
              "utc": "2017-09-18T07:18:22Z",
              "ms": 1505719102234.857
            },
            "end": {
              "local": "2017-09-18T01:06:22-07:00",
              "utc": "2017-09-18T08:06:22Z",
              "ms": 1505721982234.857
            }
          },
          "covered_min": 28,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-09-18",
          "window": {
            "start": {
              "local": "2017-09-19T00:18:01-07:00",
              "utc": "2017-09-19T07:18:01Z",
              "ms": 1505805480994.3188
            },
            "end": {
              "local": "2017-09-19T01:06:01-07:00",
              "utc": "2017-09-19T08:06:01Z",
              "ms": 1505808360994.3188
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 00:38 on Mon 18 Sep to 23:23 on Mon 18 Sep.",
          "fact": "2017-09-18T07:38:15Z → 2017-09-19T06:22:32Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:18–01:06 on the 17th, 00:18–01:06 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 28 of 48 minutes on the 17th and 0 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1193 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Tijuana, 2017: Sunday 17 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": "2017-09-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-09-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śivarātri 2017 falls on Sunday 17 September. Caturdaśī runs from 00:38 on Mon 18 Sep to 23:23 on Mon 18 Sep and covers 28 of 48 minutes of niśītha that night.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/shivaratri?on=2017-09-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/mahalaya-amavasya",
      "festival": "mahalaya-amavasya",
      "name": "Mahālaya Amāvāsyā",
      "everyday": "Sarvapitṛ Amāvāsyā",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-09-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22113,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2017-09-18T23:22:32-07:00",
          "utc": "2017-09-19T06:22:32Z",
          "ms": 1505802152134.5747
        },
        "end": {
          "local": "2017-09-19T22:29:52-07:00",
          "utc": "2017-09-20T05:29:52Z",
          "ms": 1505885391533.1282
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-09-18T23:22:32-07:00",
          "utc": "2017-09-19T06:22:32Z",
          "ms": 1505802152134.5747
        },
        "end": {
          "local": "2017-09-19T22:29:52-07:00",
          "utc": "2017-09-20T05:29:52Z",
          "ms": 1505885391533.1282
        }
      },
      "kaala": "aparahna",
      "days": [
        {
          "local_date": "2017-09-18",
          "window": {
            "start": {
              "local": "2017-09-18T13:55:13-07:00",
              "utc": "2017-09-18T20:55:13Z",
              "ms": 1505768113037.372
            },
            "end": {
              "local": "2017-09-18T16:22:15-07:00",
              "utc": "2017-09-18T23:22:15Z",
              "ms": 1505776935260.8088
            }
          },
          "covered_min": 0,
          "window_min": 147,
          "qualifies": false
        },
        {
          "local_date": "2017-09-19",
          "window": {
            "start": {
              "local": "2017-09-19T13:54:40-07:00",
              "utc": "2017-09-19T20:54:40Z",
              "ms": 1505854479920.2166
            },
            "end": {
              "local": "2017-09-19T16:21:18-07:00",
              "utc": "2017-09-19T23:21:18Z",
              "ms": 1505863278392.158
            }
          },
          "covered_min": 147,
          "window_min": 147,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 23:23 on Mon 18 Sep to 22:30 on Tue 19 Sep.",
          "fact": "2017-09-19T06:22:32Z → 2017-09-20T05:29:52Z"
        },
        {
          "step": "kaala",
          "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:55–16:22 on the 18th, 13:55–16:21 on the 19th.",
          "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 147 minutes on the 18th and 147 of 147 on the 19th.",
          "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 22113 s"
        },
        {
          "step": "ruling",
          "text": "Mahālaya Amāvāsyā, Tijuana, 2017: Tuesday 19 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": "2017-09-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-09-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Mahālaya Amāvāsyā 2017 falls on Tuesday 19 September. Amāvasyā runs from 23:23 on Mon 18 Sep to 22:30 on Tue 19 Sep and covers all of aparāhṇa that afternoon.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/navaratra-arambha",
      "festival": "navaratra-arambha",
      "name": "Navarātrārambha",
      "everyday": "Navratri",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-09-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32394,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2017-09-19T22:29:52-07:00",
          "utc": "2017-09-20T05:29:52Z",
          "ms": 1505885391533.1282
        },
        "end": {
          "local": "2017-09-20T22:04:53-07:00",
          "utc": "2017-09-21T05:04:53Z",
          "ms": 1505970293118.176
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-09-19T22:29:52-07:00",
          "utc": "2017-09-20T05:29:52Z",
          "ms": 1505885391533.1282
        },
        "end": {
          "local": "2017-09-20T22:04:53-07:00",
          "utc": "2017-09-21T05:04:53Z",
          "ms": 1505970293118.176
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-09-19",
          "window": {
            "start": {
              "local": "2017-09-19T12:17:21-07:00",
              "utc": "2017-09-19T19:17:21Z",
              "ms": 1505848640684.2456
            },
            "end": {
              "local": "2017-09-19T13:05:21-07:00",
              "utc": "2017-09-19T20:05:21Z",
              "ms": 1505851520684.2456
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-09-20",
          "window": {
            "start": {
              "local": "2017-09-20T12:17:00-07:00",
              "utc": "2017-09-20T19:17:00Z",
              "ms": 1505935019504.779
            },
            "end": {
              "local": "2017-09-20T13:05:00-07:00",
              "utc": "2017-09-20T20:05:00Z",
              "ms": 1505937899504.779
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 22:30 on Tue 19 Sep to 22:05 on Wed 20 Sep.",
          "fact": "2017-09-20T05:29:52Z → 2017-09-21T05:04:53Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 19th, 12:17–13:05 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 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 32394 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha, Tijuana, 2017: Wednesday 20 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": "2017-09-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-09-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Navarātrārambha (Navratri) 2017 falls on Wednesday 20 September. Pratipadā runs from 22:30 on Tue 19 Sep to 22:05 on Wed 20 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/vinayaka-chaturthi?on=2017-09-23",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-09-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35332,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-09-22T22:53:09-07:00",
          "utc": "2017-09-23T05:53:09Z",
          "ms": 1506145989418.719
        },
        "end": {
          "local": "2017-09-24T00:09:31-07:00",
          "utc": "2017-09-24T07:09:31Z",
          "ms": 1506236971401.2468
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-09-22T22:53:09-07:00",
          "utc": "2017-09-23T05:53:09Z",
          "ms": 1506145989418.719
        },
        "end": {
          "local": "2017-09-24T00:09:31-07:00",
          "utc": "2017-09-24T07:09:31Z",
          "ms": 1506236971401.2468
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-09-22",
          "window": {
            "start": {
              "local": "2017-09-22T12:16:17-07:00",
              "utc": "2017-09-22T19:16:17Z",
              "ms": 1506107777397.5015
            },
            "end": {
              "local": "2017-09-22T13:04:17-07:00",
              "utc": "2017-09-22T20:04:17Z",
              "ms": 1506110657397.5015
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-09-23",
          "window": {
            "start": {
              "local": "2017-09-23T12:15:57-07:00",
              "utc": "2017-09-23T19:15:57Z",
              "ms": 1506194156503.8594
            },
            "end": {
              "local": "2017-09-23T13:03:57-07:00",
              "utc": "2017-09-23T20:03:57Z",
              "ms": 1506197036503.8594
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:53 on Fri 22 Sep to 00:10 on Sun 24 Sep.",
          "fact": "2017-09-23T05:53:09Z → 2017-09-24T07:09:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 22nd, 12:16–13:04 on the 23rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 35332 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Tijuana, 2017: Saturday 23 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": "2017-09-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-09-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Vināyaka Caturthī 2017 falls on Saturday 23 September. Caturthī runs from 22:53 on Fri 22 Sep to 00:10 on Sun 24 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/vinayaka-chaturthi?on=2017-09-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/durga-saptami",
      "festival": "durga-saptami",
      "name": "Durgā Saptamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-09-26",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 72,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2017-09-26T04:11:13-07:00",
          "utc": "2017-09-26T11:11:13Z",
          "ms": 1506424272948.9946
        },
        "end": {
          "local": "2017-09-27T06:38:42-07:00",
          "utc": "2017-09-27T13:38:42Z",
          "ms": 1506519522299.3792
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-09-26T04:11:13-07:00",
          "utc": "2017-09-26T11:11:13Z",
          "ms": 1506424272948.9946
        },
        "end": {
          "local": "2017-09-27T06:38:42-07:00",
          "utc": "2017-09-27T13:38:42Z",
          "ms": 1506519522299.3792
        }
      },
      "kaala": "udaya-1",
      "days": [
        {
          "local_date": "2017-09-26",
          "window": {
            "start": {
              "local": "2017-09-26T06:39:15-07:00",
              "utc": "2017-09-26T13:39:15Z",
              "ms": 1506433154772.899
            },
            "end": {
              "local": "2017-09-26T07:27:12-07:00",
              "utc": "2017-09-26T14:27:12Z",
              "ms": 1506436032093.8513
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-09-27",
          "window": {
            "start": {
              "local": "2017-09-27T06:39:54-07:00",
              "utc": "2017-09-27T13:39:54Z",
              "ms": 1506519593967.9185
            },
            "end": {
              "local": "2017-09-27T07:27:43-07:00",
              "utc": "2017-09-27T14:27:43Z",
              "ms": 1506522463361.704
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 04:11 on Tue 26 Sep to 06:39 on Wed 27 Sep.",
          "fact": "2017-09-26T11:11:13Z → 2017-09-27T13:38:42Z"
        },
        {
          "step": "kaala",
          "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:39–07:27 on the 26th, 06:40–07:28 on the 27th.",
          "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 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 morning qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 72 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Saptamī, Tijuana, 2017: Tuesday 26 September.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "durga-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise"
          }
        ],
        "kaala": "udaya-1",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-09-26",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-09-26",
          "confidence": "boundary"
        }
      ],
      "quote": "In Tijuana, Durgā Saptamī 2017 falls on Tuesday 26 September. Saptamī runs from 04:11 on Tue 26 Sep to 06:39 on Wed 27 Sep and covers all of the first muhūrta after sunrise that morning. It is 1 min 12 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/mahashtami",
      "festival": "mahashtami",
      "name": "Mahāṣṭamī",
      "everyday": "Durga Ashtami",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-09-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11260,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2017-09-27T06:38:42-07:00",
          "utc": "2017-09-27T13:38:42Z",
          "ms": 1506519522299.3792
        },
        "end": {
          "local": "2017-09-28T09:06:35-07:00",
          "utc": "2017-09-28T16:06:35Z",
          "ms": 1506614794832.5608
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-09-27T06:38:42-07:00",
          "utc": "2017-09-27T13:38:42Z",
          "ms": 1506519522299.3792
        },
        "end": {
          "local": "2017-09-28T09:06:35-07:00",
          "utc": "2017-09-28T16:06:35Z",
          "ms": 1506614794832.5608
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-09-27",
          "window": {
            "start": {
              "local": "2017-09-27T12:14:34-07:00",
              "utc": "2017-09-27T19:14:34Z",
              "ms": 1506539674421.3115
            },
            "end": {
              "local": "2017-09-27T13:02:34-07:00",
              "utc": "2017-09-27T20:02:34Z",
              "ms": 1506542554421.3115
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-09-28",
          "window": {
            "start": {
              "local": "2017-09-28T12:14:14-07:00",
              "utc": "2017-09-28T19:14:14Z",
              "ms": 1506626054370.1494
            },
            "end": {
              "local": "2017-09-28T13:02:14-07:00",
              "utc": "2017-09-28T20:02:14Z",
              "ms": 1506628934370.1494
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 06:39 on Wed 27 Sep to 09:07 on Thu 28 Sep.",
          "fact": "2017-09-27T13:38:42Z → 2017-09-28T16:06:35Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 27th, 12:14–13:02 on the 28th.",
          "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 27th and 0 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 11260 s"
        },
        {
          "step": "ruling",
          "text": "Mahāṣṭamī, Tijuana, 2017: Wednesday 27 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": "2017-09-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-09-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Mahāṣṭamī (Durga Ashtami) 2017 falls on Wednesday 27 September. Aṣṭamī runs from 06:39 on Wed 27 Sep to 09:07 on Thu 28 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/mahanavami",
      "festival": "mahanavami",
      "name": "Mahānavamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-09-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3226,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2017-09-28T09:06:35-07:00",
          "utc": "2017-09-28T16:06:35Z",
          "ms": 1506614794832.5608
        },
        "end": {
          "local": "2017-09-29T11:20:09-07:00",
          "utc": "2017-09-29T18:20:09Z",
          "ms": 1506709208707.3809
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-09-28T09:06:35-07:00",
          "utc": "2017-09-28T16:06:35Z",
          "ms": 1506614794832.5608
        },
        "end": {
          "local": "2017-09-29T11:20:09-07:00",
          "utc": "2017-09-29T18:20:09Z",
          "ms": 1506709208707.3809
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-09-28",
          "window": {
            "start": {
              "local": "2017-09-28T12:14:14-07:00",
              "utc": "2017-09-28T19:14:14Z",
              "ms": 1506626054370.1494
            },
            "end": {
              "local": "2017-09-28T13:02:14-07:00",
              "utc": "2017-09-28T20:02:14Z",
              "ms": 1506628934370.1494
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-09-29",
          "window": {
            "start": {
              "local": "2017-09-29T12:13:55-07:00",
              "utc": "2017-09-29T19:13:55Z",
              "ms": 1506712434547.0051
            },
            "end": {
              "local": "2017-09-29T13:01:55-07:00",
              "utc": "2017-09-29T20:01:55Z",
              "ms": 1506715314547.0051
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 09:07 on Thu 28 Sep to 11:20 on Fri 29 Sep.",
          "fact": "2017-09-28T16:06:35Z → 2017-09-29T18:20:09Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 28th, 12:14–13:02 on the 29th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 3226 s"
        },
        {
          "step": "ruling",
          "text": "Mahānavamī, Tijuana, 2017: Thursday 28 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": "2017-09-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-09-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Mahānavamī 2017 falls on Thursday 28 September. Navamī runs from 09:07 on Thu 28 Sep to 11:20 on Fri 29 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/vijaya-dashami",
      "festival": "vijaya-dashami",
      "name": "Vijayā Daśamī",
      "everyday": "Dussehra",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-09-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3386,
      "anga": {
        "type": "tithi",
        "index": 9,
        "key": "dashami",
        "name": "Daśamī",
        "start": {
          "local": "2017-09-29T11:20:09-07:00",
          "utc": "2017-09-29T18:20:09Z",
          "ms": 1506709208707.3809
        },
        "end": {
          "local": "2017-09-30T13:06:03-07:00",
          "utc": "2017-09-30T20:06:03Z",
          "ms": 1506801962977.6455
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "conjunction",
        "start": {
          "local": "2017-09-30T05:45:27-07:00",
          "utc": "2017-09-30T12:45:27Z",
          "ms": 1506775526772.3193
        },
        "end": {
          "local": "2017-09-30T13:06:03-07:00",
          "utc": "2017-09-30T20:06:03Z",
          "ms": 1506801962977.6455
        },
        "nakshatra": {
          "type": "nakshatra",
          "index": 21,
          "key": "shravana",
          "name": "Śravaṇa",
          "start": {
            "local": "2017-09-30T05:45:27-07:00",
            "utc": "2017-09-30T12:45:27Z",
            "ms": 1506775526772.3193
          },
          "end": {
            "local": "2017-10-01T07:39:19-07:00",
            "utc": "2017-10-01T14:39:19Z",
            "ms": 1506868759329.7158
          }
        }
      },
      "kaala": "daytime",
      "days": [
        {
          "local_date": "2017-09-29",
          "window": {
            "start": {
              "local": "2017-09-29T06:41:13-07:00",
              "utc": "2017-09-29T13:41:13Z",
              "ms": 1506692472904.9028
            },
            "end": {
              "local": "2017-09-29T18:34:36-07:00",
              "utc": "2017-09-30T01:34:36Z",
              "ms": 1506735276189.1074
            }
          },
          "covered_min": 0,
          "window_min": 713,
          "qualifies": false
        },
        {
          "local_date": "2017-09-30",
          "window": {
            "start": {
              "local": "2017-09-30T06:41:53-07:00",
              "utc": "2017-09-30T13:41:53Z",
              "ms": 1506778912670.9644
            },
            "end": {
              "local": "2017-09-30T18:33:17-07:00",
              "utc": "2017-10-01T01:33:17Z",
              "ms": 1506821597274.6296
            }
          },
          "covered_min": 384,
          "window_min": 711,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Daśamī runs from 11:20 on Fri 29 Sep to 13:06 on Sat 30 Sep, and Śravaṇa from 05:45 on Sat 30 Sep to 07:39 on Sun 1 Oct. They are together from 05:45 on Sat 30 Sep to 13:06 on Sat 30 Sep.",
          "fact": "2017-09-30T12:45:27Z → 2017-09-30T20:06:03Z"
        },
        {
          "step": "kaala",
          "text": "The day time is sunrise to sunset: 06:41–18:35 on the 29th, 06:42–18:33 on the 30th.",
          "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 713 minutes on the 29th and 384 of 711 on the 30th.",
          "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 3386 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Daśamī, Tijuana, 2017: Saturday 30 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": "2017-09-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-09-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Vijayā Daśamī (Dussehra) 2017 falls on Saturday 30 September. Daśamī runs from 11:20 on Fri 29 Sep to 13:06 on Sat 30 Sep and is with Śravaṇa in the day time that day, for 384 minutes.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ekadashi?on=2017-10-01",
      "festival": "ekadashi",
      "name": "Pāśāṅkuśā Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23050,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-09-30T13:06:03-07:00",
          "utc": "2017-09-30T20:06:03Z",
          "ms": 1506801962977.6455
        },
        "end": {
          "local": "2017-10-01T14:14:15-07:00",
          "utc": "2017-10-01T21:14:15Z",
          "ms": 1506892454814.2043
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-09-30T13:06:03-07:00",
          "utc": "2017-09-30T20:06:03Z",
          "ms": 1506801962977.6455
        },
        "end": {
          "local": "2017-10-01T14:14:15-07:00",
          "utc": "2017-10-01T21:14:15Z",
          "ms": 1506892454814.2043
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-09-30",
          "window": {
            "start": {
              "local": "2017-09-30T06:41:53-07:00",
              "utc": "2017-09-30T13:41:53Z",
              "ms": 1506778912670.9644
            },
            "end": {
              "local": "2017-09-30T06:41:53-07:00",
              "utc": "2017-09-30T13:41:53Z",
              "ms": 1506778912670.9644
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-10-01",
          "window": {
            "start": {
              "local": "2017-10-01T06:42:33-07:00",
              "utc": "2017-10-01T13:42:33Z",
              "ms": 1506865352652.4333
            },
            "end": {
              "local": "2017-10-01T06:42:33-07:00",
              "utc": "2017-10-01T13:42:33Z",
              "ms": 1506865352652.4333
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 13:06 on Sat 30 Sep to 14:14 on Sun 1 Oct.",
          "fact": "2017-09-30T20:06:03Z → 2017-10-01T21:14:15Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:42 on the 30th and 06:43 on the 1st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 30th and is 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 23050 s"
        },
        {
          "step": "ruling",
          "text": "Pāśāṅkuśā Ekādaśī, Tijuana, 2017: Sunday 1 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": "2017-10-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Pāśāṅkuśā Ekādaśī 2017 falls on Sunday 1 October. Ekādaśī runs from 13:06 on Sat 30 Sep to 14:14 on Sun 1 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-10-01",
      "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/2017/pradosha-vrata?on=2017-10-02",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13896,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-10-02T14:39:05-07:00",
          "utc": "2017-10-02T21:39:05Z",
          "ms": 1506980344598.1208
        },
        "end": {
          "local": "2017-10-03T14:19:22-07:00",
          "utc": "2017-10-03T21:19:22Z",
          "ms": 1507065562428.594
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-02T14:39:05-07:00",
          "utc": "2017-10-02T21:39:05Z",
          "ms": 1506980344598.1208
        },
        "end": {
          "local": "2017-10-03T14:19:22-07:00",
          "utc": "2017-10-03T21:19:22Z",
          "ms": 1507065562428.594
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-10-02",
          "window": {
            "start": {
              "local": "2017-10-02T18:30:40-07:00",
              "utc": "2017-10-03T01:30:40Z",
              "ms": 1506994240453.198
            },
            "end": {
              "local": "2017-10-02T20:08:26-07:00",
              "utc": "2017-10-03T03:08:26Z",
              "ms": 1507000106168.1545
            }
          },
          "covered_min": 98,
          "window_min": 98,
          "qualifies": true
        },
        {
          "local_date": "2017-10-03",
          "window": {
            "start": {
              "local": "2017-10-03T18:29:23-07:00",
              "utc": "2017-10-04T01:29:23Z",
              "ms": 1507080562607.6868
            },
            "end": {
              "local": "2017-10-03T20:07:24-07:00",
              "utc": "2017-10-04T03:07:24Z",
              "ms": 1507086444130.0632
            }
          },
          "covered_min": 0,
          "window_min": 98,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 14:39 on Mon 2 Oct to 14:19 on Tue 3 Oct.",
          "fact": "2017-10-02T21:39:05Z → 2017-10-03T21:19:22Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–20:08 on the 2nd, 18:29–20:07 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 98 of 98 minutes on the 2nd and 0 of 98 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 13896 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Tijuana, 2017: Monday 2 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": "2017-10-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śukla Pradoṣa Vrata 2017 falls on Monday 2 October. Trayodaśī runs from 14:39 on Mon 2 Oct to 14:19 on Tue 3 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-10-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/karaka-chaturthi",
      "festival": "karaka-chaturthi",
      "name": "Karaka Caturthī",
      "everyday": "Karwa Chauth",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17240,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-10-08T04:28:22-07:00",
          "utc": "2017-10-08T11:28:22Z",
          "ms": 1507462101673.6128
        },
        "end": {
          "local": "2017-10-09T01:46:23-07:00",
          "utc": "2017-10-09T08:46:23Z",
          "ms": 1507538783358.164
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-08T04:28:22-07:00",
          "utc": "2017-10-08T11:28:22Z",
          "ms": 1507462101673.6128
        },
        "end": {
          "local": "2017-10-09T01:46:23-07:00",
          "utc": "2017-10-09T08:46:23Z",
          "ms": 1507538783358.164
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2017-10-07",
          "window": {
            "start": {
              "local": "2017-10-07T20:13:23-07:00",
              "utc": "2017-10-08T03:13:23Z",
              "ms": 1507432402772.6548
            },
            "end": {
              "local": "2017-10-07T20:13:23-07:00",
              "utc": "2017-10-08T03:13:23Z",
              "ms": 1507432402772.6548
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-10-08",
          "window": {
            "start": {
              "local": "2017-10-08T20:59:03-07:00",
              "utc": "2017-10-09T03:59:03Z",
              "ms": 1507521543417.7014
            },
            "end": {
              "local": "2017-10-08T20:59:03-07:00",
              "utc": "2017-10-09T03:59:03Z",
              "ms": 1507521543417.7014
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 04:28 on Sun 8 Oct to 01:46 on Mon 9 Oct.",
          "fact": "2017-10-08T11:28:22Z → 2017-10-09T08:46:23Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:13 on the 7th and 20:59 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 17240 s"
        },
        {
          "step": "ruling",
          "text": "Karaka Caturthī, Tijuana, 2017: Sunday 8 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": "2017-10-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Karaka Caturthī (Karwa Chauth) 2017 falls on Sunday 8 October. Caturthī runs from 04:28 on Sun 8 Oct to 01:46 on Mon 9 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/sankashta-chaturthi?on=2017-10-08",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17240,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-10-08T04:28:22-07:00",
          "utc": "2017-10-08T11:28:22Z",
          "ms": 1507462101673.6128
        },
        "end": {
          "local": "2017-10-09T01:46:23-07:00",
          "utc": "2017-10-09T08:46:23Z",
          "ms": 1507538783358.164
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-08T04:28:22-07:00",
          "utc": "2017-10-08T11:28:22Z",
          "ms": 1507462101673.6128
        },
        "end": {
          "local": "2017-10-09T01:46:23-07:00",
          "utc": "2017-10-09T08:46:23Z",
          "ms": 1507538783358.164
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2017-10-07",
          "window": {
            "start": {
              "local": "2017-10-07T20:13:23-07:00",
              "utc": "2017-10-08T03:13:23Z",
              "ms": 1507432402772.6548
            },
            "end": {
              "local": "2017-10-07T20:13:23-07:00",
              "utc": "2017-10-08T03:13:23Z",
              "ms": 1507432402772.6548
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-10-08",
          "window": {
            "start": {
              "local": "2017-10-08T20:59:03-07:00",
              "utc": "2017-10-09T03:59:03Z",
              "ms": 1507521543417.7014
            },
            "end": {
              "local": "2017-10-08T20:59:03-07:00",
              "utc": "2017-10-09T03:59:03Z",
              "ms": 1507521543417.7014
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 04:28 on Sun 8 Oct to 01:46 on Mon 9 Oct.",
          "fact": "2017-10-08T11:28:22Z → 2017-10-09T08:46:23Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:13 on the 7th and 20:59 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 17240 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Tijuana, 2017: Sunday 8 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": "2017-10-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Saṅkaṣṭa Caturthī 2017 falls on Sunday 8 October. Caturthī runs from 04:28 on Sun 8 Oct to 01:46 on Mon 9 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/sankashta-chaturthi?on=2017-10-08",
      "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/2017/ahoyi-ashtami",
      "festival": "ahoyi-ashtami",
      "name": "Ahoyī Aṣṭamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18974,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2017-10-11T18:26:00-07:00",
          "utc": "2017-10-12T01:26:00Z",
          "ms": 1507771560056.1929
        },
        "end": {
          "local": "2017-10-12T16:29:26-07:00",
          "utc": "2017-10-12T23:29:26Z",
          "ms": 1507850966346.8762
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-11T18:26:00-07:00",
          "utc": "2017-10-12T01:26:00Z",
          "ms": 1507771560056.1929
        },
        "end": {
          "local": "2017-10-12T16:29:26-07:00",
          "utc": "2017-10-12T23:29:26Z",
          "ms": 1507850966346.8762
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2017-10-11",
          "window": {
            "start": {
              "local": "2017-10-11T23:42:14-07:00",
              "utc": "2017-10-12T06:42:14Z",
              "ms": 1507790533827.695
            },
            "end": {
              "local": "2017-10-11T23:42:14-07:00",
              "utc": "2017-10-12T06:42:14Z",
              "ms": 1507790533827.695
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-10-12",
          "window": {
            "start": {
              "local": "2017-10-13T00:43:23-07:00",
              "utc": "2017-10-13T07:43:23Z",
              "ms": 1507880602698.4407
            },
            "end": {
              "local": "2017-10-13T00:43:23-07:00",
              "utc": "2017-10-13T07:43:23Z",
              "ms": 1507880602698.4407
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 18:26 on Wed 11 Oct to 16:29 on Thu 12 Oct.",
          "fact": "2017-10-12T01:26:00Z → 2017-10-12T23:29:26Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 23:42 on the 11th and 00:43 on the 12th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 18974 s"
        },
        {
          "step": "ruling",
          "text": "Ahoyī Aṣṭamī, Tijuana, 2017: Wednesday 11 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": "2017-10-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Ahoyī Aṣṭamī 2017 falls on Wednesday 11 October. Aṣṭamī runs from 18:26 on Wed 11 Oct to 16:29 on Thu 12 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ekadashi?on=2017-10-15",
      "festival": "ekadashi",
      "name": "Ramā Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20576,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-10-14T13:33:45-07:00",
          "utc": "2017-10-14T20:33:45Z",
          "ms": 1508013224739.9536
        },
        "end": {
          "local": "2017-10-15T12:35:19-07:00",
          "utc": "2017-10-15T19:35:19Z",
          "ms": 1508096119181.749
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-14T13:33:45-07:00",
          "utc": "2017-10-14T20:33:45Z",
          "ms": 1508013224739.9536
        },
        "end": {
          "local": "2017-10-15T12:35:19-07:00",
          "utc": "2017-10-15T19:35:19Z",
          "ms": 1508096119181.749
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-10-14",
          "window": {
            "start": {
              "local": "2017-10-14T06:51:39-07:00",
              "utc": "2017-10-14T13:51:39Z",
              "ms": 1507989098583.5193
            },
            "end": {
              "local": "2017-10-14T06:51:39-07:00",
              "utc": "2017-10-14T13:51:39Z",
              "ms": 1507989098583.5193
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-10-15",
          "window": {
            "start": {
              "local": "2017-10-15T06:52:23-07:00",
              "utc": "2017-10-15T13:52:23Z",
              "ms": 1508075543040.8203
            },
            "end": {
              "local": "2017-10-15T06:52:23-07:00",
              "utc": "2017-10-15T13:52:23Z",
              "ms": 1508075543040.8203
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 13:34 on Sat 14 Oct to 12:35 on Sun 15 Oct.",
          "fact": "2017-10-14T20:33:45Z → 2017-10-15T19:35:19Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:52 on the 14th and 06:52 on the 15th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 14th and is on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 20576 s"
        },
        {
          "step": "ruling",
          "text": "Ramā Ekādaśī, Tijuana, 2017: Sunday 15 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": "2017-10-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Ramā Ekādaśī 2017 falls on Sunday 15 October. Ekādaśī runs from 13:34 on Sat 14 Oct to 12:35 on Sun 15 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-10-15",
      "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/2017/govatsa-dvadashi",
      "festival": "govatsa-dvadashi",
      "name": "Govatsa Dvādaśī",
      "everyday": "Vasu Baras",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20351,
      "anga": {
        "type": "tithi",
        "index": 26,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2017-10-15T12:35:19-07:00",
          "utc": "2017-10-15T19:35:19Z",
          "ms": 1508096119181.749
        },
        "end": {
          "local": "2017-10-16T11:56:47-07:00",
          "utc": "2017-10-16T18:56:47Z",
          "ms": 1508180206979.0957
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-15T12:35:19-07:00",
          "utc": "2017-10-15T19:35:19Z",
          "ms": 1508096119181.749
        },
        "end": {
          "local": "2017-10-16T11:56:47-07:00",
          "utc": "2017-10-16T18:56:47Z",
          "ms": 1508180206979.0957
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-10-15",
          "window": {
            "start": {
              "local": "2017-10-15T18:14:30-07:00",
              "utc": "2017-10-16T01:14:30Z",
              "ms": 1508116470292.715
            },
            "end": {
              "local": "2017-10-15T19:55:39-07:00",
              "utc": "2017-10-16T02:55:39Z",
              "ms": 1508122539305.3047
            }
          },
          "covered_min": 101,
          "window_min": 101,
          "qualifies": true
        },
        {
          "local_date": "2017-10-16",
          "window": {
            "start": {
              "local": "2017-10-16T18:13:20-07:00",
              "utc": "2017-10-17T01:13:20Z",
              "ms": 1508202800358.727
            },
            "end": {
              "local": "2017-10-16T19:54:45-07:00",
              "utc": "2017-10-17T02:54:45Z",
              "ms": 1508208884727.393
            }
          },
          "covered_min": 0,
          "window_min": 101,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 12:35 on Sun 15 Oct to 11:57 on Mon 16 Oct.",
          "fact": "2017-10-15T19:35:19Z → 2017-10-16T18:56:47Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–19:56 on the 15th, 18:13–19:55 on the 16th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during pradoṣa. It covers 101 of 101 minutes on the 15th and 0 of 101 on the 16th.",
          "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 20351 s"
        },
        {
          "step": "ruling",
          "text": "Govatsa Dvādaśī, Tijuana, 2017: Sunday 15 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": "2017-10-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Govatsa Dvādaśī (Vasu Baras) 2017 falls on Sunday 15 October. Dvādaśī runs from 12:35 on Sun 15 Oct to 11:57 on Mon 16 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/yama-dipadana",
      "festival": "yama-dipadana",
      "name": "Yama Dīpadāna",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22593,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-10-16T11:56:47-07:00",
          "utc": "2017-10-16T18:56:47Z",
          "ms": 1508180206979.0957
        },
        "end": {
          "local": "2017-10-17T11:38:56-07:00",
          "utc": "2017-10-17T18:38:56Z",
          "ms": 1508265535834.7302
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-16T11:56:47-07:00",
          "utc": "2017-10-16T18:56:47Z",
          "ms": 1508180206979.0957
        },
        "end": {
          "local": "2017-10-17T11:38:56-07:00",
          "utc": "2017-10-17T18:38:56Z",
          "ms": 1508265535834.7302
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-10-16",
          "window": {
            "start": {
              "local": "2017-10-16T18:13:20-07:00",
              "utc": "2017-10-17T01:13:20Z",
              "ms": 1508202800358.727
            },
            "end": {
              "local": "2017-10-16T19:54:45-07:00",
              "utc": "2017-10-17T02:54:45Z",
              "ms": 1508208884727.393
            }
          },
          "covered_min": 101,
          "window_min": 101,
          "qualifies": true
        },
        {
          "local_date": "2017-10-17",
          "window": {
            "start": {
              "local": "2017-10-17T18:12:11-07:00",
              "utc": "2017-10-18T01:12:11Z",
              "ms": 1508289131240.0627
            },
            "end": {
              "local": "2017-10-17T19:53:51-07:00",
              "utc": "2017-10-18T02:53:51Z",
              "ms": 1508295230908.1475
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 11:57 on Mon 16 Oct to 11:39 on Tue 17 Oct.",
          "fact": "2017-10-16T18:56:47Z → 2017-10-17T18:38:56Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:55 on the 16th, 18:12–19:54 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 101 of 101 minutes on the 16th and 0 of 102 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 22593 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dīpadāna, Tijuana, 2017: Monday 16 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": "2017-10-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Yama Dīpadāna 2017 falls on Monday 16 October. Trayodaśī runs from 11:57 on Mon 16 Oct to 11:39 on Tue 17 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/pradosha-vrata?on=2017-10-16",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22593,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-10-16T11:56:47-07:00",
          "utc": "2017-10-16T18:56:47Z",
          "ms": 1508180206979.0957
        },
        "end": {
          "local": "2017-10-17T11:38:56-07:00",
          "utc": "2017-10-17T18:38:56Z",
          "ms": 1508265535834.7302
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-16T11:56:47-07:00",
          "utc": "2017-10-16T18:56:47Z",
          "ms": 1508180206979.0957
        },
        "end": {
          "local": "2017-10-17T11:38:56-07:00",
          "utc": "2017-10-17T18:38:56Z",
          "ms": 1508265535834.7302
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-10-16",
          "window": {
            "start": {
              "local": "2017-10-16T18:13:20-07:00",
              "utc": "2017-10-17T01:13:20Z",
              "ms": 1508202800358.727
            },
            "end": {
              "local": "2017-10-16T19:54:45-07:00",
              "utc": "2017-10-17T02:54:45Z",
              "ms": 1508208884727.393
            }
          },
          "covered_min": 101,
          "window_min": 101,
          "qualifies": true
        },
        {
          "local_date": "2017-10-17",
          "window": {
            "start": {
              "local": "2017-10-17T18:12:11-07:00",
              "utc": "2017-10-18T01:12:11Z",
              "ms": 1508289131240.0627
            },
            "end": {
              "local": "2017-10-17T19:53:51-07:00",
              "utc": "2017-10-18T02:53:51Z",
              "ms": 1508295230908.1475
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 11:57 on Mon 16 Oct to 11:39 on Tue 17 Oct.",
          "fact": "2017-10-16T18:56:47Z → 2017-10-17T18:38:56Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:55 on the 16th, 18:12–19:54 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 101 of 101 minutes on the 16th and 0 of 102 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 22593 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 2017: Monday 16 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": "2017-10-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 2017 falls on Monday 16 October. Trayodaśī runs from 11:57 on Mon 16 Oct to 11:39 on Tue 17 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-10-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/shivaratri?on=2017-10-17",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38479,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2017-10-17T11:38:56-07:00",
          "utc": "2017-10-17T18:38:56Z",
          "ms": 1508265535834.7302
        },
        "end": {
          "local": "2017-10-18T11:43:18-07:00",
          "utc": "2017-10-18T18:43:18Z",
          "ms": 1508352198353.612
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-17T11:38:56-07:00",
          "utc": "2017-10-17T18:38:56Z",
          "ms": 1508265535834.7302
        },
        "end": {
          "local": "2017-10-18T11:43:18-07:00",
          "utc": "2017-10-18T18:43:18Z",
          "ms": 1508352198353.612
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2017-10-16",
          "window": {
            "start": {
              "local": "2017-10-17T00:09:37-07:00",
              "utc": "2017-10-17T07:09:37Z",
              "ms": 1508224176741.2246
            },
            "end": {
              "local": "2017-10-17T00:57:37-07:00",
              "utc": "2017-10-17T07:57:37Z",
              "ms": 1508227056741.2246
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-10-17",
          "window": {
            "start": {
              "local": "2017-10-18T00:09:25-07:00",
              "utc": "2017-10-18T07:09:25Z",
              "ms": 1508310564995.3804
            },
            "end": {
              "local": "2017-10-18T00:57:25-07:00",
              "utc": "2017-10-18T07:57:25Z",
              "ms": 1508313444995.3804
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 11:39 on Tue 17 Oct to 11:43 on Wed 18 Oct.",
          "fact": "2017-10-17T18:38:56Z → 2017-10-18T18:43:18Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:10–00:58 on the 16th, 00:09–00:57 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 38479 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Tijuana, 2017: Tuesday 17 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": "2017-10-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śivarātri 2017 falls on Tuesday 17 October. Caturdaśī runs from 11:39 on Tue 17 Oct to 11:43 on Wed 18 Oct and covers all of niśītha that night.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/shivaratri?on=2017-10-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/naraka-chaturdashi",
      "festival": "naraka-chaturdashi",
      "name": "Naraka Caturdaśī",
      "everyday": "Choti Diwali",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17103,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2017-10-17T11:38:56-07:00",
          "utc": "2017-10-17T18:38:56Z",
          "ms": 1508265535834.7302
        },
        "end": {
          "local": "2017-10-18T11:43:18-07:00",
          "utc": "2017-10-18T18:43:18Z",
          "ms": 1508352198353.612
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-17T11:38:56-07:00",
          "utc": "2017-10-17T18:38:56Z",
          "ms": 1508265535834.7302
        },
        "end": {
          "local": "2017-10-18T11:43:18-07:00",
          "utc": "2017-10-18T18:43:18Z",
          "ms": 1508352198353.612
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2017-10-17",
          "window": {
            "start": {
              "local": "2017-10-17T05:12:29-07:00",
              "utc": "2017-10-17T12:12:29Z",
              "ms": 1508242348755.0562
            },
            "end": {
              "local": "2017-10-17T06:53:53-07:00",
              "utc": "2017-10-17T13:53:53Z",
              "ms": 1508248433123.7222
            }
          },
          "covered_min": 0,
          "window_min": 101,
          "qualifies": false
        },
        {
          "local_date": "2017-10-18",
          "window": {
            "start": {
              "local": "2017-10-18T05:12:59-07:00",
              "utc": "2017-10-18T12:12:59Z",
              "ms": 1508328779082.6133
            },
            "end": {
              "local": "2017-10-18T06:54:39-07:00",
              "utc": "2017-10-18T13:54:39Z",
              "ms": 1508334878750.698
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 11:39 on Tue 17 Oct to 11:43 on Wed 18 Oct.",
          "fact": "2017-10-17T18:38:56Z → 2017-10-18T18:43:18Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:12–06:54 on the 17th, 05:13–06:55 on the 18th.",
          "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 17th and 102 of 102 on the 18th.",
          "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 17103 s"
        },
        {
          "step": "ruling",
          "text": "Naraka Caturdaśī, Tijuana, 2017: Wednesday 18 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": "2017-10-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Naraka Caturdaśī (Choti Diwali) 2017 falls on Wednesday 18 October. Caturdaśī runs from 11:39 on Tue 17 Oct to 11:43 on Wed 18 Oct and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/diwali-lakshmi-puja",
      "festival": "diwali-lakshmi-puja",
      "name": "Lakṣmī Pūjā",
      "everyday": "Diwali",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21473,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2017-10-18T11:43:18-07:00",
          "utc": "2017-10-18T18:43:18Z",
          "ms": 1508352198353.612
        },
        "end": {
          "local": "2017-10-19T12:12:03-07:00",
          "utc": "2017-10-19T19:12:03Z",
          "ms": 1508440322704.6716
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-18T11:43:18-07:00",
          "utc": "2017-10-18T18:43:18Z",
          "ms": 1508352198353.612
        },
        "end": {
          "local": "2017-10-19T12:12:03-07:00",
          "utc": "2017-10-19T19:12:03Z",
          "ms": 1508440322704.6716
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-10-18",
          "window": {
            "start": {
              "local": "2017-10-18T18:11:03-07:00",
              "utc": "2017-10-19T01:11:03Z",
              "ms": 1508375462963.6582
            },
            "end": {
              "local": "2017-10-18T19:52:58-07:00",
              "utc": "2017-10-19T02:52:58Z",
              "ms": 1508381577870.7974
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        },
        {
          "local_date": "2017-10-19",
          "window": {
            "start": {
              "local": "2017-10-19T18:09:56-07:00",
              "utc": "2017-10-20T01:09:56Z",
              "ms": 1508461795556.4043
            },
            "end": {
              "local": "2017-10-19T19:52:06-07:00",
              "utc": "2017-10-20T02:52:06Z",
              "ms": 1508467925638.4197
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 11:43 on Wed 18 Oct to 12:12 on Thu 19 Oct.",
          "fact": "2017-10-18T18:43:18Z → 2017-10-19T19:12:03Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:53 on the 18th, 18:10–19:52 on the 19th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during pradoṣa. It covers 102 of 102 minutes on the 18th and 0 of 102 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 21473 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pūjā, Tijuana, 2017: Wednesday 18 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": "2017-10-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Lakṣmī Pūjā (Diwali) 2017 falls on Wednesday 18 October. Amāvasyā runs from 11:43 on Wed 18 Oct to 12:12 on Thu 19 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/kali-puja",
      "festival": "kali-puja",
      "name": "Kālī Pūjā",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38753,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2017-10-18T11:43:18-07:00",
          "utc": "2017-10-18T18:43:18Z",
          "ms": 1508352198353.612
        },
        "end": {
          "local": "2017-10-19T12:12:03-07:00",
          "utc": "2017-10-19T19:12:03Z",
          "ms": 1508440322704.6716
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-18T11:43:18-07:00",
          "utc": "2017-10-18T18:43:18Z",
          "ms": 1508352198353.612
        },
        "end": {
          "local": "2017-10-19T12:12:03-07:00",
          "utc": "2017-10-19T19:12:03Z",
          "ms": 1508440322704.6716
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2017-10-17",
          "window": {
            "start": {
              "local": "2017-10-18T00:09:25-07:00",
              "utc": "2017-10-18T07:09:25Z",
              "ms": 1508310564995.3804
            },
            "end": {
              "local": "2017-10-18T00:57:25-07:00",
              "utc": "2017-10-18T07:57:25Z",
              "ms": 1508313444995.3804
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-10-18",
          "window": {
            "start": {
              "local": "2017-10-19T00:09:14-07:00",
              "utc": "2017-10-19T07:09:14Z",
              "ms": 1508396953865.43
            },
            "end": {
              "local": "2017-10-19T00:57:14-07:00",
              "utc": "2017-10-19T07:57:14Z",
              "ms": 1508399833865.43
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 11:43 on Wed 18 Oct to 12:12 on Thu 19 Oct.",
          "fact": "2017-10-18T18:43:18Z → 2017-10-19T19:12:03Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 17th, 00:09–00:57 on the 18th.",
          "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 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 night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 38753 s"
        },
        {
          "step": "ruling",
          "text": "Kālī Pūjā, Tijuana, 2017: Wednesday 18 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": "2017-10-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Kālī Pūjā 2017 falls on Wednesday 18 October. Amāvasyā runs from 11:43 on Wed 18 Oct to 12:12 on Thu 19 Oct and covers all of niśītha that night.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/govardhana-puja",
      "festival": "govardhana-puja",
      "name": "Govardhana Pūjā",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-19",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 203,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2017-10-19T12:12:03-07:00",
          "utc": "2017-10-19T19:12:03Z",
          "ms": 1508440322704.6716
        },
        "end": {
          "local": "2017-10-20T13:07:21-07:00",
          "utc": "2017-10-20T20:07:21Z",
          "ms": 1508530041260.3657
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-19T12:12:03-07:00",
          "utc": "2017-10-19T19:12:03Z",
          "ms": 1508440322704.6716
        },
        "end": {
          "local": "2017-10-20T13:07:21-07:00",
          "utc": "2017-10-20T20:07:21Z",
          "ms": 1508530041260.3657
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-10-19",
          "window": {
            "start": {
              "local": "2017-10-19T12:08:40-07:00",
              "utc": "2017-10-19T19:08:40Z",
              "ms": 1508440120161.803
            },
            "end": {
              "local": "2017-10-19T12:56:40-07:00",
              "utc": "2017-10-19T19:56:40Z",
              "ms": 1508443000161.803
            }
          },
          "covered_min": 45,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-10-20",
          "window": {
            "start": {
              "local": "2017-10-20T12:08:30-07:00",
              "utc": "2017-10-20T19:08:30Z",
              "ms": 1508526510108.4211
            },
            "end": {
              "local": "2017-10-20T12:56:30-07:00",
              "utc": "2017-10-20T19:56:30Z",
              "ms": 1508529390108.4211
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "purvaviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 12:12 on Thu 19 Oct to 13:07 on Fri 20 Oct.",
          "fact": "2017-10-19T19:12:03Z → 2017-10-20T20:07:21Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 19th, 12:09–12:57 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 45 of 48 minutes on the 19th and 48 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Pūrvaviddhā: the first is taken.",
          "fact": "priority: purvaviddha → purvaviddha · margin 203 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Govardhana Pūjā, Tijuana, 2017: Thursday 19 October.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2017-10-19",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Govardhana Pūjā 2017 falls on Thursday 19 October. Pratipadā runs from 12:12 on Thu 19 Oct to 13:07 on Fri 20 Oct and covers 45 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken. It is 3 min 23 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/bali-puja",
      "festival": "bali-puja",
      "name": "Bali Pūjā",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18088,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2017-10-19T12:12:03-07:00",
          "utc": "2017-10-19T19:12:03Z",
          "ms": 1508440322704.6716
        },
        "end": {
          "local": "2017-10-20T13:07:21-07:00",
          "utc": "2017-10-20T20:07:21Z",
          "ms": 1508530041260.3657
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-19T12:12:03-07:00",
          "utc": "2017-10-19T19:12:03Z",
          "ms": 1508440322704.6716
        },
        "end": {
          "local": "2017-10-20T13:07:21-07:00",
          "utc": "2017-10-20T20:07:21Z",
          "ms": 1508530041260.3657
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-10-19",
          "window": {
            "start": {
              "local": "2017-10-19T18:09:56-07:00",
              "utc": "2017-10-20T01:09:56Z",
              "ms": 1508461795556.4043
            },
            "end": {
              "local": "2017-10-19T19:52:06-07:00",
              "utc": "2017-10-20T02:52:06Z",
              "ms": 1508467925638.4197
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        },
        {
          "local_date": "2017-10-20",
          "window": {
            "start": {
              "local": "2017-10-20T18:08:49-07:00",
              "utc": "2017-10-21T01:08:49Z",
              "ms": 1508548129045.3225
            },
            "end": {
              "local": "2017-10-20T19:51:14-07:00",
              "utc": "2017-10-21T02:51:14Z",
              "ms": 1508554274234.1072
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 12:12 on Thu 19 Oct to 13:07 on Fri 20 Oct.",
          "fact": "2017-10-19T19:12:03Z → 2017-10-20T20:07:21Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:52 on the 19th, 18:09–19:51 on the 20th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pradoṣa. It covers 102 of 102 minutes on the 19th and 0 of 102 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 18088 s"
        },
        {
          "step": "ruling",
          "text": "Bali Pūjā, Tijuana, 2017: Thursday 19 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": "2017-10-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Bali Pūjā 2017 falls on Thursday 19 October. Pratipadā runs from 12:12 on Thu 19 Oct to 13:07 on Fri 20 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/dyuta-pratipad",
      "festival": "dyuta-pratipad",
      "name": "Dyūta Pratipad",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5508,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2017-10-19T12:12:03-07:00",
          "utc": "2017-10-19T19:12:03Z",
          "ms": 1508440322704.6716
        },
        "end": {
          "local": "2017-10-20T13:07:21-07:00",
          "utc": "2017-10-20T20:07:21Z",
          "ms": 1508530041260.3657
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-19T12:12:03-07:00",
          "utc": "2017-10-19T19:12:03Z",
          "ms": 1508440322704.6716
        },
        "end": {
          "local": "2017-10-20T13:07:21-07:00",
          "utc": "2017-10-20T20:07:21Z",
          "ms": 1508530041260.3657
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2017-10-19",
          "window": {
            "start": {
              "local": "2017-10-19T06:55:25-07:00",
              "utc": "2017-10-19T13:55:25Z",
              "ms": 1508421324767.2017
            },
            "end": {
              "local": "2017-10-19T10:40:15-07:00",
              "utc": "2017-10-19T17:40:15Z",
              "ms": 1508434815030.2693
            }
          },
          "covered_min": 0,
          "window_min": 225,
          "qualifies": false
        },
        {
          "local_date": "2017-10-20",
          "window": {
            "start": {
              "local": "2017-10-20T06:56:11-07:00",
              "utc": "2017-10-20T13:56:11Z",
              "ms": 1508507771171.5198
            },
            "end": {
              "local": "2017-10-20T10:40:24-07:00",
              "utc": "2017-10-20T17:40:24Z",
              "ms": 1508521223796.1206
            }
          },
          "covered_min": 224,
          "window_min": 224,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 12:12 on Thu 19 Oct to 13:07 on Fri 20 Oct.",
          "fact": "2017-10-19T19:12:03Z → 2017-10-20T20:07:21Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:55–10:40 on the 19th, 06:56–10:40 on the 20th.",
          "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 225 minutes on the 19th and 224 of 224 on the 20th.",
          "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 5508 s"
        },
        {
          "step": "ruling",
          "text": "Dyūta Pratipad, Tijuana, 2017: Friday 20 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": "2017-10-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Dyūta Pratipad 2017 falls on Friday 20 October. Pratipadā runs from 12:12 on Thu 19 Oct to 13:07 on Fri 20 Oct and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/yama-dvitiya",
      "festival": "yama-dvitiya",
      "name": "Yama Dvitīyā",
      "everyday": "Bhai Dooj",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 651,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2017-10-20T13:07:21-07:00",
          "utc": "2017-10-20T20:07:21Z",
          "ms": 1508530041260.3657
        },
        "end": {
          "local": "2017-10-21T14:30:39-07:00",
          "utc": "2017-10-21T21:30:39Z",
          "ms": 1508621439253.0972
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-20T13:07:21-07:00",
          "utc": "2017-10-20T20:07:21Z",
          "ms": 1508530041260.3657
        },
        "end": {
          "local": "2017-10-21T14:30:39-07:00",
          "utc": "2017-10-21T21:30:39Z",
          "ms": 1508621439253.0972
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-10-20",
          "window": {
            "start": {
              "local": "2017-10-20T12:08:30-07:00",
              "utc": "2017-10-20T19:08:30Z",
              "ms": 1508526510108.4211
            },
            "end": {
              "local": "2017-10-20T12:56:30-07:00",
              "utc": "2017-10-20T19:56:30Z",
              "ms": 1508529390108.4211
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-10-21",
          "window": {
            "start": {
              "local": "2017-10-21T12:08:21-07:00",
              "utc": "2017-10-21T19:08:21Z",
              "ms": 1508612900709.4534
            },
            "end": {
              "local": "2017-10-21T12:56:21-07:00",
              "utc": "2017-10-21T19:56:21Z",
              "ms": 1508615780709.4534
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 13:07 on Fri 20 Oct to 14:31 on Sat 21 Oct.",
          "fact": "2017-10-20T20:07:21Z → 2017-10-21T21:30:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 20th, 12:08–12:56 on the 21st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 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 651 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dvitīyā, Tijuana, 2017: Saturday 21 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": "2017-10-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Yama Dvitīyā (Bhai Dooj) 2017 falls on Saturday 21 October. Dvitīyā runs from 13:07 on Fri 20 Oct to 14:31 on Sat 21 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/naga-chaturthi",
      "festival": "naga-chaturthi",
      "name": "Nāga Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12318,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-10-22T16:21:30-07:00",
          "utc": "2017-10-22T23:21:30Z",
          "ms": 1508714489593.6135
        },
        "end": {
          "local": "2017-10-23T18:36:26-07:00",
          "utc": "2017-10-24T01:36:26Z",
          "ms": 1508808986090.445
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-22T16:21:30-07:00",
          "utc": "2017-10-22T23:21:30Z",
          "ms": 1508714489593.6135
        },
        "end": {
          "local": "2017-10-23T18:36:26-07:00",
          "utc": "2017-10-24T01:36:26Z",
          "ms": 1508808986090.445
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-10-22",
          "window": {
            "start": {
              "local": "2017-10-22T12:08:12-07:00",
              "utc": "2017-10-22T19:08:12Z",
              "ms": 1508699291977.1772
            },
            "end": {
              "local": "2017-10-22T12:56:12-07:00",
              "utc": "2017-10-22T19:56:12Z",
              "ms": 1508702171977.1772
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-10-23",
          "window": {
            "start": {
              "local": "2017-10-23T12:08:04-07:00",
              "utc": "2017-10-23T19:08:04Z",
              "ms": 1508785683923.7766
            },
            "end": {
              "local": "2017-10-23T12:56:04-07:00",
              "utc": "2017-10-23T19:56:04Z",
              "ms": 1508788563923.7766
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 16:21 on Sun 22 Oct to 18:36 on Mon 23 Oct.",
          "fact": "2017-10-22T23:21:30Z → 2017-10-24T01:36:26Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 22nd, 12:08–12:56 on the 23rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 12318 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Caturthī, Tijuana, 2017: Monday 23 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": "2017-10-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Nāga Caturthī 2017 falls on Monday 23 October. Caturthī runs from 16:21 on Sun 22 Oct to 18:36 on Mon 23 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/vinayaka-chaturthi?on=2017-10-23",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12318,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-10-22T16:21:30-07:00",
          "utc": "2017-10-22T23:21:30Z",
          "ms": 1508714489593.6135
        },
        "end": {
          "local": "2017-10-23T18:36:26-07:00",
          "utc": "2017-10-24T01:36:26Z",
          "ms": 1508808986090.445
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-22T16:21:30-07:00",
          "utc": "2017-10-22T23:21:30Z",
          "ms": 1508714489593.6135
        },
        "end": {
          "local": "2017-10-23T18:36:26-07:00",
          "utc": "2017-10-24T01:36:26Z",
          "ms": 1508808986090.445
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-10-22",
          "window": {
            "start": {
              "local": "2017-10-22T12:08:12-07:00",
              "utc": "2017-10-22T19:08:12Z",
              "ms": 1508699291977.1772
            },
            "end": {
              "local": "2017-10-22T12:56:12-07:00",
              "utc": "2017-10-22T19:56:12Z",
              "ms": 1508702171977.1772
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-10-23",
          "window": {
            "start": {
              "local": "2017-10-23T12:08:04-07:00",
              "utc": "2017-10-23T19:08:04Z",
              "ms": 1508785683923.7766
            },
            "end": {
              "local": "2017-10-23T12:56:04-07:00",
              "utc": "2017-10-23T19:56:04Z",
              "ms": 1508788563923.7766
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 16:21 on Sun 22 Oct to 18:36 on Mon 23 Oct.",
          "fact": "2017-10-22T23:21:30Z → 2017-10-24T01:36:26Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 22nd, 12:08–12:56 on the 23rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 12318 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Tijuana, 2017: Monday 23 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": "2017-10-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Vināyaka Caturthī 2017 falls on Monday 23 October. Caturthī runs from 16:21 on Sun 22 Oct to 18:36 on Mon 23 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/vinayaka-chaturthi?on=2017-10-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/surya-shashthi",
      "festival": "surya-shashthi",
      "name": "Sūrya Ṣaṣṭhī",
      "everyday": "Chhath",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29539,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2017-10-24T21:08:15-07:00",
          "utc": "2017-10-25T04:08:15Z",
          "ms": 1508904495061.7258
        },
        "end": {
          "local": "2017-10-25T23:45:50-07:00",
          "utc": "2017-10-26T06:45:50Z",
          "ms": 1509000350376.1409
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-24T21:08:15-07:00",
          "utc": "2017-10-25T04:08:15Z",
          "ms": 1508904495061.7258
        },
        "end": {
          "local": "2017-10-25T23:45:50-07:00",
          "utc": "2017-10-26T06:45:50Z",
          "ms": 1509000350376.1409
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-10-24",
          "window": {
            "start": {
              "local": "2017-10-24T12:07:57-07:00",
              "utc": "2017-10-24T19:07:57Z",
              "ms": 1508872076561.3584
            },
            "end": {
              "local": "2017-10-24T12:55:57-07:00",
              "utc": "2017-10-24T19:55:57Z",
              "ms": 1508874956561.3584
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-10-25",
          "window": {
            "start": {
              "local": "2017-10-25T12:07:50-07:00",
              "utc": "2017-10-25T19:07:50Z",
              "ms": 1508958469901.941
            },
            "end": {
              "local": "2017-10-25T12:55:50-07:00",
              "utc": "2017-10-25T19:55:50Z",
              "ms": 1508961349901.941
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 21:08 on Tue 24 Oct to 23:46 on Wed 25 Oct.",
          "fact": "2017-10-25T04:08:15Z → 2017-10-26T06:45:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 24th, 12:08–12:56 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 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: unstated → only-day · margin 29539 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī, Tijuana, 2017: Wednesday 25 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": "2017-10-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Sūrya Ṣaṣṭhī (Chhath) 2017 falls on Wednesday 25 October. Ṣaṣṭhī runs from 21:08 on Tue 24 Oct to 23:46 on Wed 25 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/gopashtami",
      "festival": "gopashtami",
      "name": "Gopāṣṭamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27973,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2017-10-27T02:15:11-07:00",
          "utc": "2017-10-27T09:15:11Z",
          "ms": 1509095711279.0867
        },
        "end": {
          "local": "2017-10-28T04:21:21-07:00",
          "utc": "2017-10-28T11:21:21Z",
          "ms": 1509189680959.3733
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-27T02:15:11-07:00",
          "utc": "2017-10-27T09:15:11Z",
          "ms": 1509095711279.0867
        },
        "end": {
          "local": "2017-10-28T04:21:21-07:00",
          "utc": "2017-10-28T11:21:21Z",
          "ms": 1509189680959.3733
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-10-27",
          "window": {
            "start": {
              "local": "2017-10-27T12:07:39-07:00",
              "utc": "2017-10-27T19:07:39Z",
              "ms": 1509131258739.6465
            },
            "end": {
              "local": "2017-10-27T12:55:39-07:00",
              "utc": "2017-10-27T19:55:39Z",
              "ms": 1509134138739.6465
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-10-28",
          "window": {
            "start": {
              "local": "2017-10-28T12:07:34-07:00",
              "utc": "2017-10-28T19:07:34Z",
              "ms": 1509217654260.254
            },
            "end": {
              "local": "2017-10-28T12:55:34-07:00",
              "utc": "2017-10-28T19:55:34Z",
              "ms": 1509220534260.254
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 02:15 on Fri 27 Oct to 04:21 on Sat 28 Oct.",
          "fact": "2017-10-27T09:15:11Z → 2017-10-28T11:21:21Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 27th, 12:08–12:56 on the 28th.",
          "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 27th and 0 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 27973 s"
        },
        {
          "step": "ruling",
          "text": "Gopāṣṭamī, Tijuana, 2017: Friday 27 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": "2017-10-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Gopāṣṭamī 2017 falls on Friday 27 October. Aṣṭamī runs from 02:15 on Fri 27 Oct to 04:21 on Sat 28 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/akshaya-navami",
      "festival": "akshaya-navami",
      "name": "Akṣaya Navamī",
      "everyday": "Amla Navami",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4351,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2017-10-28T04:21:21-07:00",
          "utc": "2017-10-28T11:21:21Z",
          "ms": 1509189680959.3733
        },
        "end": {
          "local": "2017-10-29T05:50:55-07:00",
          "utc": "2017-10-29T12:50:55Z",
          "ms": 1509281454574.9414
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-28T04:21:21-07:00",
          "utc": "2017-10-28T11:21:21Z",
          "ms": 1509189680959.3733
        },
        "end": {
          "local": "2017-10-29T05:50:55-07:00",
          "utc": "2017-10-29T12:50:55Z",
          "ms": 1509281454574.9414
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2017-10-28",
          "window": {
            "start": {
              "local": "2017-10-28T07:02:36-07:00",
              "utc": "2017-10-28T14:02:36Z",
              "ms": 1509199355952.6887
            },
            "end": {
              "local": "2017-10-28T10:41:55-07:00",
              "utc": "2017-10-28T17:41:55Z",
              "ms": 1509212514824.399
            }
          },
          "covered_min": 219,
          "window_min": 219,
          "qualifies": true
        },
        {
          "local_date": "2017-10-29",
          "window": {
            "start": {
              "local": "2017-10-29T07:03:26-07:00",
              "utc": "2017-10-29T14:03:26Z",
              "ms": 1509285805669.543
            },
            "end": {
              "local": "2017-10-29T10:42:09-07:00",
              "utc": "2017-10-29T17:42:09Z",
              "ms": 1509298928910.4346
            }
          },
          "covered_min": 0,
          "window_min": 219,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 04:21 on Sat 28 Oct to 05:51 on Sun 29 Oct.",
          "fact": "2017-10-28T11:21:21Z → 2017-10-29T12:50:55Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:03–10:42 on the 28th, 07:03–10:42 on the 29th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during pūrvāhṇa. It covers 219 of 219 minutes on the 28th and 0 of 219 on the 29th.",
          "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 4351 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Navamī, Tijuana, 2017: Saturday 28 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": "2017-10-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Akṣaya Navamī (Amla Navami) 2017 falls on Saturday 28 October. Navamī runs from 04:21 on Sat 28 Oct to 05:51 on Sun 29 Oct and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/durga-navami",
      "festival": "durga-navami",
      "name": "Durgā Navamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22596,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2017-10-28T04:21:21-07:00",
          "utc": "2017-10-28T11:21:21Z",
          "ms": 1509189680959.3733
        },
        "end": {
          "local": "2017-10-29T05:50:55-07:00",
          "utc": "2017-10-29T12:50:55Z",
          "ms": 1509281454574.9414
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-28T04:21:21-07:00",
          "utc": "2017-10-28T11:21:21Z",
          "ms": 1509189680959.3733
        },
        "end": {
          "local": "2017-10-29T05:50:55-07:00",
          "utc": "2017-10-29T12:50:55Z",
          "ms": 1509281454574.9414
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-10-28",
          "window": {
            "start": {
              "local": "2017-10-28T12:07:34-07:00",
              "utc": "2017-10-28T19:07:34Z",
              "ms": 1509217654260.254
            },
            "end": {
              "local": "2017-10-28T12:55:34-07:00",
              "utc": "2017-10-28T19:55:34Z",
              "ms": 1509220534260.254
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-10-29",
          "window": {
            "start": {
              "local": "2017-10-29T12:07:31-07:00",
              "utc": "2017-10-29T19:07:31Z",
              "ms": 1509304050530.8804
            },
            "end": {
              "local": "2017-10-29T12:55:31-07:00",
              "utc": "2017-10-29T19:55:31Z",
              "ms": 1509306930530.8804
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 04:21 on Sat 28 Oct to 05:51 on Sun 29 Oct.",
          "fact": "2017-10-28T11:21:21Z → 2017-10-29T12:50:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 28th, 12:08–12:56 on the 29th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 22596 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Navamī, Tijuana, 2017: Saturday 28 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": "2017-10-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Durgā Navamī 2017 falls on Saturday 28 October. Navamī runs from 04:21 on Sat 28 Oct to 05:51 on Sun 29 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ekadashi?on=2017-10-30",
      "festival": "ekadashi",
      "name": "Prabodhinī Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-10-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1807,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-10-30T06:34:09-07:00",
          "utc": "2017-10-30T13:34:09Z",
          "ms": 1509370448548.543
        },
        "end": {
          "local": "2017-10-31T06:26:13-07:00",
          "utc": "2017-10-31T13:26:13Z",
          "ms": 1509456372765.523
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-10-30T06:34:09-07:00",
          "utc": "2017-10-30T13:34:09Z",
          "ms": 1509370448548.543
        },
        "end": {
          "local": "2017-10-31T06:26:13-07:00",
          "utc": "2017-10-31T13:26:13Z",
          "ms": 1509456372765.523
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-10-30",
          "window": {
            "start": {
              "local": "2017-10-30T07:04:16-07:00",
              "utc": "2017-10-30T14:04:16Z",
              "ms": 1509372255725.2244
            },
            "end": {
              "local": "2017-10-30T07:04:16-07:00",
              "utc": "2017-10-30T14:04:16Z",
              "ms": 1509372255725.2244
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-10-31",
          "window": {
            "start": {
              "local": "2017-10-31T07:05:06-07:00",
              "utc": "2017-10-31T14:05:06Z",
              "ms": 1509458706112.4805
            },
            "end": {
              "local": "2017-10-31T07:05:06-07:00",
              "utc": "2017-10-31T14:05:06Z",
              "ms": 1509458706112.4805
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 06:34 on Mon 30 Oct to 06:26 on Tue 31 Oct.",
          "fact": "2017-10-30T13:34:09Z → 2017-10-31T13:26:13Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:04 on the 30th and 07:05 on the 31st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 30th and is not on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 1807 s"
        },
        {
          "step": "ruling",
          "text": "Prabodhinī Ekādaśī, Tijuana, 2017: Monday 30 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": "2017-10-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-10-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Prabodhinī Ekādaśī 2017 falls on Monday 30 October. Ekādaśī runs from 06:34 on Mon 30 Oct to 06:26 on Tue 31 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-10-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/pradosha-vrata?on=2017-11-01",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-11-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28772,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-11-01T05:27:16-07:00",
          "utc": "2017-11-01T12:27:16Z",
          "ms": 1509539236206.5652
        },
        "end": {
          "local": "2017-11-02T03:41:43-07:00",
          "utc": "2017-11-02T10:41:43Z",
          "ms": 1509619302908.9001
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-11-01T05:27:16-07:00",
          "utc": "2017-11-01T12:27:16Z",
          "ms": 1509539236206.5652
        },
        "end": {
          "local": "2017-11-02T03:41:43-07:00",
          "utc": "2017-11-02T10:41:43Z",
          "ms": 1509619302908.9001
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-10-31",
          "window": {
            "start": {
              "local": "2017-10-31T17:57:45-07:00",
              "utc": "2017-11-01T00:57:45Z",
              "ms": 1509497864625.1057
            },
            "end": {
              "local": "2017-10-31T19:42:50-07:00",
              "utc": "2017-11-01T02:42:50Z",
              "ms": 1509504170251.643
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        },
        {
          "local_date": "2017-11-01",
          "window": {
            "start": {
              "local": "2017-11-01T17:56:51-07:00",
              "utc": "2017-11-02T00:56:51Z",
              "ms": 1509584211095.5435
            },
            "end": {
              "local": "2017-11-01T19:42:11-07:00",
              "utc": "2017-11-02T02:42:11Z",
              "ms": 1509590530663.2107
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 05:27 on Wed 1 Nov to 03:42 on Thu 2 Nov.",
          "fact": "2017-11-01T12:27:16Z → 2017-11-02T10:41:43Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:43 on the 31st, 17:57–19:42 on the 1st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 105 minutes on the 31st and 105 of 105 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 28772 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Tijuana, 2017: Wednesday 1 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": "2017-11-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-11-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śukla Pradoṣa Vrata 2017 falls on Wednesday 1 November. Trayodaśī runs from 05:27 on Wed 1 Nov to 03:42 on Thu 2 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-11-01",
      "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/2017/kartiki-purnima",
      "festival": "kartiki-purnima",
      "name": "Kārtikī Pūrṇimā",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-11-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34050,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2017-11-03T01:17:05-07:00",
          "utc": "2017-11-03T08:17:05Z",
          "ms": 1509697024924.1353
        },
        "end": {
          "local": "2017-11-03T22:22:54-07:00",
          "utc": "2017-11-04T05:22:54Z",
          "ms": 1509772973916.1726
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-11-03T01:17:05-07:00",
          "utc": "2017-11-03T08:17:05Z",
          "ms": 1509697024924.1353
        },
        "end": {
          "local": "2017-11-03T22:22:54-07:00",
          "utc": "2017-11-04T05:22:54Z",
          "ms": 1509772973916.1726
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-11-02",
          "window": {
            "start": {
              "local": "2017-11-02T12:07:23-07:00",
              "utc": "2017-11-02T19:07:23Z",
              "ms": 1509649643348.3804
            },
            "end": {
              "local": "2017-11-02T12:55:23-07:00",
              "utc": "2017-11-02T19:55:23Z",
              "ms": 1509652523348.3804
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-11-03",
          "window": {
            "start": {
              "local": "2017-11-03T12:07:24-07:00",
              "utc": "2017-11-03T19:07:24Z",
              "ms": 1509736043546.7437
            },
            "end": {
              "local": "2017-11-03T12:55:24-07:00",
              "utc": "2017-11-03T19:55:24Z",
              "ms": 1509738923546.7437
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 01:17 on Fri 3 Nov to 22:23 on Fri 3 Nov.",
          "fact": "2017-11-03T08:17:05Z → 2017-11-04T05:22:54Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 2nd, 12:07–12:55 on the 3rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34050 s"
        },
        {
          "step": "ruling",
          "text": "Kārtikī Pūrṇimā, Tijuana, 2017: Friday 3 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kartiki-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-11-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-11-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Kārtikī Pūrṇimā 2017 falls on Friday 3 November. Pūrṇimā runs from 01:17 on Fri 3 Nov to 22:23 on Fri 3 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/rasayatra",
      "festival": "rasayatra",
      "name": "Rāsayātrā",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-11-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1276,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2017-11-03T01:17:05-07:00",
          "utc": "2017-11-03T08:17:05Z",
          "ms": 1509697024924.1353
        },
        "end": {
          "local": "2017-11-03T22:22:54-07:00",
          "utc": "2017-11-04T05:22:54Z",
          "ms": 1509772973916.1726
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-11-03T01:17:05-07:00",
          "utc": "2017-11-03T08:17:05Z",
          "ms": 1509697024924.1353
        },
        "end": {
          "local": "2017-11-03T22:22:54-07:00",
          "utc": "2017-11-04T05:22:54Z",
          "ms": 1509772973916.1726
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2017-11-02",
          "window": {
            "start": {
              "local": "2017-11-03T00:07:49-07:00",
              "utc": "2017-11-03T07:07:49Z",
              "ms": 1509692869017.9424
            },
            "end": {
              "local": "2017-11-03T00:55:49-07:00",
              "utc": "2017-11-03T07:55:49Z",
              "ms": 1509695749017.9424
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-11-03",
          "window": {
            "start": {
              "local": "2017-11-04T00:07:49-07:00",
              "utc": "2017-11-04T07:07:49Z",
              "ms": 1509779269367.8606
            },
            "end": {
              "local": "2017-11-04T00:55:49-07:00",
              "utc": "2017-11-04T07:55:49Z",
              "ms": 1509782149367.8606
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 01:17 on Fri 3 Nov to 22:23 on Fri 3 Nov.",
          "fact": "2017-11-03T08:17:05Z → 2017-11-04T05:22:54Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:08–00:56 on the 2nd, 00:08–00:56 on the 3rd.",
          "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 2nd and 0 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Neither night qualifies. The rule takes the second day.",
          "fact": "priority: paraviddha → second-day · margin 1276 s"
        },
        {
          "step": "ruling",
          "text": "Rāsayātrā, Tijuana, 2017: Friday 3 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rasayatra",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima."
          }
        ],
        "kaala": "nishita",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-11-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-11-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Rāsayātrā 2017 falls on Friday 3 November. Pūrṇimā runs from 01:17 on Fri 3 Nov to 22:23 on Fri 3 Nov, and reaches niśītha on neither day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/sankashta-chaturthi?on=2017-11-06",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-11-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29110,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-11-06T11:29:03-08:00",
          "utc": "2017-11-06T19:29:03Z",
          "ms": 1509996543249.0425
        },
        "end": {
          "local": "2017-11-07T08:21:29-08:00",
          "utc": "2017-11-07T16:21:29Z",
          "ms": 1510071688518.0535
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-11-06T11:29:03-08:00",
          "utc": "2017-11-06T19:29:03Z",
          "ms": 1509996543249.0425
        },
        "end": {
          "local": "2017-11-07T08:21:29-08:00",
          "utc": "2017-11-07T16:21:29Z",
          "ms": 1510071688518.0535
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2017-11-06",
          "window": {
            "start": {
              "local": "2017-11-06T19:34:13-08:00",
              "utc": "2017-11-07T03:34:13Z",
              "ms": 1510025652889.9648
            },
            "end": {
              "local": "2017-11-06T19:34:13-08:00",
              "utc": "2017-11-07T03:34:13Z",
              "ms": 1510025652889.9648
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-11-07",
          "window": {
            "start": {
              "local": "2017-11-07T20:33:25-08:00",
              "utc": "2017-11-08T04:33:25Z",
              "ms": 1510115605002.086
            },
            "end": {
              "local": "2017-11-07T20:33:25-08:00",
              "utc": "2017-11-08T04:33:25Z",
              "ms": 1510115605002.086
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:29 on Mon 6 Nov to 08:21 on Tue 7 Nov.",
          "fact": "2017-11-06T19:29:03Z → 2017-11-07T16:21:29Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:34 on the 6th and 20:33 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 29110 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Tijuana, 2017: Monday 6 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": "2017-11-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-11-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Saṅkaṣṭa Caturthī 2017 falls on Monday 6 November. Caturthī runs from 11:29 on Mon 6 Nov to 08:21 on Tue 7 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/sankashta-chaturthi?on=2017-11-06",
      "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/2017/ekadashi?on=2017-11-13",
      "festival": "ekadashi",
      "name": "Utpannā Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-11-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25911,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-11-12T22:55:23-08:00",
          "utc": "2017-11-13T06:55:23Z",
          "ms": 1510556122793.8823
        },
        "end": {
          "local": "2017-11-13T23:05:30-08:00",
          "utc": "2017-11-14T07:05:30Z",
          "ms": 1510643129946.6096
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-11-12T22:55:23-08:00",
          "utc": "2017-11-13T06:55:23Z",
          "ms": 1510556122793.8823
        },
        "end": {
          "local": "2017-11-13T23:05:30-08:00",
          "utc": "2017-11-14T07:05:30Z",
          "ms": 1510643129946.6096
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-11-13",
          "window": {
            "start": {
              "local": "2017-11-13T06:16:27-08:00",
              "utc": "2017-11-13T14:16:27Z",
              "ms": 1510582587304.8638
            },
            "end": {
              "local": "2017-11-13T06:16:27-08:00",
              "utc": "2017-11-13T14:16:27Z",
              "ms": 1510582587304.8638
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-11-14",
          "window": {
            "start": {
              "local": "2017-11-14T06:17:21-08:00",
              "utc": "2017-11-14T14:17:21Z",
              "ms": 1510669041195.5227
            },
            "end": {
              "local": "2017-11-14T06:17:21-08:00",
              "utc": "2017-11-14T14:17:21Z",
              "ms": 1510669041195.5227
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 22:55 on Sun 12 Nov to 23:05 on Mon 13 Nov.",
          "fact": "2017-11-13T06:55:23Z → 2017-11-14T07:05:30Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:16 on the 13th and 06:17 on the 14th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 13th and is not on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 25911 s"
        },
        {
          "step": "ruling",
          "text": "Utpannā Ekādaśī, Tijuana, 2017: Monday 13 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": "2017-11-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-11-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Utpannā Ekādaśī 2017 falls on Monday 13 November. Ekādaśī runs from 22:55 on Sun 12 Nov to 23:05 on Mon 13 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-11-13",
      "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/2017/pradosha-vrata?on=2017-11-15",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-11-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18318,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-11-14T23:40:47-08:00",
          "utc": "2017-11-15T07:40:47Z",
          "ms": 1510731647148.7715
        },
        "end": {
          "local": "2017-11-16T00:39:20-08:00",
          "utc": "2017-11-16T08:39:20Z",
          "ms": 1510821559510.8228
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-11-14T23:40:47-08:00",
          "utc": "2017-11-15T07:40:47Z",
          "ms": 1510731647148.7715
        },
        "end": {
          "local": "2017-11-16T00:39:20-08:00",
          "utc": "2017-11-16T08:39:20Z",
          "ms": 1510821559510.8228
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-11-14",
          "window": {
            "start": {
              "local": "2017-11-14T16:47:23-08:00",
              "utc": "2017-11-15T00:47:23Z",
              "ms": 1510706842599.0415
            },
            "end": {
              "local": "2017-11-14T18:35:30-08:00",
              "utc": "2017-11-15T02:35:30Z",
              "ms": 1510713329609.82
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        },
        {
          "local_date": "2017-11-15",
          "window": {
            "start": {
              "local": "2017-11-15T16:46:50-08:00",
              "utc": "2017-11-16T00:46:50Z",
              "ms": 1510793209628.6162
            },
            "end": {
              "local": "2017-11-15T18:35:08-08:00",
              "utc": "2017-11-16T02:35:08Z",
              "ms": 1510799708241.554
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 23:41 on Tue 14 Nov to 00:39 on Thu 16 Nov.",
          "fact": "2017-11-15T07:40:47Z → 2017-11-16T08:39:20Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:47–18:35 on the 14th, 16:47–18:35 on the 15th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 108 minutes on the 14th and 108 of 108 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 18318 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 2017: Wednesday 15 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": "2017-11-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-11-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 2017 falls on Wednesday 15 November. Trayodaśī runs from 23:41 on Tue 14 Nov to 00:39 on Thu 16 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-11-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/shivaratri?on=2017-11-16",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-11-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2540,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2017-11-16T00:39:20-08:00",
          "utc": "2017-11-16T08:39:20Z",
          "ms": 1510821559510.8228
        },
        "end": {
          "local": "2017-11-17T01:59:59-08:00",
          "utc": "2017-11-17T09:59:59Z",
          "ms": 1510912798825.1704
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-11-16T00:39:20-08:00",
          "utc": "2017-11-16T08:39:20Z",
          "ms": 1510821559510.8228
        },
        "end": {
          "local": "2017-11-17T01:59:59-08:00",
          "utc": "2017-11-17T09:59:59Z",
          "ms": 1510912798825.1704
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2017-11-15",
          "window": {
            "start": {
              "local": "2017-11-15T23:08:59-08:00",
              "utc": "2017-11-16T07:08:59Z",
              "ms": 1510816139427.1328
            },
            "end": {
              "local": "2017-11-15T23:56:59-08:00",
              "utc": "2017-11-16T07:56:59Z",
              "ms": 1510819019427.1328
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-11-16",
          "window": {
            "start": {
              "local": "2017-11-16T23:09:11-08:00",
              "utc": "2017-11-17T07:09:11Z",
              "ms": 1510902550803.0845
            },
            "end": {
              "local": "2017-11-16T23:57:11-08:00",
              "utc": "2017-11-17T07:57:11Z",
              "ms": 1510905430803.0845
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 00:39 on Thu 16 Nov to 02:00 on Fri 17 Nov.",
          "fact": "2017-11-16T08:39:20Z → 2017-11-17T09:59:59Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:09–23:57 on the 15th, 23:09–23:57 on the 16th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2540 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Tijuana, 2017: Thursday 16 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": "2017-11-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-11-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śivarātri 2017 falls on Thursday 16 November. Caturdaśī runs from 00:39 on Thu 16 Nov to 02:00 on Fri 17 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/shivaratri?on=2017-11-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/vinayaka-chaturthi?on=2017-11-21",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-11-21",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1661,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-11-21T10:42:12-08:00",
          "utc": "2017-11-21T18:42:12Z",
          "ms": 1511289732303.0098
        },
        "end": {
          "local": "2017-11-22T13:25:07-08:00",
          "utc": "2017-11-22T21:25:07Z",
          "ms": 1511385907081.1213
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-11-21T10:42:12-08:00",
          "utc": "2017-11-21T18:42:12Z",
          "ms": 1511289732303.0098
        },
        "end": {
          "local": "2017-11-22T13:25:07-08:00",
          "utc": "2017-11-22T21:25:07Z",
          "ms": 1511385907081.1213
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-11-21",
          "window": {
            "start": {
              "local": "2017-11-21T11:09:53-08:00",
              "utc": "2017-11-21T19:09:53Z",
              "ms": 1511291393076.8232
            },
            "end": {
              "local": "2017-11-21T11:57:53-08:00",
              "utc": "2017-11-21T19:57:53Z",
              "ms": 1511294273076.8232
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-11-22",
          "window": {
            "start": {
              "local": "2017-11-22T11:10:09-08:00",
              "utc": "2017-11-22T19:10:09Z",
              "ms": 1511377809358.0918
            },
            "end": {
              "local": "2017-11-22T11:58:09-08:00",
              "utc": "2017-11-22T19:58:09Z",
              "ms": 1511380689358.0918
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 10:42 on Tue 21 Nov to 13:25 on Wed 22 Nov.",
          "fact": "2017-11-21T18:42:12Z → 2017-11-22T21:25:07Z"
        },
        {
          "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 48 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 1661 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Tijuana, 2017: Tuesday 21 November.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-11-21",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-11-22",
          "confidence": "boundary"
        }
      ],
      "quote": "In Tijuana, Vināyaka Caturthī 2017 falls on Tuesday 21 November. Caturthī runs from 10:42 on Tue 21 Nov to 13:25 on Wed 22 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/vinayaka-chaturthi?on=2017-11-21",
      "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/2017/naga-panchami-margashirsha",
      "festival": "naga-panchami-margashirsha",
      "name": "Nāga Pañcamī (Mārgaśīrṣa)",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-11-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5218,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2017-11-22T13:25:07-08:00",
          "utc": "2017-11-22T21:25:07Z",
          "ms": 1511385907081.1213
        },
        "end": {
          "local": "2017-11-23T16:04:37-08:00",
          "utc": "2017-11-24T00:04:37Z",
          "ms": 1511481877307.4775
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-11-22T13:25:07-08:00",
          "utc": "2017-11-22T21:25:07Z",
          "ms": 1511385907081.1213
        },
        "end": {
          "local": "2017-11-23T16:04:37-08:00",
          "utc": "2017-11-24T00:04:37Z",
          "ms": 1511481877307.4775
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-11-22",
          "window": {
            "start": {
              "local": "2017-11-22T11:10:09-08:00",
              "utc": "2017-11-22T19:10:09Z",
              "ms": 1511377809358.0918
            },
            "end": {
              "local": "2017-11-22T11:58:09-08:00",
              "utc": "2017-11-22T19:58:09Z",
              "ms": 1511380689358.0918
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-11-23",
          "window": {
            "start": {
              "local": "2017-11-23T11:10:26-08:00",
              "utc": "2017-11-23T19:10:26Z",
              "ms": 1511464226414.58
            },
            "end": {
              "local": "2017-11-23T11:58:26-08:00",
              "utc": "2017-11-23T19:58:26Z",
              "ms": 1511467106414.58
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 13:25 on Wed 22 Nov to 16:05 on Thu 23 Nov.",
          "fact": "2017-11-22T21:25:07Z → 2017-11-24T00:04:37Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 22nd, 11:10–11:58 on the 23rd.",
          "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 22nd and 48 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 5218 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī (Mārgaśīrṣa), Tijuana, 2017: Thursday 23 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": "2017-11-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-11-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Nāga Pañcamī (Mārgaśīrṣa) 2017 falls on Thursday 23 November. Pañcamī runs from 13:25 on Wed 22 Nov to 16:05 on Thu 23 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/champa-shashthi",
      "festival": "champa-shashthi",
      "name": "Campā Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-11-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14771,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2017-11-23T16:04:37-08:00",
          "utc": "2017-11-24T00:04:37Z",
          "ms": 1511481877307.4775
        },
        "end": {
          "local": "2017-11-24T18:27:51-08:00",
          "utc": "2017-11-25T02:27:51Z",
          "ms": 1511576870542.9087
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-11-23T16:04:37-08:00",
          "utc": "2017-11-24T00:04:37Z",
          "ms": 1511481877307.4775
        },
        "end": {
          "local": "2017-11-24T18:27:51-08:00",
          "utc": "2017-11-25T02:27:51Z",
          "ms": 1511576870542.9087
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-11-23",
          "window": {
            "start": {
              "local": "2017-11-23T11:10:26-08:00",
              "utc": "2017-11-23T19:10:26Z",
              "ms": 1511464226414.58
            },
            "end": {
              "local": "2017-11-23T11:58:26-08:00",
              "utc": "2017-11-23T19:58:26Z",
              "ms": 1511467106414.58
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-11-24",
          "window": {
            "start": {
              "local": "2017-11-24T11:10:44-08:00",
              "utc": "2017-11-24T19:10:44Z",
              "ms": 1511550644231.2844
            },
            "end": {
              "local": "2017-11-24T11:58:44-08:00",
              "utc": "2017-11-24T19:58:44Z",
              "ms": 1511553524231.2844
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 16:05 on Thu 23 Nov to 18:28 on Fri 24 Nov.",
          "fact": "2017-11-24T00:04:37Z → 2017-11-25T02:27:51Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 23rd, 11:11–11:59 on the 24th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 14771 s"
        },
        {
          "step": "ruling",
          "text": "Campā Ṣaṣṭhī, Tijuana, 2017: Friday 24 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": "2017-11-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-11-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Campā Ṣaṣṭhī 2017 falls on Friday 24 November. Ṣaṣṭhī runs from 16:05 on Thu 23 Nov to 18:28 on Fri 24 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/skanda-shashthi",
      "festival": "skanda-shashthi",
      "name": "Skanda Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-11-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14771,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2017-11-23T16:04:37-08:00",
          "utc": "2017-11-24T00:04:37Z",
          "ms": 1511481877307.4775
        },
        "end": {
          "local": "2017-11-24T18:27:51-08:00",
          "utc": "2017-11-25T02:27:51Z",
          "ms": 1511576870542.9087
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-11-23T16:04:37-08:00",
          "utc": "2017-11-24T00:04:37Z",
          "ms": 1511481877307.4775
        },
        "end": {
          "local": "2017-11-24T18:27:51-08:00",
          "utc": "2017-11-25T02:27:51Z",
          "ms": 1511576870542.9087
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-11-23",
          "window": {
            "start": {
              "local": "2017-11-23T11:10:26-08:00",
              "utc": "2017-11-23T19:10:26Z",
              "ms": 1511464226414.58
            },
            "end": {
              "local": "2017-11-23T11:58:26-08:00",
              "utc": "2017-11-23T19:58:26Z",
              "ms": 1511467106414.58
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-11-24",
          "window": {
            "start": {
              "local": "2017-11-24T11:10:44-08:00",
              "utc": "2017-11-24T19:10:44Z",
              "ms": 1511550644231.2844
            },
            "end": {
              "local": "2017-11-24T11:58:44-08:00",
              "utc": "2017-11-24T19:58:44Z",
              "ms": 1511553524231.2844
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 16:05 on Thu 23 Nov to 18:28 on Fri 24 Nov.",
          "fact": "2017-11-24T00:04:37Z → 2017-11-25T02:27:51Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 23rd, 11:11–11:59 on the 24th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 14771 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī, Tijuana, 2017: Friday 24 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": "2017-11-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-11-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Skanda Ṣaṣṭhī 2017 falls on Friday 24 November. Ṣaṣṭhī runs from 16:05 on Thu 23 Nov to 18:28 on Fri 24 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/mitra-saptami",
      "festival": "mitra-saptami",
      "name": "Mitra Saptamī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-11-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23346,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2017-11-24T18:27:51-08:00",
          "utc": "2017-11-25T02:27:51Z",
          "ms": 1511576870542.9087
        },
        "end": {
          "local": "2017-11-25T20:21:15-08:00",
          "utc": "2017-11-26T04:21:15Z",
          "ms": 1511670075083.1958
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-11-24T18:27:51-08:00",
          "utc": "2017-11-25T02:27:51Z",
          "ms": 1511576870542.9087
        },
        "end": {
          "local": "2017-11-25T20:21:15-08:00",
          "utc": "2017-11-26T04:21:15Z",
          "ms": 1511670075083.1958
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-11-24",
          "window": {
            "start": {
              "local": "2017-11-24T11:10:44-08:00",
              "utc": "2017-11-24T19:10:44Z",
              "ms": 1511550644231.2844
            },
            "end": {
              "local": "2017-11-24T11:58:44-08:00",
              "utc": "2017-11-24T19:58:44Z",
              "ms": 1511553524231.2844
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-11-25",
          "window": {
            "start": {
              "local": "2017-11-25T11:11:03-08:00",
              "utc": "2017-11-25T19:11:03Z",
              "ms": 1511637062792.4663
            },
            "end": {
              "local": "2017-11-25T11:59:03-08:00",
              "utc": "2017-11-25T19:59:03Z",
              "ms": 1511639942792.4663
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 18:28 on Fri 24 Nov to 20:21 on Sat 25 Nov.",
          "fact": "2017-11-25T02:27:51Z → 2017-11-26T04:21:15Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:11–11:59 on the 24th, 11:11–11:59 on the 25th.",
          "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 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 23346 s"
        },
        {
          "step": "ruling",
          "text": "Mitra Saptamī, Tijuana, 2017: Saturday 25 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": "2017-11-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-11-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Mitra Saptamī 2017 falls on Saturday 25 November. Saptamī runs from 18:28 on Fri 24 Nov to 20:21 on Sat 25 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/ekadashi?on=2017-11-29",
      "festival": "ekadashi",
      "name": "Mokṣadā Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-11-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32935,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-11-28T21:21:45-08:00",
          "utc": "2017-11-29T05:21:45Z",
          "ms": 1511932905313.5195
        },
        "end": {
          "local": "2017-11-29T19:56:16-08:00",
          "utc": "2017-11-30T03:56:16Z",
          "ms": 1512014176451.6934
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-11-28T21:21:45-08:00",
          "utc": "2017-11-29T05:21:45Z",
          "ms": 1511932905313.5195
        },
        "end": {
          "local": "2017-11-29T19:56:16-08:00",
          "utc": "2017-11-30T03:56:16Z",
          "ms": 1512014176451.6934
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-11-29",
          "window": {
            "start": {
              "local": "2017-11-29T06:30:40-08:00",
              "utc": "2017-11-29T14:30:40Z",
              "ms": 1511965840379.645
            },
            "end": {
              "local": "2017-11-29T06:30:40-08:00",
              "utc": "2017-11-29T14:30:40Z",
              "ms": 1511965840379.645
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2017-11-30",
          "window": {
            "start": {
              "local": "2017-11-30T06:31:31-08:00",
              "utc": "2017-11-30T14:31:31Z",
              "ms": 1512052291242.1143
            },
            "end": {
              "local": "2017-11-30T06:31:31-08:00",
              "utc": "2017-11-30T14:31:31Z",
              "ms": 1512052291242.1143
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 21:22 on Tue 28 Nov to 19:56 on Wed 29 Nov.",
          "fact": "2017-11-29T05:21:45Z → 2017-11-30T03:56:16Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:31 on the 29th and 06:32 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 32935 s"
        },
        {
          "step": "ruling",
          "text": "Mokṣadā Ekādaśī, Tijuana, 2017: Wednesday 29 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": "2017-11-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-11-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Mokṣadā Ekādaśī 2017 falls on Wednesday 29 November. Ekādaśī runs from 21:22 on Tue 28 Nov to 19:56 on Wed 29 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-11-29",
      "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/2017/akhanda-dvadashi",
      "festival": "akhanda-dvadashi",
      "name": "Akhaṇḍa Dvādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-11-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20533,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2017-11-29T19:56:16-08:00",
          "utc": "2017-11-30T03:56:16Z",
          "ms": 1512014176451.6934
        },
        "end": {
          "local": "2017-11-30T17:42:59-08:00",
          "utc": "2017-12-01T01:42:59Z",
          "ms": 1512092579288.646
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-11-29T19:56:16-08:00",
          "utc": "2017-11-30T03:56:16Z",
          "ms": 1512014176451.6934
        },
        "end": {
          "local": "2017-11-30T17:42:59-08:00",
          "utc": "2017-12-01T01:42:59Z",
          "ms": 1512092579288.646
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-11-29",
          "window": {
            "start": {
              "local": "2017-11-29T11:12:24-08:00",
              "utc": "2017-11-29T19:12:24Z",
              "ms": 1511982744146.2803
            },
            "end": {
              "local": "2017-11-29T12:00:24-08:00",
              "utc": "2017-11-29T20:00:24Z",
              "ms": 1511985624146.2803
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2017-11-30",
          "window": {
            "start": {
              "local": "2017-11-30T11:12:46-08:00",
              "utc": "2017-11-30T19:12:46Z",
              "ms": 1512069166174.8467
            },
            "end": {
              "local": "2017-11-30T12:00:46-08:00",
              "utc": "2017-11-30T20:00:46Z",
              "ms": 1512072046174.8467
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 19:56 on Wed 29 Nov to 17:43 on Thu 30 Nov.",
          "fact": "2017-11-30T03:56:16Z → 2017-12-01T01:42:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:12–12:00 on the 29th, 11:13–12:01 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 20533 s"
        },
        {
          "step": "ruling",
          "text": "Akhaṇḍa Dvādaśī, Tijuana, 2017: Thursday 30 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": "2017-11-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-11-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Akhaṇḍa Dvādaśī 2017 falls on Thursday 30 November. Dvādaśī runs from 19:56 on Wed 29 Nov to 17:43 on Thu 30 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/pradosha-vrata?on=2017-11-30",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-11-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2985,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-11-30T17:42:59-08:00",
          "utc": "2017-12-01T01:42:59Z",
          "ms": 1512092579288.646
        },
        "end": {
          "local": "2017-12-01T14:50:04-08:00",
          "utc": "2017-12-01T22:50:04Z",
          "ms": 1512168604408.5723
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-11-30T17:42:59-08:00",
          "utc": "2017-12-01T01:42:59Z",
          "ms": 1512092579288.646
        },
        "end": {
          "local": "2017-12-01T14:50:04-08:00",
          "utc": "2017-12-01T22:50:04Z",
          "ms": 1512168604408.5723
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-11-30",
          "window": {
            "start": {
              "local": "2017-11-30T16:42:01-08:00",
              "utc": "2017-12-01T00:42:01Z",
              "ms": 1512088921107.5789
            },
            "end": {
              "local": "2017-11-30T18:32:44-08:00",
              "utc": "2017-12-01T02:32:44Z",
              "ms": 1512095563835.5474
            }
          },
          "covered_min": 50,
          "window_min": 111,
          "qualifies": true
        },
        {
          "local_date": "2017-12-01",
          "window": {
            "start": {
              "local": "2017-12-01T16:41:56-08:00",
              "utc": "2017-12-02T00:41:56Z",
              "ms": 1512175316120.9482
            },
            "end": {
              "local": "2017-12-01T18:32:46-08:00",
              "utc": "2017-12-02T02:32:46Z",
              "ms": 1512181966146.9233
            }
          },
          "covered_min": 0,
          "window_min": 111,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 17:43 on Thu 30 Nov to 14:50 on Fri 1 Dec.",
          "fact": "2017-12-01T01:42:59Z → 2017-12-01T22:50:04Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:42–18:33 on the 30th, 16:42–18:33 on the 1st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 50 of 111 minutes on the 30th and 0 of 111 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2985 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Tijuana, 2017: Thursday 30 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": "2017-11-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-11-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śukla Pradoṣa Vrata 2017 falls on Thursday 30 November. Trayodaśī runs from 17:43 on Thu 30 Nov to 14:50 on Fri 1 Dec and covers 50 of 111 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-11-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/dattatreyotpatti",
      "festival": "dattatreyotpatti",
      "name": "Dattātreyotpatti",
      "everyday": "Datta Jayanti",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-12-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18853,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2017-12-02T11:27:40-08:00",
          "utc": "2017-12-02T19:27:40Z",
          "ms": 1512242860278.5981
        },
        "end": {
          "local": "2017-12-03T07:46:58-08:00",
          "utc": "2017-12-03T15:46:58Z",
          "ms": 1512316018286.949
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-12-02T11:27:40-08:00",
          "utc": "2017-12-02T19:27:40Z",
          "ms": 1512242860278.5981
        },
        "end": {
          "local": "2017-12-03T07:46:58-08:00",
          "utc": "2017-12-03T15:46:58Z",
          "ms": 1512316018286.949
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-12-02",
          "window": {
            "start": {
              "local": "2017-12-02T16:41:53-08:00",
              "utc": "2017-12-03T00:41:53Z",
              "ms": 1512261712957.7625
            },
            "end": {
              "local": "2017-12-02T18:32:50-08:00",
              "utc": "2017-12-03T02:32:50Z",
              "ms": 1512268369956.544
            }
          },
          "covered_min": 111,
          "window_min": 111,
          "qualifies": true
        },
        {
          "local_date": "2017-12-03",
          "window": {
            "start": {
              "local": "2017-12-03T16:41:52-08:00",
              "utc": "2017-12-04T00:41:52Z",
              "ms": 1512348111621.6697
            },
            "end": {
              "local": "2017-12-03T18:32:55-08:00",
              "utc": "2017-12-04T02:32:55Z",
              "ms": 1512354775262.4338
            }
          },
          "covered_min": 0,
          "window_min": 111,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 11:28 on Sat 2 Dec to 07:47 on Sun 3 Dec.",
          "fact": "2017-12-02T19:27:40Z → 2017-12-03T15:46:58Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:42–18:33 on the 2nd, 16:42–18:33 on the 3rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 111 of 111 minutes on the 2nd and 0 of 111 on the 3rd.",
          "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 18853 s"
        },
        {
          "step": "ruling",
          "text": "Dattātreyotpatti, Tijuana, 2017: Saturday 2 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "dattatreyotpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Dattatreyotpatti (pradosa)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-12-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-12-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Dattātreyotpatti (Datta Jayanti) 2017 falls on Saturday 2 December. Pūrṇimā runs from 11:28 on Sat 2 Dec to 07:47 on Sun 3 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/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/2017/sankashta-chaturthi?on=2017-12-05",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-12-05",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 5350,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-12-05T20:48:48-08:00",
          "utc": "2017-12-06T04:48:48Z",
          "ms": 1512535727653.6655
        },
        "end": {
          "local": "2017-12-06T17:45:38-08:00",
          "utc": "2017-12-07T01:45:38Z",
          "ms": 1512611138429.3843
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-12-05T20:48:48-08:00",
          "utc": "2017-12-06T04:48:48Z",
          "ms": 1512535727653.6655
        },
        "end": {
          "local": "2017-12-06T17:45:38-08:00",
          "utc": "2017-12-07T01:45:38Z",
          "ms": 1512611138429.3843
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2017-12-05",
          "window": {
            "start": {
              "local": "2017-12-05T19:19:38-08:00",
              "utc": "2017-12-06T03:19:38Z",
              "ms": 1512530377832.5107
            },
            "end": {
              "local": "2017-12-05T19:19:38-08:00",
              "utc": "2017-12-06T03:19:38Z",
              "ms": 1512530377832.5107
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-12-06",
          "window": {
            "start": {
              "local": "2017-12-06T20:25:21-08:00",
              "utc": "2017-12-07T04:25:21Z",
              "ms": 1512620721259.8093
            },
            "end": {
              "local": "2017-12-06T20:25:21-08:00",
              "utc": "2017-12-07T04:25:21Z",
              "ms": 1512620721259.8093
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 20:49 on Tue 5 Dec to 17:46 on Wed 6 Dec.",
          "fact": "2017-12-06T04:48:48Z → 2017-12-07T01:45:38Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:20 on the 5th and 20:25 on the 6th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 5th and is not on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither moonrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 5350 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Tijuana, 2017: Tuesday 5 December.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-12-05",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-12-05",
          "confidence": "boundary"
        }
      ],
      "quote": "In Tijuana, Saṅkaṣṭa Caturthī 2017 falls on Tuesday 5 December. Caturthī runs from 20:49 on Tue 5 Dec to 17:46 on Wed 6 Dec, and is current at moonrise on neither day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/sankashta-chaturthi?on=2017-12-05",
      "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/2017/ekadashi?on=2017-12-13",
      "festival": "ekadashi",
      "name": "Saphalā Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-12-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21468,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-12-12T12:38:37-08:00",
          "utc": "2017-12-12T20:38:37Z",
          "ms": 1513111116537.613
        },
        "end": {
          "local": "2017-12-13T13:55:39-08:00",
          "utc": "2017-12-13T21:55:39Z",
          "ms": 1513202138656.9216
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-12-12T12:38:37-08:00",
          "utc": "2017-12-12T20:38:37Z",
          "ms": 1513111116537.613
        },
        "end": {
          "local": "2017-12-13T13:55:39-08:00",
          "utc": "2017-12-13T21:55:39Z",
          "ms": 1513202138656.9216
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-12-12",
          "window": {
            "start": {
              "local": "2017-12-12T06:40:48-08:00",
              "utc": "2017-12-12T14:40:48Z",
              "ms": 1513089648290.846
            },
            "end": {
              "local": "2017-12-12T06:40:48-08:00",
              "utc": "2017-12-12T14:40:48Z",
              "ms": 1513089648290.846
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-12-13",
          "window": {
            "start": {
              "local": "2017-12-13T06:41:29-08:00",
              "utc": "2017-12-13T14:41:29Z",
              "ms": 1513176088993.22
            },
            "end": {
              "local": "2017-12-13T06:41:29-08:00",
              "utc": "2017-12-13T14:41:29Z",
              "ms": 1513176088993.22
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 12:39 on Tue 12 Dec to 13:56 on Wed 13 Dec.",
          "fact": "2017-12-12T20:38:37Z → 2017-12-13T21:55:39Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:41 on the 12th and 06:41 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 21468 s"
        },
        {
          "step": "ruling",
          "text": "Saphalā Ekādaśī, Tijuana, 2017: Wednesday 13 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": "2017-12-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-12-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Saphalā Ekādaśī 2017 falls on Wednesday 13 December. Ekādaśī runs from 12:39 on Tue 12 Dec to 13:56 on Wed 13 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-12-13",
      "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/2017/pradosha-vrata?on=2017-12-14",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-12-14",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 3306,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-12-14T15:38:02-08:00",
          "utc": "2017-12-14T23:38:02Z",
          "ms": 1513294681603.7173
        },
        "end": {
          "local": "2017-12-15T17:40:47-08:00",
          "utc": "2017-12-16T01:40:47Z",
          "ms": 1513388446951.9421
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-12-14T15:38:02-08:00",
          "utc": "2017-12-14T23:38:02Z",
          "ms": 1513294681603.7173
        },
        "end": {
          "local": "2017-12-15T17:40:47-08:00",
          "utc": "2017-12-16T01:40:47Z",
          "ms": 1513388446951.9421
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-12-14",
          "window": {
            "start": {
              "local": "2017-12-14T16:43:37-08:00",
              "utc": "2017-12-15T00:43:37Z",
              "ms": 1513298616657.819
            },
            "end": {
              "local": "2017-12-14T18:35:30-08:00",
              "utc": "2017-12-15T02:35:30Z",
              "ms": 1513305330047.7698
            }
          },
          "covered_min": 112,
          "window_min": 112,
          "qualifies": true
        },
        {
          "local_date": "2017-12-15",
          "window": {
            "start": {
              "local": "2017-12-15T16:43:57-08:00",
              "utc": "2017-12-16T00:43:57Z",
              "ms": 1513385036776.7131
            },
            "end": {
              "local": "2017-12-15T18:35:52-08:00",
              "utc": "2017-12-16T02:35:52Z",
              "ms": 1513391752456.8591
            }
          },
          "covered_min": 57,
          "window_min": 112,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 15:38 on Thu 14 Dec to 17:41 on Fri 15 Dec.",
          "fact": "2017-12-14T23:38:02Z → 2017-12-16T01:40:47Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:44–18:36 on the 14th, 16:44–18:36 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 112 of 112 minutes on the 14th and 57 of 112 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 3306 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Tijuana, 2017: Thursday 14 December.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2017-12-14",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-12-14",
          "confidence": "boundary"
        }
      ],
      "quote": "In Tijuana, Kṛṣṇa Pradoṣa Vrata 2017 falls on Thursday 14 December. Trayodaśī runs from 15:38 on Thu 14 Dec to 17:41 on Fri 15 Dec and covers all of pradoṣa that evening. It also reaches the next evening for 57 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-12-14",
      "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/2017/shivaratri?on=2017-12-15",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-12-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12036,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2017-12-15T17:40:47-08:00",
          "utc": "2017-12-16T01:40:47Z",
          "ms": 1513388446951.9421
        },
        "end": {
          "local": "2017-12-16T19:59:34-08:00",
          "utc": "2017-12-17T03:59:34Z",
          "ms": 1513483173942.451
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-12-15T17:40:47-08:00",
          "utc": "2017-12-16T01:40:47Z",
          "ms": 1513388446951.9421
        },
        "end": {
          "local": "2017-12-16T19:59:34-08:00",
          "utc": "2017-12-17T03:59:34Z",
          "ms": 1513483173942.451
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2017-12-15",
          "window": {
            "start": {
              "local": "2017-12-15T23:19:41-08:00",
              "utc": "2017-12-16T07:19:41Z",
              "ms": 1513408780577.2603
            },
            "end": {
              "local": "2017-12-16T00:07:41-08:00",
              "utc": "2017-12-16T08:07:41Z",
              "ms": 1513411660577.2603
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-12-16",
          "window": {
            "start": {
              "local": "2017-12-16T23:20:10-08:00",
              "utc": "2017-12-17T07:20:10Z",
              "ms": 1513495209506.1729
            },
            "end": {
              "local": "2017-12-17T00:08:10-08:00",
              "utc": "2017-12-17T08:08:10Z",
              "ms": 1513498089506.1729
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 17:41 on Fri 15 Dec to 20:00 on Sat 16 Dec.",
          "fact": "2017-12-16T01:40:47Z → 2017-12-17T03:59:34Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:20–00:08 on the 15th, 23:20–00:08 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 12036 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Tijuana, 2017: Friday 15 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": "2017-12-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-12-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śivarātri 2017 falls on Friday 15 December. Caturdaśī runs from 17:41 on Fri 15 Dec to 20:00 on Sat 16 Dec and covers all of niśītha that night.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/shivaratri?on=2017-12-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/vinayaka-chaturthi?on=2017-12-21",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-12-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9000,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2017-12-21T06:28:01-08:00",
          "utc": "2017-12-21T14:28:01Z",
          "ms": 1513866481443.7744
        },
        "end": {
          "local": "2017-12-22T08:52:52-08:00",
          "utc": "2017-12-22T16:52:52Z",
          "ms": 1513961571597.0344
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-12-21T06:28:01-08:00",
          "utc": "2017-12-21T14:28:01Z",
          "ms": 1513866481443.7744
        },
        "end": {
          "local": "2017-12-22T08:52:52-08:00",
          "utc": "2017-12-22T16:52:52Z",
          "ms": 1513961571597.0344
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2017-12-21",
          "window": {
            "start": {
              "local": "2017-12-21T11:22:22-08:00",
              "utc": "2017-12-21T19:22:22Z",
              "ms": 1513884141540.0762
            },
            "end": {
              "local": "2017-12-21T12:10:22-08:00",
              "utc": "2017-12-21T20:10:22Z",
              "ms": 1513887021540.0762
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2017-12-22",
          "window": {
            "start": {
              "local": "2017-12-22T11:22:52-08:00",
              "utc": "2017-12-22T19:22:52Z",
              "ms": 1513970571760.9253
            },
            "end": {
              "local": "2017-12-22T12:10:52-08:00",
              "utc": "2017-12-22T20:10:52Z",
              "ms": 1513973451760.9253
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:28 on Thu 21 Dec to 08:53 on Fri 22 Dec.",
          "fact": "2017-12-21T14:28:01Z → 2017-12-22T16:52:52Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 21st, 11:23–12:11 on the 22nd.",
          "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 21st and 0 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 9000 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Tijuana, 2017: Thursday 21 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": "2017-12-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-12-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Vināyaka Caturthī 2017 falls on Thursday 21 December. Caturthī runs from 06:28 on Thu 21 Dec to 08:53 on Fri 22 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/vinayaka-chaturthi?on=2017-12-21",
      "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/2017/ekadashi?on=2017-12-29",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-12-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5715,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2017-12-28T10:46:58-08:00",
          "utc": "2017-12-28T18:46:58Z",
          "ms": 1514486818229.19
        },
        "end": {
          "local": "2017-12-29T08:24:38-08:00",
          "utc": "2017-12-29T16:24:38Z",
          "ms": 1514564678266.6165
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-12-28T10:46:58-08:00",
          "utc": "2017-12-28T18:46:58Z",
          "ms": 1514486818229.19
        },
        "end": {
          "local": "2017-12-29T08:24:38-08:00",
          "utc": "2017-12-29T16:24:38Z",
          "ms": 1514564678266.6165
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2017-12-28",
          "window": {
            "start": {
              "local": "2017-12-28T06:49:05-08:00",
              "utc": "2017-12-28T14:49:05Z",
              "ms": 1514472544555.3325
            },
            "end": {
              "local": "2017-12-28T06:49:05-08:00",
              "utc": "2017-12-28T14:49:05Z",
              "ms": 1514472544555.3325
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2017-12-29",
          "window": {
            "start": {
              "local": "2017-12-29T06:49:23-08:00",
              "utc": "2017-12-29T14:49:23Z",
              "ms": 1514558962867.629
            },
            "end": {
              "local": "2017-12-29T06:49:23-08:00",
              "utc": "2017-12-29T14:49:23Z",
              "ms": 1514558962867.629
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 10:47 on Thu 28 Dec to 08:25 on Fri 29 Dec.",
          "fact": "2017-12-28T18:46:58Z → 2017-12-29T16:24:38Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:49 on the 28th and 06:49 on the 29th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 5715 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Tijuana, 2017: Friday 29 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": "2017-12-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-12-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Putradā Ekādaśī 2017 falls on Friday 29 December. Ekādaśī runs from 10:47 on Thu 28 Dec to 08:25 on Fri 29 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/ekadashi?on=2017-12-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/tijuana/festivals/2017/pradosha-vrata?on=2017-12-30",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3981609",
      "year": 2017,
      "local_date": "2017-12-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26095,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2017-12-30T05:25:27-08:00",
          "utc": "2017-12-30T13:25:27Z",
          "ms": 1514640327221.4104
        },
        "end": {
          "local": "2017-12-31T01:58:39-08:00",
          "utc": "2017-12-31T09:58:39Z",
          "ms": 1514714318508.5815
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2017-12-30T05:25:27-08:00",
          "utc": "2017-12-30T13:25:27Z",
          "ms": 1514640327221.4104
        },
        "end": {
          "local": "2017-12-31T01:58:39-08:00",
          "utc": "2017-12-31T09:58:39Z",
          "ms": 1514714318508.5815
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2017-12-29",
          "window": {
            "start": {
              "local": "2017-12-29T16:51:19-08:00",
              "utc": "2017-12-30T00:51:19Z",
              "ms": 1514595078646.1924
            },
            "end": {
              "local": "2017-12-29T18:43:05-08:00",
              "utc": "2017-12-30T02:43:05Z",
              "ms": 1514601785427.6858
            }
          },
          "covered_min": 0,
          "window_min": 112,
          "qualifies": false
        },
        {
          "local_date": "2017-12-30",
          "window": {
            "start": {
              "local": "2017-12-30T16:52:00-08:00",
              "utc": "2017-12-31T00:52:00Z",
              "ms": 1514681520168.5251
            },
            "end": {
              "local": "2017-12-30T18:43:43-08:00",
              "utc": "2017-12-31T02:43:43Z",
              "ms": 1514688223407.1067
            }
          },
          "covered_min": 112,
          "window_min": 112,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 05:25 on Sat 30 Dec to 01:59 on Sun 31 Dec.",
          "fact": "2017-12-30T13:25:27Z → 2017-12-31T09:58:39Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:51–18:43 on the 29th, 16:52–18:44 on the 30th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 112 minutes on the 29th and 112 of 112 on the 30th.",
          "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 26095 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Tijuana, 2017: Saturday 30 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": "2017-12-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2017-12-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Tijuana, Śukla Pradoṣa Vrata 2017 falls on Saturday 30 December. Trayodaśī runs from 05:25 on Sat 30 Dec to 01:59 on Sun 31 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/tijuana/festivals/2017/pradosha-vrata?on=2017-12-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    }
  ],
  "engine": {
    "version": "0.1.0",
    "ruleset": "2026.3-draft",
    "kernel": "de440-1900-2100",
    "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
    "tzdata": "2026f"
  }
}
