{
  "id": "/abu-dhabi/festivals/2004",
  "place": {
    "id": "292968",
    "slug": "abu-dhabi",
    "name": "Abu Dhabi",
    "region": "United Arab Emirates",
    "country": "AE",
    "lat": 24.45118,
    "lon": 54.39696,
    "elevation_m": 6,
    "tz": "Asia/Dubai"
  },
  "year": 2004,
  "tradition": "smarta",
  "method": "pac-rp@2026.1",
  "ruleset": "2026.3-draft",
  "rulings": [
    {
      "id": "/abu-dhabi/festivals/2004/ekadashi?on=2004-01-03",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-01-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 948,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-01-02T07:22:30+04:00",
          "utc": "2004-01-02T03:22:30Z",
          "ms": 1073013750280.8002
        },
        "end": {
          "local": "2004-01-03T10:07:31+04:00",
          "utc": "2004-01-03T06:07:31Z",
          "ms": 1073110050720.0292
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-01-02T07:22:30+04:00",
          "utc": "2004-01-02T03:22:30Z",
          "ms": 1073013750280.8002
        },
        "end": {
          "local": "2004-01-03T10:07:31+04:00",
          "utc": "2004-01-03T06:07:31Z",
          "ms": 1073110050720.0292
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-01-02",
          "window": {
            "start": {
              "local": "2004-01-02T07:06:42+04:00",
              "utc": "2004-01-02T03:06:42Z",
              "ms": 1073012801822.3203
            },
            "end": {
              "local": "2004-01-02T07:06:42+04:00",
              "utc": "2004-01-02T03:06:42Z",
              "ms": 1073012801822.3203
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-01-03",
          "window": {
            "start": {
              "local": "2004-01-03T07:06:58+04:00",
              "utc": "2004-01-03T03:06:58Z",
              "ms": 1073099218469.4366
            },
            "end": {
              "local": "2004-01-03T07:06:58+04:00",
              "utc": "2004-01-03T03:06:58Z",
              "ms": 1073099218469.4366
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 07:23 on Fri 2 Jan to 10:08 on Sat 3 Jan.",
          "fact": "2004-01-02T03:22:30Z → 2004-01-03T06:07:31Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:07 on the 2nd and 07:07 on the 3rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 948 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Abu Dhabi, 2004: Saturday 3 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-01-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-01-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Putradā Ekādaśī 2004 falls on Saturday 3 January. Ekādaśī runs from 07:23 on Fri 2 Jan to 10:08 on Sat 3 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-01-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-01-04",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-01-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8327,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-01-04T12:53:23+04:00",
          "utc": "2004-01-04T08:53:23Z",
          "ms": 1073206402901.0789
        },
        "end": {
          "local": "2004-01-05T15:28:52+04:00",
          "utc": "2004-01-05T11:28:52Z",
          "ms": 1073302131677.0594
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-01-04T12:53:23+04:00",
          "utc": "2004-01-04T08:53:23Z",
          "ms": 1073206402901.0789
        },
        "end": {
          "local": "2004-01-05T15:28:52+04:00",
          "utc": "2004-01-05T11:28:52Z",
          "ms": 1073302131677.0594
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-01-04",
          "window": {
            "start": {
              "local": "2004-01-04T17:46:58+04:00",
              "utc": "2004-01-04T13:46:58Z",
              "ms": 1073224017565.9229
            },
            "end": {
              "local": "2004-01-04T19:33:42+04:00",
              "utc": "2004-01-04T15:33:42Z",
              "ms": 1073230421590.8567
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        },
        {
          "local_date": "2004-01-05",
          "window": {
            "start": {
              "local": "2004-01-05T17:47:38+04:00",
              "utc": "2004-01-05T13:47:38Z",
              "ms": 1073310458368.6718
            },
            "end": {
              "local": "2004-01-05T19:34:19+04:00",
              "utc": "2004-01-05T15:34:19Z",
              "ms": 1073316858633.9454
            }
          },
          "covered_min": 0,
          "window_min": 107,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 12:53 on Sun 4 Jan to 15:29 on Mon 5 Jan.",
          "fact": "2004-01-04T08:53:23Z → 2004-01-05T11:28:52Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:47–19:34 on the 4th, 17:48–19:34 on the 5th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 107 of 107 minutes on the 4th and 0 of 107 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8327 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2004: Sunday 4 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": "2004-01-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-01-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2004 falls on Sunday 4 January. Trayodaśī runs from 12:53 on Sun 4 Jan to 15:29 on Mon 5 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-01-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-01-11",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-01-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6283,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-01-10T22:53:07+04:00",
          "utc": "2004-01-10T18:53:07Z",
          "ms": 1073760787367.7893
        },
        "end": {
          "local": "2004-01-11T23:08:26+04:00",
          "utc": "2004-01-11T19:08:26Z",
          "ms": 1073848105990.1179
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-01-10T22:53:07+04:00",
          "utc": "2004-01-10T18:53:07Z",
          "ms": 1073760787367.7893
        },
        "end": {
          "local": "2004-01-11T23:08:26+04:00",
          "utc": "2004-01-11T19:08:26Z",
          "ms": 1073848105990.1179
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-01-10",
          "window": {
            "start": {
              "local": "2004-01-10T20:26:33+04:00",
              "utc": "2004-01-10T16:26:33Z",
              "ms": 1073751992718.8916
            },
            "end": {
              "local": "2004-01-10T20:26:33+04:00",
              "utc": "2004-01-10T16:26:33Z",
              "ms": 1073751992718.8916
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-01-11",
          "window": {
            "start": {
              "local": "2004-01-11T21:23:43+04:00",
              "utc": "2004-01-11T17:23:43Z",
              "ms": 1073841822509.4023
            },
            "end": {
              "local": "2004-01-11T21:23:43+04:00",
              "utc": "2004-01-11T17:23:43Z",
              "ms": 1073841822509.4023
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:53 on Sat 10 Jan to 23:08 on Sun 11 Jan.",
          "fact": "2004-01-10T18:53:07Z → 2004-01-11T19:08:26Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:27 on the 10th and 21:24 on the 11th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 10th and is on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 6283 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2004: Sunday 11 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": "2004-01-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-01-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2004 falls on Sunday 11 January. Caturthī runs from 22:53 on Sat 10 Jan to 23:08 on Sun 11 Jan and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-01-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/bhogi",
      "festival": "bhogi",
      "name": "Bhogi",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15522,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2004-01-14T22:12:46+04:00",
          "utc": "2004-01-14T18:12:46Z",
          "ms": 1074103966225.0189
        },
        "end": {
          "local": "2004-02-13T11:11:03+04:00",
          "utc": "2004-02-13T07:11:03Z",
          "ms": 1076656263005.8335
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2004-01-14T22:12:46+04:00",
          "utc": "2004-01-14T18:12:46Z",
          "ms": 1074103966225.0189
        },
        "end": {
          "local": "2004-01-14T22:12:46+04:00",
          "utc": "2004-01-14T18:12:46Z",
          "ms": 1074103966225.0189
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2004-01-14",
          "window": {
            "start": {
              "local": "2004-01-13T17:53:20+04:00",
              "utc": "2004-01-13T13:53:20Z",
              "ms": 1074001999754.7701
            },
            "end": {
              "local": "2004-01-14T17:54:04+04:00",
              "utc": "2004-01-14T13:54:04Z",
              "ms": 1074088443774.1031
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "2004-01-15",
          "window": {
            "start": {
              "local": "2004-01-14T17:54:04+04:00",
              "utc": "2004-01-14T13:54:04Z",
              "ms": 1074088443774.1031
            },
            "end": {
              "local": "2004-01-15T17:54:48+04:00",
              "utc": "2004-01-15T13:54:48Z",
              "ms": 1074174887978.8563
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2004-01-15",
        "days": -1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 22:13 on Wed 14 Jan.",
          "fact": "2004-01-14T18:12:46Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:54, and the day of the 15th ends at 17:55.",
          "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunset → only-day · margin 15522 s"
        },
        {
          "step": "counted",
          "text": "Bhogi is kept the day before Pongal: Thursday 15 January is the day taken above.",
          "fact": "follows: pongal − 1 d"
        },
        {
          "step": "ruling",
          "text": "Bhogi, Abu Dhabi, 2004: Wednesday 14 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "bhogi",
        "follows": {
          "festival": "pongal",
          "days": -1
        },
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2004-01-13",
          "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": "2004-01-13",
          "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 Abu Dhabi, Bhogi 2004 falls on Wednesday 14 January. It is kept the day before Pongal, which falls on Thursday 15 January. The Sun enters Makara at 22:13 on Wed 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 13 January.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/makara-sankranti",
      "festival": "makara-sankranti",
      "name": "Makara Saṅkrānti",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6434,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2004-01-14T22:12:46+04:00",
          "utc": "2004-01-14T18:12:46Z",
          "ms": 1074103966225.0189
        },
        "end": {
          "local": "2004-02-13T11:11:03+04:00",
          "utc": "2004-02-13T07:11:03Z",
          "ms": 1076656263005.8335
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2004-01-14T22:12:46+04:00",
          "utc": "2004-01-14T18:12:46Z",
          "ms": 1074103966225.0189
        },
        "end": {
          "local": "2004-01-14T22:12:46+04:00",
          "utc": "2004-01-14T18:12:46Z",
          "ms": 1074103966225.0189
        }
      },
      "kaala": "civil-day",
      "days": [
        {
          "local_date": "2004-01-14",
          "window": {
            "start": {
              "local": "2004-01-14T00:00:00+04:00",
              "utc": "2004-01-13T20:00:00Z",
              "ms": 1074024000000
            },
            "end": {
              "local": "2004-01-15T00:00:00+04:00",
              "utc": "2004-01-14T20:00:00Z",
              "ms": 1074110400000
            }
          },
          "covered_min": 1,
          "window_min": 1440,
          "qualifies": true
        },
        {
          "local_date": "2004-01-15",
          "window": {
            "start": {
              "local": "2004-01-15T00:00:00+04:00",
              "utc": "2004-01-14T20:00:00Z",
              "ms": 1074110400000
            },
            "end": {
              "local": "2004-01-16T00:00:00+04:00",
              "utc": "2004-01-15T20:00:00Z",
              "ms": 1074196800000
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 22:13 on Wed 14 Jan.",
          "fact": "2004-01-14T18:12:46Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from midnight to midnight, on the clock of Abu Dhabi.",
          "fact": "civil-day: midnight-to-midnight · Asia/Dubai"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 14th, not the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from midnight → only-day · margin 6434 s"
        },
        {
          "step": "ruling",
          "text": "Makara Saṅkrānti, Abu Dhabi, 2004: Wednesday 14 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "makara-sankranti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "midnight"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "2004-01-14",
          "statement": "Counted from sunrise (the Orissa rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunset-rule",
          "local_date": "2004-01-15",
          "statement": "Past sunset, the next day (the Tamil rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        }
      ],
      "quote": "In Abu Dhabi, Makara Saṅkrānti 2004 falls on Wednesday 14 January. The Sun enters Makara at 22:13 on Wed 14 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 15 January.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/pongal",
      "festival": "pongal",
      "name": "Pongal",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15522,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2004-01-14T22:12:46+04:00",
          "utc": "2004-01-14T18:12:46Z",
          "ms": 1074103966225.0189
        },
        "end": {
          "local": "2004-02-13T11:11:03+04:00",
          "utc": "2004-02-13T07:11:03Z",
          "ms": 1076656263005.8335
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2004-01-14T22:12:46+04:00",
          "utc": "2004-01-14T18:12:46Z",
          "ms": 1074103966225.0189
        },
        "end": {
          "local": "2004-01-14T22:12:46+04:00",
          "utc": "2004-01-14T18:12:46Z",
          "ms": 1074103966225.0189
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2004-01-14",
          "window": {
            "start": {
              "local": "2004-01-13T17:53:20+04:00",
              "utc": "2004-01-13T13:53:20Z",
              "ms": 1074001999754.7701
            },
            "end": {
              "local": "2004-01-14T17:54:04+04:00",
              "utc": "2004-01-14T13:54:04Z",
              "ms": 1074088443774.1031
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "2004-01-15",
          "window": {
            "start": {
              "local": "2004-01-14T17:54:04+04:00",
              "utc": "2004-01-14T13:54:04Z",
              "ms": 1074088443774.1031
            },
            "end": {
              "local": "2004-01-15T17:54:48+04:00",
              "utc": "2004-01-15T13:54:48Z",
              "ms": 1074174887978.8563
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 22:13 on Wed 14 Jan.",
          "fact": "2004-01-14T18:12:46Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:54, and the day of the 15th ends at 17:55.",
          "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunset → only-day · margin 15522 s"
        },
        {
          "step": "ruling",
          "text": "Pongal, Abu Dhabi, 2004: Thursday 15 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "pongal",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.",
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2004-01-14",
          "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": "2004-01-14",
          "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 Abu Dhabi, Pongal 2004 falls on Thursday 15 January. The Sun enters Makara at 22:13 on Wed 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 14 January.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/mattu-pongal",
      "festival": "mattu-pongal",
      "name": "Mattu Pongal",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-01-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15522,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2004-01-14T22:12:46+04:00",
          "utc": "2004-01-14T18:12:46Z",
          "ms": 1074103966225.0189
        },
        "end": {
          "local": "2004-02-13T11:11:03+04:00",
          "utc": "2004-02-13T07:11:03Z",
          "ms": 1076656263005.8335
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2004-01-14T22:12:46+04:00",
          "utc": "2004-01-14T18:12:46Z",
          "ms": 1074103966225.0189
        },
        "end": {
          "local": "2004-01-14T22:12:46+04:00",
          "utc": "2004-01-14T18:12:46Z",
          "ms": 1074103966225.0189
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2004-01-14",
          "window": {
            "start": {
              "local": "2004-01-13T17:53:20+04:00",
              "utc": "2004-01-13T13:53:20Z",
              "ms": 1074001999754.7701
            },
            "end": {
              "local": "2004-01-14T17:54:04+04:00",
              "utc": "2004-01-14T13:54:04Z",
              "ms": 1074088443774.1031
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "2004-01-15",
          "window": {
            "start": {
              "local": "2004-01-14T17:54:04+04:00",
              "utc": "2004-01-14T13:54:04Z",
              "ms": 1074088443774.1031
            },
            "end": {
              "local": "2004-01-15T17:54:48+04:00",
              "utc": "2004-01-15T13:54:48Z",
              "ms": 1074174887978.8563
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2004-01-15",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 22:13 on Wed 14 Jan.",
          "fact": "2004-01-14T18:12:46Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:54, and the day of the 15th ends at 17:55.",
          "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 14th and the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunset → only-day · margin 15522 s"
        },
        {
          "step": "counted",
          "text": "Mattu Pongal is kept the day after Pongal: Thursday 15 January is the day taken above.",
          "fact": "follows: pongal + 1 d"
        },
        {
          "step": "ruling",
          "text": "Mattu Pongal, Abu Dhabi, 2004: Friday 16 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "mattu-pongal",
        "follows": {
          "festival": "pongal",
          "days": 1
        },
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-01-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-01-16",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2004-01-15",
          "statement": "Counted from midnight",
          "reference": {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "2004-01-15",
          "statement": "Counted from sunrise (the Orissa rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight."
          }
        }
      ],
      "quote": "In Abu Dhabi, Mattu Pongal 2004 falls on Friday 16 January. It is kept the day after Pongal, which falls on Thursday 15 January. The Sun enters Makara at 22:13 on Wed 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from midnight, or counted from sunrise, as in Orissa, it is 15 January.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ekadashi?on=2004-01-18",
      "festival": "ekadashi",
      "name": "Ṣaṭtilā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-01-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21602,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-01-17T15:47:56+04:00",
          "utc": "2004-01-17T11:47:56Z",
          "ms": 1074340075556.4989
        },
        "end": {
          "local": "2004-01-18T13:08:24+04:00",
          "utc": "2004-01-18T09:08:24Z",
          "ms": 1074416904205.611
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-01-17T15:47:56+04:00",
          "utc": "2004-01-17T11:47:56Z",
          "ms": 1074340075556.4989
        },
        "end": {
          "local": "2004-01-18T13:08:24+04:00",
          "utc": "2004-01-18T09:08:24Z",
          "ms": 1074416904205.611
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-01-17",
          "window": {
            "start": {
              "local": "2004-01-17T07:08:26+04:00",
              "utc": "2004-01-17T03:08:26Z",
              "ms": 1074308906355.7605
            },
            "end": {
              "local": "2004-01-17T07:08:26+04:00",
              "utc": "2004-01-17T03:08:26Z",
              "ms": 1074308906355.7605
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-01-18",
          "window": {
            "start": {
              "local": "2004-01-18T07:08:22+04:00",
              "utc": "2004-01-18T03:08:22Z",
              "ms": 1074395301970.6018
            },
            "end": {
              "local": "2004-01-18T07:08:22+04:00",
              "utc": "2004-01-18T03:08:22Z",
              "ms": 1074395301970.6018
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 15:48 on Sat 17 Jan to 13:08 on Sun 18 Jan.",
          "fact": "2004-01-17T11:47:56Z → 2004-01-18T09:08:24Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:08 on the 17th and 07:08 on the 18th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 17th and is on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 21602 s"
        },
        {
          "step": "ruling",
          "text": "Ṣaṭtilā Ekādaśī, Abu Dhabi, 2004: Sunday 18 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": "2004-01-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-01-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Ṣaṭtilā Ekādaśī 2004 falls on Sunday 18 January. Ekādaśī runs from 15:48 on Sat 17 Jan to 13:08 on Sun 18 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-01-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-01-19",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-01-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27910,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-01-19T10:12:36+04:00",
          "utc": "2004-01-19T06:12:36Z",
          "ms": 1074492756204.6688
        },
        "end": {
          "local": "2004-01-20T07:07:33+04:00",
          "utc": "2004-01-20T03:07:33Z",
          "ms": 1074568053215.8812
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-01-19T10:12:36+04:00",
          "utc": "2004-01-19T06:12:36Z",
          "ms": 1074492756204.6688
        },
        "end": {
          "local": "2004-01-20T07:07:33+04:00",
          "utc": "2004-01-20T03:07:33Z",
          "ms": 1074568053215.8812
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-01-19",
          "window": {
            "start": {
              "local": "2004-01-19T17:57:46+04:00",
              "utc": "2004-01-19T13:57:46Z",
              "ms": 1074520665951.6267
            },
            "end": {
              "local": "2004-01-19T19:43:09+04:00",
              "utc": "2004-01-19T15:43:09Z",
              "ms": 1074526989008.7659
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        },
        {
          "local_date": "2004-01-20",
          "window": {
            "start": {
              "local": "2004-01-20T17:58:31+04:00",
              "utc": "2004-01-20T13:58:31Z",
              "ms": 1074607110551.4369
            },
            "end": {
              "local": "2004-01-20T19:43:47+04:00",
              "utc": "2004-01-20T15:43:47Z",
              "ms": 1074613426500.8657
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 10:13 on Mon 19 Jan to 07:08 on Tue 20 Jan.",
          "fact": "2004-01-19T06:12:36Z → 2004-01-20T03:07:33Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:43 on the 19th, 17:59–19:44 on the 20th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 105 of 105 minutes on the 19th and 0 of 105 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 27910 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2004: Monday 19 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-01-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-01-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2004 falls on Monday 19 January. Trayodaśī runs from 10:13 on Mon 19 Jan to 07:08 on Tue 20 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-01-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/yama-tarpana",
      "festival": "yama-tarpana",
      "name": "Yama Tarpaṇa",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-01-20",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 36,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2004-01-20T07:07:33+04:00",
          "utc": "2004-01-20T03:07:33Z",
          "ms": 1074568053215.8812
        },
        "end": {
          "local": "2004-01-21T04:01:47+04:00",
          "utc": "2004-01-21T00:01:47Z",
          "ms": 1074643306551.957
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-01-20T07:07:33+04:00",
          "utc": "2004-01-20T03:07:33Z",
          "ms": 1074568053215.8812
        },
        "end": {
          "local": "2004-01-21T04:01:47+04:00",
          "utc": "2004-01-21T00:01:47Z",
          "ms": 1074643306551.957
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2004-01-20",
          "window": {
            "start": {
              "local": "2004-01-20T05:22:46+04:00",
              "utc": "2004-01-20T01:22:46Z",
              "ms": 1074561765823.0314
            },
            "end": {
              "local": "2004-01-20T07:08:09+04:00",
              "utc": "2004-01-20T03:08:09Z",
              "ms": 1074568088880.1705
            }
          },
          "covered_min": 1,
          "window_min": 105,
          "qualifies": true
        },
        {
          "local_date": "2004-01-21",
          "window": {
            "start": {
              "local": "2004-01-21T05:22:44+04:00",
              "utc": "2004-01-21T01:22:44Z",
              "ms": 1074648164222.7247
            },
            "end": {
              "local": "2004-01-21T07:08:00+04:00",
              "utc": "2004-01-21T03:08:00Z",
              "ms": 1074654480172.1536
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 07:08 on Tue 20 Jan to 04:02 on Wed 21 Jan.",
          "fact": "2004-01-20T03:07:33Z → 2004-01-21T00:01:47Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:23–07:08 on the 20th, 05:23–07:08 on the 21st.",
          "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during aruṇodaya. It covers 1 of 105 minutes on the 20th and 0 of 105 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one dawn qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 36 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Yama Tarpaṇa, Abu Dhabi, 2004: Tuesday 20 January.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2004-01-20",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-01-20",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Yama Tarpaṇa 2004 falls on Tuesday 20 January. Caturdaśī runs from 07:08 on Tue 20 Jan to 04:02 on Wed 21 Jan and covers 1 of 105 minutes of aruṇodaya that dawn. It is 0 min 36 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/shivaratri?on=2004-01-20",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-01-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11071,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2004-01-20T07:07:33+04:00",
          "utc": "2004-01-20T03:07:33Z",
          "ms": 1074568053215.8812
        },
        "end": {
          "local": "2004-01-21T04:01:47+04:00",
          "utc": "2004-01-21T00:01:47Z",
          "ms": 1074643306551.957
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-01-20T07:07:33+04:00",
          "utc": "2004-01-20T03:07:33Z",
          "ms": 1074568053215.8812
        },
        "end": {
          "local": "2004-01-21T04:01:47+04:00",
          "utc": "2004-01-21T00:01:47Z",
          "ms": 1074643306551.957
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2004-01-19",
          "window": {
            "start": {
              "local": "2004-01-20T00:08:57+04:00",
              "utc": "2004-01-19T20:08:57Z",
              "ms": 1074542937415.8987
            },
            "end": {
              "local": "2004-01-20T00:56:57+04:00",
              "utc": "2004-01-19T20:56:57Z",
              "ms": 1074545817415.8987
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-01-20",
          "window": {
            "start": {
              "local": "2004-01-21T00:09:15+04:00",
              "utc": "2004-01-20T20:09:15Z",
              "ms": 1074629355361.7952
            },
            "end": {
              "local": "2004-01-21T00:57:15+04:00",
              "utc": "2004-01-20T20:57:15Z",
              "ms": 1074632235361.7952
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 07:08 on Tue 20 Jan to 04:02 on Wed 21 Jan.",
          "fact": "2004-01-20T03:07:33Z → 2004-01-21T00:01:47Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 19th, 00:09–00:57 on the 20th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 11071 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2004: Tuesday 20 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-01-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-01-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2004 falls on Tuesday 20 January. Caturdaśī runs from 07:08 on Tue 20 Jan to 04:02 on Wed 21 Jan and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/shivaratri?on=2004-01-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/tila-chaturthi",
      "festival": "tila-chaturthi",
      "name": "Tila Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-01-24",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin",
        "tie-break-unstated"
      ],
      "boundary_margin_s": 243,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-01-24T18:49:21+04:00",
          "utc": "2004-01-24T14:49:21Z",
          "ms": 1074955761050.9529
        },
        "end": {
          "local": "2004-01-25T18:06:16+04:00",
          "utc": "2004-01-25T14:06:16Z",
          "ms": 1075039575860.7996
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-01-24T18:49:21+04:00",
          "utc": "2004-01-24T14:49:21Z",
          "ms": 1074955761050.9529
        },
        "end": {
          "local": "2004-01-25T18:06:16+04:00",
          "utc": "2004-01-25T14:06:16Z",
          "ms": 1075039575860.7996
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-01-24",
          "window": {
            "start": {
              "local": "2004-01-24T18:01:28+04:00",
              "utc": "2004-01-24T14:01:28Z",
              "ms": 1074952888278.1202
            },
            "end": {
              "local": "2004-01-24T19:46:14+04:00",
              "utc": "2004-01-24T15:46:14Z",
              "ms": 1074959173964.5629
            }
          },
          "covered_min": 57,
          "window_min": 105,
          "qualifies": true
        },
        {
          "local_date": "2004-01-25",
          "window": {
            "start": {
              "local": "2004-01-25T18:02:12+04:00",
              "utc": "2004-01-25T14:02:12Z",
              "ms": 1075039332372.8633
            },
            "end": {
              "local": "2004-01-25T19:46:50+04:00",
              "utc": "2004-01-25T15:46:50Z",
              "ms": 1075045610060.365
            }
          },
          "covered_min": 4,
          "window_min": 105,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:49 on Sat 24 Jan to 18:06 on Sun 25 Jan.",
          "fact": "2004-01-24T14:49:21Z → 2004-01-25T14:06:16Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:01–19:46 on the 24th, 18:02–19:47 on the 25th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during pradoṣa. It covers 57 of 105 minutes on the 24th and 4 of 105 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "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 243 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Tila Caturthī, Abu Dhabi, 2004: Saturday 24 January.",
          "fact": "confidence: boundary (margin, tie-break-unstated)"
        }
      ],
      "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": "2004-01-24",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-01-24",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Tila Caturthī 2004 falls on Saturday 24 January. Caturthī runs from 18:49 on Sat 24 Jan to 18:06 on Sun 25 Jan and covers 57 of 105 minutes of pradoṣa that evening. It also reaches the next evening for 4 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 4 min 03 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ganesha-jayanti",
      "festival": "ganesha-jayanti",
      "name": "Gaṇeśa Jayantī",
      "everyday": "Maghi Ganesh Jayanti",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-01-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18454,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-01-24T18:49:21+04:00",
          "utc": "2004-01-24T14:49:21Z",
          "ms": 1074955761050.9529
        },
        "end": {
          "local": "2004-01-25T18:06:16+04:00",
          "utc": "2004-01-25T14:06:16Z",
          "ms": 1075039575860.7996
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-01-24T18:49:21+04:00",
          "utc": "2004-01-24T14:49:21Z",
          "ms": 1074955761050.9529
        },
        "end": {
          "local": "2004-01-25T18:06:16+04:00",
          "utc": "2004-01-25T14:06:16Z",
          "ms": 1075039575860.7996
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-01-24",
          "window": {
            "start": {
              "local": "2004-01-24T12:10:27+04:00",
              "utc": "2004-01-24T08:10:27Z",
              "ms": 1074931826836.5872
            },
            "end": {
              "local": "2004-01-24T12:58:27+04:00",
              "utc": "2004-01-24T08:58:27Z",
              "ms": 1074934706836.5872
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-01-25",
          "window": {
            "start": {
              "local": "2004-01-25T12:10:42+04:00",
              "utc": "2004-01-25T08:10:42Z",
              "ms": 1075018241649.6516
            },
            "end": {
              "local": "2004-01-25T12:58:42+04:00",
              "utc": "2004-01-25T08:58:42Z",
              "ms": 1075021121649.6516
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:49 on Sat 24 Jan to 18:06 on Sun 25 Jan.",
          "fact": "2004-01-24T14:49:21Z → 2004-01-25T14:06:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 24th, 12:11–12:59 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 18454 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Jayantī, Abu Dhabi, 2004: Sunday 25 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": "2004-01-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-01-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2004 falls on Sunday 25 January. Caturthī runs from 18:49 on Sat 24 Jan to 18:06 on Sun 25 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/shri-panchami",
      "festival": "shri-panchami",
      "name": "Śrī Pañcamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-01-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18454,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2004-01-25T18:06:16+04:00",
          "utc": "2004-01-25T14:06:16Z",
          "ms": 1075039575860.7996
        },
        "end": {
          "local": "2004-01-26T18:14:02+04:00",
          "utc": "2004-01-26T14:14:02Z",
          "ms": 1075126442227.3116
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-01-25T18:06:16+04:00",
          "utc": "2004-01-25T14:06:16Z",
          "ms": 1075039575860.7996
        },
        "end": {
          "local": "2004-01-26T18:14:02+04:00",
          "utc": "2004-01-26T14:14:02Z",
          "ms": 1075126442227.3116
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-01-25",
          "window": {
            "start": {
              "local": "2004-01-25T12:10:42+04:00",
              "utc": "2004-01-25T08:10:42Z",
              "ms": 1075018241649.6516
            },
            "end": {
              "local": "2004-01-25T12:58:42+04:00",
              "utc": "2004-01-25T08:58:42Z",
              "ms": 1075021121649.6516
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-01-26",
          "window": {
            "start": {
              "local": "2004-01-26T12:10:56+04:00",
              "utc": "2004-01-26T08:10:56Z",
              "ms": 1075104655650.8513
            },
            "end": {
              "local": "2004-01-26T12:58:56+04:00",
              "utc": "2004-01-26T08:58:56Z",
              "ms": 1075107535650.8513
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 18:06 on Sun 25 Jan to 18:14 on Mon 26 Jan.",
          "fact": "2004-01-25T14:06:16Z → 2004-01-26T14:14:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 25th, 12:11–12:59 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 18454 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Pañcamī, Abu Dhabi, 2004: Monday 26 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shri-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-01-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-01-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śrī Pañcamī 2004 falls on Monday 26 January. Pañcamī runs from 18:06 on Sun 25 Jan to 18:14 on Mon 26 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/vasanta-panchami",
      "festival": "vasanta-panchami",
      "name": "Vasanta Pañcamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-01-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18454,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2004-01-25T18:06:16+04:00",
          "utc": "2004-01-25T14:06:16Z",
          "ms": 1075039575860.7996
        },
        "end": {
          "local": "2004-01-26T18:14:02+04:00",
          "utc": "2004-01-26T14:14:02Z",
          "ms": 1075126442227.3116
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-01-25T18:06:16+04:00",
          "utc": "2004-01-25T14:06:16Z",
          "ms": 1075039575860.7996
        },
        "end": {
          "local": "2004-01-26T18:14:02+04:00",
          "utc": "2004-01-26T14:14:02Z",
          "ms": 1075126442227.3116
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-01-25",
          "window": {
            "start": {
              "local": "2004-01-25T12:10:42+04:00",
              "utc": "2004-01-25T08:10:42Z",
              "ms": 1075018241649.6516
            },
            "end": {
              "local": "2004-01-25T12:58:42+04:00",
              "utc": "2004-01-25T08:58:42Z",
              "ms": 1075021121649.6516
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-01-26",
          "window": {
            "start": {
              "local": "2004-01-26T12:10:56+04:00",
              "utc": "2004-01-26T08:10:56Z",
              "ms": 1075104655650.8513
            },
            "end": {
              "local": "2004-01-26T12:58:56+04:00",
              "utc": "2004-01-26T08:58:56Z",
              "ms": 1075107535650.8513
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 18:06 on Sun 25 Jan to 18:14 on Mon 26 Jan.",
          "fact": "2004-01-25T14:06:16Z → 2004-01-26T14:14:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 25th, 12:11–12:59 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 18454 s"
        },
        {
          "step": "ruling",
          "text": "Vasanta Pañcamī, Abu Dhabi, 2004: Monday 26 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vasanta-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-01-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-01-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vasanta Pañcamī 2004 falls on Monday 26 January. Pañcamī runs from 18:06 on Sun 25 Jan to 18:14 on Mon 26 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ratha-saptami",
      "festival": "ratha-saptami",
      "name": "Ratha Saptamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-01-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30283,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2004-01-27T19:12:43+04:00",
          "utc": "2004-01-27T15:12:43Z",
          "ms": 1075216363169.8628
        },
        "end": {
          "local": "2004-01-28T20:57:03+04:00",
          "utc": "2004-01-28T16:57:03Z",
          "ms": 1075309023452.2399
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-01-27T19:12:43+04:00",
          "utc": "2004-01-27T15:12:43Z",
          "ms": 1075216363169.8628
        },
        "end": {
          "local": "2004-01-28T20:57:03+04:00",
          "utc": "2004-01-28T16:57:03Z",
          "ms": 1075309023452.2399
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2004-01-28",
          "window": {
            "start": {
              "local": "2004-01-28T05:21:58+04:00",
              "utc": "2004-01-28T01:21:58Z",
              "ms": 1075252917781.945
            },
            "end": {
              "local": "2004-01-28T07:06:19+04:00",
              "utc": "2004-01-28T03:06:19Z",
              "ms": 1075259178986.719
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        },
        {
          "local_date": "2004-01-29",
          "window": {
            "start": {
              "local": "2004-01-29T05:21:46+04:00",
              "utc": "2004-01-29T01:21:46Z",
              "ms": 1075339306134.7025
            },
            "end": {
              "local": "2004-01-29T07:05:59+04:00",
              "utc": "2004-01-29T03:05:59Z",
              "ms": 1075345558865.6505
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 19:13 on Tue 27 Jan to 20:57 on Wed 28 Jan.",
          "fact": "2004-01-27T15:12:43Z → 2004-01-28T16:57:03Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:22–07:06 on the 28th, 05:22–07:06 on the 29th.",
          "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during aruṇodaya. It covers 104 of 104 minutes on the 28th and 0 of 104 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one dawn qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30283 s"
        },
        {
          "step": "ruling",
          "text": "Ratha Saptamī, Abu Dhabi, 2004: Wednesday 28 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ratha-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]."
          }
        ],
        "kaala": "arunodaya",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-01-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-01-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Ratha Saptamī 2004 falls on Wednesday 28 January. Saptamī runs from 19:13 on Tue 27 Jan to 20:57 on Wed 28 Jan and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ekadashi?on=2004-02-02",
      "festival": "ekadashi",
      "name": "Jayā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-02-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 550,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-02-01T04:40:29+04:00",
          "utc": "2004-02-01T00:40:29Z",
          "ms": 1075596028637.2307
        },
        "end": {
          "local": "2004-02-02T07:13:35+04:00",
          "utc": "2004-02-02T03:13:35Z",
          "ms": 1075691615013.4908
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-02-01T04:40:29+04:00",
          "utc": "2004-02-01T00:40:29Z",
          "ms": 1075596028637.2307
        },
        "end": {
          "local": "2004-02-02T07:13:35+04:00",
          "utc": "2004-02-02T03:13:35Z",
          "ms": 1075691615013.4908
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-02-01",
          "window": {
            "start": {
              "local": "2004-02-01T07:04:50+04:00",
              "utc": "2004-02-01T03:04:50Z",
              "ms": 1075604690280.447
            },
            "end": {
              "local": "2004-02-01T07:04:50+04:00",
              "utc": "2004-02-01T03:04:50Z",
              "ms": 1075604690280.447
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-02-02",
          "window": {
            "start": {
              "local": "2004-02-02T07:04:25+04:00",
              "utc": "2004-02-02T03:04:25Z",
              "ms": 1075691064735.0377
            },
            "end": {
              "local": "2004-02-02T07:04:25+04:00",
              "utc": "2004-02-02T03:04:25Z",
              "ms": 1075691064735.0377
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 04:40 on Sun 1 Feb to 07:14 on Mon 2 Feb.",
          "fact": "2004-02-01T00:40:29Z → 2004-02-02T03:13:35Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:05 on the 1st and 07:04 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 on the 2nd.",
          "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 550 s"
        },
        {
          "step": "ruling",
          "text": "Jayā Ekādaśī, Abu Dhabi, 2004: Monday 2 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": "2004-02-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-02-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Jayā Ekādaśī 2004 falls on Monday 2 February. Ekādaśī runs from 04:40 on Sun 1 Feb to 07:14 on Mon 2 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-02-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/bhishma-dvadashi",
      "festival": "bhishma-dvadashi",
      "name": "Bhīṣma Dvādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-02-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10102,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2004-02-02T07:13:35+04:00",
          "utc": "2004-02-02T03:13:35Z",
          "ms": 1075691615013.4908
        },
        "end": {
          "local": "2004-02-03T09:23:56+04:00",
          "utc": "2004-02-03T05:23:56Z",
          "ms": 1075785835846.5728
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-02-02T07:13:35+04:00",
          "utc": "2004-02-02T03:13:35Z",
          "ms": 1075691615013.4908
        },
        "end": {
          "local": "2004-02-03T09:23:56+04:00",
          "utc": "2004-02-03T05:23:56Z",
          "ms": 1075785835846.5728
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-02-02",
          "window": {
            "start": {
              "local": "2004-02-02T12:12:10+04:00",
              "utc": "2004-02-02T08:12:10Z",
              "ms": 1075709530436.5767
            },
            "end": {
              "local": "2004-02-02T13:00:10+04:00",
              "utc": "2004-02-02T09:00:10Z",
              "ms": 1075712410436.5767
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-02-03",
          "window": {
            "start": {
              "local": "2004-02-03T12:12:18+04:00",
              "utc": "2004-02-03T08:12:18Z",
              "ms": 1075795937783.1964
            },
            "end": {
              "local": "2004-02-03T13:00:18+04:00",
              "utc": "2004-02-03T09:00:18Z",
              "ms": 1075798817783.1964
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 07:14 on Mon 2 Feb to 09:24 on Tue 3 Feb.",
          "fact": "2004-02-02T03:13:35Z → 2004-02-03T05:23:56Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 2nd, 12:12–13:00 on the 3rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 10102 s"
        },
        {
          "step": "ruling",
          "text": "Bhīṣma Dvādaśī, Abu Dhabi, 2004: Monday 2 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bhishma-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-02-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-02-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Bhīṣma Dvādaśī 2004 falls on Monday 2 February. Dvādaśī runs from 07:14 on Mon 2 Feb to 09:24 on Tue 3 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-02-03",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-02-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25504,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-02-03T09:23:56+04:00",
          "utc": "2004-02-03T05:23:56Z",
          "ms": 1075785835846.5728
        },
        "end": {
          "local": "2004-02-04T11:04:15+04:00",
          "utc": "2004-02-04T07:04:15Z",
          "ms": 1075878254635.0853
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-02-03T09:23:56+04:00",
          "utc": "2004-02-03T05:23:56Z",
          "ms": 1075785835846.5728
        },
        "end": {
          "local": "2004-02-04T11:04:15+04:00",
          "utc": "2004-02-04T07:04:15Z",
          "ms": 1075878254635.0853
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-02-03",
          "window": {
            "start": {
              "local": "2004-02-03T18:08:38+04:00",
              "utc": "2004-02-03T14:08:38Z",
              "ms": 1075817317687.1327
            },
            "end": {
              "local": "2004-02-03T19:51:57+04:00",
              "utc": "2004-02-03T15:51:57Z",
              "ms": 1075823516626.6562
            }
          },
          "covered_min": 103,
          "window_min": 103,
          "qualifies": true
        },
        {
          "local_date": "2004-02-04",
          "window": {
            "start": {
              "local": "2004-02-04T18:09:19+04:00",
              "utc": "2004-02-04T14:09:19Z",
              "ms": 1075903758870.2081
            },
            "end": {
              "local": "2004-02-04T19:52:28+04:00",
              "utc": "2004-02-04T15:52:28Z",
              "ms": 1075909948396.7578
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:24 on Tue 3 Feb to 11:04 on Wed 4 Feb.",
          "fact": "2004-02-03T05:23:56Z → 2004-02-04T07:04:15Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:09–19:52 on the 3rd, 18:09–19:52 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 103 of 103 minutes on the 3rd and 0 of 103 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 25504 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2004: Tuesday 3 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-02-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-02-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2004 falls on Tuesday 3 February. Trayodaśī runs from 09:24 on Tue 3 Feb to 11:04 on Wed 4 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-02-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/maghi-purnima",
      "festival": "maghi-purnima",
      "name": "Māghī Pūrṇimā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-02-06",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 50,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2004-02-05T12:11:40+04:00",
          "utc": "2004-02-05T08:11:40Z",
          "ms": 1075968700453.3477
        },
        "end": {
          "local": "2004-02-06T12:46:54+04:00",
          "utc": "2004-02-06T08:46:54Z",
          "ms": 1076057214278.3915
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-02-05T12:11:40+04:00",
          "utc": "2004-02-05T08:11:40Z",
          "ms": 1075968700453.3477
        },
        "end": {
          "local": "2004-02-06T12:46:54+04:00",
          "utc": "2004-02-06T08:46:54Z",
          "ms": 1076057214278.3915
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-02-05",
          "window": {
            "start": {
              "local": "2004-02-05T12:12:30+04:00",
              "utc": "2004-02-05T08:12:30Z",
              "ms": 1075968749998.2335
            },
            "end": {
              "local": "2004-02-05T13:00:30+04:00",
              "utc": "2004-02-05T09:00:30Z",
              "ms": 1075971629998.2335
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-02-06",
          "window": {
            "start": {
              "local": "2004-02-06T12:12:35+04:00",
              "utc": "2004-02-06T08:12:35Z",
              "ms": 1076055154879.1399
            },
            "end": {
              "local": "2004-02-06T13:00:35+04:00",
              "utc": "2004-02-06T09:00:35Z",
              "ms": 1076058034879.1399
            }
          },
          "covered_min": 34,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 12:12 on Thu 5 Feb to 12:47 on Fri 6 Feb.",
          "fact": "2004-02-05T08:11:40Z → 2004-02-06T08:46:54Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 5th, 12:13–13:01 on the 6th.",
          "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 5th and 34 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Paraviddhā: the second is taken.",
          "fact": "priority: paraviddha → paraviddha · margin 50 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Māghī Pūrṇimā, Abu Dhabi, 2004: Friday 6 February.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2004-02-06",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-02-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Māghī Pūrṇimā 2004 falls on Friday 6 February. Pūrṇimā runs from 12:12 on Thu 5 Feb to 12:47 on Fri 6 Feb and covers 34 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken. It is 0 min 50 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-02-09",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-02-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33542,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-02-09T11:53:27+04:00",
          "utc": "2004-02-09T07:53:27Z",
          "ms": 1076313206628.5939
        },
        "end": {
          "local": "2004-02-10T10:55:29+04:00",
          "utc": "2004-02-10T06:55:29Z",
          "ms": 1076396129259.8276
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-02-09T11:53:27+04:00",
          "utc": "2004-02-09T07:53:27Z",
          "ms": 1076313206628.5939
        },
        "end": {
          "local": "2004-02-10T10:55:29+04:00",
          "utc": "2004-02-10T06:55:29Z",
          "ms": 1076396129259.8276
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-02-09",
          "window": {
            "start": {
              "local": "2004-02-09T21:12:28+04:00",
              "utc": "2004-02-09T17:12:28Z",
              "ms": 1076346748480.5876
            },
            "end": {
              "local": "2004-02-09T21:12:28+04:00",
              "utc": "2004-02-09T17:12:28Z",
              "ms": 1076346748480.5876
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-02-10",
          "window": {
            "start": {
              "local": "2004-02-10T22:10:31+04:00",
              "utc": "2004-02-10T18:10:31Z",
              "ms": 1076436631365.3003
            },
            "end": {
              "local": "2004-02-10T22:10:31+04:00",
              "utc": "2004-02-10T18:10:31Z",
              "ms": 1076436631365.3003
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:53 on Mon 9 Feb to 10:55 on Tue 10 Feb.",
          "fact": "2004-02-09T07:53:27Z → 2004-02-10T06:55:29Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:12 on the 9th and 22:11 on the 10th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 9th and is not on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 33542 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2004: Monday 9 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": "2004-02-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-02-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2004 falls on Monday 9 February. Caturthī runs from 11:53 on Mon 9 Feb to 10:55 on Tue 10 Feb and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-02-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/ekadashi?on=2004-02-16",
      "festival": "ekadashi",
      "name": "Vijayā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-02-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23761,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-02-16T00:20:19+04:00",
          "utc": "2004-02-15T20:20:19Z",
          "ms": 1076876418989.224
        },
        "end": {
          "local": "2004-02-16T21:57:51+04:00",
          "utc": "2004-02-16T17:57:51Z",
          "ms": 1076954270608.5264
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-02-16T00:20:19+04:00",
          "utc": "2004-02-15T20:20:19Z",
          "ms": 1076876418989.224
        },
        "end": {
          "local": "2004-02-16T21:57:51+04:00",
          "utc": "2004-02-16T17:57:51Z",
          "ms": 1076954270608.5264
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-02-16",
          "window": {
            "start": {
              "local": "2004-02-16T06:56:20+04:00",
              "utc": "2004-02-16T02:56:20Z",
              "ms": 1076900179751.1621
            },
            "end": {
              "local": "2004-02-16T06:56:20+04:00",
              "utc": "2004-02-16T02:56:20Z",
              "ms": 1076900179751.1621
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-02-17",
          "window": {
            "start": {
              "local": "2004-02-17T06:55:37+04:00",
              "utc": "2004-02-17T02:55:37Z",
              "ms": 1076986536960.5084
            },
            "end": {
              "local": "2004-02-17T06:55:37+04:00",
              "utc": "2004-02-17T02:55:37Z",
              "ms": 1076986536960.5084
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 00:20 on Mon 16 Feb to 21:58 on Mon 16 Feb.",
          "fact": "2004-02-15T20:20:19Z → 2004-02-16T17:57:51Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:56 on the 16th and 06:56 on the 17th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 16th and is not on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 23761 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Ekādaśī, Abu Dhabi, 2004: Monday 16 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-02-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-02-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vijayā Ekādaśī 2004 falls on Monday 16 February. Ekādaśī runs from 00:20 on Mon 16 Feb to 21:58 on Mon 16 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-02-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-02-17",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-02-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1514,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-02-17T19:33:23+04:00",
          "utc": "2004-02-17T15:33:23Z",
          "ms": 1077032002589.9095
        },
        "end": {
          "local": "2004-02-18T17:13:19+04:00",
          "utc": "2004-02-18T13:13:19Z",
          "ms": 1077109999273.4551
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-02-17T19:33:23+04:00",
          "utc": "2004-02-17T15:33:23Z",
          "ms": 1077032002589.9095
        },
        "end": {
          "local": "2004-02-18T17:13:19+04:00",
          "utc": "2004-02-18T13:13:19Z",
          "ms": 1077109999273.4551
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-02-17",
          "window": {
            "start": {
              "local": "2004-02-17T18:17:38+04:00",
              "utc": "2004-02-17T14:17:38Z",
              "ms": 1077027458110.3711
            },
            "end": {
              "local": "2004-02-17T19:58:36+04:00",
              "utc": "2004-02-17T15:58:36Z",
              "ms": 1077033516123.3783
            }
          },
          "covered_min": 25,
          "window_min": 101,
          "qualifies": true
        },
        {
          "local_date": "2004-02-18",
          "window": {
            "start": {
              "local": "2004-02-18T18:18:14+04:00",
              "utc": "2004-02-18T14:18:14Z",
              "ms": 1077113893606.837
            },
            "end": {
              "local": "2004-02-18T19:59:01+04:00",
              "utc": "2004-02-18T15:59:01Z",
              "ms": 1077119940927.9225
            }
          },
          "covered_min": 0,
          "window_min": 101,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:33 on Tue 17 Feb to 17:13 on Wed 18 Feb.",
          "fact": "2004-02-17T15:33:23Z → 2004-02-18T13:13:19Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–19:59 on the 17th, 18:18–19:59 on the 18th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 25 of 101 minutes on the 17th and 0 of 101 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1514 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2004: Tuesday 17 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": "2004-02-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-02-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2004 falls on Tuesday 17 February. Trayodaśī runs from 19:33 on Tue 17 Feb to 17:13 on Wed 18 Feb and covers 25 of 101 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-02-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/maha-shivaratri",
      "festival": "maha-shivaratri",
      "name": "Mahāśivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-02-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25132,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2004-02-18T17:13:19+04:00",
          "utc": "2004-02-18T13:13:19Z",
          "ms": 1077109999273.4551
        },
        "end": {
          "local": "2004-02-19T15:05:18+04:00",
          "utc": "2004-02-19T11:05:18Z",
          "ms": 1077188718210.9868
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-02-18T17:13:19+04:00",
          "utc": "2004-02-18T13:13:19Z",
          "ms": 1077109999273.4551
        },
        "end": {
          "local": "2004-02-19T15:05:18+04:00",
          "utc": "2004-02-19T11:05:18Z",
          "ms": 1077188718210.9868
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2004-02-18",
          "window": {
            "start": {
              "local": "2004-02-19T00:12:11+04:00",
              "utc": "2004-02-18T20:12:11Z",
              "ms": 1077135131060.9076
            },
            "end": {
              "local": "2004-02-19T01:00:11+04:00",
              "utc": "2004-02-18T21:00:11Z",
              "ms": 1077138011060.9076
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-02-19",
          "window": {
            "start": {
              "local": "2004-02-20T00:12:06+04:00",
              "utc": "2004-02-19T20:12:06Z",
              "ms": 1077221525786.243
            },
            "end": {
              "local": "2004-02-20T01:00:06+04:00",
              "utc": "2004-02-19T21:00:06Z",
              "ms": 1077224405786.243
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 17:13 on Wed 18 Feb to 15:05 on Thu 19 Feb.",
          "fact": "2004-02-18T13:13:19Z → 2004-02-19T11:05:18Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:12–01:00 on the 18th, 00:12–01:00 on the 19th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 25132 s"
        },
        {
          "step": "ruling",
          "text": "Mahāśivarātri, Abu Dhabi, 2004: Wednesday 18 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "maha-shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day"
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "disputed",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-02-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-02-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Mahāśivarātri 2004 falls on Wednesday 18 February. Caturdaśī runs from 17:13 on Wed 18 Feb to 15:05 on Thu 19 Feb and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-02-23",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-02-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 612,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-02-23T11:16:43+04:00",
          "utc": "2004-02-23T07:16:43Z",
          "ms": 1077520602808.07
        },
        "end": {
          "local": "2004-02-24T12:01:43+04:00",
          "utc": "2004-02-24T08:01:43Z",
          "ms": 1077609702540.4286
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-02-23T11:16:43+04:00",
          "utc": "2004-02-23T07:16:43Z",
          "ms": 1077520602808.07
        },
        "end": {
          "local": "2004-02-24T12:01:43+04:00",
          "utc": "2004-02-24T08:01:43Z",
          "ms": 1077609702540.4286
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-02-23",
          "window": {
            "start": {
              "local": "2004-02-23T12:12:03+04:00",
              "utc": "2004-02-23T08:12:03Z",
              "ms": 1077523922651.9713
            },
            "end": {
              "local": "2004-02-23T13:00:03+04:00",
              "utc": "2004-02-23T09:00:03Z",
              "ms": 1077526802651.9713
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-02-24",
          "window": {
            "start": {
              "local": "2004-02-24T12:11:55+04:00",
              "utc": "2004-02-24T08:11:55Z",
              "ms": 1077610314553.233
            },
            "end": {
              "local": "2004-02-24T12:59:55+04:00",
              "utc": "2004-02-24T08:59:55Z",
              "ms": 1077613194553.233
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:17 on Mon 23 Feb to 12:02 on Tue 24 Feb.",
          "fact": "2004-02-23T07:16:43Z → 2004-02-24T08:01:43Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 23rd, 12:12–13:00 on the 24th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 612 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2004: Monday 23 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-02-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-02-23",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2004 falls on Monday 23 February. Caturthī runs from 11:17 on Mon 23 Feb to 12:02 on Tue 24 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-02-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/ekadashi?on=2004-03-02",
      "festival": "ekadashi",
      "name": "Āmalakī Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-03-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13074,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-03-02T01:27:05+04:00",
          "utc": "2004-03-01T21:27:05Z",
          "ms": 1078176425110.4895
        },
        "end": {
          "local": "2004-03-03T03:05:18+04:00",
          "utc": "2004-03-02T23:05:18Z",
          "ms": 1078268718343.3646
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-03-02T01:27:05+04:00",
          "utc": "2004-03-01T21:27:05Z",
          "ms": 1078176425110.4895
        },
        "end": {
          "local": "2004-03-03T03:05:18+04:00",
          "utc": "2004-03-02T23:05:18Z",
          "ms": 1078268718343.3646
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-03-02",
          "window": {
            "start": {
              "local": "2004-03-02T06:44:07+04:00",
              "utc": "2004-03-02T02:44:07Z",
              "ms": 1078195447234.439
            },
            "end": {
              "local": "2004-03-02T06:44:07+04:00",
              "utc": "2004-03-02T02:44:07Z",
              "ms": 1078195447234.439
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-03-03",
          "window": {
            "start": {
              "local": "2004-03-03T06:43:12+04:00",
              "utc": "2004-03-03T02:43:12Z",
              "ms": 1078281792490.525
            },
            "end": {
              "local": "2004-03-03T06:43:12+04:00",
              "utc": "2004-03-03T02:43:12Z",
              "ms": 1078281792490.525
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 01:27 on Tue 2 Mar to 03:05 on Wed 3 Mar.",
          "fact": "2004-03-01T21:27:05Z → 2004-03-02T23:05:18Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:44 on the 2nd and 06:43 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 13074 s"
        },
        {
          "step": "ruling",
          "text": "Āmalakī Ekādaśī, Abu Dhabi, 2004: Tuesday 2 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-03-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-03-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Āmalakī Ekādaśī 2004 falls on Tuesday 2 March. Ekādaśī runs from 01:27 on Tue 2 Mar to 03:05 on Wed 3 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-03-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-03-04",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-03-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28851,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-03-04T04:04:49+04:00",
          "utc": "2004-03-04T00:04:49Z",
          "ms": 1078358688650.2623
        },
        "end": {
          "local": "2004-03-05T04:24:10+04:00",
          "utc": "2004-03-05T00:24:10Z",
          "ms": 1078446250188.4441
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-03-04T04:04:49+04:00",
          "utc": "2004-03-04T00:04:49Z",
          "ms": 1078358688650.2623
        },
        "end": {
          "local": "2004-03-05T04:24:10+04:00",
          "utc": "2004-03-05T00:24:10Z",
          "ms": 1078446250188.4441
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-03-03",
          "window": {
            "start": {
              "local": "2004-03-03T18:25:45+04:00",
              "utc": "2004-03-03T14:25:45Z",
              "ms": 1078323945240.1598
            },
            "end": {
              "local": "2004-03-03T20:03:57+04:00",
              "utc": "2004-03-03T16:03:57Z",
              "ms": 1078329837496.4667
            }
          },
          "covered_min": 0,
          "window_min": 98,
          "qualifies": false
        },
        {
          "local_date": "2004-03-04",
          "window": {
            "start": {
              "local": "2004-03-04T18:26:14+04:00",
              "utc": "2004-03-04T14:26:14Z",
              "ms": 1078410374465.2816
            },
            "end": {
              "local": "2004-03-04T20:04:15+04:00",
              "utc": "2004-03-04T16:04:15Z",
              "ms": 1078416255373.8442
            }
          },
          "covered_min": 98,
          "window_min": 98,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 04:05 on Thu 4 Mar to 04:24 on Fri 5 Mar.",
          "fact": "2004-03-04T00:04:49Z → 2004-03-05T00:24:10Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:26–20:04 on the 3rd, 18:26–20:04 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 98 minutes on the 3rd and 98 of 98 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 28851 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2004: Thursday 4 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": "2004-03-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-03-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2004 falls on Thursday 4 March. Trayodaśī runs from 04:05 on Thu 4 Mar to 04:24 on Fri 5 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-03-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/holika-dahana",
      "festival": "holika-dahana",
      "name": "Holikā Dahana",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-03-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31625,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2004-03-06T04:05:43+04:00",
          "utc": "2004-03-06T00:05:43Z",
          "ms": 1078531542537.389
        },
        "end": {
          "local": "2004-03-07T03:14:16+04:00",
          "utc": "2004-03-06T23:14:16Z",
          "ms": 1078614856451.0642
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-03-06T04:05:43+04:00",
          "utc": "2004-03-06T00:05:43Z",
          "ms": 1078531542537.389
        },
        "end": {
          "local": "2004-03-07T03:14:16+04:00",
          "utc": "2004-03-06T23:14:16Z",
          "ms": 1078614856451.0642
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2004-03-05",
          "window": {
            "start": {
              "local": "2004-03-05T16:05:39+04:00",
              "utc": "2004-03-05T12:05:39Z",
              "ms": 1078488338927.8219
            },
            "end": {
              "local": "2004-03-05T18:26:43+04:00",
              "utc": "2004-03-05T14:26:43Z",
              "ms": 1078496803339.9021
            }
          },
          "covered_min": 0,
          "window_min": 141,
          "qualifies": false
        },
        {
          "local_date": "2004-03-06",
          "window": {
            "start": {
              "local": "2004-03-06T16:05:50+04:00",
              "utc": "2004-03-06T12:05:50Z",
              "ms": 1078574750477.2333
            },
            "end": {
              "local": "2004-03-06T18:27:12+04:00",
              "utc": "2004-03-06T14:27:12Z",
              "ms": 1078583231878.61
            }
          },
          "covered_min": 141,
          "window_min": 141,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 04:06 on Sat 6 Mar to 03:14 on Sun 7 Mar.",
          "fact": "2004-03-06T00:05:43Z → 2004-03-06T23:14:16Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:06–18:27 on the 5th, 16:06–18:27 on the 6th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 141 minutes on the 5th and 141 of 141 on the 6th.",
          "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 31625 s"
        },
        {
          "step": "ruling",
          "text": "Holikā Dahana, Abu Dhabi, 2004: Saturday 6 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": "2004-03-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-03-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Holikā Dahana 2004 falls on Saturday 6 March. Pūrṇimā runs from 04:06 on Sat 6 Mar to 03:14 on Sun 7 Mar and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/holi",
      "festival": "holi",
      "name": "Holī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-03-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31625,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2004-03-06T04:05:43+04:00",
          "utc": "2004-03-06T00:05:43Z",
          "ms": 1078531542537.389
        },
        "end": {
          "local": "2004-03-07T03:14:16+04:00",
          "utc": "2004-03-06T23:14:16Z",
          "ms": 1078614856451.0642
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-03-06T04:05:43+04:00",
          "utc": "2004-03-06T00:05:43Z",
          "ms": 1078531542537.389
        },
        "end": {
          "local": "2004-03-07T03:14:16+04:00",
          "utc": "2004-03-06T23:14:16Z",
          "ms": 1078614856451.0642
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2004-03-05",
          "window": {
            "start": {
              "local": "2004-03-05T16:05:39+04:00",
              "utc": "2004-03-05T12:05:39Z",
              "ms": 1078488338927.8219
            },
            "end": {
              "local": "2004-03-05T18:26:43+04:00",
              "utc": "2004-03-05T14:26:43Z",
              "ms": 1078496803339.9021
            }
          },
          "covered_min": 0,
          "window_min": 141,
          "qualifies": false
        },
        {
          "local_date": "2004-03-06",
          "window": {
            "start": {
              "local": "2004-03-06T16:05:50+04:00",
              "utc": "2004-03-06T12:05:50Z",
              "ms": 1078574750477.2333
            },
            "end": {
              "local": "2004-03-06T18:27:12+04:00",
              "utc": "2004-03-06T14:27:12Z",
              "ms": 1078583231878.61
            }
          },
          "covered_min": 141,
          "window_min": 141,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "holika-dahana",
        "name": "Holikā Dahana",
        "local_date": "2004-03-06",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 04:06 on Sat 6 Mar to 03:14 on Sun 7 Mar.",
          "fact": "2004-03-06T00:05:43Z → 2004-03-06T23:14:16Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:06–18:27 on the 5th, 16:06–18:27 on the 6th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 141 minutes on the 5th and 141 of 141 on the 6th.",
          "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 31625 s"
        },
        {
          "step": "counted",
          "text": "Holī is kept the day after Holikā Dahana: Saturday 6 March is the day taken above.",
          "fact": "follows: holika-dahana + 1 d"
        },
        {
          "step": "ruling",
          "text": "Holī, Abu Dhabi, 2004: Sunday 7 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": "2004-03-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-03-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Holī 2004 falls on Sunday 7 March. It is kept the day after Holikā Dahana, which falls on Saturday 6 March. Pūrṇimā runs from 04:06 on Sat 6 Mar to 03:14 on Sun 7 Mar and covers all of sāyāhna on the 6th.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/vasantotsava",
      "festival": "vasantotsava",
      "name": "Vasantotsava",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-03-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12312,
      "anga": {
        "type": "tithi",
        "index": 15,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2004-03-07T03:14:16+04:00",
          "utc": "2004-03-06T23:14:16Z",
          "ms": 1078614856451.0642
        },
        "end": {
          "local": "2004-03-08T01:56:02+04:00",
          "utc": "2004-03-07T21:56:02Z",
          "ms": 1078696562168.0216
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-03-07T03:14:16+04:00",
          "utc": "2004-03-06T23:14:16Z",
          "ms": 1078614856451.0642
        },
        "end": {
          "local": "2004-03-08T01:56:02+04:00",
          "utc": "2004-03-07T21:56:02Z",
          "ms": 1078696562168.0216
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-03-07",
          "window": {
            "start": {
              "local": "2004-03-07T06:39:28+04:00",
              "utc": "2004-03-07T02:39:28Z",
              "ms": 1078627167967.9724
            },
            "end": {
              "local": "2004-03-07T06:39:28+04:00",
              "utc": "2004-03-07T02:39:28Z",
              "ms": 1078627167967.9724
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-03-08",
          "window": {
            "start": {
              "local": "2004-03-08T06:38:31+04:00",
              "utc": "2004-03-08T02:38:31Z",
              "ms": 1078713510598.732
            },
            "end": {
              "local": "2004-03-08T06:38:31+04:00",
              "utc": "2004-03-08T02:38:31Z",
              "ms": 1078713510598.732
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 03:14 on Sun 7 Mar to 01:56 on Mon 8 Mar.",
          "fact": "2004-03-06T23:14:16Z → 2004-03-07T21:56:02Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:39 on the 7th and 06:39 on the 8th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be current at sunrise. It is on the 7th and is not on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 12312 s"
        },
        {
          "step": "ruling",
          "text": "Vasantotsava, Abu Dhabi, 2004: Sunday 7 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": "2004-03-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-03-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vasantotsava 2004 falls on Sunday 7 March. Pratipadā runs from 03:14 on Sun 7 Mar to 01:56 on Mon 8 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-03-09",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-03-09",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 4947,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-03-09T22:24:50+04:00",
          "utc": "2004-03-09T18:24:50Z",
          "ms": 1078856689769.5262
        },
        "end": {
          "local": "2004-03-10T20:23:18+04:00",
          "utc": "2004-03-10T16:23:18Z",
          "ms": 1078935798026.0262
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-03-09T22:24:50+04:00",
          "utc": "2004-03-09T18:24:50Z",
          "ms": 1078856689769.5262
        },
        "end": {
          "local": "2004-03-10T20:23:18+04:00",
          "utc": "2004-03-10T16:23:18Z",
          "ms": 1078935798026.0262
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-03-09",
          "window": {
            "start": {
              "local": "2004-03-09T21:02:23+04:00",
              "utc": "2004-03-09T17:02:23Z",
              "ms": 1078851742957.2682
            },
            "end": {
              "local": "2004-03-09T21:02:23+04:00",
              "utc": "2004-03-09T17:02:23Z",
              "ms": 1078851742957.2682
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-03-10",
          "window": {
            "start": {
              "local": "2004-03-10T22:04:51+04:00",
              "utc": "2004-03-10T18:04:51Z",
              "ms": 1078941890647.2941
            },
            "end": {
              "local": "2004-03-10T22:04:51+04:00",
              "utc": "2004-03-10T18:04:51Z",
              "ms": 1078941890647.2941
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:25 on Tue 9 Mar to 20:23 on Wed 10 Mar.",
          "fact": "2004-03-09T18:24:50Z → 2004-03-10T16:23:18Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:02 on the 9th and 22:05 on the 10th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 9th and is not on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither moonrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 4947 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2004: Tuesday 9 March.",
          "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": "2004-03-09",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-03-09",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2004 falls on Tuesday 9 March. Caturthī runs from 22:25 on Tue 9 Mar to 20:23 on Wed 10 Mar, and is current at moonrise on neither day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-03-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/shitalashtami",
      "festival": "shitalashtami",
      "name": "Śītalāṣṭamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-03-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 507,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2004-03-13T14:03:03+04:00",
          "utc": "2004-03-13T10:03:03Z",
          "ms": 1079172182705.024
        },
        "end": {
          "local": "2004-03-14T11:59:18+04:00",
          "utc": "2004-03-14T07:59:18Z",
          "ms": 1079251157694.8066
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-03-13T14:03:03+04:00",
          "utc": "2004-03-13T10:03:03Z",
          "ms": 1079172182705.024
        },
        "end": {
          "local": "2004-03-14T11:59:18+04:00",
          "utc": "2004-03-14T07:59:18Z",
          "ms": 1079251157694.8066
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-03-13",
          "window": {
            "start": {
              "local": "2004-03-13T12:08:01+04:00",
              "utc": "2004-03-13T08:08:01Z",
              "ms": 1079165280747.8811
            },
            "end": {
              "local": "2004-03-13T12:56:01+04:00",
              "utc": "2004-03-13T08:56:01Z",
              "ms": 1079168160747.8811
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-03-14",
          "window": {
            "start": {
              "local": "2004-03-14T12:07:44+04:00",
              "utc": "2004-03-14T08:07:44Z",
              "ms": 1079251664207.8173
            },
            "end": {
              "local": "2004-03-14T12:55:44+04:00",
              "utc": "2004-03-14T08:55:44Z",
              "ms": 1079254544207.8173
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 14:03 on Sat 13 Mar to 11:59 on Sun 14 Mar.",
          "fact": "2004-03-13T10:03:03Z → 2004-03-14T07:59:18Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 13th, 12:08–12:56 on the 14th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 0 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: purvaviddha → second-day · margin 507 s"
        },
        {
          "step": "ruling",
          "text": "Śītalāṣṭamī, Abu Dhabi, 2004: Sunday 14 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": "2004-03-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-03-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śītalāṣṭamī 2004 falls on Sunday 14 March. Aṣṭamī runs from 14:03 on Sat 13 Mar to 11:59 on Sun 14 Mar, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ekadashi?on=2004-03-16",
      "festival": "ekadashi",
      "name": "Pāpamocanī Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-03-16",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 231,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-03-16T08:08:04+04:00",
          "utc": "2004-03-16T04:08:04Z",
          "ms": 1079410084471.6052
        },
        "end": {
          "local": "2004-03-17T06:25:47+04:00",
          "utc": "2004-03-17T02:25:47Z",
          "ms": 1079490347456.0917
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-03-16T08:08:04+04:00",
          "utc": "2004-03-16T04:08:04Z",
          "ms": 1079410084471.6052
        },
        "end": {
          "local": "2004-03-17T06:25:47+04:00",
          "utc": "2004-03-17T02:25:47Z",
          "ms": 1079490347456.0917
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-03-16",
          "window": {
            "start": {
              "local": "2004-03-16T06:30:38+04:00",
              "utc": "2004-03-16T02:30:38Z",
              "ms": 1079404238428.1315
            },
            "end": {
              "local": "2004-03-16T06:30:38+04:00",
              "utc": "2004-03-16T02:30:38Z",
              "ms": 1079404238428.1315
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-03-17",
          "window": {
            "start": {
              "local": "2004-03-17T06:29:38+04:00",
              "utc": "2004-03-17T02:29:38Z",
              "ms": 1079490578176.5217
            },
            "end": {
              "local": "2004-03-17T06:29:38+04:00",
              "utc": "2004-03-17T02:29:38Z",
              "ms": 1079490578176.5217
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 08:08 on Tue 16 Mar to 06:26 on Wed 17 Mar.",
          "fact": "2004-03-16T04:08:04Z → 2004-03-17T02:25:47Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:31 on the 16th and 06:30 on the 17th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is not on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Neither sunrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: paraviddha → tithi-day · margin 231 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Pāpamocanī Ekādaśī, Abu Dhabi, 2004: Tuesday 16 March.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-03-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-03-16",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Pāpamocanī Ekādaśī 2004 falls on Tuesday 16 March. Ekādaśī runs from 08:08 on Tue 16 Mar to 06:26 on Wed 17 Mar, and is current at sunrise on neither day. It is 3 min 51 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-03-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-03-18",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-03-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27536,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-03-18T04:57:11+04:00",
          "utc": "2004-03-18T00:57:11Z",
          "ms": 1079571430841.1803
        },
        "end": {
          "local": "2004-03-19T03:46:50+04:00",
          "utc": "2004-03-18T23:46:50Z",
          "ms": 1079653610435.7192
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-03-18T04:57:11+04:00",
          "utc": "2004-03-18T00:57:11Z",
          "ms": 1079571430841.1803
        },
        "end": {
          "local": "2004-03-19T03:46:50+04:00",
          "utc": "2004-03-18T23:46:50Z",
          "ms": 1079653610435.7192
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-03-17",
          "window": {
            "start": {
              "local": "2004-03-17T18:32:08+04:00",
              "utc": "2004-03-17T14:32:08Z",
              "ms": 1079533928421.5735
            },
            "end": {
              "local": "2004-03-17T20:07:40+04:00",
              "utc": "2004-03-17T16:07:40Z",
              "ms": 1079539660330.5325
            }
          },
          "covered_min": 0,
          "window_min": 96,
          "qualifies": false
        },
        {
          "local_date": "2004-03-18",
          "window": {
            "start": {
              "local": "2004-03-18T18:32:34+04:00",
              "utc": "2004-03-18T14:32:34Z",
              "ms": 1079620354182.5553
            },
            "end": {
              "local": "2004-03-18T20:07:55+04:00",
              "utc": "2004-03-18T16:07:55Z",
              "ms": 1079626074576.773
            }
          },
          "covered_min": 95,
          "window_min": 95,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 04:57 on Thu 18 Mar to 03:47 on Fri 19 Mar.",
          "fact": "2004-03-18T00:57:11Z → 2004-03-18T23:46:50Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:32–20:08 on the 17th, 18:33–20:08 on the 18th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 96 minutes on the 17th and 95 of 95 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 27536 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2004: Thursday 18 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-03-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-03-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2004 falls on Thursday 18 March. Trayodaśī runs from 04:57 on Thu 18 Mar to 03:47 on Fri 19 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-03-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/shivaratri?on=2004-03-19",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-03-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7564,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2004-03-19T03:46:50+04:00",
          "utc": "2004-03-18T23:46:50Z",
          "ms": 1079653610435.7192
        },
        "end": {
          "local": "2004-03-20T02:59:52+04:00",
          "utc": "2004-03-19T22:59:52Z",
          "ms": 1079737192121.2274
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-03-19T03:46:50+04:00",
          "utc": "2004-03-18T23:46:50Z",
          "ms": 1079653610435.7192
        },
        "end": {
          "local": "2004-03-20T02:59:52+04:00",
          "utc": "2004-03-19T22:59:52Z",
          "ms": 1079737192121.2274
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2004-03-18",
          "window": {
            "start": {
              "local": "2004-03-19T00:06:06+04:00",
              "utc": "2004-03-18T20:06:06Z",
              "ms": 1079640365660.8715
            },
            "end": {
              "local": "2004-03-19T00:54:06+04:00",
              "utc": "2004-03-18T20:54:06Z",
              "ms": 1079643245660.8715
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-03-19",
          "window": {
            "start": {
              "local": "2004-03-20T00:05:48+04:00",
              "utc": "2004-03-19T20:05:48Z",
              "ms": 1079726748097.9844
            },
            "end": {
              "local": "2004-03-20T00:53:48+04:00",
              "utc": "2004-03-19T20:53:48Z",
              "ms": 1079729628097.9844
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 03:47 on Fri 19 Mar to 03:00 on Sat 20 Mar.",
          "fact": "2004-03-18T23:46:50Z → 2004-03-19T22:59:52Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:06–00:54 on the 18th, 00:06–00:54 on the 19th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7564 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2004: Friday 19 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-03-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-03-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2004 falls on Friday 19 March. Caturdaśī runs from 03:47 on Fri 19 Mar to 03:00 on Sat 20 Mar and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/shivaratri?on=2004-03-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/navaratra-arambha-caitra",
      "festival": "navaratra-arambha-caitra",
      "name": "Navarātrārambha (Caitra)",
      "everyday": "Chaitra Navratri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-03-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32987,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2004-03-21T02:41:21+04:00",
          "utc": "2004-03-20T22:41:21Z",
          "ms": 1079822481057.9146
        },
        "end": {
          "local": "2004-03-22T02:55:38+04:00",
          "utc": "2004-03-21T22:55:38Z",
          "ms": 1079909737958.1171
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-03-21T02:41:21+04:00",
          "utc": "2004-03-20T22:41:21Z",
          "ms": 1079822481057.9146
        },
        "end": {
          "local": "2004-03-22T02:55:38+04:00",
          "utc": "2004-03-21T22:55:38Z",
          "ms": 1079909737958.1171
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-03-21",
          "window": {
            "start": {
              "local": "2004-03-21T12:05:43+04:00",
              "utc": "2004-03-21T08:05:43Z",
              "ms": 1079856343079.1819
            },
            "end": {
              "local": "2004-03-21T12:53:43+04:00",
              "utc": "2004-03-21T08:53:43Z",
              "ms": 1079859223079.1819
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-03-22",
          "window": {
            "start": {
              "local": "2004-03-22T12:05:25+04:00",
              "utc": "2004-03-22T08:05:25Z",
              "ms": 1079942725219.2075
            },
            "end": {
              "local": "2004-03-22T12:53:25+04:00",
              "utc": "2004-03-22T08:53:25Z",
              "ms": 1079945605219.2075
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 02:41 on Sun 21 Mar to 02:56 on Mon 22 Mar.",
          "fact": "2004-03-20T22:41:21Z → 2004-03-21T22:55:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 21st, 12:05–12:53 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 32987 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha (Caitra), Abu Dhabi, 2004: Sunday 21 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": "2004-03-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-03-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Navarātrārambha (Caitra) (Chaitra Navratri) 2004 falls on Sunday 21 March. Pratipadā runs from 02:41 on Sun 21 Mar to 02:56 on Mon 22 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/gauri-tritiya",
      "festival": "gauri-tritiya",
      "name": "Gaurī Tṛtīyā",
      "everyday": "Gangaur",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-03-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24848,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2004-03-23T03:45:24+04:00",
          "utc": "2004-03-22T23:45:24Z",
          "ms": 1079999124233.8273
        },
        "end": {
          "local": "2004-03-24T05:10:41+04:00",
          "utc": "2004-03-24T01:10:41Z",
          "ms": 1080090641298.1957
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-03-23T03:45:24+04:00",
          "utc": "2004-03-22T23:45:24Z",
          "ms": 1079999124233.8273
        },
        "end": {
          "local": "2004-03-24T05:10:41+04:00",
          "utc": "2004-03-24T01:10:41Z",
          "ms": 1080090641298.1957
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-03-23",
          "window": {
            "start": {
              "local": "2004-03-23T12:05:07+04:00",
              "utc": "2004-03-23T08:05:07Z",
              "ms": 1080029107271.1602
            },
            "end": {
              "local": "2004-03-23T12:53:07+04:00",
              "utc": "2004-03-23T08:53:07Z",
              "ms": 1080031987271.1602
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-03-24",
          "window": {
            "start": {
              "local": "2004-03-24T12:04:49+04:00",
              "utc": "2004-03-24T08:04:49Z",
              "ms": 1080115489252.4993
            },
            "end": {
              "local": "2004-03-24T12:52:49+04:00",
              "utc": "2004-03-24T08:52:49Z",
              "ms": 1080118369252.4993
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 03:45 on Tue 23 Mar to 05:11 on Wed 24 Mar.",
          "fact": "2004-03-22T23:45:24Z → 2004-03-24T01:10:41Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 23rd, 12:05–12:53 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 24848 s"
        },
        {
          "step": "ruling",
          "text": "Gaurī Tṛtīyā, Abu Dhabi, 2004: Tuesday 23 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": "2004-03-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-03-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Gaurī Tṛtīyā (Gangaur) 2004 falls on Tuesday 23 March. Tṛtīyā runs from 03:45 on Tue 23 Mar to 05:11 on Wed 24 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/saubhagya-shayana-vrata",
      "festival": "saubhagya-shayana-vrata",
      "name": "Saubhāgya Śayana Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-03-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24848,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2004-03-23T03:45:24+04:00",
          "utc": "2004-03-22T23:45:24Z",
          "ms": 1079999124233.8273
        },
        "end": {
          "local": "2004-03-24T05:10:41+04:00",
          "utc": "2004-03-24T01:10:41Z",
          "ms": 1080090641298.1957
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-03-23T03:45:24+04:00",
          "utc": "2004-03-22T23:45:24Z",
          "ms": 1079999124233.8273
        },
        "end": {
          "local": "2004-03-24T05:10:41+04:00",
          "utc": "2004-03-24T01:10:41Z",
          "ms": 1080090641298.1957
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-03-23",
          "window": {
            "start": {
              "local": "2004-03-23T12:05:07+04:00",
              "utc": "2004-03-23T08:05:07Z",
              "ms": 1080029107271.1602
            },
            "end": {
              "local": "2004-03-23T12:53:07+04:00",
              "utc": "2004-03-23T08:53:07Z",
              "ms": 1080031987271.1602
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-03-24",
          "window": {
            "start": {
              "local": "2004-03-24T12:04:49+04:00",
              "utc": "2004-03-24T08:04:49Z",
              "ms": 1080115489252.4993
            },
            "end": {
              "local": "2004-03-24T12:52:49+04:00",
              "utc": "2004-03-24T08:52:49Z",
              "ms": 1080118369252.4993
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 03:45 on Tue 23 Mar to 05:11 on Wed 24 Mar.",
          "fact": "2004-03-22T23:45:24Z → 2004-03-24T01:10:41Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 23rd, 12:05–12:53 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 24848 s"
        },
        {
          "step": "ruling",
          "text": "Saubhāgya Śayana Vrata, Abu Dhabi, 2004: Tuesday 23 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": "2004-03-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-03-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saubhāgya Śayana Vrata 2004 falls on Tuesday 23 March. Tṛtīyā runs from 03:45 on Tue 23 Mar to 05:11 on Wed 24 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-03-24",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-03-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17796,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-03-24T05:10:41+04:00",
          "utc": "2004-03-24T01:10:41Z",
          "ms": 1080090641298.1957
        },
        "end": {
          "local": "2004-03-25T07:07:55+04:00",
          "utc": "2004-03-25T03:07:55Z",
          "ms": 1080184075460.9939
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-03-24T05:10:41+04:00",
          "utc": "2004-03-24T01:10:41Z",
          "ms": 1080090641298.1957
        },
        "end": {
          "local": "2004-03-25T07:07:55+04:00",
          "utc": "2004-03-25T03:07:55Z",
          "ms": 1080184075460.9939
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-03-24",
          "window": {
            "start": {
              "local": "2004-03-24T12:04:49+04:00",
              "utc": "2004-03-24T08:04:49Z",
              "ms": 1080115489252.4993
            },
            "end": {
              "local": "2004-03-24T12:52:49+04:00",
              "utc": "2004-03-24T08:52:49Z",
              "ms": 1080118369252.4993
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-03-25",
          "window": {
            "start": {
              "local": "2004-03-25T12:04:31+04:00",
              "utc": "2004-03-25T08:04:31Z",
              "ms": 1080201871181.0596
            },
            "end": {
              "local": "2004-03-25T12:52:31+04:00",
              "utc": "2004-03-25T08:52:31Z",
              "ms": 1080204751181.0596
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:11 on Wed 24 Mar to 07:08 on Thu 25 Mar.",
          "fact": "2004-03-24T01:10:41Z → 2004-03-25T03:07:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 24th, 12:05–12:53 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17796 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2004: Wednesday 24 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": "2004-03-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-03-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2004 falls on Wednesday 24 March. Caturthī runs from 05:11 on Wed 24 Mar to 07:08 on Thu 25 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-03-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/lakshmi-panchami",
      "festival": "lakshmi-panchami",
      "name": "Lakṣmī Pañcamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-03-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9286,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2004-03-25T07:07:55+04:00",
          "utc": "2004-03-25T03:07:55Z",
          "ms": 1080184075460.9939
        },
        "end": {
          "local": "2004-03-26T09:29:27+04:00",
          "utc": "2004-03-26T05:29:27Z",
          "ms": 1080278966950.1282
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-03-25T07:07:55+04:00",
          "utc": "2004-03-25T03:07:55Z",
          "ms": 1080184075460.9939
        },
        "end": {
          "local": "2004-03-26T09:29:27+04:00",
          "utc": "2004-03-26T05:29:27Z",
          "ms": 1080278966950.1282
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-03-25",
          "window": {
            "start": {
              "local": "2004-03-25T12:04:31+04:00",
              "utc": "2004-03-25T08:04:31Z",
              "ms": 1080201871181.0596
            },
            "end": {
              "local": "2004-03-25T12:52:31+04:00",
              "utc": "2004-03-25T08:52:31Z",
              "ms": 1080204751181.0596
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-03-26",
          "window": {
            "start": {
              "local": "2004-03-26T12:04:13+04:00",
              "utc": "2004-03-26T08:04:13Z",
              "ms": 1080288253075.0459
            },
            "end": {
              "local": "2004-03-26T12:52:13+04:00",
              "utc": "2004-03-26T08:52:13Z",
              "ms": 1080291133075.0459
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 07:08 on Thu 25 Mar to 09:29 on Fri 26 Mar.",
          "fact": "2004-03-25T03:07:55Z → 2004-03-26T05:29:27Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 25th, 12:04–12:52 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 9286 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pañcamī, Abu Dhabi, 2004: Thursday 25 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": "2004-03-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-03-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Lakṣmī Pañcamī 2004 falls on Thursday 25 March. Pañcamī runs from 07:08 on Thu 25 Mar to 09:29 on Fri 26 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/bhavani-utpatti",
      "festival": "bhavani-utpatti",
      "name": "Bhavānī Utpatti",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-03-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6300,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2004-03-28T14:36:37+04:00",
          "utc": "2004-03-28T10:36:37Z",
          "ms": 1080470197081.4264
        },
        "end": {
          "local": "2004-03-29T16:53:17+04:00",
          "utc": "2004-03-29T12:53:17Z",
          "ms": 1080564797308.0363
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-03-28T14:36:37+04:00",
          "utc": "2004-03-28T10:36:37Z",
          "ms": 1080470197081.4264
        },
        "end": {
          "local": "2004-03-29T16:53:17+04:00",
          "utc": "2004-03-29T12:53:17Z",
          "ms": 1080564797308.0363
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-03-28",
          "window": {
            "start": {
              "local": "2004-03-28T12:03:37+04:00",
              "utc": "2004-03-28T08:03:37Z",
              "ms": 1080461016833.7849
            },
            "end": {
              "local": "2004-03-28T12:51:37+04:00",
              "utc": "2004-03-28T08:51:37Z",
              "ms": 1080463896833.7849
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-03-29",
          "window": {
            "start": {
              "local": "2004-03-29T12:03:19+04:00",
              "utc": "2004-03-29T08:03:19Z",
              "ms": 1080547398736.5333
            },
            "end": {
              "local": "2004-03-29T12:51:19+04:00",
              "utc": "2004-03-29T08:51:19Z",
              "ms": 1080550278736.5333
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 14:37 on Sun 28 Mar to 16:53 on Mon 29 Mar.",
          "fact": "2004-03-28T10:36:37Z → 2004-03-29T12:53:17Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 28th, 12:03–12:51 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 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 6300 s"
        },
        {
          "step": "ruling",
          "text": "Bhavānī Utpatti, Abu Dhabi, 2004: Monday 29 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bhavani-utpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-03-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-03-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Bhavānī Utpatti 2004 falls on Monday 29 March. Aṣṭamī runs from 14:37 on Sun 28 Mar to 16:53 on Mon 29 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/rama-navami",
      "festival": "rama-navami",
      "name": "Rāma Navamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-03-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14519,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2004-03-29T16:53:17+04:00",
          "utc": "2004-03-29T12:53:17Z",
          "ms": 1080564797308.0363
        },
        "end": {
          "local": "2004-03-30T18:40:38+04:00",
          "utc": "2004-03-30T14:40:38Z",
          "ms": 1080657637573.6498
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-03-29T16:53:17+04:00",
          "utc": "2004-03-29T12:53:17Z",
          "ms": 1080564797308.0363
        },
        "end": {
          "local": "2004-03-30T18:40:38+04:00",
          "utc": "2004-03-30T14:40:38Z",
          "ms": 1080657637573.6498
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-03-29",
          "window": {
            "start": {
              "local": "2004-03-29T12:03:19+04:00",
              "utc": "2004-03-29T08:03:19Z",
              "ms": 1080547398736.5333
            },
            "end": {
              "local": "2004-03-29T12:51:19+04:00",
              "utc": "2004-03-29T08:51:19Z",
              "ms": 1080550278736.5333
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-03-30",
          "window": {
            "start": {
              "local": "2004-03-30T12:03:01+04:00",
              "utc": "2004-03-30T08:03:01Z",
              "ms": 1080633780680.6831
            },
            "end": {
              "local": "2004-03-30T12:51:01+04:00",
              "utc": "2004-03-30T08:51:01Z",
              "ms": 1080636660680.6831
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 16:53 on Mon 29 Mar to 18:41 on Tue 30 Mar.",
          "fact": "2004-03-29T12:53:17Z → 2004-03-30T14:40:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 29th, 12:03–12:51 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 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: unstated → only-day · margin 14519 s"
        },
        {
          "step": "ruling",
          "text": "Rāma Navamī, Abu Dhabi, 2004: Tuesday 30 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rama-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti."
          }
        ],
        "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.",
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-03-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-03-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Rāma Navamī 2004 falls on Tuesday 30 March. Navamī runs from 16:53 on Mon 29 Mar to 18:41 on Tue 30 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ekadashi?on=2004-04-01",
      "festival": "ekadashi",
      "name": "Kāmadā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-04-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36004,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-03-31T19:49:02+04:00",
          "utc": "2004-03-31T15:49:02Z",
          "ms": 1080748141898.0712
        },
        "end": {
          "local": "2004-04-01T20:13:21+04:00",
          "utc": "2004-04-01T16:13:21Z",
          "ms": 1080836000938.9757
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-03-31T19:49:02+04:00",
          "utc": "2004-03-31T15:49:02Z",
          "ms": 1080748141898.0712
        },
        "end": {
          "local": "2004-04-01T20:13:21+04:00",
          "utc": "2004-04-01T16:13:21Z",
          "ms": 1080836000938.9757
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-04-01",
          "window": {
            "start": {
              "local": "2004-04-01T06:14:26+04:00",
              "utc": "2004-04-01T02:14:26Z",
              "ms": 1080785665701.3452
            },
            "end": {
              "local": "2004-04-01T06:14:26+04:00",
              "utc": "2004-04-01T02:14:26Z",
              "ms": 1080785665701.3452
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-04-02",
          "window": {
            "start": {
              "local": "2004-04-02T06:13:25+04:00",
              "utc": "2004-04-02T02:13:25Z",
              "ms": 1080872005431.0034
            },
            "end": {
              "local": "2004-04-02T06:13:25+04:00",
              "utc": "2004-04-02T02:13:25Z",
              "ms": 1080872005431.0034
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 19:49 on Wed 31 Mar to 20:13 on Thu 1 Apr.",
          "fact": "2004-03-31T15:49:02Z → 2004-04-01T16:13:21Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:14 on the 1st and 06:13 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 36004 s"
        },
        {
          "step": "ruling",
          "text": "Kāmadā Ekādaśī, Abu Dhabi, 2004: Thursday 1 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": "2004-04-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-04-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kāmadā Ekādaśī 2004 falls on Thursday 1 April. Ekādaśī runs from 19:49 on Wed 31 Mar to 20:13 on Thu 1 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-04-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-04-02",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-04-02",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 663,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-04-02T19:52:48+04:00",
          "utc": "2004-04-02T15:52:48Z",
          "ms": 1080921168413.7319
        },
        "end": {
          "local": "2004-04-03T18:50:17+04:00",
          "utc": "2004-04-03T14:50:17Z",
          "ms": 1081003816513.3658
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-04-02T19:52:48+04:00",
          "utc": "2004-04-02T15:52:48Z",
          "ms": 1080921168413.7319
        },
        "end": {
          "local": "2004-04-03T18:50:17+04:00",
          "utc": "2004-04-03T14:50:17Z",
          "ms": 1081003816513.3658
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-04-02",
          "window": {
            "start": {
              "local": "2004-04-02T18:38:48+04:00",
              "utc": "2004-04-02T14:38:48Z",
              "ms": 1080916728491.7196
            },
            "end": {
              "local": "2004-04-02T20:11:17+04:00",
              "utc": "2004-04-02T16:11:17Z",
              "ms": 1080922277410.2721
            }
          },
          "covered_min": 18,
          "window_min": 92,
          "qualifies": true
        },
        {
          "local_date": "2004-04-03",
          "window": {
            "start": {
              "local": "2004-04-03T18:39:13+04:00",
              "utc": "2004-04-03T14:39:13Z",
              "ms": 1081003153165.4725
            },
            "end": {
              "local": "2004-04-03T20:11:31+04:00",
              "utc": "2004-04-03T16:11:31Z",
              "ms": 1081008690820.5947
            }
          },
          "covered_min": 11,
          "window_min": 92,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:53 on Fri 2 Apr to 18:50 on Sat 3 Apr.",
          "fact": "2004-04-02T15:52:48Z → 2004-04-03T14:50:17Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:39–20:11 on the 2nd, 18:39–20:12 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 18 of 92 minutes on the 2nd and 11 of 92 on the 3rd.",
          "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 663 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2004: Friday 2 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": "2004-04-02",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-04-02",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2004 falls on Friday 2 April. Trayodaśī runs from 19:53 on Fri 2 Apr to 18:50 on Sat 3 Apr and covers 18 of 92 minutes of pradoṣa that evening. It also reaches the next evening for 11 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/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-04-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/ananga-trayodashi",
      "festival": "ananga-trayodashi",
      "name": "Anaṅga Trayodaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-04-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21627,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-04-02T19:52:48+04:00",
          "utc": "2004-04-02T15:52:48Z",
          "ms": 1080921168413.7319
        },
        "end": {
          "local": "2004-04-03T18:50:17+04:00",
          "utc": "2004-04-03T14:50:17Z",
          "ms": 1081003816513.3658
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-04-02T19:52:48+04:00",
          "utc": "2004-04-02T15:52:48Z",
          "ms": 1080921168413.7319
        },
        "end": {
          "local": "2004-04-03T18:50:17+04:00",
          "utc": "2004-04-03T14:50:17Z",
          "ms": 1081003816513.3658
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-04-02",
          "window": {
            "start": {
              "local": "2004-04-02T12:02:07+04:00",
              "utc": "2004-04-02T08:02:07Z",
              "ms": 1080892926961.3616
            },
            "end": {
              "local": "2004-04-02T12:50:07+04:00",
              "utc": "2004-04-02T08:50:07Z",
              "ms": 1080895806961.3616
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-04-03",
          "window": {
            "start": {
              "local": "2004-04-03T12:01:49+04:00",
              "utc": "2004-04-03T08:01:49Z",
              "ms": 1080979309273.1677
            },
            "end": {
              "local": "2004-04-03T12:49:49+04:00",
              "utc": "2004-04-03T08:49:49Z",
              "ms": 1080982189273.1677
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:53 on Fri 2 Apr to 18:50 on Sat 3 Apr.",
          "fact": "2004-04-02T15:52:48Z → 2004-04-03T14:50:17Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 2nd, 12:02–12:50 on the 3rd.",
          "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 2nd and 48 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 21627 s"
        },
        {
          "step": "ruling",
          "text": "Anaṅga Trayodaśī, Abu Dhabi, 2004: Saturday 3 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": "2004-04-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-04-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Anaṅga Trayodaśī 2004 falls on Saturday 3 April. Trayodaśī runs from 19:53 on Fri 2 Apr to 18:50 on Sat 3 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/vishnu-damanaka-chaturdashi",
      "festival": "vishnu-damanaka-chaturdashi",
      "name": "Viṣṇudamanaka Caturdaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-04-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15702,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2004-04-03T18:50:17+04:00",
          "utc": "2004-04-03T14:50:17Z",
          "ms": 1081003816513.3658
        },
        "end": {
          "local": "2004-04-04T17:11:14+04:00",
          "utc": "2004-04-04T13:11:14Z",
          "ms": 1081084273990.966
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-04-03T18:50:17+04:00",
          "utc": "2004-04-03T14:50:17Z",
          "ms": 1081003816513.3658
        },
        "end": {
          "local": "2004-04-04T17:11:14+04:00",
          "utc": "2004-04-04T13:11:14Z",
          "ms": 1081084273990.966
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-04-03",
          "window": {
            "start": {
              "local": "2004-04-03T12:01:49+04:00",
              "utc": "2004-04-03T08:01:49Z",
              "ms": 1080979309273.1677
            },
            "end": {
              "local": "2004-04-03T12:49:49+04:00",
              "utc": "2004-04-03T08:49:49Z",
              "ms": 1080982189273.1677
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-04-04",
          "window": {
            "start": {
              "local": "2004-04-04T12:01:32+04:00",
              "utc": "2004-04-04T08:01:32Z",
              "ms": 1081065691729.8354
            },
            "end": {
              "local": "2004-04-04T12:49:32+04:00",
              "utc": "2004-04-04T08:49:32Z",
              "ms": 1081068571729.8354
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 18:50 on Sat 3 Apr to 17:11 on Sun 4 Apr.",
          "fact": "2004-04-03T14:50:17Z → 2004-04-04T13:11:14Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 3rd, 12:02–12:50 on the 4th.",
          "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 3rd and 48 of 48 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 15702 s"
        },
        {
          "step": "ruling",
          "text": "Viṣṇudamanaka Caturdaśī, Abu Dhabi, 2004: Sunday 4 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": "2004-04-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-04-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Viṣṇudamanaka Caturdaśī 2004 falls on Sunday 4 April. Caturdaśī runs from 18:50 on Sat 3 Apr to 17:11 on Sun 4 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/chaitri-purnima",
      "festival": "chaitri-purnima",
      "name": "Caitrī Pūrṇimā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-04-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8011,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2004-04-04T17:11:14+04:00",
          "utc": "2004-04-04T13:11:14Z",
          "ms": 1081084273990.966
        },
        "end": {
          "local": "2004-04-05T15:02:45+04:00",
          "utc": "2004-04-05T11:02:45Z",
          "ms": 1081162965196.5399
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-04-04T17:11:14+04:00",
          "utc": "2004-04-04T13:11:14Z",
          "ms": 1081084273990.966
        },
        "end": {
          "local": "2004-04-05T15:02:45+04:00",
          "utc": "2004-04-05T11:02:45Z",
          "ms": 1081162965196.5399
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-04-04",
          "window": {
            "start": {
              "local": "2004-04-04T12:01:32+04:00",
              "utc": "2004-04-04T08:01:32Z",
              "ms": 1081065691729.8354
            },
            "end": {
              "local": "2004-04-04T12:49:32+04:00",
              "utc": "2004-04-04T08:49:32Z",
              "ms": 1081068571729.8354
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-04-05",
          "window": {
            "start": {
              "local": "2004-04-05T12:01:14+04:00",
              "utc": "2004-04-05T08:01:14Z",
              "ms": 1081152074353.615
            },
            "end": {
              "local": "2004-04-05T12:49:14+04:00",
              "utc": "2004-04-05T08:49:14Z",
              "ms": 1081154954353.615
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 17:11 on Sun 4 Apr to 15:03 on Mon 5 Apr.",
          "fact": "2004-04-04T13:11:14Z → 2004-04-05T11:02:45Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 4th, 12:01–12:49 on the 5th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 8011 s"
        },
        {
          "step": "ruling",
          "text": "Caitrī Pūrṇimā, Abu Dhabi, 2004: Monday 5 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": "2004-04-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-04-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Caitrī Pūrṇimā 2004 falls on Monday 5 April. Pūrṇimā runs from 17:11 on Sun 4 Apr to 15:03 on Mon 5 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-04-08",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-04-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21892,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-04-08T06:59:02+04:00",
          "utc": "2004-04-08T02:59:02Z",
          "ms": 1081393142248.4956
        },
        "end": {
          "local": "2004-04-09T04:10:06+04:00",
          "utc": "2004-04-09T00:10:06Z",
          "ms": 1081469405681.7521
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-04-08T06:59:02+04:00",
          "utc": "2004-04-08T02:59:02Z",
          "ms": 1081393142248.4956
        },
        "end": {
          "local": "2004-04-09T04:10:06+04:00",
          "utc": "2004-04-09T00:10:06Z",
          "ms": 1081469405681.7521
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-04-07",
          "window": {
            "start": {
              "local": "2004-04-07T20:56:52+04:00",
              "utc": "2004-04-07T16:56:52Z",
              "ms": 1081357012212.8815
            },
            "end": {
              "local": "2004-04-07T20:56:52+04:00",
              "utc": "2004-04-07T16:56:52Z",
              "ms": 1081357012212.8815
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-04-08",
          "window": {
            "start": {
              "local": "2004-04-08T22:05:14+04:00",
              "utc": "2004-04-08T18:05:14Z",
              "ms": 1081447513768.2961
            },
            "end": {
              "local": "2004-04-08T22:05:14+04:00",
              "utc": "2004-04-08T18:05:14Z",
              "ms": 1081447513768.2961
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:59 on Thu 8 Apr to 04:10 on Fri 9 Apr.",
          "fact": "2004-04-08T02:59:02Z → 2004-04-09T00:10:06Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:57 on the 7th and 22:05 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 21892 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2004: Thursday 8 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": "2004-04-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-04-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2004 falls on Thursday 8 April. Caturthī runs from 06:59 on Thu 8 Apr to 04:10 on Fri 9 Apr and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-04-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/vaishakhi",
      "festival": "vaishakhi",
      "name": "Vaiśākhī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-04-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37776,
      "anga": {
        "type": "sankranti",
        "index": 0,
        "key": "mesha",
        "name": "Meṣa",
        "start": {
          "local": "2004-04-13T16:32:19+04:00",
          "utc": "2004-04-13T12:32:19Z",
          "ms": 1081859539241.1885
        },
        "end": {
          "local": "2004-05-14T13:25:30+04:00",
          "utc": "2004-05-14T09:25:30Z",
          "ms": 1084526730015.0026
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2004-04-13T16:32:19+04:00",
          "utc": "2004-04-13T12:32:19Z",
          "ms": 1081859539241.1885
        },
        "end": {
          "local": "2004-04-13T16:32:19+04:00",
          "utc": "2004-04-13T12:32:19Z",
          "ms": 1081859539241.1885
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2004-04-12",
          "window": {
            "start": {
              "local": "2004-04-12T06:03:39+04:00",
              "utc": "2004-04-12T02:03:39Z",
              "ms": 1081735419492.5269
            },
            "end": {
              "local": "2004-04-13T06:02:43+04:00",
              "utc": "2004-04-13T02:02:43Z",
              "ms": 1081821763186.7375
            }
          },
          "covered_min": 0,
          "window_min": 1439,
          "qualifies": false
        },
        {
          "local_date": "2004-04-13",
          "window": {
            "start": {
              "local": "2004-04-13T06:02:43+04:00",
              "utc": "2004-04-13T02:02:43Z",
              "ms": 1081821763186.7375
            },
            "end": {
              "local": "2004-04-14T06:01:47+04:00",
              "utc": "2004-04-14T02:01:47Z",
              "ms": 1081908107401.6096
            }
          },
          "covered_min": 1,
          "window_min": 1439,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Meṣa at 16:32 on Tue 13 Apr.",
          "fact": "2004-04-13T12:32:19Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 06:04 on the 12th, and from 06:03 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 37776 s"
        },
        {
          "step": "ruling",
          "text": "Vaiśākhī, Abu Dhabi, 2004: Tuesday 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": "2004-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2004-04-13",
          "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": "2004-04-13",
          "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 Abu Dhabi, Vaiśākhī 2004 falls on Tuesday 13 April. The Sun enters Meṣa at 16:32 on Tue 13 Apr, and the rule counts the day from sunrise.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ekadashi?on=2004-04-15",
      "festival": "ekadashi",
      "name": "Varūthinī Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-04-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34302,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-04-14T16:13:57+04:00",
          "utc": "2004-04-14T12:13:57Z",
          "ms": 1081944837428.6091
        },
        "end": {
          "local": "2004-04-15T15:32:34+04:00",
          "utc": "2004-04-15T11:32:34Z",
          "ms": 1082028753893.4353
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-04-14T16:13:57+04:00",
          "utc": "2004-04-14T12:13:57Z",
          "ms": 1081944837428.6091
        },
        "end": {
          "local": "2004-04-15T15:32:34+04:00",
          "utc": "2004-04-15T11:32:34Z",
          "ms": 1082028753893.4353
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-04-14",
          "window": {
            "start": {
              "local": "2004-04-14T06:01:47+04:00",
              "utc": "2004-04-14T02:01:47Z",
              "ms": 1081908107401.6096
            },
            "end": {
              "local": "2004-04-14T06:01:47+04:00",
              "utc": "2004-04-14T02:01:47Z",
              "ms": 1081908107401.6096
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-04-15",
          "window": {
            "start": {
              "local": "2004-04-15T06:00:52+04:00",
              "utc": "2004-04-15T02:00:52Z",
              "ms": 1081994452160.7144
            },
            "end": {
              "local": "2004-04-15T06:00:52+04:00",
              "utc": "2004-04-15T02:00:52Z",
              "ms": 1081994452160.7144
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 16:14 on Wed 14 Apr to 15:33 on Thu 15 Apr.",
          "fact": "2004-04-14T12:13:57Z → 2004-04-15T11:32:34Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:02 on the 14th and 06:01 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 34302 s"
        },
        {
          "step": "ruling",
          "text": "Varūthinī Ekādaśī, Abu Dhabi, 2004: Thursday 15 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": "2004-04-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-04-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Varūthinī Ekādaśī 2004 falls on Thursday 15 April. Ekādaśī runs from 16:14 on Wed 14 Apr to 15:33 on Thu 15 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-04-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-04-16",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-04-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11661,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-04-16T15:17:53+04:00",
          "utc": "2004-04-16T11:17:53Z",
          "ms": 1082114272738.1708
        },
        "end": {
          "local": "2004-04-17T15:30:49+04:00",
          "utc": "2004-04-17T11:30:49Z",
          "ms": 1082201448563.443
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-04-16T15:17:53+04:00",
          "utc": "2004-04-16T11:17:53Z",
          "ms": 1082114272738.1708
        },
        "end": {
          "local": "2004-04-17T15:30:49+04:00",
          "utc": "2004-04-17T11:30:49Z",
          "ms": 1082201448563.443
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-04-16",
          "window": {
            "start": {
              "local": "2004-04-16T18:44:43+04:00",
              "utc": "2004-04-16T14:44:43Z",
              "ms": 1082126683012.9202
            },
            "end": {
              "local": "2004-04-16T20:14:38+04:00",
              "utc": "2004-04-16T16:14:38Z",
              "ms": 1082132077731.477
            }
          },
          "covered_min": 90,
          "window_min": 90,
          "qualifies": true
        },
        {
          "local_date": "2004-04-17",
          "window": {
            "start": {
              "local": "2004-04-17T18:45:09+04:00",
              "utc": "2004-04-17T14:45:09Z",
              "ms": 1082213109449.71
            },
            "end": {
              "local": "2004-04-17T20:14:54+04:00",
              "utc": "2004-04-17T16:14:54Z",
              "ms": 1082218493513.487
            }
          },
          "covered_min": 0,
          "window_min": 90,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 15:18 on Fri 16 Apr to 15:31 on Sat 17 Apr.",
          "fact": "2004-04-16T11:17:53Z → 2004-04-17T11:30:49Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:45–20:15 on the 16th, 18:45–20:15 on the 17th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 90 of 90 minutes on the 16th and 0 of 90 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 11661 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2004: Friday 16 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": "2004-04-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-04-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2004 falls on Friday 16 April. Trayodaśī runs from 15:18 on Fri 16 Apr to 15:31 on Sat 17 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-04-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/shivaratri?on=2004-04-17",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-04-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27931,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2004-04-17T15:30:49+04:00",
          "utc": "2004-04-17T11:30:49Z",
          "ms": 1082201448563.443
        },
        "end": {
          "local": "2004-04-18T16:11:56+04:00",
          "utc": "2004-04-18T12:11:56Z",
          "ms": 1082290315922.4846
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-04-17T15:30:49+04:00",
          "utc": "2004-04-17T11:30:49Z",
          "ms": 1082201448563.443
        },
        "end": {
          "local": "2004-04-18T16:11:56+04:00",
          "utc": "2004-04-18T12:11:56Z",
          "ms": 1082290315922.4846
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2004-04-17",
          "window": {
            "start": {
              "local": "2004-04-17T23:57:40+04:00",
              "utc": "2004-04-17T19:57:40Z",
              "ms": 1082231859688.8741
            },
            "end": {
              "local": "2004-04-18T00:45:40+04:00",
              "utc": "2004-04-17T20:45:40Z",
              "ms": 1082234739688.8741
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-04-18",
          "window": {
            "start": {
              "local": "2004-04-18T23:57:27+04:00",
              "utc": "2004-04-18T19:57:27Z",
              "ms": 1082318246573.9567
            },
            "end": {
              "local": "2004-04-19T00:45:27+04:00",
              "utc": "2004-04-18T20:45:27Z",
              "ms": 1082321126573.9567
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 15:31 on Sat 17 Apr to 16:12 on Sun 18 Apr.",
          "fact": "2004-04-17T11:30:49Z → 2004-04-18T12:11:56Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:58–00:46 on the 17th, 23:57–00:45 on the 18th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 27931 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2004: Saturday 17 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": "2004-04-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-04-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2004 falls on Saturday 17 April. Caturdaśī runs from 15:31 on Sat 17 Apr to 16:12 on Sun 18 Apr and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/shivaratri?on=2004-04-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/akshaya-tritiya",
      "festival": "akshaya-tritiya",
      "name": "Akṣaya Tṛtīyā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-04-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23777,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2004-04-21T20:57:57+04:00",
          "utc": "2004-04-21T16:57:57Z",
          "ms": 1082566676863.9208
        },
        "end": {
          "local": "2004-04-22T23:17:35+04:00",
          "utc": "2004-04-22T19:17:35Z",
          "ms": 1082661455173.0875
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-04-21T20:57:57+04:00",
          "utc": "2004-04-21T16:57:57Z",
          "ms": 1082566676863.9208
        },
        "end": {
          "local": "2004-04-22T23:17:35+04:00",
          "utc": "2004-04-22T19:17:35Z",
          "ms": 1082661455173.0875
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2004-04-22",
          "window": {
            "start": {
              "local": "2004-04-22T05:54:43+04:00",
              "utc": "2004-04-22T01:54:43Z",
              "ms": 1082598882557.6085
            },
            "end": {
              "local": "2004-04-22T10:12:16+04:00",
              "utc": "2004-04-22T06:12:16Z",
              "ms": 1082614336459.5245
            }
          },
          "covered_min": 258,
          "window_min": 258,
          "qualifies": true
        },
        {
          "local_date": "2004-04-23",
          "window": {
            "start": {
              "local": "2004-04-23T05:53:52+04:00",
              "utc": "2004-04-23T01:53:52Z",
              "ms": 1082685232449.7623
            },
            "end": {
              "local": "2004-04-23T10:11:52+04:00",
              "utc": "2004-04-23T06:11:52Z",
              "ms": 1082700712214.9532
            }
          },
          "covered_min": 0,
          "window_min": 258,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 20:58 on Wed 21 Apr to 23:18 on Thu 22 Apr.",
          "fact": "2004-04-21T16:57:57Z → 2004-04-22T19:17:35Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:55–10:12 on the 22nd, 05:54–10:12 on the 23rd.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 258 of 258 minutes on the 22nd and 0 of 258 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one forenoon qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 23777 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Tṛtīyā, Abu Dhabi, 2004: Thursday 22 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akshaya-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)."
          }
        ],
        "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.",
        "kaala": "purvahna",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-04-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-04-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Akṣaya Tṛtīyā 2004 falls on Thursday 22 April. Tṛtīyā runs from 20:58 on Wed 21 Apr to 23:18 on Thu 22 Apr and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/parashurama-jayanti",
      "festival": "parashurama-jayanti",
      "name": "Paraśurāma Jayantī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-04-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2518,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2004-04-21T20:57:57+04:00",
          "utc": "2004-04-21T16:57:57Z",
          "ms": 1082566676863.9208
        },
        "end": {
          "local": "2004-04-22T23:17:35+04:00",
          "utc": "2004-04-22T19:17:35Z",
          "ms": 1082661455173.0875
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-04-21T20:57:57+04:00",
          "utc": "2004-04-21T16:57:57Z",
          "ms": 1082566676863.9208
        },
        "end": {
          "local": "2004-04-22T23:17:35+04:00",
          "utc": "2004-04-22T19:17:35Z",
          "ms": 1082661455173.0875
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-04-21",
          "window": {
            "start": {
              "local": "2004-04-21T18:46:57+04:00",
              "utc": "2004-04-21T14:46:57Z",
              "ms": 1082558816952.3044
            },
            "end": {
              "local": "2004-04-21T20:15:59+04:00",
              "utc": "2004-04-21T16:15:59Z",
              "ms": 1082564159033.0116
            }
          },
          "covered_min": 0,
          "window_min": 89,
          "qualifies": false
        },
        {
          "local_date": "2004-04-22",
          "window": {
            "start": {
              "local": "2004-04-22T18:47:24+04:00",
              "utc": "2004-04-22T14:47:24Z",
              "ms": 1082645244263.3567
            },
            "end": {
              "local": "2004-04-22T20:16:16+04:00",
              "utc": "2004-04-22T16:16:16Z",
              "ms": 1082650576021.5441
            }
          },
          "covered_min": 89,
          "window_min": 89,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 20:58 on Wed 21 Apr to 23:18 on Thu 22 Apr.",
          "fact": "2004-04-21T16:57:57Z → 2004-04-22T19:17:35Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:16 on the 21st, 18:47–20:16 on the 22nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 89 minutes on the 21st and 89 of 89 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 2518 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Jayantī, Abu Dhabi, 2004: Thursday 22 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "parashurama-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)."
          }
        ],
        "kaala": "pradosha",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-04-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-04-22",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Paraśurāma Jayantī 2004 falls on Thursday 22 April. Tṛtīyā runs from 20:58 on Wed 21 Apr to 23:18 on Thu 22 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-04-23",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-04-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36474,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-04-22T23:17:35+04:00",
          "utc": "2004-04-22T19:17:35Z",
          "ms": 1082661455173.0875
        },
        "end": {
          "local": "2004-04-24T01:48:47+04:00",
          "utc": "2004-04-23T21:48:47Z",
          "ms": 1082756927441.8989
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-04-22T23:17:35+04:00",
          "utc": "2004-04-22T19:17:35Z",
          "ms": 1082661455173.0875
        },
        "end": {
          "local": "2004-04-24T01:48:47+04:00",
          "utc": "2004-04-23T21:48:47Z",
          "ms": 1082756927441.8989
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-04-23",
          "window": {
            "start": {
              "local": "2004-04-23T11:56:52+04:00",
              "utc": "2004-04-23T07:56:52Z",
              "ms": 1082707012097.5488
            },
            "end": {
              "local": "2004-04-23T12:44:52+04:00",
              "utc": "2004-04-23T08:44:52Z",
              "ms": 1082709892097.5488
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-04-24",
          "window": {
            "start": {
              "local": "2004-04-24T11:56:41+04:00",
              "utc": "2004-04-24T07:56:41Z",
              "ms": 1082793401236.4305
            },
            "end": {
              "local": "2004-04-24T12:44:41+04:00",
              "utc": "2004-04-24T08:44:41Z",
              "ms": 1082796281236.4305
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:18 on Thu 22 Apr to 01:49 on Sat 24 Apr.",
          "fact": "2004-04-22T19:17:35Z → 2004-04-23T21:48:47Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 23rd, 11:57–12:45 on the 24th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 36474 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2004: Friday 23 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-04-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-04-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2004 falls on Friday 23 April. Caturthī runs from 23:18 on Thu 22 Apr to 01:49 on Sat 24 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-04-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/shankara-jayanti",
      "festival": "shankara-jayanti",
      "name": "Śaṅkara Jayantī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-04-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27299,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2004-04-24T01:48:47+04:00",
          "utc": "2004-04-23T21:48:47Z",
          "ms": 1082756927441.8989
        },
        "end": {
          "local": "2004-04-25T04:21:31+04:00",
          "utc": "2004-04-25T00:21:31Z",
          "ms": 1082852491371.0292
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-04-24T01:48:47+04:00",
          "utc": "2004-04-23T21:48:47Z",
          "ms": 1082756927441.8989
        },
        "end": {
          "local": "2004-04-25T04:21:31+04:00",
          "utc": "2004-04-25T00:21:31Z",
          "ms": 1082852491371.0292
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-04-24",
          "window": {
            "start": {
              "local": "2004-04-24T11:56:41+04:00",
              "utc": "2004-04-24T07:56:41Z",
              "ms": 1082793401236.4305
            },
            "end": {
              "local": "2004-04-24T12:44:41+04:00",
              "utc": "2004-04-24T08:44:41Z",
              "ms": 1082796281236.4305
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-04-25",
          "window": {
            "start": {
              "local": "2004-04-25T11:56:31+04:00",
              "utc": "2004-04-25T07:56:31Z",
              "ms": 1082879790836.0549
            },
            "end": {
              "local": "2004-04-25T12:44:31+04:00",
              "utc": "2004-04-25T08:44:31Z",
              "ms": 1082882670836.0549
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 01:49 on Sat 24 Apr to 04:22 on Sun 25 Apr.",
          "fact": "2004-04-23T21:48:47Z → 2004-04-25T00:21:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 24th, 11:57–12:45 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 27299 s"
        },
        {
          "step": "ruling",
          "text": "Śaṅkara Jayantī, Abu Dhabi, 2004: Saturday 24 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shankara-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sankara jayanti."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-04-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-04-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śaṅkara Jayantī 2004 falls on Saturday 24 April. Pañcamī runs from 01:49 on Sat 24 Apr to 04:22 on Sun 25 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/gangotpatti",
      "festival": "gangotpatti",
      "name": "Gaṅgotpatti",
      "everyday": "Ganga Saptami",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-04-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11517,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2004-04-26T06:44:03+04:00",
          "utc": "2004-04-26T02:44:03Z",
          "ms": 1082947442667.5844
        },
        "end": {
          "local": "2004-04-27T08:44:14+04:00",
          "utc": "2004-04-27T04:44:14Z",
          "ms": 1083041054212.7664
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-04-26T06:44:03+04:00",
          "utc": "2004-04-26T02:44:03Z",
          "ms": 1082947442667.5844
        },
        "end": {
          "local": "2004-04-27T08:44:14+04:00",
          "utc": "2004-04-27T04:44:14Z",
          "ms": 1083041054212.7664
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-04-26",
          "window": {
            "start": {
              "local": "2004-04-26T11:56:21+04:00",
              "utc": "2004-04-26T07:56:21Z",
              "ms": 1082966180905.1824
            },
            "end": {
              "local": "2004-04-26T12:44:21+04:00",
              "utc": "2004-04-26T08:44:21Z",
              "ms": 1082969060905.1824
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-04-27",
          "window": {
            "start": {
              "local": "2004-04-27T11:56:11+04:00",
              "utc": "2004-04-27T07:56:11Z",
              "ms": 1083052571452.4264
            },
            "end": {
              "local": "2004-04-27T12:44:11+04:00",
              "utc": "2004-04-27T08:44:11Z",
              "ms": 1083055451452.4264
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 06:44 on Mon 26 Apr to 08:44 on Tue 27 Apr.",
          "fact": "2004-04-26T02:44:03Z → 2004-04-27T04:44:14Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 26th, 11:56–12:44 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 11517 s"
        },
        {
          "step": "ruling",
          "text": "Gaṅgotpatti, Abu Dhabi, 2004: Monday 26 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gangotpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-04-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-04-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Gaṅgotpatti (Ganga Saptami) 2004 falls on Monday 26 April. Saptamī runs from 06:44 on Mon 26 Apr to 08:44 on Tue 27 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ekadashi?on=2004-05-01",
      "festival": "ekadashi",
      "name": "Mohinī Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-05-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15652,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-04-30T10:56:08+04:00",
          "utc": "2004-04-30T06:56:08Z",
          "ms": 1083308168347.1486
        },
        "end": {
          "local": "2004-05-01T10:08:32+04:00",
          "utc": "2004-05-01T06:08:32Z",
          "ms": 1083391712175.7961
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-04-30T10:56:08+04:00",
          "utc": "2004-04-30T06:56:08Z",
          "ms": 1083308168347.1486
        },
        "end": {
          "local": "2004-05-01T10:08:32+04:00",
          "utc": "2004-05-01T06:08:32Z",
          "ms": 1083391712175.7961
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-04-30",
          "window": {
            "start": {
              "local": "2004-04-30T05:48:23+04:00",
              "utc": "2004-04-30T01:48:23Z",
              "ms": 1083289703430.5039
            },
            "end": {
              "local": "2004-04-30T05:48:23+04:00",
              "utc": "2004-04-30T01:48:23Z",
              "ms": 1083289703430.5039
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-05-01",
          "window": {
            "start": {
              "local": "2004-05-01T05:47:40+04:00",
              "utc": "2004-05-01T01:47:40Z",
              "ms": 1083376059780.7343
            },
            "end": {
              "local": "2004-05-01T05:47:40+04:00",
              "utc": "2004-05-01T01:47:40Z",
              "ms": 1083376059780.7343
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 10:56 on Fri 30 Apr to 10:09 on Sat 1 May.",
          "fact": "2004-04-30T06:56:08Z → 2004-05-01T06:08:32Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:48 on the 30th and 05:48 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 15652 s"
        },
        {
          "step": "ruling",
          "text": "Mohinī Ekādaśī, Abu Dhabi, 2004: Saturday 1 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": "2004-05-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-05-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Mohinī Ekādaśī 2004 falls on Saturday 1 May. Ekādaśī runs from 10:56 on Fri 30 Apr to 10:09 on Sat 1 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-05-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/parashurama-dvadashi",
      "festival": "parashurama-dvadashi",
      "name": "Paraśurāma Dvādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-05-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6426,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2004-05-01T10:08:32+04:00",
          "utc": "2004-05-01T06:08:32Z",
          "ms": 1083391712175.7961
        },
        "end": {
          "local": "2004-05-02T08:36:24+04:00",
          "utc": "2004-05-02T04:36:24Z",
          "ms": 1083472584322.5112
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-05-01T10:08:32+04:00",
          "utc": "2004-05-01T06:08:32Z",
          "ms": 1083391712175.7961
        },
        "end": {
          "local": "2004-05-02T08:36:24+04:00",
          "utc": "2004-05-02T04:36:24Z",
          "ms": 1083472584322.5112
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-05-01",
          "window": {
            "start": {
              "local": "2004-05-01T11:55:39+04:00",
              "utc": "2004-05-01T07:55:39Z",
              "ms": 1083398138592.679
            },
            "end": {
              "local": "2004-05-01T12:43:39+04:00",
              "utc": "2004-05-01T08:43:39Z",
              "ms": 1083401018592.679
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-05-02",
          "window": {
            "start": {
              "local": "2004-05-02T11:55:32+04:00",
              "utc": "2004-05-02T07:55:32Z",
              "ms": 1083484531658.9319
            },
            "end": {
              "local": "2004-05-02T12:43:32+04:00",
              "utc": "2004-05-02T08:43:32Z",
              "ms": 1083487411658.9319
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 10:09 on Sat 1 May to 08:36 on Sun 2 May.",
          "fact": "2004-05-01T06:08:32Z → 2004-05-02T04:36:24Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 1st, 11:56–12:44 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 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 6426 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Dvādaśī, Abu Dhabi, 2004: Saturday 1 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": "2004-05-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-05-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Paraśurāma Dvādaśī 2004 falls on Saturday 1 May. Dvādaśī runs from 10:09 on Sat 1 May to 08:36 on Sun 2 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/rukmini-dvadashi",
      "festival": "rukmini-dvadashi",
      "name": "Rukmiṇī Dvādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-05-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6426,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2004-05-01T10:08:32+04:00",
          "utc": "2004-05-01T06:08:32Z",
          "ms": 1083391712175.7961
        },
        "end": {
          "local": "2004-05-02T08:36:24+04:00",
          "utc": "2004-05-02T04:36:24Z",
          "ms": 1083472584322.5112
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-05-01T10:08:32+04:00",
          "utc": "2004-05-01T06:08:32Z",
          "ms": 1083391712175.7961
        },
        "end": {
          "local": "2004-05-02T08:36:24+04:00",
          "utc": "2004-05-02T04:36:24Z",
          "ms": 1083472584322.5112
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-05-01",
          "window": {
            "start": {
              "local": "2004-05-01T11:55:39+04:00",
              "utc": "2004-05-01T07:55:39Z",
              "ms": 1083398138592.679
            },
            "end": {
              "local": "2004-05-01T12:43:39+04:00",
              "utc": "2004-05-01T08:43:39Z",
              "ms": 1083401018592.679
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-05-02",
          "window": {
            "start": {
              "local": "2004-05-02T11:55:32+04:00",
              "utc": "2004-05-02T07:55:32Z",
              "ms": 1083484531658.9319
            },
            "end": {
              "local": "2004-05-02T12:43:32+04:00",
              "utc": "2004-05-02T08:43:32Z",
              "ms": 1083487411658.9319
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 10:09 on Sat 1 May to 08:36 on Sun 2 May.",
          "fact": "2004-05-01T06:08:32Z → 2004-05-02T04:36:24Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 1st, 11:56–12:44 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 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 6426 s"
        },
        {
          "step": "ruling",
          "text": "Rukmiṇī Dvādaśī, Abu Dhabi, 2004: Saturday 1 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": "2004-05-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-05-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Rukmiṇī Dvādaśī 2004 falls on Saturday 1 May. Dvādaśī runs from 10:09 on Sat 1 May to 08:36 on Sun 2 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-05-02",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-05-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36336,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-05-02T08:36:24+04:00",
          "utc": "2004-05-02T04:36:24Z",
          "ms": 1083472584322.5112
        },
        "end": {
          "local": "2004-05-03T06:24:55+04:00",
          "utc": "2004-05-03T02:24:55Z",
          "ms": 1083551095200.2753
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-05-02T08:36:24+04:00",
          "utc": "2004-05-02T04:36:24Z",
          "ms": 1083472584322.5112
        },
        "end": {
          "local": "2004-05-03T06:24:55+04:00",
          "utc": "2004-05-03T02:24:55Z",
          "ms": 1083551095200.2753
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-05-01",
          "window": {
            "start": {
              "local": "2004-05-01T18:51:37+04:00",
              "utc": "2004-05-01T14:51:37Z",
              "ms": 1083423097404.6238
            },
            "end": {
              "local": "2004-05-01T20:19:00+04:00",
              "utc": "2004-05-01T16:19:00Z",
              "ms": 1083428340021.5765
            }
          },
          "covered_min": 0,
          "window_min": 87,
          "qualifies": false
        },
        {
          "local_date": "2004-05-02",
          "window": {
            "start": {
              "local": "2004-05-02T18:52:06+04:00",
              "utc": "2004-05-02T14:52:06Z",
              "ms": 1083509526286.0942
            },
            "end": {
              "local": "2004-05-02T20:19:19+04:00",
              "utc": "2004-05-02T16:19:19Z",
              "ms": 1083514759475.2837
            }
          },
          "covered_min": 87,
          "window_min": 87,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 08:36 on Sun 2 May to 06:25 on Mon 3 May.",
          "fact": "2004-05-02T04:36:24Z → 2004-05-03T02:24:55Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:19 on the 1st, 18:52–20:19 on the 2nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 87 minutes on the 1st and 87 of 87 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 36336 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2004: Sunday 2 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": "2004-05-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-05-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2004 falls on Sunday 2 May. Trayodaśī runs from 08:36 on Sun 2 May to 06:25 on Mon 3 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-05-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/nrisimha-chaturdashi",
      "festival": "nrisimha-chaturdashi",
      "name": "Nṛsiṃha Caturdaśī",
      "everyday": "Narasimha Jayanti",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-05-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26491,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2004-05-03T06:24:55+04:00",
          "utc": "2004-05-03T02:24:55Z",
          "ms": 1083551095200.2753
        },
        "end": {
          "local": "2004-05-04T03:41:10+04:00",
          "utc": "2004-05-03T23:41:10Z",
          "ms": 1083627669950.0184
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-05-03T06:24:55+04:00",
          "utc": "2004-05-03T02:24:55Z",
          "ms": 1083551095200.2753
        },
        "end": {
          "local": "2004-05-04T03:41:10+04:00",
          "utc": "2004-05-03T23:41:10Z",
          "ms": 1083627669950.0184
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-05-02",
          "window": {
            "start": {
              "local": "2004-05-02T18:52:06+04:00",
              "utc": "2004-05-02T14:52:06Z",
              "ms": 1083509526286.0942
            },
            "end": {
              "local": "2004-05-02T20:19:19+04:00",
              "utc": "2004-05-02T16:19:19Z",
              "ms": 1083514759475.2837
            }
          },
          "covered_min": 0,
          "window_min": 87,
          "qualifies": false
        },
        {
          "local_date": "2004-05-03",
          "window": {
            "start": {
              "local": "2004-05-03T18:52:35+04:00",
              "utc": "2004-05-03T14:52:35Z",
              "ms": 1083595955307.1267
            },
            "end": {
              "local": "2004-05-03T20:19:39+04:00",
              "utc": "2004-05-03T16:19:39Z",
              "ms": 1083601179175.7664
            }
          },
          "covered_min": 87,
          "window_min": 87,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 06:25 on Mon 3 May to 03:41 on Tue 4 May.",
          "fact": "2004-05-03T02:24:55Z → 2004-05-03T23:41:10Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:19 on the 2nd, 18:53–20:20 on the 3rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 87 minutes on the 2nd and 87 of 87 on the 3rd.",
          "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 26491 s"
        },
        {
          "step": "ruling",
          "text": "Nṛsiṃha Caturdaśī, Abu Dhabi, 2004: Monday 3 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": "2004-05-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-05-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2004 falls on Monday 3 May. Caturdaśī runs from 06:25 on Mon 3 May to 03:41 on Tue 4 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/buddha-purnima",
      "festival": "buddha-purnima",
      "name": "Buddha Pūrṇimā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-05-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29649,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2004-05-04T03:41:10+04:00",
          "utc": "2004-05-03T23:41:10Z",
          "ms": 1083627669950.0184
        },
        "end": {
          "local": "2004-05-05T00:33:27+04:00",
          "utc": "2004-05-04T20:33:27Z",
          "ms": 1083702806612.8502
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-05-04T03:41:10+04:00",
          "utc": "2004-05-03T23:41:10Z",
          "ms": 1083627669950.0184
        },
        "end": {
          "local": "2004-05-05T00:33:27+04:00",
          "utc": "2004-05-04T20:33:27Z",
          "ms": 1083702806612.8502
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-05-04",
          "window": {
            "start": {
              "local": "2004-05-04T11:55:19+04:00",
              "utc": "2004-05-04T07:55:19Z",
              "ms": 1083657319393.8188
            },
            "end": {
              "local": "2004-05-04T12:43:19+04:00",
              "utc": "2004-05-04T08:43:19Z",
              "ms": 1083660199393.8188
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-05-05",
          "window": {
            "start": {
              "local": "2004-05-05T11:55:14+04:00",
              "utc": "2004-05-05T07:55:14Z",
              "ms": 1083743714081.8944
            },
            "end": {
              "local": "2004-05-05T12:43:14+04:00",
              "utc": "2004-05-05T08:43:14Z",
              "ms": 1083746594081.8944
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 03:41 on Tue 4 May to 00:33 on Wed 5 May.",
          "fact": "2004-05-03T23:41:10Z → 2004-05-04T20:33:27Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 4th, 11:55–12:43 on the 5th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 29649 s"
        },
        {
          "step": "ruling",
          "text": "Buddha Pūrṇimā, Abu Dhabi, 2004: Tuesday 4 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "buddha-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-05-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-05-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Buddha Pūrṇimā 2004 falls on Tuesday 4 May. Pūrṇimā runs from 03:41 on Tue 4 May to 00:33 on Wed 5 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/sampat-gauri-vrata",
      "festival": "sampat-gauri-vrata",
      "name": "Sampat Gaurī Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-05-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29649,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2004-05-04T03:41:10+04:00",
          "utc": "2004-05-03T23:41:10Z",
          "ms": 1083627669950.0184
        },
        "end": {
          "local": "2004-05-05T00:33:27+04:00",
          "utc": "2004-05-04T20:33:27Z",
          "ms": 1083702806612.8502
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-05-04T03:41:10+04:00",
          "utc": "2004-05-03T23:41:10Z",
          "ms": 1083627669950.0184
        },
        "end": {
          "local": "2004-05-05T00:33:27+04:00",
          "utc": "2004-05-04T20:33:27Z",
          "ms": 1083702806612.8502
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-05-04",
          "window": {
            "start": {
              "local": "2004-05-04T11:55:19+04:00",
              "utc": "2004-05-04T07:55:19Z",
              "ms": 1083657319393.8188
            },
            "end": {
              "local": "2004-05-04T12:43:19+04:00",
              "utc": "2004-05-04T08:43:19Z",
              "ms": 1083660199393.8188
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-05-05",
          "window": {
            "start": {
              "local": "2004-05-05T11:55:14+04:00",
              "utc": "2004-05-05T07:55:14Z",
              "ms": 1083743714081.8944
            },
            "end": {
              "local": "2004-05-05T12:43:14+04:00",
              "utc": "2004-05-05T08:43:14Z",
              "ms": 1083746594081.8944
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 03:41 on Tue 4 May to 00:33 on Wed 5 May.",
          "fact": "2004-05-03T23:41:10Z → 2004-05-04T20:33:27Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 4th, 11:55–12:43 on the 5th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 29649 s"
        },
        {
          "step": "ruling",
          "text": "Sampat Gaurī Vrata, Abu Dhabi, 2004: Tuesday 4 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": "2004-05-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-05-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Sampat Gaurī Vrata 2004 falls on Tuesday 4 May. Pūrṇimā runs from 03:41 on Tue 4 May to 00:33 on Wed 5 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-05-07",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-05-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28193,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-05-07T14:16:51+04:00",
          "utc": "2004-05-07T10:16:51Z",
          "ms": 1083925010712.7275
        },
        "end": {
          "local": "2004-05-08T11:03:27+04:00",
          "utc": "2004-05-08T07:03:27Z",
          "ms": 1083999806521.3322
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-05-07T14:16:51+04:00",
          "utc": "2004-05-07T10:16:51Z",
          "ms": 1083925010712.7275
        },
        "end": {
          "local": "2004-05-08T11:03:27+04:00",
          "utc": "2004-05-08T07:03:27Z",
          "ms": 1083999806521.3322
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-05-07",
          "window": {
            "start": {
              "local": "2004-05-07T22:06:44+04:00",
              "utc": "2004-05-07T18:06:44Z",
              "ms": 1083953204003.1683
            },
            "end": {
              "local": "2004-05-07T22:06:44+04:00",
              "utc": "2004-05-07T18:06:44Z",
              "ms": 1083953204003.1683
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-05-08",
          "window": {
            "start": {
              "local": "2004-05-08T23:12:12+04:00",
              "utc": "2004-05-08T19:12:12Z",
              "ms": 1084043532139.6501
            },
            "end": {
              "local": "2004-05-08T23:12:12+04:00",
              "utc": "2004-05-08T19:12:12Z",
              "ms": 1084043532139.6501
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 14:17 on Fri 7 May to 11:03 on Sat 8 May.",
          "fact": "2004-05-07T10:16:51Z → 2004-05-08T07:03:27Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:07 on the 7th and 23:12 on the 8th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 7th and is not on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 28193 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2004: Friday 7 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-05-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-05-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2004 falls on Friday 7 May. Caturthī runs from 14:17 on Fri 7 May to 11:03 on Sat 8 May and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-05-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/ekadashi?on=2004-05-14",
      "festival": "ekadashi",
      "name": "Aparā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-05-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12276,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-05-14T01:43:35+04:00",
          "utc": "2004-05-13T21:43:35Z",
          "ms": 1084484614733.133
        },
        "end": {
          "local": "2004-05-15T02:14:37+04:00",
          "utc": "2004-05-14T22:14:37Z",
          "ms": 1084572876590.7256
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-05-14T01:43:35+04:00",
          "utc": "2004-05-13T21:43:35Z",
          "ms": 1084484614733.133
        },
        "end": {
          "local": "2004-05-15T02:14:37+04:00",
          "utc": "2004-05-14T22:14:37Z",
          "ms": 1084572876590.7256
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-05-14",
          "window": {
            "start": {
              "local": "2004-05-14T05:39:42+04:00",
              "utc": "2004-05-14T01:39:42Z",
              "ms": 1084498781880.6644
            },
            "end": {
              "local": "2004-05-14T05:39:42+04:00",
              "utc": "2004-05-14T01:39:42Z",
              "ms": 1084498781880.6644
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-05-15",
          "window": {
            "start": {
              "local": "2004-05-15T05:39:13+04:00",
              "utc": "2004-05-15T01:39:13Z",
              "ms": 1084585152657.5671
            },
            "end": {
              "local": "2004-05-15T05:39:13+04:00",
              "utc": "2004-05-15T01:39:13Z",
              "ms": 1084585152657.5671
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 01:44 on Fri 14 May to 02:15 on Sat 15 May.",
          "fact": "2004-05-13T21:43:35Z → 2004-05-14T22:14:37Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:40 on the 14th and 05:39 on the 15th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 12276 s"
        },
        {
          "step": "ruling",
          "text": "Aparā Ekādaśī, Abu Dhabi, 2004: Friday 14 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": "2004-05-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-05-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Aparā Ekādaśī 2004 falls on Friday 14 May. Ekādaśī runs from 01:44 on Fri 14 May to 02:15 on Sat 15 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-05-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-05-16",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-05-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24813,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-05-16T03:17:27+04:00",
          "utc": "2004-05-15T23:17:27Z",
          "ms": 1084663047420.4402
        },
        "end": {
          "local": "2004-05-17T04:47:50+04:00",
          "utc": "2004-05-17T00:47:50Z",
          "ms": 1084754869863.705
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-05-16T03:17:27+04:00",
          "utc": "2004-05-15T23:17:27Z",
          "ms": 1084663047420.4402
        },
        "end": {
          "local": "2004-05-17T04:47:50+04:00",
          "utc": "2004-05-17T00:47:50Z",
          "ms": 1084754869863.705
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-05-15",
          "window": {
            "start": {
              "local": "2004-05-15T18:58:33+04:00",
              "utc": "2004-05-15T14:58:33Z",
              "ms": 1084633112619.2482
            },
            "end": {
              "local": "2004-05-15T20:23:54+04:00",
              "utc": "2004-05-15T16:23:54Z",
              "ms": 1084638234214.1633
            }
          },
          "covered_min": 0,
          "window_min": 85,
          "qualifies": false
        },
        {
          "local_date": "2004-05-16",
          "window": {
            "start": {
              "local": "2004-05-16T18:59:03+04:00",
              "utc": "2004-05-16T14:59:03Z",
              "ms": 1084719542802.1022
            },
            "end": {
              "local": "2004-05-16T20:24:17+04:00",
              "utc": "2004-05-16T16:24:17Z",
              "ms": 1084724656783.1348
            }
          },
          "covered_min": 85,
          "window_min": 85,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 03:17 on Sun 16 May to 04:48 on Mon 17 May.",
          "fact": "2004-05-15T23:17:27Z → 2004-05-17T00:47:50Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:24 on the 15th, 18:59–20:24 on the 16th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 85 minutes on the 15th and 85 of 85 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 24813 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2004: Sunday 16 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": "2004-05-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-05-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2004 falls on Sunday 16 May. Trayodaśī runs from 03:17 on Sun 16 May to 04:48 on Mon 17 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-05-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/shivaratri?on=2004-05-17",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-05-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14710,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2004-05-17T04:47:50+04:00",
          "utc": "2004-05-17T00:47:50Z",
          "ms": 1084754869863.705
        },
        "end": {
          "local": "2004-05-18T06:40:59+04:00",
          "utc": "2004-05-18T02:40:59Z",
          "ms": 1084848059143.1625
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-05-17T04:47:50+04:00",
          "utc": "2004-05-17T00:47:50Z",
          "ms": 1084754869863.705
        },
        "end": {
          "local": "2004-05-18T06:40:59+04:00",
          "utc": "2004-05-18T02:40:59Z",
          "ms": 1084848059143.1625
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2004-05-16",
          "window": {
            "start": {
              "local": "2004-05-16T23:54:40+04:00",
              "utc": "2004-05-16T19:54:40Z",
              "ms": 1084737280230.9744
            },
            "end": {
              "local": "2004-05-17T00:42:40+04:00",
              "utc": "2004-05-16T20:42:40Z",
              "ms": 1084740160230.9744
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-05-17",
          "window": {
            "start": {
              "local": "2004-05-17T23:54:42+04:00",
              "utc": "2004-05-17T19:54:42Z",
              "ms": 1084823682432.0496
            },
            "end": {
              "local": "2004-05-18T00:42:42+04:00",
              "utc": "2004-05-17T20:42:42Z",
              "ms": 1084826562432.0496
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 04:48 on Mon 17 May to 06:41 on Tue 18 May.",
          "fact": "2004-05-17T00:47:50Z → 2004-05-18T02:40:59Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:55–00:43 on the 16th, 23:55–00:43 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 14710 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2004: Monday 17 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-05-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-05-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2004 falls on Monday 17 May. Caturdaśī runs from 04:48 on Mon 17 May to 06:41 on Tue 18 May and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/shivaratri?on=2004-05-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/rambha-tritiya",
      "festival": "rambha-tritiya",
      "name": "Rambhā Tṛtīyā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-05-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3757,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2004-05-21T13:45:44+04:00",
          "utc": "2004-05-21T09:45:44Z",
          "ms": 1085132744258.7557
        },
        "end": {
          "local": "2004-05-22T16:16:13+04:00",
          "utc": "2004-05-22T12:16:13Z",
          "ms": 1085228173198.6891
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-05-21T13:45:44+04:00",
          "utc": "2004-05-21T09:45:44Z",
          "ms": 1085132744258.7557
        },
        "end": {
          "local": "2004-05-22T16:16:13+04:00",
          "utc": "2004-05-22T12:16:13Z",
          "ms": 1085228173198.6891
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-05-21",
          "window": {
            "start": {
              "local": "2004-05-21T11:55:07+04:00",
              "utc": "2004-05-21T07:55:07Z",
              "ms": 1085126107282.9807
            },
            "end": {
              "local": "2004-05-21T12:43:07+04:00",
              "utc": "2004-05-21T08:43:07Z",
              "ms": 1085128987282.9807
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-05-22",
          "window": {
            "start": {
              "local": "2004-05-22T11:55:12+04:00",
              "utc": "2004-05-22T07:55:12Z",
              "ms": 1085212511598.129
            },
            "end": {
              "local": "2004-05-22T12:43:12+04:00",
              "utc": "2004-05-22T08:43:12Z",
              "ms": 1085215391598.129
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 13:46 on Fri 21 May to 16:16 on Sat 22 May.",
          "fact": "2004-05-21T09:45:44Z → 2004-05-22T12:16:13Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 21st, 11:55–12:43 on the 22nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 3757 s"
        },
        {
          "step": "ruling",
          "text": "Rambhā Tṛtīyā, Abu Dhabi, 2004: Saturday 22 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": "2004-05-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-05-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Rambhā Tṛtīyā 2004 falls on Saturday 22 May. Tṛtīyā runs from 13:46 on Fri 21 May to 16:16 on Sat 22 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-05-23",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-05-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12782,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-05-22T16:16:13+04:00",
          "utc": "2004-05-22T12:16:13Z",
          "ms": 1085228173198.6891
        },
        "end": {
          "local": "2004-05-23T18:39:16+04:00",
          "utc": "2004-05-23T14:39:16Z",
          "ms": 1085323156048.0769
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-05-22T16:16:13+04:00",
          "utc": "2004-05-22T12:16:13Z",
          "ms": 1085228173198.6891
        },
        "end": {
          "local": "2004-05-23T18:39:16+04:00",
          "utc": "2004-05-23T14:39:16Z",
          "ms": 1085323156048.0769
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-05-22",
          "window": {
            "start": {
              "local": "2004-05-22T11:55:12+04:00",
              "utc": "2004-05-22T07:55:12Z",
              "ms": 1085212511598.129
            },
            "end": {
              "local": "2004-05-22T12:43:12+04:00",
              "utc": "2004-05-22T08:43:12Z",
              "ms": 1085215391598.129
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-05-23",
          "window": {
            "start": {
              "local": "2004-05-23T11:55:16+04:00",
              "utc": "2004-05-23T07:55:16Z",
              "ms": 1085298916419.3413
            },
            "end": {
              "local": "2004-05-23T12:43:16+04:00",
              "utc": "2004-05-23T08:43:16Z",
              "ms": 1085301796419.3413
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 16:16 on Sat 22 May to 18:39 on Sun 23 May.",
          "fact": "2004-05-22T12:16:13Z → 2004-05-23T14:39:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 22nd, 11:55–12:43 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 12782 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2004: Sunday 23 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": "2004-05-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-05-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2004 falls on Sunday 23 May. Caturthī runs from 16:16 on Sat 22 May to 18:39 on Sun 23 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-05-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/aranya-gauri-vrata",
      "festival": "aranya-gauri-vrata",
      "name": "Araṇya Gaurī Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-05-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28979,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2004-05-24T20:46:20+04:00",
          "utc": "2004-05-24T16:46:20Z",
          "ms": 1085417180411.4386
        },
        "end": {
          "local": "2004-05-25T22:28:31+04:00",
          "utc": "2004-05-25T18:28:31Z",
          "ms": 1085509710583.4672
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-05-24T20:46:20+04:00",
          "utc": "2004-05-24T16:46:20Z",
          "ms": 1085417180411.4386
        },
        "end": {
          "local": "2004-05-25T22:28:31+04:00",
          "utc": "2004-05-25T18:28:31Z",
          "ms": 1085509710583.4672
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-05-24",
          "window": {
            "start": {
              "local": "2004-05-24T11:55:22+04:00",
              "utc": "2004-05-24T07:55:22Z",
              "ms": 1085385321734.1919
            },
            "end": {
              "local": "2004-05-24T12:43:22+04:00",
              "utc": "2004-05-24T08:43:22Z",
              "ms": 1085388201734.1919
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-05-25",
          "window": {
            "start": {
              "local": "2004-05-25T11:55:28+04:00",
              "utc": "2004-05-25T07:55:28Z",
              "ms": 1085471727529.8049
            },
            "end": {
              "local": "2004-05-25T12:43:28+04:00",
              "utc": "2004-05-25T08:43:28Z",
              "ms": 1085474607529.8049
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 20:46 on Mon 24 May to 22:29 on Tue 25 May.",
          "fact": "2004-05-24T16:46:20Z → 2004-05-25T18:28:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 24th, 11:55–12:43 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 28979 s"
        },
        {
          "step": "ruling",
          "text": "Araṇya Gaurī Vrata, Abu Dhabi, 2004: Tuesday 25 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": "2004-05-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-05-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Araṇya Gaurī Vrata 2004 falls on Tuesday 25 May. Ṣaṣṭhī runs from 20:46 on Mon 24 May to 22:29 on Tue 25 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/skanda-shashthi-jyaishtha",
      "festival": "skanda-shashthi-jyaishtha",
      "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-05-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28979,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2004-05-24T20:46:20+04:00",
          "utc": "2004-05-24T16:46:20Z",
          "ms": 1085417180411.4386
        },
        "end": {
          "local": "2004-05-25T22:28:31+04:00",
          "utc": "2004-05-25T18:28:31Z",
          "ms": 1085509710583.4672
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-05-24T20:46:20+04:00",
          "utc": "2004-05-24T16:46:20Z",
          "ms": 1085417180411.4386
        },
        "end": {
          "local": "2004-05-25T22:28:31+04:00",
          "utc": "2004-05-25T18:28:31Z",
          "ms": 1085509710583.4672
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-05-24",
          "window": {
            "start": {
              "local": "2004-05-24T11:55:22+04:00",
              "utc": "2004-05-24T07:55:22Z",
              "ms": 1085385321734.1919
            },
            "end": {
              "local": "2004-05-24T12:43:22+04:00",
              "utc": "2004-05-24T08:43:22Z",
              "ms": 1085388201734.1919
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-05-25",
          "window": {
            "start": {
              "local": "2004-05-25T11:55:28+04:00",
              "utc": "2004-05-25T07:55:28Z",
              "ms": 1085471727529.8049
            },
            "end": {
              "local": "2004-05-25T12:43:28+04:00",
              "utc": "2004-05-25T08:43:28Z",
              "ms": 1085474607529.8049
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 20:46 on Mon 24 May to 22:29 on Tue 25 May.",
          "fact": "2004-05-24T16:46:20Z → 2004-05-25T18:28:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 24th, 11:55–12:43 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 28979 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Abu Dhabi, 2004: Tuesday 25 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": "2004-05-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-05-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2004 falls on Tuesday 25 May. Ṣaṣṭhī runs from 20:46 on Mon 24 May to 22:29 on Tue 25 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ekadashi?on=2004-05-30",
      "festival": "ekadashi",
      "name": "Nirjalā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-05-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24405,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-05-29T22:47:30+04:00",
          "utc": "2004-05-29T18:47:30Z",
          "ms": 1085856450138.8689
        },
        "end": {
          "local": "2004-05-30T21:00:25+04:00",
          "utc": "2004-05-30T17:00:25Z",
          "ms": 1085936425301.4324
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-05-29T22:47:30+04:00",
          "utc": "2004-05-29T18:47:30Z",
          "ms": 1085856450138.8689
        },
        "end": {
          "local": "2004-05-30T21:00:25+04:00",
          "utc": "2004-05-30T17:00:25Z",
          "ms": 1085936425301.4324
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-05-30",
          "window": {
            "start": {
              "local": "2004-05-30T05:34:15+04:00",
              "utc": "2004-05-30T01:34:15Z",
              "ms": 1085880854987.9526
            },
            "end": {
              "local": "2004-05-30T05:34:15+04:00",
              "utc": "2004-05-30T01:34:15Z",
              "ms": 1085880854987.9526
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-05-31",
          "window": {
            "start": {
              "local": "2004-05-31T05:34:05+04:00",
              "utc": "2004-05-31T01:34:05Z",
              "ms": 1085967244640.7843
            },
            "end": {
              "local": "2004-05-31T05:34:05+04:00",
              "utc": "2004-05-31T01:34:05Z",
              "ms": 1085967244640.7843
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 22:48 on Sat 29 May to 21:00 on Sun 30 May.",
          "fact": "2004-05-29T18:47:30Z → 2004-05-30T17:00:25Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:34 on the 30th and 05:34 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 24405 s"
        },
        {
          "step": "ruling",
          "text": "Nirjalā Ekādaśī, Abu Dhabi, 2004: Sunday 30 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": "2004-05-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-05-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Nirjalā Ekādaśī 2004 falls on Sunday 30 May. Ekādaśī runs from 22:48 on Sat 29 May to 21:00 on Sun 30 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-05-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/shri-rama-dvadashi",
      "festival": "shri-rama-dvadashi",
      "name": "Śrī Rāma Dvādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-05-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20918,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2004-05-30T21:00:25+04:00",
          "utc": "2004-05-30T17:00:25Z",
          "ms": 1085936425301.4324
        },
        "end": {
          "local": "2004-05-31T18:32:50+04:00",
          "utc": "2004-05-31T14:32:50Z",
          "ms": 1086013969923.5846
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-05-30T21:00:25+04:00",
          "utc": "2004-05-30T17:00:25Z",
          "ms": 1085936425301.4324
        },
        "end": {
          "local": "2004-05-31T18:32:50+04:00",
          "utc": "2004-05-31T14:32:50Z",
          "ms": 1086013969923.5846
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-05-30",
          "window": {
            "start": {
              "local": "2004-05-30T11:56:03+04:00",
              "utc": "2004-05-30T07:56:03Z",
              "ms": 1085903763249.5901
            },
            "end": {
              "local": "2004-05-30T12:44:03+04:00",
              "utc": "2004-05-30T08:44:03Z",
              "ms": 1085906643249.5901
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-05-31",
          "window": {
            "start": {
              "local": "2004-05-31T11:56:12+04:00",
              "utc": "2004-05-31T07:56:12Z",
              "ms": 1085990171647.8733
            },
            "end": {
              "local": "2004-05-31T12:44:12+04:00",
              "utc": "2004-05-31T08:44:12Z",
              "ms": 1085993051647.8733
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 21:00 on Sun 30 May to 18:33 on Mon 31 May.",
          "fact": "2004-05-30T17:00:25Z → 2004-05-31T14:32:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 30th, 11:56–12:44 on the 31st.",
          "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 30th and 48 of 48 on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 20918 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Rāma Dvādaśī, Abu Dhabi, 2004: Monday 31 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shri-rama-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-05-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-05-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śrī Rāma Dvādaśī 2004 falls on Monday 31 May. Dvādaśī runs from 21:00 on Sun 30 May to 18:33 on Mon 31 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-05-31",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-05-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2009,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-05-31T18:32:50+04:00",
          "utc": "2004-05-31T14:32:50Z",
          "ms": 1086013969923.5846
        },
        "end": {
          "local": "2004-06-01T15:31:12+04:00",
          "utc": "2004-06-01T11:31:12Z",
          "ms": 1086089472053.1819
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-05-31T18:32:50+04:00",
          "utc": "2004-05-31T14:32:50Z",
          "ms": 1086013969923.5846
        },
        "end": {
          "local": "2004-06-01T15:31:12+04:00",
          "utc": "2004-06-01T11:31:12Z",
          "ms": 1086089472053.1819
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-05-31",
          "window": {
            "start": {
              "local": "2004-05-31T19:06:19+04:00",
              "utc": "2004-05-31T15:06:19Z",
              "ms": 1086015978654.9624
            },
            "end": {
              "local": "2004-05-31T20:30:00+04:00",
              "utc": "2004-05-31T16:30:00Z",
              "ms": 1086020999565.0574
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        },
        {
          "local_date": "2004-06-01",
          "window": {
            "start": {
              "local": "2004-06-01T19:06:45+04:00",
              "utc": "2004-06-01T15:06:45Z",
              "ms": 1086102405387.5382
            },
            "end": {
              "local": "2004-06-01T20:30:22+04:00",
              "utc": "2004-06-01T16:30:22Z",
              "ms": 1086107421669.9282
            }
          },
          "covered_min": 0,
          "window_min": 84,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 18:33 on Mon 31 May to 15:31 on Tue 1 Jun.",
          "fact": "2004-05-31T14:32:50Z → 2004-06-01T11:31:12Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:06–20:30 on the 31st, 19:07–20:30 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 84 of 84 minutes on the 31st and 0 of 84 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 2009 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2004: Monday 31 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": "2004-05-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-05-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2004 falls on Monday 31 May. Trayodaśī runs from 18:33 on Mon 31 May to 15:31 on Tue 1 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-05-31",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/vata-savitri-vrata",
      "festival": "vata-savitri-vrata",
      "name": "Vaṭa Sāvitrī Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-06-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25411,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2004-06-02T12:03:41+04:00",
          "utc": "2004-06-02T08:03:41Z",
          "ms": 1086163420637.6702
        },
        "end": {
          "local": "2004-06-03T08:19:35+04:00",
          "utc": "2004-06-03T04:19:35Z",
          "ms": 1086236374611.9591
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-06-02T12:03:41+04:00",
          "utc": "2004-06-02T08:03:41Z",
          "ms": 1086163420637.6702
        },
        "end": {
          "local": "2004-06-03T08:19:35+04:00",
          "utc": "2004-06-03T04:19:35Z",
          "ms": 1086236374611.9591
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-06-02",
          "window": {
            "start": {
              "local": "2004-06-02T19:07:12+04:00",
              "utc": "2004-06-02T15:07:12Z",
              "ms": 1086188831686.744
            },
            "end": {
              "local": "2004-06-02T20:30:44+04:00",
              "utc": "2004-06-02T16:30:44Z",
              "ms": 1086193843557.03
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        },
        {
          "local_date": "2004-06-03",
          "window": {
            "start": {
              "local": "2004-06-03T19:07:38+04:00",
              "utc": "2004-06-03T15:07:38Z",
              "ms": 1086275257530.9303
            },
            "end": {
              "local": "2004-06-03T20:31:05+04:00",
              "utc": "2004-06-03T16:31:05Z",
              "ms": 1086280265207.3093
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 12:04 on Wed 2 Jun to 08:20 on Thu 3 Jun.",
          "fact": "2004-06-02T08:03:41Z → 2004-06-03T04:19:35Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:07–20:31 on the 2nd, 19:08–20:31 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 84 of 84 minutes on the 2nd and 0 of 83 on the 3rd.",
          "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 25411 s"
        },
        {
          "step": "ruling",
          "text": "Vaṭa Sāvitrī Vrata, Abu Dhabi, 2004: Wednesday 2 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": "2004-06-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-06-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vaṭa Sāvitrī Vrata 2004 falls on Wednesday 2 June. Pūrṇimā runs from 12:04 on Wed 2 Jun to 08:20 on Thu 3 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-06-05",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-06-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2867,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-06-05T21:09:31+04:00",
          "utc": "2004-06-05T17:09:31Z",
          "ms": 1086455371389.6495
        },
        "end": {
          "local": "2004-06-06T18:00:58+04:00",
          "utc": "2004-06-06T14:00:58Z",
          "ms": 1086530457549.5923
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-06-05T21:09:31+04:00",
          "utc": "2004-06-05T17:09:31Z",
          "ms": 1086455371389.6495
        },
        "end": {
          "local": "2004-06-06T18:00:58+04:00",
          "utc": "2004-06-06T14:00:58Z",
          "ms": 1086530457549.5923
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-06-05",
          "window": {
            "start": {
              "local": "2004-06-05T21:57:19+04:00",
              "utc": "2004-06-05T17:57:19Z",
              "ms": 1086458238570.9451
            },
            "end": {
              "local": "2004-06-05T21:57:19+04:00",
              "utc": "2004-06-05T17:57:19Z",
              "ms": 1086458238570.9451
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-06-06",
          "window": {
            "start": {
              "local": "2004-06-06T22:52:09+04:00",
              "utc": "2004-06-06T18:52:09Z",
              "ms": 1086547928735.6227
            },
            "end": {
              "local": "2004-06-06T22:52:09+04:00",
              "utc": "2004-06-06T18:52:09Z",
              "ms": 1086547928735.6227
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 21:10 on Sat 5 Jun to 18:01 on Sun 6 Jun.",
          "fact": "2004-06-05T17:09:31Z → 2004-06-06T14:00:58Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:57 on the 5th and 22:52 on the 6th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 5th and is not on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2867 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2004: Saturday 5 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": "2004-06-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-06-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2004 falls on Saturday 5 June. Caturthī runs from 21:10 on Sat 5 Jun to 18:01 on Sun 6 Jun and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-06-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/ekadashi?on=2004-06-13",
      "festival": "ekadashi",
      "name": "Yoginī Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-06-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28222,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-06-12T13:23:55+04:00",
          "utc": "2004-06-12T09:23:55Z",
          "ms": 1087032234540.4553
        },
        "end": {
          "local": "2004-06-13T15:02:21+04:00",
          "utc": "2004-06-13T11:02:21Z",
          "ms": 1087124540950.391
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-06-12T13:23:55+04:00",
          "utc": "2004-06-12T09:23:55Z",
          "ms": 1087032234540.4553
        },
        "end": {
          "local": "2004-06-13T15:02:21+04:00",
          "utc": "2004-06-13T11:02:21Z",
          "ms": 1087124540950.391
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-06-12",
          "window": {
            "start": {
              "local": "2004-06-12T05:33:32+04:00",
              "utc": "2004-06-12T01:33:32Z",
              "ms": 1087004012132.886
            },
            "end": {
              "local": "2004-06-12T05:33:32+04:00",
              "utc": "2004-06-12T01:33:32Z",
              "ms": 1087004012132.886
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-06-13",
          "window": {
            "start": {
              "local": "2004-06-13T05:33:37+04:00",
              "utc": "2004-06-13T01:33:37Z",
              "ms": 1087090416847.1283
            },
            "end": {
              "local": "2004-06-13T05:33:37+04:00",
              "utc": "2004-06-13T01:33:37Z",
              "ms": 1087090416847.1283
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 13:24 on Sat 12 Jun to 15:02 on Sun 13 Jun.",
          "fact": "2004-06-12T09:23:55Z → 2004-06-13T11:02:21Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:34 on the 12th and 05:34 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 28222 s"
        },
        {
          "step": "ruling",
          "text": "Yoginī Ekādaśī, Abu Dhabi, 2004: Sunday 13 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": "2004-06-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-06-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Yoginī Ekādaśī 2004 falls on Sunday 13 June. Ekādaśī runs from 13:24 on Sat 12 Jun to 15:02 on Sun 13 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-06-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-06-14",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-06-14",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 898,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-06-14T17:06:21+04:00",
          "utc": "2004-06-14T13:06:21Z",
          "ms": 1087218381227.603
        },
        "end": {
          "local": "2004-06-15T19:27:01+04:00",
          "utc": "2004-06-15T15:27:01Z",
          "ms": 1087313221061.7688
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-06-14T17:06:21+04:00",
          "utc": "2004-06-14T13:06:21Z",
          "ms": 1087218381227.603
        },
        "end": {
          "local": "2004-06-15T19:27:01+04:00",
          "utc": "2004-06-15T15:27:01Z",
          "ms": 1087313221061.7688
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-06-14",
          "window": {
            "start": {
              "local": "2004-06-14T19:11:45+04:00",
              "utc": "2004-06-14T15:11:45Z",
              "ms": 1087225904695.4539
            },
            "end": {
              "local": "2004-06-14T20:34:41+04:00",
              "utc": "2004-06-14T16:34:41Z",
              "ms": 1087230881334.5391
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        },
        {
          "local_date": "2004-06-15",
          "window": {
            "start": {
              "local": "2004-06-15T19:12:03+04:00",
              "utc": "2004-06-15T15:12:03Z",
              "ms": 1087312323057.776
            },
            "end": {
              "local": "2004-06-15T20:34:58+04:00",
              "utc": "2004-06-15T16:34:58Z",
              "ms": 1087317298299.9177
            }
          },
          "covered_min": 15,
          "window_min": 83,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 17:06 on Mon 14 Jun to 19:27 on Tue 15 Jun.",
          "fact": "2004-06-14T13:06:21Z → 2004-06-15T15:27:01Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:12–20:35 on the 14th, 19:12–20:35 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 83 of 83 minutes on the 14th and 15 of 83 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 898 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2004: Monday 14 June.",
          "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": "2004-06-14",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-06-14",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2004 falls on Monday 14 June. Trayodaśī runs from 17:06 on Mon 14 Jun to 19:27 on Tue 15 Jun and covers all of pradoṣa that evening. It also reaches the next evening for 15 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/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-06-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/shivaratri?on=2004-06-15",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-06-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7384,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2004-06-15T19:27:01+04:00",
          "utc": "2004-06-15T15:27:01Z",
          "ms": 1087313221061.7688
        },
        "end": {
          "local": "2004-06-16T21:56:09+04:00",
          "utc": "2004-06-16T17:56:09Z",
          "ms": 1087408569177.1553
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-06-15T19:27:01+04:00",
          "utc": "2004-06-15T15:27:01Z",
          "ms": 1087313221061.7688
        },
        "end": {
          "local": "2004-06-16T21:56:09+04:00",
          "utc": "2004-06-16T17:56:09Z",
          "ms": 1087408569177.1553
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2004-06-15",
          "window": {
            "start": {
              "local": "2004-06-15T23:59:00+04:00",
              "utc": "2004-06-15T19:59:00Z",
              "ms": 1087329540215.8076
            },
            "end": {
              "local": "2004-06-16T00:47:00+04:00",
              "utc": "2004-06-15T20:47:00Z",
              "ms": 1087332420215.8076
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-06-16",
          "window": {
            "start": {
              "local": "2004-06-16T23:59:13+04:00",
              "utc": "2004-06-16T19:59:13Z",
              "ms": 1087415953438.7156
            },
            "end": {
              "local": "2004-06-17T00:47:13+04:00",
              "utc": "2004-06-16T20:47:13Z",
              "ms": 1087418833438.7156
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 19:27 on Tue 15 Jun to 21:56 on Wed 16 Jun.",
          "fact": "2004-06-15T15:27:01Z → 2004-06-16T17:56:09Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:59–00:47 on the 15th, 23:59–00:47 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 7384 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2004: Tuesday 15 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-06-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-06-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2004 falls on Tuesday 15 June. Caturdaśī runs from 19:27 on Tue 15 Jun to 21:56 on Wed 16 Jun and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/shivaratri?on=2004-06-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/rathayatra",
      "festival": "rathayatra",
      "name": "Rathayātrā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-06-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24590,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2004-06-19T02:53:08+04:00",
          "utc": "2004-06-18T22:53:08Z",
          "ms": 1087599188278.6367
        },
        "end": {
          "local": "2004-06-20T05:10:11+04:00",
          "utc": "2004-06-20T01:10:11Z",
          "ms": 1087693810734.0426
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-06-19T02:53:08+04:00",
          "utc": "2004-06-18T22:53:08Z",
          "ms": 1087599188278.6367
        },
        "end": {
          "local": "2004-06-20T05:10:11+04:00",
          "utc": "2004-06-20T01:10:11Z",
          "ms": 1087693810734.0426
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-06-19",
          "window": {
            "start": {
              "local": "2004-06-19T11:59:48+04:00",
              "utc": "2004-06-19T07:59:48Z",
              "ms": 1087631987536.0377
            },
            "end": {
              "local": "2004-06-19T12:47:48+04:00",
              "utc": "2004-06-19T08:47:48Z",
              "ms": 1087634867536.0377
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-06-20",
          "window": {
            "start": {
              "local": "2004-06-20T12:00:00+04:00",
              "utc": "2004-06-20T08:00:00Z",
              "ms": 1087718400426.9298
            },
            "end": {
              "local": "2004-06-20T12:48:00+04:00",
              "utc": "2004-06-20T08:48:00Z",
              "ms": 1087721280426.9298
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 02:53 on Sat 19 Jun to 05:10 on Sun 20 Jun.",
          "fact": "2004-06-18T22:53:08Z → 2004-06-20T01:10:11Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 19th, 12:00–12:48 on the 20th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.",
          "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 24590 s"
        },
        {
          "step": "ruling",
          "text": "Rathayātrā, Abu Dhabi, 2004: Saturday 19 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rathayatra",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')"
          }
        ],
        "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.",
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-06-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-06-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Rathayātrā 2004 falls on Saturday 19 June. Dvitīyā runs from 02:53 on Sat 19 Jun to 05:10 on Sun 20 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-06-21",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-06-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11022,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-06-21T07:13:05+04:00",
          "utc": "2004-06-21T03:13:05Z",
          "ms": 1087787584802.9404
        },
        "end": {
          "local": "2004-06-22T08:56:44+04:00",
          "utc": "2004-06-22T04:56:44Z",
          "ms": 1087880204088.0494
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-06-21T07:13:05+04:00",
          "utc": "2004-06-21T03:13:05Z",
          "ms": 1087787584802.9404
        },
        "end": {
          "local": "2004-06-22T08:56:44+04:00",
          "utc": "2004-06-22T04:56:44Z",
          "ms": 1087880204088.0494
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-06-21",
          "window": {
            "start": {
              "local": "2004-06-21T12:00:13+04:00",
              "utc": "2004-06-21T08:00:13Z",
              "ms": 1087804813293.7202
            },
            "end": {
              "local": "2004-06-21T12:48:13+04:00",
              "utc": "2004-06-21T08:48:13Z",
              "ms": 1087807693293.7202
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-06-22",
          "window": {
            "start": {
              "local": "2004-06-22T12:00:26+04:00",
              "utc": "2004-06-22T08:00:26Z",
              "ms": 1087891226109.5598
            },
            "end": {
              "local": "2004-06-22T12:48:26+04:00",
              "utc": "2004-06-22T08:48:26Z",
              "ms": 1087894106109.5598
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 07:13 on Mon 21 Jun to 08:57 on Tue 22 Jun.",
          "fact": "2004-06-21T03:13:05Z → 2004-06-22T04:56:44Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 21st, 12:00–12:48 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 11022 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2004: Monday 21 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": "2004-06-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-06-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2004 falls on Monday 21 June. Caturthī runs from 07:13 on Mon 21 Jun to 08:57 on Tue 22 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-06-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/skanda-panchami",
      "festival": "skanda-panchami",
      "name": "Skanda Pañcamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-06-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6303,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2004-06-22T08:56:44+04:00",
          "utc": "2004-06-22T04:56:44Z",
          "ms": 1087880204088.0494
        },
        "end": {
          "local": "2004-06-23T10:15:36+04:00",
          "utc": "2004-06-23T06:15:36Z",
          "ms": 1087971336087.1124
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-06-22T08:56:44+04:00",
          "utc": "2004-06-22T04:56:44Z",
          "ms": 1087880204088.0494
        },
        "end": {
          "local": "2004-06-23T10:15:36+04:00",
          "utc": "2004-06-23T06:15:36Z",
          "ms": 1087971336087.1124
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-06-22",
          "window": {
            "start": {
              "local": "2004-06-22T12:00:26+04:00",
              "utc": "2004-06-22T08:00:26Z",
              "ms": 1087891226109.5598
            },
            "end": {
              "local": "2004-06-22T12:48:26+04:00",
              "utc": "2004-06-22T08:48:26Z",
              "ms": 1087894106109.5598
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-06-23",
          "window": {
            "start": {
              "local": "2004-06-23T12:00:39+04:00",
              "utc": "2004-06-23T08:00:39Z",
              "ms": 1087977638847.9796
            },
            "end": {
              "local": "2004-06-23T12:48:39+04:00",
              "utc": "2004-06-23T08:48:39Z",
              "ms": 1087980518847.9796
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 08:57 on Tue 22 Jun to 10:16 on Wed 23 Jun.",
          "fact": "2004-06-22T04:56:44Z → 2004-06-23T06:15:36Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 22nd, 12:01–12:49 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 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 6303 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Pañcamī, Abu Dhabi, 2004: Tuesday 22 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": "2004-06-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-06-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Skanda Pañcamī 2004 falls on Tuesday 22 June. Pañcamī runs from 08:57 on Tue 22 Jun to 10:16 on Wed 23 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/vivasvat-saptami",
      "festival": "vivasvat-saptami",
      "name": "Vivasvat Saptamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-06-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2675,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2004-06-24T11:03:57+04:00",
          "utc": "2004-06-24T07:03:57Z",
          "ms": 1088060637024.0225
        },
        "end": {
          "local": "2004-06-25T11:16:29+04:00",
          "utc": "2004-06-25T07:16:29Z",
          "ms": 1088147788614.6029
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-06-24T11:03:57+04:00",
          "utc": "2004-06-24T07:03:57Z",
          "ms": 1088060637024.0225
        },
        "end": {
          "local": "2004-06-25T11:16:29+04:00",
          "utc": "2004-06-25T07:16:29Z",
          "ms": 1088147788614.6029
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-06-24",
          "window": {
            "start": {
              "local": "2004-06-24T12:00:51+04:00",
              "utc": "2004-06-24T08:00:51Z",
              "ms": 1088064051483.0425
            },
            "end": {
              "local": "2004-06-24T12:48:51+04:00",
              "utc": "2004-06-24T08:48:51Z",
              "ms": 1088066931483.0425
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-06-25",
          "window": {
            "start": {
              "local": "2004-06-25T12:01:04+04:00",
              "utc": "2004-06-25T08:01:04Z",
              "ms": 1088150463989.5085
            },
            "end": {
              "local": "2004-06-25T12:49:04+04:00",
              "utc": "2004-06-25T08:49:04Z",
              "ms": 1088153343989.5085
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 11:04 on Thu 24 Jun to 11:16 on Fri 25 Jun.",
          "fact": "2004-06-24T07:03:57Z → 2004-06-25T07:16:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 24th, 12:01–12:49 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 48 of 48 minutes on the 24th and 0 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 2675 s"
        },
        {
          "step": "ruling",
          "text": "Vivasvat Saptamī, Abu Dhabi, 2004: Thursday 24 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": "2004-06-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-06-24",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Vivasvat Saptamī 2004 falls on Thursday 24 June. Saptamī runs from 11:04 on Thu 24 Jun to 11:16 on Fri 25 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ekadashi?on=2004-06-28",
      "festival": "ekadashi",
      "name": "Hariśayanī Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-06-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1082,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-06-28T07:48:43+04:00",
          "utc": "2004-06-28T03:48:43Z",
          "ms": 1088394522619.4586
        },
        "end": {
          "local": "2004-06-29T05:19:01+04:00",
          "utc": "2004-06-29T01:19:01Z",
          "ms": 1088471940631.5636
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-06-28T07:48:43+04:00",
          "utc": "2004-06-28T03:48:43Z",
          "ms": 1088394522619.4586
        },
        "end": {
          "local": "2004-06-29T05:19:01+04:00",
          "utc": "2004-06-29T01:19:01Z",
          "ms": 1088471940631.5636
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-06-28",
          "window": {
            "start": {
              "local": "2004-06-28T05:36:44+04:00",
              "utc": "2004-06-28T01:36:44Z",
              "ms": 1088386603612.591
            },
            "end": {
              "local": "2004-06-28T05:36:44+04:00",
              "utc": "2004-06-28T01:36:44Z",
              "ms": 1088386603612.591
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-06-29",
          "window": {
            "start": {
              "local": "2004-06-29T05:37:03+04:00",
              "utc": "2004-06-29T01:37:03Z",
              "ms": 1088473022614.8975
            },
            "end": {
              "local": "2004-06-29T05:37:03+04:00",
              "utc": "2004-06-29T01:37:03Z",
              "ms": 1088473022614.8975
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 07:49 on Mon 28 Jun to 05:19 on Tue 29 Jun.",
          "fact": "2004-06-28T03:48:43Z → 2004-06-29T01:19:01Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:37 on the 28th and 05:37 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 not on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Neither sunrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: paraviddha → tithi-day · margin 1082 s"
        },
        {
          "step": "ruling",
          "text": "Hariśayanī Ekādaśī, Abu Dhabi, 2004: Monday 28 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": "2004-06-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-06-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Hariśayanī Ekādaśī 2004 falls on Monday 28 June. Ekādaśī runs from 07:49 on Mon 28 Jun to 05:19 on Tue 29 Jun, and is current at sunrise on neither day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-06-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-06-30",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-06-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7759,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-06-30T02:16:01+04:00",
          "utc": "2004-06-29T22:16:01Z",
          "ms": 1088547360581.2997
        },
        "end": {
          "local": "2004-06-30T22:47:08+04:00",
          "utc": "2004-06-30T18:47:08Z",
          "ms": 1088621227974.4841
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-06-30T02:16:01+04:00",
          "utc": "2004-06-29T22:16:01Z",
          "ms": 1088547360581.2997
        },
        "end": {
          "local": "2004-06-30T22:47:08+04:00",
          "utc": "2004-06-30T18:47:08Z",
          "ms": 1088621227974.4841
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-06-29",
          "window": {
            "start": {
              "local": "2004-06-29T19:14:42+04:00",
              "utc": "2004-06-29T15:14:42Z",
              "ms": 1088522081906.2434
            },
            "end": {
              "local": "2004-06-29T20:37:43+04:00",
              "utc": "2004-06-29T16:37:43Z",
              "ms": 1088527063289.8574
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        },
        {
          "local_date": "2004-06-30",
          "window": {
            "start": {
              "local": "2004-06-30T19:14:45+04:00",
              "utc": "2004-06-30T15:14:45Z",
              "ms": 1088608485285.0483
            },
            "end": {
              "local": "2004-06-30T20:37:49+04:00",
              "utc": "2004-06-30T16:37:49Z",
              "ms": 1088613468926.0917
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 02:16 on Wed 30 Jun to 22:47 on Wed 30 Jun.",
          "fact": "2004-06-29T22:16:01Z → 2004-06-30T18:47:08Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:15–20:38 on the 29th, 19:15–20:38 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 83 minutes on the 29th and 83 of 83 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 7759 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2004: Wednesday 30 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": "2004-06-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-06-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2004 falls on Wednesday 30 June. Trayodaśī runs from 02:16 on Wed 30 Jun to 22:47 on Wed 30 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-06-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/kokila-vrata",
      "festival": "kokila-vrata",
      "name": "Kokilā Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-07-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 804,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2004-07-01T19:01:23+04:00",
          "utc": "2004-07-01T15:01:23Z",
          "ms": 1088694083362.1036
        },
        "end": {
          "local": "2004-07-02T15:08:55+04:00",
          "utc": "2004-07-02T11:08:55Z",
          "ms": 1088766534639.6721
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-07-01T19:01:23+04:00",
          "utc": "2004-07-01T15:01:23Z",
          "ms": 1088694083362.1036
        },
        "end": {
          "local": "2004-07-02T15:08:55+04:00",
          "utc": "2004-07-02T11:08:55Z",
          "ms": 1088766534639.6721
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2004-07-01",
          "window": {
            "start": {
              "local": "2004-07-01T16:31:23+04:00",
              "utc": "2004-07-01T12:31:23Z",
              "ms": 1088685082529.1328
            },
            "end": {
              "local": "2004-07-01T19:14:48+04:00",
              "utc": "2004-07-01T15:14:48Z",
              "ms": 1088694887513.1976
            }
          },
          "covered_min": 13,
          "window_min": 163,
          "qualifies": true
        },
        {
          "local_date": "2004-07-02",
          "window": {
            "start": {
              "local": "2004-07-02T16:31:28+04:00",
              "utc": "2004-07-02T12:31:28Z",
              "ms": 1088771487569.8171
            },
            "end": {
              "local": "2004-07-02T19:14:49+04:00",
              "utc": "2004-07-02T15:14:49Z",
              "ms": 1088781288582.5195
            }
          },
          "covered_min": 0,
          "window_min": 163,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:01 on Thu 1 Jul to 15:09 on Fri 2 Jul.",
          "fact": "2004-07-01T15:01:23Z → 2004-07-02T11:08:55Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:31–19:15 on the 1st, 16:31–19:15 on the 2nd.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 13 of 163 minutes on the 1st and 0 of 163 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one late afternoon qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 804 s"
        },
        {
          "step": "ruling",
          "text": "Kokilā Vrata, Abu Dhabi, 2004: Thursday 1 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kokila-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)."
          }
        ],
        "kaala": "sayahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-07-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-07-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kokilā Vrata 2004 falls on Thursday 1 July. Pūrṇimā runs from 19:01 on Thu 1 Jul to 15:09 on Fri 2 Jul and covers 13 of 163 minutes of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/shiva-shayanotsava",
      "festival": "shiva-shayanotsava",
      "name": "Śiva Śayanotsava",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-07-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 804,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2004-07-01T19:01:23+04:00",
          "utc": "2004-07-01T15:01:23Z",
          "ms": 1088694083362.1036
        },
        "end": {
          "local": "2004-07-02T15:08:55+04:00",
          "utc": "2004-07-02T11:08:55Z",
          "ms": 1088766534639.6721
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-07-01T19:01:23+04:00",
          "utc": "2004-07-01T15:01:23Z",
          "ms": 1088694083362.1036
        },
        "end": {
          "local": "2004-07-02T15:08:55+04:00",
          "utc": "2004-07-02T11:08:55Z",
          "ms": 1088766534639.6721
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-07-01",
          "window": {
            "start": {
              "local": "2004-07-01T19:14:48+04:00",
              "utc": "2004-07-01T15:14:48Z",
              "ms": 1088694887513.1976
            },
            "end": {
              "local": "2004-07-01T20:37:54+04:00",
              "utc": "2004-07-01T16:37:54Z",
              "ms": 1088699873647.3057
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        },
        {
          "local_date": "2004-07-02",
          "window": {
            "start": {
              "local": "2004-07-02T19:14:49+04:00",
              "utc": "2004-07-02T15:14:49Z",
              "ms": 1088781288582.5195
            },
            "end": {
              "local": "2004-07-02T20:37:57+04:00",
              "utc": "2004-07-02T16:37:57Z",
              "ms": 1088786277443.3705
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:01 on Thu 1 Jul to 15:09 on Fri 2 Jul.",
          "fact": "2004-07-01T15:01:23Z → 2004-07-02T11:08:55Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:15–20:38 on the 1st, 19:15–20:38 on the 2nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 83 of 83 minutes on the 1st and 0 of 83 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 804 s"
        },
        {
          "step": "ruling",
          "text": "Śiva Śayanotsava, Abu Dhabi, 2004: Thursday 1 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shiva-shayanotsava",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-07-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-07-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śiva Śayanotsava 2004 falls on Thursday 1 July. Pūrṇimā runs from 19:01 on Thu 1 Jul to 15:09 on Fri 2 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/vyasa-puja",
      "festival": "vyasa-puja",
      "name": "Vyāsa Pūjā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-07-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24450,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2004-07-01T19:01:23+04:00",
          "utc": "2004-07-01T15:01:23Z",
          "ms": 1088694083362.1036
        },
        "end": {
          "local": "2004-07-02T15:08:55+04:00",
          "utc": "2004-07-02T11:08:55Z",
          "ms": 1088766534639.6721
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-07-01T19:01:23+04:00",
          "utc": "2004-07-01T15:01:23Z",
          "ms": 1088694083362.1036
        },
        "end": {
          "local": "2004-07-02T15:08:55+04:00",
          "utc": "2004-07-02T11:08:55Z",
          "ms": 1088766534639.6721
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2004-07-01",
          "window": {
            "start": {
              "local": "2004-07-01T05:37:43+04:00",
              "utc": "2004-07-01T01:37:43Z",
              "ms": 1088645862592.8734
            },
            "end": {
              "local": "2004-07-01T08:21:08+04:00",
              "utc": "2004-07-01T04:21:08Z",
              "ms": 1088655667576.9382
            }
          },
          "covered_min": 0,
          "window_min": 163,
          "qualifies": false
        },
        {
          "local_date": "2004-07-02",
          "window": {
            "start": {
              "local": "2004-07-02T05:38:04+04:00",
              "utc": "2004-07-02T01:38:04Z",
              "ms": 1088732283519.0076
            },
            "end": {
              "local": "2004-07-02T08:21:25+04:00",
              "utc": "2004-07-02T04:21:25Z",
              "ms": 1088742084531.71
            }
          },
          "covered_min": 163,
          "window_min": 163,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:01 on Thu 1 Jul to 15:09 on Fri 2 Jul.",
          "fact": "2004-07-01T15:01:23Z → 2004-07-02T11:08:55Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:38–08:21 on the 1st, 05:38–08:21 on the 2nd.",
          "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 163 minutes on the 1st and 163 of 163 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one morning qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 24450 s"
        },
        {
          "step": "ruling",
          "text": "Vyāsa Pūjā, Abu Dhabi, 2004: Friday 2 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vyasa-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)."
          }
        ],
        "kaala": "udaya-3",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-07-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-07-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vyāsa Pūjā 2004 falls on Friday 2 July. Pūrṇimā runs from 19:01 on Thu 1 Jul to 15:09 on Fri 2 Jul and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/guru-purnima",
      "festival": "guru-purnima",
      "name": "Guru Pūrṇimā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-07-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8309,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2004-07-01T19:01:23+04:00",
          "utc": "2004-07-01T15:01:23Z",
          "ms": 1088694083362.1036
        },
        "end": {
          "local": "2004-07-02T15:08:55+04:00",
          "utc": "2004-07-02T11:08:55Z",
          "ms": 1088766534639.6721
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-07-01T19:01:23+04:00",
          "utc": "2004-07-01T15:01:23Z",
          "ms": 1088694083362.1036
        },
        "end": {
          "local": "2004-07-02T15:08:55+04:00",
          "utc": "2004-07-02T11:08:55Z",
          "ms": 1088766534639.6721
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-07-01",
          "window": {
            "start": {
              "local": "2004-07-01T12:02:15+04:00",
              "utc": "2004-07-01T08:02:15Z",
              "ms": 1088668935053.0355
            },
            "end": {
              "local": "2004-07-01T12:50:15+04:00",
              "utc": "2004-07-01T08:50:15Z",
              "ms": 1088671815053.0355
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-07-02",
          "window": {
            "start": {
              "local": "2004-07-02T12:02:26+04:00",
              "utc": "2004-07-02T08:02:26Z",
              "ms": 1088755346050.7635
            },
            "end": {
              "local": "2004-07-02T12:50:26+04:00",
              "utc": "2004-07-02T08:50:26Z",
              "ms": 1088758226050.7635
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:01 on Thu 1 Jul to 15:09 on Fri 2 Jul.",
          "fact": "2004-07-01T15:01:23Z → 2004-07-02T11:08:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 1st, 12:02–12:50 on the 2nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 8309 s"
        },
        {
          "step": "ruling",
          "text": "Guru Pūrṇimā, Abu Dhabi, 2004: Friday 2 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": "2004-07-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-07-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Guru Pūrṇimā 2004 falls on Friday 2 July. Pūrṇimā runs from 19:01 on Thu 1 Jul to 15:09 on Fri 2 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ashunya-shayana-vrata-ashadha",
      "festival": "ashunya-shayana-vrata-ashadha",
      "name": "Aśūnya Śayana Vrata (Āṣāḍha)",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-07-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33413,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2004-07-03T11:20:31+04:00",
          "utc": "2004-07-03T07:20:31Z",
          "ms": 1088839230688.6506
        },
        "end": {
          "local": "2004-07-04T07:47:15+04:00",
          "utc": "2004-07-04T03:47:15Z",
          "ms": 1088912834897.0269
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-07-03T11:20:31+04:00",
          "utc": "2004-07-03T07:20:31Z",
          "ms": 1088839230688.6506
        },
        "end": {
          "local": "2004-07-04T07:47:15+04:00",
          "utc": "2004-07-04T03:47:15Z",
          "ms": 1088912834897.0269
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-07-03",
          "window": {
            "start": {
              "local": "2004-07-03T20:37:23+04:00",
              "utc": "2004-07-03T16:37:23Z",
              "ms": 1088872643463.2896
            },
            "end": {
              "local": "2004-07-03T20:37:23+04:00",
              "utc": "2004-07-03T16:37:23Z",
              "ms": 1088872643463.2896
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-07-04",
          "window": {
            "start": {
              "local": "2004-07-04T21:29:04+04:00",
              "utc": "2004-07-04T17:29:04Z",
              "ms": 1088962143584.2284
            },
            "end": {
              "local": "2004-07-04T21:29:04+04:00",
              "utc": "2004-07-04T17:29:04Z",
              "ms": 1088962143584.2284
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 11:21 on Sat 3 Jul to 07:47 on Sun 4 Jul.",
          "fact": "2004-07-03T07:20:31Z → 2004-07-04T03:47:15Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:37 on the 3rd and 21:29 on the 4th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is on the 3rd and is not on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 33413 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata (Āṣāḍha), Abu Dhabi, 2004: Saturday 3 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ashunya-shayana-vrata-ashadha",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 2 Asunya sayana vrata (candrodaya vyapini; purvahna vyapini and purvaviddha in Bengal)."
          }
        ],
        "not_evaluated": "In Bengal the row reads pūrvāhṇa and pūrvaviddha; that reading is not applied.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-07-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-07-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Aśūnya Śayana Vrata (Āṣāḍha) 2004 falls on Saturday 3 July. Dvitīyā runs from 11:21 on Sat 3 Jul to 07:47 on Sun 4 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-07-05",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-07-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14132,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-07-05T04:39:55+04:00",
          "utc": "2004-07-05T00:39:55Z",
          "ms": 1088987995173.099
        },
        "end": {
          "local": "2004-07-06T02:08:27+04:00",
          "utc": "2004-07-05T22:08:27Z",
          "ms": 1089065306505.1351
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-07-05T04:39:55+04:00",
          "utc": "2004-07-05T00:39:55Z",
          "ms": 1088987995173.099
        },
        "end": {
          "local": "2004-07-06T02:08:27+04:00",
          "utc": "2004-07-05T22:08:27Z",
          "ms": 1089065306505.1351
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-07-04",
          "window": {
            "start": {
              "local": "2004-07-04T21:29:04+04:00",
              "utc": "2004-07-04T17:29:04Z",
              "ms": 1088962143584.2284
            },
            "end": {
              "local": "2004-07-04T21:29:04+04:00",
              "utc": "2004-07-04T17:29:04Z",
              "ms": 1088962143584.2284
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-07-05",
          "window": {
            "start": {
              "local": "2004-07-05T22:12:54+04:00",
              "utc": "2004-07-05T18:12:54Z",
              "ms": 1089051174098.0206
            },
            "end": {
              "local": "2004-07-05T22:12:54+04:00",
              "utc": "2004-07-05T18:12:54Z",
              "ms": 1089051174098.0206
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 04:40 on Mon 5 Jul to 02:08 on Tue 6 Jul.",
          "fact": "2004-07-05T00:39:55Z → 2004-07-05T22:08:27Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:29 on the 4th and 22:13 on the 5th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 4th and is on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 14132 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2004: Monday 5 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-07-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-07-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2004 falls on Monday 5 July. Caturthī runs from 04:40 on Mon 5 Jul to 02:08 on Tue 6 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-07-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/ekadashi?on=2004-07-13",
      "festival": "ekadashi",
      "name": "Kāmikā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-07-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 515,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-07-12T03:29:02+04:00",
          "utc": "2004-07-11T23:29:02Z",
          "ms": 1089588541629.332
        },
        "end": {
          "local": "2004-07-13T05:51:03+04:00",
          "utc": "2004-07-13T01:51:03Z",
          "ms": 1089683462937.9585
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-07-12T03:29:02+04:00",
          "utc": "2004-07-11T23:29:02Z",
          "ms": 1089588541629.332
        },
        "end": {
          "local": "2004-07-13T05:51:03+04:00",
          "utc": "2004-07-13T01:51:03Z",
          "ms": 1089683462937.9585
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-07-12",
          "window": {
            "start": {
              "local": "2004-07-12T05:42:01+04:00",
              "utc": "2004-07-12T01:42:01Z",
              "ms": 1089596521496.7988
            },
            "end": {
              "local": "2004-07-12T05:42:01+04:00",
              "utc": "2004-07-12T01:42:01Z",
              "ms": 1089596521496.7988
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-07-13",
          "window": {
            "start": {
              "local": "2004-07-13T05:42:28+04:00",
              "utc": "2004-07-13T01:42:28Z",
              "ms": 1089682947591.9602
            },
            "end": {
              "local": "2004-07-13T05:42:28+04:00",
              "utc": "2004-07-13T01:42:28Z",
              "ms": 1089682947591.9602
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 03:29 on Mon 12 Jul to 05:51 on Tue 13 Jul.",
          "fact": "2004-07-11T23:29:02Z → 2004-07-13T01:51:03Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:42 on the 12th and 05:42 on the 13th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 12th and is on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Both sunrises qualify. Paraviddhā: the second is taken.",
          "fact": "priority: paraviddha → paraviddha · margin 515 s"
        },
        {
          "step": "ruling",
          "text": "Kāmikā Ekādaśī, Abu Dhabi, 2004: Tuesday 13 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-07-13",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-07-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kāmikā Ekādaśī 2004 falls on Tuesday 13 July. Ekādaśī runs from 03:29 on Mon 12 Jul to 05:51 on Tue 13 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-07-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-07-14",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-07-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29983,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-07-14T08:22:40+04:00",
          "utc": "2004-07-14T04:22:40Z",
          "ms": 1089778960224.4274
        },
        "end": {
          "local": "2004-07-15T10:53:31+04:00",
          "utc": "2004-07-15T06:53:31Z",
          "ms": 1089874410899.4563
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-07-14T08:22:40+04:00",
          "utc": "2004-07-14T04:22:40Z",
          "ms": 1089778960224.4274
        },
        "end": {
          "local": "2004-07-15T10:53:31+04:00",
          "utc": "2004-07-15T06:53:31Z",
          "ms": 1089874410899.4563
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-07-14",
          "window": {
            "start": {
              "local": "2004-07-14T19:13:28+04:00",
              "utc": "2004-07-14T15:13:28Z",
              "ms": 1089818008497.7471
            },
            "end": {
              "local": "2004-07-14T20:37:27+04:00",
              "utc": "2004-07-14T16:37:27Z",
              "ms": 1089823047453.0024
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        },
        {
          "local_date": "2004-07-15",
          "window": {
            "start": {
              "local": "2004-07-15T19:13:14+04:00",
              "utc": "2004-07-15T15:13:14Z",
              "ms": 1089904393896.3997
            },
            "end": {
              "local": "2004-07-15T20:37:18+04:00",
              "utc": "2004-07-15T16:37:18Z",
              "ms": 1089909438387.262
            }
          },
          "covered_min": 0,
          "window_min": 84,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 08:23 on Wed 14 Jul to 10:54 on Thu 15 Jul.",
          "fact": "2004-07-14T04:22:40Z → 2004-07-15T06:53:31Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:13–20:37 on the 14th, 19:13–20:37 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 84 of 84 minutes on the 14th and 0 of 84 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 29983 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2004: Wednesday 14 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-07-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-07-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2004 falls on Wednesday 14 July. Trayodaśī runs from 08:23 on Wed 14 Jul to 10:54 on Thu 15 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-07-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/shivaratri?on=2004-07-15",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-07-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36066,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2004-07-15T10:53:31+04:00",
          "utc": "2004-07-15T06:53:31Z",
          "ms": 1089874410899.4563
        },
        "end": {
          "local": "2004-07-16T13:15:40+04:00",
          "utc": "2004-07-16T09:15:40Z",
          "ms": 1089969340083.2885
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-07-15T10:53:31+04:00",
          "utc": "2004-07-15T06:53:31Z",
          "ms": 1089874410899.4563
        },
        "end": {
          "local": "2004-07-16T13:15:40+04:00",
          "utc": "2004-07-16T09:15:40Z",
          "ms": 1089969340083.2885
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2004-07-14",
          "window": {
            "start": {
              "local": "2004-07-15T00:04:25+04:00",
              "utc": "2004-07-14T20:04:25Z",
              "ms": 1089835464579.9546
            },
            "end": {
              "local": "2004-07-15T00:52:25+04:00",
              "utc": "2004-07-14T20:52:25Z",
              "ms": 1089838344579.9546
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-07-15",
          "window": {
            "start": {
              "local": "2004-07-16T00:04:31+04:00",
              "utc": "2004-07-15T20:04:31Z",
              "ms": 1089921870737.1333
            },
            "end": {
              "local": "2004-07-16T00:52:31+04:00",
              "utc": "2004-07-15T20:52:31Z",
              "ms": 1089924750737.1333
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 10:54 on Thu 15 Jul to 13:16 on Fri 16 Jul.",
          "fact": "2004-07-15T06:53:31Z → 2004-07-16T09:15:40Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:04–00:52 on the 14th, 00:05–00:53 on the 15th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 36066 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2004: Thursday 15 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-07-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-07-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2004 falls on Thursday 15 July. Caturdaśī runs from 10:54 on Thu 15 Jul to 13:16 on Fri 16 Jul and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/shivaratri?on=2004-07-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-07-21",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-07-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25371,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-07-20T19:55:30+04:00",
          "utc": "2004-07-20T15:55:30Z",
          "ms": 1090338930439.0996
        },
        "end": {
          "local": "2004-07-21T20:41:46+04:00",
          "utc": "2004-07-21T16:41:46Z",
          "ms": 1090428105610.8503
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": true,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-07-20T19:55:30+04:00",
          "utc": "2004-07-20T15:55:30Z",
          "ms": 1090338930439.0996
        },
        "end": {
          "local": "2004-07-21T20:41:46+04:00",
          "utc": "2004-07-21T16:41:46Z",
          "ms": 1090428105610.8503
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-07-20",
          "window": {
            "start": {
              "local": "2004-07-20T12:04:40+04:00",
              "utc": "2004-07-20T08:04:40Z",
              "ms": 1090310679686.2806
            },
            "end": {
              "local": "2004-07-20T12:52:40+04:00",
              "utc": "2004-07-20T08:52:40Z",
              "ms": 1090313559686.2806
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-07-21",
          "window": {
            "start": {
              "local": "2004-07-21T12:04:43+04:00",
              "utc": "2004-07-21T08:04:43Z",
              "ms": 1090397082514.936
            },
            "end": {
              "local": "2004-07-21T12:52:43+04:00",
              "utc": "2004-07-21T08:52:43Z",
              "ms": 1090399962514.936
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 19:56 on Tue 20 Jul to 20:42 on Wed 21 Jul.",
          "fact": "2004-07-20T15:55:30Z → 2004-07-21T16:41:46Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 20th, 12:05–12:53 on the 21st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 25371 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2004: Wednesday 21 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": "2004-07-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-07-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2004 falls on Wednesday 21 July. Caturthī runs from 19:56 on Tue 20 Jul to 20:42 on Wed 21 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-07-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/ekadashi?on=2004-07-28",
      "festival": "ekadashi",
      "name": "Śukla Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-07-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21645,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-07-27T14:41:42+04:00",
          "utc": "2004-07-27T10:41:42Z",
          "ms": 1090924901977.3296
        },
        "end": {
          "local": "2004-07-28T11:50:05+04:00",
          "utc": "2004-07-28T07:50:05Z",
          "ms": 1091001004794.1643
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": true,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-07-27T14:41:42+04:00",
          "utc": "2004-07-27T10:41:42Z",
          "ms": 1090924901977.3296
        },
        "end": {
          "local": "2004-07-28T11:50:05+04:00",
          "utc": "2004-07-28T07:50:05Z",
          "ms": 1091001004794.1643
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-07-27",
          "window": {
            "start": {
              "local": "2004-07-27T05:48:52+04:00",
              "utc": "2004-07-27T01:48:52Z",
              "ms": 1090892931766.7833
            },
            "end": {
              "local": "2004-07-27T05:48:52+04:00",
              "utc": "2004-07-27T01:48:52Z",
              "ms": 1090892931766.7833
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-07-28",
          "window": {
            "start": {
              "local": "2004-07-28T05:49:20+04:00",
              "utc": "2004-07-28T01:49:20Z",
              "ms": 1090979359518.8566
            },
            "end": {
              "local": "2004-07-28T05:49:20+04:00",
              "utc": "2004-07-28T01:49:20Z",
              "ms": 1090979359518.8566
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 14:42 on Tue 27 Jul to 11:50 on Wed 28 Jul.",
          "fact": "2004-07-27T10:41:42Z → 2004-07-28T07:50:05Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:49 on the 27th and 05:49 on the 28th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 27th and is on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 21645 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Ekādaśī, Abu Dhabi, 2004: Wednesday 28 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": "2004-07-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-07-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Ekādaśī 2004 falls on Wednesday 28 July. Ekādaśī runs from 14:42 on Tue 27 Jul to 11:50 on Wed 28 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-07-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-07-29",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-07-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30845,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-07-29T08:36:00+04:00",
          "utc": "2004-07-29T04:36:00Z",
          "ms": 1091075759623.9358
        },
        "end": {
          "local": "2004-07-30T05:07:25+04:00",
          "utc": "2004-07-30T01:07:25Z",
          "ms": 1091149645218.6488
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": true,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-07-29T08:36:00+04:00",
          "utc": "2004-07-29T04:36:00Z",
          "ms": 1091075759623.9358
        },
        "end": {
          "local": "2004-07-30T05:07:25+04:00",
          "utc": "2004-07-30T01:07:25Z",
          "ms": 1091149645218.6488
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-07-28",
          "window": {
            "start": {
              "local": "2004-07-28T19:08:12+04:00",
              "utc": "2004-07-28T15:08:12Z",
              "ms": 1091027291746.0388
            },
            "end": {
              "local": "2004-07-28T20:33:44+04:00",
              "utc": "2004-07-28T16:33:44Z",
              "ms": 1091032424473.5428
            }
          },
          "covered_min": 0,
          "window_min": 86,
          "qualifies": false
        },
        {
          "local_date": "2004-07-29",
          "window": {
            "start": {
              "local": "2004-07-29T19:07:40+04:00",
              "utc": "2004-07-29T15:07:40Z",
              "ms": 1091113660064.0275
            },
            "end": {
              "local": "2004-07-29T20:33:21+04:00",
              "utc": "2004-07-29T16:33:21Z",
              "ms": 1091118800696.0446
            }
          },
          "covered_min": 86,
          "window_min": 86,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 08:36 on Thu 29 Jul to 05:07 on Fri 30 Jul.",
          "fact": "2004-07-29T04:36:00Z → 2004-07-30T01:07:25Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:08–20:34 on the 28th, 19:08–20:33 on the 29th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 86 minutes on the 28th and 86 of 86 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30845 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2004: Thursday 29 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": "2004-07-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-07-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2004 falls on Thursday 29 July. Trayodaśī runs from 08:36 on Thu 29 Jul to 05:07 on Fri 30 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-07-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-08-03",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-08-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26671,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-08-03T13:56:21+04:00",
          "utc": "2004-08-03T09:56:21Z",
          "ms": 1091526980573.4355
        },
        "end": {
          "local": "2004-08-04T12:30:42+04:00",
          "utc": "2004-08-04T08:30:42Z",
          "ms": 1091608241749.3894
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": true,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-08-03T13:56:21+04:00",
          "utc": "2004-08-03T09:56:21Z",
          "ms": 1091526980573.4355
        },
        "end": {
          "local": "2004-08-04T12:30:42+04:00",
          "utc": "2004-08-04T08:30:42Z",
          "ms": 1091608241749.3894
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-08-03",
          "window": {
            "start": {
              "local": "2004-08-03T21:20:52+04:00",
              "utc": "2004-08-03T17:20:52Z",
              "ms": 1091553651707.7224
            },
            "end": {
              "local": "2004-08-03T21:20:52+04:00",
              "utc": "2004-08-03T17:20:52Z",
              "ms": 1091553651707.7224
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-08-04",
          "window": {
            "start": {
              "local": "2004-08-04T21:54:27+04:00",
              "utc": "2004-08-04T17:54:27Z",
              "ms": 1091642067372.3762
            },
            "end": {
              "local": "2004-08-04T21:54:27+04:00",
              "utc": "2004-08-04T17:54:27Z",
              "ms": 1091642067372.3762
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:56 on Tue 3 Aug to 12:31 on Wed 4 Aug.",
          "fact": "2004-08-03T09:56:21Z → 2004-08-04T08:30:42Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:21 on the 3rd and 21:54 on the 4th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 3rd and is not on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26671 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2004: Tuesday 3 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": "2004-08-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-08-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2004 falls on Tuesday 3 August. Caturthī runs from 13:56 on Tue 3 Aug to 12:31 on Wed 4 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-08-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/ekadashi?on=2004-08-11",
      "festival": "ekadashi",
      "name": "Kṛṣṇa Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-08-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28026,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-08-10T19:39:02+04:00",
          "utc": "2004-08-10T15:39:02Z",
          "ms": 1092152342431.7336
        },
        "end": {
          "local": "2004-08-11T22:08:56+04:00",
          "utc": "2004-08-11T18:08:56Z",
          "ms": 1092247736497.4922
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": true,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-08-10T19:39:02+04:00",
          "utc": "2004-08-10T15:39:02Z",
          "ms": 1092152342431.7336
        },
        "end": {
          "local": "2004-08-11T22:08:56+04:00",
          "utc": "2004-08-11T18:08:56Z",
          "ms": 1092247736497.4922
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-08-11",
          "window": {
            "start": {
              "local": "2004-08-11T05:55:37+04:00",
              "utc": "2004-08-11T01:55:37Z",
              "ms": 1092189336623.6621
            },
            "end": {
              "local": "2004-08-11T05:55:37+04:00",
              "utc": "2004-08-11T01:55:37Z",
              "ms": 1092189336623.6621
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-08-12",
          "window": {
            "start": {
              "local": "2004-08-12T05:56:02+04:00",
              "utc": "2004-08-12T01:56:02Z",
              "ms": 1092275762428.6577
            },
            "end": {
              "local": "2004-08-12T05:56:02+04:00",
              "utc": "2004-08-12T01:56:02Z",
              "ms": 1092275762428.6577
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 19:39 on Tue 10 Aug to 22:09 on Wed 11 Aug.",
          "fact": "2004-08-10T15:39:02Z → 2004-08-11T18:08:56Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:56 on the 11th and 05:56 on the 12th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 28026 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Ekādaśī, Abu Dhabi, 2004: Wednesday 11 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": "2004-08-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-08-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Ekādaśī 2004 falls on Wednesday 11 August. Ekādaśī runs from 19:39 on Tue 10 Aug to 22:09 on Wed 11 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-08-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-08-13",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-08-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14568,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-08-13T00:28:57+04:00",
          "utc": "2004-08-12T20:28:57Z",
          "ms": 1092342536977.4808
        },
        "end": {
          "local": "2004-08-14T02:30:49+04:00",
          "utc": "2004-08-13T22:30:49Z",
          "ms": 1092436249106.897
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": true,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-08-13T00:28:57+04:00",
          "utc": "2004-08-12T20:28:57Z",
          "ms": 1092342536977.4808
        },
        "end": {
          "local": "2004-08-14T02:30:49+04:00",
          "utc": "2004-08-13T22:30:49Z",
          "ms": 1092436249106.897
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-08-12",
          "window": {
            "start": {
              "local": "2004-08-12T18:58:25+04:00",
              "utc": "2004-08-12T14:58:25Z",
              "ms": 1092322704744.0754
            },
            "end": {
              "local": "2004-08-12T20:26:09+04:00",
              "utc": "2004-08-12T16:26:09Z",
              "ms": 1092327969183.8684
            }
          },
          "covered_min": 0,
          "window_min": 88,
          "qualifies": false
        },
        {
          "local_date": "2004-08-13",
          "window": {
            "start": {
              "local": "2004-08-13T18:57:38+04:00",
              "utc": "2004-08-13T14:57:38Z",
              "ms": 1092409057824.4164
            },
            "end": {
              "local": "2004-08-13T20:25:32+04:00",
              "utc": "2004-08-13T16:25:32Z",
              "ms": 1092414331908.9749
            }
          },
          "covered_min": 88,
          "window_min": 88,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 00:29 on Fri 13 Aug to 02:31 on Sat 14 Aug.",
          "fact": "2004-08-12T20:28:57Z → 2004-08-13T22:30:49Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:26 on the 12th, 18:58–20:26 on the 13th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 88 minutes on the 12th and 88 of 88 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 14568 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2004: Friday 13 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-08-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-08-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2004 falls on Friday 13 August. Trayodaśī runs from 00:29 on Fri 13 Aug to 02:31 on Sat 14 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-08-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/shivaratri?on=2004-08-14",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-08-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5973,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2004-08-14T02:30:49+04:00",
          "utc": "2004-08-13T22:30:49Z",
          "ms": 1092436249106.897
        },
        "end": {
          "local": "2004-08-15T04:09:46+04:00",
          "utc": "2004-08-15T00:09:46Z",
          "ms": 1092528585859.6755
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": true,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-08-14T02:30:49+04:00",
          "utc": "2004-08-13T22:30:49Z",
          "ms": 1092436249106.897
        },
        "end": {
          "local": "2004-08-15T04:09:46+04:00",
          "utc": "2004-08-15T00:09:46Z",
          "ms": 1092528585859.6755
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2004-08-13",
          "window": {
            "start": {
              "local": "2004-08-14T00:03:16+04:00",
              "utc": "2004-08-13T20:03:16Z",
              "ms": 1092427395641.5105
            },
            "end": {
              "local": "2004-08-14T00:51:16+04:00",
              "utc": "2004-08-13T20:51:16Z",
              "ms": 1092430275641.5105
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-08-14",
          "window": {
            "start": {
              "local": "2004-08-15T00:03:04+04:00",
              "utc": "2004-08-14T20:03:04Z",
              "ms": 1092513784352.4742
            },
            "end": {
              "local": "2004-08-15T00:51:04+04:00",
              "utc": "2004-08-14T20:51:04Z",
              "ms": 1092516664352.4742
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 02:31 on Sat 14 Aug to 04:10 on Sun 15 Aug.",
          "fact": "2004-08-13T22:30:49Z → 2004-08-15T00:09:46Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:03–00:51 on the 13th, 00:03–00:51 on the 14th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5973 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2004: Saturday 14 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": "2004-08-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-08-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2004 falls on Saturday 14 August. Caturdaśī runs from 02:31 on Sat 14 Aug to 04:10 on Sun 15 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/shivaratri?on=2004-08-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/madhusrava-tritiya",
      "festival": "madhusrava-tritiya",
      "name": "Madhusravā Tṛtīyā",
      "everyday": "Hariyali Teej",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-08-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19225,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2004-08-18T06:38:45+04:00",
          "utc": "2004-08-18T02:38:45Z",
          "ms": 1092796724903.3402
        },
        "end": {
          "local": "2004-08-19T06:41:23+04:00",
          "utc": "2004-08-19T02:41:23Z",
          "ms": 1092883282715.5902
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-08-18T06:38:45+04:00",
          "utc": "2004-08-18T02:38:45Z",
          "ms": 1092796724903.3402
        },
        "end": {
          "local": "2004-08-19T06:41:23+04:00",
          "utc": "2004-08-19T02:41:23Z",
          "ms": 1092883282715.5902
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-08-18",
          "window": {
            "start": {
              "local": "2004-08-18T12:02:02+04:00",
              "utc": "2004-08-18T08:02:02Z",
              "ms": 1092816121782.6053
            },
            "end": {
              "local": "2004-08-18T12:50:02+04:00",
              "utc": "2004-08-18T08:50:02Z",
              "ms": 1092819001782.6053
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-08-19",
          "window": {
            "start": {
              "local": "2004-08-19T12:01:48+04:00",
              "utc": "2004-08-19T08:01:48Z",
              "ms": 1092902508022.6797
            },
            "end": {
              "local": "2004-08-19T12:49:48+04:00",
              "utc": "2004-08-19T08:49:48Z",
              "ms": 1092905388022.6797
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 06:39 on Wed 18 Aug to 06:41 on Thu 19 Aug.",
          "fact": "2004-08-18T02:38:45Z → 2004-08-19T02:41:23Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 18th, 12:02–12:50 on the 19th.",
          "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 18th and 0 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 19225 s"
        },
        {
          "step": "ruling",
          "text": "Madhusravā Tṛtīyā, Abu Dhabi, 2004: Wednesday 18 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "madhusrava-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Madhusrava (Gujerat) (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-08-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-08-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Madhusravā Tṛtīyā (Hariyali Teej) 2004 falls on Wednesday 18 August. Tṛtīyā runs from 06:39 on Wed 18 Aug to 06:41 on Thu 19 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-08-19",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-08-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19225,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-08-19T06:41:23+04:00",
          "utc": "2004-08-19T02:41:23Z",
          "ms": 1092883282715.5902
        },
        "end": {
          "local": "2004-08-20T06:21:38+04:00",
          "utc": "2004-08-20T02:21:38Z",
          "ms": 1092968498204.9613
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-08-19T06:41:23+04:00",
          "utc": "2004-08-19T02:41:23Z",
          "ms": 1092883282715.5902
        },
        "end": {
          "local": "2004-08-20T06:21:38+04:00",
          "utc": "2004-08-20T02:21:38Z",
          "ms": 1092968498204.9613
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-08-19",
          "window": {
            "start": {
              "local": "2004-08-19T12:01:48+04:00",
              "utc": "2004-08-19T08:01:48Z",
              "ms": 1092902508022.6797
            },
            "end": {
              "local": "2004-08-19T12:49:48+04:00",
              "utc": "2004-08-19T08:49:48Z",
              "ms": 1092905388022.6797
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-08-20",
          "window": {
            "start": {
              "local": "2004-08-20T12:01:34+04:00",
              "utc": "2004-08-20T08:01:34Z",
              "ms": 1092988893771.2798
            },
            "end": {
              "local": "2004-08-20T12:49:34+04:00",
              "utc": "2004-08-20T08:49:34Z",
              "ms": 1092991773771.2798
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:41 on Thu 19 Aug to 06:22 on Fri 20 Aug.",
          "fact": "2004-08-19T02:41:23Z → 2004-08-20T02:21:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 19th, 12:02–12:50 on the 20th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 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 midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 19225 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2004: Thursday 19 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-08-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-08-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2004 falls on Thursday 19 August. Caturthī runs from 06:41 on Thu 19 Aug to 06:22 on Fri 20 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-08-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/naga-panchami",
      "festival": "naga-panchami",
      "name": "Nāga Pañcamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-08-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20396,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2004-08-20T06:21:38+04:00",
          "utc": "2004-08-20T02:21:38Z",
          "ms": 1092968498204.9613
        },
        "end": {
          "local": "2004-08-21T05:39:23+04:00",
          "utc": "2004-08-21T01:39:23Z",
          "ms": 1093052363130.4814
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-08-20T06:21:38+04:00",
          "utc": "2004-08-20T02:21:38Z",
          "ms": 1092968498204.9613
        },
        "end": {
          "local": "2004-08-21T05:39:23+04:00",
          "utc": "2004-08-21T01:39:23Z",
          "ms": 1093052363130.4814
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-08-20",
          "window": {
            "start": {
              "local": "2004-08-20T12:01:34+04:00",
              "utc": "2004-08-20T08:01:34Z",
              "ms": 1092988893771.2798
            },
            "end": {
              "local": "2004-08-20T12:49:34+04:00",
              "utc": "2004-08-20T08:49:34Z",
              "ms": 1092991773771.2798
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-08-21",
          "window": {
            "start": {
              "local": "2004-08-21T12:01:19+04:00",
              "utc": "2004-08-21T08:01:19Z",
              "ms": 1093075279037.9426
            },
            "end": {
              "local": "2004-08-21T12:49:19+04:00",
              "utc": "2004-08-21T08:49:19Z",
              "ms": 1093078159037.9426
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 06:22 on Fri 20 Aug to 05:39 on Sat 21 Aug.",
          "fact": "2004-08-20T02:21:38Z → 2004-08-21T01:39:23Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 20th, 12:01–12:49 on the 21st.",
          "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 20th and 0 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 20396 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī, Abu Dhabi, 2004: Friday 20 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Naga pancami (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-08-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-08-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Nāga Pañcamī 2004 falls on Friday 20 August. Pañcamī runs from 06:22 on Fri 20 Aug to 05:39 on Sat 21 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ekadashi?on=2004-08-26",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-08-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34626,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-08-25T20:24:36+04:00",
          "utc": "2004-08-25T16:24:36Z",
          "ms": 1093451075588.4006
        },
        "end": {
          "local": "2004-08-26T17:36:23+04:00",
          "utc": "2004-08-26T13:36:23Z",
          "ms": 1093527383295.639
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-08-25T20:24:36+04:00",
          "utc": "2004-08-25T16:24:36Z",
          "ms": 1093451075588.4006
        },
        "end": {
          "local": "2004-08-26T17:36:23+04:00",
          "utc": "2004-08-26T13:36:23Z",
          "ms": 1093527383295.639
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-08-26",
          "window": {
            "start": {
              "local": "2004-08-26T06:01:41+04:00",
              "utc": "2004-08-26T02:01:41Z",
              "ms": 1093485701461.956
            },
            "end": {
              "local": "2004-08-26T06:01:41+04:00",
              "utc": "2004-08-26T02:01:41Z",
              "ms": 1093485701461.956
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-08-27",
          "window": {
            "start": {
              "local": "2004-08-27T06:02:04+04:00",
              "utc": "2004-08-27T02:02:04Z",
              "ms": 1093572124031.9578
            },
            "end": {
              "local": "2004-08-27T06:02:04+04:00",
              "utc": "2004-08-27T02:02:04Z",
              "ms": 1093572124031.9578
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 20:25 on Wed 25 Aug to 17:36 on Thu 26 Aug.",
          "fact": "2004-08-25T16:24:36Z → 2004-08-26T13:36:23Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:02 on the 26th and 06:02 on the 27th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 26th and is not on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 34626 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Abu Dhabi, 2004: Thursday 26 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": "2004-08-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-08-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Putradā Ekādaśī 2004 falls on Thursday 26 August. Ekādaśī runs from 20:25 on Wed 25 Aug to 17:36 on Thu 26 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-08-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/damodara-dvadashi",
      "festival": "damodara-dvadashi",
      "name": "Dāmodara Dvādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-08-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6735,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2004-08-26T17:36:23+04:00",
          "utc": "2004-08-26T13:36:23Z",
          "ms": 1093527383295.639
        },
        "end": {
          "local": "2004-08-27T14:39:56+04:00",
          "utc": "2004-08-27T10:39:56Z",
          "ms": 1093603196434.706
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-08-26T17:36:23+04:00",
          "utc": "2004-08-26T13:36:23Z",
          "ms": 1093527383295.639
        },
        "end": {
          "local": "2004-08-27T14:39:56+04:00",
          "utc": "2004-08-27T10:39:56Z",
          "ms": 1093603196434.706
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-08-26",
          "window": {
            "start": {
              "local": "2004-08-26T11:59:59+04:00",
              "utc": "2004-08-26T07:59:59Z",
              "ms": 1093507198557.8546
            },
            "end": {
              "local": "2004-08-26T12:47:59+04:00",
              "utc": "2004-08-26T08:47:59Z",
              "ms": 1093510078557.8546
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-08-27",
          "window": {
            "start": {
              "local": "2004-08-27T11:59:41+04:00",
              "utc": "2004-08-27T07:59:41Z",
              "ms": 1093593581200.8391
            },
            "end": {
              "local": "2004-08-27T12:47:41+04:00",
              "utc": "2004-08-27T08:47:41Z",
              "ms": 1093596461200.8391
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 17:36 on Thu 26 Aug to 14:40 on Fri 27 Aug.",
          "fact": "2004-08-26T13:36:23Z → 2004-08-27T10:39:56Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 26th, 12:00–12:48 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 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: purvaviddha → only-day · margin 6735 s"
        },
        {
          "step": "ruling",
          "text": "Dāmodara Dvādaśī, Abu Dhabi, 2004: Friday 27 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": "2004-08-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-08-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Dāmodara Dvādaśī 2004 falls on Friday 27 August. Dvādaśī runs from 17:36 on Thu 26 Aug to 14:40 on Fri 27 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-08-27",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-08-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14722,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-08-27T14:39:56+04:00",
          "utc": "2004-08-27T10:39:56Z",
          "ms": 1093603196434.706
        },
        "end": {
          "local": "2004-08-28T11:42:55+04:00",
          "utc": "2004-08-28T07:42:55Z",
          "ms": 1093678974699.247
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-08-27T14:39:56+04:00",
          "utc": "2004-08-27T10:39:56Z",
          "ms": 1093603196434.706
        },
        "end": {
          "local": "2004-08-28T11:42:55+04:00",
          "utc": "2004-08-28T07:42:55Z",
          "ms": 1093678974699.247
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-08-27",
          "window": {
            "start": {
              "local": "2004-08-27T18:45:18+04:00",
              "utc": "2004-08-27T14:45:18Z",
              "ms": 1093617918369.7203
            },
            "end": {
              "local": "2004-08-27T20:15:35+04:00",
              "utc": "2004-08-27T16:15:35Z",
              "ms": 1093623335441.0974
            }
          },
          "covered_min": 90,
          "window_min": 90,
          "qualifies": true
        },
        {
          "local_date": "2004-08-28",
          "window": {
            "start": {
              "local": "2004-08-28T18:44:21+04:00",
              "utc": "2004-08-28T14:44:21Z",
              "ms": 1093704260522.3198
            },
            "end": {
              "local": "2004-08-28T20:14:48+04:00",
              "utc": "2004-08-28T16:14:48Z",
              "ms": 1093709688265.0463
            }
          },
          "covered_min": 0,
          "window_min": 90,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 14:40 on Fri 27 Aug to 11:43 on Sat 28 Aug.",
          "fact": "2004-08-27T10:39:56Z → 2004-08-28T07:42:55Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:45–20:16 on the 27th, 18:44–20:15 on the 28th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 90 of 90 minutes on the 27th and 0 of 90 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 14722 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2004: Friday 27 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-08-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-08-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2004 falls on Friday 27 August. Trayodaśī runs from 14:40 on Fri 27 Aug to 11:43 on Sat 28 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-08-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/raksha-bandhana",
      "festival": "raksha-bandhana",
      "name": "Rakṣā Bandhana",
      "everyday": "Rakhi",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-08-29",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1145,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2004-08-29T08:53:58+04:00",
          "utc": "2004-08-29T04:53:58Z",
          "ms": 1093755237543.5614
        },
        "end": {
          "local": "2004-08-30T06:22:16+04:00",
          "utc": "2004-08-30T02:22:16Z",
          "ms": 1093832536001.435
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "second-half",
        "start": {
          "local": "2004-08-29T19:35:23+04:00",
          "utc": "2004-08-29T15:35:23Z",
          "ms": 1093793722534.1913
        },
        "end": {
          "local": "2004-08-30T06:22:16+04:00",
          "utc": "2004-08-30T02:22:16Z",
          "ms": 1093832536001.435
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2004-08-29",
          "window": {
            "start": {
              "local": "2004-08-29T06:02:49+04:00",
              "utc": "2004-08-29T02:02:49Z",
              "ms": 1093744968592.7684
            },
            "end": {
              "local": "2004-08-30T06:03:11+04:00",
              "utc": "2004-08-30T02:03:11Z",
              "ms": 1093831390608.0624
            }
          },
          "covered_min": 628,
          "window_min": 1440,
          "qualifies": true
        },
        {
          "local_date": "2004-08-30",
          "window": {
            "start": {
              "local": "2004-08-30T06:03:11+04:00",
              "utc": "2004-08-30T02:03:11Z",
              "ms": 1093831390608.0624
            },
            "end": {
              "local": "2004-08-31T06:03:32+04:00",
              "utc": "2004-08-31T02:03:32Z",
              "ms": 1093917812464.7495
            }
          },
          "covered_min": 19,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 08:54 on Sun 29 Aug to 06:22 on Mon 30 Aug. Its second half begins at 19:35 on Sun 29 Aug.",
          "fact": "2004-08-29T04:53:58Z → 2004-08-30T02:22:16Z · second half from 2004-08-29T15:35:23Z"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 06:03 on the 29th, and from 06:03 on the 30th.",
          "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The second half of Pūrṇimā must be present during the day. It covers 628 of 1440 minutes on the 29th and 19 of 1440 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 1145 s"
        },
        {
          "step": "ruling",
          "text": "Rakṣā Bandhana, Abu Dhabi, 2004: Sunday 29 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": "2004-08-29",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-08-29",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Rakṣā Bandhana (Rakhi) 2004 falls on Sunday 29 August. The second half of Pūrṇimā runs from 19:35 on Sun 29 Aug to 06:22 on Mon 30 Aug and falls on two days: 628 minutes of it on the 29th, 19 on the 30th; 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/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/rishi-tarpana",
      "festival": "rishi-tarpana",
      "name": "Ṛṣi Tarpaṇa",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-08-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11108,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2004-08-29T08:53:58+04:00",
          "utc": "2004-08-29T04:53:58Z",
          "ms": 1093755237543.5614
        },
        "end": {
          "local": "2004-08-30T06:22:16+04:00",
          "utc": "2004-08-30T02:22:16Z",
          "ms": 1093832536001.435
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-08-29T08:53:58+04:00",
          "utc": "2004-08-29T04:53:58Z",
          "ms": 1093755237543.5614
        },
        "end": {
          "local": "2004-08-30T06:22:16+04:00",
          "utc": "2004-08-30T02:22:16Z",
          "ms": 1093832536001.435
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-08-29",
          "window": {
            "start": {
              "local": "2004-08-29T11:59:05+04:00",
              "utc": "2004-08-29T07:59:05Z",
              "ms": 1093766345365.9651
            },
            "end": {
              "local": "2004-08-29T12:47:05+04:00",
              "utc": "2004-08-29T08:47:05Z",
              "ms": 1093769225365.9651
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-08-30",
          "window": {
            "start": {
              "local": "2004-08-30T11:58:47+04:00",
              "utc": "2004-08-30T07:58:47Z",
              "ms": 1093852726927.9971
            },
            "end": {
              "local": "2004-08-30T12:46:47+04:00",
              "utc": "2004-08-30T08:46:47Z",
              "ms": 1093855606927.9971
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 08:54 on Sun 29 Aug to 06:22 on Mon 30 Aug.",
          "fact": "2004-08-29T04:53:58Z → 2004-08-30T02:22:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 29th, 11:59–12:47 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 11108 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Tarpaṇa, Abu Dhabi, 2004: Sunday 29 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": "2004-08-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-08-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Ṛṣi Tarpaṇa 2004 falls on Sunday 29 August. Pūrṇimā runs from 08:54 on Sun 29 Aug to 06:22 on Mon 30 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ashunya-shayana-vrata",
      "festival": "ashunya-shayana-vrata",
      "name": "Aśūnya Śayana Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-08-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24990,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2004-08-31T04:16:58+04:00",
          "utc": "2004-08-31T00:16:58Z",
          "ms": 1093911418465.0414
        },
        "end": {
          "local": "2004-09-01T02:46:28+04:00",
          "utc": "2004-08-31T22:46:28Z",
          "ms": 1093992388441.3832
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-08-31T04:16:58+04:00",
          "utc": "2004-08-31T00:16:58Z",
          "ms": 1093911418465.0414
        },
        "end": {
          "local": "2004-09-01T02:46:28+04:00",
          "utc": "2004-08-31T22:46:28Z",
          "ms": 1093992388441.3832
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-08-30",
          "window": {
            "start": {
              "local": "2004-08-30T19:15:00+04:00",
              "utc": "2004-08-30T15:15:00Z",
              "ms": 1093878899867.0479
            },
            "end": {
              "local": "2004-08-30T19:15:00+04:00",
              "utc": "2004-08-30T15:15:00Z",
              "ms": 1093878899867.0479
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-08-31",
          "window": {
            "start": {
              "local": "2004-08-31T19:49:59+04:00",
              "utc": "2004-08-31T15:49:59Z",
              "ms": 1093967398653.8091
            },
            "end": {
              "local": "2004-08-31T19:49:59+04:00",
              "utc": "2004-08-31T15:49:59Z",
              "ms": 1093967398653.8091
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 04:17 on Tue 31 Aug to 02:46 on Wed 1 Sep.",
          "fact": "2004-08-31T00:16:58Z → 2004-08-31T22:46:28Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:15 on the 30th and 19:50 on the 31st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is not on the 30th and is on the 31st.",
          "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 24990 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata, Abu Dhabi, 2004: Tuesday 31 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ashunya-shayana-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)."
          }
        ],
        "kaala": "moonrise",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-08-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-08-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Aśūnya Śayana Vrata 2004 falls on Tuesday 31 August. Dvitīyā runs from 04:17 on Tue 31 Aug to 02:46 on Wed 1 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/kajjali-tritiya",
      "festival": "kajjali-tritiya",
      "name": "Kajjalī Tṛtīyā",
      "everyday": "Kajari Teej",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33101,
      "anga": {
        "type": "tithi",
        "index": 17,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2004-09-01T02:46:28+04:00",
          "utc": "2004-08-31T22:46:28Z",
          "ms": 1093992388441.3832
        },
        "end": {
          "local": "2004-09-02T01:57:33+04:00",
          "utc": "2004-09-01T21:57:33Z",
          "ms": 1094075852573.3812
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-01T02:46:28+04:00",
          "utc": "2004-08-31T22:46:28Z",
          "ms": 1093992388441.3832
        },
        "end": {
          "local": "2004-09-02T01:57:33+04:00",
          "utc": "2004-09-01T21:57:33Z",
          "ms": 1094075852573.3812
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-09-01",
          "window": {
            "start": {
              "local": "2004-09-01T11:58:09+04:00",
              "utc": "2004-09-01T07:58:09Z",
              "ms": 1094025489114.1523
            },
            "end": {
              "local": "2004-09-01T12:46:09+04:00",
              "utc": "2004-09-01T08:46:09Z",
              "ms": 1094028369114.1523
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-09-02",
          "window": {
            "start": {
              "local": "2004-09-02T11:57:50+04:00",
              "utc": "2004-09-02T07:57:50Z",
              "ms": 1094111869779.5022
            },
            "end": {
              "local": "2004-09-02T12:45:50+04:00",
              "utc": "2004-09-02T08:45:50Z",
              "ms": 1094114749779.5022
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 02:46 on Wed 1 Sep to 01:58 on Thu 2 Sep.",
          "fact": "2004-08-31T22:46:28Z → 2004-09-01T21:57:33Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 1st, 11:58–12:46 on the 2nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 33101 s"
        },
        {
          "step": "ruling",
          "text": "Kajjalī Tṛtīyā, Abu Dhabi, 2004: Wednesday 1 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kajjali-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-09-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kajjalī Tṛtīyā (Kajari Teej) 2004 falls on Wednesday 1 September. Tṛtīyā runs from 02:46 on Wed 1 Sep to 01:58 on Thu 2 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/bahula-chaturthi",
      "festival": "bahula-chaturthi",
      "name": "Bahulā Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26096,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-09-02T01:57:33+04:00",
          "utc": "2004-09-01T21:57:33Z",
          "ms": 1094075852573.3812
        },
        "end": {
          "local": "2004-09-03T01:54:20+04:00",
          "utc": "2004-09-02T21:54:20Z",
          "ms": 1094162060192.7072
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-02T01:57:33+04:00",
          "utc": "2004-09-01T21:57:33Z",
          "ms": 1094075852573.3812
        },
        "end": {
          "local": "2004-09-03T01:54:20+04:00",
          "utc": "2004-09-02T21:54:20Z",
          "ms": 1094162060192.7072
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2004-09-01",
          "window": {
            "start": {
              "local": "2004-09-01T16:09:06+04:00",
              "utc": "2004-09-01T12:09:06Z",
              "ms": 1094040546076.475
            },
            "end": {
              "local": "2004-09-01T18:40:24+04:00",
              "utc": "2004-09-01T14:40:24Z",
              "ms": 1094049624051.3567
            }
          },
          "covered_min": 0,
          "window_min": 151,
          "qualifies": false
        },
        {
          "local_date": "2004-09-02",
          "window": {
            "start": {
              "local": "2004-09-02T16:08:22+04:00",
              "utc": "2004-09-02T12:08:22Z",
              "ms": 1094126902192.0112
            },
            "end": {
              "local": "2004-09-02T18:39:24+04:00",
              "utc": "2004-09-02T14:39:24Z",
              "ms": 1094135963800.3506
            }
          },
          "covered_min": 151,
          "window_min": 151,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 01:58 on Thu 2 Sep to 01:54 on Fri 3 Sep.",
          "fact": "2004-09-01T21:57:33Z → 2004-09-02T21:54:20Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:09–18:40 on the 1st, 16:08–18:39 on the 2nd.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during sāyāhna. It covers 0 of 151 minutes on the 1st and 151 of 151 on the 2nd.",
          "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 26096 s"
        },
        {
          "step": "ruling",
          "text": "Bahulā Caturthī, Abu Dhabi, 2004: Thursday 2 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bahula-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)."
          }
        ],
        "kaala": "sayahna",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-09-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Bahulā Caturthī 2004 falls on Thursday 2 September. Caturthī runs from 01:58 on Thu 2 Sep to 01:54 on Fri 3 Sep and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-09-02",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17905,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-09-02T01:57:33+04:00",
          "utc": "2004-09-01T21:57:33Z",
          "ms": 1094075852573.3812
        },
        "end": {
          "local": "2004-09-03T01:54:20+04:00",
          "utc": "2004-09-02T21:54:20Z",
          "ms": 1094162060192.7072
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-02T01:57:33+04:00",
          "utc": "2004-09-01T21:57:33Z",
          "ms": 1094075852573.3812
        },
        "end": {
          "local": "2004-09-03T01:54:20+04:00",
          "utc": "2004-09-02T21:54:20Z",
          "ms": 1094162060192.7072
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-09-01",
          "window": {
            "start": {
              "local": "2004-09-01T20:23:09+04:00",
              "utc": "2004-09-01T16:23:09Z",
              "ms": 1094055788521.1948
            },
            "end": {
              "local": "2004-09-01T20:23:09+04:00",
              "utc": "2004-09-01T16:23:09Z",
              "ms": 1094055788521.1948
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-09-02",
          "window": {
            "start": {
              "local": "2004-09-02T20:55:56+04:00",
              "utc": "2004-09-02T16:55:56Z",
              "ms": 1094144155556.121
            },
            "end": {
              "local": "2004-09-02T20:55:56+04:00",
              "utc": "2004-09-02T16:55:56Z",
              "ms": 1094144155556.121
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 01:58 on Thu 2 Sep to 01:54 on Fri 3 Sep.",
          "fact": "2004-09-01T21:57:33Z → 2004-09-02T21:54:20Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:23 on the 1st and 20:56 on the 2nd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 1st and is on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17905 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2004: Thursday 2 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-09-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2004 falls on Thursday 2 September. Caturthī runs from 01:58 on Thu 2 Sep to 01:54 on Fri 3 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-09-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/hala-shashthi",
      "festival": "hala-shashthi",
      "name": "Hala Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28447,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2004-09-04T02:37:22+04:00",
          "utc": "2004-09-03T22:37:22Z",
          "ms": 1094251041960.3629
        },
        "end": {
          "local": "2004-09-05T04:02:44+04:00",
          "utc": "2004-09-05T00:02:44Z",
          "ms": 1094342563630.2329
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-04T02:37:22+04:00",
          "utc": "2004-09-03T22:37:22Z",
          "ms": 1094251041960.3629
        },
        "end": {
          "local": "2004-09-05T04:02:44+04:00",
          "utc": "2004-09-05T00:02:44Z",
          "ms": 1094342563630.2329
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-09-04",
          "window": {
            "start": {
              "local": "2004-09-04T11:57:10+04:00",
              "utc": "2004-09-04T07:57:10Z",
              "ms": 1094284630354.3783
            },
            "end": {
              "local": "2004-09-04T12:45:10+04:00",
              "utc": "2004-09-04T08:45:10Z",
              "ms": 1094287510354.3783
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-09-05",
          "window": {
            "start": {
              "local": "2004-09-05T11:56:50+04:00",
              "utc": "2004-09-05T07:56:50Z",
              "ms": 1094371010302.3859
            },
            "end": {
              "local": "2004-09-05T12:44:50+04:00",
              "utc": "2004-09-05T08:44:50Z",
              "ms": 1094373890302.3859
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 02:37 on Sat 4 Sep to 04:03 on Sun 5 Sep.",
          "fact": "2004-09-03T22:37:22Z → 2004-09-05T00:02:44Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 4th, 11:57–12:45 on the 5th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 28447 s"
        },
        {
          "step": "ruling",
          "text": "Hala Ṣaṣṭhī, Abu Dhabi, 2004: Saturday 4 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "hala-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 6 Hala sasthi (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-09-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Hala Ṣaṣṭhī 2004 falls on Saturday 4 September. Ṣaṣṭhī runs from 02:37 on Sat 4 Sep to 04:03 on Sun 5 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/shitala-saptami",
      "festival": "shitala-saptami",
      "name": "Śītalā Saptamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21273,
      "anga": {
        "type": "tithi",
        "index": 21,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2004-09-05T04:02:44+04:00",
          "utc": "2004-09-05T00:02:44Z",
          "ms": 1094342563630.2329
        },
        "end": {
          "local": "2004-09-06T06:01:57+04:00",
          "utc": "2004-09-06T02:01:57Z",
          "ms": 1094436117116.7688
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-05T04:02:44+04:00",
          "utc": "2004-09-05T00:02:44Z",
          "ms": 1094342563630.2329
        },
        "end": {
          "local": "2004-09-06T06:01:57+04:00",
          "utc": "2004-09-06T02:01:57Z",
          "ms": 1094436117116.7688
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-09-05",
          "window": {
            "start": {
              "local": "2004-09-05T11:56:50+04:00",
              "utc": "2004-09-05T07:56:50Z",
              "ms": 1094371010302.3859
            },
            "end": {
              "local": "2004-09-05T12:44:50+04:00",
              "utc": "2004-09-05T08:44:50Z",
              "ms": 1094373890302.3859
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-09-06",
          "window": {
            "start": {
              "local": "2004-09-06T11:56:30+04:00",
              "utc": "2004-09-06T07:56:30Z",
              "ms": 1094457390048.9996
            },
            "end": {
              "local": "2004-09-06T12:44:30+04:00",
              "utc": "2004-09-06T08:44:30Z",
              "ms": 1094460270048.9996
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 04:03 on Sun 5 Sep to 06:02 on Mon 6 Sep.",
          "fact": "2004-09-05T00:02:44Z → 2004-09-06T02:01:57Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 5th, 11:57–12:45 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 21273 s"
        },
        {
          "step": "ruling",
          "text": "Śītalā Saptamī, Abu Dhabi, 2004: Sunday 5 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shitala-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 7 Sitala saptami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-09-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śītalā Saptamī 2004 falls on Sunday 5 September. Saptamī runs from 04:03 on Sun 5 Sep to 06:02 on Mon 6 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/janmashtami",
      "festival": "janmashtami",
      "name": "Janmāṣṭamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19016,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2004-09-06T06:01:57+04:00",
          "utc": "2004-09-06T02:01:57Z",
          "ms": 1094436117116.7688
        },
        "end": {
          "local": "2004-09-07T08:22:47+04:00",
          "utc": "2004-09-07T04:22:47Z",
          "ms": 1094530967441.4602
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-06T06:01:57+04:00",
          "utc": "2004-09-06T02:01:57Z",
          "ms": 1094436117116.7688
        },
        "end": {
          "local": "2004-09-07T08:22:47+04:00",
          "utc": "2004-09-07T04:22:47Z",
          "ms": 1094530967441.4602
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2004-09-05",
          "window": {
            "start": {
              "local": "2004-09-05T23:57:01+04:00",
              "utc": "2004-09-05T19:57:01Z",
              "ms": 1094414220895.9731
            },
            "end": {
              "local": "2004-09-06T00:45:01+04:00",
              "utc": "2004-09-05T20:45:01Z",
              "ms": 1094417100895.9731
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-09-06",
          "window": {
            "start": {
              "local": "2004-09-06T23:56:41+04:00",
              "utc": "2004-09-06T19:56:41Z",
              "ms": 1094500600607.9551
            },
            "end": {
              "local": "2004-09-07T00:44:41+04:00",
              "utc": "2004-09-06T20:44:41Z",
              "ms": 1094503480607.9551
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 06:02 on Mon 6 Sep to 08:23 on Tue 7 Sep.",
          "fact": "2004-09-06T02:01:57Z → 2004-09-07T04:22:47Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:57–00:45 on the 5th, 23:57–00:45 on the 6th.",
          "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 5th and 48 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 19016 s"
        },
        {
          "step": "ruling",
          "text": "Janmāṣṭamī, Abu Dhabi, 2004: Monday 6 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "janmashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami."
          }
        ],
        "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.",
        "kaala": "nishita",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-09-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Janmāṣṭamī 2004 falls on Monday 6 September. Aṣṭamī runs from 06:02 on Mon 6 Sep to 08:23 on Tue 7 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ekadashi?on=2004-09-10",
      "festival": "ekadashi",
      "name": "Ajā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25532,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-09-09T13:12:16+04:00",
          "utc": "2004-09-09T09:12:16Z",
          "ms": 1094721136443.2334
        },
        "end": {
          "local": "2004-09-10T15:14:57+04:00",
          "utc": "2004-09-10T11:14:57Z",
          "ms": 1094814897334.7201
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-09T13:12:16+04:00",
          "utc": "2004-09-09T09:12:16Z",
          "ms": 1094721136443.2334
        },
        "end": {
          "local": "2004-09-10T15:14:57+04:00",
          "utc": "2004-09-10T11:14:57Z",
          "ms": 1094814897334.7201
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-09-09",
          "window": {
            "start": {
              "local": "2004-09-09T06:06:44+04:00",
              "utc": "2004-09-09T02:06:44Z",
              "ms": 1094695604228.124
            },
            "end": {
              "local": "2004-09-09T06:06:44+04:00",
              "utc": "2004-09-09T02:06:44Z",
              "ms": 1094695604228.124
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-09-10",
          "window": {
            "start": {
              "local": "2004-09-10T06:07:05+04:00",
              "utc": "2004-09-10T02:07:05Z",
              "ms": 1094782025203.3048
            },
            "end": {
              "local": "2004-09-10T06:07:05+04:00",
              "utc": "2004-09-10T02:07:05Z",
              "ms": 1094782025203.3048
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 13:12 on Thu 9 Sep to 15:15 on Fri 10 Sep.",
          "fact": "2004-09-09T09:12:16Z → 2004-09-10T11:14:57Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:07 on the 9th and 06:07 on the 10th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 25532 s"
        },
        {
          "step": "ruling",
          "text": "Ajā Ekādaśī, Abu Dhabi, 2004: Friday 10 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-09-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Ajā Ekādaśī 2004 falls on Friday 10 September. Ekādaśī runs from 13:12 on Thu 9 Sep to 15:15 on Fri 10 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-09-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-09-11",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2033,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-09-11T16:50:43+04:00",
          "utc": "2004-09-11T12:50:43Z",
          "ms": 1094907042729.2682
        },
        "end": {
          "local": "2004-09-12T17:55:11+04:00",
          "utc": "2004-09-12T13:55:11Z",
          "ms": 1094997310879.1123
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-11T16:50:43+04:00",
          "utc": "2004-09-11T12:50:43Z",
          "ms": 1094907042729.2682
        },
        "end": {
          "local": "2004-09-12T17:55:11+04:00",
          "utc": "2004-09-12T13:55:11Z",
          "ms": 1094997310879.1123
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-09-11",
          "window": {
            "start": {
              "local": "2004-09-11T18:30:07+04:00",
              "utc": "2004-09-11T14:30:07Z",
              "ms": 1094913006630.1079
            },
            "end": {
              "local": "2004-09-11T20:03:08+04:00",
              "utc": "2004-09-11T16:03:08Z",
              "ms": 1094918588024.236
            }
          },
          "covered_min": 93,
          "window_min": 93,
          "qualifies": true
        },
        {
          "local_date": "2004-09-12",
          "window": {
            "start": {
              "local": "2004-09-12T18:29:04+04:00",
              "utc": "2004-09-12T14:29:04Z",
              "ms": 1094999343522.8512
            },
            "end": {
              "local": "2004-09-12T20:02:16+04:00",
              "utc": "2004-09-12T16:02:16Z",
              "ms": 1095004936121.5762
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 16:51 on Sat 11 Sep to 17:55 on Sun 12 Sep.",
          "fact": "2004-09-11T12:50:43Z → 2004-09-12T13:55:11Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:30–20:03 on the 11th, 18:29–20:02 on the 12th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 93 of 93 minutes on the 11th and 0 of 93 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2033 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2004: Saturday 11 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-09-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2004 falls on Saturday 11 September. Trayodaśī runs from 16:51 on Sat 11 Sep to 17:55 on Sun 12 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-09-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/aghora-chaturdashi",
      "festival": "aghora-chaturdashi",
      "name": "Aghora Caturdaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-12",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 34,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2004-09-12T17:55:11+04:00",
          "utc": "2004-09-12T13:55:11Z",
          "ms": 1094997310879.1123
        },
        "end": {
          "local": "2004-09-13T18:27:26+04:00",
          "utc": "2004-09-13T14:27:26Z",
          "ms": 1095085645932.7986
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-12T17:55:11+04:00",
          "utc": "2004-09-12T13:55:11Z",
          "ms": 1094997310879.1123
        },
        "end": {
          "local": "2004-09-13T18:27:26+04:00",
          "utc": "2004-09-13T14:27:26Z",
          "ms": 1095085645932.7986
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-09-12",
          "window": {
            "start": {
              "local": "2004-09-12T18:29:04+04:00",
              "utc": "2004-09-12T14:29:04Z",
              "ms": 1094999343522.8512
            },
            "end": {
              "local": "2004-09-12T20:02:16+04:00",
              "utc": "2004-09-12T16:02:16Z",
              "ms": 1095004936121.5762
            }
          },
          "covered_min": 93,
          "window_min": 93,
          "qualifies": true
        },
        {
          "local_date": "2004-09-13",
          "window": {
            "start": {
              "local": "2004-09-13T18:28:00+04:00",
              "utc": "2004-09-13T14:28:00Z",
              "ms": 1095085680264.1981
            },
            "end": {
              "local": "2004-09-13T20:01:24+04:00",
              "utc": "2004-09-13T16:01:24Z",
              "ms": 1095091284088.1836
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 17:55 on Sun 12 Sep to 18:27 on Mon 13 Sep.",
          "fact": "2004-09-12T13:55:11Z → 2004-09-13T14:27:26Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:29–20:02 on the 12th, 18:28–20:01 on the 13th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 93 of 93 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 34 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Aghora Caturdaśī, Abu Dhabi, 2004: Sunday 12 September.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2004-09-12",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-12",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Aghora Caturdaśī 2004 falls on Sunday 12 September. Caturdaśī runs from 17:55 on Sun 12 Sep to 18:27 on Mon 13 Sep and covers all of pradoṣa that evening. It is 0 min 34 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/shivaratri?on=2004-09-12",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19609,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2004-09-12T17:55:11+04:00",
          "utc": "2004-09-12T13:55:11Z",
          "ms": 1094997310879.1123
        },
        "end": {
          "local": "2004-09-13T18:27:26+04:00",
          "utc": "2004-09-13T14:27:26Z",
          "ms": 1095085645932.7986
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-12T17:55:11+04:00",
          "utc": "2004-09-12T13:55:11Z",
          "ms": 1094997310879.1123
        },
        "end": {
          "local": "2004-09-13T18:27:26+04:00",
          "utc": "2004-09-13T14:27:26Z",
          "ms": 1095085645932.7986
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2004-09-12",
          "window": {
            "start": {
              "local": "2004-09-12T23:54:36+04:00",
              "utc": "2004-09-12T19:54:36Z",
              "ms": 1095018875768.0696
            },
            "end": {
              "local": "2004-09-13T00:42:36+04:00",
              "utc": "2004-09-12T20:42:36Z",
              "ms": 1095021755768.0696
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-09-13",
          "window": {
            "start": {
              "local": "2004-09-13T23:54:15+04:00",
              "utc": "2004-09-13T19:54:15Z",
              "ms": 1095105254604.1434
            },
            "end": {
              "local": "2004-09-14T00:42:15+04:00",
              "utc": "2004-09-13T20:42:15Z",
              "ms": 1095108134604.1434
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 17:55 on Sun 12 Sep to 18:27 on Mon 13 Sep.",
          "fact": "2004-09-12T13:55:11Z → 2004-09-13T14:27:26Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:55–00:43 on the 12th, 23:54–00:42 on the 13th.",
          "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 12th and 0 of 48 on the 13th.",
          "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 19609 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2004: Sunday 12 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": "2004-09-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2004 falls on Sunday 12 September. Caturdaśī runs from 17:55 on Sun 12 Sep to 18:27 on Mon 13 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/shivaratri?on=2004-09-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/rudra-vrata",
      "festival": "rudra-vrata",
      "name": "Rudra Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19306,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2004-09-14T18:29:03+04:00",
          "utc": "2004-09-14T14:29:03Z",
          "ms": 1095172142996.597
        },
        "end": {
          "local": "2004-09-15T18:03:07+04:00",
          "utc": "2004-09-15T14:03:07Z",
          "ms": 1095256987240.7566
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-14T18:29:03+04:00",
          "utc": "2004-09-14T14:29:03Z",
          "ms": 1095172142996.597
        },
        "end": {
          "local": "2004-09-15T18:03:07+04:00",
          "utc": "2004-09-15T14:03:07Z",
          "ms": 1095256987240.7566
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-09-14",
          "window": {
            "start": {
              "local": "2004-09-14T11:53:43+04:00",
              "utc": "2004-09-14T07:53:43Z",
              "ms": 1095148422910.7556
            },
            "end": {
              "local": "2004-09-14T12:41:43+04:00",
              "utc": "2004-09-14T08:41:43Z",
              "ms": 1095151302910.7556
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-09-15",
          "window": {
            "start": {
              "local": "2004-09-15T11:53:22+04:00",
              "utc": "2004-09-15T07:53:22Z",
              "ms": 1095234801636.7876
            },
            "end": {
              "local": "2004-09-15T12:41:22+04:00",
              "utc": "2004-09-15T08:41:22Z",
              "ms": 1095237681636.7876
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 18:29 on Tue 14 Sep to 18:03 on Wed 15 Sep.",
          "fact": "2004-09-14T14:29:03Z → 2004-09-15T14:03:07Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 14th, 11:53–12:41 on the 15th.",
          "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 14th and 48 of 48 on the 15th.",
          "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 19306 s"
        },
        {
          "step": "ruling",
          "text": "Rudra Vrata, Abu Dhabi, 2004: Wednesday 15 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rudra-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Rudra vrata (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-09-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Rudra Vrata 2004 falls on Wednesday 15 September. Pratipadā runs from 18:29 on Tue 14 Sep to 18:03 on Wed 15 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/haritalika-vrata",
      "festival": "haritalika-vrata",
      "name": "Haritālikā Vrata",
      "everyday": "Hartalika Teej",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12163,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2004-09-16T17:13:21+04:00",
          "utc": "2004-09-16T13:13:21Z",
          "ms": 1095340400515.9678
        },
        "end": {
          "local": "2004-09-17T16:03:22+04:00",
          "utc": "2004-09-17T12:03:22Z",
          "ms": 1095422602061.2795
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-16T17:13:21+04:00",
          "utc": "2004-09-16T13:13:21Z",
          "ms": 1095340400515.9678
        },
        "end": {
          "local": "2004-09-17T16:03:22+04:00",
          "utc": "2004-09-17T12:03:22Z",
          "ms": 1095422602061.2795
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-09-16",
          "window": {
            "start": {
              "local": "2004-09-16T11:53:00+04:00",
              "utc": "2004-09-16T07:53:00Z",
              "ms": 1095321180333.0464
            },
            "end": {
              "local": "2004-09-16T12:41:00+04:00",
              "utc": "2004-09-16T08:41:00Z",
              "ms": 1095324060333.0464
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-09-17",
          "window": {
            "start": {
              "local": "2004-09-17T11:52:39+04:00",
              "utc": "2004-09-17T07:52:39Z",
              "ms": 1095407559015.8217
            },
            "end": {
              "local": "2004-09-17T12:40:39+04:00",
              "utc": "2004-09-17T08:40:39Z",
              "ms": 1095410439015.8217
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 17:13 on Thu 16 Sep to 16:03 on Fri 17 Sep.",
          "fact": "2004-09-16T13:13:21Z → 2004-09-17T12:03:22Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 16th, 11:53–12:41 on the 17th.",
          "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 16th and 48 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 12163 s"
        },
        {
          "step": "ruling",
          "text": "Haritālikā Vrata, Abu Dhabi, 2004: Friday 17 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "haritalika-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-09-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Haritālikā Vrata (Hartalika Teej) 2004 falls on Friday 17 September. Tṛtīyā runs from 17:13 on Thu 16 Sep to 16:03 on Fri 17 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ganesha-chaturthi",
      "festival": "ganesha-chaturthi",
      "name": "Gaṇeśa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6968,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-09-17T16:03:22+04:00",
          "utc": "2004-09-17T12:03:22Z",
          "ms": 1095422602061.2795
        },
        "end": {
          "local": "2004-09-18T14:36:25+04:00",
          "utc": "2004-09-18T10:36:25Z",
          "ms": 1095503785338.8931
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-17T16:03:22+04:00",
          "utc": "2004-09-17T12:03:22Z",
          "ms": 1095422602061.2795
        },
        "end": {
          "local": "2004-09-18T14:36:25+04:00",
          "utc": "2004-09-18T10:36:25Z",
          "ms": 1095503785338.8931
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-09-17",
          "window": {
            "start": {
              "local": "2004-09-17T11:52:39+04:00",
              "utc": "2004-09-17T07:52:39Z",
              "ms": 1095407559015.8217
            },
            "end": {
              "local": "2004-09-17T12:40:39+04:00",
              "utc": "2004-09-17T08:40:39Z",
              "ms": 1095410439015.8217
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-09-18",
          "window": {
            "start": {
              "local": "2004-09-18T11:52:18+04:00",
              "utc": "2004-09-18T07:52:18Z",
              "ms": 1095493937701.6819
            },
            "end": {
              "local": "2004-09-18T12:40:18+04:00",
              "utc": "2004-09-18T08:40:18Z",
              "ms": 1095496817701.6819
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 16:03 on Fri 17 Sep to 14:36 on Sat 18 Sep.",
          "fact": "2004-09-17T12:03:22Z → 2004-09-18T10:36:25Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 17th, 11:52–12:40 on the 18th.",
          "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 17th and 48 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 6968 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Caturthī, Abu Dhabi, 2004: Saturday 18 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ganesha-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-09-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Gaṇeśa Caturthī 2004 falls on Saturday 18 September. Caturthī runs from 16:03 on Fri 17 Sep to 14:36 on Sat 18 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/rishi-panchami",
      "festival": "rishi-panchami",
      "name": "Ṛṣi Pañcamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 914,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2004-09-18T14:36:25+04:00",
          "utc": "2004-09-18T10:36:25Z",
          "ms": 1095503785338.8931
        },
        "end": {
          "local": "2004-09-19T12:55:10+04:00",
          "utc": "2004-09-19T08:55:10Z",
          "ms": 1095584110469.2812
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-18T14:36:25+04:00",
          "utc": "2004-09-18T10:36:25Z",
          "ms": 1095503785338.8931
        },
        "end": {
          "local": "2004-09-19T12:55:10+04:00",
          "utc": "2004-09-19T08:55:10Z",
          "ms": 1095584110469.2812
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-09-18",
          "window": {
            "start": {
              "local": "2004-09-18T11:52:18+04:00",
              "utc": "2004-09-18T07:52:18Z",
              "ms": 1095493937701.6819
            },
            "end": {
              "local": "2004-09-18T12:40:18+04:00",
              "utc": "2004-09-18T08:40:18Z",
              "ms": 1095496817701.6819
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-09-19",
          "window": {
            "start": {
              "local": "2004-09-19T11:51:56+04:00",
              "utc": "2004-09-19T07:51:56Z",
              "ms": 1095580316407.6807
            },
            "end": {
              "local": "2004-09-19T12:39:56+04:00",
              "utc": "2004-09-19T08:39:56Z",
              "ms": 1095583196407.6807
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 14:36 on Sat 18 Sep to 12:55 on Sun 19 Sep.",
          "fact": "2004-09-18T10:36:25Z → 2004-09-19T08:55:10Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 18th, 11:52–12:40 on the 19th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 914 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Pañcamī, Abu Dhabi, 2004: Sunday 19 September.",
          "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": "2004-09-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Ṛṣi Pañcamī 2004 falls on Sunday 19 September. Pañcamī runs from 14:36 on Sat 18 Sep to 12:55 on Sun 19 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/surya-shashthi-bhadrapada",
      "festival": "surya-shashthi-bhadrapada",
      "name": "Sūrya Ṣaṣṭhī (Bhādrapada)",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 914,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2004-09-19T12:55:10+04:00",
          "utc": "2004-09-19T08:55:10Z",
          "ms": 1095584110469.2812
        },
        "end": {
          "local": "2004-09-20T11:01:50+04:00",
          "utc": "2004-09-20T07:01:50Z",
          "ms": 1095663710082.8033
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-19T12:55:10+04:00",
          "utc": "2004-09-19T08:55:10Z",
          "ms": 1095584110469.2812
        },
        "end": {
          "local": "2004-09-20T11:01:50+04:00",
          "utc": "2004-09-20T07:01:50Z",
          "ms": 1095663710082.8033
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-09-19",
          "window": {
            "start": {
              "local": "2004-09-19T11:51:56+04:00",
              "utc": "2004-09-19T07:51:56Z",
              "ms": 1095580316407.6807
            },
            "end": {
              "local": "2004-09-19T12:39:56+04:00",
              "utc": "2004-09-19T08:39:56Z",
              "ms": 1095583196407.6807
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-09-20",
          "window": {
            "start": {
              "local": "2004-09-20T11:51:35+04:00",
              "utc": "2004-09-20T07:51:35Z",
              "ms": 1095666695151.5469
            },
            "end": {
              "local": "2004-09-20T12:39:35+04:00",
              "utc": "2004-09-20T08:39:35Z",
              "ms": 1095669575151.5469
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 12:55 on Sun 19 Sep to 11:02 on Mon 20 Sep.",
          "fact": "2004-09-19T08:55:10Z → 2004-09-20T07:01:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 19th, 11:52–12:40 on the 20th.",
          "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 19th and 0 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: paraviddha → second-day · margin 914 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Abu Dhabi, 2004: Monday 20 September.",
          "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": "2004-09-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-19",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Sūrya Ṣaṣṭhī (Bhādrapada) 2004 falls on Monday 20 September. Ṣaṣṭhī runs from 12:55 on Sun 19 Sep to 11:02 on Mon 20 Sep, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/muktabharana-vrata",
      "festival": "muktabharana-vrata",
      "name": "Muktābharaṇa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2985,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2004-09-20T11:01:50+04:00",
          "utc": "2004-09-20T07:01:50Z",
          "ms": 1095663710082.8033
        },
        "end": {
          "local": "2004-09-21T08:58:25+04:00",
          "utc": "2004-09-21T04:58:25Z",
          "ms": 1095742704979.1779
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-20T11:01:50+04:00",
          "utc": "2004-09-20T07:01:50Z",
          "ms": 1095663710082.8033
        },
        "end": {
          "local": "2004-09-21T08:58:25+04:00",
          "utc": "2004-09-21T04:58:25Z",
          "ms": 1095742704979.1779
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-09-20",
          "window": {
            "start": {
              "local": "2004-09-20T11:51:35+04:00",
              "utc": "2004-09-20T07:51:35Z",
              "ms": 1095666695151.5469
            },
            "end": {
              "local": "2004-09-20T12:39:35+04:00",
              "utc": "2004-09-20T08:39:35Z",
              "ms": 1095669575151.5469
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-09-21",
          "window": {
            "start": {
              "local": "2004-09-21T11:51:14+04:00",
              "utc": "2004-09-21T07:51:14Z",
              "ms": 1095753073951.8477
            },
            "end": {
              "local": "2004-09-21T12:39:14+04:00",
              "utc": "2004-09-21T08:39:14Z",
              "ms": 1095755953951.8477
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 11:02 on Mon 20 Sep to 08:58 on Tue 21 Sep.",
          "fact": "2004-09-20T07:01:50Z → 2004-09-21T04:58:25Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 20th, 11:51–12:39 on the 21st.",
          "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 20th and 0 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 2985 s"
        },
        {
          "step": "ruling",
          "text": "Muktābharaṇa Vrata, Abu Dhabi, 2004: Monday 20 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "muktabharana-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-09-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-20",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Muktābharaṇa Vrata 2004 falls on Monday 20 September. Saptamī runs from 11:02 on Mon 20 Sep to 08:58 on Tue 21 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/radhashtami",
      "festival": "radhashtami",
      "name": "Rādhāṣṭamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10369,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2004-09-21T08:58:25+04:00",
          "utc": "2004-09-21T04:58:25Z",
          "ms": 1095742704979.1779
        },
        "end": {
          "local": "2004-09-22T06:47:05+04:00",
          "utc": "2004-09-22T02:47:05Z",
          "ms": 1095821224834.5157
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-21T08:58:25+04:00",
          "utc": "2004-09-21T04:58:25Z",
          "ms": 1095742704979.1779
        },
        "end": {
          "local": "2004-09-22T06:47:05+04:00",
          "utc": "2004-09-22T02:47:05Z",
          "ms": 1095821224834.5157
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-09-21",
          "window": {
            "start": {
              "local": "2004-09-21T11:51:14+04:00",
              "utc": "2004-09-21T07:51:14Z",
              "ms": 1095753073951.8477
            },
            "end": {
              "local": "2004-09-21T12:39:14+04:00",
              "utc": "2004-09-21T08:39:14Z",
              "ms": 1095755953951.8477
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-09-22",
          "window": {
            "start": {
              "local": "2004-09-22T11:50:53+04:00",
              "utc": "2004-09-22T07:50:53Z",
              "ms": 1095839452828.1064
            },
            "end": {
              "local": "2004-09-22T12:38:53+04:00",
              "utc": "2004-09-22T08:38:53Z",
              "ms": 1095842332828.1064
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 08:58 on Tue 21 Sep to 06:47 on Wed 22 Sep.",
          "fact": "2004-09-21T04:58:25Z → 2004-09-22T02:47:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 21st, 11:51–12:39 on the 22nd.",
          "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 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: unstated → only-day · margin 10369 s"
        },
        {
          "step": "ruling",
          "text": "Rādhāṣṭamī, Abu Dhabi, 2004: Tuesday 21 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "radhashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-09-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Rādhāṣṭamī 2004 falls on Tuesday 21 September. Aṣṭamī runs from 08:58 on Tue 21 Sep to 06:47 on Wed 22 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ekadashi?on=2004-09-24",
      "festival": "ekadashi",
      "name": "Parivartanī Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14399,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-09-24T02:12:01+04:00",
          "utc": "2004-09-23T22:12:01Z",
          "ms": 1095977521355.1074
        },
        "end": {
          "local": "2004-09-24T23:56:01+04:00",
          "utc": "2004-09-24T19:56:01Z",
          "ms": 1096055760806.793
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-24T02:12:01+04:00",
          "utc": "2004-09-23T22:12:01Z",
          "ms": 1095977521355.1074
        },
        "end": {
          "local": "2004-09-24T23:56:01+04:00",
          "utc": "2004-09-24T19:56:01Z",
          "ms": 1096055760806.793
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-09-24",
          "window": {
            "start": {
              "local": "2004-09-24T06:12:01+04:00",
              "utc": "2004-09-24T02:12:01Z",
              "ms": 1095991920635.6642
            },
            "end": {
              "local": "2004-09-24T06:12:01+04:00",
              "utc": "2004-09-24T02:12:01Z",
              "ms": 1095991920635.6642
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-09-25",
          "window": {
            "start": {
              "local": "2004-09-25T06:12:22+04:00",
              "utc": "2004-09-25T02:12:22Z",
              "ms": 1096078342301.3202
            },
            "end": {
              "local": "2004-09-25T06:12:22+04:00",
              "utc": "2004-09-25T02:12:22Z",
              "ms": 1096078342301.3202
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:12 on Fri 24 Sep to 23:56 on Fri 24 Sep.",
          "fact": "2004-09-23T22:12:01Z → 2004-09-24T19:56:01Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:12 on the 24th and 06:12 on the 25th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 24th and is not on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 14399 s"
        },
        {
          "step": "ruling",
          "text": "Parivartanī Ekādaśī, Abu Dhabi, 2004: Friday 24 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-09-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Parivartanī Ekādaśī 2004 falls on Friday 24 September. Ekādaśī runs from 02:12 on Fri 24 Sep to 23:56 on Fri 24 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-09-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/vamana-jayanti",
      "festival": "vamana-jayanti",
      "name": "Vāmana Jayantī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32988,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2004-09-24T23:56:01+04:00",
          "utc": "2004-09-24T19:56:01Z",
          "ms": 1096055760806.793
        },
        "end": {
          "local": "2004-09-25T21:47:39+04:00",
          "utc": "2004-09-25T17:47:39Z",
          "ms": 1096134458582.4086
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-24T23:56:01+04:00",
          "utc": "2004-09-24T19:56:01Z",
          "ms": 1096055760806.793
        },
        "end": {
          "local": "2004-09-25T21:47:39+04:00",
          "utc": "2004-09-25T17:47:39Z",
          "ms": 1096134458582.4086
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-09-24",
          "window": {
            "start": {
              "local": "2004-09-24T11:50:11+04:00",
              "utc": "2004-09-24T07:50:11Z",
              "ms": 1096012210891.7395
            },
            "end": {
              "local": "2004-09-24T12:38:11+04:00",
              "utc": "2004-09-24T08:38:11Z",
              "ms": 1096015090891.7395
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-09-25",
          "window": {
            "start": {
              "local": "2004-09-25T11:49:50+04:00",
              "utc": "2004-09-25T07:49:50Z",
              "ms": 1096098590123.2665
            },
            "end": {
              "local": "2004-09-25T12:37:50+04:00",
              "utc": "2004-09-25T08:37:50Z",
              "ms": 1096101470123.2665
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 23:56 on Fri 24 Sep to 21:48 on Sat 25 Sep.",
          "fact": "2004-09-24T19:56:01Z → 2004-09-25T17:47:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 24th, 11:50–12:38 on the 25th.",
          "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 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: unstated → only-day · margin 32988 s"
        },
        {
          "step": "ruling",
          "text": "Vāmana Jayantī, Abu Dhabi, 2004: Saturday 25 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vamana-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-09-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vāmana Jayantī 2004 falls on Saturday 25 September. Dvādaśī runs from 23:56 on Fri 24 Sep to 21:48 on Sat 25 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-09-26",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-26",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 164,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-09-25T21:47:39+04:00",
          "utc": "2004-09-25T17:47:39Z",
          "ms": 1096134458582.4086
        },
        "end": {
          "local": "2004-09-26T19:52:50+04:00",
          "utc": "2004-09-26T15:52:50Z",
          "ms": 1096213969924.9722
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-25T21:47:39+04:00",
          "utc": "2004-09-25T17:47:39Z",
          "ms": 1096134458582.4086
        },
        "end": {
          "local": "2004-09-26T19:52:50+04:00",
          "utc": "2004-09-26T15:52:50Z",
          "ms": 1096213969924.9722
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-09-25",
          "window": {
            "start": {
              "local": "2004-09-25T18:15:18+04:00",
              "utc": "2004-09-25T14:15:18Z",
              "ms": 1096121717945.2128
            },
            "end": {
              "local": "2004-09-25T19:50:57+04:00",
              "utc": "2004-09-25T15:50:57Z",
              "ms": 1096127457434.84
            }
          },
          "covered_min": 0,
          "window_min": 96,
          "qualifies": false
        },
        {
          "local_date": "2004-09-26",
          "window": {
            "start": {
              "local": "2004-09-26T18:14:15+04:00",
              "utc": "2004-09-26T14:14:15Z",
              "ms": 1096208054920.2969
            },
            "end": {
              "local": "2004-09-26T19:50:06+04:00",
              "utc": "2004-09-26T15:50:06Z",
              "ms": 1096213805744.6248
            }
          },
          "covered_min": 96,
          "window_min": 96,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 21:48 on Sat 25 Sep to 19:53 on Sun 26 Sep.",
          "fact": "2004-09-25T17:47:39Z → 2004-09-26T15:52:50Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–19:51 on the 25th, 18:14–19:50 on the 26th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 96 minutes on the 25th and 96 of 96 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 164 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2004: Sunday 26 September.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-09-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2004 falls on Sunday 26 September. Trayodaśī runs from 21:48 on Sat 25 Sep to 19:53 on Sun 26 Sep and covers all of pradoṣa that evening. It is 2 min 44 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-09-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/ananta-chaturdashi",
      "festival": "ananta-chaturdashi",
      "name": "Ananta Caturdaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-09-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34849,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2004-09-26T19:52:50+04:00",
          "utc": "2004-09-26T15:52:50Z",
          "ms": 1096213969924.9722
        },
        "end": {
          "local": "2004-09-27T18:17:56+04:00",
          "utc": "2004-09-27T14:17:56Z",
          "ms": 1096294675982.0908
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-09-26T19:52:50+04:00",
          "utc": "2004-09-26T15:52:50Z",
          "ms": 1096213969924.9722
        },
        "end": {
          "local": "2004-09-27T18:17:56+04:00",
          "utc": "2004-09-27T14:17:56Z",
          "ms": 1096294675982.0908
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2004-09-26",
          "window": {
            "start": {
              "local": "2004-09-26T06:12:44+04:00",
              "utc": "2004-09-26T02:12:44Z",
              "ms": 1096164764117.4169
            },
            "end": {
              "local": "2004-09-26T08:37:02+04:00",
              "utc": "2004-09-26T04:37:02Z",
              "ms": 1096173422277.9929
            }
          },
          "covered_min": 0,
          "window_min": 144,
          "qualifies": false
        },
        {
          "local_date": "2004-09-27",
          "window": {
            "start": {
              "local": "2004-09-27T06:13:06+04:00",
              "utc": "2004-09-27T02:13:06Z",
              "ms": 1096251186102.756
            },
            "end": {
              "local": "2004-09-27T08:37:07+04:00",
              "utc": "2004-09-27T04:37:07Z",
              "ms": 1096259827302.6658
            }
          },
          "covered_min": 144,
          "window_min": 144,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 19:53 on Sun 26 Sep to 18:18 on Mon 27 Sep.",
          "fact": "2004-09-26T15:52:50Z → 2004-09-27T14:17:56Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:13–08:37 on the 26th, 06:13–08:37 on the 27th.",
          "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 144 minutes on the 26th and 144 of 144 on the 27th.",
          "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 34849 s"
        },
        {
          "step": "ruling",
          "text": "Ananta Caturdaśī, Abu Dhabi, 2004: Monday 27 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ananta-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)."
          }
        ],
        "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.",
        "kaala": "udaya-3",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-09-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-09-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Ananta Caturdaśī 2004 falls on Monday 27 September. Caturdaśī runs from 19:53 on Sun 26 Sep to 18:18 on Mon 27 Sep and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-10-01",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-10-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7906,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-10-01T17:10:53+04:00",
          "utc": "2004-10-01T13:10:53Z",
          "ms": 1096636252787.529
        },
        "end": {
          "local": "2004-10-02T18:27:08+04:00",
          "utc": "2004-10-02T14:27:08Z",
          "ms": 1096727227761.4763
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-10-01T17:10:53+04:00",
          "utc": "2004-10-01T13:10:53Z",
          "ms": 1096636252787.529
        },
        "end": {
          "local": "2004-10-02T18:27:08+04:00",
          "utc": "2004-10-02T14:27:08Z",
          "ms": 1096727227761.4763
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-10-01",
          "window": {
            "start": {
              "local": "2004-10-01T20:00:58+04:00",
              "utc": "2004-10-01T16:00:58Z",
              "ms": 1096646457555.089
            },
            "end": {
              "local": "2004-10-01T20:00:58+04:00",
              "utc": "2004-10-01T16:00:58Z",
              "ms": 1096646457555.089
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-10-02",
          "window": {
            "start": {
              "local": "2004-10-02T20:38:54+04:00",
              "utc": "2004-10-02T16:38:54Z",
              "ms": 1096735133699.5411
            },
            "end": {
              "local": "2004-10-02T20:38:54+04:00",
              "utc": "2004-10-02T16:38:54Z",
              "ms": 1096735133699.5411
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:11 on Fri 1 Oct to 18:27 on Sat 2 Oct.",
          "fact": "2004-10-01T13:10:53Z → 2004-10-02T14:27:08Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:01 on the 1st and 20:39 on the 2nd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 1st and is not on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7906 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2004: Friday 1 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": "2004-10-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-10-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2004 falls on Friday 1 October. Caturthī runs from 17:11 on Fri 1 Oct to 18:27 on Sat 2 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-10-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/chandra-shashthi",
      "festival": "chandra-shashthi",
      "name": "Candra Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-10-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1468,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2004-10-03T20:16:36+04:00",
          "utc": "2004-10-03T16:16:36Z",
          "ms": 1096820196465.6383
        },
        "end": {
          "local": "2004-10-04T22:30:48+04:00",
          "utc": "2004-10-04T18:30:48Z",
          "ms": 1096914647680.346
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-10-03T20:16:36+04:00",
          "utc": "2004-10-03T16:16:36Z",
          "ms": 1096820196465.6383
        },
        "end": {
          "local": "2004-10-04T22:30:48+04:00",
          "utc": "2004-10-04T18:30:48Z",
          "ms": 1096914647680.346
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-10-03",
          "window": {
            "start": {
              "local": "2004-10-03T21:20:32+04:00",
              "utc": "2004-10-03T17:20:32Z",
              "ms": 1096824031901.061
            },
            "end": {
              "local": "2004-10-03T21:20:32+04:00",
              "utc": "2004-10-03T17:20:32Z",
              "ms": 1096824031901.061
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-10-04",
          "window": {
            "start": {
              "local": "2004-10-04T22:06:19+04:00",
              "utc": "2004-10-04T18:06:19Z",
              "ms": 1096913179334.6727
            },
            "end": {
              "local": "2004-10-04T22:06:19+04:00",
              "utc": "2004-10-04T18:06:19Z",
              "ms": 1096913179334.6727
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "purvaviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 20:17 on Sun 3 Oct to 22:31 on Mon 4 Oct.",
          "fact": "2004-10-03T16:16:36Z → 2004-10-04T18:30:48Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:21 on the 3rd and 22:06 on the 4th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be current at moonrise. It is on the 3rd and is on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Both moonrises qualify. Pūrvaviddhā: the first is taken.",
          "fact": "priority: purvaviddha → purvaviddha · margin 1468 s"
        },
        {
          "step": "ruling",
          "text": "Candra Ṣaṣṭhī, Abu Dhabi, 2004: Sunday 3 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "chandra-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)."
          }
        ],
        "kaala": "moonrise",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-10-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-10-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Candra Ṣaṣṭhī 2004 falls on Sunday 3 October. Ṣaṣṭhī runs from 20:17 on Sun 3 Oct to 22:31 on Mon 4 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/jitashtami",
      "festival": "jitashtami",
      "name": "Jitāṣṭamī",
      "everyday": "Jitiya",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-10-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18916,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2004-10-06T00:57:49+04:00",
          "utc": "2004-10-05T20:57:49Z",
          "ms": 1097009868638.5076
        },
        "end": {
          "local": "2004-10-07T03:23:50+04:00",
          "utc": "2004-10-06T23:23:50Z",
          "ms": 1097105030247.316
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-10-06T00:57:49+04:00",
          "utc": "2004-10-05T20:57:49Z",
          "ms": 1097009868638.5076
        },
        "end": {
          "local": "2004-10-07T03:23:50+04:00",
          "utc": "2004-10-06T23:23:50Z",
          "ms": 1097105030247.316
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-10-05",
          "window": {
            "start": {
              "local": "2004-10-05T18:05:00+04:00",
              "utc": "2004-10-05T14:05:00Z",
              "ms": 1096985100496.9694
            },
            "end": {
              "local": "2004-10-05T19:42:33+04:00",
              "utc": "2004-10-05T15:42:33Z",
              "ms": 1096990953054.2329
            }
          },
          "covered_min": 0,
          "window_min": 98,
          "qualifies": false
        },
        {
          "local_date": "2004-10-06",
          "window": {
            "start": {
              "local": "2004-10-06T18:04:01+04:00",
              "utc": "2004-10-06T14:04:01Z",
              "ms": 1097071440840.0287
            },
            "end": {
              "local": "2004-10-06T19:41:45+04:00",
              "utc": "2004-10-06T15:41:45Z",
              "ms": 1097077304640.7615
            }
          },
          "covered_min": 98,
          "window_min": 98,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 00:58 on Wed 6 Oct to 03:24 on Thu 7 Oct.",
          "fact": "2004-10-05T20:57:49Z → 2004-10-06T23:23:50Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:43 on the 5th, 18:04–19:42 on the 6th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 98 minutes on the 5th and 98 of 98 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 18916 s"
        },
        {
          "step": "ruling",
          "text": "Jitāṣṭamī, Abu Dhabi, 2004: Wednesday 6 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "jitashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-10-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-10-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Jitāṣṭamī (Jitiya) 2004 falls on Wednesday 6 October. Aṣṭamī runs from 00:58 on Wed 6 Oct to 03:24 on Thu 7 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/mahalakshmi-vrata-samapana",
      "festival": "mahalakshmi-vrata-samapana",
      "name": "Mahālakṣmī Vrata Samāpana",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-10-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7301,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2004-10-06T00:57:49+04:00",
          "utc": "2004-10-05T20:57:49Z",
          "ms": 1097009868638.5076
        },
        "end": {
          "local": "2004-10-07T03:23:50+04:00",
          "utc": "2004-10-06T23:23:50Z",
          "ms": 1097105030247.316
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-10-06T00:57:49+04:00",
          "utc": "2004-10-05T20:57:49Z",
          "ms": 1097009868638.5076
        },
        "end": {
          "local": "2004-10-07T03:23:50+04:00",
          "utc": "2004-10-06T23:23:50Z",
          "ms": 1097105030247.316
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-10-05",
          "window": {
            "start": {
              "local": "2004-10-05T22:56:08+04:00",
              "utc": "2004-10-05T18:56:08Z",
              "ms": 1097002568120.4143
            },
            "end": {
              "local": "2004-10-05T22:56:08+04:00",
              "utc": "2004-10-05T18:56:08Z",
              "ms": 1097002568120.4143
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-10-06",
          "window": {
            "start": {
              "local": "2004-10-06T23:49:12+04:00",
              "utc": "2004-10-06T19:49:12Z",
              "ms": 1097092152350.465
            },
            "end": {
              "local": "2004-10-06T23:49:12+04:00",
              "utc": "2004-10-06T19:49:12Z",
              "ms": 1097092152350.465
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 00:58 on Wed 6 Oct to 03:24 on Thu 7 Oct.",
          "fact": "2004-10-05T20:57:49Z → 2004-10-06T23:23:50Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:56 on the 5th and 23:49 on the 6th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is not on the 5th and is on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7301 s"
        },
        {
          "step": "ruling",
          "text": "Mahālakṣmī Vrata Samāpana, Abu Dhabi, 2004: Wednesday 6 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahalakshmi-vrata-samapana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-10-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-10-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Mahālakṣmī Vrata Samāpana 2004 falls on Wednesday 6 October. Aṣṭamī runs from 00:58 on Wed 6 Oct to 03:24 on Thu 7 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ekadashi?on=2004-10-10",
      "festival": "ekadashi",
      "name": "Indirā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-10-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3723,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-10-09T07:19:53+04:00",
          "utc": "2004-10-09T03:19:53Z",
          "ms": 1097291992712.2081
        },
        "end": {
          "local": "2004-10-10T08:29:53+04:00",
          "utc": "2004-10-10T04:29:53Z",
          "ms": 1097382592533.269
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-10-09T07:19:53+04:00",
          "utc": "2004-10-09T03:19:53Z",
          "ms": 1097291992712.2081
        },
        "end": {
          "local": "2004-10-10T08:29:53+04:00",
          "utc": "2004-10-10T04:29:53Z",
          "ms": 1097382592533.269
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-10-09",
          "window": {
            "start": {
              "local": "2004-10-09T06:17:50+04:00",
              "utc": "2004-10-09T02:17:50Z",
              "ms": 1097288269745.4105
            },
            "end": {
              "local": "2004-10-09T06:17:50+04:00",
              "utc": "2004-10-09T02:17:50Z",
              "ms": 1097288269745.4105
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-10-10",
          "window": {
            "start": {
              "local": "2004-10-10T06:18:15+04:00",
              "utc": "2004-10-10T02:18:15Z",
              "ms": 1097374695498.092
            },
            "end": {
              "local": "2004-10-10T06:18:15+04:00",
              "utc": "2004-10-10T02:18:15Z",
              "ms": 1097374695498.092
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 07:20 on Sat 9 Oct to 08:30 on Sun 10 Oct.",
          "fact": "2004-10-09T03:19:53Z → 2004-10-10T04:29:53Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:18 on the 9th and 06:18 on the 10th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 3723 s"
        },
        {
          "step": "ruling",
          "text": "Indirā Ekādaśī, Abu Dhabi, 2004: Sunday 10 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": "2004-10-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-10-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Indirā Ekādaśī 2004 falls on Sunday 10 October. Ekādaśī runs from 07:20 on Sat 9 Oct to 08:30 on Sun 10 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-10-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-10-11",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-10-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32302,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-10-11T09:00:49+04:00",
          "utc": "2004-10-11T05:00:49Z",
          "ms": 1097470848856.4012
        },
        "end": {
          "local": "2004-10-12T08:52:10+04:00",
          "utc": "2004-10-12T04:52:10Z",
          "ms": 1097556730343.3353
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-10-11T09:00:49+04:00",
          "utc": "2004-10-11T05:00:49Z",
          "ms": 1097470848856.4012
        },
        "end": {
          "local": "2004-10-12T08:52:10+04:00",
          "utc": "2004-10-12T04:52:10Z",
          "ms": 1097556730343.3353
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-10-11",
          "window": {
            "start": {
              "local": "2004-10-11T17:59:10+04:00",
              "utc": "2004-10-11T13:59:10Z",
              "ms": 1097503150449.17
            },
            "end": {
              "local": "2004-10-11T19:37:50+04:00",
              "utc": "2004-10-11T15:37:50Z",
              "ms": 1097509070143.436
            }
          },
          "covered_min": 99,
          "window_min": 99,
          "qualifies": true
        },
        {
          "local_date": "2004-10-12",
          "window": {
            "start": {
              "local": "2004-10-12T17:58:14+04:00",
              "utc": "2004-10-12T13:58:14Z",
              "ms": 1097589494132.4141
            },
            "end": {
              "local": "2004-10-12T19:37:05+04:00",
              "utc": "2004-10-12T15:37:05Z",
              "ms": 1097595424925.0459
            }
          },
          "covered_min": 0,
          "window_min": 99,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:01 on Mon 11 Oct to 08:52 on Tue 12 Oct.",
          "fact": "2004-10-11T05:00:49Z → 2004-10-12T04:52:10Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:38 on the 11th, 17:58–19:37 on the 12th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 99 of 99 minutes on the 11th and 0 of 99 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 32302 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2004: Monday 11 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": "2004-10-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-10-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2004 falls on Monday 11 October. Trayodaśī runs from 09:01 on Mon 11 Oct to 08:52 on Tue 12 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-10-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/shivaratri?on=2004-10-12",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-10-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27212,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2004-10-12T08:52:10+04:00",
          "utc": "2004-10-12T04:52:10Z",
          "ms": 1097556730343.3353
        },
        "end": {
          "local": "2004-10-13T08:06:27+04:00",
          "utc": "2004-10-13T04:06:27Z",
          "ms": 1097640387007.7507
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-10-12T08:52:10+04:00",
          "utc": "2004-10-12T04:52:10Z",
          "ms": 1097556730343.3353
        },
        "end": {
          "local": "2004-10-13T08:06:27+04:00",
          "utc": "2004-10-13T04:06:27Z",
          "ms": 1097640387007.7507
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2004-10-11",
          "window": {
            "start": {
              "local": "2004-10-11T23:45:09+04:00",
              "utc": "2004-10-11T19:45:09Z",
              "ms": 1097523909302.6675
            },
            "end": {
              "local": "2004-10-12T00:33:09+04:00",
              "utc": "2004-10-11T20:33:09Z",
              "ms": 1097526789302.6675
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-10-12",
          "window": {
            "start": {
              "local": "2004-10-12T23:44:55+04:00",
              "utc": "2004-10-12T19:44:55Z",
              "ms": 1097610294604.7833
            },
            "end": {
              "local": "2004-10-13T00:32:55+04:00",
              "utc": "2004-10-12T20:32:55Z",
              "ms": 1097613174604.7833
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 08:52 on Tue 12 Oct to 08:06 on Wed 13 Oct.",
          "fact": "2004-10-12T04:52:10Z → 2004-10-13T04:06:27Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 11th, 23:45–00:33 on the 12th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.",
          "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 27212 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2004: Tuesday 12 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": "2004-10-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-10-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2004 falls on Tuesday 12 October. Caturdaśī runs from 08:52 on Tue 12 Oct to 08:06 on Wed 13 Oct and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/shivaratri?on=2004-10-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/mahalaya-amavasya",
      "festival": "mahalaya-amavasya",
      "name": "Mahālaya Amāvāsyā",
      "everyday": "Sarvapitṛ Amāvāsyā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-10-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18706,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2004-10-13T08:06:27+04:00",
          "utc": "2004-10-13T04:06:27Z",
          "ms": 1097640387007.7507
        },
        "end": {
          "local": "2004-10-14T06:48:16+04:00",
          "utc": "2004-10-14T02:48:16Z",
          "ms": 1097722095693.5065
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-10-13T08:06:27+04:00",
          "utc": "2004-10-13T04:06:27Z",
          "ms": 1097640387007.7507
        },
        "end": {
          "local": "2004-10-14T06:48:16+04:00",
          "utc": "2004-10-14T02:48:16Z",
          "ms": 1097722095693.5065
        }
      },
      "kaala": "aparahna",
      "days": [
        {
          "local_date": "2004-10-13",
          "window": {
            "start": {
              "local": "2004-10-13T13:18:13+04:00",
              "utc": "2004-10-13T09:18:13Z",
              "ms": 1097659093107.635
            },
            "end": {
              "local": "2004-10-13T15:37:46+04:00",
              "utc": "2004-10-13T11:37:46Z",
              "ms": 1097667465784.4624
            }
          },
          "covered_min": 140,
          "window_min": 140,
          "qualifies": true
        },
        {
          "local_date": "2004-10-14",
          "window": {
            "start": {
              "local": "2004-10-14T13:17:51+04:00",
              "utc": "2004-10-14T09:17:51Z",
              "ms": 1097745471036.2996
            },
            "end": {
              "local": "2004-10-14T15:37:07+04:00",
              "utc": "2004-10-14T11:37:07Z",
              "ms": 1097753827247.9839
            }
          },
          "covered_min": 0,
          "window_min": 139,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 08:06 on Wed 13 Oct to 06:48 on Thu 14 Oct.",
          "fact": "2004-10-13T04:06:27Z → 2004-10-14T02:48:16Z"
        },
        {
          "step": "kaala",
          "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:18–15:38 on the 13th, 13:18–15:37 on the 14th.",
          "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during aparāhṇa. It covers 140 of 140 minutes on the 13th and 0 of 139 on the 14th.",
          "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 18706 s"
        },
        {
          "step": "ruling",
          "text": "Mahālaya Amāvāsyā, Abu Dhabi, 2004: Wednesday 13 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahalaya-amavasya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Mahalaya amavasya (aparahnavyapini)"
          }
        ],
        "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.",
        "kaala": "aparahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-10-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-10-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Mahālaya Amāvāsyā 2004 falls on Wednesday 13 October. Amāvasyā runs from 08:06 on Wed 13 Oct to 06:48 on Thu 14 Oct and covers all of aparāhṇa that afternoon.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/navaratra-arambha",
      "festival": "navaratra-arambha",
      "name": "Navarātrārambha",
      "everyday": "Navratri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-10-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17757,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2004-10-14T06:48:16+04:00",
          "utc": "2004-10-14T02:48:16Z",
          "ms": 1097722095693.5065
        },
        "end": {
          "local": "2004-10-15T05:03:29+04:00",
          "utc": "2004-10-15T01:03:29Z",
          "ms": 1097802208757.1262
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-10-14T06:48:16+04:00",
          "utc": "2004-10-14T02:48:16Z",
          "ms": 1097722095693.5065
        },
        "end": {
          "local": "2004-10-15T05:03:29+04:00",
          "utc": "2004-10-15T01:03:29Z",
          "ms": 1097802208757.1262
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-10-14",
          "window": {
            "start": {
              "local": "2004-10-14T11:44:13+04:00",
              "utc": "2004-10-14T07:44:13Z",
              "ms": 1097739852930.4575
            },
            "end": {
              "local": "2004-10-14T12:32:13+04:00",
              "utc": "2004-10-14T08:32:13Z",
              "ms": 1097742732930.4575
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-10-15",
          "window": {
            "start": {
              "local": "2004-10-15T11:44:00+04:00",
              "utc": "2004-10-15T07:44:00Z",
              "ms": 1097826239642.1721
            },
            "end": {
              "local": "2004-10-15T12:32:00+04:00",
              "utc": "2004-10-15T08:32:00Z",
              "ms": 1097829119642.1721
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 06:48 on Thu 14 Oct to 05:03 on Fri 15 Oct.",
          "fact": "2004-10-14T02:48:16Z → 2004-10-15T01:03:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 14th, 11:44–12:32 on the 15th.",
          "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 14th and 0 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 17757 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha, Abu Dhabi, 2004: Thursday 14 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "navaratra-arambha",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Navaratrarambha (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-10-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-10-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Navarātrārambha (Navratri) 2004 falls on Thursday 14 October. Pratipadā runs from 06:48 on Thu 14 Oct to 05:03 on Fri 15 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-10-17",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-10-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34934,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-10-17T00:39:55+04:00",
          "utc": "2004-10-16T20:39:55Z",
          "ms": 1097959195365.2294
        },
        "end": {
          "local": "2004-10-17T22:13:48+04:00",
          "utc": "2004-10-17T18:13:48Z",
          "ms": 1098036828343.041
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-10-17T00:39:55+04:00",
          "utc": "2004-10-16T20:39:55Z",
          "ms": 1097959195365.2294
        },
        "end": {
          "local": "2004-10-17T22:13:48+04:00",
          "utc": "2004-10-17T18:13:48Z",
          "ms": 1098036828343.041
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-10-16",
          "window": {
            "start": {
              "local": "2004-10-16T11:43:47+04:00",
              "utc": "2004-10-16T07:43:47Z",
              "ms": 1097912626917.9424
            },
            "end": {
              "local": "2004-10-16T12:31:47+04:00",
              "utc": "2004-10-16T08:31:47Z",
              "ms": 1097915506917.9424
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-10-17",
          "window": {
            "start": {
              "local": "2004-10-17T11:43:35+04:00",
              "utc": "2004-10-17T07:43:35Z",
              "ms": 1097999014771.0348
            },
            "end": {
              "local": "2004-10-17T12:31:35+04:00",
              "utc": "2004-10-17T08:31:35Z",
              "ms": 1098001894771.0348
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 00:40 on Sun 17 Oct to 22:14 on Sun 17 Oct.",
          "fact": "2004-10-16T20:39:55Z → 2004-10-17T18:13:48Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 16th, 11:44–12:32 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34934 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2004: Sunday 17 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": "2004-10-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-10-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2004 falls on Sunday 17 October. Caturthī runs from 00:40 on Sun 17 Oct to 22:14 on Sun 17 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-10-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/durga-saptami",
      "festival": "durga-saptami",
      "name": "Durgā Saptamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-10-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28482,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2004-10-19T17:20:58+04:00",
          "utc": "2004-10-19T13:20:58Z",
          "ms": 1098192057672.0372
        },
        "end": {
          "local": "2004-10-20T15:03:30+04:00",
          "utc": "2004-10-20T11:03:30Z",
          "ms": 1098270209560.0378
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-10-19T17:20:58+04:00",
          "utc": "2004-10-19T13:20:58Z",
          "ms": 1098192057672.0372
        },
        "end": {
          "local": "2004-10-20T15:03:30+04:00",
          "utc": "2004-10-20T11:03:30Z",
          "ms": 1098270209560.0378
        }
      },
      "kaala": "udaya-1",
      "days": [
        {
          "local_date": "2004-10-19",
          "window": {
            "start": {
              "local": "2004-10-19T06:22:25+04:00",
              "utc": "2004-10-19T02:22:25Z",
              "ms": 1098152545213.7401
            },
            "end": {
              "local": "2004-10-19T07:08:23+04:00",
              "utc": "2004-10-19T03:08:23Z",
              "ms": 1098155303486.9298
            }
          },
          "covered_min": 0,
          "window_min": 46,
          "qualifies": false
        },
        {
          "local_date": "2004-10-20",
          "window": {
            "start": {
              "local": "2004-10-20T06:22:55+04:00",
              "utc": "2004-10-20T02:22:55Z",
              "ms": 1098238975036.8605
            },
            "end": {
              "local": "2004-10-20T07:08:48+04:00",
              "utc": "2004-10-20T03:08:48Z",
              "ms": 1098241727955.812
            }
          },
          "covered_min": 46,
          "window_min": 46,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 17:21 on Tue 19 Oct to 15:03 on Wed 20 Oct.",
          "fact": "2004-10-19T13:20:58Z → 2004-10-20T11:03:30Z"
        },
        {
          "step": "kaala",
          "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:22–07:08 on the 19th, 06:23–07:09 on the 20th.",
          "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 0 of 46 minutes on the 19th and 46 of 46 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one morning qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 28482 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Saptamī, Abu Dhabi, 2004: Wednesday 20 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "durga-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise"
          }
        ],
        "kaala": "udaya-1",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-10-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-10-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Durgā Saptamī 2004 falls on Wednesday 20 October. Saptamī runs from 17:21 on Tue 19 Oct to 15:03 on Wed 20 Oct and covers all of the first muhūrta after sunrise that morning.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/mahashtami",
      "festival": "mahashtami",
      "name": "Mahāṣṭamī",
      "everyday": "Durga Ashtami",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-10-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1571,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2004-10-20T15:03:30+04:00",
          "utc": "2004-10-20T11:03:30Z",
          "ms": 1098270209560.0378
        },
        "end": {
          "local": "2004-10-21T12:57:03+04:00",
          "utc": "2004-10-21T08:57:03Z",
          "ms": 1098349022794.7854
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-10-20T15:03:30+04:00",
          "utc": "2004-10-20T11:03:30Z",
          "ms": 1098270209560.0378
        },
        "end": {
          "local": "2004-10-21T12:57:03+04:00",
          "utc": "2004-10-21T08:57:03Z",
          "ms": 1098349022794.7854
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-10-20",
          "window": {
            "start": {
              "local": "2004-10-20T11:43:02+04:00",
              "utc": "2004-10-20T07:43:02Z",
              "ms": 1098258181928.9971
            },
            "end": {
              "local": "2004-10-20T12:31:02+04:00",
              "utc": "2004-10-20T08:31:02Z",
              "ms": 1098261061928.9971
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-10-21",
          "window": {
            "start": {
              "local": "2004-10-21T11:42:52+04:00",
              "utc": "2004-10-21T07:42:52Z",
              "ms": 1098344572228.6104
            },
            "end": {
              "local": "2004-10-21T12:30:52+04:00",
              "utc": "2004-10-21T08:30:52Z",
              "ms": 1098347452228.6104
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 15:03 on Wed 20 Oct to 12:57 on Thu 21 Oct.",
          "fact": "2004-10-20T11:03:30Z → 2004-10-21T08:57:03Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 20th, 11:43–12:31 on the 21st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 1571 s"
        },
        {
          "step": "ruling",
          "text": "Mahāṣṭamī, Abu Dhabi, 2004: Thursday 21 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Mahastami (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-10-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-10-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Mahāṣṭamī (Durga Ashtami) 2004 falls on Thursday 21 October. Aṣṭamī runs from 15:03 on Wed 20 Oct to 12:57 on Thu 21 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/vijaya-dashami",
      "festival": "vijaya-dashami",
      "name": "Vijayā Daśamī",
      "everyday": "Dussehra",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-10-22",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 198,
      "anga": {
        "type": "tithi",
        "index": 9,
        "key": "dashami",
        "name": "Daśamī",
        "start": {
          "local": "2004-10-22T11:04:42+04:00",
          "utc": "2004-10-22T07:04:42Z",
          "ms": 1098428682221.0996
        },
        "end": {
          "local": "2004-10-23T09:29:09+04:00",
          "utc": "2004-10-23T05:29:09Z",
          "ms": 1098509349323.6959
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "conjunction",
        "start": {
          "local": "2004-10-22T11:04:42+04:00",
          "utc": "2004-10-22T07:04:42Z",
          "ms": 1098428682221.0996
        },
        "end": {
          "local": "2004-10-22T11:08:00+04:00",
          "utc": "2004-10-22T07:08:00Z",
          "ms": 1098428879871.0208
        },
        "nakshatra": {
          "type": "nakshatra",
          "index": 21,
          "key": "shravana",
          "name": "Śravaṇa",
          "start": {
            "local": "2004-10-21T12:17:47+04:00",
            "utc": "2004-10-21T08:17:47Z",
            "ms": 1098346666822.1504
          },
          "end": {
            "local": "2004-10-22T11:08:00+04:00",
            "utc": "2004-10-22T07:08:00Z",
            "ms": 1098428879871.0208
          }
        }
      },
      "kaala": "daytime",
      "days": [
        {
          "local_date": "2004-10-21",
          "window": {
            "start": {
              "local": "2004-10-21T06:23:25+04:00",
              "utc": "2004-10-21T02:23:25Z",
              "ms": 1098325405288.1107
            },
            "end": {
              "local": "2004-10-21T17:50:19+04:00",
              "utc": "2004-10-21T13:50:19Z",
              "ms": 1098366619169.1101
            }
          },
          "covered_min": 0,
          "window_min": 687,
          "qualifies": false
        },
        {
          "local_date": "2004-10-22",
          "window": {
            "start": {
              "local": "2004-10-22T06:23:56+04:00",
              "utc": "2004-10-22T02:23:56Z",
              "ms": 1098411835972.0713
            },
            "end": {
              "local": "2004-10-22T17:49:30+04:00",
              "utc": "2004-10-22T13:49:30Z",
              "ms": 1098452970382.0721
            }
          },
          "covered_min": 3,
          "window_min": 686,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Daśamī runs from 11:05 on Fri 22 Oct to 09:29 on Sat 23 Oct, and Śravaṇa from 12:18 on Thu 21 Oct to 11:08 on Fri 22 Oct. They are together from 11:05 on Fri 22 Oct to 11:08 on Fri 22 Oct.",
          "fact": "2004-10-22T07:04:42Z → 2004-10-22T07:08:00Z"
        },
        {
          "step": "kaala",
          "text": "The day time is sunrise to sunset: 06:23–17:50 on the 21st, 06:24–17:50 on the 22nd.",
          "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 687 minutes on the 21st and 3 of 686 on the 22nd.",
          "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 198 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Daśamī, Abu Dhabi, 2004: Friday 22 October.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2004-10-22",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-10-22",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Vijayā Daśamī (Dussehra) 2004 falls on Friday 22 October. Daśamī runs from 11:05 on Fri 22 Oct to 09:29 on Sat 23 Oct and is with Śravaṇa in the day time that day, for 3 minutes. It is 3 min 18 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/mahanavami",
      "festival": "mahanavami",
      "name": "Mahānavamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-10-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1571,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2004-10-21T12:57:03+04:00",
          "utc": "2004-10-21T08:57:03Z",
          "ms": 1098349022794.7854
        },
        "end": {
          "local": "2004-10-22T11:04:42+04:00",
          "utc": "2004-10-22T07:04:42Z",
          "ms": 1098428682221.0996
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-10-21T12:57:03+04:00",
          "utc": "2004-10-21T08:57:03Z",
          "ms": 1098349022794.7854
        },
        "end": {
          "local": "2004-10-22T11:04:42+04:00",
          "utc": "2004-10-22T07:04:42Z",
          "ms": 1098428682221.0996
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-10-21",
          "window": {
            "start": {
              "local": "2004-10-21T11:42:52+04:00",
              "utc": "2004-10-21T07:42:52Z",
              "ms": 1098344572228.6104
            },
            "end": {
              "local": "2004-10-21T12:30:52+04:00",
              "utc": "2004-10-21T08:30:52Z",
              "ms": 1098347452228.6104
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-10-22",
          "window": {
            "start": {
              "local": "2004-10-22T11:42:43+04:00",
              "utc": "2004-10-22T07:42:43Z",
              "ms": 1098430963177.0718
            },
            "end": {
              "local": "2004-10-22T12:30:43+04:00",
              "utc": "2004-10-22T08:30:43Z",
              "ms": 1098433843177.0718
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 12:57 on Thu 21 Oct to 11:05 on Fri 22 Oct.",
          "fact": "2004-10-21T08:57:03Z → 2004-10-22T07:04:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 21st, 11:43–12:31 on the 22nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: purvaviddha → second-day · margin 1571 s"
        },
        {
          "step": "ruling",
          "text": "Mahānavamī, Abu Dhabi, 2004: Friday 22 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahanavami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)."
          }
        ],
        "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.",
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-10-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-10-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Mahānavamī 2004 falls on Friday 22 October. Navamī runs from 12:57 on Thu 21 Oct to 11:05 on Fri 22 Oct, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ekadashi?on=2004-10-24",
      "festival": "ekadashi",
      "name": "Pāśāṅkuśā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-10-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6474,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-10-23T09:29:09+04:00",
          "utc": "2004-10-23T05:29:09Z",
          "ms": 1098509349323.6959
        },
        "end": {
          "local": "2004-10-24T08:12:52+04:00",
          "utc": "2004-10-24T04:12:52Z",
          "ms": 1098591172428.1974
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-10-23T09:29:09+04:00",
          "utc": "2004-10-23T05:29:09Z",
          "ms": 1098509349323.6959
        },
        "end": {
          "local": "2004-10-24T08:12:52+04:00",
          "utc": "2004-10-24T04:12:52Z",
          "ms": 1098591172428.1974
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-10-23",
          "window": {
            "start": {
              "local": "2004-10-23T06:24:27+04:00",
              "utc": "2004-10-23T02:24:27Z",
              "ms": 1098498267094.0463
            },
            "end": {
              "local": "2004-10-23T06:24:27+04:00",
              "utc": "2004-10-23T02:24:27Z",
              "ms": 1098498267094.0463
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-10-24",
          "window": {
            "start": {
              "local": "2004-10-24T06:24:59+04:00",
              "utc": "2004-10-24T02:24:59Z",
              "ms": 1098584698659.912
            },
            "end": {
              "local": "2004-10-24T06:24:59+04:00",
              "utc": "2004-10-24T02:24:59Z",
              "ms": 1098584698659.912
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 09:29 on Sat 23 Oct to 08:13 on Sun 24 Oct.",
          "fact": "2004-10-23T05:29:09Z → 2004-10-24T04:12:52Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:24 on the 23rd and 06:25 on the 24th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 6474 s"
        },
        {
          "step": "ruling",
          "text": "Pāśāṅkuśā Ekādaśī, Abu Dhabi, 2004: Sunday 24 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-10-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-10-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Pāśāṅkuśā Ekādaśī 2004 falls on Sunday 24 October. Ekādaśī runs from 09:29 on Sat 23 Oct to 08:13 on Sun 24 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-10-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-10-25",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-10-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37734,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-10-25T07:18:15+04:00",
          "utc": "2004-10-25T03:18:15Z",
          "ms": 1098674295072.6667
        },
        "end": {
          "local": "2004-10-26T06:47:40+04:00",
          "utc": "2004-10-26T02:47:40Z",
          "ms": 1098758859571.9989
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-10-25T07:18:15+04:00",
          "utc": "2004-10-25T03:18:15Z",
          "ms": 1098674295072.6667
        },
        "end": {
          "local": "2004-10-26T06:47:40+04:00",
          "utc": "2004-10-26T02:47:40Z",
          "ms": 1098758859571.9989
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-10-25",
          "window": {
            "start": {
              "local": "2004-10-25T17:47:09+04:00",
              "utc": "2004-10-25T13:47:09Z",
              "ms": 1098712029482.9886
            },
            "end": {
              "local": "2004-10-25T19:28:21+04:00",
              "utc": "2004-10-25T15:28:21Z",
              "ms": 1098718100638.3376
            }
          },
          "covered_min": 101,
          "window_min": 101,
          "qualifies": true
        },
        {
          "local_date": "2004-10-26",
          "window": {
            "start": {
              "local": "2004-10-26T17:46:24+04:00",
              "utc": "2004-10-26T13:46:24Z",
              "ms": 1098798384429.0575
            },
            "end": {
              "local": "2004-10-26T19:27:46+04:00",
              "utc": "2004-10-26T15:27:46Z",
              "ms": 1098804465982.8469
            }
          },
          "covered_min": 0,
          "window_min": 101,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 07:18 on Mon 25 Oct to 06:48 on Tue 26 Oct.",
          "fact": "2004-10-25T03:18:15Z → 2004-10-26T02:47:40Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:47–19:28 on the 25th, 17:46–19:28 on the 26th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 101 of 101 minutes on the 25th and 0 of 101 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 37734 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2004: Monday 25 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": "2004-10-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-10-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2004 falls on Monday 25 October. Trayodaśī runs from 07:18 on Mon 25 Oct to 06:48 on Tue 26 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-10-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/karaka-chaturthi",
      "festival": "karaka-chaturthi",
      "name": "Karaka Caturthī",
      "everyday": "Karwa Chauth",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-10-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26457,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-10-31T11:13:57+04:00",
          "utc": "2004-10-31T07:13:57Z",
          "ms": 1099206836759.6311
        },
        "end": {
          "local": "2004-11-01T13:26:38+04:00",
          "utc": "2004-11-01T09:26:38Z",
          "ms": 1099301197823.931
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-10-31T11:13:57+04:00",
          "utc": "2004-10-31T07:13:57Z",
          "ms": 1099206836759.6311
        },
        "end": {
          "local": "2004-11-01T13:26:38+04:00",
          "utc": "2004-11-01T09:26:38Z",
          "ms": 1099301197823.931
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-10-31",
          "window": {
            "start": {
              "local": "2004-10-31T19:59:08+04:00",
              "utc": "2004-10-31T15:59:08Z",
              "ms": 1099238347897.6617
            },
            "end": {
              "local": "2004-10-31T19:59:08+04:00",
              "utc": "2004-10-31T15:59:08Z",
              "ms": 1099238347897.6617
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-11-01",
          "window": {
            "start": {
              "local": "2004-11-01T20:47:35+04:00",
              "utc": "2004-11-01T16:47:35Z",
              "ms": 1099327655172.0784
            },
            "end": {
              "local": "2004-11-01T20:47:35+04:00",
              "utc": "2004-11-01T16:47:35Z",
              "ms": 1099327655172.0784
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:14 on Sun 31 Oct to 13:27 on Mon 1 Nov.",
          "fact": "2004-10-31T07:13:57Z → 2004-11-01T09:26:38Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:59 on the 31st and 20:48 on the 1st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 31st and is not on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 26457 s"
        },
        {
          "step": "ruling",
          "text": "Karaka Caturthī, Abu Dhabi, 2004: Sunday 31 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "karaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)"
          }
        ],
        "kaala": "moonrise",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-10-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-10-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Karaka Caturthī (Karwa Chauth) 2004 falls on Sunday 31 October. Caturthī runs from 11:14 on Sun 31 Oct to 13:27 on Mon 1 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-10-31",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-10-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26457,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-10-31T11:13:57+04:00",
          "utc": "2004-10-31T07:13:57Z",
          "ms": 1099206836759.6311
        },
        "end": {
          "local": "2004-11-01T13:26:38+04:00",
          "utc": "2004-11-01T09:26:38Z",
          "ms": 1099301197823.931
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-10-31T11:13:57+04:00",
          "utc": "2004-10-31T07:13:57Z",
          "ms": 1099206836759.6311
        },
        "end": {
          "local": "2004-11-01T13:26:38+04:00",
          "utc": "2004-11-01T09:26:38Z",
          "ms": 1099301197823.931
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-10-31",
          "window": {
            "start": {
              "local": "2004-10-31T19:59:08+04:00",
              "utc": "2004-10-31T15:59:08Z",
              "ms": 1099238347897.6617
            },
            "end": {
              "local": "2004-10-31T19:59:08+04:00",
              "utc": "2004-10-31T15:59:08Z",
              "ms": 1099238347897.6617
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-11-01",
          "window": {
            "start": {
              "local": "2004-11-01T20:47:35+04:00",
              "utc": "2004-11-01T16:47:35Z",
              "ms": 1099327655172.0784
            },
            "end": {
              "local": "2004-11-01T20:47:35+04:00",
              "utc": "2004-11-01T16:47:35Z",
              "ms": 1099327655172.0784
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:14 on Sun 31 Oct to 13:27 on Mon 1 Nov.",
          "fact": "2004-10-31T07:13:57Z → 2004-11-01T09:26:38Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:59 on the 31st and 20:48 on the 1st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 31st and is not on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26457 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2004: Sunday 31 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-10-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-10-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2004 falls on Sunday 31 October. Caturthī runs from 11:14 on Sun 31 Oct to 13:27 on Mon 1 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-10-31",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/ahoyi-ashtami",
      "festival": "ahoyi-ashtami",
      "name": "Ahoyī Aṣṭamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5580,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2004-11-04T20:48:56+04:00",
          "utc": "2004-11-04T16:48:56Z",
          "ms": 1099586936231.4438
        },
        "end": {
          "local": "2004-11-05T22:51:06+04:00",
          "utc": "2004-11-05T18:51:06Z",
          "ms": 1099680666413.0557
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-04T20:48:56+04:00",
          "utc": "2004-11-04T16:48:56Z",
          "ms": 1099586936231.4438
        },
        "end": {
          "local": "2004-11-05T22:51:06+04:00",
          "utc": "2004-11-05T18:51:06Z",
          "ms": 1099680666413.0557
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-11-04",
          "window": {
            "start": {
              "local": "2004-11-04T23:28:52+04:00",
              "utc": "2004-11-04T19:28:52Z",
              "ms": 1099596531577.2014
            },
            "end": {
              "local": "2004-11-04T23:28:52+04:00",
              "utc": "2004-11-04T19:28:52Z",
              "ms": 1099596531577.2014
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-11-05",
          "window": {
            "start": {
              "local": "2004-11-06T00:24:07+04:00",
              "utc": "2004-11-05T20:24:07Z",
              "ms": 1099686246583.25
            },
            "end": {
              "local": "2004-11-06T00:24:07+04:00",
              "utc": "2004-11-05T20:24:07Z",
              "ms": 1099686246583.25
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 20:49 on Thu 4 Nov to 22:51 on Fri 5 Nov.",
          "fact": "2004-11-04T16:48:56Z → 2004-11-05T18:51:06Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 23:29 on the 4th and 00:24 on the 5th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is on the 4th and is not on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 5580 s"
        },
        {
          "step": "ruling",
          "text": "Ahoyī Aṣṭamī, Abu Dhabi, 2004: Thursday 4 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ahoyi-ashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day."
          }
        ],
        "kaala": "moonrise",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Ahoyī Aṣṭamī 2004 falls on Thursday 4 November. Aṣṭamī runs from 20:49 on Thu 4 Nov to 22:51 on Fri 5 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ekadashi?on=2004-11-08",
      "festival": "ekadashi",
      "name": "Ramā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19292,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-11-08T01:09:34+04:00",
          "utc": "2004-11-07T21:09:34Z",
          "ms": 1099861774248.9128
        },
        "end": {
          "local": "2004-11-09T01:12:55+04:00",
          "utc": "2004-11-08T21:12:55Z",
          "ms": 1099948374763.5415
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-08T01:09:34+04:00",
          "utc": "2004-11-07T21:09:34Z",
          "ms": 1099861774248.9128
        },
        "end": {
          "local": "2004-11-09T01:12:55+04:00",
          "utc": "2004-11-08T21:12:55Z",
          "ms": 1099948374763.5415
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-11-08",
          "window": {
            "start": {
              "local": "2004-11-08T06:33:48+04:00",
              "utc": "2004-11-08T02:33:48Z",
              "ms": 1099881227880.563
            },
            "end": {
              "local": "2004-11-08T06:33:48+04:00",
              "utc": "2004-11-08T02:33:48Z",
              "ms": 1099881227880.563
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-11-09",
          "window": {
            "start": {
              "local": "2004-11-09T06:34:27+04:00",
              "utc": "2004-11-09T02:34:27Z",
              "ms": 1099967666786.029
            },
            "end": {
              "local": "2004-11-09T06:34:27+04:00",
              "utc": "2004-11-09T02:34:27Z",
              "ms": 1099967666786.029
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 01:10 on Mon 8 Nov to 01:13 on Tue 9 Nov.",
          "fact": "2004-11-07T21:09:34Z → 2004-11-08T21:12:55Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:34 on the 8th and 06:34 on the 9th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 8th and is not on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 19292 s"
        },
        {
          "step": "ruling",
          "text": "Ramā Ekādaśī, Abu Dhabi, 2004: Monday 8 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": "2004-11-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Ramā Ekādaśī 2004 falls on Monday 8 November. Ekādaśī runs from 01:10 on Mon 8 Nov to 01:13 on Tue 9 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-11-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/govatsa-dvadashi",
      "festival": "govatsa-dvadashi",
      "name": "Govatsa Dvādaśī",
      "everyday": "Vasu Baras",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18524,
      "anga": {
        "type": "tithi",
        "index": 26,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2004-11-09T01:12:55+04:00",
          "utc": "2004-11-08T21:12:55Z",
          "ms": 1099948374763.5415
        },
        "end": {
          "local": "2004-11-10T00:30:12+04:00",
          "utc": "2004-11-09T20:30:12Z",
          "ms": 1100032212349.8003
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-09T01:12:55+04:00",
          "utc": "2004-11-08T21:12:55Z",
          "ms": 1099948374763.5415
        },
        "end": {
          "local": "2004-11-10T00:30:12+04:00",
          "utc": "2004-11-09T20:30:12Z",
          "ms": 1100032212349.8003
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-11-08",
          "window": {
            "start": {
              "local": "2004-11-08T17:38:19+04:00",
              "utc": "2004-11-08T13:38:19Z",
              "ms": 1099921099380.8877
            },
            "end": {
              "local": "2004-11-08T19:21:48+04:00",
              "utc": "2004-11-08T15:21:48Z",
              "ms": 1099927308368.24
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        },
        {
          "local_date": "2004-11-09",
          "window": {
            "start": {
              "local": "2004-11-09T17:37:51+04:00",
              "utc": "2004-11-09T13:37:51Z",
              "ms": 1100007470651.741
            },
            "end": {
              "local": "2004-11-09T19:21:29+04:00",
              "utc": "2004-11-09T15:21:29Z",
              "ms": 1100013688710.5088
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 01:13 on Tue 9 Nov to 00:30 on Wed 10 Nov.",
          "fact": "2004-11-08T21:12:55Z → 2004-11-09T20:30:12Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:38–19:22 on the 8th, 17:38–19:21 on the 9th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 8th and 104 of 104 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 18524 s"
        },
        {
          "step": "ruling",
          "text": "Govatsa Dvādaśī, Abu Dhabi, 2004: Tuesday 9 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "govatsa-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day."
          }
        ],
        "kaala": "pradosha",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Govatsa Dvādaśī (Vasu Baras) 2004 falls on Tuesday 9 November. Dvādaśī runs from 01:13 on Tue 9 Nov to 00:30 on Wed 10 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/yama-dipadana",
      "festival": "yama-dipadana",
      "name": "Yama Dīpadāna",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13389,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-11-10T00:30:12+04:00",
          "utc": "2004-11-09T20:30:12Z",
          "ms": 1100032212349.8003
        },
        "end": {
          "local": "2004-11-10T23:04:19+04:00",
          "utc": "2004-11-10T19:04:19Z",
          "ms": 1100113459258.103
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-10T00:30:12+04:00",
          "utc": "2004-11-09T20:30:12Z",
          "ms": 1100032212349.8003
        },
        "end": {
          "local": "2004-11-10T23:04:19+04:00",
          "utc": "2004-11-10T19:04:19Z",
          "ms": 1100113459258.103
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-11-09",
          "window": {
            "start": {
              "local": "2004-11-09T17:37:51+04:00",
              "utc": "2004-11-09T13:37:51Z",
              "ms": 1100007470651.741
            },
            "end": {
              "local": "2004-11-09T19:21:29+04:00",
              "utc": "2004-11-09T15:21:29Z",
              "ms": 1100013688710.5088
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        },
        {
          "local_date": "2004-11-10",
          "window": {
            "start": {
              "local": "2004-11-10T17:37:23+04:00",
              "utc": "2004-11-10T13:37:23Z",
              "ms": 1100093843251.723
            },
            "end": {
              "local": "2004-11-10T19:21:10+04:00",
              "utc": "2004-11-10T15:21:10Z",
              "ms": 1100100070255.8125
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 00:30 on Wed 10 Nov to 23:04 on Wed 10 Nov.",
          "fact": "2004-11-09T20:30:12Z → 2004-11-10T19:04:19Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:38–19:21 on the 9th, 17:37–19:21 on the 10th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 104 minutes on the 9th and 104 of 104 on the 10th.",
          "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 13389 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dīpadāna, Abu Dhabi, 2004: Wednesday 10 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "yama-dipadana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 13 Yama dipadana (pradosa)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Yama Dīpadāna 2004 falls on Wednesday 10 November. Trayodaśī runs from 00:30 on Wed 10 Nov to 23:04 on Wed 10 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-11-10",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13389,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-11-10T00:30:12+04:00",
          "utc": "2004-11-09T20:30:12Z",
          "ms": 1100032212349.8003
        },
        "end": {
          "local": "2004-11-10T23:04:19+04:00",
          "utc": "2004-11-10T19:04:19Z",
          "ms": 1100113459258.103
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-10T00:30:12+04:00",
          "utc": "2004-11-09T20:30:12Z",
          "ms": 1100032212349.8003
        },
        "end": {
          "local": "2004-11-10T23:04:19+04:00",
          "utc": "2004-11-10T19:04:19Z",
          "ms": 1100113459258.103
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-11-09",
          "window": {
            "start": {
              "local": "2004-11-09T17:37:51+04:00",
              "utc": "2004-11-09T13:37:51Z",
              "ms": 1100007470651.741
            },
            "end": {
              "local": "2004-11-09T19:21:29+04:00",
              "utc": "2004-11-09T15:21:29Z",
              "ms": 1100013688710.5088
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        },
        {
          "local_date": "2004-11-10",
          "window": {
            "start": {
              "local": "2004-11-10T17:37:23+04:00",
              "utc": "2004-11-10T13:37:23Z",
              "ms": 1100093843251.723
            },
            "end": {
              "local": "2004-11-10T19:21:10+04:00",
              "utc": "2004-11-10T15:21:10Z",
              "ms": 1100100070255.8125
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 00:30 on Wed 10 Nov to 23:04 on Wed 10 Nov.",
          "fact": "2004-11-09T20:30:12Z → 2004-11-10T19:04:19Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:38–19:21 on the 9th, 17:37–19:21 on the 10th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 104 minutes on the 9th and 104 of 104 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 13389 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2004: Wednesday 10 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": "2004-11-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2004 falls on Wednesday 10 November. Trayodaśī runs from 00:30 on Wed 10 Nov to 23:04 on Wed 10 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-11-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/shivaratri?on=2004-11-10",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2295,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2004-11-10T23:04:19+04:00",
          "utc": "2004-11-10T19:04:19Z",
          "ms": 1100113459258.103
        },
        "end": {
          "local": "2004-11-11T21:00:50+04:00",
          "utc": "2004-11-11T17:00:50Z",
          "ms": 1100192449783.7637
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-10T23:04:19+04:00",
          "utc": "2004-11-10T19:04:19Z",
          "ms": 1100113459258.103
        },
        "end": {
          "local": "2004-11-11T21:00:50+04:00",
          "utc": "2004-11-11T17:00:50Z",
          "ms": 1100192449783.7637
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2004-11-10",
          "window": {
            "start": {
              "local": "2004-11-10T23:42:35+04:00",
              "utc": "2004-11-10T19:42:35Z",
              "ms": 1100115754517.0586
            },
            "end": {
              "local": "2004-11-11T00:30:35+04:00",
              "utc": "2004-11-10T20:30:35Z",
              "ms": 1100118634517.0586
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-11-11",
          "window": {
            "start": {
              "local": "2004-11-11T23:42:42+04:00",
              "utc": "2004-11-11T19:42:42Z",
              "ms": 1100202161516.088
            },
            "end": {
              "local": "2004-11-12T00:30:42+04:00",
              "utc": "2004-11-11T20:30:42Z",
              "ms": 1100205041516.088
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 23:04 on Wed 10 Nov to 21:01 on Thu 11 Nov.",
          "fact": "2004-11-10T19:04:19Z → 2004-11-11T17:00:50Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:43–00:31 on the 10th, 23:43–00:31 on the 11th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2295 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2004: Wednesday 10 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": "2004-11-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2004 falls on Wednesday 10 November. Caturdaśī runs from 23:04 on Wed 10 Nov to 21:01 on Thu 11 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/shivaratri?on=2004-11-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/naraka-chaturdashi",
      "festival": "naraka-chaturdashi",
      "name": "Naraka Caturdaśī",
      "everyday": "Choti Diwali",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20860,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2004-11-10T23:04:19+04:00",
          "utc": "2004-11-10T19:04:19Z",
          "ms": 1100113459258.103
        },
        "end": {
          "local": "2004-11-11T21:00:50+04:00",
          "utc": "2004-11-11T17:00:50Z",
          "ms": 1100192449783.7637
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-10T23:04:19+04:00",
          "utc": "2004-11-10T19:04:19Z",
          "ms": 1100113459258.103
        },
        "end": {
          "local": "2004-11-11T21:00:50+04:00",
          "utc": "2004-11-11T17:00:50Z",
          "ms": 1100192449783.7637
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2004-11-11",
          "window": {
            "start": {
              "local": "2004-11-11T04:51:59+04:00",
              "utc": "2004-11-11T00:51:59Z",
              "ms": 1100134318778.3044
            },
            "end": {
              "local": "2004-11-11T06:35:46+04:00",
              "utc": "2004-11-11T02:35:46Z",
              "ms": 1100140545782.394
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        },
        {
          "local_date": "2004-11-12",
          "window": {
            "start": {
              "local": "2004-11-12T04:52:30+04:00",
              "utc": "2004-11-12T00:52:30Z",
              "ms": 1100220750017.2695
            },
            "end": {
              "local": "2004-11-12T06:36:26+04:00",
              "utc": "2004-11-12T02:36:26Z",
              "ms": 1100226985835.881
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 23:04 on Wed 10 Nov to 21:01 on Thu 11 Nov.",
          "fact": "2004-11-10T19:04:19Z → 2004-11-11T17:00:50Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:52–06:36 on the 11th, 04:53–06:36 on the 12th.",
          "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 104 of 104 minutes on the 11th and 0 of 104 on the 12th.",
          "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 20860 s"
        },
        {
          "step": "ruling",
          "text": "Naraka Caturdaśī, Abu Dhabi, 2004: Thursday 11 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naraka-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)"
          }
        ],
        "kaala": "arunodaya",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Naraka Caturdaśī (Choti Diwali) 2004 falls on Thursday 11 November. Caturdaśī runs from 23:04 on Wed 10 Nov to 21:01 on Thu 11 Nov and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/kali-puja",
      "festival": "kali-puja",
      "name": "Kālī Pūjā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9712,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2004-11-11T21:00:50+04:00",
          "utc": "2004-11-11T17:00:50Z",
          "ms": 1100192449783.7637
        },
        "end": {
          "local": "2004-11-12T18:27:11+04:00",
          "utc": "2004-11-12T14:27:11Z",
          "ms": 1100269630819.647
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-11T21:00:50+04:00",
          "utc": "2004-11-11T17:00:50Z",
          "ms": 1100192449783.7637
        },
        "end": {
          "local": "2004-11-12T18:27:11+04:00",
          "utc": "2004-11-12T14:27:11Z",
          "ms": 1100269630819.647
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2004-11-11",
          "window": {
            "start": {
              "local": "2004-11-11T23:42:42+04:00",
              "utc": "2004-11-11T19:42:42Z",
              "ms": 1100202161516.088
            },
            "end": {
              "local": "2004-11-12T00:30:42+04:00",
              "utc": "2004-11-11T20:30:42Z",
              "ms": 1100205041516.088
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-11-12",
          "window": {
            "start": {
              "local": "2004-11-12T23:42:49+04:00",
              "utc": "2004-11-12T19:42:49Z",
              "ms": 1100288569365.0083
            },
            "end": {
              "local": "2004-11-13T00:30:49+04:00",
              "utc": "2004-11-12T20:30:49Z",
              "ms": 1100291449365.0083
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 21:01 on Thu 11 Nov to 18:27 on Fri 12 Nov.",
          "fact": "2004-11-11T17:00:50Z → 2004-11-12T14:27:11Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:43–00:31 on the 11th, 23:43–00:31 on the 12th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.",
          "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 9712 s"
        },
        {
          "step": "ruling",
          "text": "Kālī Pūjā, Abu Dhabi, 2004: Thursday 11 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kali-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)"
          }
        ],
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kālī Pūjā 2004 falls on Thursday 11 November. Amāvasyā runs from 21:01 on Thu 11 Nov to 18:27 on Fri 12 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/diwali-lakshmi-puja",
      "festival": "diwali-lakshmi-puja",
      "name": "Lakṣmī Pūjā",
      "everyday": "Diwali",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3038,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2004-11-11T21:00:50+04:00",
          "utc": "2004-11-11T17:00:50Z",
          "ms": 1100192449783.7637
        },
        "end": {
          "local": "2004-11-12T18:27:11+04:00",
          "utc": "2004-11-12T14:27:11Z",
          "ms": 1100269630819.647
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-11T21:00:50+04:00",
          "utc": "2004-11-11T17:00:50Z",
          "ms": 1100192449783.7637
        },
        "end": {
          "local": "2004-11-12T18:27:11+04:00",
          "utc": "2004-11-12T14:27:11Z",
          "ms": 1100269630819.647
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-11-11",
          "window": {
            "start": {
              "local": "2004-11-11T17:36:57+04:00",
              "utc": "2004-11-11T13:36:57Z",
              "ms": 1100180217196.2947
            },
            "end": {
              "local": "2004-11-11T19:20:53+04:00",
              "utc": "2004-11-11T15:20:53Z",
              "ms": 1100186453014.9062
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        },
        {
          "local_date": "2004-11-12",
          "window": {
            "start": {
              "local": "2004-11-12T17:36:32+04:00",
              "utc": "2004-11-12T13:36:32Z",
              "ms": 1100266592499.1213
            },
            "end": {
              "local": "2004-11-12T19:20:37+04:00",
              "utc": "2004-11-12T15:20:37Z",
              "ms": 1100272836996.6912
            }
          },
          "covered_min": 51,
          "window_min": 104,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 21:01 on Thu 11 Nov to 18:27 on Fri 12 Nov.",
          "fact": "2004-11-11T17:00:50Z → 2004-11-12T14:27:11Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:37–19:21 on the 11th, 17:37–19:21 on the 12th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 104 minutes on the 11th and 51 of 104 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 3038 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pūjā, Abu Dhabi, 2004: Friday 12 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "diwali-lakshmi-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)"
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Lakṣmī Pūjā (Diwali) 2004 falls on Friday 12 November. Amāvasyā runs from 21:01 on Thu 11 Nov to 18:27 on Fri 12 Nov and covers 51 of 104 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/bali-puja",
      "festival": "bali-puja",
      "name": "Bali Pūjā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3038,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2004-11-12T18:27:11+04:00",
          "utc": "2004-11-12T14:27:11Z",
          "ms": 1100269630819.647
        },
        "end": {
          "local": "2004-11-13T15:31:58+04:00",
          "utc": "2004-11-13T11:31:58Z",
          "ms": 1100345517898.908
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-12T18:27:11+04:00",
          "utc": "2004-11-12T14:27:11Z",
          "ms": 1100269630819.647
        },
        "end": {
          "local": "2004-11-13T15:31:58+04:00",
          "utc": "2004-11-13T11:31:58Z",
          "ms": 1100345517898.908
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-11-12",
          "window": {
            "start": {
              "local": "2004-11-12T17:36:32+04:00",
              "utc": "2004-11-12T13:36:32Z",
              "ms": 1100266592499.1213
            },
            "end": {
              "local": "2004-11-12T19:20:37+04:00",
              "utc": "2004-11-12T15:20:37Z",
              "ms": 1100272836996.6912
            }
          },
          "covered_min": 53,
          "window_min": 104,
          "qualifies": true
        },
        {
          "local_date": "2004-11-13",
          "window": {
            "start": {
              "local": "2004-11-13T17:36:09+04:00",
              "utc": "2004-11-13T13:36:09Z",
              "ms": 1100352969172.226
            },
            "end": {
              "local": "2004-11-13T19:20:22+04:00",
              "utc": "2004-11-13T15:20:22Z",
              "ms": 1100359222208.3752
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 18:27 on Fri 12 Nov to 15:32 on Sat 13 Nov.",
          "fact": "2004-11-12T14:27:11Z → 2004-11-13T11:31:58Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:37–19:21 on the 12th, 17:36–19:20 on the 13th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pradoṣa. It covers 53 of 104 minutes on the 12th and 0 of 104 on the 13th.",
          "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 3038 s"
        },
        {
          "step": "ruling",
          "text": "Bali Pūjā, Abu Dhabi, 2004: Friday 12 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bali-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Bali Pūjā 2004 falls on Friday 12 November. Pratipadā runs from 18:27 on Fri 12 Nov to 15:32 on Sat 13 Nov and covers 53 of 104 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/govardhana-puja",
      "festival": "govardhana-puja",
      "name": "Govardhana Pūjā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10880,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2004-11-12T18:27:11+04:00",
          "utc": "2004-11-12T14:27:11Z",
          "ms": 1100269630819.647
        },
        "end": {
          "local": "2004-11-13T15:31:58+04:00",
          "utc": "2004-11-13T11:31:58Z",
          "ms": 1100345517898.908
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-12T18:27:11+04:00",
          "utc": "2004-11-12T14:27:11Z",
          "ms": 1100269630819.647
        },
        "end": {
          "local": "2004-11-13T15:31:58+04:00",
          "utc": "2004-11-13T11:31:58Z",
          "ms": 1100345517898.908
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-11-12",
          "window": {
            "start": {
              "local": "2004-11-12T11:42:29+04:00",
              "utc": "2004-11-12T07:42:29Z",
              "ms": 1100245349167.5012
            },
            "end": {
              "local": "2004-11-12T12:30:29+04:00",
              "utc": "2004-11-12T08:30:29Z",
              "ms": 1100248229167.5012
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-11-13",
          "window": {
            "start": {
              "local": "2004-11-13T11:42:38+04:00",
              "utc": "2004-11-13T07:42:38Z",
              "ms": 1100331757701.5608
            },
            "end": {
              "local": "2004-11-13T12:30:38+04:00",
              "utc": "2004-11-13T08:30:38Z",
              "ms": 1100334637701.5608
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 18:27 on Fri 12 Nov to 15:32 on Sat 13 Nov.",
          "fact": "2004-11-12T14:27:11Z → 2004-11-13T11:31:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 12th, 11:43–12:31 on the 13th.",
          "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 12th and 48 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 10880 s"
        },
        {
          "step": "ruling",
          "text": "Govardhana Pūjā, Abu Dhabi, 2004: Saturday 13 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "govardhana-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Govardhana Pūjā 2004 falls on Saturday 13 November. Pratipadā runs from 18:27 on Fri 12 Nov to 15:32 on Sat 13 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/dyuta-pratipad",
      "festival": "dyuta-pratipad",
      "name": "Dyūta Pratipad",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18911,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2004-11-12T18:27:11+04:00",
          "utc": "2004-11-12T14:27:11Z",
          "ms": 1100269630819.647
        },
        "end": {
          "local": "2004-11-13T15:31:58+04:00",
          "utc": "2004-11-13T11:31:58Z",
          "ms": 1100345517898.908
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-12T18:27:11+04:00",
          "utc": "2004-11-12T14:27:11Z",
          "ms": 1100269630819.647
        },
        "end": {
          "local": "2004-11-13T15:31:58+04:00",
          "utc": "2004-11-13T11:31:58Z",
          "ms": 1100345517898.908
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2004-11-12",
          "window": {
            "start": {
              "local": "2004-11-12T06:36:26+04:00",
              "utc": "2004-11-12T02:36:26Z",
              "ms": 1100226985835.881
            },
            "end": {
              "local": "2004-11-12T10:16:28+04:00",
              "utc": "2004-11-12T06:16:28Z",
              "ms": 1100240188056.9612
            }
          },
          "covered_min": 0,
          "window_min": 220,
          "qualifies": false
        },
        {
          "local_date": "2004-11-13",
          "window": {
            "start": {
              "local": "2004-11-13T06:37:06+04:00",
              "utc": "2004-11-13T02:37:06Z",
              "ms": 1100313426230.8955
            },
            "end": {
              "local": "2004-11-13T10:16:47+04:00",
              "utc": "2004-11-13T06:16:47Z",
              "ms": 1100326607211.339
            }
          },
          "covered_min": 220,
          "window_min": 220,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 18:27 on Fri 12 Nov to 15:32 on Sat 13 Nov.",
          "fact": "2004-11-12T14:27:11Z → 2004-11-13T11:31:58Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:36–10:16 on the 12th, 06:37–10:17 on the 13th.",
          "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 220 minutes on the 12th and 220 of 220 on the 13th.",
          "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 18911 s"
        },
        {
          "step": "ruling",
          "text": "Dyūta Pratipad, Abu Dhabi, 2004: Saturday 13 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "dyuta-pratipad",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)."
          }
        ],
        "kaala": "purvahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Dyūta Pratipad 2004 falls on Saturday 13 November. Pratipadā runs from 18:27 on Fri 12 Nov to 15:32 on Sat 13 Nov and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/yama-dvitiya",
      "festival": "yama-dvitiya",
      "name": "Yama Dvitīyā",
      "everyday": "Bhai Dooj",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 388,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2004-11-13T15:31:58+04:00",
          "utc": "2004-11-13T11:31:58Z",
          "ms": 1100345517898.908
        },
        "end": {
          "local": "2004-11-14T12:24:19+04:00",
          "utc": "2004-11-14T08:24:19Z",
          "ms": 1100420659286.3745
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-13T15:31:58+04:00",
          "utc": "2004-11-13T11:31:58Z",
          "ms": 1100345517898.908
        },
        "end": {
          "local": "2004-11-14T12:24:19+04:00",
          "utc": "2004-11-14T08:24:19Z",
          "ms": 1100420659286.3745
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-11-13",
          "window": {
            "start": {
              "local": "2004-11-13T11:42:38+04:00",
              "utc": "2004-11-13T07:42:38Z",
              "ms": 1100331757701.5608
            },
            "end": {
              "local": "2004-11-13T12:30:38+04:00",
              "utc": "2004-11-13T08:30:38Z",
              "ms": 1100334637701.5608
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-11-14",
          "window": {
            "start": {
              "local": "2004-11-14T11:42:47+04:00",
              "utc": "2004-11-14T07:42:47Z",
              "ms": 1100418167084.8647
            },
            "end": {
              "local": "2004-11-14T12:30:47+04:00",
              "utc": "2004-11-14T08:30:47Z",
              "ms": 1100421047084.8647
            }
          },
          "covered_min": 42,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 15:32 on Sat 13 Nov to 12:24 on Sun 14 Nov.",
          "fact": "2004-11-13T11:31:58Z → 2004-11-14T08:24:19Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 13th, 11:43–12:31 on the 14th.",
          "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 13th and 42 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 388 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dvitīyā, Abu Dhabi, 2004: Sunday 14 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "yama-dvitiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Yama Dvitīyā (Bhai Dooj) 2004 falls on Sunday 14 November. Dvitīyā runs from 15:32 on Sat 13 Nov to 12:24 on Sun 14 Nov and covers 42 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/naga-chaturthi",
      "festival": "naga-chaturthi",
      "name": "Nāga Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8970,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-11-15T09:13:27+04:00",
          "utc": "2004-11-15T05:13:27Z",
          "ms": 1100495606964.2185
        },
        "end": {
          "local": "2004-11-16T06:08:12+04:00",
          "utc": "2004-11-16T02:08:12Z",
          "ms": 1100570891882.6216
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-15T09:13:27+04:00",
          "utc": "2004-11-15T05:13:27Z",
          "ms": 1100495606964.2185
        },
        "end": {
          "local": "2004-11-16T06:08:12+04:00",
          "utc": "2004-11-16T02:08:12Z",
          "ms": 1100570891882.6216
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-11-15",
          "window": {
            "start": {
              "local": "2004-11-15T11:42:57+04:00",
              "utc": "2004-11-15T07:42:57Z",
              "ms": 1100504577309.604
            },
            "end": {
              "local": "2004-11-15T12:30:57+04:00",
              "utc": "2004-11-15T08:30:57Z",
              "ms": 1100507457309.604
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-11-16",
          "window": {
            "start": {
              "local": "2004-11-16T11:43:08+04:00",
              "utc": "2004-11-16T07:43:08Z",
              "ms": 1100590988367.3806
            },
            "end": {
              "local": "2004-11-16T12:31:08+04:00",
              "utc": "2004-11-16T08:31:08Z",
              "ms": 1100593868367.3806
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:13 on Mon 15 Nov to 06:08 on Tue 16 Nov.",
          "fact": "2004-11-15T05:13:27Z → 2004-11-16T02:08:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 15th, 11:43–12:31 on the 16th.",
          "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 15th and 0 of 48 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 8970 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Caturthī, Abu Dhabi, 2004: Monday 15 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Nāga Caturthī 2004 falls on Monday 15 November. Caturthī runs from 09:13 on Mon 15 Nov to 06:08 on Tue 16 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-11-15",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8970,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-11-15T09:13:27+04:00",
          "utc": "2004-11-15T05:13:27Z",
          "ms": 1100495606964.2185
        },
        "end": {
          "local": "2004-11-16T06:08:12+04:00",
          "utc": "2004-11-16T02:08:12Z",
          "ms": 1100570891882.6216
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-15T09:13:27+04:00",
          "utc": "2004-11-15T05:13:27Z",
          "ms": 1100495606964.2185
        },
        "end": {
          "local": "2004-11-16T06:08:12+04:00",
          "utc": "2004-11-16T02:08:12Z",
          "ms": 1100570891882.6216
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-11-15",
          "window": {
            "start": {
              "local": "2004-11-15T11:42:57+04:00",
              "utc": "2004-11-15T07:42:57Z",
              "ms": 1100504577309.604
            },
            "end": {
              "local": "2004-11-15T12:30:57+04:00",
              "utc": "2004-11-15T08:30:57Z",
              "ms": 1100507457309.604
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-11-16",
          "window": {
            "start": {
              "local": "2004-11-16T11:43:08+04:00",
              "utc": "2004-11-16T07:43:08Z",
              "ms": 1100590988367.3806
            },
            "end": {
              "local": "2004-11-16T12:31:08+04:00",
              "utc": "2004-11-16T08:31:08Z",
              "ms": 1100593868367.3806
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:13 on Mon 15 Nov to 06:08 on Tue 16 Nov.",
          "fact": "2004-11-15T05:13:27Z → 2004-11-16T02:08:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 15th, 11:43–12:31 on the 16th.",
          "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 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 midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8970 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2004: Monday 15 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2004 falls on Monday 15 November. Caturthī runs from 09:13 on Mon 15 Nov to 06:08 on Tue 16 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-11-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/surya-shashthi",
      "festival": "surya-shashthi",
      "name": "Sūrya Ṣaṣṭhī",
      "everyday": "Chhath",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30399,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2004-11-17T03:16:41+04:00",
          "utc": "2004-11-16T23:16:41Z",
          "ms": 1100647001018.8655
        },
        "end": {
          "local": "2004-11-18T00:45:55+04:00",
          "utc": "2004-11-17T20:45:55Z",
          "ms": 1100724355077.9219
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-17T03:16:41+04:00",
          "utc": "2004-11-16T23:16:41Z",
          "ms": 1100647001018.8655
        },
        "end": {
          "local": "2004-11-18T00:45:55+04:00",
          "utc": "2004-11-17T20:45:55Z",
          "ms": 1100724355077.9219
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-11-17",
          "window": {
            "start": {
              "local": "2004-11-17T11:43:20+04:00",
              "utc": "2004-11-17T07:43:20Z",
              "ms": 1100677400249.6924
            },
            "end": {
              "local": "2004-11-17T12:31:20+04:00",
              "utc": "2004-11-17T08:31:20Z",
              "ms": 1100680280249.6924
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-11-18",
          "window": {
            "start": {
              "local": "2004-11-18T11:43:33+04:00",
              "utc": "2004-11-18T07:43:33Z",
              "ms": 1100763812948.2292
            },
            "end": {
              "local": "2004-11-18T12:31:33+04:00",
              "utc": "2004-11-18T08:31:33Z",
              "ms": 1100766692948.2292
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 03:17 on Wed 17 Nov to 00:46 on Thu 18 Nov.",
          "fact": "2004-11-16T23:16:41Z → 2004-11-17T20:45:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 17th, 11:44–12:32 on the 18th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30399 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī, Abu Dhabi, 2004: Wednesday 17 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "surya-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Sūrya Ṣaṣṭhī (Chhath) 2004 falls on Wednesday 17 November. Ṣaṣṭhī runs from 03:17 on Wed 17 Nov to 00:46 on Thu 18 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/gopashtami",
      "festival": "gopashtami",
      "name": "Gopāṣṭamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30922,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2004-11-18T22:41:28+04:00",
          "utc": "2004-11-18T18:41:28Z",
          "ms": 1100803287666.6543
        },
        "end": {
          "local": "2004-11-19T21:07:09+04:00",
          "utc": "2004-11-19T17:07:09Z",
          "ms": 1100884028946.5422
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-18T22:41:28+04:00",
          "utc": "2004-11-18T18:41:28Z",
          "ms": 1100803287666.6543
        },
        "end": {
          "local": "2004-11-19T21:07:09+04:00",
          "utc": "2004-11-19T17:07:09Z",
          "ms": 1100884028946.5422
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-11-18",
          "window": {
            "start": {
              "local": "2004-11-18T11:43:33+04:00",
              "utc": "2004-11-18T07:43:33Z",
              "ms": 1100763812948.2292
            },
            "end": {
              "local": "2004-11-18T12:31:33+04:00",
              "utc": "2004-11-18T08:31:33Z",
              "ms": 1100766692948.2292
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-11-19",
          "window": {
            "start": {
              "local": "2004-11-19T11:43:46+04:00",
              "utc": "2004-11-19T07:43:46Z",
              "ms": 1100850226454.9478
            },
            "end": {
              "local": "2004-11-19T12:31:46+04:00",
              "utc": "2004-11-19T08:31:46Z",
              "ms": 1100853106454.9478
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 22:41 on Thu 18 Nov to 21:07 on Fri 19 Nov.",
          "fact": "2004-11-18T18:41:28Z → 2004-11-19T17:07:09Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 18th, 11:44–12:32 on the 19th.",
          "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 18th and 48 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30922 s"
        },
        {
          "step": "ruling",
          "text": "Gopāṣṭamī, Abu Dhabi, 2004: Friday 19 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gopashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Gopastami, Gosthastami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Gopāṣṭamī 2004 falls on Friday 19 November. Aṣṭamī runs from 22:41 on Thu 18 Nov to 21:07 on Fri 19 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/akshaya-navami",
      "festival": "akshaya-navami",
      "name": "Akṣaya Navamī",
      "everyday": "Amla Navami",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34487,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2004-11-19T21:07:09+04:00",
          "utc": "2004-11-19T17:07:09Z",
          "ms": 1100884028946.5422
        },
        "end": {
          "local": "2004-11-20T20:04:58+04:00",
          "utc": "2004-11-20T16:04:58Z",
          "ms": 1100966698215.9167
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-19T21:07:09+04:00",
          "utc": "2004-11-19T17:07:09Z",
          "ms": 1100884028946.5422
        },
        "end": {
          "local": "2004-11-20T20:04:58+04:00",
          "utc": "2004-11-20T16:04:58Z",
          "ms": 1100966698215.9167
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2004-11-20",
          "window": {
            "start": {
              "local": "2004-11-20T06:41:56+04:00",
              "utc": "2004-11-20T02:41:56Z",
              "ms": 1100918516411.2856
            },
            "end": {
              "local": "2004-11-20T10:19:19+04:00",
              "utc": "2004-11-20T06:19:19Z",
              "ms": 1100931559311.741
            }
          },
          "covered_min": 217,
          "window_min": 217,
          "qualifies": true
        },
        {
          "local_date": "2004-11-21",
          "window": {
            "start": {
              "local": "2004-11-21T06:42:39+04:00",
              "utc": "2004-11-21T02:42:39Z",
              "ms": 1101004958609.3997
            },
            "end": {
              "local": "2004-11-21T10:19:43+04:00",
              "utc": "2004-11-21T06:19:43Z",
              "ms": 1101017983444.0537
            }
          },
          "covered_min": 0,
          "window_min": 217,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 21:07 on Fri 19 Nov to 20:05 on Sat 20 Nov.",
          "fact": "2004-11-19T17:07:09Z → 2004-11-20T16:04:58Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:42–10:19 on the 20th, 06:43–10:20 on the 21st.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during pūrvāhṇa. It covers 217 of 217 minutes on the 20th and 0 of 217 on the 21st.",
          "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 34487 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Navamī, Abu Dhabi, 2004: Saturday 20 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akshaya-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata."
          }
        ],
        "kaala": "purvahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Akṣaya Navamī (Amla Navami) 2004 falls on Saturday 20 November. Navamī runs from 21:07 on Fri 19 Nov to 20:05 on Sat 20 Nov and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/durga-navami",
      "festival": "durga-navami",
      "name": "Durgā Navamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27177,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2004-11-19T21:07:09+04:00",
          "utc": "2004-11-19T17:07:09Z",
          "ms": 1100884028946.5422
        },
        "end": {
          "local": "2004-11-20T20:04:58+04:00",
          "utc": "2004-11-20T16:04:58Z",
          "ms": 1100966698215.9167
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-19T21:07:09+04:00",
          "utc": "2004-11-19T17:07:09Z",
          "ms": 1100884028946.5422
        },
        "end": {
          "local": "2004-11-20T20:04:58+04:00",
          "utc": "2004-11-20T16:04:58Z",
          "ms": 1100966698215.9167
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-11-19",
          "window": {
            "start": {
              "local": "2004-11-19T11:43:46+04:00",
              "utc": "2004-11-19T07:43:46Z",
              "ms": 1100850226454.9478
            },
            "end": {
              "local": "2004-11-19T12:31:46+04:00",
              "utc": "2004-11-19T08:31:46Z",
              "ms": 1100853106454.9478
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-11-20",
          "window": {
            "start": {
              "local": "2004-11-20T11:44:01+04:00",
              "utc": "2004-11-20T07:44:01Z",
              "ms": 1100936640761.9688
            },
            "end": {
              "local": "2004-11-20T12:32:01+04:00",
              "utc": "2004-11-20T08:32:01Z",
              "ms": 1100939520761.9688
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 21:07 on Fri 19 Nov to 20:05 on Sat 20 Nov.",
          "fact": "2004-11-19T17:07:09Z → 2004-11-20T16:04:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 19th, 11:44–12:32 on the 20th.",
          "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 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: purvaviddha → only-day · margin 27177 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Navamī, Abu Dhabi, 2004: Saturday 20 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "durga-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Durgā Navamī 2004 falls on Saturday 20 November. Navamī runs from 21:07 on Fri 19 Nov to 20:05 on Sat 20 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ekadashi?on=2004-11-22",
      "festival": "ekadashi",
      "name": "Prabodhinī Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 40052,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-11-21T19:35:09+04:00",
          "utc": "2004-11-21T15:35:09Z",
          "ms": 1101051309457.8228
        },
        "end": {
          "local": "2004-11-22T19:36:31+04:00",
          "utc": "2004-11-22T15:36:31Z",
          "ms": 1101137790937.6685
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-21T19:35:09+04:00",
          "utc": "2004-11-21T15:35:09Z",
          "ms": 1101051309457.8228
        },
        "end": {
          "local": "2004-11-22T19:36:31+04:00",
          "utc": "2004-11-22T15:36:31Z",
          "ms": 1101137790937.6685
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-11-22",
          "window": {
            "start": {
              "local": "2004-11-22T06:43:21+04:00",
              "utc": "2004-11-22T02:43:21Z",
              "ms": 1101091400916.622
            },
            "end": {
              "local": "2004-11-22T06:43:21+04:00",
              "utc": "2004-11-22T02:43:21Z",
              "ms": 1101091400916.622
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2004-11-23",
          "window": {
            "start": {
              "local": "2004-11-23T06:44:03+04:00",
              "utc": "2004-11-23T02:44:03Z",
              "ms": 1101177843307.5698
            },
            "end": {
              "local": "2004-11-23T06:44:03+04:00",
              "utc": "2004-11-23T02:44:03Z",
              "ms": 1101177843307.5698
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 19:35 on Sun 21 Nov to 19:37 on Mon 22 Nov.",
          "fact": "2004-11-21T15:35:09Z → 2004-11-22T15:36:31Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:43 on the 22nd and 06:44 on the 23rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 22nd and is not on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 40052 s"
        },
        {
          "step": "ruling",
          "text": "Prabodhinī Ekādaśī, Abu Dhabi, 2004: Monday 22 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": "2004-11-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Prabodhinī Ekādaśī 2004 falls on Monday 22 November. Ekādaśī runs from 19:35 on Sun 21 Nov to 19:37 on Mon 22 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-11-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-11-24",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2872,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-11-23T20:06:55+04:00",
          "utc": "2004-11-23T16:06:55Z",
          "ms": 1101226015110.3345
        },
        "end": {
          "local": "2004-11-24T21:03:51+04:00",
          "utc": "2004-11-24T17:03:51Z",
          "ms": 1101315830532.8364
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-23T20:06:55+04:00",
          "utc": "2004-11-23T16:06:55Z",
          "ms": 1101226015110.3345
        },
        "end": {
          "local": "2004-11-24T21:03:51+04:00",
          "utc": "2004-11-24T17:03:51Z",
          "ms": 1101315830532.8364
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-11-23",
          "window": {
            "start": {
              "local": "2004-11-23T17:33:34+04:00",
              "utc": "2004-11-23T13:33:34Z",
              "ms": 1101216813500.902
            },
            "end": {
              "local": "2004-11-23T19:19:03+04:00",
              "utc": "2004-11-23T15:19:03Z",
              "ms": 1101223143134.9722
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        },
        {
          "local_date": "2004-11-24",
          "window": {
            "start": {
              "local": "2004-11-24T17:33:26+04:00",
              "utc": "2004-11-24T13:33:26Z",
              "ms": 1101303205903.065
            },
            "end": {
              "local": "2004-11-24T19:19:02+04:00",
              "utc": "2004-11-24T15:19:02Z",
              "ms": 1101309542214.2197
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:07 on Tue 23 Nov to 21:04 on Wed 24 Nov.",
          "fact": "2004-11-23T16:06:55Z → 2004-11-24T17:03:51Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:34–19:19 on the 23rd, 17:33–19:19 on the 24th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 105 minutes on the 23rd and 106 of 106 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 2872 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2004: Wednesday 24 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-24",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2004 falls on Wednesday 24 November. Trayodaśī runs from 20:07 on Tue 23 Nov to 21:04 on Wed 24 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-11-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/kartiki-purnima",
      "festival": "kartiki-purnima",
      "name": "Kārtikī Pūrṇimā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35482,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2004-11-25T22:24:46+04:00",
          "utc": "2004-11-25T18:24:46Z",
          "ms": 1101407085588.5254
        },
        "end": {
          "local": "2004-11-27T00:07:16+04:00",
          "utc": "2004-11-26T20:07:16Z",
          "ms": 1101499635651.1597
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-25T22:24:46+04:00",
          "utc": "2004-11-25T18:24:46Z",
          "ms": 1101407085588.5254
        },
        "end": {
          "local": "2004-11-27T00:07:16+04:00",
          "utc": "2004-11-26T20:07:16Z",
          "ms": 1101499635651.1597
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-11-25",
          "window": {
            "start": {
              "local": "2004-11-25T11:45:24+04:00",
              "utc": "2004-11-25T07:45:24Z",
              "ms": 1101368724011.4238
            },
            "end": {
              "local": "2004-11-25T12:33:24+04:00",
              "utc": "2004-11-25T08:33:24Z",
              "ms": 1101371604011.4238
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-11-26",
          "window": {
            "start": {
              "local": "2004-11-26T11:45:43+04:00",
              "utc": "2004-11-26T07:45:43Z",
              "ms": 1101455142938.1738
            },
            "end": {
              "local": "2004-11-26T12:33:43+04:00",
              "utc": "2004-11-26T08:33:43Z",
              "ms": 1101458022938.1738
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 22:25 on Thu 25 Nov to 00:07 on Sat 27 Nov.",
          "fact": "2004-11-25T18:24:46Z → 2004-11-26T20:07:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 25th, 11:46–12:34 on the 26th.",
          "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 25th and 48 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 35482 s"
        },
        {
          "step": "ruling",
          "text": "Kārtikī Pūrṇimā, Abu Dhabi, 2004: Friday 26 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kartiki-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kārtikī Pūrṇimā 2004 falls on Friday 26 November. Pūrṇimā runs from 22:25 on Thu 25 Nov to 00:07 on Sat 27 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/rasayatra",
      "festival": "rasayatra",
      "name": "Rāsayātrā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1271,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2004-11-25T22:24:46+04:00",
          "utc": "2004-11-25T18:24:46Z",
          "ms": 1101407085588.5254
        },
        "end": {
          "local": "2004-11-27T00:07:16+04:00",
          "utc": "2004-11-26T20:07:16Z",
          "ms": 1101499635651.1597
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-25T22:24:46+04:00",
          "utc": "2004-11-25T18:24:46Z",
          "ms": 1101407085588.5254
        },
        "end": {
          "local": "2004-11-27T00:07:16+04:00",
          "utc": "2004-11-26T20:07:16Z",
          "ms": 1101499635651.1597
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2004-11-25",
          "window": {
            "start": {
              "local": "2004-11-25T23:45:45+04:00",
              "utc": "2004-11-25T19:45:45Z",
              "ms": 1101411945253.6318
            },
            "end": {
              "local": "2004-11-26T00:33:45+04:00",
              "utc": "2004-11-25T20:33:45Z",
              "ms": 1101414825253.6318
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-11-26",
          "window": {
            "start": {
              "local": "2004-11-26T23:46:04+04:00",
              "utc": "2004-11-26T19:46:04Z",
              "ms": 1101498364168.2773
            },
            "end": {
              "local": "2004-11-27T00:34:04+04:00",
              "utc": "2004-11-26T20:34:04Z",
              "ms": 1101501244168.2773
            }
          },
          "covered_min": 21,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 22:25 on Thu 25 Nov to 00:07 on Sat 27 Nov.",
          "fact": "2004-11-25T18:24:46Z → 2004-11-26T20:07:16Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:46–00:34 on the 25th, 23:46–00:34 on the 26th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 25th and 21 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Both nights qualify. Paraviddhā: the second is taken.",
          "fact": "priority: paraviddha → paraviddha · margin 1271 s"
        },
        {
          "step": "ruling",
          "text": "Rāsayātrā, Abu Dhabi, 2004: Friday 26 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rasayatra",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima."
          }
        ],
        "kaala": "nishita",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Rāsayātrā 2004 falls on Friday 26 November. Pūrṇimā runs from 22:25 on Thu 25 Nov to 00:07 on Sat 27 Nov and covers 21 of 48 minutes of niśītha that night. It also reaches the previous night for 48 minutes; by the rule the second night is taken.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-11-30",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-11-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 40996,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-11-30T06:55:22+04:00",
          "utc": "2004-11-30T02:55:22Z",
          "ms": 1101783322368.1035
        },
        "end": {
          "local": "2004-12-01T09:29:34+04:00",
          "utc": "2004-12-01T05:29:34Z",
          "ms": 1101878973864.802
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-11-30T06:55:22+04:00",
          "utc": "2004-11-30T02:55:22Z",
          "ms": 1101783322368.1035
        },
        "end": {
          "local": "2004-12-01T09:29:34+04:00",
          "utc": "2004-12-01T05:29:34Z",
          "ms": 1101878973864.802
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-11-29",
          "window": {
            "start": {
              "local": "2004-11-29T19:32:06+04:00",
              "utc": "2004-11-29T15:32:06Z",
              "ms": 1101742326009.7625
            },
            "end": {
              "local": "2004-11-29T19:32:06+04:00",
              "utc": "2004-11-29T15:32:06Z",
              "ms": 1101742326009.7625
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-11-30",
          "window": {
            "start": {
              "local": "2004-11-30T20:25:35+04:00",
              "utc": "2004-11-30T16:25:35Z",
              "ms": 1101831935344.1497
            },
            "end": {
              "local": "2004-11-30T20:25:35+04:00",
              "utc": "2004-11-30T16:25:35Z",
              "ms": 1101831935344.1497
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:55 on Tue 30 Nov to 09:30 on Wed 1 Dec.",
          "fact": "2004-11-30T02:55:22Z → 2004-12-01T05:29:34Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:32 on the 29th and 20:26 on the 30th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 29th and is on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 40996 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2004: Tuesday 30 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-11-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-11-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2004 falls on Tuesday 30 November. Caturthī runs from 06:55 on Tue 30 Nov to 09:30 on Wed 1 Dec and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-11-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/ekadashi?on=2004-12-08",
      "festival": "ekadashi",
      "name": "Utpannā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-12-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34858,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-12-07T17:41:51+04:00",
          "utc": "2004-12-07T13:41:51Z",
          "ms": 1102426910821.251
        },
        "end": {
          "local": "2004-12-08T16:35:27+04:00",
          "utc": "2004-12-08T12:35:27Z",
          "ms": 1102509327137.1824
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-12-07T17:41:51+04:00",
          "utc": "2004-12-07T13:41:51Z",
          "ms": 1102426910821.251
        },
        "end": {
          "local": "2004-12-08T16:35:27+04:00",
          "utc": "2004-12-08T12:35:27Z",
          "ms": 1102509327137.1824
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-12-07",
          "window": {
            "start": {
              "local": "2004-12-07T06:53:49+04:00",
              "utc": "2004-12-07T02:53:49Z",
              "ms": 1102388029400.8438
            },
            "end": {
              "local": "2004-12-07T06:53:49+04:00",
              "utc": "2004-12-07T02:53:49Z",
              "ms": 1102388029400.8438
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-12-08",
          "window": {
            "start": {
              "local": "2004-12-08T06:54:29+04:00",
              "utc": "2004-12-08T02:54:29Z",
              "ms": 1102474469400.3032
            },
            "end": {
              "local": "2004-12-08T06:54:29+04:00",
              "utc": "2004-12-08T02:54:29Z",
              "ms": 1102474469400.3032
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 17:42 on Tue 7 Dec to 16:35 on Wed 8 Dec.",
          "fact": "2004-12-07T13:41:51Z → 2004-12-08T12:35:27Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:54 on the 7th and 06:54 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 34858 s"
        },
        {
          "step": "ruling",
          "text": "Utpannā Ekādaśī, Abu Dhabi, 2004: Wednesday 8 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": "2004-12-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-12-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Utpannā Ekādaśī 2004 falls on Wednesday 8 December. Ekādaśī runs from 17:42 on Tue 7 Dec to 16:35 on Wed 8 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-12-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-12-09",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-12-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10354,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-12-09T14:41:56+04:00",
          "utc": "2004-12-09T10:41:56Z",
          "ms": 1102588915625.0205
        },
        "end": {
          "local": "2004-12-10T12:07:13+04:00",
          "utc": "2004-12-10T08:07:13Z",
          "ms": 1102666032710.6003
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-12-09T14:41:56+04:00",
          "utc": "2004-12-09T10:41:56Z",
          "ms": 1102588915625.0205
        },
        "end": {
          "local": "2004-12-10T12:07:13+04:00",
          "utc": "2004-12-10T08:07:13Z",
          "ms": 1102666032710.6003
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-12-09",
          "window": {
            "start": {
              "local": "2004-12-09T17:34:30+04:00",
              "utc": "2004-12-09T13:34:30Z",
              "ms": 1102599269993.3052
            },
            "end": {
              "local": "2004-12-09T19:21:20+04:00",
              "utc": "2004-12-09T15:21:20Z",
              "ms": 1102605680394.457
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        },
        {
          "local_date": "2004-12-10",
          "window": {
            "start": {
              "local": "2004-12-10T17:34:46+04:00",
              "utc": "2004-12-10T13:34:46Z",
              "ms": 1102685685884.7043
            },
            "end": {
              "local": "2004-12-10T19:21:39+04:00",
              "utc": "2004-12-10T15:21:39Z",
              "ms": 1102692099302.3298
            }
          },
          "covered_min": 0,
          "window_min": 107,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 14:42 on Thu 9 Dec to 12:07 on Fri 10 Dec.",
          "fact": "2004-12-09T10:41:56Z → 2004-12-10T08:07:13Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:34–19:21 on the 9th, 17:35–19:22 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 107 of 107 minutes on the 9th and 0 of 107 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 10354 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2004: Thursday 9 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": "2004-12-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-12-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2004 falls on Thursday 9 December. Trayodaśī runs from 14:42 on Thu 9 Dec to 12:07 on Fri 10 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-12-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/shivaratri?on=2004-12-10",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-12-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30001,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2004-12-10T12:07:13+04:00",
          "utc": "2004-12-10T08:07:13Z",
          "ms": 1102666032710.6003
        },
        "end": {
          "local": "2004-12-11T08:59:37+04:00",
          "utc": "2004-12-11T04:59:37Z",
          "ms": 1102741176798.1514
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-12-10T12:07:13+04:00",
          "utc": "2004-12-10T08:07:13Z",
          "ms": 1102666032710.6003
        },
        "end": {
          "local": "2004-12-11T08:59:37+04:00",
          "utc": "2004-12-11T04:59:37Z",
          "ms": 1102741176798.1514
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2004-12-09",
          "window": {
            "start": {
              "local": "2004-12-09T23:51:09+04:00",
              "utc": "2004-12-09T19:51:09Z",
              "ms": 1102621868997.625
            },
            "end": {
              "local": "2004-12-10T00:39:09+04:00",
              "utc": "2004-12-09T20:39:09Z",
              "ms": 1102624748997.625
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-12-10",
          "window": {
            "start": {
              "local": "2004-12-10T23:51:36+04:00",
              "utc": "2004-12-10T19:51:36Z",
              "ms": 1102708296200.7998
            },
            "end": {
              "local": "2004-12-11T00:39:36+04:00",
              "utc": "2004-12-10T20:39:36Z",
              "ms": 1102711176200.7998
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 12:07 on Fri 10 Dec to 09:00 on Sat 11 Dec.",
          "fact": "2004-12-10T08:07:13Z → 2004-12-11T04:59:37Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:51–00:39 on the 9th, 23:52–00:40 on the 10th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30001 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2004: Friday 10 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": "2004-12-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-12-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2004 falls on Friday 10 December. Caturdaśī runs from 12:07 on Fri 10 Dec to 09:00 on Sat 11 Dec and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/shivaratri?on=2004-12-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-12-15",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-12-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9262,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-12-14T18:29:00+04:00",
          "utc": "2004-12-14T14:29:00Z",
          "ms": 1103034539977.5896
        },
        "end": {
          "local": "2004-12-15T15:16:02+04:00",
          "utc": "2004-12-15T11:16:02Z",
          "ms": 1103109361818.8533
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-12-14T18:29:00+04:00",
          "utc": "2004-12-14T14:29:00Z",
          "ms": 1103034539977.5896
        },
        "end": {
          "local": "2004-12-15T15:16:02+04:00",
          "utc": "2004-12-15T11:16:02Z",
          "ms": 1103109361818.8533
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-12-14",
          "window": {
            "start": {
              "local": "2004-12-14T11:53:11+04:00",
              "utc": "2004-12-14T07:53:11Z",
              "ms": 1103010790612.4775
            },
            "end": {
              "local": "2004-12-14T12:41:11+04:00",
              "utc": "2004-12-14T08:41:11Z",
              "ms": 1103013670612.4775
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-12-15",
          "window": {
            "start": {
              "local": "2004-12-15T11:53:40+04:00",
              "utc": "2004-12-15T07:53:40Z",
              "ms": 1103097219786.317
            },
            "end": {
              "local": "2004-12-15T12:41:40+04:00",
              "utc": "2004-12-15T08:41:40Z",
              "ms": 1103100099786.317
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:29 on Tue 14 Dec to 15:16 on Wed 15 Dec.",
          "fact": "2004-12-14T14:29:00Z → 2004-12-15T11:16:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 14th, 11:54–12:42 on the 15th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 9262 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2004: Wednesday 15 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-12-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-12-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2004 falls on Wednesday 15 December. Caturthī runs from 18:29 on Tue 14 Dec to 15:16 on Wed 15 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/vinayaka-chaturthi?on=2004-12-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/naga-panchami-margashirsha",
      "festival": "naga-panchami-margashirsha",
      "name": "Nāga Pañcamī (Mārgaśīrṣa)",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-12-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 550,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2004-12-15T15:16:02+04:00",
          "utc": "2004-12-15T11:16:02Z",
          "ms": 1103109361818.8533
        },
        "end": {
          "local": "2004-12-16T12:33:00+04:00",
          "utc": "2004-12-16T08:33:00Z",
          "ms": 1103185979600.2993
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-12-15T15:16:02+04:00",
          "utc": "2004-12-15T11:16:02Z",
          "ms": 1103109361818.8533
        },
        "end": {
          "local": "2004-12-16T12:33:00+04:00",
          "utc": "2004-12-16T08:33:00Z",
          "ms": 1103185979600.2993
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-12-15",
          "window": {
            "start": {
              "local": "2004-12-15T11:53:40+04:00",
              "utc": "2004-12-15T07:53:40Z",
              "ms": 1103097219786.317
            },
            "end": {
              "local": "2004-12-15T12:41:40+04:00",
              "utc": "2004-12-15T08:41:40Z",
              "ms": 1103100099786.317
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2004-12-16",
          "window": {
            "start": {
              "local": "2004-12-16T11:54:09+04:00",
              "utc": "2004-12-16T07:54:09Z",
              "ms": 1103183649187.2148
            },
            "end": {
              "local": "2004-12-16T12:42:09+04:00",
              "utc": "2004-12-16T08:42:09Z",
              "ms": 1103186529187.2148
            }
          },
          "covered_min": 39,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 15:16 on Wed 15 Dec to 12:33 on Thu 16 Dec.",
          "fact": "2004-12-15T11:16:02Z → 2004-12-16T08:33:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 15th, 11:54–12:42 on the 16th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 39 of 48 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 550 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī (Mārgaśīrṣa), Abu Dhabi, 2004: Thursday 16 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-panchami-margashirsha",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Naga pancami (2nd) (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-12-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-12-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Nāga Pañcamī (Mārgaśīrṣa) 2004 falls on Thursday 16 December. Pañcamī runs from 15:16 on Wed 15 Dec to 12:33 on Thu 16 Dec and covers 39 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/champa-shashthi",
      "festival": "champa-shashthi",
      "name": "Campā Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-12-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 550,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2004-12-16T12:33:00+04:00",
          "utc": "2004-12-16T08:33:00Z",
          "ms": 1103185979600.2993
        },
        "end": {
          "local": "2004-12-17T10:27:25+04:00",
          "utc": "2004-12-17T06:27:25Z",
          "ms": 1103264845198.116
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-12-16T12:33:00+04:00",
          "utc": "2004-12-16T08:33:00Z",
          "ms": 1103185979600.2993
        },
        "end": {
          "local": "2004-12-17T10:27:25+04:00",
          "utc": "2004-12-17T06:27:25Z",
          "ms": 1103264845198.116
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-12-16",
          "window": {
            "start": {
              "local": "2004-12-16T11:54:09+04:00",
              "utc": "2004-12-16T07:54:09Z",
              "ms": 1103183649187.2148
            },
            "end": {
              "local": "2004-12-16T12:42:09+04:00",
              "utc": "2004-12-16T08:42:09Z",
              "ms": 1103186529187.2148
            }
          },
          "covered_min": 9,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-12-17",
          "window": {
            "start": {
              "local": "2004-12-17T11:54:39+04:00",
              "utc": "2004-12-17T07:54:39Z",
              "ms": 1103270078778.9126
            },
            "end": {
              "local": "2004-12-17T12:42:39+04:00",
              "utc": "2004-12-17T08:42:39Z",
              "ms": 1103272958778.9126
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 12:33 on Thu 16 Dec to 10:27 on Fri 17 Dec.",
          "fact": "2004-12-16T08:33:00Z → 2004-12-17T06:27:25Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 16th, 11:55–12:43 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 9 of 48 minutes on the 16th and 0 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 550 s"
        },
        {
          "step": "ruling",
          "text": "Campā Ṣaṣṭhī, Abu Dhabi, 2004: Thursday 16 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "champa-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi"
          }
        ],
        "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.",
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-12-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-12-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Campā Ṣaṣṭhī 2004 falls on Thursday 16 December. Ṣaṣṭhī runs from 12:33 on Thu 16 Dec to 10:27 on Fri 17 Dec and covers 9 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/skanda-shashthi",
      "festival": "skanda-shashthi",
      "name": "Skanda Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-12-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 550,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2004-12-16T12:33:00+04:00",
          "utc": "2004-12-16T08:33:00Z",
          "ms": 1103185979600.2993
        },
        "end": {
          "local": "2004-12-17T10:27:25+04:00",
          "utc": "2004-12-17T06:27:25Z",
          "ms": 1103264845198.116
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-12-16T12:33:00+04:00",
          "utc": "2004-12-16T08:33:00Z",
          "ms": 1103185979600.2993
        },
        "end": {
          "local": "2004-12-17T10:27:25+04:00",
          "utc": "2004-12-17T06:27:25Z",
          "ms": 1103264845198.116
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-12-16",
          "window": {
            "start": {
              "local": "2004-12-16T11:54:09+04:00",
              "utc": "2004-12-16T07:54:09Z",
              "ms": 1103183649187.2148
            },
            "end": {
              "local": "2004-12-16T12:42:09+04:00",
              "utc": "2004-12-16T08:42:09Z",
              "ms": 1103186529187.2148
            }
          },
          "covered_min": 9,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-12-17",
          "window": {
            "start": {
              "local": "2004-12-17T11:54:39+04:00",
              "utc": "2004-12-17T07:54:39Z",
              "ms": 1103270078778.9126
            },
            "end": {
              "local": "2004-12-17T12:42:39+04:00",
              "utc": "2004-12-17T08:42:39Z",
              "ms": 1103272958778.9126
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 12:33 on Thu 16 Dec to 10:27 on Fri 17 Dec.",
          "fact": "2004-12-16T08:33:00Z → 2004-12-17T06:27:25Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 16th, 11:55–12:43 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 9 of 48 minutes on the 16th and 0 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 550 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī, Abu Dhabi, 2004: Thursday 16 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "skanda-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-12-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-12-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Skanda Ṣaṣṭhī 2004 falls on Thursday 16 December. Ṣaṣṭhī runs from 12:33 on Thu 16 Dec to 10:27 on Fri 17 Dec and covers 9 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/mitra-saptami",
      "festival": "mitra-saptami",
      "name": "Mitra Saptamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-12-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5234,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2004-12-17T10:27:25+04:00",
          "utc": "2004-12-17T06:27:25Z",
          "ms": 1103264845198.116
        },
        "end": {
          "local": "2004-12-18T09:04:24+04:00",
          "utc": "2004-12-18T05:04:24Z",
          "ms": 1103346263754.8525
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-12-17T10:27:25+04:00",
          "utc": "2004-12-17T06:27:25Z",
          "ms": 1103264845198.116
        },
        "end": {
          "local": "2004-12-18T09:04:24+04:00",
          "utc": "2004-12-18T05:04:24Z",
          "ms": 1103346263754.8525
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-12-17",
          "window": {
            "start": {
              "local": "2004-12-17T11:54:39+04:00",
              "utc": "2004-12-17T07:54:39Z",
              "ms": 1103270078778.9126
            },
            "end": {
              "local": "2004-12-17T12:42:39+04:00",
              "utc": "2004-12-17T08:42:39Z",
              "ms": 1103272958778.9126
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-12-18",
          "window": {
            "start": {
              "local": "2004-12-18T11:55:09+04:00",
              "utc": "2004-12-18T07:55:09Z",
              "ms": 1103356508526.3298
            },
            "end": {
              "local": "2004-12-18T12:43:09+04:00",
              "utc": "2004-12-18T08:43:09Z",
              "ms": 1103359388526.3298
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 10:27 on Fri 17 Dec to 09:04 on Sat 18 Dec.",
          "fact": "2004-12-17T06:27:25Z → 2004-12-18T05:04:24Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 17th, 11:55–12:43 on the 18th.",
          "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 17th and 0 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 5234 s"
        },
        {
          "step": "ruling",
          "text": "Mitra Saptamī, Abu Dhabi, 2004: Friday 17 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mitra-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Mitra saptami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-12-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-12-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Mitra Saptamī 2004 falls on Friday 17 December. Saptamī runs from 10:27 on Fri 17 Dec to 09:04 on Sat 18 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/ekadashi?on=2004-12-22",
      "festival": "ekadashi",
      "name": "Mokṣadā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-12-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8025,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2004-12-21T09:15:57+04:00",
          "utc": "2004-12-21T05:15:57Z",
          "ms": 1103606157438.6
        },
        "end": {
          "local": "2004-12-22T10:34:08+04:00",
          "utc": "2004-12-22T06:34:08Z",
          "ms": 1103697247695.875
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-12-21T09:15:57+04:00",
          "utc": "2004-12-21T05:15:57Z",
          "ms": 1103606157438.6
        },
        "end": {
          "local": "2004-12-22T10:34:08+04:00",
          "utc": "2004-12-22T06:34:08Z",
          "ms": 1103697247695.875
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2004-12-21",
          "window": {
            "start": {
              "local": "2004-12-21T07:02:12+04:00",
              "utc": "2004-12-21T03:02:12Z",
              "ms": 1103598132105.6875
            },
            "end": {
              "local": "2004-12-21T07:02:12+04:00",
              "utc": "2004-12-21T03:02:12Z",
              "ms": 1103598132105.6875
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-12-22",
          "window": {
            "start": {
              "local": "2004-12-22T07:02:42+04:00",
              "utc": "2004-12-22T03:02:42Z",
              "ms": 1103684561809.1216
            },
            "end": {
              "local": "2004-12-22T07:02:42+04:00",
              "utc": "2004-12-22T03:02:42Z",
              "ms": 1103684561809.1216
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 09:16 on Tue 21 Dec to 10:34 on Wed 22 Dec.",
          "fact": "2004-12-21T05:15:57Z → 2004-12-22T06:34:08Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:02 on the 21st and 07:03 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 8025 s"
        },
        {
          "step": "ruling",
          "text": "Mokṣadā Ekādaśī, Abu Dhabi, 2004: Wednesday 22 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-12-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-12-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Mokṣadā Ekādaśī 2004 falls on Wednesday 22 December. Ekādaśī runs from 09:16 on Tue 21 Dec to 10:34 on Wed 22 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/ekadashi?on=2004-12-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/akhanda-dvadashi",
      "festival": "akhanda-dvadashi",
      "name": "Akhaṇḍa Dvādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-12-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1260,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2004-12-22T10:34:08+04:00",
          "utc": "2004-12-22T06:34:08Z",
          "ms": 1103697247695.875
        },
        "end": {
          "local": "2004-12-23T12:18:39+04:00",
          "utc": "2004-12-23T08:18:39Z",
          "ms": 1103789918909.036
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-12-22T10:34:08+04:00",
          "utc": "2004-12-22T06:34:08Z",
          "ms": 1103697247695.875
        },
        "end": {
          "local": "2004-12-23T12:18:39+04:00",
          "utc": "2004-12-23T08:18:39Z",
          "ms": 1103789918909.036
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2004-12-22",
          "window": {
            "start": {
              "local": "2004-12-22T11:57:08+04:00",
              "utc": "2004-12-22T07:57:08Z",
              "ms": 1103702228403.4565
            },
            "end": {
              "local": "2004-12-22T12:45:08+04:00",
              "utc": "2004-12-22T08:45:08Z",
              "ms": 1103705108403.4565
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2004-12-23",
          "window": {
            "start": {
              "local": "2004-12-23T11:57:38+04:00",
              "utc": "2004-12-23T07:57:38Z",
              "ms": 1103788658432.6345
            },
            "end": {
              "local": "2004-12-23T12:45:38+04:00",
              "utc": "2004-12-23T08:45:38Z",
              "ms": 1103791538432.6345
            }
          },
          "covered_min": 21,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 10:34 on Wed 22 Dec to 12:19 on Thu 23 Dec.",
          "fact": "2004-12-22T06:34:08Z → 2004-12-23T08:18:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 22nd, 11:58–12:46 on the 23rd.",
          "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 22nd and 21 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Paraviddhā: the second is taken.",
          "fact": "priority: paraviddha → paraviddha · margin 1260 s"
        },
        {
          "step": "ruling",
          "text": "Akhaṇḍa Dvādaśī, Abu Dhabi, 2004: Thursday 23 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akhanda-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-12-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-12-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Akhaṇḍa Dvādaśī 2004 falls on Thursday 23 December. Dvādaśī runs from 10:34 on Wed 22 Dec to 12:19 on Thu 23 Dec and covers 21 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-12-23",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-12-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11882,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2004-12-23T12:18:39+04:00",
          "utc": "2004-12-23T08:18:39Z",
          "ms": 1103789918909.036
        },
        "end": {
          "local": "2004-12-24T14:22:37+04:00",
          "utc": "2004-12-24T10:22:37Z",
          "ms": 1103883757157.0208
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-12-23T12:18:39+04:00",
          "utc": "2004-12-23T08:18:39Z",
          "ms": 1103789918909.036
        },
        "end": {
          "local": "2004-12-24T14:22:37+04:00",
          "utc": "2004-12-24T10:22:37Z",
          "ms": 1103883757157.0208
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-12-23",
          "window": {
            "start": {
              "local": "2004-12-23T17:40:06+04:00",
              "utc": "2004-12-23T13:40:06Z",
              "ms": 1103809206375.0332
            },
            "end": {
              "local": "2004-12-23T19:27:15+04:00",
              "utc": "2004-12-23T15:27:15Z",
              "ms": 1103815634607.5688
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        },
        {
          "local_date": "2004-12-24",
          "window": {
            "start": {
              "local": "2004-12-24T17:40:39+04:00",
              "utc": "2004-12-24T13:40:39Z",
              "ms": 1103895638725.9548
            },
            "end": {
              "local": "2004-12-24T19:27:46+04:00",
              "utc": "2004-12-24T15:27:46Z",
              "ms": 1103902066184.7217
            }
          },
          "covered_min": 0,
          "window_min": 107,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 12:19 on Thu 23 Dec to 14:23 on Fri 24 Dec.",
          "fact": "2004-12-23T08:18:39Z → 2004-12-24T10:22:37Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:40–19:27 on the 23rd, 17:41–19:28 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 107 of 107 minutes on the 23rd and 0 of 107 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 11882 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2004: Thursday 23 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": "2004-12-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-12-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2004 falls on Thursday 23 December. Trayodaśī runs from 12:19 on Thu 23 Dec to 14:23 on Fri 24 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/pradosha-vrata?on=2004-12-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2004/dattatreyotpatti",
      "festival": "dattatreyotpatti",
      "name": "Dattātreyotpatti",
      "everyday": "Datta Jayanti",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-12-25",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1351,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2004-12-25T16:40:06+04:00",
          "utc": "2004-12-25T12:40:06Z",
          "ms": 1103978406177.2812
        },
        "end": {
          "local": "2004-12-26T19:06:20+04:00",
          "utc": "2004-12-26T15:06:20Z",
          "ms": 1104073580095.381
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-12-25T16:40:06+04:00",
          "utc": "2004-12-25T12:40:06Z",
          "ms": 1103978406177.2812
        },
        "end": {
          "local": "2004-12-26T19:06:20+04:00",
          "utc": "2004-12-26T15:06:20Z",
          "ms": 1104073580095.381
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2004-12-25",
          "window": {
            "start": {
              "local": "2004-12-25T17:41:12+04:00",
              "utc": "2004-12-25T13:41:12Z",
              "ms": 1103982072017.3062
            },
            "end": {
              "local": "2004-12-25T19:28:18+04:00",
              "utc": "2004-12-25T15:28:18Z",
              "ms": 1103988498429.052
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        },
        {
          "local_date": "2004-12-26",
          "window": {
            "start": {
              "local": "2004-12-26T17:41:46+04:00",
              "utc": "2004-12-26T13:41:46Z",
              "ms": 1104068506215.349
            },
            "end": {
              "local": "2004-12-26T19:28:51+04:00",
              "utc": "2004-12-26T15:28:51Z",
              "ms": 1104074931307.7493
            }
          },
          "covered_min": 85,
          "window_min": 107,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 16:40 on Sat 25 Dec to 19:06 on Sun 26 Dec.",
          "fact": "2004-12-25T12:40:06Z → 2004-12-26T15:06:20Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:41–19:28 on the 25th, 17:42–19:29 on the 26th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 107 of 107 minutes on the 25th and 85 of 107 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 1351 s"
        },
        {
          "step": "ruling",
          "text": "Dattātreyotpatti, Abu Dhabi, 2004: Saturday 25 December.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "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": "2004-12-25",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-12-25",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Dattātreyotpatti (Datta Jayanti) 2004 falls on Saturday 25 December. Pūrṇimā runs from 16:40 on Sat 25 Dec to 19:06 on Sun 26 Dec and covers all of pradoṣa that evening. It also reaches the next evening for 85 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/abu-dhabi/festivals/2004/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": "/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-12-30",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2004,
      "local_date": "2004-12-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23319,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2004-12-30T02:37:40+04:00",
          "utc": "2004-12-29T22:37:40Z",
          "ms": 1104359860238.5745
        },
        "end": {
          "local": "2004-12-31T04:56:14+04:00",
          "utc": "2004-12-31T00:56:14Z",
          "ms": 1104454573538.583
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2004-12-30T02:37:40+04:00",
          "utc": "2004-12-29T22:37:40Z",
          "ms": 1104359860238.5745
        },
        "end": {
          "local": "2004-12-31T04:56:14+04:00",
          "utc": "2004-12-31T00:56:14Z",
          "ms": 1104454573538.583
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2004-12-29",
          "window": {
            "start": {
              "local": "2004-12-29T20:09:01+04:00",
              "utc": "2004-12-29T16:09:01Z",
              "ms": 1104336541045.1204
            },
            "end": {
              "local": "2004-12-29T20:09:01+04:00",
              "utc": "2004-12-29T16:09:01Z",
              "ms": 1104336541045.1204
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2004-12-30",
          "window": {
            "start": {
              "local": "2004-12-30T21:03:08+04:00",
              "utc": "2004-12-30T17:03:08Z",
              "ms": 1104426187750.5686
            },
            "end": {
              "local": "2004-12-30T21:03:08+04:00",
              "utc": "2004-12-30T17:03:08Z",
              "ms": 1104426187750.5686
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 02:38 on Thu 30 Dec to 04:56 on Fri 31 Dec.",
          "fact": "2004-12-29T22:37:40Z → 2004-12-31T00:56:14Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:09 on the 29th and 21:03 on the 30th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 29th and is on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 23319 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2004: Thursday 30 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2004-12-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2004-12-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2004 falls on Thursday 30 December. Caturthī runs from 02:38 on Thu 30 Dec to 04:56 on Fri 31 Dec and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2004/sankashta-chaturthi?on=2004-12-30",
      "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"
  }
}
