{
  "id": "/abu-dhabi/festivals/2020",
  "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": 2020,
  "tradition": "smarta",
  "method": "pac-rp@2026.1",
  "ruleset": "2026.3-draft",
  "rulings": [
    {
      "id": "/abu-dhabi/festivals/2020/ekadashi?on=2020-01-06",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-01-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16521,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-01-06T01:37:16+04:00",
          "utc": "2020-01-05T21:37:16Z",
          "ms": 1578260236274.3618
        },
        "end": {
          "local": "2020-01-07T02:32:29+04:00",
          "utc": "2020-01-06T22:32:29Z",
          "ms": 1578349949050.4893
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-01-06T01:37:16+04:00",
          "utc": "2020-01-05T21:37:16Z",
          "ms": 1578260236274.3618
        },
        "end": {
          "local": "2020-01-07T02:32:29+04:00",
          "utc": "2020-01-06T22:32:29Z",
          "ms": 1578349949050.4893
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-01-06",
          "window": {
            "start": {
              "local": "2020-01-06T07:07:39+04:00",
              "utc": "2020-01-06T03:07:39Z",
              "ms": 1578280059349.3198
            },
            "end": {
              "local": "2020-01-06T07:07:39+04:00",
              "utc": "2020-01-06T03:07:39Z",
              "ms": 1578280059349.3198
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-01-07",
          "window": {
            "start": {
              "local": "2020-01-07T07:07:50+04:00",
              "utc": "2020-01-07T03:07:50Z",
              "ms": 1578366470460.8276
            },
            "end": {
              "local": "2020-01-07T07:07:50+04:00",
              "utc": "2020-01-07T03:07:50Z",
              "ms": 1578366470460.8276
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 01:37 on Mon 6 Jan to 02:32 on Tue 7 Jan.",
          "fact": "2020-01-05T21:37:16Z → 2020-01-06T22:32:29Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:08 on the 6th and 07:08 on the 7th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 16521 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Abu Dhabi, 2020: Monday 6 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": "2020-01-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-01-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Putradā Ekādaśī 2020 falls on Monday 6 January. Ekādaśī runs from 01:37 on Mon 6 Jan to 02:32 on Tue 7 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-01-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-01-08",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-01-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23891,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-01-08T02:44:48+04:00",
          "utc": "2020-01-07T22:44:48Z",
          "ms": 1578437087719.706
        },
        "end": {
          "local": "2020-01-09T02:14:25+04:00",
          "utc": "2020-01-08T22:14:25Z",
          "ms": 1578521665099.7166
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-01-08T02:44:48+04:00",
          "utc": "2020-01-07T22:44:48Z",
          "ms": 1578437087719.706
        },
        "end": {
          "local": "2020-01-09T02:14:25+04:00",
          "utc": "2020-01-08T22:14:25Z",
          "ms": 1578521665099.7166
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-01-07",
          "window": {
            "start": {
              "local": "2020-01-07T17:49:05+04:00",
              "utc": "2020-01-07T13:49:05Z",
              "ms": 1578404944975.521
            },
            "end": {
              "local": "2020-01-07T19:35:36+04:00",
              "utc": "2020-01-07T15:35:36Z",
              "ms": 1578411336334.772
            }
          },
          "covered_min": 0,
          "window_min": 107,
          "qualifies": false
        },
        {
          "local_date": "2020-01-08",
          "window": {
            "start": {
              "local": "2020-01-08T17:49:47+04:00",
              "utc": "2020-01-08T13:49:47Z",
              "ms": 1578491387243.6687
            },
            "end": {
              "local": "2020-01-08T19:36:14+04:00",
              "utc": "2020-01-08T15:36:14Z",
              "ms": 1578497774073.3984
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 02:45 on Wed 8 Jan to 02:14 on Thu 9 Jan.",
          "fact": "2020-01-07T22:44:48Z → 2020-01-08T22:14:25Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:49–19:36 on the 7th, 17:50–19:36 on the 8th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 107 minutes on the 7th and 106 of 106 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 23891 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2020: Wednesday 8 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": "2020-01-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-01-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2020 falls on Wednesday 8 January. Trayodaśī runs from 02:45 on Wed 8 Jan to 02:14 on Thu 9 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-01-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/sankashta-chaturthi?on=2020-01-13",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-01-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17076,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-01-13T16:02:35+04:00",
          "utc": "2020-01-13T12:02:35Z",
          "ms": 1578916955234.8906
        },
        "end": {
          "local": "2020-01-14T13:19:39+04:00",
          "utc": "2020-01-14T09:19:39Z",
          "ms": 1578993579219.024
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-01-13T16:02:35+04:00",
          "utc": "2020-01-13T12:02:35Z",
          "ms": 1578916955234.8906
        },
        "end": {
          "local": "2020-01-14T13:19:39+04:00",
          "utc": "2020-01-14T09:19:39Z",
          "ms": 1578993579219.024
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2020-01-13",
          "window": {
            "start": {
              "local": "2020-01-13T20:47:11+04:00",
              "utc": "2020-01-13T16:47:11Z",
              "ms": 1578934030869.4985
            },
            "end": {
              "local": "2020-01-13T20:47:11+04:00",
              "utc": "2020-01-13T16:47:11Z",
              "ms": 1578934030869.4985
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-01-14",
          "window": {
            "start": {
              "local": "2020-01-14T21:51:15+04:00",
              "utc": "2020-01-14T17:51:15Z",
              "ms": 1579024274691.8926
            },
            "end": {
              "local": "2020-01-14T21:51:15+04:00",
              "utc": "2020-01-14T17:51:15Z",
              "ms": 1579024274691.8926
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 16:03 on Mon 13 Jan to 13:20 on Tue 14 Jan.",
          "fact": "2020-01-13T12:02:35Z → 2020-01-14T09:19:39Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:47 on the 13th and 21:51 on the 14th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 13th and is not on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17076 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2020: Monday 13 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-01-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2020 falls on Monday 13 January. Caturthī runs from 16:03 on Mon 13 Jan to 13:20 on Tue 14 Jan and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/sankashta-chaturthi?on=2020-01-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/bhogi",
      "festival": "bhogi",
      "name": "Bhogi",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24238,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2020-01-15T00:38:05+04:00",
          "utc": "2020-01-14T20:38:05Z",
          "ms": 1579034285110.4868
        },
        "end": {
          "local": "2020-02-13T13:33:32+04:00",
          "utc": "2020-02-13T09:33:32Z",
          "ms": 1581586412165.7053
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2020-01-15T00:38:05+04:00",
          "utc": "2020-01-14T20:38:05Z",
          "ms": 1579034285110.4868
        },
        "end": {
          "local": "2020-01-15T00:38:05+04:00",
          "utc": "2020-01-14T20:38:05Z",
          "ms": 1579034285110.4868
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2020-01-14",
          "window": {
            "start": {
              "local": "2020-01-13T17:53:24+04:00",
              "utc": "2020-01-13T13:53:24Z",
              "ms": 1578923603501.6807
            },
            "end": {
              "local": "2020-01-14T17:54:08+04:00",
              "utc": "2020-01-14T13:54:08Z",
              "ms": 1579010047504.4094
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "2020-01-15",
          "window": {
            "start": {
              "local": "2020-01-14T17:54:08+04:00",
              "utc": "2020-01-14T13:54:08Z",
              "ms": 1579010047504.4094
            },
            "end": {
              "local": "2020-01-15T17:54:52+04:00",
              "utc": "2020-01-15T13:54:52Z",
              "ms": 1579096491683.174
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2020-01-15",
        "days": -1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 00:38 on Wed 15 Jan.",
          "fact": "2020-01-14T20:38:05Z · 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 24238 s"
        },
        {
          "step": "counted",
          "text": "Bhogi is kept the day before Pongal: Wednesday 15 January is the day taken above.",
          "fact": "follows: pongal − 1 d"
        },
        {
          "step": "ruling",
          "text": "Bhogi, Abu Dhabi, 2020: Tuesday 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": "2020-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2020-01-14",
          "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": "2020-01-13",
          "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 2020 falls on Tuesday 14 January. It is kept the day before Pongal, which falls on Wednesday 15 January. The Sun enters Makara at 00:38 on Wed 15 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 sunrise, as in Orissa, it is 13 January.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/pongal",
      "festival": "pongal",
      "name": "Pongal",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24238,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2020-01-15T00:38:05+04:00",
          "utc": "2020-01-14T20:38:05Z",
          "ms": 1579034285110.4868
        },
        "end": {
          "local": "2020-02-13T13:33:32+04:00",
          "utc": "2020-02-13T09:33:32Z",
          "ms": 1581586412165.7053
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2020-01-15T00:38:05+04:00",
          "utc": "2020-01-14T20:38:05Z",
          "ms": 1579034285110.4868
        },
        "end": {
          "local": "2020-01-15T00:38:05+04:00",
          "utc": "2020-01-14T20:38:05Z",
          "ms": 1579034285110.4868
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2020-01-14",
          "window": {
            "start": {
              "local": "2020-01-13T17:53:24+04:00",
              "utc": "2020-01-13T13:53:24Z",
              "ms": 1578923603501.6807
            },
            "end": {
              "local": "2020-01-14T17:54:08+04:00",
              "utc": "2020-01-14T13:54:08Z",
              "ms": 1579010047504.4094
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "2020-01-15",
          "window": {
            "start": {
              "local": "2020-01-14T17:54:08+04:00",
              "utc": "2020-01-14T13:54:08Z",
              "ms": 1579010047504.4094
            },
            "end": {
              "local": "2020-01-15T17:54:52+04:00",
              "utc": "2020-01-15T13:54:52Z",
              "ms": 1579096491683.174
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 00:38 on Wed 15 Jan.",
          "fact": "2020-01-14T20:38:05Z · 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 24238 s"
        },
        {
          "step": "ruling",
          "text": "Pongal, Abu Dhabi, 2020: Wednesday 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": "2020-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2020-01-15",
          "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": "2020-01-14",
          "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 2020 falls on Wednesday 15 January. The Sun enters Makara at 00:38 on Wed 15 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 sunrise, as in Orissa, it is 14 January.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/makara-sankranti",
      "festival": "makara-sankranti",
      "name": "Makara Saṅkrānti",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2285,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2020-01-15T00:38:05+04:00",
          "utc": "2020-01-14T20:38:05Z",
          "ms": 1579034285110.4868
        },
        "end": {
          "local": "2020-02-13T13:33:32+04:00",
          "utc": "2020-02-13T09:33:32Z",
          "ms": 1581586412165.7053
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2020-01-15T00:38:05+04:00",
          "utc": "2020-01-14T20:38:05Z",
          "ms": 1579034285110.4868
        },
        "end": {
          "local": "2020-01-15T00:38:05+04:00",
          "utc": "2020-01-14T20:38:05Z",
          "ms": 1579034285110.4868
        }
      },
      "kaala": "civil-day",
      "days": [
        {
          "local_date": "2020-01-14",
          "window": {
            "start": {
              "local": "2020-01-14T00:00:00+04:00",
              "utc": "2020-01-13T20:00:00Z",
              "ms": 1578945600000
            },
            "end": {
              "local": "2020-01-15T00:00:00+04:00",
              "utc": "2020-01-14T20:00:00Z",
              "ms": 1579032000000
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        },
        {
          "local_date": "2020-01-15",
          "window": {
            "start": {
              "local": "2020-01-15T00:00:00+04:00",
              "utc": "2020-01-14T20:00:00Z",
              "ms": 1579032000000
            },
            "end": {
              "local": "2020-01-16T00:00:00+04:00",
              "utc": "2020-01-15T20:00:00Z",
              "ms": 1579118400000
            }
          },
          "covered_min": 1,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 00:38 on Wed 15 Jan.",
          "fact": "2020-01-14T20:38:05Z · 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 15th, not the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from midnight → only-day · margin 2285 s"
        },
        {
          "step": "ruling",
          "text": "Makara Saṅkrānti, Abu Dhabi, 2020: Wednesday 15 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "makara-sankranti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "midnight"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "2020-01-14",
          "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": "2020-01-15",
          "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 2020 falls on Wednesday 15 January. The Sun enters Makara at 00:38 on Wed 15 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 14 January.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/mattu-pongal",
      "festival": "mattu-pongal",
      "name": "Mattu Pongal",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-01-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24238,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2020-01-15T00:38:05+04:00",
          "utc": "2020-01-14T20:38:05Z",
          "ms": 1579034285110.4868
        },
        "end": {
          "local": "2020-02-13T13:33:32+04:00",
          "utc": "2020-02-13T09:33:32Z",
          "ms": 1581586412165.7053
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2020-01-15T00:38:05+04:00",
          "utc": "2020-01-14T20:38:05Z",
          "ms": 1579034285110.4868
        },
        "end": {
          "local": "2020-01-15T00:38:05+04:00",
          "utc": "2020-01-14T20:38:05Z",
          "ms": 1579034285110.4868
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2020-01-14",
          "window": {
            "start": {
              "local": "2020-01-13T17:53:24+04:00",
              "utc": "2020-01-13T13:53:24Z",
              "ms": 1578923603501.6807
            },
            "end": {
              "local": "2020-01-14T17:54:08+04:00",
              "utc": "2020-01-14T13:54:08Z",
              "ms": 1579010047504.4094
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "2020-01-15",
          "window": {
            "start": {
              "local": "2020-01-14T17:54:08+04:00",
              "utc": "2020-01-14T13:54:08Z",
              "ms": 1579010047504.4094
            },
            "end": {
              "local": "2020-01-15T17:54:52+04:00",
              "utc": "2020-01-15T13:54:52Z",
              "ms": 1579096491683.174
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2020-01-15",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 00:38 on Wed 15 Jan.",
          "fact": "2020-01-14T20:38:05Z · 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 24238 s"
        },
        {
          "step": "counted",
          "text": "Mattu Pongal is kept the day after Pongal: Wednesday 15 January is the day taken above.",
          "fact": "follows: pongal + 1 d"
        },
        {
          "step": "ruling",
          "text": "Mattu Pongal, Abu Dhabi, 2020: Thursday 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": "2020-01-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-01-16",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2020-01-16",
          "statement": "Counted from midnight",
          "reference": {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "2020-01-15",
          "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 2020 falls on Thursday 16 January. It is kept the day after Pongal, which falls on Wednesday 15 January. The Sun enters Makara at 00:38 on Wed 15 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 sunrise, as in Orissa, it is 15 January.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ekadashi?on=2020-01-20",
      "festival": "ekadashi",
      "name": "Ṣaṭtilā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-01-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20790,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-01-20T01:21:35+04:00",
          "utc": "2020-01-19T21:21:35Z",
          "ms": 1579468895053.1707
        },
        "end": {
          "local": "2020-01-21T00:36:14+04:00",
          "utc": "2020-01-20T20:36:14Z",
          "ms": 1579552574264.9546
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-01-20T01:21:35+04:00",
          "utc": "2020-01-19T21:21:35Z",
          "ms": 1579468895053.1707
        },
        "end": {
          "local": "2020-01-21T00:36:14+04:00",
          "utc": "2020-01-20T20:36:14Z",
          "ms": 1579552574264.9546
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-01-20",
          "window": {
            "start": {
              "local": "2020-01-20T07:08:05+04:00",
              "utc": "2020-01-20T03:08:05Z",
              "ms": 1579489685357.04
            },
            "end": {
              "local": "2020-01-20T07:08:05+04:00",
              "utc": "2020-01-20T03:08:05Z",
              "ms": 1579489685357.04
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-01-21",
          "window": {
            "start": {
              "local": "2020-01-21T07:07:56+04:00",
              "utc": "2020-01-21T03:07:56Z",
              "ms": 1579576076472.1404
            },
            "end": {
              "local": "2020-01-21T07:07:56+04:00",
              "utc": "2020-01-21T03:07:56Z",
              "ms": 1579576076472.1404
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 01:22 on Mon 20 Jan to 00:36 on Tue 21 Jan.",
          "fact": "2020-01-19T21:21:35Z → 2020-01-20T20:36:14Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:08 on the 20th and 07:08 on the 21st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 20th and is not on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 20790 s"
        },
        {
          "step": "ruling",
          "text": "Ṣaṭtilā Ekādaśī, Abu Dhabi, 2020: Monday 20 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-01-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-01-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Ṣaṭtilā Ekādaśī 2020 falls on Monday 20 January. Ekādaśī runs from 01:22 on Mon 20 Jan to 00:36 on Tue 21 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-01-20",
      "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/2020/pradosha-vrata?on=2020-01-22",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-01-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16253,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-01-22T00:15:19+04:00",
          "utc": "2020-01-21T20:15:19Z",
          "ms": 1579637719320.2834
        },
        "end": {
          "local": "2020-01-23T00:19:05+04:00",
          "utc": "2020-01-22T20:19:05Z",
          "ms": 1579724344936.53
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-01-22T00:15:19+04:00",
          "utc": "2020-01-21T20:15:19Z",
          "ms": 1579637719320.2834
        },
        "end": {
          "local": "2020-01-23T00:19:05+04:00",
          "utc": "2020-01-22T20:19:05Z",
          "ms": 1579724344936.53
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-01-21",
          "window": {
            "start": {
              "local": "2020-01-21T17:59:19+04:00",
              "utc": "2020-01-21T13:59:19Z",
              "ms": 1579615158619.879
            },
            "end": {
              "local": "2020-01-21T19:44:26+04:00",
              "utc": "2020-01-21T15:44:26Z",
              "ms": 1579621466291.4973
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        },
        {
          "local_date": "2020-01-22",
          "window": {
            "start": {
              "local": "2020-01-22T18:00:03+04:00",
              "utc": "2020-01-22T14:00:03Z",
              "ms": 1579701603105.0137
            },
            "end": {
              "local": "2020-01-22T19:45:03+04:00",
              "utc": "2020-01-22T15:45:03Z",
              "ms": 1579707903279.5737
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 00:15 on Wed 22 Jan to 00:19 on Thu 23 Jan.",
          "fact": "2020-01-21T20:15:19Z → 2020-01-22T20:19:05Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:44 on the 21st, 18:00–19:45 on the 22nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 105 minutes on the 21st and 105 of 105 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 16253 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2020: Wednesday 22 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": "2020-01-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-01-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2020 falls on Wednesday 22 January. Trayodaśī runs from 00:15 on Wed 22 Jan to 00:19 on Thu 23 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-01-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/shivaratri?on=2020-01-22",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-01-22",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 556,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2020-01-23T00:19:05+04:00",
          "utc": "2020-01-22T20:19:05Z",
          "ms": 1579724344936.53
        },
        "end": {
          "local": "2020-01-24T00:47:51+04:00",
          "utc": "2020-01-23T20:47:51Z",
          "ms": 1579812470970.091
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-01-23T00:19:05+04:00",
          "utc": "2020-01-22T20:19:05Z",
          "ms": 1579724344936.53
        },
        "end": {
          "local": "2020-01-24T00:47:51+04:00",
          "utc": "2020-01-23T20:47:51Z",
          "ms": 1579812470970.091
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2020-01-22",
          "window": {
            "start": {
              "local": "2020-01-23T00:09:49+04:00",
              "utc": "2020-01-22T20:09:49Z",
              "ms": 1579723788759.6138
            },
            "end": {
              "local": "2020-01-23T00:57:49+04:00",
              "utc": "2020-01-22T20:57:49Z",
              "ms": 1579726668759.6138
            }
          },
          "covered_min": 39,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-01-23",
          "window": {
            "start": {
              "local": "2020-01-24T00:10:04+04:00",
              "utc": "2020-01-23T20:10:04Z",
              "ms": 1579810204373.0815
            },
            "end": {
              "local": "2020-01-24T00:58:04+04:00",
              "utc": "2020-01-23T20:58:04Z",
              "ms": 1579813084373.0815
            }
          },
          "covered_min": 38,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 00:19 on Thu 23 Jan to 00:48 on Fri 24 Jan.",
          "fact": "2020-01-22T20:19:05Z → 2020-01-23T20:47:51Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:10–00:58 on the 22nd, 00:10–00:58 on the 23rd.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 39 of 48 minutes on the 22nd and 38 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 556 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2020: Wednesday 22 January.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-01-22",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-01-22",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2020 falls on Wednesday 22 January. Caturdaśī runs from 00:19 on Thu 23 Jan to 00:48 on Fri 24 Jan and covers 39 of 48 minutes of niśītha that night. It also reaches the next night for 38 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/2020/shivaratri?on=2020-01-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/yama-tarpana",
      "festival": "yama-tarpana",
      "name": "Yama Tarpaṇa",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-01-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16478,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2020-01-23T00:19:05+04:00",
          "utc": "2020-01-22T20:19:05Z",
          "ms": 1579724344936.53
        },
        "end": {
          "local": "2020-01-24T00:47:51+04:00",
          "utc": "2020-01-23T20:47:51Z",
          "ms": 1579812470970.091
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-01-23T00:19:05+04:00",
          "utc": "2020-01-22T20:19:05Z",
          "ms": 1579724344936.53
        },
        "end": {
          "local": "2020-01-24T00:47:51+04:00",
          "utc": "2020-01-23T20:47:51Z",
          "ms": 1579812470970.091
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2020-01-23",
          "window": {
            "start": {
              "local": "2020-01-23T05:22:34+04:00",
              "utc": "2020-01-23T01:22:34Z",
              "ms": 1579742554239.654
            },
            "end": {
              "local": "2020-01-23T07:07:34+04:00",
              "utc": "2020-01-23T03:07:34Z",
              "ms": 1579748854414.214
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        },
        {
          "local_date": "2020-01-24",
          "window": {
            "start": {
              "local": "2020-01-24T05:22:29+04:00",
              "utc": "2020-01-24T01:22:29Z",
              "ms": 1579828948747.399
            },
            "end": {
              "local": "2020-01-24T07:07:21+04:00",
              "utc": "2020-01-24T03:07:21Z",
              "ms": 1579835241247.1506
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 00:19 on Thu 23 Jan to 00:48 on Fri 24 Jan.",
          "fact": "2020-01-22T20:19:05Z → 2020-01-23T20:47:51Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:23–07:08 on the 23rd, 05:22–07:07 on the 24th.",
          "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 105 of 105 minutes on the 23rd and 0 of 105 on the 24th.",
          "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 16478 s"
        },
        {
          "step": "ruling",
          "text": "Yama Tarpaṇa, Abu Dhabi, 2020: Thursday 23 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "yama-tarpana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)"
          }
        ],
        "kaala": "arunodaya",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-01-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-01-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Yama Tarpaṇa 2020 falls on Thursday 23 January. Caturdaśī runs from 00:19 on Thu 23 Jan to 00:48 on Fri 24 Jan and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ganesha-jayanti",
      "festival": "ganesha-jayanti",
      "name": "Gaṇeśa Jayantī",
      "everyday": "Maghi Ganesh Jayanti",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-01-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10518,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-01-28T06:52:23+04:00",
          "utc": "2020-01-28T02:52:23Z",
          "ms": 1580179943007.0046
        },
        "end": {
          "local": "2020-01-29T09:16:14+04:00",
          "utc": "2020-01-29T05:16:14Z",
          "ms": 1580274974312.0764
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-01-28T06:52:23+04:00",
          "utc": "2020-01-28T02:52:23Z",
          "ms": 1580179943007.0046
        },
        "end": {
          "local": "2020-01-29T09:16:14+04:00",
          "utc": "2020-01-29T05:16:14Z",
          "ms": 1580274974312.0764
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-01-28",
          "window": {
            "start": {
              "local": "2020-01-28T12:11:21+04:00",
              "utc": "2020-01-28T08:11:21Z",
              "ms": 1580199080732.6812
            },
            "end": {
              "local": "2020-01-28T12:59:21+04:00",
              "utc": "2020-01-28T08:59:21Z",
              "ms": 1580201960732.6812
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-01-29",
          "window": {
            "start": {
              "local": "2020-01-29T12:11:32+04:00",
              "utc": "2020-01-29T08:11:32Z",
              "ms": 1580285492244.9102
            },
            "end": {
              "local": "2020-01-29T12:59:32+04:00",
              "utc": "2020-01-29T08:59:32Z",
              "ms": 1580288372244.9102
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:52 on Tue 28 Jan to 09:16 on Wed 29 Jan.",
          "fact": "2020-01-28T02:52:23Z → 2020-01-29T05:16:14Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 28th, 12:12–13:00 on the 29th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 10518 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Jayantī, Abu Dhabi, 2020: Tuesday 28 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": "2020-01-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-01-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2020 falls on Tuesday 28 January. Caturthī runs from 06:52 on Tue 28 Jan to 09:16 on Wed 29 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/tila-chaturthi",
      "festival": "tila-chaturthi",
      "name": "Tila Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-01-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31736,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-01-28T06:52:23+04:00",
          "utc": "2020-01-28T02:52:23Z",
          "ms": 1580179943007.0046
        },
        "end": {
          "local": "2020-01-29T09:16:14+04:00",
          "utc": "2020-01-29T05:16:14Z",
          "ms": 1580274974312.0764
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-01-28T06:52:23+04:00",
          "utc": "2020-01-28T02:52:23Z",
          "ms": 1580179943007.0046
        },
        "end": {
          "local": "2020-01-29T09:16:14+04:00",
          "utc": "2020-01-29T05:16:14Z",
          "ms": 1580274974312.0764
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-01-28",
          "window": {
            "start": {
              "local": "2020-01-28T18:04:27+04:00",
              "utc": "2020-01-28T14:04:27Z",
              "ms": 1580220267019.7244
            },
            "end": {
              "local": "2020-01-28T19:48:39+04:00",
              "utc": "2020-01-28T15:48:39Z",
              "ms": 1580226518650.6223
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        },
        {
          "local_date": "2020-01-29",
          "window": {
            "start": {
              "local": "2020-01-29T18:05:10+04:00",
              "utc": "2020-01-29T14:05:10Z",
              "ms": 1580306710238.361
            },
            "end": {
              "local": "2020-01-29T19:49:13+04:00",
              "utc": "2020-01-29T15:49:13Z",
              "ms": 1580312953230.6838
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:52 on Tue 28 Jan to 09:16 on Wed 29 Jan.",
          "fact": "2020-01-28T02:52:23Z → 2020-01-29T05:16:14Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:49 on the 28th, 18:05–19:49 on the 29th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during pradoṣa. It covers 104 of 104 minutes on the 28th and 0 of 104 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 31736 s"
        },
        {
          "step": "ruling",
          "text": "Tila Caturthī, Abu Dhabi, 2020: Tuesday 28 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "tila-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-01-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-01-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Tila Caturthī 2020 falls on Tuesday 28 January. Caturthī runs from 06:52 on Tue 28 Jan to 09:16 on Wed 29 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/shri-panchami",
      "festival": "shri-panchami",
      "name": "Śrī Pañcamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-01-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1322,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2020-01-29T09:16:14+04:00",
          "utc": "2020-01-29T05:16:14Z",
          "ms": 1580274974312.0764
        },
        "end": {
          "local": "2020-01-30T11:49:41+04:00",
          "utc": "2020-01-30T07:49:41Z",
          "ms": 1580370580849.4236
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-01-29T09:16:14+04:00",
          "utc": "2020-01-29T05:16:14Z",
          "ms": 1580274974312.0764
        },
        "end": {
          "local": "2020-01-30T11:49:41+04:00",
          "utc": "2020-01-30T07:49:41Z",
          "ms": 1580370580849.4236
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-01-29",
          "window": {
            "start": {
              "local": "2020-01-29T12:11:32+04:00",
              "utc": "2020-01-29T08:11:32Z",
              "ms": 1580285492244.9102
            },
            "end": {
              "local": "2020-01-29T12:59:32+04:00",
              "utc": "2020-01-29T08:59:32Z",
              "ms": 1580288372244.9102
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-01-30",
          "window": {
            "start": {
              "local": "2020-01-30T12:11:43+04:00",
              "utc": "2020-01-30T08:11:43Z",
              "ms": 1580371902925.8545
            },
            "end": {
              "local": "2020-01-30T12:59:43+04:00",
              "utc": "2020-01-30T08:59:43Z",
              "ms": 1580374782925.8545
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 09:16 on Wed 29 Jan to 11:50 on Thu 30 Jan.",
          "fact": "2020-01-29T05:16:14Z → 2020-01-30T07:49:41Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 29th, 12:12–13:00 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.",
          "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 1322 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Pañcamī, Abu Dhabi, 2020: Wednesday 29 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": "2020-01-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-01-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śrī Pañcamī 2020 falls on Wednesday 29 January. Pañcamī runs from 09:16 on Wed 29 Jan to 11:50 on Thu 30 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/vasanta-panchami",
      "festival": "vasanta-panchami",
      "name": "Vasanta Pañcamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-01-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1322,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2020-01-29T09:16:14+04:00",
          "utc": "2020-01-29T05:16:14Z",
          "ms": 1580274974312.0764
        },
        "end": {
          "local": "2020-01-30T11:49:41+04:00",
          "utc": "2020-01-30T07:49:41Z",
          "ms": 1580370580849.4236
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-01-29T09:16:14+04:00",
          "utc": "2020-01-29T05:16:14Z",
          "ms": 1580274974312.0764
        },
        "end": {
          "local": "2020-01-30T11:49:41+04:00",
          "utc": "2020-01-30T07:49:41Z",
          "ms": 1580370580849.4236
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-01-29",
          "window": {
            "start": {
              "local": "2020-01-29T12:11:32+04:00",
              "utc": "2020-01-29T08:11:32Z",
              "ms": 1580285492244.9102
            },
            "end": {
              "local": "2020-01-29T12:59:32+04:00",
              "utc": "2020-01-29T08:59:32Z",
              "ms": 1580288372244.9102
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-01-30",
          "window": {
            "start": {
              "local": "2020-01-30T12:11:43+04:00",
              "utc": "2020-01-30T08:11:43Z",
              "ms": 1580371902925.8545
            },
            "end": {
              "local": "2020-01-30T12:59:43+04:00",
              "utc": "2020-01-30T08:59:43Z",
              "ms": 1580374782925.8545
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 09:16 on Wed 29 Jan to 11:50 on Thu 30 Jan.",
          "fact": "2020-01-29T05:16:14Z → 2020-01-30T07:49:41Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 29th, 12:12–13:00 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.",
          "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 1322 s"
        },
        {
          "step": "ruling",
          "text": "Vasanta Pañcamī, Abu Dhabi, 2020: Wednesday 29 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": "2020-01-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-01-29",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Vasanta Pañcamī 2020 falls on Wednesday 29 January. Pañcamī runs from 09:16 on Wed 29 Jan to 11:50 on Thu 30 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ratha-saptami",
      "festival": "ratha-saptami",
      "name": "Ratha Saptamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-02-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26219,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2020-01-31T14:22:09+04:00",
          "utc": "2020-01-31T10:22:09Z",
          "ms": 1580466129120.9402
        },
        "end": {
          "local": "2020-02-01T16:41:12+04:00",
          "utc": "2020-02-01T12:41:12Z",
          "ms": 1580560872105.4146
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-01-31T14:22:09+04:00",
          "utc": "2020-01-31T10:22:09Z",
          "ms": 1580466129120.9402
        },
        "end": {
          "local": "2020-02-01T16:41:12+04:00",
          "utc": "2020-02-01T12:41:12Z",
          "ms": 1580560872105.4146
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2020-01-31",
          "window": {
            "start": {
              "local": "2020-01-31T05:21:16+04:00",
              "utc": "2020-01-31T01:21:16Z",
              "ms": 1580433675536.599
            },
            "end": {
              "local": "2020-01-31T07:05:10+04:00",
              "utc": "2020-01-31T03:05:10Z",
              "ms": 1580439909746.7024
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        },
        {
          "local_date": "2020-02-01",
          "window": {
            "start": {
              "local": "2020-02-01T05:21:00+04:00",
              "utc": "2020-02-01T01:21:00Z",
              "ms": 1580520060174.7085
            },
            "end": {
              "local": "2020-02-01T07:04:45+04:00",
              "utc": "2020-02-01T03:04:45Z",
              "ms": 1580526285463.725
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 14:22 on Fri 31 Jan to 16:41 on Sat 1 Feb.",
          "fact": "2020-01-31T10:22:09Z → 2020-02-01T12:41:12Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:21–07:05 on the 31st, 05:21–07:05 on the 1st.",
          "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during aruṇodaya. It covers 0 of 104 minutes on the 31st and 104 of 104 on the 1st.",
          "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 26219 s"
        },
        {
          "step": "ruling",
          "text": "Ratha Saptamī, Abu Dhabi, 2020: Saturday 1 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ratha-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]."
          }
        ],
        "kaala": "arunodaya",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-02-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-02-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Ratha Saptamī 2020 falls on Saturday 1 February. Saptamī runs from 14:22 on Fri 31 Jan to 16:41 on Sat 1 Feb and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ekadashi?on=2020-02-05",
      "festival": "ekadashi",
      "name": "Jayā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-02-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38573,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-02-04T20:20:03+04:00",
          "utc": "2020-02-04T16:20:03Z",
          "ms": 1580833202644.214
        },
        "end": {
          "local": "2020-02-05T20:01:22+04:00",
          "utc": "2020-02-05T16:01:22Z",
          "ms": 1580918481961.4448
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-02-04T20:20:03+04:00",
          "utc": "2020-02-04T16:20:03Z",
          "ms": 1580833202644.214
        },
        "end": {
          "local": "2020-02-05T20:01:22+04:00",
          "utc": "2020-02-05T16:01:22Z",
          "ms": 1580918481961.4448
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-02-05",
          "window": {
            "start": {
              "local": "2020-02-05T07:02:55+04:00",
              "utc": "2020-02-05T03:02:55Z",
              "ms": 1580871775180.4521
            },
            "end": {
              "local": "2020-02-05T07:02:55+04:00",
              "utc": "2020-02-05T03:02:55Z",
              "ms": 1580871775180.4521
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-02-06",
          "window": {
            "start": {
              "local": "2020-02-06T07:02:24+04:00",
              "utc": "2020-02-06T03:02:24Z",
              "ms": 1580958144418.1685
            },
            "end": {
              "local": "2020-02-06T07:02:24+04:00",
              "utc": "2020-02-06T03:02:24Z",
              "ms": 1580958144418.1685
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 20:20 on Tue 4 Feb to 20:01 on Wed 5 Feb.",
          "fact": "2020-02-04T16:20:03Z → 2020-02-05T16:01:22Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:03 on the 5th and 07:02 on the 6th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 5th and is not on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 38573 s"
        },
        {
          "step": "ruling",
          "text": "Jayā Ekādaśī, Abu Dhabi, 2020: Wednesday 5 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": "2020-02-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-02-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Jayā Ekādaśī 2020 falls on Wednesday 5 February. Ekādaśī runs from 20:20 on Tue 4 Feb to 20:01 on Wed 5 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-02-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/bhishma-dvadashi",
      "festival": "bhishma-dvadashi",
      "name": "Bhīṣma Dvādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-02-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21207,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2020-02-05T20:01:22+04:00",
          "utc": "2020-02-05T16:01:22Z",
          "ms": 1580918481961.4448
        },
        "end": {
          "local": "2020-02-06T18:54:01+04:00",
          "utc": "2020-02-06T14:54:01Z",
          "ms": 1581000840829.177
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-02-05T20:01:22+04:00",
          "utc": "2020-02-05T16:01:22Z",
          "ms": 1580918481961.4448
        },
        "end": {
          "local": "2020-02-06T18:54:01+04:00",
          "utc": "2020-02-06T14:54:01Z",
          "ms": 1581000840829.177
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-02-05",
          "window": {
            "start": {
              "local": "2020-02-05T12:12:29+04:00",
              "utc": "2020-02-05T08:12:29Z",
              "ms": 1580890349431.934
            },
            "end": {
              "local": "2020-02-05T13:00:29+04:00",
              "utc": "2020-02-05T09:00:29Z",
              "ms": 1580893229431.934
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-02-06",
          "window": {
            "start": {
              "local": "2020-02-06T12:12:34+04:00",
              "utc": "2020-02-06T08:12:34Z",
              "ms": 1580976754265.4648
            },
            "end": {
              "local": "2020-02-06T13:00:34+04:00",
              "utc": "2020-02-06T09:00:34Z",
              "ms": 1580979634265.4648
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 20:01 on Wed 5 Feb to 18:54 on Thu 6 Feb.",
          "fact": "2020-02-05T16:01:22Z → 2020-02-06T14:54:01Z"
        },
        {
          "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": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 21207 s"
        },
        {
          "step": "ruling",
          "text": "Bhīṣma Dvādaśī, Abu Dhabi, 2020: Thursday 6 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": "2020-02-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-02-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Bhīṣma Dvādaśī 2020 falls on Thursday 6 February. Dvādaśī runs from 20:01 on Wed 5 Feb to 18:54 on Thu 6 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/pradosha-vrata?on=2020-02-06",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-02-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2597,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-02-06T18:54:01+04:00",
          "utc": "2020-02-06T14:54:01Z",
          "ms": 1581000840829.177
        },
        "end": {
          "local": "2020-02-07T17:02:00+04:00",
          "utc": "2020-02-07T13:02:00Z",
          "ms": 1581080520429.1443
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-02-06T18:54:01+04:00",
          "utc": "2020-02-06T14:54:01Z",
          "ms": 1581000840829.177
        },
        "end": {
          "local": "2020-02-07T17:02:00+04:00",
          "utc": "2020-02-07T13:02:00Z",
          "ms": 1581080520429.1443
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-02-06",
          "window": {
            "start": {
              "local": "2020-02-06T18:10:44+04:00",
              "utc": "2020-02-06T14:10:44Z",
              "ms": 1580998244112.7615
            },
            "end": {
              "local": "2020-02-06T19:53:33+04:00",
              "utc": "2020-02-06T15:53:33Z",
              "ms": 1581004413220.7693
            }
          },
          "covered_min": 60,
          "window_min": 103,
          "qualifies": true
        },
        {
          "local_date": "2020-02-07",
          "window": {
            "start": {
              "local": "2020-02-07T18:11:24+04:00",
              "utc": "2020-02-07T14:11:24Z",
              "ms": 1581084684135.2163
            },
            "end": {
              "local": "2020-02-07T19:54:03+04:00",
              "utc": "2020-02-07T15:54:03Z",
              "ms": 1581090843479.665
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 18:54 on Thu 6 Feb to 17:02 on Fri 7 Feb.",
          "fact": "2020-02-06T14:54:01Z → 2020-02-07T13:02:00Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:54 on the 6th, 18:11–19:54 on the 7th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 60 of 103 minutes on the 6th and 0 of 103 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2597 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2020: Thursday 6 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": "2020-02-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-02-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2020 falls on Thursday 6 February. Trayodaśī runs from 18:54 on Thu 6 Feb to 17:02 on Fri 7 Feb and covers 60 of 103 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-02-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/maghi-purnima",
      "festival": "maghi-purnima",
      "name": "Māghī Pūrṇimā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-02-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2367,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2020-02-08T14:32:11+04:00",
          "utc": "2020-02-08T10:32:11Z",
          "ms": 1581157930585.7717
        },
        "end": {
          "local": "2020-02-09T11:33:17+04:00",
          "utc": "2020-02-09T07:33:17Z",
          "ms": 1581233596870.916
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-02-08T14:32:11+04:00",
          "utc": "2020-02-08T10:32:11Z",
          "ms": 1581157930585.7717
        },
        "end": {
          "local": "2020-02-09T11:33:17+04:00",
          "utc": "2020-02-09T07:33:17Z",
          "ms": 1581233596870.916
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-02-08",
          "window": {
            "start": {
              "local": "2020-02-08T12:12:41+04:00",
              "utc": "2020-02-08T08:12:41Z",
              "ms": 1581149561481.7075
            },
            "end": {
              "local": "2020-02-08T13:00:41+04:00",
              "utc": "2020-02-08T09:00:41Z",
              "ms": 1581152441481.7075
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-02-09",
          "window": {
            "start": {
              "local": "2020-02-09T12:12:44+04:00",
              "utc": "2020-02-09T08:12:44Z",
              "ms": 1581235963884.3506
            },
            "end": {
              "local": "2020-02-09T13:00:44+04:00",
              "utc": "2020-02-09T09:00:44Z",
              "ms": 1581238843884.3506
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 14:32 on Sat 8 Feb to 11:33 on Sun 9 Feb.",
          "fact": "2020-02-08T10:32:11Z → 2020-02-09T07:33:17Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 8th, 12:13–13:01 on the 9th.",
          "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 8th and 0 of 48 on the 9th.",
          "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: paraviddha → second-day · margin 2367 s"
        },
        {
          "step": "ruling",
          "text": "Māghī Pūrṇimā, Abu Dhabi, 2020: Sunday 9 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "maghi-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Maghi purnima (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-02-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-02-09",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Māghī Pūrṇimā 2020 falls on Sunday 9 February. Pūrṇimā runs from 14:32 on Sat 8 Feb to 11:33 on Sun 9 Feb, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/sankashta-chaturthi?on=2020-02-12",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-02-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1523,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-02-12T01:23:19+04:00",
          "utc": "2020-02-11T21:23:19Z",
          "ms": 1581456199356.6904
        },
        "end": {
          "local": "2020-02-12T22:09:45+04:00",
          "utc": "2020-02-12T18:09:45Z",
          "ms": 1581530985210.729
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-02-12T01:23:19+04:00",
          "utc": "2020-02-11T21:23:19Z",
          "ms": 1581456199356.6904
        },
        "end": {
          "local": "2020-02-12T22:09:45+04:00",
          "utc": "2020-02-12T18:09:45Z",
          "ms": 1581530985210.729
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2020-02-11",
          "window": {
            "start": {
              "local": "2020-02-11T20:40:17+04:00",
              "utc": "2020-02-11T16:40:17Z",
              "ms": 1581439217369.1345
            },
            "end": {
              "local": "2020-02-11T20:40:17+04:00",
              "utc": "2020-02-11T16:40:17Z",
              "ms": 1581439217369.1345
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-02-12",
          "window": {
            "start": {
              "local": "2020-02-12T21:44:23+04:00",
              "utc": "2020-02-12T17:44:23Z",
              "ms": 1581529462500.4658
            },
            "end": {
              "local": "2020-02-12T21:44:23+04:00",
              "utc": "2020-02-12T17:44:23Z",
              "ms": 1581529462500.4658
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 01:23 on Wed 12 Feb to 22:10 on Wed 12 Feb.",
          "fact": "2020-02-11T21:23:19Z → 2020-02-12T18:09:45Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:40 on the 11th and 21:44 on the 12th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 11th and is on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1523 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2020: Wednesday 12 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": "2020-02-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-02-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2020 falls on Wednesday 12 February. Caturthī runs from 01:23 on Wed 12 Feb to 22:10 on Wed 12 Feb and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/sankashta-chaturthi?on=2020-02-12",
      "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/2020/ekadashi?on=2020-02-19",
      "festival": "ekadashi",
      "name": "Vijayā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-02-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22102,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-02-18T13:03:09+04:00",
          "utc": "2020-02-18T09:03:09Z",
          "ms": 1582016588745.647
        },
        "end": {
          "local": "2020-02-19T13:32:37+04:00",
          "utc": "2020-02-19T09:32:37Z",
          "ms": 1582104756516.301
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-02-18T13:03:09+04:00",
          "utc": "2020-02-18T09:03:09Z",
          "ms": 1582016588745.647
        },
        "end": {
          "local": "2020-02-19T13:32:37+04:00",
          "utc": "2020-02-19T09:32:37Z",
          "ms": 1582104756516.301
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-02-18",
          "window": {
            "start": {
              "local": "2020-02-18T06:54:46+04:00",
              "utc": "2020-02-18T02:54:46Z",
              "ms": 1581994486410.103
            },
            "end": {
              "local": "2020-02-18T06:54:46+04:00",
              "utc": "2020-02-18T02:54:46Z",
              "ms": 1581994486410.103
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-02-19",
          "window": {
            "start": {
              "local": "2020-02-19T06:54:02+04:00",
              "utc": "2020-02-19T02:54:02Z",
              "ms": 1582080841613.5012
            },
            "end": {
              "local": "2020-02-19T06:54:02+04:00",
              "utc": "2020-02-19T02:54:02Z",
              "ms": 1582080841613.5012
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 13:03 on Tue 18 Feb to 13:33 on Wed 19 Feb.",
          "fact": "2020-02-18T09:03:09Z → 2020-02-19T09:32:37Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:55 on the 18th and 06:54 on the 19th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 22102 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Ekādaśī, Abu Dhabi, 2020: Wednesday 19 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": "2020-02-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-02-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vijayā Ekādaśī 2020 falls on Wednesday 19 February. Ekādaśī runs from 13:03 on Tue 18 Feb to 13:33 on Wed 19 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-02-19",
      "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/2020/pradosha-vrata?on=2020-02-20",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-02-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8908,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-02-20T14:30:08+04:00",
          "utc": "2020-02-20T10:30:08Z",
          "ms": 1582194608212.5417
        },
        "end": {
          "local": "2020-02-21T15:51:33+04:00",
          "utc": "2020-02-21T11:51:33Z",
          "ms": 1582285892563.4187
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-02-20T14:30:08+04:00",
          "utc": "2020-02-20T10:30:08Z",
          "ms": 1582194608212.5417
        },
        "end": {
          "local": "2020-02-21T15:51:33+04:00",
          "utc": "2020-02-21T11:51:33Z",
          "ms": 1582285892563.4187
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-02-20",
          "window": {
            "start": {
              "local": "2020-02-20T18:19:26+04:00",
              "utc": "2020-02-20T14:19:26Z",
              "ms": 1582208366436.003
            },
            "end": {
              "local": "2020-02-20T19:59:51+04:00",
              "utc": "2020-02-20T15:59:51Z",
              "ms": 1582214390820.89
            }
          },
          "covered_min": 100,
          "window_min": 100,
          "qualifies": true
        },
        {
          "local_date": "2020-02-21",
          "window": {
            "start": {
              "local": "2020-02-21T18:20:01+04:00",
              "utc": "2020-02-21T14:20:01Z",
              "ms": 1582294800585.705
            },
            "end": {
              "local": "2020-02-21T20:00:14+04:00",
              "utc": "2020-02-21T16:00:14Z",
              "ms": 1582300814090.8445
            }
          },
          "covered_min": 0,
          "window_min": 100,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 14:30 on Thu 20 Feb to 15:52 on Fri 21 Feb.",
          "fact": "2020-02-20T10:30:08Z → 2020-02-21T11:51:33Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–20:00 on the 20th, 18:20–20:00 on the 21st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 100 of 100 minutes on the 20th and 0 of 100 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8908 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2020: Thursday 20 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-02-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-02-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2020 falls on Thursday 20 February. Trayodaśī runs from 14:30 on Thu 20 Feb to 15:52 on Fri 21 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-02-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/maha-shivaratri",
      "festival": "maha-shivaratri",
      "name": "Mahāśivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-02-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23914,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2020-02-21T15:51:33+04:00",
          "utc": "2020-02-21T11:51:33Z",
          "ms": 1582285892563.4187
        },
        "end": {
          "local": "2020-02-22T17:33:10+04:00",
          "utc": "2020-02-22T13:33:10Z",
          "ms": 1582378390058.1057
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-02-21T15:51:33+04:00",
          "utc": "2020-02-21T11:51:33Z",
          "ms": 1582285892563.4187
        },
        "end": {
          "local": "2020-02-22T17:33:10+04:00",
          "utc": "2020-02-22T13:33:10Z",
          "ms": 1582378390058.1057
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2020-02-21",
          "window": {
            "start": {
              "local": "2020-02-22T00:11:51+04:00",
              "utc": "2020-02-21T20:11:51Z",
              "ms": 1582315911229.9775
            },
            "end": {
              "local": "2020-02-22T00:59:51+04:00",
              "utc": "2020-02-21T20:59:51Z",
              "ms": 1582318791229.9775
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-02-22",
          "window": {
            "start": {
              "local": "2020-02-23T00:11:44+04:00",
              "utc": "2020-02-22T20:11:44Z",
              "ms": 1582402303948.5762
            },
            "end": {
              "local": "2020-02-23T00:59:44+04:00",
              "utc": "2020-02-22T20:59:44Z",
              "ms": 1582405183948.5762
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 15:52 on Fri 21 Feb to 17:33 on Sat 22 Feb.",
          "fact": "2020-02-21T11:51:33Z → 2020-02-22T13:33:10Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:12–01:00 on the 21st, 00:12–01:00 on the 22nd.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 23914 s"
        },
        {
          "step": "ruling",
          "text": "Mahāśivarātri, Abu Dhabi, 2020: Friday 21 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": "2020-02-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-02-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Mahāśivarātri 2020 falls on Friday 21 February. Caturdaśī runs from 15:52 on Fri 21 Feb to 17:33 on Sat 22 Feb and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/vinayaka-chaturthi?on=2020-02-27",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-02-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24979,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-02-27T02:42:11+04:00",
          "utc": "2020-02-26T22:42:11Z",
          "ms": 1582756931023.6729
        },
        "end": {
          "local": "2020-02-28T05:14:55+04:00",
          "utc": "2020-02-28T01:14:55Z",
          "ms": 1582852494786.9917
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-02-27T02:42:11+04:00",
          "utc": "2020-02-26T22:42:11Z",
          "ms": 1582756931023.6729
        },
        "end": {
          "local": "2020-02-28T05:14:55+04:00",
          "utc": "2020-02-28T01:14:55Z",
          "ms": 1582852494786.9917
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-02-27",
          "window": {
            "start": {
              "local": "2020-02-27T12:11:25+04:00",
              "utc": "2020-02-27T08:11:25Z",
              "ms": 1582791084559.2114
            },
            "end": {
              "local": "2020-02-27T12:59:25+04:00",
              "utc": "2020-02-27T08:59:25Z",
              "ms": 1582793964559.2114
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-02-28",
          "window": {
            "start": {
              "local": "2020-02-28T12:11:14+04:00",
              "utc": "2020-02-28T08:11:14Z",
              "ms": 1582877474103.551
            },
            "end": {
              "local": "2020-02-28T12:59:14+04:00",
              "utc": "2020-02-28T08:59:14Z",
              "ms": 1582880354103.551
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 02:42 on Thu 27 Feb to 05:15 on Fri 28 Feb.",
          "fact": "2020-02-26T22:42:11Z → 2020-02-28T01:14:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 27th, 12:11–12:59 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 24979 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2020: Thursday 27 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": "2020-02-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-02-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2020 falls on Thursday 27 February. Caturthī runs from 02:42 on Thu 27 Feb to 05:15 on Fri 28 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/vinayaka-chaturthi?on=2020-02-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/ekadashi?on=2020-03-06",
      "festival": "ekadashi",
      "name": "Āmalakī Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-03-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13035,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-03-05T11:49:20+04:00",
          "utc": "2020-03-05T07:49:20Z",
          "ms": 1583394559778.8206
        },
        "end": {
          "local": "2020-03-06T10:17:33+04:00",
          "utc": "2020-03-06T06:17:33Z",
          "ms": 1583475452701.431
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-03-05T11:49:20+04:00",
          "utc": "2020-03-05T07:49:20Z",
          "ms": 1583394559778.8206
        },
        "end": {
          "local": "2020-03-06T10:17:33+04:00",
          "utc": "2020-03-06T06:17:33Z",
          "ms": 1583475452701.431
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-03-05",
          "window": {
            "start": {
              "local": "2020-03-05T06:41:14+04:00",
              "utc": "2020-03-05T02:41:14Z",
              "ms": 1583376074032.9727
            },
            "end": {
              "local": "2020-03-05T06:41:14+04:00",
              "utc": "2020-03-05T02:41:14Z",
              "ms": 1583376074032.9727
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-03-06",
          "window": {
            "start": {
              "local": "2020-03-06T06:40:18+04:00",
              "utc": "2020-03-06T02:40:18Z",
              "ms": 1583462417614.3494
            },
            "end": {
              "local": "2020-03-06T06:40:18+04:00",
              "utc": "2020-03-06T02:40:18Z",
              "ms": 1583462417614.3494
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 11:49 on Thu 5 Mar to 10:18 on Fri 6 Mar.",
          "fact": "2020-03-05T07:49:20Z → 2020-03-06T06:17:33Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:41 on the 5th and 06:40 on the 6th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 13035 s"
        },
        {
          "step": "ruling",
          "text": "Āmalakī Ekādaśī, Abu Dhabi, 2020: Friday 6 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": "2020-03-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-03-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Āmalakī Ekādaśī 2020 falls on Friday 6 March. Ekādaśī runs from 11:49 on Thu 5 Mar to 10:18 on Fri 6 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-03-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-03-07",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-03-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32192,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-03-07T07:59:15+04:00",
          "utc": "2020-03-07T03:59:15Z",
          "ms": 1583553554995.9175
        },
        "end": {
          "local": "2020-03-08T05:01:40+04:00",
          "utc": "2020-03-08T01:01:40Z",
          "ms": 1583629300491.9746
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-03-07T07:59:15+04:00",
          "utc": "2020-03-07T03:59:15Z",
          "ms": 1583553554995.9175
        },
        "end": {
          "local": "2020-03-08T05:01:40+04:00",
          "utc": "2020-03-08T01:01:40Z",
          "ms": 1583629300491.9746
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-03-06",
          "window": {
            "start": {
              "local": "2020-03-06T18:27:15+04:00",
              "utc": "2020-03-06T14:27:15Z",
              "ms": 1583504835433.3838
            },
            "end": {
              "local": "2020-03-06T20:04:52+04:00",
              "utc": "2020-03-06T16:04:52Z",
              "ms": 1583510692134.6626
            }
          },
          "covered_min": 0,
          "window_min": 98,
          "qualifies": false
        },
        {
          "local_date": "2020-03-07",
          "window": {
            "start": {
              "local": "2020-03-07T18:27:44+04:00",
              "utc": "2020-03-07T14:27:44Z",
              "ms": 1583591263668.1943
            },
            "end": {
              "local": "2020-03-07T20:05:09+04:00",
              "utc": "2020-03-07T16:05:09Z",
              "ms": 1583597108952.366
            }
          },
          "covered_min": 97,
          "window_min": 97,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 07:59 on Sat 7 Mar to 05:02 on Sun 8 Mar.",
          "fact": "2020-03-07T03:59:15Z → 2020-03-08T01:01:40Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–20:05 on the 6th, 18:28–20:05 on the 7th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 6th and 97 of 97 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 32192 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2020: Saturday 7 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-03-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-03-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2020 falls on Saturday 7 March. Trayodaśī runs from 07:59 on Sat 7 Mar to 05:02 on Sun 8 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-03-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/holika-dahana",
      "festival": "holika-dahana",
      "name": "Holikā Dahana",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-03-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11945,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2020-03-09T01:34:14+04:00",
          "utc": "2020-03-08T21:34:14Z",
          "ms": 1583703254307.8884
        },
        "end": {
          "local": "2020-03-09T21:47:45+04:00",
          "utc": "2020-03-09T17:47:45Z",
          "ms": 1583776064611.7764
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-03-09T01:34:14+04:00",
          "utc": "2020-03-08T21:34:14Z",
          "ms": 1583703254307.8884
        },
        "end": {
          "local": "2020-03-09T21:47:45+04:00",
          "utc": "2020-03-09T17:47:45Z",
          "ms": 1583776064611.7764
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2020-03-08",
          "window": {
            "start": {
              "local": "2020-03-08T16:06:14+04:00",
              "utc": "2020-03-08T12:06:14Z",
              "ms": 1583669173929.056
            },
            "end": {
              "local": "2020-03-08T18:28:12+04:00",
              "utc": "2020-03-08T14:28:12Z",
              "ms": 1583677691586.4495
            }
          },
          "covered_min": 0,
          "window_min": 142,
          "qualifies": false
        },
        {
          "local_date": "2020-03-09",
          "window": {
            "start": {
              "local": "2020-03-09T16:06:24+04:00",
              "utc": "2020-03-09T12:06:24Z",
              "ms": 1583755584457.4922
            },
            "end": {
              "local": "2020-03-09T18:28:39+04:00",
              "utc": "2020-03-09T14:28:39Z",
              "ms": 1583764119205.7068
            }
          },
          "covered_min": 142,
          "window_min": 142,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 01:34 on Mon 9 Mar to 21:48 on Mon 9 Mar.",
          "fact": "2020-03-08T21:34:14Z → 2020-03-09T17:47:45Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:06–18:28 on the 8th, 16:06–18:29 on the 9th.",
          "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 142 minutes on the 8th and 142 of 142 on the 9th.",
          "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 11945 s"
        },
        {
          "step": "ruling",
          "text": "Holikā Dahana, Abu Dhabi, 2020: Monday 9 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "holika-dahana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana."
          }
        ],
        "not_evaluated": "The hour the row gives for the rite (\"it should be observed on second half of purnima at night\") is not tested: sāyāhna alone settles the day.",
        "kaala": "sayahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-03-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-03-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Holikā Dahana 2020 falls on Monday 9 March. Pūrṇimā runs from 01:34 on Mon 9 Mar to 21:48 on Mon 9 Mar and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/holi",
      "festival": "holi",
      "name": "Holī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-03-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11945,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2020-03-09T01:34:14+04:00",
          "utc": "2020-03-08T21:34:14Z",
          "ms": 1583703254307.8884
        },
        "end": {
          "local": "2020-03-09T21:47:45+04:00",
          "utc": "2020-03-09T17:47:45Z",
          "ms": 1583776064611.7764
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-03-09T01:34:14+04:00",
          "utc": "2020-03-08T21:34:14Z",
          "ms": 1583703254307.8884
        },
        "end": {
          "local": "2020-03-09T21:47:45+04:00",
          "utc": "2020-03-09T17:47:45Z",
          "ms": 1583776064611.7764
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2020-03-08",
          "window": {
            "start": {
              "local": "2020-03-08T16:06:14+04:00",
              "utc": "2020-03-08T12:06:14Z",
              "ms": 1583669173929.056
            },
            "end": {
              "local": "2020-03-08T18:28:12+04:00",
              "utc": "2020-03-08T14:28:12Z",
              "ms": 1583677691586.4495
            }
          },
          "covered_min": 0,
          "window_min": 142,
          "qualifies": false
        },
        {
          "local_date": "2020-03-09",
          "window": {
            "start": {
              "local": "2020-03-09T16:06:24+04:00",
              "utc": "2020-03-09T12:06:24Z",
              "ms": 1583755584457.4922
            },
            "end": {
              "local": "2020-03-09T18:28:39+04:00",
              "utc": "2020-03-09T14:28:39Z",
              "ms": 1583764119205.7068
            }
          },
          "covered_min": 142,
          "window_min": 142,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "holika-dahana",
        "name": "Holikā Dahana",
        "local_date": "2020-03-09",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 01:34 on Mon 9 Mar to 21:48 on Mon 9 Mar.",
          "fact": "2020-03-08T21:34:14Z → 2020-03-09T17:47:45Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:06–18:28 on the 8th, 16:06–18:29 on the 9th.",
          "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 142 minutes on the 8th and 142 of 142 on the 9th.",
          "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 11945 s"
        },
        {
          "step": "counted",
          "text": "Holī is kept the day after Holikā Dahana: Monday 9 March is the day taken above.",
          "fact": "follows: holika-dahana + 1 d"
        },
        {
          "step": "ruling",
          "text": "Holī, Abu Dhabi, 2020: Tuesday 10 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "holi",
        "follows": {
          "festival": "holika-dahana",
          "days": 1
        },
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana."
          }
        ],
        "kaala": "sayahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-03-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-03-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Holī 2020 falls on Tuesday 10 March. It is kept the day after Holikā Dahana, which falls on Monday 9 March. Pūrṇimā runs from 01:34 on Mon 9 Mar to 21:48 on Mon 9 Mar and covers all of sāyāhna on the 9th.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/vasantotsava",
      "festival": "vasantotsava",
      "name": "Vasantotsava",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-03-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31723,
      "anga": {
        "type": "tithi",
        "index": 15,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2020-03-09T21:47:45+04:00",
          "utc": "2020-03-09T17:47:45Z",
          "ms": 1583776064611.7764
        },
        "end": {
          "local": "2020-03-10T17:53:43+04:00",
          "utc": "2020-03-10T13:53:43Z",
          "ms": 1583848422524.3735
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-03-09T21:47:45+04:00",
          "utc": "2020-03-09T17:47:45Z",
          "ms": 1583776064611.7764
        },
        "end": {
          "local": "2020-03-10T17:53:43+04:00",
          "utc": "2020-03-10T13:53:43Z",
          "ms": 1583848422524.3735
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-03-10",
          "window": {
            "start": {
              "local": "2020-03-10T06:36:27+04:00",
              "utc": "2020-03-10T02:36:27Z",
              "ms": 1583807787219.5818
            },
            "end": {
              "local": "2020-03-10T06:36:27+04:00",
              "utc": "2020-03-10T02:36:27Z",
              "ms": 1583807787219.5818
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-03-11",
          "window": {
            "start": {
              "local": "2020-03-11T06:35:29+04:00",
              "utc": "2020-03-11T02:35:29Z",
              "ms": 1583894128595.5422
            },
            "end": {
              "local": "2020-03-11T06:35:29+04:00",
              "utc": "2020-03-11T02:35:29Z",
              "ms": 1583894128595.5422
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 21:48 on Mon 9 Mar to 17:54 on Tue 10 Mar.",
          "fact": "2020-03-09T17:47:45Z → 2020-03-10T13:53:43Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:36 on the 10th and 06:35 on the 11th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be current at sunrise. It is on the 10th and is not on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 31723 s"
        },
        {
          "step": "ruling",
          "text": "Vasantotsava, Abu Dhabi, 2020: Tuesday 10 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": "2020-03-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-03-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vasantotsava 2020 falls on Tuesday 10 March. Pratipadā runs from 21:48 on Mon 9 Mar to 17:54 on Tue 10 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/sankashta-chaturthi?on=2020-03-12",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-03-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35165,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-03-12T10:29:24+04:00",
          "utc": "2020-03-12T06:29:24Z",
          "ms": 1583994564376.2302
        },
        "end": {
          "local": "2020-03-13T07:20:57+04:00",
          "utc": "2020-03-13T03:20:57Z",
          "ms": 1584069656986.0444
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-03-12T10:29:24+04:00",
          "utc": "2020-03-12T06:29:24Z",
          "ms": 1583994564376.2302
        },
        "end": {
          "local": "2020-03-13T07:20:57+04:00",
          "utc": "2020-03-13T03:20:57Z",
          "ms": 1584069656986.0444
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2020-03-11",
          "window": {
            "start": {
              "local": "2020-03-11T20:29:55+04:00",
              "utc": "2020-03-11T16:29:55Z",
              "ms": 1583944194670.3733
            },
            "end": {
              "local": "2020-03-11T20:29:55+04:00",
              "utc": "2020-03-11T16:29:55Z",
              "ms": 1583944194670.3733
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-03-12",
          "window": {
            "start": {
              "local": "2020-03-12T21:34:52+04:00",
              "utc": "2020-03-12T17:34:52Z",
              "ms": 1584034491980.494
            },
            "end": {
              "local": "2020-03-12T21:34:52+04:00",
              "utc": "2020-03-12T17:34:52Z",
              "ms": 1584034491980.494
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 10:29 on Thu 12 Mar to 07:21 on Fri 13 Mar.",
          "fact": "2020-03-12T06:29:24Z → 2020-03-13T03:20:57Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:30 on the 11th and 21:35 on the 12th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 11th and is on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 35165 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2020: Thursday 12 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-03-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-03-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2020 falls on Thursday 12 March. Caturthī runs from 10:29 on Thu 12 Mar to 07:21 on Fri 13 Mar and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/sankashta-chaturthi?on=2020-03-12",
      "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/2020/shitalashtami",
      "festival": "shitalashtami",
      "name": "Śītalāṣṭamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-03-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37047,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2020-03-16T01:49:41+04:00",
          "utc": "2020-03-15T21:49:41Z",
          "ms": 1584308981326.202
        },
        "end": {
          "local": "2020-03-17T01:30:07+04:00",
          "utc": "2020-03-16T21:30:07Z",
          "ms": 1584394207116.777
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-03-16T01:49:41+04:00",
          "utc": "2020-03-15T21:49:41Z",
          "ms": 1584308981326.202
        },
        "end": {
          "local": "2020-03-17T01:30:07+04:00",
          "utc": "2020-03-16T21:30:07Z",
          "ms": 1584394207116.777
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-03-16",
          "window": {
            "start": {
              "local": "2020-03-16T12:07:08+04:00",
              "utc": "2020-03-16T08:07:08Z",
              "ms": 1584346028294.9316
            },
            "end": {
              "local": "2020-03-16T12:55:08+04:00",
              "utc": "2020-03-16T08:55:08Z",
              "ms": 1584348908294.9316
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-03-17",
          "window": {
            "start": {
              "local": "2020-03-17T12:06:51+04:00",
              "utc": "2020-03-17T08:06:51Z",
              "ms": 1584432411096.4102
            },
            "end": {
              "local": "2020-03-17T12:54:51+04:00",
              "utc": "2020-03-17T08:54:51Z",
              "ms": 1584435291096.4102
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 01:50 on Mon 16 Mar to 01:30 on Tue 17 Mar.",
          "fact": "2020-03-15T21:49:41Z → 2020-03-16T21:30:07Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 16th, 12:07–12:55 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 37047 s"
        },
        {
          "step": "ruling",
          "text": "Śītalāṣṭamī, Abu Dhabi, 2020: Monday 16 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": "2020-03-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-03-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śītalāṣṭamī 2020 falls on Monday 16 March. Aṣṭamī runs from 01:50 on Mon 16 Mar to 01:30 on Tue 17 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ekadashi?on=2020-03-19",
      "festival": "ekadashi",
      "name": "Pāpamocanī Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-03-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6994,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-03-19T02:56:40+04:00",
          "utc": "2020-03-18T22:56:40Z",
          "ms": 1584572199763.8938
        },
        "end": {
          "local": "2020-03-20T04:29:55+04:00",
          "utc": "2020-03-20T00:29:55Z",
          "ms": 1584664195262.8796
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-03-19T02:56:40+04:00",
          "utc": "2020-03-18T22:56:40Z",
          "ms": 1584572199763.8938
        },
        "end": {
          "local": "2020-03-20T04:29:55+04:00",
          "utc": "2020-03-20T00:29:55Z",
          "ms": 1584664195262.8796
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-03-19",
          "window": {
            "start": {
              "local": "2020-03-19T06:27:30+04:00",
              "utc": "2020-03-19T02:27:30Z",
              "ms": 1584584849517.4902
            },
            "end": {
              "local": "2020-03-19T06:27:30+04:00",
              "utc": "2020-03-19T02:27:30Z",
              "ms": 1584584849517.4902
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-03-20",
          "window": {
            "start": {
              "local": "2020-03-20T06:26:29+04:00",
              "utc": "2020-03-20T02:26:29Z",
              "ms": 1584671188784.2173
            },
            "end": {
              "local": "2020-03-20T06:26:29+04:00",
              "utc": "2020-03-20T02:26:29Z",
              "ms": 1584671188784.2173
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:57 on Thu 19 Mar to 04:30 on Fri 20 Mar.",
          "fact": "2020-03-18T22:56:40Z → 2020-03-20T00:29:55Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:27 on the 19th and 06:26 on the 20th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 19th and is not on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 6994 s"
        },
        {
          "step": "ruling",
          "text": "Pāpamocanī Ekādaśī, Abu Dhabi, 2020: Thursday 19 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": "2020-03-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-03-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Pāpamocanī Ekādaśī 2020 falls on Thursday 19 March. Ekādaśī runs from 02:57 on Thu 19 Mar to 04:30 on Fri 20 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-03-19",
      "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/2020/pradosha-vrata?on=2020-03-21",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-03-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35752,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-03-21T06:26:15+04:00",
          "utc": "2020-03-21T02:26:15Z",
          "ms": 1584757574605.488
        },
        "end": {
          "local": "2020-03-22T08:38:27+04:00",
          "utc": "2020-03-22T04:38:27Z",
          "ms": 1584851907187.5706
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-03-21T06:26:15+04:00",
          "utc": "2020-03-21T02:26:15Z",
          "ms": 1584757574605.488
        },
        "end": {
          "local": "2020-03-22T08:38:27+04:00",
          "utc": "2020-03-22T04:38:27Z",
          "ms": 1584851907187.5706
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-03-21",
          "window": {
            "start": {
              "local": "2020-03-21T18:33:54+04:00",
              "utc": "2020-03-21T14:33:54Z",
              "ms": 1584801233727.1848
            },
            "end": {
              "local": "2020-03-21T20:08:38+04:00",
              "utc": "2020-03-21T16:08:38Z",
              "ms": 1584806918168.0002
            }
          },
          "covered_min": 95,
          "window_min": 95,
          "qualifies": true
        },
        {
          "local_date": "2020-03-22",
          "window": {
            "start": {
              "local": "2020-03-22T18:34:19+04:00",
              "utc": "2020-03-22T14:34:19Z",
              "ms": 1584887658961.4443
            },
            "end": {
              "local": "2020-03-22T20:08:52+04:00",
              "utc": "2020-03-22T16:08:52Z",
              "ms": 1584893331908.5256
            }
          },
          "covered_min": 0,
          "window_min": 95,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:26 on Sat 21 Mar to 08:38 on Sun 22 Mar.",
          "fact": "2020-03-21T02:26:15Z → 2020-03-22T04:38:27Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:34–20:09 on the 21st, 18:34–20:09 on the 22nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 95 of 95 minutes on the 21st and 0 of 95 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 35752 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2020: Saturday 21 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-03-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-03-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2020 falls on Saturday 21 March. Trayodaśī runs from 06:26 on Sat 21 Mar to 08:38 on Sun 22 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-03-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/shivaratri?on=2020-03-22",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-03-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27917,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2020-03-22T08:38:27+04:00",
          "utc": "2020-03-22T04:38:27Z",
          "ms": 1584851907187.5706
        },
        "end": {
          "local": "2020-03-23T11:00:39+04:00",
          "utc": "2020-03-23T07:00:39Z",
          "ms": 1584946839010.5203
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-03-22T08:38:27+04:00",
          "utc": "2020-03-22T04:38:27Z",
          "ms": 1584851907187.5706
        },
        "end": {
          "local": "2020-03-23T11:00:39+04:00",
          "utc": "2020-03-23T07:00:39Z",
          "ms": 1584946839010.5203
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2020-03-21",
          "window": {
            "start": {
              "local": "2020-03-22T00:05:10+04:00",
              "utc": "2020-03-21T20:05:10Z",
              "ms": 1584821110380.243
            },
            "end": {
              "local": "2020-03-22T00:53:10+04:00",
              "utc": "2020-03-21T20:53:10Z",
              "ms": 1584823990380.243
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-03-22",
          "window": {
            "start": {
              "local": "2020-03-23T00:04:53+04:00",
              "utc": "2020-03-22T20:04:53Z",
              "ms": 1584907492512.999
            },
            "end": {
              "local": "2020-03-23T00:52:53+04:00",
              "utc": "2020-03-22T20:52:53Z",
              "ms": 1584910372512.999
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 08:38 on Sun 22 Mar to 11:01 on Mon 23 Mar.",
          "fact": "2020-03-22T04:38:27Z → 2020-03-23T07:00:39Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:05–00:53 on the 21st, 00:05–00:53 on the 22nd.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 27917 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2020: Sunday 22 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-03-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-03-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2020 falls on Sunday 22 March. Caturdaśī runs from 08:38 on Sun 22 Mar to 11:01 on Mon 23 Mar and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/shivaratri?on=2020-03-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/navaratra-arambha-caitra",
      "festival": "navaratra-arambha-caitra",
      "name": "Navarātrārambha (Caitra)",
      "everyday": "Chaitra Navratri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-03-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2126,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2020-03-24T13:28:13+04:00",
          "utc": "2020-03-24T09:28:13Z",
          "ms": 1585042092805.0352
        },
        "end": {
          "local": "2020-03-25T15:57:16+04:00",
          "utc": "2020-03-25T11:57:16Z",
          "ms": 1585137435639.6782
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-03-24T13:28:13+04:00",
          "utc": "2020-03-24T09:28:13Z",
          "ms": 1585042092805.0352
        },
        "end": {
          "local": "2020-03-25T15:57:16+04:00",
          "utc": "2020-03-25T11:57:16Z",
          "ms": 1585137435639.6782
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-03-24",
          "window": {
            "start": {
              "local": "2020-03-24T12:04:47+04:00",
              "utc": "2020-03-24T08:04:47Z",
              "ms": 1585037087109.5818
            },
            "end": {
              "local": "2020-03-24T12:52:47+04:00",
              "utc": "2020-03-24T08:52:47Z",
              "ms": 1585039967109.5818
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-03-25",
          "window": {
            "start": {
              "local": "2020-03-25T12:04:29+04:00",
              "utc": "2020-03-25T08:04:29Z",
              "ms": 1585123469096.538
            },
            "end": {
              "local": "2020-03-25T12:52:29+04:00",
              "utc": "2020-03-25T08:52:29Z",
              "ms": 1585126349096.538
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 13:28 on Tue 24 Mar to 15:57 on Wed 25 Mar.",
          "fact": "2020-03-24T09:28:13Z → 2020-03-25T11:57:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 24th, 12:04–12:52 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 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 2126 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha (Caitra), Abu Dhabi, 2020: Wednesday 25 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": "2020-03-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-03-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Navarātrārambha (Caitra) (Chaitra Navratri) 2020 falls on Wednesday 25 March. Pratipadā runs from 13:28 on Tue 24 Mar to 15:57 on Wed 25 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/gauri-tritiya",
      "festival": "gauri-tritiya",
      "name": "Gaurī Tṛtīyā",
      "everyday": "Gangaur",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-03-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19897,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2020-03-26T18:23:48+04:00",
          "utc": "2020-03-26T14:23:48Z",
          "ms": 1585232628346.8484
        },
        "end": {
          "local": "2020-03-27T20:42:55+04:00",
          "utc": "2020-03-27T16:42:55Z",
          "ms": 1585327375072.414
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-03-26T18:23:48+04:00",
          "utc": "2020-03-26T14:23:48Z",
          "ms": 1585232628346.8484
        },
        "end": {
          "local": "2020-03-27T20:42:55+04:00",
          "utc": "2020-03-27T16:42:55Z",
          "ms": 1585327375072.414
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-03-26",
          "window": {
            "start": {
              "local": "2020-03-26T12:04:11+04:00",
              "utc": "2020-03-26T08:04:11Z",
              "ms": 1585209851060.2925
            },
            "end": {
              "local": "2020-03-26T12:52:11+04:00",
              "utc": "2020-03-26T08:52:11Z",
              "ms": 1585212731060.2925
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-03-27",
          "window": {
            "start": {
              "local": "2020-03-27T12:03:53+04:00",
              "utc": "2020-03-27T08:03:53Z",
              "ms": 1585296233017.9866
            },
            "end": {
              "local": "2020-03-27T12:51:53+04:00",
              "utc": "2020-03-27T08:51:53Z",
              "ms": 1585299113017.9866
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 18:24 on Thu 26 Mar to 20:43 on Fri 27 Mar.",
          "fact": "2020-03-26T14:23:48Z → 2020-03-27T16:42:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 26th, 12:04–12:52 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 19897 s"
        },
        {
          "step": "ruling",
          "text": "Gaurī Tṛtīyā, Abu Dhabi, 2020: Friday 27 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": "2020-03-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-03-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Gaurī Tṛtīyā (Gangaur) 2020 falls on Friday 27 March. Tṛtīyā runs from 18:24 on Thu 26 Mar to 20:43 on Fri 27 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/saubhagya-shayana-vrata",
      "festival": "saubhagya-shayana-vrata",
      "name": "Saubhāgya Śayana Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-03-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19897,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2020-03-26T18:23:48+04:00",
          "utc": "2020-03-26T14:23:48Z",
          "ms": 1585232628346.8484
        },
        "end": {
          "local": "2020-03-27T20:42:55+04:00",
          "utc": "2020-03-27T16:42:55Z",
          "ms": 1585327375072.414
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-03-26T18:23:48+04:00",
          "utc": "2020-03-26T14:23:48Z",
          "ms": 1585232628346.8484
        },
        "end": {
          "local": "2020-03-27T20:42:55+04:00",
          "utc": "2020-03-27T16:42:55Z",
          "ms": 1585327375072.414
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-03-26",
          "window": {
            "start": {
              "local": "2020-03-26T12:04:11+04:00",
              "utc": "2020-03-26T08:04:11Z",
              "ms": 1585209851060.2925
            },
            "end": {
              "local": "2020-03-26T12:52:11+04:00",
              "utc": "2020-03-26T08:52:11Z",
              "ms": 1585212731060.2925
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-03-27",
          "window": {
            "start": {
              "local": "2020-03-27T12:03:53+04:00",
              "utc": "2020-03-27T08:03:53Z",
              "ms": 1585296233017.9866
            },
            "end": {
              "local": "2020-03-27T12:51:53+04:00",
              "utc": "2020-03-27T08:51:53Z",
              "ms": 1585299113017.9866
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 18:24 on Thu 26 Mar to 20:43 on Fri 27 Mar.",
          "fact": "2020-03-26T14:23:48Z → 2020-03-27T16:42:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 26th, 12:04–12:52 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 19897 s"
        },
        {
          "step": "ruling",
          "text": "Saubhāgya Śayana Vrata, Abu Dhabi, 2020: Friday 27 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": "2020-03-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-03-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saubhāgya Śayana Vrata 2020 falls on Friday 27 March. Tṛtīyā runs from 18:24 on Thu 26 Mar to 20:43 on Fri 27 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/vinayaka-chaturthi?on=2020-03-28",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-03-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28262,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-03-27T20:42:55+04:00",
          "utc": "2020-03-27T16:42:55Z",
          "ms": 1585327375072.414
        },
        "end": {
          "local": "2020-03-28T22:48:12+04:00",
          "utc": "2020-03-28T18:48:12Z",
          "ms": 1585421291601.561
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-03-27T20:42:55+04:00",
          "utc": "2020-03-27T16:42:55Z",
          "ms": 1585327375072.414
        },
        "end": {
          "local": "2020-03-28T22:48:12+04:00",
          "utc": "2020-03-28T18:48:12Z",
          "ms": 1585421291601.561
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-03-27",
          "window": {
            "start": {
              "local": "2020-03-27T12:03:53+04:00",
              "utc": "2020-03-27T08:03:53Z",
              "ms": 1585296233017.9866
            },
            "end": {
              "local": "2020-03-27T12:51:53+04:00",
              "utc": "2020-03-27T08:51:53Z",
              "ms": 1585299113017.9866
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-03-28",
          "window": {
            "start": {
              "local": "2020-03-28T12:03:35+04:00",
              "utc": "2020-03-28T08:03:35Z",
              "ms": 1585382614986.7856
            },
            "end": {
              "local": "2020-03-28T12:51:35+04:00",
              "utc": "2020-03-28T08:51:35Z",
              "ms": 1585385494986.7856
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 20:43 on Fri 27 Mar to 22:48 on Sat 28 Mar.",
          "fact": "2020-03-27T16:42:55Z → 2020-03-28T18:48:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 27th, 12:04–12:52 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 28262 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2020: Saturday 28 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": "2020-03-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-03-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2020 falls on Saturday 28 March. Caturthī runs from 20:43 on Fri 27 Mar to 22:48 on Sat 28 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/vinayaka-chaturthi?on=2020-03-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/lakshmi-panchami",
      "festival": "lakshmi-panchami",
      "name": "Lakṣmī Pañcamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-03-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35797,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2020-03-28T22:48:12+04:00",
          "utc": "2020-03-28T18:48:12Z",
          "ms": 1585421291601.561
        },
        "end": {
          "local": "2020-03-30T00:31:48+04:00",
          "utc": "2020-03-29T20:31:48Z",
          "ms": 1585513907572.1746
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-03-28T22:48:12+04:00",
          "utc": "2020-03-28T18:48:12Z",
          "ms": 1585421291601.561
        },
        "end": {
          "local": "2020-03-30T00:31:48+04:00",
          "utc": "2020-03-29T20:31:48Z",
          "ms": 1585513907572.1746
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-03-28",
          "window": {
            "start": {
              "local": "2020-03-28T12:03:35+04:00",
              "utc": "2020-03-28T08:03:35Z",
              "ms": 1585382614986.7856
            },
            "end": {
              "local": "2020-03-28T12:51:35+04:00",
              "utc": "2020-03-28T08:51:35Z",
              "ms": 1585385494986.7856
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-03-29",
          "window": {
            "start": {
              "local": "2020-03-29T12:03:17+04:00",
              "utc": "2020-03-29T08:03:17Z",
              "ms": 1585468996983.9224
            },
            "end": {
              "local": "2020-03-29T12:51:17+04:00",
              "utc": "2020-03-29T08:51:17Z",
              "ms": 1585471876983.9224
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 22:48 on Sat 28 Mar to 00:32 on Mon 30 Mar.",
          "fact": "2020-03-28T18:48:12Z → 2020-03-29T20:31:48Z"
        },
        {
          "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": "Pañcamī 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: purvaviddha → only-day · margin 35797 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pañcamī, Abu Dhabi, 2020: Sunday 29 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": "2020-03-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-03-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Lakṣmī Pañcamī 2020 falls on Sunday 29 March. Pañcamī runs from 22:48 on Sat 28 Mar to 00:32 on Mon 30 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/bhavani-utpatti",
      "festival": "bhavani-utpatti",
      "name": "Bhavānī Utpatti",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-04-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34934,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2020-04-01T02:20:10+04:00",
          "utc": "2020-03-31T22:20:10Z",
          "ms": 1585693209746.262
        },
        "end": {
          "local": "2020-04-02T02:10:39+04:00",
          "utc": "2020-04-01T22:10:39Z",
          "ms": 1585779039314.3347
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-04-01T02:20:10+04:00",
          "utc": "2020-03-31T22:20:10Z",
          "ms": 1585693209746.262
        },
        "end": {
          "local": "2020-04-02T02:10:39+04:00",
          "utc": "2020-04-01T22:10:39Z",
          "ms": 1585779039314.3347
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-04-01",
          "window": {
            "start": {
              "local": "2020-04-01T12:02:23+04:00",
              "utc": "2020-04-01T08:02:23Z",
              "ms": 1585728143319.8677
            },
            "end": {
              "local": "2020-04-01T12:50:23+04:00",
              "utc": "2020-04-01T08:50:23Z",
              "ms": 1585731023319.8677
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-04-02",
          "window": {
            "start": {
              "local": "2020-04-02T12:02:06+04:00",
              "utc": "2020-04-02T08:02:06Z",
              "ms": 1585814525606.1243
            },
            "end": {
              "local": "2020-04-02T12:50:06+04:00",
              "utc": "2020-04-02T08:50:06Z",
              "ms": 1585817405606.1243
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 02:20 on Wed 1 Apr to 02:11 on Thu 2 Apr.",
          "fact": "2020-03-31T22:20:10Z → 2020-04-01T22:10:39Z"
        },
        {
          "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": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 34934 s"
        },
        {
          "step": "ruling",
          "text": "Bhavānī Utpatti, Abu Dhabi, 2020: Wednesday 1 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bhavani-utpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-04-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-04-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Bhavānī Utpatti 2020 falls on Wednesday 1 April. Aṣṭamī runs from 02:20 on Wed 1 Apr to 02:11 on Thu 2 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/rama-navami",
      "festival": "rama-navami",
      "name": "Rāma Navamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-04-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35486,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2020-04-02T02:10:39+04:00",
          "utc": "2020-04-01T22:10:39Z",
          "ms": 1585779039314.3347
        },
        "end": {
          "local": "2020-04-03T01:13:25+04:00",
          "utc": "2020-04-02T21:13:25Z",
          "ms": 1585862005222.2249
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-04-02T02:10:39+04:00",
          "utc": "2020-04-01T22:10:39Z",
          "ms": 1585779039314.3347
        },
        "end": {
          "local": "2020-04-03T01:13:25+04:00",
          "utc": "2020-04-02T21:13:25Z",
          "ms": 1585862005222.2249
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-04-02",
          "window": {
            "start": {
              "local": "2020-04-02T12:02:06+04:00",
              "utc": "2020-04-02T08:02:06Z",
              "ms": 1585814525606.1243
            },
            "end": {
              "local": "2020-04-02T12:50:06+04:00",
              "utc": "2020-04-02T08:50:06Z",
              "ms": 1585817405606.1243
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-04-03",
          "window": {
            "start": {
              "local": "2020-04-03T12:01:48+04:00",
              "utc": "2020-04-03T08:01:48Z",
              "ms": 1585900908010.3901
            },
            "end": {
              "local": "2020-04-03T12:49:48+04:00",
              "utc": "2020-04-03T08:49:48Z",
              "ms": 1585903788010.3901
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 02:11 on Thu 2 Apr to 01:13 on Fri 3 Apr.",
          "fact": "2020-04-01T22:10:39Z → 2020-04-02T21:13:25Z"
        },
        {
          "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": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 35486 s"
        },
        {
          "step": "ruling",
          "text": "Rāma Navamī, Abu Dhabi, 2020: Thursday 2 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rama-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti."
          }
        ],
        "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.",
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-04-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-04-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Rāma Navamī 2020 falls on Thursday 2 April. Navamī runs from 02:11 on Thu 2 Apr to 01:13 on Fri 3 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ekadashi?on=2020-04-04",
      "festival": "ekadashi",
      "name": "Kāmadā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-04-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24152,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-04-03T23:28:47+04:00",
          "utc": "2020-04-03T19:28:47Z",
          "ms": 1585942127491.847
        },
        "end": {
          "local": "2020-04-04T21:00:34+04:00",
          "utc": "2020-04-04T17:00:34Z",
          "ms": 1586019633555.2668
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-04-03T23:28:47+04:00",
          "utc": "2020-04-03T19:28:47Z",
          "ms": 1585942127491.847
        },
        "end": {
          "local": "2020-04-04T21:00:34+04:00",
          "utc": "2020-04-04T17:00:34Z",
          "ms": 1586019633555.2668
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-04-04",
          "window": {
            "start": {
              "local": "2020-04-04T06:11:19+04:00",
              "utc": "2020-04-04T02:11:19Z",
              "ms": 1585966279059.8176
            },
            "end": {
              "local": "2020-04-04T06:11:19+04:00",
              "utc": "2020-04-04T02:11:19Z",
              "ms": 1585966279059.8176
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-04-05",
          "window": {
            "start": {
              "local": "2020-04-05T06:10:20+04:00",
              "utc": "2020-04-05T02:10:20Z",
              "ms": 1586052619618.1772
            },
            "end": {
              "local": "2020-04-05T06:10:20+04:00",
              "utc": "2020-04-05T02:10:20Z",
              "ms": 1586052619618.1772
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 23:29 on Fri 3 Apr to 21:01 on Sat 4 Apr.",
          "fact": "2020-04-03T19:28:47Z → 2020-04-04T17:00:34Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:11 on the 4th and 06:10 on the 5th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 4th and is not on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 24152 s"
        },
        {
          "step": "ruling",
          "text": "Kāmadā Ekādaśī, Abu Dhabi, 2020: Saturday 4 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-04-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-04-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kāmadā Ekādaśī 2020 falls on Saturday 4 April. Ekādaśī runs from 23:29 on Fri 3 Apr to 21:01 on Sat 4 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-04-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-04-05",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-04-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2680,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-04-05T17:55:27+04:00",
          "utc": "2020-04-05T13:55:27Z",
          "ms": 1586094926989.4458
        },
        "end": {
          "local": "2020-04-06T14:22:24+04:00",
          "utc": "2020-04-06T10:22:24Z",
          "ms": 1586168544283.8848
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-04-05T17:55:27+04:00",
          "utc": "2020-04-05T13:55:27Z",
          "ms": 1586094926989.4458
        },
        "end": {
          "local": "2020-04-06T14:22:24+04:00",
          "utc": "2020-04-06T10:22:24Z",
          "ms": 1586168544283.8848
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-04-05",
          "window": {
            "start": {
              "local": "2020-04-05T18:40:07+04:00",
              "utc": "2020-04-05T14:40:07Z",
              "ms": 1586097606885.8386
            },
            "end": {
              "local": "2020-04-05T20:12:01+04:00",
              "utc": "2020-04-05T16:12:01Z",
              "ms": 1586103120697.8694
            }
          },
          "covered_min": 92,
          "window_min": 92,
          "qualifies": true
        },
        {
          "local_date": "2020-04-06",
          "window": {
            "start": {
              "local": "2020-04-06T18:40:32+04:00",
              "utc": "2020-04-06T14:40:32Z",
              "ms": 1586184031786.5347
            },
            "end": {
              "local": "2020-04-06T20:12:14+04:00",
              "utc": "2020-04-06T16:12:14Z",
              "ms": 1586189534436.6348
            }
          },
          "covered_min": 0,
          "window_min": 92,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 17:55 on Sun 5 Apr to 14:22 on Mon 6 Apr.",
          "fact": "2020-04-05T13:55:27Z → 2020-04-06T10:22:24Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–20:12 on the 5th, 18:41–20:12 on the 6th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 5th and 0 of 92 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2680 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2020: Sunday 5 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": "2020-04-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-04-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2020 falls on Sunday 5 April. Trayodaśī runs from 17:55 on Sun 5 Apr to 14:22 on Mon 6 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-04-05",
      "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/2020/ananga-trayodashi",
      "festival": "ananga-trayodashi",
      "name": "Anaṅga Trayodaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-04-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5608,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-04-05T17:55:27+04:00",
          "utc": "2020-04-05T13:55:27Z",
          "ms": 1586094926989.4458
        },
        "end": {
          "local": "2020-04-06T14:22:24+04:00",
          "utc": "2020-04-06T10:22:24Z",
          "ms": 1586168544283.8848
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-04-05T17:55:27+04:00",
          "utc": "2020-04-05T13:55:27Z",
          "ms": 1586094926989.4458
        },
        "end": {
          "local": "2020-04-06T14:22:24+04:00",
          "utc": "2020-04-06T10:22:24Z",
          "ms": 1586168544283.8848
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-04-05",
          "window": {
            "start": {
              "local": "2020-04-05T12:01:13+04:00",
              "utc": "2020-04-05T08:01:13Z",
              "ms": 1586073673252.0078
            },
            "end": {
              "local": "2020-04-05T12:49:13+04:00",
              "utc": "2020-04-05T08:49:13Z",
              "ms": 1586076553252.0078
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-04-06",
          "window": {
            "start": {
              "local": "2020-04-06T12:00:56+04:00",
              "utc": "2020-04-06T08:00:56Z",
              "ms": 1586160056131.302
            },
            "end": {
              "local": "2020-04-06T12:48:56+04:00",
              "utc": "2020-04-06T08:48:56Z",
              "ms": 1586162936131.302
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 17:55 on Sun 5 Apr to 14:22 on Mon 6 Apr.",
          "fact": "2020-04-05T13:55:27Z → 2020-04-06T10:22:24Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 5th, 12:01–12:49 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 5608 s"
        },
        {
          "step": "ruling",
          "text": "Anaṅga Trayodaśī, Abu Dhabi, 2020: Monday 6 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ananga-trayodashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-04-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-04-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Anaṅga Trayodaśī 2020 falls on Monday 6 April. Trayodaśī runs from 17:55 on Sun 5 Apr to 14:22 on Mon 6 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/vishnu-damanaka-chaturdashi",
      "festival": "vishnu-damanaka-chaturdashi",
      "name": "Viṣṇudamanaka Caturdaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-04-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5328,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2020-04-06T14:22:24+04:00",
          "utc": "2020-04-06T10:22:24Z",
          "ms": 1586168544283.8848
        },
        "end": {
          "local": "2020-04-07T10:31:51+04:00",
          "utc": "2020-04-07T06:31:51Z",
          "ms": 1586241111307.523
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-04-06T14:22:24+04:00",
          "utc": "2020-04-06T10:22:24Z",
          "ms": 1586168544283.8848
        },
        "end": {
          "local": "2020-04-07T10:31:51+04:00",
          "utc": "2020-04-07T06:31:51Z",
          "ms": 1586241111307.523
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-04-06",
          "window": {
            "start": {
              "local": "2020-04-06T12:00:56+04:00",
              "utc": "2020-04-06T08:00:56Z",
              "ms": 1586160056131.302
            },
            "end": {
              "local": "2020-04-06T12:48:56+04:00",
              "utc": "2020-04-06T08:48:56Z",
              "ms": 1586162936131.302
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-04-07",
          "window": {
            "start": {
              "local": "2020-04-07T12:00:39+04:00",
              "utc": "2020-04-07T08:00:39Z",
              "ms": 1586246439212.411
            },
            "end": {
              "local": "2020-04-07T12:48:39+04:00",
              "utc": "2020-04-07T08:48:39Z",
              "ms": 1586249319212.411
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 14:22 on Mon 6 Apr to 10:32 on Tue 7 Apr.",
          "fact": "2020-04-06T10:22:24Z → 2020-04-07T06:31:51Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 6th, 12:01–12:49 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 0 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: paraviddha → second-day · margin 5328 s"
        },
        {
          "step": "ruling",
          "text": "Viṣṇudamanaka Caturdaśī, Abu Dhabi, 2020: Tuesday 7 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vishnu-damanaka-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-04-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-04-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Viṣṇudamanaka Caturdaśī 2020 falls on Tuesday 7 April. Caturdaśī runs from 14:22 on Mon 6 Apr to 10:32 on Tue 7 Apr, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/chaitri-purnima",
      "festival": "chaitri-purnima",
      "name": "Caitrī Pūrṇimā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-04-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5328,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2020-04-07T10:31:51+04:00",
          "utc": "2020-04-07T06:31:51Z",
          "ms": 1586241111307.523
        },
        "end": {
          "local": "2020-04-08T06:35:05+04:00",
          "utc": "2020-04-08T02:35:05Z",
          "ms": 1586313305197.4956
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-04-07T10:31:51+04:00",
          "utc": "2020-04-07T06:31:51Z",
          "ms": 1586241111307.523
        },
        "end": {
          "local": "2020-04-08T06:35:05+04:00",
          "utc": "2020-04-08T02:35:05Z",
          "ms": 1586313305197.4956
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-04-07",
          "window": {
            "start": {
              "local": "2020-04-07T12:00:39+04:00",
              "utc": "2020-04-07T08:00:39Z",
              "ms": 1586246439212.411
            },
            "end": {
              "local": "2020-04-07T12:48:39+04:00",
              "utc": "2020-04-07T08:48:39Z",
              "ms": 1586249319212.411
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-04-08",
          "window": {
            "start": {
              "local": "2020-04-08T12:00:23+04:00",
              "utc": "2020-04-08T08:00:23Z",
              "ms": 1586332822518.147
            },
            "end": {
              "local": "2020-04-08T12:48:23+04:00",
              "utc": "2020-04-08T08:48:23Z",
              "ms": 1586335702518.147
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 10:32 on Tue 7 Apr to 06:35 on Wed 8 Apr.",
          "fact": "2020-04-07T06:31:51Z → 2020-04-08T02:35:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 7th, 12:00–12:48 on the 8th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 5328 s"
        },
        {
          "step": "ruling",
          "text": "Caitrī Pūrṇimā, Abu Dhabi, 2020: Tuesday 7 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": "2020-04-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-04-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Caitrī Pūrṇimā 2020 falls on Tuesday 7 April. Pūrṇimā runs from 10:32 on Tue 7 Apr to 06:35 on Wed 8 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/sankashta-chaturthi?on=2020-04-10",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-04-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4974,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-04-10T20:02:03+04:00",
          "utc": "2020-04-10T16:02:03Z",
          "ms": 1586534523477.4395
        },
        "end": {
          "local": "2020-04-11T17:31:55+04:00",
          "utc": "2020-04-11T13:31:55Z",
          "ms": 1586611915456.4453
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-04-10T20:02:03+04:00",
          "utc": "2020-04-10T16:02:03Z",
          "ms": 1586534523477.4395
        },
        "end": {
          "local": "2020-04-11T17:31:55+04:00",
          "utc": "2020-04-11T13:31:55Z",
          "ms": 1586611915456.4453
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2020-04-10",
          "window": {
            "start": {
              "local": "2020-04-10T21:24:58+04:00",
              "utc": "2020-04-10T17:24:58Z",
              "ms": 1586539497510.4531
            },
            "end": {
              "local": "2020-04-10T21:24:58+04:00",
              "utc": "2020-04-10T17:24:58Z",
              "ms": 1586539497510.4531
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-04-11",
          "window": {
            "start": {
              "local": "2020-04-11T22:29:58+04:00",
              "utc": "2020-04-11T18:29:58Z",
              "ms": 1586629797548.4
            },
            "end": {
              "local": "2020-04-11T22:29:58+04:00",
              "utc": "2020-04-11T18:29:58Z",
              "ms": 1586629797548.4
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 20:02 on Fri 10 Apr to 17:32 on Sat 11 Apr.",
          "fact": "2020-04-10T16:02:03Z → 2020-04-11T13:31:55Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:25 on the 10th and 22:30 on the 11th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 10th and is not on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 4974 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2020: Friday 10 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": "2020-04-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-04-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2020 falls on Friday 10 April. Caturthī runs from 20:02 on Fri 10 Apr to 17:32 on Sat 11 Apr and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/sankashta-chaturthi?on=2020-04-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/vaishakhi",
      "festival": "vaishakhi",
      "name": "Vaiśākhī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-04-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 40119,
      "anga": {
        "type": "sankranti",
        "index": 0,
        "key": "mesha",
        "name": "Meṣa",
        "start": {
          "local": "2020-04-13T18:53:03+04:00",
          "utc": "2020-04-13T14:53:03Z",
          "ms": 1586789582564.9207
        },
        "end": {
          "local": "2020-05-14T15:46:13+04:00",
          "utc": "2020-05-14T11:46:13Z",
          "ms": 1589456772718.1482
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2020-04-13T18:53:03+04:00",
          "utc": "2020-04-13T14:53:03Z",
          "ms": 1586789582564.9207
        },
        "end": {
          "local": "2020-04-13T18:53:03+04:00",
          "utc": "2020-04-13T14:53:03Z",
          "ms": 1586789582564.9207
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2020-04-13",
          "window": {
            "start": {
              "local": "2020-04-13T06:02:37+04:00",
              "utc": "2020-04-13T02:02:37Z",
              "ms": 1586743357290.3955
            },
            "end": {
              "local": "2020-04-14T06:01:42+04:00",
              "utc": "2020-04-14T02:01:42Z",
              "ms": 1586829701572.4316
            }
          },
          "covered_min": 1,
          "window_min": 1439,
          "qualifies": true
        },
        {
          "local_date": "2020-04-14",
          "window": {
            "start": {
              "local": "2020-04-14T06:01:42+04:00",
              "utc": "2020-04-14T02:01:42Z",
              "ms": 1586829701572.4316
            },
            "end": {
              "local": "2020-04-15T06:00:46+04:00",
              "utc": "2020-04-15T02:00:46Z",
              "ms": 1586916046402.9128
            }
          },
          "covered_min": 0,
          "window_min": 1439,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Meṣa at 18:53 on Mon 13 Apr.",
          "fact": "2020-04-13T14:53:03Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 06:03 on the 13th, and from 06:02 on the 14th.",
          "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunrise → only-day · margin 40119 s"
        },
        {
          "step": "ruling",
          "text": "Vaiśākhī, Abu Dhabi, 2020: Monday 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": "2020-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2020-04-13",
          "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": "2020-04-14",
          "statement": "Past sunset, the next day (the Tamil rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        }
      ],
      "quote": "In Abu Dhabi, Vaiśākhī 2020 falls on Monday 13 April. The Sun enters Meṣa at 18:53 on Mon 13 Apr, and the rule counts the day from sunrise. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ekadashi?on=2020-04-18",
      "festival": "ekadashi",
      "name": "Varūthinī Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-04-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32958,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-04-17T18:34:11+04:00",
          "utc": "2020-04-17T14:34:11Z",
          "ms": 1587134050724.3997
        },
        "end": {
          "local": "2020-04-18T20:47:54+04:00",
          "utc": "2020-04-18T16:47:54Z",
          "ms": 1587228473926.2234
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-04-17T18:34:11+04:00",
          "utc": "2020-04-17T14:34:11Z",
          "ms": 1587134050724.3997
        },
        "end": {
          "local": "2020-04-18T20:47:54+04:00",
          "utc": "2020-04-18T16:47:54Z",
          "ms": 1587228473926.2234
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-04-18",
          "window": {
            "start": {
              "local": "2020-04-18T05:58:04+04:00",
              "utc": "2020-04-18T01:58:04Z",
              "ms": 1587175084422.7993
            },
            "end": {
              "local": "2020-04-18T05:58:04+04:00",
              "utc": "2020-04-18T01:58:04Z",
              "ms": 1587175084422.7993
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-04-19",
          "window": {
            "start": {
              "local": "2020-04-19T05:57:12+04:00",
              "utc": "2020-04-19T01:57:12Z",
              "ms": 1587261431681.773
            },
            "end": {
              "local": "2020-04-19T05:57:12+04:00",
              "utc": "2020-04-19T01:57:12Z",
              "ms": 1587261431681.773
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 18:34 on Fri 17 Apr to 20:48 on Sat 18 Apr.",
          "fact": "2020-04-17T14:34:11Z → 2020-04-18T16:47:54Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:58 on the 18th and 05:57 on the 19th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 18th and is not on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 32958 s"
        },
        {
          "step": "ruling",
          "text": "Varūthinī Ekādaśī, Abu Dhabi, 2020: Saturday 18 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-04-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-04-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Varūthinī Ekādaśī 2020 falls on Saturday 18 April. Ekādaśī runs from 18:34 on Fri 17 Apr to 20:48 on Sat 18 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-04-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-04-20",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-04-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10675,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-04-19T23:13:24+04:00",
          "utc": "2020-04-19T19:13:24Z",
          "ms": 1587323604032.774
        },
        "end": {
          "local": "2020-04-21T01:42:18+04:00",
          "utc": "2020-04-20T21:42:18Z",
          "ms": 1587418938191.2366
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-04-19T23:13:24+04:00",
          "utc": "2020-04-19T19:13:24Z",
          "ms": 1587323604032.774
        },
        "end": {
          "local": "2020-04-21T01:42:18+04:00",
          "utc": "2020-04-20T21:42:18Z",
          "ms": 1587418938191.2366
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-04-19",
          "window": {
            "start": {
              "local": "2020-04-19T18:46:07+04:00",
              "utc": "2020-04-19T14:46:07Z",
              "ms": 1587307567201.1846
            },
            "end": {
              "local": "2020-04-19T20:15:29+04:00",
              "utc": "2020-04-19T16:15:29Z",
              "ms": 1587312928854.8494
            }
          },
          "covered_min": 0,
          "window_min": 89,
          "qualifies": false
        },
        {
          "local_date": "2020-04-20",
          "window": {
            "start": {
              "local": "2020-04-20T18:46:34+04:00",
              "utc": "2020-04-20T14:46:34Z",
              "ms": 1587393994200.543
            },
            "end": {
              "local": "2020-04-20T20:15:45+04:00",
              "utc": "2020-04-20T16:15:45Z",
              "ms": 1587399345401.7766
            }
          },
          "covered_min": 89,
          "window_min": 89,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 23:13 on Sun 19 Apr to 01:42 on Tue 21 Apr.",
          "fact": "2020-04-19T19:13:24Z → 2020-04-20T21:42:18Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:46–20:15 on the 19th, 18:47–20:16 on the 20th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 89 minutes on the 19th and 89 of 89 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 10675 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2020: Monday 20 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-04-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-04-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2020 falls on Monday 20 April. Trayodaśī runs from 23:13 on Sun 19 Apr to 01:42 on Tue 21 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-04-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/shivaratri?on=2020-04-21",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-04-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3437,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2020-04-21T01:42:18+04:00",
          "utc": "2020-04-20T21:42:18Z",
          "ms": 1587418938191.2366
        },
        "end": {
          "local": "2020-04-22T04:08:05+04:00",
          "utc": "2020-04-22T00:08:05Z",
          "ms": 1587514084775.2393
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-04-21T01:42:18+04:00",
          "utc": "2020-04-20T21:42:18Z",
          "ms": 1587418938191.2366
        },
        "end": {
          "local": "2020-04-22T04:08:05+04:00",
          "utc": "2020-04-22T00:08:05Z",
          "ms": 1587514084775.2393
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2020-04-20",
          "window": {
            "start": {
              "local": "2020-04-20T23:57:01+04:00",
              "utc": "2020-04-20T19:57:01Z",
              "ms": 1587412621205.169
            },
            "end": {
              "local": "2020-04-21T00:45:01+04:00",
              "utc": "2020-04-20T20:45:01Z",
              "ms": 1587415501205.169
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-04-21",
          "window": {
            "start": {
              "local": "2020-04-21T23:56:49+04:00",
              "utc": "2020-04-21T19:56:49Z",
              "ms": 1587499009453.916
            },
            "end": {
              "local": "2020-04-22T00:44:49+04:00",
              "utc": "2020-04-21T20:44:49Z",
              "ms": 1587501889453.916
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 01:42 on Tue 21 Apr to 04:08 on Wed 22 Apr.",
          "fact": "2020-04-20T21:42:18Z → 2020-04-22T00:08:05Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:57–00:45 on the 20th, 23:57–00:45 on the 21st.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 3437 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2020: Tuesday 21 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": "2020-04-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-04-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2020 falls on Tuesday 21 April. Caturdaśī runs from 01:42 on Tue 21 Apr to 04:08 on Wed 22 Apr and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/shivaratri?on=2020-04-21",
      "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/2020/parashurama-jayanti",
      "festival": "parashurama-jayanti",
      "name": "Paraśurāma Jayantī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-04-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24965,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2020-04-25T10:22:13+04:00",
          "utc": "2020-04-25T06:22:13Z",
          "ms": 1587795733034.6099
        },
        "end": {
          "local": "2020-04-26T11:53:15+04:00",
          "utc": "2020-04-26T07:53:15Z",
          "ms": 1587887594890.708
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-04-25T10:22:13+04:00",
          "utc": "2020-04-25T06:22:13Z",
          "ms": 1587795733034.6099
        },
        "end": {
          "local": "2020-04-26T11:53:15+04:00",
          "utc": "2020-04-26T07:53:15Z",
          "ms": 1587887594890.708
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-04-25",
          "window": {
            "start": {
              "local": "2020-04-25T18:48:52+04:00",
              "utc": "2020-04-25T14:48:52Z",
              "ms": 1587826131964.5366
            },
            "end": {
              "local": "2020-04-25T20:17:12+04:00",
              "utc": "2020-04-25T16:17:12Z",
              "ms": 1587831431998.2976
            }
          },
          "covered_min": 88,
          "window_min": 88,
          "qualifies": true
        },
        {
          "local_date": "2020-04-26",
          "window": {
            "start": {
              "local": "2020-04-26T18:49:20+04:00",
              "utc": "2020-04-26T14:49:20Z",
              "ms": 1587912560049.7268
            },
            "end": {
              "local": "2020-04-26T20:17:30+04:00",
              "utc": "2020-04-26T16:17:30Z",
              "ms": 1587917850090.0645
            }
          },
          "covered_min": 0,
          "window_min": 88,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 10:22 on Sat 25 Apr to 11:53 on Sun 26 Apr.",
          "fact": "2020-04-25T06:22:13Z → 2020-04-26T07:53:15Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:17 on the 25th, 18:49–20:18 on the 26th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pradoṣa. It covers 88 of 88 minutes on the 25th and 0 of 88 on the 26th.",
          "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 24965 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Jayantī, Abu Dhabi, 2020: Saturday 25 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "parashurama-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)."
          }
        ],
        "kaala": "pradosha",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-04-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-04-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Paraśurāma Jayantī 2020 falls on Saturday 25 April. Tṛtīyā runs from 10:22 on Sat 25 Apr to 11:53 on Sun 26 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/akshaya-tritiya",
      "festival": "akshaya-tritiya",
      "name": "Akṣaya Tṛtīyā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-04-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 669,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2020-04-25T10:22:13+04:00",
          "utc": "2020-04-25T06:22:13Z",
          "ms": 1587795733034.6099
        },
        "end": {
          "local": "2020-04-26T11:53:15+04:00",
          "utc": "2020-04-26T07:53:15Z",
          "ms": 1587887594890.708
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-04-25T10:22:13+04:00",
          "utc": "2020-04-25T06:22:13Z",
          "ms": 1587795733034.6099
        },
        "end": {
          "local": "2020-04-26T11:53:15+04:00",
          "utc": "2020-04-26T07:53:15Z",
          "ms": 1587887594890.708
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2020-04-25",
          "window": {
            "start": {
              "local": "2020-04-25T05:52:10+04:00",
              "utc": "2020-04-25T01:52:10Z",
              "ms": 1587779529886.5303
            },
            "end": {
              "local": "2020-04-25T10:11:04+04:00",
              "utc": "2020-04-25T06:11:04Z",
              "ms": 1587795063912.5325
            }
          },
          "covered_min": 0,
          "window_min": 259,
          "qualifies": false
        },
        {
          "local_date": "2020-04-26",
          "window": {
            "start": {
              "local": "2020-04-26T05:51:22+04:00",
              "utc": "2020-04-26T01:51:22Z",
              "ms": 1587865882217.7432
            },
            "end": {
              "local": "2020-04-26T10:10:41+04:00",
              "utc": "2020-04-26T06:10:41Z",
              "ms": 1587881441495.071
            }
          },
          "covered_min": 259,
          "window_min": 259,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 10:22 on Sat 25 Apr to 11:53 on Sun 26 Apr.",
          "fact": "2020-04-25T06:22:13Z → 2020-04-26T07:53:15Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:52–10:11 on the 25th, 05:51–10:11 on the 26th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 259 minutes on the 25th and 259 of 259 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one forenoon qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 669 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Tṛtīyā, Abu Dhabi, 2020: Sunday 26 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": "2020-04-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-04-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Akṣaya Tṛtīyā 2020 falls on Sunday 26 April. Tṛtīyā runs from 10:22 on Sat 25 Apr to 11:53 on Sun 26 Apr and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/vinayaka-chaturthi?on=2020-04-26",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-04-26",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin",
        "tie-break-unstated"
      ],
      "boundary_margin_s": 186,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-04-26T11:53:15+04:00",
          "utc": "2020-04-26T07:53:15Z",
          "ms": 1587887594890.708
        },
        "end": {
          "local": "2020-04-27T13:00:17+04:00",
          "utc": "2020-04-27T09:00:17Z",
          "ms": 1587978017209.867
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-04-26T11:53:15+04:00",
          "utc": "2020-04-26T07:53:15Z",
          "ms": 1587887594890.708
        },
        "end": {
          "local": "2020-04-27T13:00:17+04:00",
          "utc": "2020-04-27T09:00:17Z",
          "ms": 1587978017209.867
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-04-26",
          "window": {
            "start": {
              "local": "2020-04-26T11:56:21+04:00",
              "utc": "2020-04-26T07:56:21Z",
              "ms": 1587887781133.7349
            },
            "end": {
              "local": "2020-04-26T12:44:21+04:00",
              "utc": "2020-04-26T08:44:21Z",
              "ms": 1587890661133.7349
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-04-27",
          "window": {
            "start": {
              "local": "2020-04-27T11:56:12+04:00",
              "utc": "2020-04-27T07:56:12Z",
              "ms": 1587974171826.8252
            },
            "end": {
              "local": "2020-04-27T12:44:12+04:00",
              "utc": "2020-04-27T08:44:12Z",
              "ms": 1587977051826.8252
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:53 on Sun 26 Apr to 13:00 on Mon 27 Apr.",
          "fact": "2020-04-26T07:53:15Z → 2020-04-27T09:00:17Z"
        },
        {
          "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 48 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 186 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2020: Sunday 26 April.",
          "fact": "confidence: boundary (margin, tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-04-26",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-04-27",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2020 falls on Sunday 26 April. Caturthī runs from 11:53 on Sun 26 Apr to 13:00 on Mon 27 Apr and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 3 min 06 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/vinayaka-chaturthi?on=2020-04-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/shankara-jayanti",
      "festival": "shankara-jayanti",
      "name": "Śaṅkara Jayantī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-04-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 965,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2020-04-27T13:00:17+04:00",
          "utc": "2020-04-27T09:00:17Z",
          "ms": 1587978017209.867
        },
        "end": {
          "local": "2020-04-28T13:38:21+04:00",
          "utc": "2020-04-28T09:38:21Z",
          "ms": 1588066701296.5894
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-04-27T13:00:17+04:00",
          "utc": "2020-04-27T09:00:17Z",
          "ms": 1587978017209.867
        },
        "end": {
          "local": "2020-04-28T13:38:21+04:00",
          "utc": "2020-04-28T09:38:21Z",
          "ms": 1588066701296.5894
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-04-27",
          "window": {
            "start": {
              "local": "2020-04-27T11:56:12+04:00",
              "utc": "2020-04-27T07:56:12Z",
              "ms": 1587974171826.8252
            },
            "end": {
              "local": "2020-04-27T12:44:12+04:00",
              "utc": "2020-04-27T08:44:12Z",
              "ms": 1587977051826.8252
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-04-28",
          "window": {
            "start": {
              "local": "2020-04-28T11:56:03+04:00",
              "utc": "2020-04-28T07:56:03Z",
              "ms": 1588060563011.2104
            },
            "end": {
              "local": "2020-04-28T12:44:03+04:00",
              "utc": "2020-04-28T08:44:03Z",
              "ms": 1588063443011.2104
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 13:00 on Mon 27 Apr to 13:38 on Tue 28 Apr.",
          "fact": "2020-04-27T09:00:17Z → 2020-04-28T09:38:21Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 27th, 11:56–12:44 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 965 s"
        },
        {
          "step": "ruling",
          "text": "Śaṅkara Jayantī, Abu Dhabi, 2020: Tuesday 28 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": "2020-04-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-04-28",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Śaṅkara Jayantī 2020 falls on Tuesday 28 April. Pañcamī runs from 13:00 on Mon 27 Apr to 13:38 on Tue 28 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/gangotpatti",
      "festival": "gangotpatti",
      "name": "Gaṅgotpatti",
      "everyday": "Ganga Saptami",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-04-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1549,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2020-04-29T13:42:41+04:00",
          "utc": "2020-04-29T09:42:41Z",
          "ms": 1588153361416.0273
        },
        "end": {
          "local": "2020-04-30T13:09:36+04:00",
          "utc": "2020-04-30T09:09:36Z",
          "ms": 1588237775806.7065
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-04-29T13:42:41+04:00",
          "utc": "2020-04-29T09:42:41Z",
          "ms": 1588153361416.0273
        },
        "end": {
          "local": "2020-04-30T13:09:36+04:00",
          "utc": "2020-04-30T09:09:36Z",
          "ms": 1588237775806.7065
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-04-29",
          "window": {
            "start": {
              "local": "2020-04-29T11:55:55+04:00",
              "utc": "2020-04-29T07:55:55Z",
              "ms": 1588146954693.0503
            },
            "end": {
              "local": "2020-04-29T12:43:55+04:00",
              "utc": "2020-04-29T08:43:55Z",
              "ms": 1588149834693.0503
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-04-30",
          "window": {
            "start": {
              "local": "2020-04-30T11:55:47+04:00",
              "utc": "2020-04-30T07:55:47Z",
              "ms": 1588233346878.4036
            },
            "end": {
              "local": "2020-04-30T12:43:47+04:00",
              "utc": "2020-04-30T08:43:47Z",
              "ms": 1588236226878.4036
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 13:43 on Wed 29 Apr to 13:10 on Thu 30 Apr.",
          "fact": "2020-04-29T09:42:41Z → 2020-04-30T09:09:36Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 29th, 11:56–12:44 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 1549 s"
        },
        {
          "step": "ruling",
          "text": "Gaṅgotpatti, Abu Dhabi, 2020: Thursday 30 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": "2020-04-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-04-30",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Gaṅgotpatti (Ganga Saptami) 2020 falls on Thursday 30 April. Saptamī runs from 13:43 on Wed 29 Apr to 13:10 on Thu 30 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ekadashi?on=2020-05-03",
      "festival": "ekadashi",
      "name": "Mohinī Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-05-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3736,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-05-03T07:39:45+04:00",
          "utc": "2020-05-03T03:39:45Z",
          "ms": 1588477184871.3984
        },
        "end": {
          "local": "2020-05-04T04:43:15+04:00",
          "utc": "2020-05-04T00:43:15Z",
          "ms": 1588552995206.514
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-05-03T07:39:45+04:00",
          "utc": "2020-05-03T03:39:45Z",
          "ms": 1588477184871.3984
        },
        "end": {
          "local": "2020-05-04T04:43:15+04:00",
          "utc": "2020-05-04T00:43:15Z",
          "ms": 1588552995206.514
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-05-03",
          "window": {
            "start": {
              "local": "2020-05-03T05:46:12+04:00",
              "utc": "2020-05-03T01:46:12Z",
              "ms": 1588470372092.2637
            },
            "end": {
              "local": "2020-05-03T05:46:12+04:00",
              "utc": "2020-05-03T01:46:12Z",
              "ms": 1588470372092.2637
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-05-04",
          "window": {
            "start": {
              "local": "2020-05-04T05:45:31+04:00",
              "utc": "2020-05-04T01:45:31Z",
              "ms": 1588556731385.6562
            },
            "end": {
              "local": "2020-05-04T05:45:31+04:00",
              "utc": "2020-05-04T01:45:31Z",
              "ms": 1588556731385.6562
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 07:40 on Sun 3 May to 04:43 on Mon 4 May.",
          "fact": "2020-05-03T03:39:45Z → 2020-05-04T00:43:15Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:46 on the 3rd and 05:46 on the 4th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is not on the 4th.",
          "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 3736 s"
        },
        {
          "step": "ruling",
          "text": "Mohinī Ekādaśī, Abu Dhabi, 2020: Sunday 3 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": "2020-05-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-05-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Mohinī Ekādaśī 2020 falls on Sunday 3 May. Ekādaśī runs from 07:40 on Sun 3 May to 04:43 on Mon 4 May, and is current at sunrise on neither day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-05-03",
      "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/2020/parashurama-dvadashi",
      "festival": "parashurama-dvadashi",
      "name": "Paraśurāma Dvādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-05-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25926,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2020-05-04T04:43:15+04:00",
          "utc": "2020-05-04T00:43:15Z",
          "ms": 1588552995206.514
        },
        "end": {
          "local": "2020-05-05T01:24:14+04:00",
          "utc": "2020-05-04T21:24:14Z",
          "ms": 1588627454063.924
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-05-04T04:43:15+04:00",
          "utc": "2020-05-04T00:43:15Z",
          "ms": 1588552995206.514
        },
        "end": {
          "local": "2020-05-05T01:24:14+04:00",
          "utc": "2020-05-04T21:24:14Z",
          "ms": 1588627454063.924
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-05-04",
          "window": {
            "start": {
              "local": "2020-05-04T11:55:21+04:00",
              "utc": "2020-05-04T07:55:21Z",
              "ms": 1588578920782.6333
            },
            "end": {
              "local": "2020-05-04T12:43:21+04:00",
              "utc": "2020-05-04T08:43:21Z",
              "ms": 1588581800782.6333
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-05-05",
          "window": {
            "start": {
              "local": "2020-05-05T11:55:16+04:00",
              "utc": "2020-05-05T07:55:16Z",
              "ms": 1588665315585.853
            },
            "end": {
              "local": "2020-05-05T12:43:16+04:00",
              "utc": "2020-05-05T08:43:16Z",
              "ms": 1588668195585.853
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 04:43 on Mon 4 May to 01:24 on Tue 5 May.",
          "fact": "2020-05-04T00:43:15Z → 2020-05-04T21:24:14Z"
        },
        {
          "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": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 25926 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Dvādaśī, Abu Dhabi, 2020: Monday 4 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "parashurama-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-05-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-05-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Paraśurāma Dvādaśī 2020 falls on Monday 4 May. Dvādaśī runs from 04:43 on Mon 4 May to 01:24 on Tue 5 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/rukmini-dvadashi",
      "festival": "rukmini-dvadashi",
      "name": "Rukmiṇī Dvādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-05-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25926,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2020-05-04T04:43:15+04:00",
          "utc": "2020-05-04T00:43:15Z",
          "ms": 1588552995206.514
        },
        "end": {
          "local": "2020-05-05T01:24:14+04:00",
          "utc": "2020-05-04T21:24:14Z",
          "ms": 1588627454063.924
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-05-04T04:43:15+04:00",
          "utc": "2020-05-04T00:43:15Z",
          "ms": 1588552995206.514
        },
        "end": {
          "local": "2020-05-05T01:24:14+04:00",
          "utc": "2020-05-04T21:24:14Z",
          "ms": 1588627454063.924
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-05-04",
          "window": {
            "start": {
              "local": "2020-05-04T11:55:21+04:00",
              "utc": "2020-05-04T07:55:21Z",
              "ms": 1588578920782.6333
            },
            "end": {
              "local": "2020-05-04T12:43:21+04:00",
              "utc": "2020-05-04T08:43:21Z",
              "ms": 1588581800782.6333
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-05-05",
          "window": {
            "start": {
              "local": "2020-05-05T11:55:16+04:00",
              "utc": "2020-05-05T07:55:16Z",
              "ms": 1588665315585.853
            },
            "end": {
              "local": "2020-05-05T12:43:16+04:00",
              "utc": "2020-05-05T08:43:16Z",
              "ms": 1588668195585.853
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 04:43 on Mon 4 May to 01:24 on Tue 5 May.",
          "fact": "2020-05-04T00:43:15Z → 2020-05-04T21:24:14Z"
        },
        {
          "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": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 25926 s"
        },
        {
          "step": "ruling",
          "text": "Rukmiṇī Dvādaśī, Abu Dhabi, 2020: Monday 4 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rukmini-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-05-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-05-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Rukmiṇī Dvādaśī 2020 falls on Monday 4 May. Dvādaśī runs from 04:43 on Mon 4 May to 01:24 on Tue 5 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/nrisimha-chaturdashi",
      "festival": "nrisimha-chaturdashi",
      "name": "Nṛsiṃha Caturdaśī",
      "everyday": "Narasimha Jayanti",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-05-05",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 2340,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2020-05-05T21:51:36+04:00",
          "utc": "2020-05-05T17:51:36Z",
          "ms": 1588701095507.247
        },
        "end": {
          "local": "2020-05-06T18:15:09+04:00",
          "utc": "2020-05-06T14:15:09Z",
          "ms": 1588774509481.2695
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-05-05T21:51:36+04:00",
          "utc": "2020-05-05T17:51:36Z",
          "ms": 1588701095507.247
        },
        "end": {
          "local": "2020-05-06T18:15:09+04:00",
          "utc": "2020-05-06T14:15:09Z",
          "ms": 1588774509481.2695
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-05-05",
          "window": {
            "start": {
              "local": "2020-05-05T18:53:40+04:00",
              "utc": "2020-05-05T14:53:40Z",
              "ms": 1588690419532.959
            },
            "end": {
              "local": "2020-05-05T20:20:24+04:00",
              "utc": "2020-05-05T16:20:24Z",
              "ms": 1588695623978.2253
            }
          },
          "covered_min": 0,
          "window_min": 87,
          "qualifies": false
        },
        {
          "local_date": "2020-05-06",
          "window": {
            "start": {
              "local": "2020-05-06T18:54:09+04:00",
              "utc": "2020-05-06T14:54:09Z",
              "ms": 1588776849000.2925
            },
            "end": {
              "local": "2020-05-06T20:20:44+04:00",
              "utc": "2020-05-06T16:20:44Z",
              "ms": 1588782044481.2766
            }
          },
          "covered_min": 0,
          "window_min": 87,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 21:52 on Tue 5 May to 18:15 on Wed 6 May.",
          "fact": "2020-05-05T17:51:36Z → 2020-05-06T14:15:09Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:54–20:20 on the 5th, 18:54–20:21 on the 6th.",
          "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 5th and 0 of 87 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither evening qualifies. The day the tithi falls on is taken.",
          "fact": "priority: paraviddha → tithi-day · margin 2340 s"
        },
        {
          "step": "ruling",
          "text": "Nṛsiṃha Caturdaśī, Abu Dhabi, 2020: Tuesday 5 May.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "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": "2020-05-05",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-05-05",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2020 falls on Tuesday 5 May. Caturdaśī runs from 21:52 on Tue 5 May to 18:15 on Wed 6 May, and reaches pradoṣa on neither day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/pradosha-vrata?on=2020-05-05",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-05-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5472,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-05-05T01:24:14+04:00",
          "utc": "2020-05-04T21:24:14Z",
          "ms": 1588627454063.924
        },
        "end": {
          "local": "2020-05-05T21:51:36+04:00",
          "utc": "2020-05-05T17:51:36Z",
          "ms": 1588701095507.247
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-05-05T01:24:14+04:00",
          "utc": "2020-05-04T21:24:14Z",
          "ms": 1588627454063.924
        },
        "end": {
          "local": "2020-05-05T21:51:36+04:00",
          "utc": "2020-05-05T17:51:36Z",
          "ms": 1588701095507.247
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-05-04",
          "window": {
            "start": {
              "local": "2020-05-04T18:53:10+04:00",
              "utc": "2020-05-04T14:53:10Z",
              "ms": 1588603990179.6106
            },
            "end": {
              "local": "2020-05-04T20:20:04+04:00",
              "utc": "2020-05-04T16:20:04Z",
              "ms": 1588609203707.4954
            }
          },
          "covered_min": 0,
          "window_min": 87,
          "qualifies": false
        },
        {
          "local_date": "2020-05-05",
          "window": {
            "start": {
              "local": "2020-05-05T18:53:40+04:00",
              "utc": "2020-05-05T14:53:40Z",
              "ms": 1588690419532.959
            },
            "end": {
              "local": "2020-05-05T20:20:24+04:00",
              "utc": "2020-05-05T16:20:24Z",
              "ms": 1588695623978.2253
            }
          },
          "covered_min": 87,
          "window_min": 87,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 01:24 on Tue 5 May to 21:52 on Tue 5 May.",
          "fact": "2020-05-04T21:24:14Z → 2020-05-05T17:51:36Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:53–20:20 on the 4th, 18:54–20:20 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 0 of 87 minutes on the 4th and 87 of 87 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 5472 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2020: Tuesday 5 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-05-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-05-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2020 falls on Tuesday 5 May. Trayodaśī runs from 01:24 on Tue 5 May to 21:52 on Tue 5 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-05-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/buddha-purnima",
      "festival": "buddha-purnima",
      "name": "Buddha Pūrṇimā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-05-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7327,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2020-05-06T18:15:09+04:00",
          "utc": "2020-05-06T14:15:09Z",
          "ms": 1588774509481.2695
        },
        "end": {
          "local": "2020-05-07T14:45:13+04:00",
          "utc": "2020-05-07T10:45:13Z",
          "ms": 1588848313468.606
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-05-06T18:15:09+04:00",
          "utc": "2020-05-06T14:15:09Z",
          "ms": 1588774509481.2695
        },
        "end": {
          "local": "2020-05-07T14:45:13+04:00",
          "utc": "2020-05-07T10:45:13Z",
          "ms": 1588848313468.606
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-05-06",
          "window": {
            "start": {
              "local": "2020-05-06T11:55:11+04:00",
              "utc": "2020-05-06T07:55:11Z",
              "ms": 1588751710936.3745
            },
            "end": {
              "local": "2020-05-06T12:43:11+04:00",
              "utc": "2020-05-06T08:43:11Z",
              "ms": 1588754590936.3745
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-05-07",
          "window": {
            "start": {
              "local": "2020-05-07T11:55:07+04:00",
              "utc": "2020-05-07T07:55:07Z",
              "ms": 1588838106842.731
            },
            "end": {
              "local": "2020-05-07T12:43:07+04:00",
              "utc": "2020-05-07T08:43:07Z",
              "ms": 1588840986842.731
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 18:15 on Wed 6 May to 14:45 on Thu 7 May.",
          "fact": "2020-05-06T14:15:09Z → 2020-05-07T10:45:13Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 6th, 11:55–12:43 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7327 s"
        },
        {
          "step": "ruling",
          "text": "Buddha Pūrṇimā, Abu Dhabi, 2020: Thursday 7 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "buddha-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-05-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-05-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Buddha Pūrṇimā 2020 falls on Thursday 7 May. Pūrṇimā runs from 18:15 on Wed 6 May to 14:45 on Thu 7 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/sampat-gauri-vrata",
      "festival": "sampat-gauri-vrata",
      "name": "Sampat Gaurī Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-05-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7327,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2020-05-06T18:15:09+04:00",
          "utc": "2020-05-06T14:15:09Z",
          "ms": 1588774509481.2695
        },
        "end": {
          "local": "2020-05-07T14:45:13+04:00",
          "utc": "2020-05-07T10:45:13Z",
          "ms": 1588848313468.606
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-05-06T18:15:09+04:00",
          "utc": "2020-05-06T14:15:09Z",
          "ms": 1588774509481.2695
        },
        "end": {
          "local": "2020-05-07T14:45:13+04:00",
          "utc": "2020-05-07T10:45:13Z",
          "ms": 1588848313468.606
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-05-06",
          "window": {
            "start": {
              "local": "2020-05-06T11:55:11+04:00",
              "utc": "2020-05-06T07:55:11Z",
              "ms": 1588751710936.3745
            },
            "end": {
              "local": "2020-05-06T12:43:11+04:00",
              "utc": "2020-05-06T08:43:11Z",
              "ms": 1588754590936.3745
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-05-07",
          "window": {
            "start": {
              "local": "2020-05-07T11:55:07+04:00",
              "utc": "2020-05-07T07:55:07Z",
              "ms": 1588838106842.731
            },
            "end": {
              "local": "2020-05-07T12:43:07+04:00",
              "utc": "2020-05-07T08:43:07Z",
              "ms": 1588840986842.731
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 18:15 on Wed 6 May to 14:45 on Thu 7 May.",
          "fact": "2020-05-06T14:15:09Z → 2020-05-07T10:45:13Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 6th, 11:55–12:43 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 7327 s"
        },
        {
          "step": "ruling",
          "text": "Sampat Gaurī Vrata, Abu Dhabi, 2020: Thursday 7 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sampat-gauri-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-05-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-05-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Sampat Gaurī Vrata 2020 falls on Thursday 7 May. Pūrṇimā runs from 18:15 on Wed 6 May to 14:45 on Thu 7 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/sankashta-chaturthi?on=2020-05-10",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-05-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24537,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-05-10T06:34:22+04:00",
          "utc": "2020-05-10T02:34:22Z",
          "ms": 1589078062153.393
        },
        "end": {
          "local": "2020-05-11T05:05:34+04:00",
          "utc": "2020-05-11T01:05:34Z",
          "ms": 1589159133639.7158
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-05-10T06:34:22+04:00",
          "utc": "2020-05-10T02:34:22Z",
          "ms": 1589078062153.393
        },
        "end": {
          "local": "2020-05-11T05:05:34+04:00",
          "utc": "2020-05-11T01:05:34Z",
          "ms": 1589159133639.7158
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2020-05-09",
          "window": {
            "start": {
              "local": "2020-05-09T21:14:21+04:00",
              "utc": "2020-05-09T17:14:21Z",
              "ms": 1589044461379.2844
            },
            "end": {
              "local": "2020-05-09T21:14:21+04:00",
              "utc": "2020-05-09T17:14:21Z",
              "ms": 1589044461379.2844
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-05-10",
          "window": {
            "start": {
              "local": "2020-05-10T22:16:36+04:00",
              "utc": "2020-05-10T18:16:36Z",
              "ms": 1589134596256.1155
            },
            "end": {
              "local": "2020-05-10T22:16:36+04:00",
              "utc": "2020-05-10T18:16:36Z",
              "ms": 1589134596256.1155
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:34 on Sun 10 May to 05:06 on Mon 11 May.",
          "fact": "2020-05-10T02:34:22Z → 2020-05-11T01:05:34Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:14 on the 9th and 22:17 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 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 24537 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2020: Sunday 10 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-05-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-05-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2020 falls on Sunday 10 May. Caturthī runs from 06:34 on Sun 10 May to 05:06 on Mon 11 May and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/sankashta-chaturthi?on=2020-05-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/ekadashi?on=2020-05-18",
      "festival": "ekadashi",
      "name": "Aparā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-05-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20069,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-05-17T11:12:46+04:00",
          "utc": "2020-05-17T07:12:46Z",
          "ms": 1589699566045.2332
        },
        "end": {
          "local": "2020-05-18T13:39:02+04:00",
          "utc": "2020-05-18T09:39:02Z",
          "ms": 1589794741736.474
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-05-17T11:12:46+04:00",
          "utc": "2020-05-17T07:12:46Z",
          "ms": 1589699566045.2332
        },
        "end": {
          "local": "2020-05-18T13:39:02+04:00",
          "utc": "2020-05-18T09:39:02Z",
          "ms": 1589794741736.474
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-05-17",
          "window": {
            "start": {
              "local": "2020-05-17T05:38:17+04:00",
              "utc": "2020-05-17T01:38:17Z",
              "ms": 1589679496621.3054
            },
            "end": {
              "local": "2020-05-17T05:38:17+04:00",
              "utc": "2020-05-17T01:38:17Z",
              "ms": 1589679496621.3054
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-05-18",
          "window": {
            "start": {
              "local": "2020-05-18T05:37:51+04:00",
              "utc": "2020-05-18T01:37:51Z",
              "ms": 1589765871014.2012
            },
            "end": {
              "local": "2020-05-18T05:37:51+04:00",
              "utc": "2020-05-18T01:37:51Z",
              "ms": 1589765871014.2012
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 11:13 on Sun 17 May to 13:39 on Mon 18 May.",
          "fact": "2020-05-17T07:12:46Z → 2020-05-18T09:39:02Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:38 on the 17th and 05:38 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 20069 s"
        },
        {
          "step": "ruling",
          "text": "Aparā Ekādaśī, Abu Dhabi, 2020: Monday 18 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-05-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-05-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Aparā Ekādaśī 2020 falls on Monday 18 May. Ekādaśī runs from 11:13 on Sun 17 May to 13:39 on Mon 18 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-05-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-05-19",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-05-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2888,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-05-19T16:01:52+04:00",
          "utc": "2020-05-19T12:01:52Z",
          "ms": 1589889711501.9175
        },
        "end": {
          "local": "2020-05-20T18:13:00+04:00",
          "utc": "2020-05-20T14:13:00Z",
          "ms": 1589983980494.7742
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-05-19T16:01:52+04:00",
          "utc": "2020-05-19T12:01:52Z",
          "ms": 1589889711501.9175
        },
        "end": {
          "local": "2020-05-20T18:13:00+04:00",
          "utc": "2020-05-20T14:13:00Z",
          "ms": 1589983980494.7742
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-05-19",
          "window": {
            "start": {
              "local": "2020-05-19T19:00:39+04:00",
              "utc": "2020-05-19T15:00:39Z",
              "ms": 1589900438622.4849
            },
            "end": {
              "local": "2020-05-19T20:25:30+04:00",
              "utc": "2020-05-19T16:25:30Z",
              "ms": 1589905529917.9827
            }
          },
          "covered_min": 85,
          "window_min": 85,
          "qualifies": true
        },
        {
          "local_date": "2020-05-20",
          "window": {
            "start": {
              "local": "2020-05-20T19:01:09+04:00",
              "utc": "2020-05-20T15:01:09Z",
              "ms": 1589986868564.7307
            },
            "end": {
              "local": "2020-05-20T20:25:53+04:00",
              "utc": "2020-05-20T16:25:53Z",
              "ms": 1589991952927.0474
            }
          },
          "covered_min": 0,
          "window_min": 85,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 16:02 on Tue 19 May to 18:13 on Wed 20 May.",
          "fact": "2020-05-19T12:01:52Z → 2020-05-20T14:13:00Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:01–20:25 on the 19th, 19:01–20:26 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 85 of 85 minutes on the 19th and 0 of 85 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 2888 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2020: Tuesday 19 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-05-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-05-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2020 falls on Tuesday 19 May. Trayodaśī runs from 16:02 on Tue 19 May to 18:13 on Wed 20 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-05-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/shivaratri?on=2020-05-20",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-05-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13703,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2020-05-20T18:13:00+04:00",
          "utc": "2020-05-20T14:13:00Z",
          "ms": 1589983980494.7742
        },
        "end": {
          "local": "2020-05-21T20:06:36+04:00",
          "utc": "2020-05-21T16:06:36Z",
          "ms": 1590077196278.8645
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-05-20T18:13:00+04:00",
          "utc": "2020-05-20T14:13:00Z",
          "ms": 1589983980494.7742
        },
        "end": {
          "local": "2020-05-21T20:06:36+04:00",
          "utc": "2020-05-21T16:06:36Z",
          "ms": 1590077196278.8645
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2020-05-20",
          "window": {
            "start": {
              "local": "2020-05-20T23:54:55+04:00",
              "utc": "2020-05-20T19:54:55Z",
              "ms": 1590004494923.418
            },
            "end": {
              "local": "2020-05-21T00:42:55+04:00",
              "utc": "2020-05-20T20:42:55Z",
              "ms": 1590007374923.418
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-05-21",
          "window": {
            "start": {
              "local": "2020-05-21T23:54:59+04:00",
              "utc": "2020-05-21T19:54:59Z",
              "ms": 1590090899407.7668
            },
            "end": {
              "local": "2020-05-22T00:42:59+04:00",
              "utc": "2020-05-21T20:42:59Z",
              "ms": 1590093779407.7668
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 18:13 on Wed 20 May to 20:07 on Thu 21 May.",
          "fact": "2020-05-20T14:13:00Z → 2020-05-21T16:06:36Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:55–00:43 on the 20th, 23:55–00:43 on the 21st.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13703 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2020: Wednesday 20 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-05-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-05-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2020 falls on Wednesday 20 May. Caturdaśī runs from 18:13 on Wed 20 May to 20:07 on Thu 21 May and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/shivaratri?on=2020-05-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/rambha-tritiya",
      "festival": "rambha-tritiya",
      "name": "Rambhā Tṛtīyā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-05-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38860,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2020-05-24T23:31:05+04:00",
          "utc": "2020-05-24T19:31:05Z",
          "ms": 1590348664977.9597
        },
        "end": {
          "local": "2020-05-25T23:48:38+04:00",
          "utc": "2020-05-25T19:48:38Z",
          "ms": 1590436118125.495
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-05-24T23:31:05+04:00",
          "utc": "2020-05-24T19:31:05Z",
          "ms": 1590348664977.9597
        },
        "end": {
          "local": "2020-05-25T23:48:38+04:00",
          "utc": "2020-05-25T19:48:38Z",
          "ms": 1590436118125.495
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-05-24",
          "window": {
            "start": {
              "local": "2020-05-24T11:55:25+04:00",
              "utc": "2020-05-24T07:55:25Z",
              "ms": 1590306924622.9395
            },
            "end": {
              "local": "2020-05-24T12:43:25+04:00",
              "utc": "2020-05-24T08:43:25Z",
              "ms": 1590309804622.9395
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-05-25",
          "window": {
            "start": {
              "local": "2020-05-25T11:55:31+04:00",
              "utc": "2020-05-25T07:55:31Z",
              "ms": 1590393330546.0076
            },
            "end": {
              "local": "2020-05-25T12:43:31+04:00",
              "utc": "2020-05-25T08:43:31Z",
              "ms": 1590396210546.0076
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 23:31 on Sun 24 May to 23:49 on Mon 25 May.",
          "fact": "2020-05-24T19:31:05Z → 2020-05-25T19:48:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 24th, 11:56–12:44 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 38860 s"
        },
        {
          "step": "ruling",
          "text": "Rambhā Tṛtīyā, Abu Dhabi, 2020: Monday 25 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": "2020-05-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-05-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Rambhā Tṛtīyā 2020 falls on Monday 25 May. Tṛtīyā runs from 23:31 on Sun 24 May to 23:49 on Mon 25 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/vinayaka-chaturthi?on=2020-05-26",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-05-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 39341,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-05-25T23:48:38+04:00",
          "utc": "2020-05-25T19:48:38Z",
          "ms": 1590436118125.495
        },
        "end": {
          "local": "2020-05-26T23:39:18+04:00",
          "utc": "2020-05-26T19:39:18Z",
          "ms": 1590521957924.3481
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-05-25T23:48:38+04:00",
          "utc": "2020-05-25T19:48:38Z",
          "ms": 1590436118125.495
        },
        "end": {
          "local": "2020-05-26T23:39:18+04:00",
          "utc": "2020-05-26T19:39:18Z",
          "ms": 1590521957924.3481
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-05-25",
          "window": {
            "start": {
              "local": "2020-05-25T11:55:31+04:00",
              "utc": "2020-05-25T07:55:31Z",
              "ms": 1590393330546.0076
            },
            "end": {
              "local": "2020-05-25T12:43:31+04:00",
              "utc": "2020-05-25T08:43:31Z",
              "ms": 1590396210546.0076
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-05-26",
          "window": {
            "start": {
              "local": "2020-05-26T11:55:37+04:00",
              "utc": "2020-05-26T07:55:37Z",
              "ms": 1590479736941.9927
            },
            "end": {
              "local": "2020-05-26T12:43:37+04:00",
              "utc": "2020-05-26T08:43:37Z",
              "ms": 1590482616941.9927
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:49 on Mon 25 May to 23:39 on Tue 26 May.",
          "fact": "2020-05-25T19:48:38Z → 2020-05-26T19:39:18Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 25th, 11:56–12:44 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 39341 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2020: Tuesday 26 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-05-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-05-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2020 falls on Tuesday 26 May. Caturthī runs from 23:49 on Mon 25 May to 23:39 on Tue 26 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/vinayaka-chaturthi?on=2020-05-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/aranya-gauri-vrata",
      "festival": "aranya-gauri-vrata",
      "name": "Araṇya Gaurī Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-05-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33232,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2020-05-27T23:02:25+04:00",
          "utc": "2020-05-27T19:02:25Z",
          "ms": 1590606144654.7778
        },
        "end": {
          "local": "2020-05-28T21:57:43+04:00",
          "utc": "2020-05-28T17:57:43Z",
          "ms": 1590688663273.3916
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-05-27T23:02:25+04:00",
          "utc": "2020-05-27T19:02:25Z",
          "ms": 1590606144654.7778
        },
        "end": {
          "local": "2020-05-28T21:57:43+04:00",
          "utc": "2020-05-28T17:57:43Z",
          "ms": 1590688663273.3916
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-05-27",
          "window": {
            "start": {
              "local": "2020-05-27T11:55:44+04:00",
              "utc": "2020-05-27T07:55:44Z",
              "ms": 1590566143795.0718
            },
            "end": {
              "local": "2020-05-27T12:43:44+04:00",
              "utc": "2020-05-27T08:43:44Z",
              "ms": 1590569023795.0718
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-05-28",
          "window": {
            "start": {
              "local": "2020-05-28T11:55:51+04:00",
              "utc": "2020-05-28T07:55:51Z",
              "ms": 1590652551089.0952
            },
            "end": {
              "local": "2020-05-28T12:43:51+04:00",
              "utc": "2020-05-28T08:43:51Z",
              "ms": 1590655431089.0952
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 23:02 on Wed 27 May to 21:58 on Thu 28 May.",
          "fact": "2020-05-27T19:02:25Z → 2020-05-28T17:57:43Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 27th, 11:56–12:44 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 33232 s"
        },
        {
          "step": "ruling",
          "text": "Araṇya Gaurī Vrata, Abu Dhabi, 2020: Thursday 28 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "aranya-gauri-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-05-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-05-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Araṇya Gaurī Vrata 2020 falls on Thursday 28 May. Ṣaṣṭhī runs from 23:02 on Wed 27 May to 21:58 on Thu 28 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/skanda-shashthi-jyaishtha",
      "festival": "skanda-shashthi-jyaishtha",
      "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-05-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33232,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2020-05-27T23:02:25+04:00",
          "utc": "2020-05-27T19:02:25Z",
          "ms": 1590606144654.7778
        },
        "end": {
          "local": "2020-05-28T21:57:43+04:00",
          "utc": "2020-05-28T17:57:43Z",
          "ms": 1590688663273.3916
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-05-27T23:02:25+04:00",
          "utc": "2020-05-27T19:02:25Z",
          "ms": 1590606144654.7778
        },
        "end": {
          "local": "2020-05-28T21:57:43+04:00",
          "utc": "2020-05-28T17:57:43Z",
          "ms": 1590688663273.3916
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-05-27",
          "window": {
            "start": {
              "local": "2020-05-27T11:55:44+04:00",
              "utc": "2020-05-27T07:55:44Z",
              "ms": 1590566143795.0718
            },
            "end": {
              "local": "2020-05-27T12:43:44+04:00",
              "utc": "2020-05-27T08:43:44Z",
              "ms": 1590569023795.0718
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-05-28",
          "window": {
            "start": {
              "local": "2020-05-28T11:55:51+04:00",
              "utc": "2020-05-28T07:55:51Z",
              "ms": 1590652551089.0952
            },
            "end": {
              "local": "2020-05-28T12:43:51+04:00",
              "utc": "2020-05-28T08:43:51Z",
              "ms": 1590655431089.0952
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 23:02 on Wed 27 May to 21:58 on Thu 28 May.",
          "fact": "2020-05-27T19:02:25Z → 2020-05-28T17:57:43Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 27th, 11:56–12:44 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 33232 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Abu Dhabi, 2020: Thursday 28 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "skanda-shashthi-jyaishtha",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-05-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-05-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2020 falls on Thursday 28 May. Ṣaṣṭhī runs from 23:02 on Wed 27 May to 21:58 on Thu 28 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ekadashi?on=2020-06-02",
      "festival": "ekadashi",
      "name": "Nirjalā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-06-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18071,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-06-01T13:27:48+04:00",
          "utc": "2020-06-01T09:27:48Z",
          "ms": 1591003667611.917
        },
        "end": {
          "local": "2020-06-02T10:35:01+04:00",
          "utc": "2020-06-02T06:35:01Z",
          "ms": 1591079700971.7622
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-06-01T13:27:48+04:00",
          "utc": "2020-06-01T09:27:48Z",
          "ms": 1591003667611.917
        },
        "end": {
          "local": "2020-06-02T10:35:01+04:00",
          "utc": "2020-06-02T06:35:01Z",
          "ms": 1591079700971.7622
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-06-01",
          "window": {
            "start": {
              "local": "2020-06-01T05:33:57+04:00",
              "utc": "2020-06-01T01:33:57Z",
              "ms": 1590975237485.4148
            },
            "end": {
              "local": "2020-06-01T05:33:57+04:00",
              "utc": "2020-06-01T01:33:57Z",
              "ms": 1590975237485.4148
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-06-02",
          "window": {
            "start": {
              "local": "2020-06-02T05:33:50+04:00",
              "utc": "2020-06-02T01:33:50Z",
              "ms": 1591061629719.6467
            },
            "end": {
              "local": "2020-06-02T05:33:50+04:00",
              "utc": "2020-06-02T01:33:50Z",
              "ms": 1591061629719.6467
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 13:28 on Mon 1 Jun to 10:35 on Tue 2 Jun.",
          "fact": "2020-06-01T09:27:48Z → 2020-06-02T06:35:01Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:34 on the 1st and 05:34 on the 2nd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 18071 s"
        },
        {
          "step": "ruling",
          "text": "Nirjalā Ekādaśī, Abu Dhabi, 2020: Tuesday 2 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-06-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-06-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Nirjalā Ekādaśī 2020 falls on Tuesday 2 June. Ekādaśī runs from 13:28 on Mon 1 Jun to 10:35 on Tue 2 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-06-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/shri-rama-dvadashi",
      "festival": "shri-rama-dvadashi",
      "name": "Śrī Rāma Dvādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-06-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4893,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2020-06-02T10:35:01+04:00",
          "utc": "2020-06-02T06:35:01Z",
          "ms": 1591079700971.7622
        },
        "end": {
          "local": "2020-06-03T07:35:28+04:00",
          "utc": "2020-06-03T03:35:28Z",
          "ms": 1591155327941.0789
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-06-02T10:35:01+04:00",
          "utc": "2020-06-02T06:35:01Z",
          "ms": 1591079700971.7622
        },
        "end": {
          "local": "2020-06-03T07:35:28+04:00",
          "utc": "2020-06-03T03:35:28Z",
          "ms": 1591155327941.0789
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-06-02",
          "window": {
            "start": {
              "local": "2020-06-02T11:56:34+04:00",
              "utc": "2020-06-02T07:56:34Z",
              "ms": 1591084593615.893
            },
            "end": {
              "local": "2020-06-02T12:44:34+04:00",
              "utc": "2020-06-02T08:44:34Z",
              "ms": 1591087473615.893
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-06-03",
          "window": {
            "start": {
              "local": "2020-06-03T11:56:43+04:00",
              "utc": "2020-06-03T07:56:43Z",
              "ms": 1591171003227.4797
            },
            "end": {
              "local": "2020-06-03T12:44:43+04:00",
              "utc": "2020-06-03T08:44:43Z",
              "ms": 1591173883227.4797
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 10:35 on Tue 2 Jun to 07:35 on Wed 3 Jun.",
          "fact": "2020-06-02T06:35:01Z → 2020-06-03T03:35:28Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 2nd, 11:57–12:45 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 4893 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Rāma Dvādaśī, Abu Dhabi, 2020: Tuesday 2 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shri-rama-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-06-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-06-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śrī Rāma Dvādaśī 2020 falls on Tuesday 2 June. Dvādaśī runs from 10:35 on Tue 2 Jun to 07:35 on Wed 3 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/pradosha-vrata?on=2020-06-03",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-06-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29121,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-06-03T07:35:28+04:00",
          "utc": "2020-06-03T03:35:28Z",
          "ms": 1591155327941.0789
        },
        "end": {
          "local": "2020-06-04T04:36:31+04:00",
          "utc": "2020-06-04T00:36:31Z",
          "ms": 1591230991478.5269
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-06-03T07:35:28+04:00",
          "utc": "2020-06-03T03:35:28Z",
          "ms": 1591155327941.0789
        },
        "end": {
          "local": "2020-06-04T04:36:31+04:00",
          "utc": "2020-06-04T00:36:31Z",
          "ms": 1591230991478.5269
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-06-02",
          "window": {
            "start": {
              "local": "2020-06-02T19:07:18+04:00",
              "utc": "2020-06-02T15:07:18Z",
              "ms": 1591110437512.1396
            },
            "end": {
              "local": "2020-06-02T20:30:49+04:00",
              "utc": "2020-06-02T16:30:49Z",
              "ms": 1591115448927.7146
            }
          },
          "covered_min": 0,
          "window_min": 84,
          "qualifies": false
        },
        {
          "local_date": "2020-06-03",
          "window": {
            "start": {
              "local": "2020-06-03T19:07:43+04:00",
              "utc": "2020-06-03T15:07:43Z",
              "ms": 1591196863326.0083
            },
            "end": {
              "local": "2020-06-03T20:31:11+04:00",
              "utc": "2020-06-03T16:31:11Z",
              "ms": 1591201870577.1594
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 07:35 on Wed 3 Jun to 04:37 on Thu 4 Jun.",
          "fact": "2020-06-03T03:35:28Z → 2020-06-04T00:36:31Z"
        },
        {
          "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": "Trayodaśī must be present during pradoṣa. It covers 0 of 84 minutes on the 2nd and 83 of 83 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 29121 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2020: Wednesday 3 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": "2020-06-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-06-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2020 falls on Wednesday 3 June. Trayodaśī runs from 07:35 on Wed 3 Jun to 04:37 on Thu 4 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-06-03",
      "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/2020/vata-savitri-vrata",
      "festival": "vata-savitri-vrata",
      "name": "Vaṭa Sāvitrī Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-06-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9630,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2020-06-05T01:46:07+04:00",
          "utc": "2020-06-04T21:46:07Z",
          "ms": 1591307167244.559
        },
        "end": {
          "local": "2020-06-05T23:12:23+04:00",
          "utc": "2020-06-05T19:12:23Z",
          "ms": 1591384343393.6377
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-06-05T01:46:07+04:00",
          "utc": "2020-06-04T21:46:07Z",
          "ms": 1591307167244.559
        },
        "end": {
          "local": "2020-06-05T23:12:23+04:00",
          "utc": "2020-06-05T19:12:23Z",
          "ms": 1591384343393.6377
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-06-04",
          "window": {
            "start": {
              "local": "2020-06-04T19:08:09+04:00",
              "utc": "2020-06-04T15:08:09Z",
              "ms": 1591283288641.5435
            },
            "end": {
              "local": "2020-06-04T20:31:32+04:00",
              "utc": "2020-06-04T16:31:32Z",
              "ms": 1591288291950.3477
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        },
        {
          "local_date": "2020-06-05",
          "window": {
            "start": {
              "local": "2020-06-05T19:08:33+04:00",
              "utc": "2020-06-05T15:08:33Z",
              "ms": 1591369713435.94
            },
            "end": {
              "local": "2020-06-05T20:31:53+04:00",
              "utc": "2020-06-05T16:31:53Z",
              "ms": 1591374713026.8752
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 01:46 on Fri 5 Jun to 23:12 on Fri 5 Jun.",
          "fact": "2020-06-04T21:46:07Z → 2020-06-05T19:12:23Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:08–20:32 on the 4th, 19:09–20:32 on the 5th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 83 minutes on the 4th and 83 of 83 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 9630 s"
        },
        {
          "step": "ruling",
          "text": "Vaṭa Sāvitrī Vrata, Abu Dhabi, 2020: Friday 5 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vata-savitri-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Vata-savitri vrata (Deccan) (pradosavyapini, purvaviddha), Snanayatra (Bengal & Orissa) (paraviddha)."
          }
        ],
        "kaala": "pradosha",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-06-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-06-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vaṭa Sāvitrī Vrata 2020 falls on Friday 5 June. Pūrṇimā runs from 01:46 on Fri 5 Jun to 23:12 on Fri 5 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/sankashta-chaturthi?on=2020-06-08",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-06-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12435,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-06-08T18:26:44+04:00",
          "utc": "2020-06-08T14:26:44Z",
          "ms": 1591626404461.9219
        },
        "end": {
          "local": "2020-06-09T18:09:18+04:00",
          "utc": "2020-06-09T14:09:18Z",
          "ms": 1591711757646.3223
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-06-08T18:26:44+04:00",
          "utc": "2020-06-08T14:26:44Z",
          "ms": 1591626404461.9219
        },
        "end": {
          "local": "2020-06-09T18:09:18+04:00",
          "utc": "2020-06-09T14:09:18Z",
          "ms": 1591711757646.3223
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2020-06-08",
          "window": {
            "start": {
              "local": "2020-06-08T21:53:59+04:00",
              "utc": "2020-06-08T17:53:59Z",
              "ms": 1591638839208.286
            },
            "end": {
              "local": "2020-06-08T21:53:59+04:00",
              "utc": "2020-06-08T17:53:59Z",
              "ms": 1591638839208.286
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-06-09",
          "window": {
            "start": {
              "local": "2020-06-09T22:42:50+04:00",
              "utc": "2020-06-09T18:42:50Z",
              "ms": 1591728170270.2854
            },
            "end": {
              "local": "2020-06-09T22:42:50+04:00",
              "utc": "2020-06-09T18:42:50Z",
              "ms": 1591728170270.2854
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:27 on Mon 8 Jun to 18:09 on Tue 9 Jun.",
          "fact": "2020-06-08T14:26:44Z → 2020-06-09T14:09:18Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:54 on the 8th and 22:43 on the 9th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 8th and is not on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 12435 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2020: Monday 8 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": "2020-06-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-06-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2020 falls on Monday 8 June. Caturthī runs from 18:27 on Mon 8 Jun to 18:09 on Tue 9 Jun and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/sankashta-chaturthi?on=2020-06-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/ekadashi?on=2020-06-17",
      "festival": "ekadashi",
      "name": "Yoginī Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-06-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2794,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-06-16T04:10:50+04:00",
          "utc": "2020-06-16T00:10:50Z",
          "ms": 1592266250189.8184
        },
        "end": {
          "local": "2020-06-17T06:20:45+04:00",
          "utc": "2020-06-17T02:20:45Z",
          "ms": 1592360444715.6853
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-06-16T04:10:50+04:00",
          "utc": "2020-06-16T00:10:50Z",
          "ms": 1592266250189.8184
        },
        "end": {
          "local": "2020-06-17T06:20:45+04:00",
          "utc": "2020-06-17T02:20:45Z",
          "ms": 1592360444715.6853
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-06-16",
          "window": {
            "start": {
              "local": "2020-06-16T05:34:01+04:00",
              "utc": "2020-06-16T01:34:01Z",
              "ms": 1592271241467.239
            },
            "end": {
              "local": "2020-06-16T05:34:01+04:00",
              "utc": "2020-06-16T01:34:01Z",
              "ms": 1592271241467.239
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-06-17",
          "window": {
            "start": {
              "local": "2020-06-17T05:34:10+04:00",
              "utc": "2020-06-17T01:34:10Z",
              "ms": 1592357650471.3643
            },
            "end": {
              "local": "2020-06-17T05:34:10+04:00",
              "utc": "2020-06-17T01:34:10Z",
              "ms": 1592357650471.3643
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 04:11 on Tue 16 Jun to 06:21 on Wed 17 Jun.",
          "fact": "2020-06-16T00:10:50Z → 2020-06-17T02:20:45Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:34 on the 16th and 05:34 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 on the 17th.",
          "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 2794 s"
        },
        {
          "step": "ruling",
          "text": "Yoginī Ekādaśī, Abu Dhabi, 2020: Wednesday 17 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": "2020-06-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-06-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Yoginī Ekādaśī 2020 falls on Wednesday 17 June. Ekādaśī runs from 04:11 on Tue 16 Jun to 06:21 on Wed 17 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-06-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-06-18",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-06-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34892,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-06-18T08:09:54+04:00",
          "utc": "2020-06-18T04:09:54Z",
          "ms": 1592453393833.7488
        },
        "end": {
          "local": "2020-06-19T09:31:40+04:00",
          "utc": "2020-06-19T05:31:40Z",
          "ms": 1592544699628.4753
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-06-18T08:09:54+04:00",
          "utc": "2020-06-18T04:09:54Z",
          "ms": 1592453393833.7488
        },
        "end": {
          "local": "2020-06-19T09:31:40+04:00",
          "utc": "2020-06-19T05:31:40Z",
          "ms": 1592544699628.4753
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-06-18",
          "window": {
            "start": {
              "local": "2020-06-18T19:12:57+04:00",
              "utc": "2020-06-18T15:12:57Z",
              "ms": 1592493176974.6663
            },
            "end": {
              "local": "2020-06-18T20:35:50+04:00",
              "utc": "2020-06-18T16:35:50Z",
              "ms": 1592498149570.421
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        },
        {
          "local_date": "2020-06-19",
          "window": {
            "start": {
              "local": "2020-06-19T19:13:12+04:00",
              "utc": "2020-06-19T15:13:12Z",
              "ms": 1592579591777.6318
            },
            "end": {
              "local": "2020-06-19T20:36:04+04:00",
              "utc": "2020-06-19T16:36:04Z",
              "ms": 1592584563988.7412
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 08:10 on Thu 18 Jun to 09:32 on Fri 19 Jun.",
          "fact": "2020-06-18T04:09:54Z → 2020-06-19T05:31:40Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:13–20:36 on the 18th, 19:13–20:36 on the 19th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 83 of 83 minutes on the 18th and 0 of 83 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34892 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2020: Thursday 18 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": "2020-06-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-06-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2020 falls on Thursday 18 June. Trayodaśī runs from 08:10 on Thu 18 Jun to 09:32 on Fri 19 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-06-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/shivaratri?on=2020-06-19",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-06-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31435,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2020-06-19T09:31:40+04:00",
          "utc": "2020-06-19T05:31:40Z",
          "ms": 1592544699628.4753
        },
        "end": {
          "local": "2020-06-20T10:22:29+04:00",
          "utc": "2020-06-20T06:22:29Z",
          "ms": 1592634148722.616
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-06-19T09:31:40+04:00",
          "utc": "2020-06-19T05:31:40Z",
          "ms": 1592544699628.4753
        },
        "end": {
          "local": "2020-06-20T10:22:29+04:00",
          "utc": "2020-06-20T06:22:29Z",
          "ms": 1592634148722.616
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2020-06-18",
          "window": {
            "start": {
              "local": "2020-06-18T23:59:44+04:00",
              "utc": "2020-06-18T19:59:44Z",
              "ms": 1592510384208.7466
            },
            "end": {
              "local": "2020-06-19T00:47:44+04:00",
              "utc": "2020-06-18T20:47:44Z",
              "ms": 1592513264208.7466
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-06-19",
          "window": {
            "start": {
              "local": "2020-06-19T23:59:58+04:00",
              "utc": "2020-06-19T19:59:58Z",
              "ms": 1592596797569.292
            },
            "end": {
              "local": "2020-06-20T00:47:58+04:00",
              "utc": "2020-06-19T20:47:58Z",
              "ms": 1592599677569.292
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 09:32 on Fri 19 Jun to 10:22 on Sat 20 Jun.",
          "fact": "2020-06-19T05:31:40Z → 2020-06-20T06:22:29Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:00–00:48 on the 18th, 00:00–00:48 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 31435 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2020: Friday 19 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": "2020-06-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-06-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2020 falls on Friday 19 June. Caturdaśī runs from 09:32 on Fri 19 Jun to 10:22 on Sat 20 Jun and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/shivaratri?on=2020-06-19",
      "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/2020/rathayatra",
      "festival": "rathayatra",
      "name": "Rathayātrā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-06-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5447,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2020-06-22T10:29:43+04:00",
          "utc": "2020-06-22T06:29:43Z",
          "ms": 1592807382966.081
        },
        "end": {
          "local": "2020-06-23T09:49:42+04:00",
          "utc": "2020-06-23T05:49:42Z",
          "ms": 1592891382245.5715
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-06-22T10:29:43+04:00",
          "utc": "2020-06-22T06:29:43Z",
          "ms": 1592807382966.081
        },
        "end": {
          "local": "2020-06-23T09:49:42+04:00",
          "utc": "2020-06-23T05:49:42Z",
          "ms": 1592891382245.5715
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-06-22",
          "window": {
            "start": {
              "local": "2020-06-22T12:00:30+04:00",
              "utc": "2020-06-22T08:00:30Z",
              "ms": 1592812830238.5432
            },
            "end": {
              "local": "2020-06-22T12:48:30+04:00",
              "utc": "2020-06-22T08:48:30Z",
              "ms": 1592815710238.5432
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-06-23",
          "window": {
            "start": {
              "local": "2020-06-23T12:00:43+04:00",
              "utc": "2020-06-23T08:00:43Z",
              "ms": 1592899243010.7314
            },
            "end": {
              "local": "2020-06-23T12:48:43+04:00",
              "utc": "2020-06-23T08:48:43Z",
              "ms": 1592902123010.7314
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 10:30 on Mon 22 Jun to 09:50 on Tue 23 Jun.",
          "fact": "2020-06-22T06:29:43Z → 2020-06-23T05:49:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 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": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 5447 s"
        },
        {
          "step": "ruling",
          "text": "Rathayātrā, Abu Dhabi, 2020: Monday 22 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rathayatra",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')"
          }
        ],
        "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.",
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-06-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-06-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Rathayātrā 2020 falls on Monday 22 June. Dvitīyā runs from 10:30 on Mon 22 Jun to 09:50 on Tue 23 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/vinayaka-chaturthi?on=2020-06-24",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-06-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11778,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-06-24T08:44:37+04:00",
          "utc": "2020-06-24T04:44:37Z",
          "ms": 1592973877405.171
        },
        "end": {
          "local": "2020-06-25T07:18:00+04:00",
          "utc": "2020-06-25T03:18:00Z",
          "ms": 1593055079628.3525
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-06-24T08:44:37+04:00",
          "utc": "2020-06-24T04:44:37Z",
          "ms": 1592973877405.171
        },
        "end": {
          "local": "2020-06-25T07:18:00+04:00",
          "utc": "2020-06-25T03:18:00Z",
          "ms": 1593055079628.3525
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-06-24",
          "window": {
            "start": {
              "local": "2020-06-24T12:00:56+04:00",
              "utc": "2020-06-24T08:00:56Z",
              "ms": 1592985655684.0962
            },
            "end": {
              "local": "2020-06-24T12:48:56+04:00",
              "utc": "2020-06-24T08:48:56Z",
              "ms": 1592988535684.0962
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-06-25",
          "window": {
            "start": {
              "local": "2020-06-25T12:01:08+04:00",
              "utc": "2020-06-25T08:01:08Z",
              "ms": 1593072068230.9197
            },
            "end": {
              "local": "2020-06-25T12:49:08+04:00",
              "utc": "2020-06-25T08:49:08Z",
              "ms": 1593074948230.9197
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 08:45 on Wed 24 Jun to 07:18 on Thu 25 Jun.",
          "fact": "2020-06-24T04:44:37Z → 2020-06-25T03:18:00Z"
        },
        {
          "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": "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 11778 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2020: Wednesday 24 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-06-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-06-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2020 falls on Wednesday 24 June. Caturthī runs from 08:45 on Wed 24 Jun to 07:18 on Thu 25 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/vinayaka-chaturthi?on=2020-06-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/skanda-panchami",
      "festival": "skanda-panchami",
      "name": "Skanda Pañcamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-06-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16989,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2020-06-25T07:18:00+04:00",
          "utc": "2020-06-25T03:18:00Z",
          "ms": 1593055079628.3525
        },
        "end": {
          "local": "2020-06-26T05:33:23+04:00",
          "utc": "2020-06-26T01:33:23Z",
          "ms": 1593135202685.5566
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-06-25T07:18:00+04:00",
          "utc": "2020-06-25T03:18:00Z",
          "ms": 1593055079628.3525
        },
        "end": {
          "local": "2020-06-26T05:33:23+04:00",
          "utc": "2020-06-26T01:33:23Z",
          "ms": 1593135202685.5566
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-06-25",
          "window": {
            "start": {
              "local": "2020-06-25T12:01:08+04:00",
              "utc": "2020-06-25T08:01:08Z",
              "ms": 1593072068230.9197
            },
            "end": {
              "local": "2020-06-25T12:49:08+04:00",
              "utc": "2020-06-25T08:49:08Z",
              "ms": 1593074948230.9197
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-06-26",
          "window": {
            "start": {
              "local": "2020-06-26T12:01:21+04:00",
              "utc": "2020-06-26T08:01:21Z",
              "ms": 1593158480624.291
            },
            "end": {
              "local": "2020-06-26T12:49:21+04:00",
              "utc": "2020-06-26T08:49:21Z",
              "ms": 1593161360624.291
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 07:18 on Thu 25 Jun to 05:33 on Fri 26 Jun.",
          "fact": "2020-06-25T03:18:00Z → 2020-06-26T01:33:23Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 25th, 12:01–12:49 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 16989 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Pañcamī, Abu Dhabi, 2020: Thursday 25 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "skanda-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Skanda pancami (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-06-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-06-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Skanda Pañcamī 2020 falls on Thursday 25 June. Pañcamī runs from 07:18 on Thu 25 Jun to 05:33 on Fri 26 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/vivasvat-saptami",
      "festival": "vivasvat-saptami",
      "name": "Vivasvat Saptamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-06-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30438,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2020-06-27T03:34:15+04:00",
          "utc": "2020-06-26T23:34:15Z",
          "ms": 1593214454932.6008
        },
        "end": {
          "local": "2020-06-28T01:23:58+04:00",
          "utc": "2020-06-27T21:23:58Z",
          "ms": 1593293038263.0225
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-06-27T03:34:15+04:00",
          "utc": "2020-06-26T23:34:15Z",
          "ms": 1593214454932.6008
        },
        "end": {
          "local": "2020-06-28T01:23:58+04:00",
          "utc": "2020-06-27T21:23:58Z",
          "ms": 1593293038263.0225
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-06-27",
          "window": {
            "start": {
              "local": "2020-06-27T12:01:33+04:00",
              "utc": "2020-06-27T08:01:33Z",
              "ms": 1593244892838.452
            },
            "end": {
              "local": "2020-06-27T12:49:33+04:00",
              "utc": "2020-06-27T08:49:33Z",
              "ms": 1593247772838.452
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-06-28",
          "window": {
            "start": {
              "local": "2020-06-28T12:01:45+04:00",
              "utc": "2020-06-28T08:01:45Z",
              "ms": 1593331304849.0635
            },
            "end": {
              "local": "2020-06-28T12:49:45+04:00",
              "utc": "2020-06-28T08:49:45Z",
              "ms": 1593334184849.0635
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 03:34 on Sat 27 Jun to 01:24 on Sun 28 Jun.",
          "fact": "2020-06-26T23:34:15Z → 2020-06-27T21:23:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 27th, 12:02–12:50 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 30438 s"
        },
        {
          "step": "ruling",
          "text": "Vivasvat Saptamī, Abu Dhabi, 2020: Saturday 27 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": "2020-06-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-06-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vivasvat Saptamī 2020 falls on Saturday 27 June. Saptamī runs from 03:34 on Sat 27 Jun to 01:24 on Sun 28 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ekadashi?on=2020-07-01",
      "festival": "ekadashi",
      "name": "Hariśayanī Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-07-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37324,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-06-30T18:20:02+04:00",
          "utc": "2020-06-30T14:20:02Z",
          "ms": 1593526801805.4963
        },
        "end": {
          "local": "2020-07-01T15:59:52+04:00",
          "utc": "2020-07-01T11:59:52Z",
          "ms": 1593604792482.9524
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-06-30T18:20:02+04:00",
          "utc": "2020-06-30T14:20:02Z",
          "ms": 1593526801805.4963
        },
        "end": {
          "local": "2020-07-01T15:59:52+04:00",
          "utc": "2020-07-01T11:59:52Z",
          "ms": 1593604792482.9524
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-06-30",
          "window": {
            "start": {
              "local": "2020-06-30T05:37:28+04:00",
              "utc": "2020-06-30T01:37:28Z",
              "ms": 1593481048331.23
            },
            "end": {
              "local": "2020-06-30T05:37:28+04:00",
              "utc": "2020-06-30T01:37:28Z",
              "ms": 1593481048331.23
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-07-01",
          "window": {
            "start": {
              "local": "2020-07-01T05:37:49+04:00",
              "utc": "2020-07-01T01:37:49Z",
              "ms": 1593567468765.8103
            },
            "end": {
              "local": "2020-07-01T05:37:49+04:00",
              "utc": "2020-07-01T01:37:49Z",
              "ms": 1593567468765.8103
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 18:20 on Tue 30 Jun to 16:00 on Wed 1 Jul.",
          "fact": "2020-06-30T14:20:02Z → 2020-07-01T11:59:52Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:37 on the 30th and 05:38 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 37324 s"
        },
        {
          "step": "ruling",
          "text": "Hariśayanī Ekādaśī, Abu Dhabi, 2020: Wednesday 1 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": "2020-07-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-07-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Hariśayanī Ekādaśī 2020 falls on Wednesday 1 July. Ekādaśī runs from 18:20 on Tue 30 Jun to 16:00 on Wed 1 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-07-01",
      "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/2020/pradosha-vrata?on=2020-07-02",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-07-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19655,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-07-02T13:47:16+04:00",
          "utc": "2020-07-02T09:47:16Z",
          "ms": 1593683235831.2458
        },
        "end": {
          "local": "2020-07-03T11:47:01+04:00",
          "utc": "2020-07-03T07:47:01Z",
          "ms": 1593762420680.3953
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-07-02T13:47:16+04:00",
          "utc": "2020-07-02T09:47:16Z",
          "ms": 1593683235831.2458
        },
        "end": {
          "local": "2020-07-03T11:47:01+04:00",
          "utc": "2020-07-03T07:47:01Z",
          "ms": 1593762420680.3953
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-07-02",
          "window": {
            "start": {
              "local": "2020-07-02T19:14:51+04:00",
              "utc": "2020-07-02T15:14:51Z",
              "ms": 1593702891043.8506
            },
            "end": {
              "local": "2020-07-02T20:38:00+04:00",
              "utc": "2020-07-02T16:38:00Z",
              "ms": 1593707880427.7026
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        },
        {
          "local_date": "2020-07-03",
          "window": {
            "start": {
              "local": "2020-07-03T19:14:51+04:00",
              "utc": "2020-07-03T15:14:51Z",
              "ms": 1593789290790.4478
            },
            "end": {
              "local": "2020-07-03T20:38:03+04:00",
              "utc": "2020-07-03T16:38:03Z",
              "ms": 1593794283164.4
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 13:47 on Thu 2 Jul to 11:47 on Fri 3 Jul.",
          "fact": "2020-07-02T09:47:16Z → 2020-07-03T07:47:01Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:15–20:38 on the 2nd, 19:15–20:38 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 83 of 83 minutes on the 2nd and 0 of 83 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 19655 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2020: Thursday 2 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": "2020-07-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-07-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2020 falls on Thursday 2 July. Trayodaśī runs from 13:47 on Thu 2 Jul to 11:47 on Fri 3 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-07-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/guru-purnima",
      "festival": "guru-purnima",
      "name": "Guru Pūrṇimā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-07-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7114,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2020-07-04T10:04:17+04:00",
          "utc": "2020-07-04T06:04:17Z",
          "ms": 1593842657101.5378
        },
        "end": {
          "local": "2020-07-05T08:44:25+04:00",
          "utc": "2020-07-05T04:44:25Z",
          "ms": 1593924264691.6958
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-07-04T10:04:17+04:00",
          "utc": "2020-07-04T06:04:17Z",
          "ms": 1593842657101.5378
        },
        "end": {
          "local": "2020-07-05T08:44:25+04:00",
          "utc": "2020-07-05T04:44:25Z",
          "ms": 1593924264691.6958
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-07-04",
          "window": {
            "start": {
              "local": "2020-07-04T12:02:51+04:00",
              "utc": "2020-07-04T08:02:51Z",
              "ms": 1593849771471.1338
            },
            "end": {
              "local": "2020-07-04T12:50:51+04:00",
              "utc": "2020-07-04T08:50:51Z",
              "ms": 1593852651471.1338
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-07-05",
          "window": {
            "start": {
              "local": "2020-07-05T12:03:02+04:00",
              "utc": "2020-07-05T08:03:02Z",
              "ms": 1593936181502.4995
            },
            "end": {
              "local": "2020-07-05T12:51:02+04:00",
              "utc": "2020-07-05T08:51:02Z",
              "ms": 1593939061502.4995
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 10:04 on Sat 4 Jul to 08:44 on Sun 5 Jul.",
          "fact": "2020-07-04T06:04:17Z → 2020-07-05T04:44:25Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 4th, 12:03–12:51 on the 5th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "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 7114 s"
        },
        {
          "step": "ruling",
          "text": "Guru Pūrṇimā, Abu Dhabi, 2020: Saturday 4 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": "2020-07-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-07-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Guru Pūrṇimā 2020 falls on Saturday 4 July. Pūrṇimā runs from 10:04 on Sat 4 Jul to 08:44 on Sun 5 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/kokila-vrata",
      "festival": "kokila-vrata",
      "name": "Kokilā Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-07-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23241,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2020-07-04T10:04:17+04:00",
          "utc": "2020-07-04T06:04:17Z",
          "ms": 1593842657101.5378
        },
        "end": {
          "local": "2020-07-05T08:44:25+04:00",
          "utc": "2020-07-05T04:44:25Z",
          "ms": 1593924264691.6958
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-07-04T10:04:17+04:00",
          "utc": "2020-07-04T06:04:17Z",
          "ms": 1593842657101.5378
        },
        "end": {
          "local": "2020-07-05T08:44:25+04:00",
          "utc": "2020-07-05T04:44:25Z",
          "ms": 1593924264691.6958
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2020-07-04",
          "window": {
            "start": {
              "local": "2020-07-04T16:31:38+04:00",
              "utc": "2020-07-04T12:31:38Z",
              "ms": 1593865898196.7605
            },
            "end": {
              "local": "2020-07-04T19:14:49+04:00",
              "utc": "2020-07-04T15:14:49Z",
              "ms": 1593875689347.1785
            }
          },
          "covered_min": 163,
          "window_min": 163,
          "qualifies": true
        },
        {
          "local_date": "2020-07-05",
          "window": {
            "start": {
              "local": "2020-07-05T16:31:41+04:00",
              "utc": "2020-07-05T12:31:41Z",
              "ms": 1593952300625.6636
            },
            "end": {
              "local": "2020-07-05T19:14:47+04:00",
              "utc": "2020-07-05T15:14:47Z",
              "ms": 1593962086707.773
            }
          },
          "covered_min": 0,
          "window_min": 163,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 10:04 on Sat 4 Jul to 08:44 on Sun 5 Jul.",
          "fact": "2020-07-04T06:04:17Z → 2020-07-05T04:44:25Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:32–19:15 on the 4th, 16:32–19:15 on the 5th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 163 of 163 minutes on the 4th and 0 of 163 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one late afternoon qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 23241 s"
        },
        {
          "step": "ruling",
          "text": "Kokilā Vrata, Abu Dhabi, 2020: Saturday 4 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": "2020-07-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-07-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kokilā Vrata 2020 falls on Saturday 4 July. Pūrṇimā runs from 10:04 on Sat 4 Jul to 08:44 on Sun 5 Jul and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/shiva-shayanotsava",
      "festival": "shiva-shayanotsava",
      "name": "Śiva Śayanotsava",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-07-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33032,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2020-07-04T10:04:17+04:00",
          "utc": "2020-07-04T06:04:17Z",
          "ms": 1593842657101.5378
        },
        "end": {
          "local": "2020-07-05T08:44:25+04:00",
          "utc": "2020-07-05T04:44:25Z",
          "ms": 1593924264691.6958
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-07-04T10:04:17+04:00",
          "utc": "2020-07-04T06:04:17Z",
          "ms": 1593842657101.5378
        },
        "end": {
          "local": "2020-07-05T08:44:25+04:00",
          "utc": "2020-07-05T04:44:25Z",
          "ms": 1593924264691.6958
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-07-04",
          "window": {
            "start": {
              "local": "2020-07-04T19:14:49+04:00",
              "utc": "2020-07-04T15:14:49Z",
              "ms": 1593875689347.1785
            },
            "end": {
              "local": "2020-07-04T20:38:05+04:00",
              "utc": "2020-07-04T16:38:05Z",
              "ms": 1593880684940.518
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        },
        {
          "local_date": "2020-07-05",
          "window": {
            "start": {
              "local": "2020-07-05T19:14:47+04:00",
              "utc": "2020-07-05T15:14:47Z",
              "ms": 1593962086707.773
            },
            "end": {
              "local": "2020-07-05T20:38:06+04:00",
              "utc": "2020-07-05T16:38:06Z",
              "ms": 1593967085747.3958
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 10:04 on Sat 4 Jul to 08:44 on Sun 5 Jul.",
          "fact": "2020-07-04T06:04:17Z → 2020-07-05T04:44:25Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:15–20:38 on the 4th, 19:15–20:38 on the 5th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 83 of 83 minutes on the 4th and 0 of 83 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 33032 s"
        },
        {
          "step": "ruling",
          "text": "Śiva Śayanotsava, Abu Dhabi, 2020: Saturday 4 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": "2020-07-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-07-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śiva Śayanotsava 2020 falls on Saturday 4 July. Pūrṇimā runs from 10:04 on Sat 4 Jul to 08:44 on Sun 5 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/vyasa-puja",
      "festival": "vyasa-puja",
      "name": "Vyāsa Pūjā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-07-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1322,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2020-07-04T10:04:17+04:00",
          "utc": "2020-07-04T06:04:17Z",
          "ms": 1593842657101.5378
        },
        "end": {
          "local": "2020-07-05T08:44:25+04:00",
          "utc": "2020-07-05T04:44:25Z",
          "ms": 1593924264691.6958
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-07-04T10:04:17+04:00",
          "utc": "2020-07-04T06:04:17Z",
          "ms": 1593842657101.5378
        },
        "end": {
          "local": "2020-07-05T08:44:25+04:00",
          "utc": "2020-07-05T04:44:25Z",
          "ms": 1593924264691.6958
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2020-07-04",
          "window": {
            "start": {
              "local": "2020-07-04T05:38:54+04:00",
              "utc": "2020-07-04T01:38:54Z",
              "ms": 1593826733595.0889
            },
            "end": {
              "local": "2020-07-04T08:22:05+04:00",
              "utc": "2020-07-04T04:22:05Z",
              "ms": 1593836524745.5068
            }
          },
          "covered_min": 0,
          "window_min": 163,
          "qualifies": false
        },
        {
          "local_date": "2020-07-05",
          "window": {
            "start": {
              "local": "2020-07-05T05:39:16+04:00",
              "utc": "2020-07-05T01:39:16Z",
              "ms": 1593913156297.2258
            },
            "end": {
              "local": "2020-07-05T08:22:22+04:00",
              "utc": "2020-07-05T04:22:22Z",
              "ms": 1593922942379.3352
            }
          },
          "covered_min": 163,
          "window_min": 163,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 10:04 on Sat 4 Jul to 08:44 on Sun 5 Jul.",
          "fact": "2020-07-04T06:04:17Z → 2020-07-05T04:44:25Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:39–08:22 on the 4th, 05:39–08:22 on the 5th.",
          "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 4th and 163 of 163 on the 5th.",
          "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 1322 s"
        },
        {
          "step": "ruling",
          "text": "Vyāsa Pūjā, Abu Dhabi, 2020: Sunday 5 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vyasa-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)."
          }
        ],
        "kaala": "udaya-3",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-07-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-07-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vyāsa Pūjā 2020 falls on Sunday 5 July. Pūrṇimā runs from 10:04 on Sat 4 Jul to 08:44 on Sun 5 Jul and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ashunya-shayana-vrata-ashadha",
      "festival": "ashunya-shayana-vrata-ashadha",
      "name": "Aśūnya Śayana Vrata (Āṣāḍha)",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-07-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 39593,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2020-07-06T07:52:32+04:00",
          "utc": "2020-07-06T03:52:32Z",
          "ms": 1594007552160.2249
        },
        "end": {
          "local": "2020-07-07T07:33:07+04:00",
          "utc": "2020-07-07T03:33:07Z",
          "ms": 1594092786690.23
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-07-06T07:52:32+04:00",
          "utc": "2020-07-06T03:52:32Z",
          "ms": 1594007552160.2249
        },
        "end": {
          "local": "2020-07-07T07:33:07+04:00",
          "utc": "2020-07-07T03:33:07Z",
          "ms": 1594092786690.23
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2020-07-05",
          "window": {
            "start": {
              "local": "2020-07-05T19:41:19+04:00",
              "utc": "2020-07-05T15:41:19Z",
              "ms": 1593963678633.4814
            },
            "end": {
              "local": "2020-07-05T19:41:19+04:00",
              "utc": "2020-07-05T15:41:19Z",
              "ms": 1593963678633.4814
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-07-06",
          "window": {
            "start": {
              "local": "2020-07-06T20:33:13+04:00",
              "utc": "2020-07-06T16:33:13Z",
              "ms": 1594053193394.756
            },
            "end": {
              "local": "2020-07-06T20:33:13+04:00",
              "utc": "2020-07-06T16:33:13Z",
              "ms": 1594053193394.756
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 07:53 on Mon 6 Jul to 07:33 on Tue 7 Jul.",
          "fact": "2020-07-06T03:52:32Z → 2020-07-07T03:33:07Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:41 on the 5th and 20:33 on the 6th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 39593 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata (Āṣāḍha), Abu Dhabi, 2020: Monday 6 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ashunya-shayana-vrata-ashadha",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 2 Asunya sayana vrata (candrodaya vyapini; purvahna vyapini and purvaviddha in Bengal)."
          }
        ],
        "not_evaluated": "In Bengal the row reads pūrvāhṇa and pūrvaviddha; that reading is not applied.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-07-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-07-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Aśūnya Śayana Vrata (Āṣāḍha) 2020 falls on Monday 6 July. Dvitīyā runs from 07:53 on Mon 6 Jul to 07:33 on Tue 7 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/sankashta-chaturthi?on=2020-07-08",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-07-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37800,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-07-08T07:49:13+04:00",
          "utc": "2020-07-08T03:49:13Z",
          "ms": 1594180152735.5327
        },
        "end": {
          "local": "2020-07-09T08:41:43+04:00",
          "utc": "2020-07-09T04:41:43Z",
          "ms": 1594269702933.7883
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-07-08T07:49:13+04:00",
          "utc": "2020-07-08T03:49:13Z",
          "ms": 1594180152735.5327
        },
        "end": {
          "local": "2020-07-09T08:41:43+04:00",
          "utc": "2020-07-09T04:41:43Z",
          "ms": 1594269702933.7883
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2020-07-07",
          "window": {
            "start": {
              "local": "2020-07-07T21:19:13+04:00",
              "utc": "2020-07-07T17:19:13Z",
              "ms": 1594142353186.9907
            },
            "end": {
              "local": "2020-07-07T21:19:13+04:00",
              "utc": "2020-07-07T17:19:13Z",
              "ms": 1594142353186.9907
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-07-08",
          "window": {
            "start": {
              "local": "2020-07-08T21:59:55+04:00",
              "utc": "2020-07-08T17:59:55Z",
              "ms": 1594231195120.8137
            },
            "end": {
              "local": "2020-07-08T21:59:55+04:00",
              "utc": "2020-07-08T17:59:55Z",
              "ms": 1594231195120.8137
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 07:49 on Wed 8 Jul to 08:42 on Thu 9 Jul.",
          "fact": "2020-07-08T03:49:13Z → 2020-07-09T04:41:43Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:19 on the 7th and 22:00 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 37800 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2020: Wednesday 8 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-07-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-07-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2020 falls on Wednesday 8 July. Caturthī runs from 07:49 on Wed 8 Jul to 08:42 on Thu 9 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/sankashta-chaturthi?on=2020-07-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/ekadashi?on=2020-07-16",
      "festival": "ekadashi",
      "name": "Kāmikā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-07-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26937,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-07-15T20:50:05+04:00",
          "utc": "2020-07-15T16:50:05Z",
          "ms": 1594831805232.7783
        },
        "end": {
          "local": "2020-07-16T22:15:24+04:00",
          "utc": "2020-07-16T18:15:24Z",
          "ms": 1594923324018.2188
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-07-15T20:50:05+04:00",
          "utc": "2020-07-15T16:50:05Z",
          "ms": 1594831805232.7783
        },
        "end": {
          "local": "2020-07-16T22:15:24+04:00",
          "utc": "2020-07-16T18:15:24Z",
          "ms": 1594923324018.2188
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-07-16",
          "window": {
            "start": {
              "local": "2020-07-16T05:43:54+04:00",
              "utc": "2020-07-16T01:43:54Z",
              "ms": 1594863833918.6985
            },
            "end": {
              "local": "2020-07-16T05:43:54+04:00",
              "utc": "2020-07-16T01:43:54Z",
              "ms": 1594863833918.6985
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-07-17",
          "window": {
            "start": {
              "local": "2020-07-17T05:44:21+04:00",
              "utc": "2020-07-17T01:44:21Z",
              "ms": 1594950261022.4734
            },
            "end": {
              "local": "2020-07-17T05:44:21+04:00",
              "utc": "2020-07-17T01:44:21Z",
              "ms": 1594950261022.4734
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 20:50 on Wed 15 Jul to 22:15 on Thu 16 Jul.",
          "fact": "2020-07-15T16:50:05Z → 2020-07-16T18:15:24Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:44 on the 16th and 05:44 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 26937 s"
        },
        {
          "step": "ruling",
          "text": "Kāmikā Ekādaśī, Abu Dhabi, 2020: Thursday 16 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": "2020-07-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-07-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kāmikā Ekādaśī 2020 falls on Thursday 16 July. Ekādaśī runs from 20:50 on Wed 15 Jul to 22:15 on Thu 16 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-07-16",
      "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/2020/pradosha-vrata?on=2020-07-18",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-07-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8802,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-07-17T23:03:39+04:00",
          "utc": "2020-07-17T19:03:39Z",
          "ms": 1595012619463.1816
        },
        "end": {
          "local": "2020-07-18T23:11:49+04:00",
          "utc": "2020-07-18T19:11:49Z",
          "ms": 1595099508911.434
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-07-17T23:03:39+04:00",
          "utc": "2020-07-17T19:03:39Z",
          "ms": 1595012619463.1816
        },
        "end": {
          "local": "2020-07-18T23:11:49+04:00",
          "utc": "2020-07-18T19:11:49Z",
          "ms": 1595099508911.434
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-07-17",
          "window": {
            "start": {
              "local": "2020-07-17T19:12:40+04:00",
              "utc": "2020-07-17T15:12:40Z",
              "ms": 1594998760265.8486
            },
            "end": {
              "local": "2020-07-17T20:36:57+04:00",
              "utc": "2020-07-17T16:36:57Z",
              "ms": 1595003817339.8638
            }
          },
          "covered_min": 0,
          "window_min": 84,
          "qualifies": false
        },
        {
          "local_date": "2020-07-18",
          "window": {
            "start": {
              "local": "2020-07-18T19:12:22+04:00",
              "utc": "2020-07-18T15:12:22Z",
              "ms": 1595085141762.5415
            },
            "end": {
              "local": "2020-07-18T20:36:45+04:00",
              "utc": "2020-07-18T16:36:45Z",
              "ms": 1595090204965.7246
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 23:04 on Fri 17 Jul to 23:12 on Sat 18 Jul.",
          "fact": "2020-07-17T19:03:39Z → 2020-07-18T19:11:49Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:13–20:37 on the 17th, 19:12–20:37 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 84 minutes on the 17th and 84 of 84 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 8802 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2020: Saturday 18 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": "2020-07-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-07-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2020 falls on Saturday 18 July. Trayodaśī runs from 23:04 on Fri 17 Jul to 23:12 on Sat 18 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-07-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/shivaratri?on=2020-07-18",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-07-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3180,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2020-07-18T23:11:49+04:00",
          "utc": "2020-07-18T19:11:49Z",
          "ms": 1595099508911.434
        },
        "end": {
          "local": "2020-07-19T22:40:26+04:00",
          "utc": "2020-07-19T18:40:26Z",
          "ms": 1595184026130.5474
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-07-18T23:11:49+04:00",
          "utc": "2020-07-18T19:11:49Z",
          "ms": 1595099508911.434
        },
        "end": {
          "local": "2020-07-19T22:40:26+04:00",
          "utc": "2020-07-19T18:40:26Z",
          "ms": 1595184026130.5474
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2020-07-18",
          "window": {
            "start": {
              "local": "2020-07-19T00:04:49+04:00",
              "utc": "2020-07-18T20:04:49Z",
              "ms": 1595102688774.4783
            },
            "end": {
              "local": "2020-07-19T00:52:49+04:00",
              "utc": "2020-07-18T20:52:49Z",
              "ms": 1595105568774.4783
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-07-19",
          "window": {
            "start": {
              "local": "2020-07-20T00:04:53+04:00",
              "utc": "2020-07-19T20:04:53Z",
              "ms": 1595189092711.0645
            },
            "end": {
              "local": "2020-07-20T00:52:53+04:00",
              "utc": "2020-07-19T20:52:53Z",
              "ms": 1595191972711.0645
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 23:12 on Sat 18 Jul to 22:40 on Sun 19 Jul.",
          "fact": "2020-07-18T19:11:49Z → 2020-07-19T18:40:26Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:05–00:53 on the 18th, 00:05–00:53 on the 19th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 3180 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2020: Saturday 18 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-07-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-07-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2020 falls on Saturday 18 July. Caturdaśī runs from 23:12 on Sat 18 Jul to 22:40 on Sun 19 Jul and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/shivaratri?on=2020-07-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/madhusrava-tritiya",
      "festival": "madhusrava-tritiya",
      "name": "Madhusravā Tṛtīyā",
      "everyday": "Hariyali Teej",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-07-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9648,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2020-07-22T17:52:40+04:00",
          "utc": "2020-07-22T13:52:40Z",
          "ms": 1595425960112.9417
        },
        "end": {
          "local": "2020-07-23T15:33:37+04:00",
          "utc": "2020-07-23T11:33:37Z",
          "ms": 1595504016890.916
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-07-22T17:52:40+04:00",
          "utc": "2020-07-22T13:52:40Z",
          "ms": 1595425960112.9417
        },
        "end": {
          "local": "2020-07-23T15:33:37+04:00",
          "utc": "2020-07-23T11:33:37Z",
          "ms": 1595504016890.916
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-07-22",
          "window": {
            "start": {
              "local": "2020-07-22T12:04:47+04:00",
              "utc": "2020-07-22T08:04:47Z",
              "ms": 1595405087192.0808
            },
            "end": {
              "local": "2020-07-22T12:52:47+04:00",
              "utc": "2020-07-22T08:52:47Z",
              "ms": 1595407967192.0808
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-07-23",
          "window": {
            "start": {
              "local": "2020-07-23T12:04:49+04:00",
              "utc": "2020-07-23T08:04:49Z",
              "ms": 1595491488803.872
            },
            "end": {
              "local": "2020-07-23T12:52:49+04:00",
              "utc": "2020-07-23T08:52:49Z",
              "ms": 1595494368803.872
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 17:53 on Wed 22 Jul to 15:34 on Thu 23 Jul.",
          "fact": "2020-07-22T13:52:40Z → 2020-07-23T11:33:37Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 22nd, 12:05–12:53 on the 23rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 9648 s"
        },
        {
          "step": "ruling",
          "text": "Madhusravā Tṛtīyā, Abu Dhabi, 2020: Thursday 23 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "madhusrava-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Madhusrava (Gujerat) (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-07-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-07-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Madhusravā Tṛtīyā (Hariyali Teej) 2020 falls on Thursday 23 July. Tṛtīyā runs from 17:53 on Wed 22 Jul to 15:34 on Thu 23 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/vinayaka-chaturthi?on=2020-07-24",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-07-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 713,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-07-23T15:33:37+04:00",
          "utc": "2020-07-23T11:33:37Z",
          "ms": 1595504016890.916
        },
        "end": {
          "local": "2020-07-24T13:04:43+04:00",
          "utc": "2020-07-24T09:04:43Z",
          "ms": 1595581482630.9785
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-07-23T15:33:37+04:00",
          "utc": "2020-07-23T11:33:37Z",
          "ms": 1595504016890.916
        },
        "end": {
          "local": "2020-07-24T13:04:43+04:00",
          "utc": "2020-07-24T09:04:43Z",
          "ms": 1595581482630.9785
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-07-23",
          "window": {
            "start": {
              "local": "2020-07-23T12:04:49+04:00",
              "utc": "2020-07-23T08:04:49Z",
              "ms": 1595491488803.872
            },
            "end": {
              "local": "2020-07-23T12:52:49+04:00",
              "utc": "2020-07-23T08:52:49Z",
              "ms": 1595494368803.872
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-07-24",
          "window": {
            "start": {
              "local": "2020-07-24T12:04:50+04:00",
              "utc": "2020-07-24T08:04:50Z",
              "ms": 1595577889821.5767
            },
            "end": {
              "local": "2020-07-24T12:52:50+04:00",
              "utc": "2020-07-24T08:52:50Z",
              "ms": 1595580769821.5767
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 15:34 on Thu 23 Jul to 13:05 on Fri 24 Jul.",
          "fact": "2020-07-23T11:33:37Z → 2020-07-24T09:04:43Z"
        },
        {
          "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 713 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2020: Friday 24 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-07-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-07-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2020 falls on Friday 24 July. Caturthī runs from 15:34 on Thu 23 Jul to 13:05 on Fri 24 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/vinayaka-chaturthi?on=2020-07-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/naga-panchami",
      "festival": "naga-panchami",
      "name": "Nāga Pañcamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-07-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 713,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2020-07-24T13:04:43+04:00",
          "utc": "2020-07-24T09:04:43Z",
          "ms": 1595581482630.9785
        },
        "end": {
          "local": "2020-07-25T10:32:30+04:00",
          "utc": "2020-07-25T06:32:30Z",
          "ms": 1595658749966.6218
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-07-24T13:04:43+04:00",
          "utc": "2020-07-24T09:04:43Z",
          "ms": 1595581482630.9785
        },
        "end": {
          "local": "2020-07-25T10:32:30+04:00",
          "utc": "2020-07-25T06:32:30Z",
          "ms": 1595658749966.6218
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-07-24",
          "window": {
            "start": {
              "local": "2020-07-24T12:04:50+04:00",
              "utc": "2020-07-24T08:04:50Z",
              "ms": 1595577889821.5767
            },
            "end": {
              "local": "2020-07-24T12:52:50+04:00",
              "utc": "2020-07-24T08:52:50Z",
              "ms": 1595580769821.5767
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-07-25",
          "window": {
            "start": {
              "local": "2020-07-25T12:04:50+04:00",
              "utc": "2020-07-25T08:04:50Z",
              "ms": 1595664290235.7256
            },
            "end": {
              "local": "2020-07-25T12:52:50+04:00",
              "utc": "2020-07-25T08:52:50Z",
              "ms": 1595667170235.7256
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 13:05 on Fri 24 Jul to 10:32 on Sat 25 Jul.",
          "fact": "2020-07-24T09:04:43Z → 2020-07-25T06:32:30Z"
        },
        {
          "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": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 0 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: paraviddha → second-day · margin 713 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī, Abu Dhabi, 2020: Saturday 25 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Naga pancami (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-07-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-07-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Nāga Pañcamī 2020 falls on Saturday 25 July. Pañcamī runs from 13:05 on Fri 24 Jul to 10:32 on Sat 25 Jul, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ekadashi?on=2020-07-30",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-07-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21825,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-07-29T23:46:36+04:00",
          "utc": "2020-07-29T19:46:36Z",
          "ms": 1596051995921.4094
        },
        "end": {
          "local": "2020-07-30T22:20:23+04:00",
          "utc": "2020-07-30T18:20:23Z",
          "ms": 1596133223202.1152
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-07-29T23:46:36+04:00",
          "utc": "2020-07-29T19:46:36Z",
          "ms": 1596051995921.4094
        },
        "end": {
          "local": "2020-07-30T22:20:23+04:00",
          "utc": "2020-07-30T18:20:23Z",
          "ms": 1596133223202.1152
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-07-30",
          "window": {
            "start": {
              "local": "2020-07-30T05:50:21+04:00",
              "utc": "2020-07-30T01:50:21Z",
              "ms": 1596073821324.454
            },
            "end": {
              "local": "2020-07-30T05:50:21+04:00",
              "utc": "2020-07-30T01:50:21Z",
              "ms": 1596073821324.454
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-07-31",
          "window": {
            "start": {
              "local": "2020-07-31T05:50:49+04:00",
              "utc": "2020-07-31T01:50:49Z",
              "ms": 1596160248832.4543
            },
            "end": {
              "local": "2020-07-31T05:50:49+04:00",
              "utc": "2020-07-31T01:50:49Z",
              "ms": 1596160248832.4543
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 23:47 on Wed 29 Jul to 22:20 on Thu 30 Jul.",
          "fact": "2020-07-29T19:46:36Z → 2020-07-30T18:20:23Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:50 on the 30th and 05:51 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 21825 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Abu Dhabi, 2020: Thursday 30 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": "2020-07-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-07-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Putradā Ekādaśī 2020 falls on Thursday 30 July. Ekādaśī runs from 23:47 on Wed 29 Jul to 22:20 on Thu 30 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-07-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/damodara-dvadashi",
      "festival": "damodara-dvadashi",
      "name": "Dāmodara Dvādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-07-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29993,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2020-07-30T22:20:23+04:00",
          "utc": "2020-07-30T18:20:23Z",
          "ms": 1596133223202.1152
        },
        "end": {
          "local": "2020-07-31T21:12:33+04:00",
          "utc": "2020-07-31T17:12:33Z",
          "ms": 1596215552763.0537
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-07-30T22:20:23+04:00",
          "utc": "2020-07-30T18:20:23Z",
          "ms": 1596133223202.1152
        },
        "end": {
          "local": "2020-07-31T21:12:33+04:00",
          "utc": "2020-07-31T17:12:33Z",
          "ms": 1596215552763.0537
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-07-30",
          "window": {
            "start": {
              "local": "2020-07-30T12:04:43+04:00",
              "utc": "2020-07-30T08:04:43Z",
              "ms": 1596096283060.4482
            },
            "end": {
              "local": "2020-07-30T12:52:43+04:00",
              "utc": "2020-07-30T08:52:43Z",
              "ms": 1596099163060.4482
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-07-31",
          "window": {
            "start": {
              "local": "2020-07-31T12:04:40+04:00",
              "utc": "2020-07-31T08:04:40Z",
              "ms": 1596182679764.9482
            },
            "end": {
              "local": "2020-07-31T12:52:40+04:00",
              "utc": "2020-07-31T08:52:40Z",
              "ms": 1596185559764.9482
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 22:20 on Thu 30 Jul to 21:13 on Fri 31 Jul.",
          "fact": "2020-07-30T18:20:23Z → 2020-07-31T17:12:33Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 30th, 12:05–12:53 on the 31st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 29993 s"
        },
        {
          "step": "ruling",
          "text": "Dāmodara Dvādaśī, Abu Dhabi, 2020: Friday 31 July.",
          "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": "2020-07-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-07-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Dāmodara Dvādaśī 2020 falls on Friday 31 July. Dvādaśī runs from 22:20 on Thu 30 Jul to 21:13 on Fri 31 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/pradosha-vrata?on=2020-08-01",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 432,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-07-31T21:12:33+04:00",
          "utc": "2020-07-31T17:12:33Z",
          "ms": 1596215552763.0537
        },
        "end": {
          "local": "2020-08-01T20:24:50+04:00",
          "utc": "2020-08-01T16:24:50Z",
          "ms": 1596299090000.003
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-07-31T21:12:33+04:00",
          "utc": "2020-07-31T17:12:33Z",
          "ms": 1596215552763.0537
        },
        "end": {
          "local": "2020-08-01T20:24:50+04:00",
          "utc": "2020-08-01T16:24:50Z",
          "ms": 1596299090000.003
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-07-31",
          "window": {
            "start": {
              "local": "2020-07-31T19:06:31+04:00",
              "utc": "2020-07-31T15:06:31Z",
              "ms": 1596207990697.442
            },
            "end": {
              "local": "2020-07-31T20:32:29+04:00",
              "utc": "2020-07-31T16:32:29Z",
              "ms": 1596213148767.9036
            }
          },
          "covered_min": 0,
          "window_min": 86,
          "qualifies": false
        },
        {
          "local_date": "2020-08-01",
          "window": {
            "start": {
              "local": "2020-08-01T19:05:55+04:00",
              "utc": "2020-08-01T15:05:55Z",
              "ms": 1596294355481.165
            },
            "end": {
              "local": "2020-08-01T20:32:02+04:00",
              "utc": "2020-08-01T16:32:02Z",
              "ms": 1596299521883.0203
            }
          },
          "covered_min": 79,
          "window_min": 86,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 21:13 on Fri 31 Jul to 20:25 on Sat 1 Aug.",
          "fact": "2020-07-31T17:12:33Z → 2020-08-01T16:24:50Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:07–20:32 on the 31st, 19:06–20:32 on the 1st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 86 minutes on the 31st and 79 of 86 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 432 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2020: Saturday 1 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-01",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-01",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2020 falls on Saturday 1 August. Trayodaśī runs from 21:13 on Fri 31 Jul to 20:25 on Sat 1 Aug and covers 79 of 86 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-08-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/raksha-bandhana",
      "festival": "raksha-bandhana",
      "name": "Rakṣā Bandhana",
      "everyday": "Rakhi",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7419,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2020-08-02T19:59:25+04:00",
          "utc": "2020-08-02T15:59:25Z",
          "ms": 1596383964824.7014
        },
        "end": {
          "local": "2020-08-03T19:58:46+04:00",
          "utc": "2020-08-03T15:58:46Z",
          "ms": 1596470326036.7922
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "second-half",
        "start": {
          "local": "2020-08-03T07:55:50+04:00",
          "utc": "2020-08-03T03:55:50Z",
          "ms": 1596426950082.693
        },
        "end": {
          "local": "2020-08-03T19:58:46+04:00",
          "utc": "2020-08-03T15:58:46Z",
          "ms": 1596470326036.7922
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2020-08-02",
          "window": {
            "start": {
              "local": "2020-08-02T05:51:43+04:00",
              "utc": "2020-08-02T01:51:43Z",
              "ms": 1596333103495.08
            },
            "end": {
              "local": "2020-08-03T05:52:11+04:00",
              "utc": "2020-08-03T01:52:11Z",
              "ms": 1596419530631.0916
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        },
        {
          "local_date": "2020-08-03",
          "window": {
            "start": {
              "local": "2020-08-03T05:52:11+04:00",
              "utc": "2020-08-03T01:52:11Z",
              "ms": 1596419530631.0916
            },
            "end": {
              "local": "2020-08-04T05:52:38+04:00",
              "utc": "2020-08-04T01:52:38Z",
              "ms": 1596505957626.456
            }
          },
          "covered_min": 723,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:59 on Sun 2 Aug to 19:59 on Mon 3 Aug. Its second half begins at 07:56 on Mon 3 Aug.",
          "fact": "2020-08-02T15:59:25Z → 2020-08-03T15:58:46Z · second half from 2020-08-03T03:55:50Z"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 05:52 on the 2nd, and from 05:52 on the 3rd.",
          "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The second half of Pūrṇimā must be present during the day. It covers 0 of 1440 minutes on the 2nd and 723 of 1440 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one day qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7419 s"
        },
        {
          "step": "ruling",
          "text": "Rakṣā Bandhana, Abu Dhabi, 2020: Monday 3 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "raksha-bandhana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana"
          }
        ],
        "kaala": "day",
        "priority": "unstated",
        "when_absent": "unstated",
        "half": "second"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Rakṣā Bandhana (Rakhi) 2020 falls on Monday 3 August. The second half of Pūrṇimā runs from 07:56 on Mon 3 Aug to 19:59 on Mon 3 Aug and lies within that day, sunrise to sunrise.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/rishi-tarpana",
      "festival": "rishi-tarpana",
      "name": "Ṛṣi Tarpaṇa",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25580,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2020-08-02T19:59:25+04:00",
          "utc": "2020-08-02T15:59:25Z",
          "ms": 1596383964824.7014
        },
        "end": {
          "local": "2020-08-03T19:58:46+04:00",
          "utc": "2020-08-03T15:58:46Z",
          "ms": 1596470326036.7922
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-02T19:59:25+04:00",
          "utc": "2020-08-02T15:59:25Z",
          "ms": 1596383964824.7014
        },
        "end": {
          "local": "2020-08-03T19:58:46+04:00",
          "utc": "2020-08-03T15:58:46Z",
          "ms": 1596470326036.7922
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-08-02",
          "window": {
            "start": {
              "local": "2020-08-02T12:04:31+04:00",
              "utc": "2020-08-02T08:04:31Z",
              "ms": 1596355471330.7131
            },
            "end": {
              "local": "2020-08-02T12:52:31+04:00",
              "utc": "2020-08-02T08:52:31Z",
              "ms": 1596358351330.7131
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-08-03",
          "window": {
            "start": {
              "local": "2020-08-03T12:04:26+04:00",
              "utc": "2020-08-03T08:04:26Z",
              "ms": 1596441866201.6387
            },
            "end": {
              "local": "2020-08-03T12:52:26+04:00",
              "utc": "2020-08-03T08:52:26Z",
              "ms": 1596444746201.6387
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:59 on Sun 2 Aug to 19:59 on Mon 3 Aug.",
          "fact": "2020-08-02T15:59:25Z → 2020-08-03T15:58:46Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 2nd, 12:04–12:52 on the 3rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 25580 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Tarpaṇa, Abu Dhabi, 2020: Monday 3 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rishi-tarpana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana"
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Ṛṣi Tarpaṇa 2020 falls on Monday 3 August. Pūrṇimā runs from 19:59 on Sun 2 Aug to 19:59 on Mon 3 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ashunya-shayana-vrata",
      "festival": "ashunya-shayana-vrata",
      "name": "Aśūnya Śayana Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1795,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2020-08-04T20:25:19+04:00",
          "utc": "2020-08-04T16:25:19Z",
          "ms": 1596558319204.0122
        },
        "end": {
          "local": "2020-08-05T21:20:48+04:00",
          "utc": "2020-08-05T17:20:48Z",
          "ms": 1596648048017.4028
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-04T20:25:19+04:00",
          "utc": "2020-08-04T16:25:19Z",
          "ms": 1596558319204.0122
        },
        "end": {
          "local": "2020-08-05T21:20:48+04:00",
          "utc": "2020-08-05T17:20:48Z",
          "ms": 1596648048017.4028
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2020-08-04",
          "window": {
            "start": {
              "local": "2020-08-04T19:55:24+04:00",
              "utc": "2020-08-04T15:55:24Z",
              "ms": 1596556524387.4766
            },
            "end": {
              "local": "2020-08-04T19:55:24+04:00",
              "utc": "2020-08-04T15:55:24Z",
              "ms": 1596556524387.4766
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-08-05",
          "window": {
            "start": {
              "local": "2020-08-05T20:33:32+04:00",
              "utc": "2020-08-05T16:33:32Z",
              "ms": 1596645211968.4436
            },
            "end": {
              "local": "2020-08-05T20:33:32+04:00",
              "utc": "2020-08-05T16:33:32Z",
              "ms": 1596645211968.4436
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 20:25 on Tue 4 Aug to 21:21 on Wed 5 Aug.",
          "fact": "2020-08-04T16:25:19Z → 2020-08-05T17:20:48Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:55 on the 4th and 20:34 on the 5th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is not on the 4th and is on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 1795 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata, Abu Dhabi, 2020: Wednesday 5 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ashunya-shayana-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)."
          }
        ],
        "kaala": "moonrise",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Aśūnya Śayana Vrata 2020 falls on Wednesday 5 August. Dvitīyā runs from 20:25 on Tue 4 Aug to 21:21 on Wed 5 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/kajjali-tritiya",
      "festival": "kajjali-tritiya",
      "name": "Kajjalī Tṛtīyā",
      "everyday": "Kajari Teej",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30514,
      "anga": {
        "type": "tithi",
        "index": 17,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2020-08-05T21:20:48+04:00",
          "utc": "2020-08-05T17:20:48Z",
          "ms": 1596648048017.4028
        },
        "end": {
          "local": "2020-08-06T22:45:22+04:00",
          "utc": "2020-08-06T18:45:22Z",
          "ms": 1596739522382.0488
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-05T21:20:48+04:00",
          "utc": "2020-08-05T17:20:48Z",
          "ms": 1596648048017.4028
        },
        "end": {
          "local": "2020-08-06T22:45:22+04:00",
          "utc": "2020-08-06T18:45:22Z",
          "ms": 1596739522382.0488
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-08-05",
          "window": {
            "start": {
              "local": "2020-08-05T12:04:14+04:00",
              "utc": "2020-08-05T08:04:14Z",
              "ms": 1596614654149.5713
            },
            "end": {
              "local": "2020-08-05T12:52:14+04:00",
              "utc": "2020-08-05T08:52:14Z",
              "ms": 1596617534149.5713
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-08-06",
          "window": {
            "start": {
              "local": "2020-08-06T12:04:07+04:00",
              "utc": "2020-08-06T08:04:07Z",
              "ms": 1596701047240.205
            },
            "end": {
              "local": "2020-08-06T12:52:07+04:00",
              "utc": "2020-08-06T08:52:07Z",
              "ms": 1596703927240.205
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 21:21 on Wed 5 Aug to 22:45 on Thu 6 Aug.",
          "fact": "2020-08-05T17:20:48Z → 2020-08-06T18:45:22Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 5th, 12:04–12:52 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 30514 s"
        },
        {
          "step": "ruling",
          "text": "Kajjalī Tṛtīyā, Abu Dhabi, 2020: Thursday 6 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kajjali-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kajjalī Tṛtīyā (Kajari Teej) 2020 falls on Thursday 6 August. Tṛtīyā runs from 21:21 on Wed 5 Aug to 22:45 on Thu 6 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/bahula-chaturthi",
      "festival": "bahula-chaturthi",
      "name": "Bahulā Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13359,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-08-06T22:45:22+04:00",
          "utc": "2020-08-06T18:45:22Z",
          "ms": 1596739522382.0488
        },
        "end": {
          "local": "2020-08-08T00:36:41+04:00",
          "utc": "2020-08-07T20:36:41Z",
          "ms": 1596832601484.7483
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-06T22:45:22+04:00",
          "utc": "2020-08-06T18:45:22Z",
          "ms": 1596739522382.0488
        },
        "end": {
          "local": "2020-08-08T00:36:41+04:00",
          "utc": "2020-08-07T20:36:41Z",
          "ms": 1596832601484.7483
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2020-08-06",
          "window": {
            "start": {
              "local": "2020-08-06T16:24:53+04:00",
              "utc": "2020-08-06T12:24:53Z",
              "ms": 1596716692882.6267
            },
            "end": {
              "local": "2020-08-06T19:02:43+04:00",
              "utc": "2020-08-06T15:02:43Z",
              "ms": 1596726163310.9077
            }
          },
          "covered_min": 0,
          "window_min": 158,
          "qualifies": false
        },
        {
          "local_date": "2020-08-07",
          "window": {
            "start": {
              "local": "2020-08-07T16:24:25+04:00",
              "utc": "2020-08-07T12:24:25Z",
              "ms": 1596803064979.0544
            },
            "end": {
              "local": "2020-08-07T19:02:02+04:00",
              "utc": "2020-08-07T15:02:02Z",
              "ms": 1596812521797.3765
            }
          },
          "covered_min": 158,
          "window_min": 158,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:45 on Thu 6 Aug to 00:37 on Sat 8 Aug.",
          "fact": "2020-08-06T18:45:22Z → 2020-08-07T20:36:41Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:25–19:03 on the 6th, 16:24–19:02 on the 7th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during sāyāhna. It covers 0 of 158 minutes on the 6th and 158 of 158 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one late afternoon qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 13359 s"
        },
        {
          "step": "ruling",
          "text": "Bahulā Caturthī, Abu Dhabi, 2020: Friday 7 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bahula-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)."
          }
        ],
        "kaala": "sayahna",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Bahulā Caturthī 2020 falls on Friday 7 August. Caturthī runs from 22:45 on Thu 6 Aug to 00:37 on Sat 8 Aug and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/sankashta-chaturthi?on=2020-08-07",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5826,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-08-06T22:45:22+04:00",
          "utc": "2020-08-06T18:45:22Z",
          "ms": 1596739522382.0488
        },
        "end": {
          "local": "2020-08-08T00:36:41+04:00",
          "utc": "2020-08-07T20:36:41Z",
          "ms": 1596832601484.7483
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-06T22:45:22+04:00",
          "utc": "2020-08-06T18:45:22Z",
          "ms": 1596739522382.0488
        },
        "end": {
          "local": "2020-08-08T00:36:41+04:00",
          "utc": "2020-08-07T20:36:41Z",
          "ms": 1596832601484.7483
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2020-08-06",
          "window": {
            "start": {
              "local": "2020-08-06T21:08:17+04:00",
              "utc": "2020-08-06T17:08:17Z",
              "ms": 1596733696828.7412
            },
            "end": {
              "local": "2020-08-06T21:08:17+04:00",
              "utc": "2020-08-06T17:08:17Z",
              "ms": 1596733696828.7412
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-08-07",
          "window": {
            "start": {
              "local": "2020-08-07T21:40:48+04:00",
              "utc": "2020-08-07T17:40:48Z",
              "ms": 1596822048063.4526
            },
            "end": {
              "local": "2020-08-07T21:40:48+04:00",
              "utc": "2020-08-07T17:40:48Z",
              "ms": 1596822048063.4526
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:45 on Thu 6 Aug to 00:37 on Sat 8 Aug.",
          "fact": "2020-08-06T18:45:22Z → 2020-08-07T20:36:41Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:08 on the 6th and 21:41 on the 7th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 6th and is on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5826 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2020: Friday 7 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": "2020-08-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2020 falls on Friday 7 August. Caturthī runs from 22:45 on Thu 6 Aug to 00:37 on Sat 8 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/sankashta-chaturthi?on=2020-08-07",
      "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/2020/hala-shashthi",
      "festival": "hala-shashthi",
      "name": "Hala Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24609,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2020-08-09T02:49:07+04:00",
          "utc": "2020-08-08T22:49:07Z",
          "ms": 1596926946667.2878
        },
        "end": {
          "local": "2020-08-10T05:13:24+04:00",
          "utc": "2020-08-10T01:13:24Z",
          "ms": 1597022004441.3782
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-09T02:49:07+04:00",
          "utc": "2020-08-08T22:49:07Z",
          "ms": 1596926946667.2878
        },
        "end": {
          "local": "2020-08-10T05:13:24+04:00",
          "utc": "2020-08-10T01:13:24Z",
          "ms": 1597022004441.3782
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-08-09",
          "window": {
            "start": {
              "local": "2020-08-09T12:03:43+04:00",
              "utc": "2020-08-09T08:03:43Z",
              "ms": 1596960223066.6172
            },
            "end": {
              "local": "2020-08-09T12:51:43+04:00",
              "utc": "2020-08-09T08:51:43Z",
              "ms": 1596963103066.6172
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-08-10",
          "window": {
            "start": {
              "local": "2020-08-10T12:03:34+04:00",
              "utc": "2020-08-10T08:03:34Z",
              "ms": 1597046613885.7573
            },
            "end": {
              "local": "2020-08-10T12:51:34+04:00",
              "utc": "2020-08-10T08:51:34Z",
              "ms": 1597049493885.7573
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 02:49 on Sun 9 Aug to 05:13 on Mon 10 Aug.",
          "fact": "2020-08-08T22:49:07Z → 2020-08-10T01:13:24Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 9th, 12:04–12:52 on the 10th.",
          "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 9th and 0 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 24609 s"
        },
        {
          "step": "ruling",
          "text": "Hala Ṣaṣṭhī, Abu Dhabi, 2020: Sunday 9 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "hala-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 6 Hala sasthi (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Hala Ṣaṣṭhī 2020 falls on Sunday 9 August. Ṣaṣṭhī runs from 02:49 on Sun 9 Aug to 05:13 on Mon 10 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/shitala-saptami",
      "festival": "shitala-saptami",
      "name": "Śītalā Saptamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15966,
      "anga": {
        "type": "tithi",
        "index": 21,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2020-08-10T05:13:24+04:00",
          "utc": "2020-08-10T01:13:24Z",
          "ms": 1597022004441.3782
        },
        "end": {
          "local": "2020-08-11T07:37:19+04:00",
          "utc": "2020-08-11T03:37:19Z",
          "ms": 1597117038645.1184
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-10T05:13:24+04:00",
          "utc": "2020-08-10T01:13:24Z",
          "ms": 1597022004441.3782
        },
        "end": {
          "local": "2020-08-11T07:37:19+04:00",
          "utc": "2020-08-11T03:37:19Z",
          "ms": 1597117038645.1184
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-08-10",
          "window": {
            "start": {
              "local": "2020-08-10T12:03:34+04:00",
              "utc": "2020-08-10T08:03:34Z",
              "ms": 1597046613885.7573
            },
            "end": {
              "local": "2020-08-10T12:51:34+04:00",
              "utc": "2020-08-10T08:51:34Z",
              "ms": 1597049493885.7573
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-08-11",
          "window": {
            "start": {
              "local": "2020-08-11T12:03:24+04:00",
              "utc": "2020-08-11T08:03:24Z",
              "ms": 1597133004156.5293
            },
            "end": {
              "local": "2020-08-11T12:51:24+04:00",
              "utc": "2020-08-11T08:51:24Z",
              "ms": 1597135884156.5293
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 05:13 on Mon 10 Aug to 07:37 on Tue 11 Aug.",
          "fact": "2020-08-10T01:13:24Z → 2020-08-11T03:37:19Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 10th, 12:03–12:51 on the 11th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 15966 s"
        },
        {
          "step": "ruling",
          "text": "Śītalā Saptamī, Abu Dhabi, 2020: Monday 10 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shitala-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 7 Sitala saptami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śītalā Saptamī 2020 falls on Monday 10 August. Saptamī runs from 05:13 on Mon 10 Aug to 07:37 on Tue 11 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/janmashtami",
      "festival": "janmashtami",
      "name": "Janmāṣṭamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24332,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2020-08-11T07:37:19+04:00",
          "utc": "2020-08-11T03:37:19Z",
          "ms": 1597117038645.1184
        },
        "end": {
          "local": "2020-08-12T09:46:57+04:00",
          "utc": "2020-08-12T05:46:57Z",
          "ms": 1597211217290.729
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-11T07:37:19+04:00",
          "utc": "2020-08-11T03:37:19Z",
          "ms": 1597117038645.1184
        },
        "end": {
          "local": "2020-08-12T09:46:57+04:00",
          "utc": "2020-08-12T05:46:57Z",
          "ms": 1597211217290.729
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2020-08-10",
          "window": {
            "start": {
              "local": "2020-08-11T00:03:47+04:00",
              "utc": "2020-08-10T20:03:47Z",
              "ms": 1597089826812.342
            },
            "end": {
              "local": "2020-08-11T00:51:47+04:00",
              "utc": "2020-08-10T20:51:47Z",
              "ms": 1597092706812.342
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-08-11",
          "window": {
            "start": {
              "local": "2020-08-12T00:03:37+04:00",
              "utc": "2020-08-11T20:03:37Z",
              "ms": 1597176216992.3286
            },
            "end": {
              "local": "2020-08-12T00:51:37+04:00",
              "utc": "2020-08-11T20:51:37Z",
              "ms": 1597179096992.3286
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 07:37 on Tue 11 Aug to 09:47 on Wed 12 Aug.",
          "fact": "2020-08-11T03:37:19Z → 2020-08-12T05:46:57Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:04–00:52 on the 10th, 00:04–00:52 on the 11th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 24332 s"
        },
        {
          "step": "ruling",
          "text": "Janmāṣṭamī, Abu Dhabi, 2020: Tuesday 11 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "janmashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami."
          }
        ],
        "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.",
        "kaala": "nishita",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Janmāṣṭamī 2020 falls on Tuesday 11 August. Aṣṭamī runs from 07:37 on Tue 11 Aug to 09:47 on Wed 12 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ekadashi?on=2020-08-15",
      "festival": "ekadashi",
      "name": "Ajā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23727,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-08-14T12:32:26+04:00",
          "utc": "2020-08-14T08:32:26Z",
          "ms": 1597393945679.3164
        },
        "end": {
          "local": "2020-08-15T12:50:34+04:00",
          "utc": "2020-08-15T08:50:34Z",
          "ms": 1597481433913.0183
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-14T12:32:26+04:00",
          "utc": "2020-08-14T08:32:26Z",
          "ms": 1597393945679.3164
        },
        "end": {
          "local": "2020-08-15T12:50:34+04:00",
          "utc": "2020-08-15T08:50:34Z",
          "ms": 1597481433913.0183
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-08-14",
          "window": {
            "start": {
              "local": "2020-08-14T05:56:59+04:00",
              "utc": "2020-08-14T01:56:59Z",
              "ms": 1597370218620.608
            },
            "end": {
              "local": "2020-08-14T05:56:59+04:00",
              "utc": "2020-08-14T01:56:59Z",
              "ms": 1597370218620.608
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-08-15",
          "window": {
            "start": {
              "local": "2020-08-15T05:57:24+04:00",
              "utc": "2020-08-15T01:57:24Z",
              "ms": 1597456643724.5457
            },
            "end": {
              "local": "2020-08-15T05:57:24+04:00",
              "utc": "2020-08-15T01:57:24Z",
              "ms": 1597456643724.5457
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 12:32 on Fri 14 Aug to 12:51 on Sat 15 Aug.",
          "fact": "2020-08-14T08:32:26Z → 2020-08-15T08:50:34Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:57 on the 14th and 05:57 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 23727 s"
        },
        {
          "step": "ruling",
          "text": "Ajā Ekādaśī, Abu Dhabi, 2020: Saturday 15 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": "2020-08-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Ajā Ekādaśī 2020 falls on Saturday 15 August. Ekādaśī runs from 12:32 on Fri 14 Aug to 12:51 on Sat 15 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-08-15",
      "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/2020/pradosha-vrata?on=2020-08-16",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23644,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-08-16T12:21:03+04:00",
          "utc": "2020-08-16T08:21:03Z",
          "ms": 1597566062972.6821
        },
        "end": {
          "local": "2020-08-17T11:05:48+04:00",
          "utc": "2020-08-17T07:05:48Z",
          "ms": 1597647947788.6885
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-16T12:21:03+04:00",
          "utc": "2020-08-16T08:21:03Z",
          "ms": 1597566062972.6821
        },
        "end": {
          "local": "2020-08-17T11:05:48+04:00",
          "utc": "2020-08-17T07:05:48Z",
          "ms": 1597647947788.6885
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-08-16",
          "window": {
            "start": {
              "local": "2020-08-16T18:55:07+04:00",
              "utc": "2020-08-16T14:55:07Z",
              "ms": 1597589706504.1863
            },
            "end": {
              "local": "2020-08-16T20:23:31+04:00",
              "utc": "2020-08-16T16:23:31Z",
              "ms": 1597595011415.3088
            }
          },
          "covered_min": 88,
          "window_min": 88,
          "qualifies": true
        },
        {
          "local_date": "2020-08-17",
          "window": {
            "start": {
              "local": "2020-08-17T18:54:16+04:00",
              "utc": "2020-08-17T14:54:16Z",
              "ms": 1597676056096.5334
            },
            "end": {
              "local": "2020-08-17T20:22:51+04:00",
              "utc": "2020-08-17T16:22:51Z",
              "ms": 1597681370995.4226
            }
          },
          "covered_min": 0,
          "window_min": 89,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 12:21 on Sun 16 Aug to 11:06 on Mon 17 Aug.",
          "fact": "2020-08-16T08:21:03Z → 2020-08-17T07:05:48Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:55–20:24 on the 16th, 18:54–20:23 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 88 of 88 minutes on the 16th and 0 of 89 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 23644 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2020: Sunday 16 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2020 falls on Sunday 16 August. Trayodaśī runs from 12:21 on Sun 16 Aug to 11:06 on Mon 17 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-08-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/aghora-chaturdashi",
      "festival": "aghora-chaturdashi",
      "name": "Aghora Caturdaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28108,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2020-08-17T11:05:48+04:00",
          "utc": "2020-08-17T07:05:48Z",
          "ms": 1597647947788.6885
        },
        "end": {
          "local": "2020-08-18T09:10:06+04:00",
          "utc": "2020-08-18T05:10:06Z",
          "ms": 1597727406481.0146
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-17T11:05:48+04:00",
          "utc": "2020-08-17T07:05:48Z",
          "ms": 1597647947788.6885
        },
        "end": {
          "local": "2020-08-18T09:10:06+04:00",
          "utc": "2020-08-18T05:10:06Z",
          "ms": 1597727406481.0146
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-08-17",
          "window": {
            "start": {
              "local": "2020-08-17T18:54:16+04:00",
              "utc": "2020-08-17T14:54:16Z",
              "ms": 1597676056096.5334
            },
            "end": {
              "local": "2020-08-17T20:22:51+04:00",
              "utc": "2020-08-17T16:22:51Z",
              "ms": 1597681370995.4226
            }
          },
          "covered_min": 89,
          "window_min": 89,
          "qualifies": true
        },
        {
          "local_date": "2020-08-18",
          "window": {
            "start": {
              "local": "2020-08-18T18:53:25+04:00",
              "utc": "2020-08-18T14:53:25Z",
              "ms": 1597762404906.6985
            },
            "end": {
              "local": "2020-08-18T20:22:10+04:00",
              "utc": "2020-08-18T16:22:10Z",
              "ms": 1597767729869.6577
            }
          },
          "covered_min": 0,
          "window_min": 89,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 11:06 on Mon 17 Aug to 09:10 on Tue 18 Aug.",
          "fact": "2020-08-17T07:05:48Z → 2020-08-18T05:10:06Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:54–20:23 on the 17th, 18:53–20:22 on the 18th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 89 of 89 minutes on the 17th and 0 of 89 on the 18th.",
          "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 28108 s"
        },
        {
          "step": "ruling",
          "text": "Aghora Caturdaśī, Abu Dhabi, 2020: Monday 17 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "aghora-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Aghora caturdasi (pradosa vyapini)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Aghora Caturdaśī 2020 falls on Monday 17 August. Caturdaśī runs from 11:06 on Mon 17 Aug to 09:10 on Tue 18 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/shivaratri?on=2020-08-17",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29980,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2020-08-17T11:05:48+04:00",
          "utc": "2020-08-17T07:05:48Z",
          "ms": 1597647947788.6885
        },
        "end": {
          "local": "2020-08-18T09:10:06+04:00",
          "utc": "2020-08-18T05:10:06Z",
          "ms": 1597727406481.0146
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-17T11:05:48+04:00",
          "utc": "2020-08-17T07:05:48Z",
          "ms": 1597647947788.6885
        },
        "end": {
          "local": "2020-08-18T09:10:06+04:00",
          "utc": "2020-08-18T05:10:06Z",
          "ms": 1597727406481.0146
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2020-08-16",
          "window": {
            "start": {
              "local": "2020-08-17T00:02:40+04:00",
              "utc": "2020-08-16T20:02:40Z",
              "ms": 1597608159920.8958
            },
            "end": {
              "local": "2020-08-17T00:50:40+04:00",
              "utc": "2020-08-16T20:50:40Z",
              "ms": 1597611039920.8958
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-08-17",
          "window": {
            "start": {
              "local": "2020-08-18T00:02:27+04:00",
              "utc": "2020-08-17T20:02:27Z",
              "ms": 1597694546967.368
            },
            "end": {
              "local": "2020-08-18T00:50:27+04:00",
              "utc": "2020-08-17T20:50:27Z",
              "ms": 1597697426967.368
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 11:06 on Mon 17 Aug to 09:10 on Tue 18 Aug.",
          "fact": "2020-08-17T07:05:48Z → 2020-08-18T05:10:06Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:03–00:51 on the 16th, 00:02–00:50 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 29980 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2020: Monday 17 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2020 falls on Monday 17 August. Caturdaśī runs from 11:06 on Mon 17 Aug to 09:10 on Tue 18 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/shivaratri?on=2020-08-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/rudra-vrata",
      "festival": "rudra-vrata",
      "name": "Rudra Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19208,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2020-08-19T06:41:40+04:00",
          "utc": "2020-08-19T02:41:40Z",
          "ms": 1597804899747.0806
        },
        "end": {
          "local": "2020-08-20T03:49:33+04:00",
          "utc": "2020-08-19T23:49:33Z",
          "ms": 1597880973493.996
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-19T06:41:40+04:00",
          "utc": "2020-08-19T02:41:40Z",
          "ms": 1597804899747.0806
        },
        "end": {
          "local": "2020-08-20T03:49:33+04:00",
          "utc": "2020-08-19T23:49:33Z",
          "ms": 1597880973493.996
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-08-19",
          "window": {
            "start": {
              "local": "2020-08-19T12:01:48+04:00",
              "utc": "2020-08-19T08:01:48Z",
              "ms": 1597824107540.8071
            },
            "end": {
              "local": "2020-08-19T12:49:48+04:00",
              "utc": "2020-08-19T08:49:48Z",
              "ms": 1597826987540.8071
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-08-20",
          "window": {
            "start": {
              "local": "2020-08-20T12:01:33+04:00",
              "utc": "2020-08-20T08:01:33Z",
              "ms": 1597910493228.9468
            },
            "end": {
              "local": "2020-08-20T12:49:33+04:00",
              "utc": "2020-08-20T08:49:33Z",
              "ms": 1597913373228.9468
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 06:42 on Wed 19 Aug to 03:50 on Thu 20 Aug.",
          "fact": "2020-08-19T02:41:40Z → 2020-08-19T23:49:33Z"
        },
        {
          "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": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 19208 s"
        },
        {
          "step": "ruling",
          "text": "Rudra Vrata, Abu Dhabi, 2020: Wednesday 19 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rudra-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Rudra vrata (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Rudra Vrata 2020 falls on Wednesday 19 August. Pratipadā runs from 06:42 on Wed 19 Aug to 03:50 on Thu 20 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/haritalika-vrata",
      "festival": "haritalika-vrata",
      "name": "Haritālikā Vrata",
      "everyday": "Hartalika Teej",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31432,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2020-08-21T00:43:30+04:00",
          "utc": "2020-08-20T20:43:30Z",
          "ms": 1597956210397.8225
        },
        "end": {
          "local": "2020-08-21T21:33:10+04:00",
          "utc": "2020-08-21T17:33:10Z",
          "ms": 1598031190471.0466
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-21T00:43:30+04:00",
          "utc": "2020-08-20T20:43:30Z",
          "ms": 1597956210397.8225
        },
        "end": {
          "local": "2020-08-21T21:33:10+04:00",
          "utc": "2020-08-21T17:33:10Z",
          "ms": 1598031190471.0466
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-08-20",
          "window": {
            "start": {
              "local": "2020-08-20T12:01:33+04:00",
              "utc": "2020-08-20T08:01:33Z",
              "ms": 1597910493228.9468
            },
            "end": {
              "local": "2020-08-20T12:49:33+04:00",
              "utc": "2020-08-20T08:49:33Z",
              "ms": 1597913373228.9468
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-08-21",
          "window": {
            "start": {
              "local": "2020-08-21T12:01:18+04:00",
              "utc": "2020-08-21T08:01:18Z",
              "ms": 1597996878444.1406
            },
            "end": {
              "local": "2020-08-21T12:49:18+04:00",
              "utc": "2020-08-21T08:49:18Z",
              "ms": 1597999758444.1406
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 00:44 on Fri 21 Aug to 21:33 on Fri 21 Aug.",
          "fact": "2020-08-20T20:43:30Z → 2020-08-21T17:33:10Z"
        },
        {
          "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": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 31432 s"
        },
        {
          "step": "ruling",
          "text": "Haritālikā Vrata, Abu Dhabi, 2020: Friday 21 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "haritalika-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Haritālikā Vrata (Hartalika Teej) 2020 falls on Friday 21 August. Tṛtīyā runs from 00:44 on Fri 21 Aug to 21:33 on Fri 21 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ganesha-chaturthi",
      "festival": "ganesha-chaturthi",
      "name": "Gaṇeśa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20315,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-08-21T21:33:10+04:00",
          "utc": "2020-08-21T17:33:10Z",
          "ms": 1598031190471.0466
        },
        "end": {
          "local": "2020-08-22T18:27:38+04:00",
          "utc": "2020-08-22T14:27:38Z",
          "ms": 1598106458289.548
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-21T21:33:10+04:00",
          "utc": "2020-08-21T17:33:10Z",
          "ms": 1598031190471.0466
        },
        "end": {
          "local": "2020-08-22T18:27:38+04:00",
          "utc": "2020-08-22T14:27:38Z",
          "ms": 1598106458289.548
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-08-21",
          "window": {
            "start": {
              "local": "2020-08-21T12:01:18+04:00",
              "utc": "2020-08-21T08:01:18Z",
              "ms": 1597996878444.1406
            },
            "end": {
              "local": "2020-08-21T12:49:18+04:00",
              "utc": "2020-08-21T08:49:18Z",
              "ms": 1597999758444.1406
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-08-22",
          "window": {
            "start": {
              "local": "2020-08-22T12:01:03+04:00",
              "utc": "2020-08-22T08:01:03Z",
              "ms": 1598083263194.6023
            },
            "end": {
              "local": "2020-08-22T12:49:03+04:00",
              "utc": "2020-08-22T08:49:03Z",
              "ms": 1598086143194.6023
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 21:33 on Fri 21 Aug to 18:28 on Sat 22 Aug.",
          "fact": "2020-08-21T17:33:10Z → 2020-08-22T14:27:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 21st, 12:01–12:49 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 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 20315 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Caturthī, Abu Dhabi, 2020: Saturday 22 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ganesha-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Gaṇeśa Caturthī 2020 falls on Saturday 22 August. Caturthī runs from 21:33 on Fri 21 Aug to 18:28 on Sat 22 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/rishi-panchami",
      "festival": "rishi-panchami",
      "name": "Ṛṣi Pañcamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9967,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2020-08-22T18:27:38+04:00",
          "utc": "2020-08-22T14:27:38Z",
          "ms": 1598106458289.548
        },
        "end": {
          "local": "2020-08-23T15:34:55+04:00",
          "utc": "2020-08-23T11:34:55Z",
          "ms": 1598182494625.9863
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-22T18:27:38+04:00",
          "utc": "2020-08-22T14:27:38Z",
          "ms": 1598106458289.548
        },
        "end": {
          "local": "2020-08-23T15:34:55+04:00",
          "utc": "2020-08-23T11:34:55Z",
          "ms": 1598182494625.9863
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-08-22",
          "window": {
            "start": {
              "local": "2020-08-22T12:01:03+04:00",
              "utc": "2020-08-22T08:01:03Z",
              "ms": 1598083263194.6023
            },
            "end": {
              "local": "2020-08-22T12:49:03+04:00",
              "utc": "2020-08-22T08:49:03Z",
              "ms": 1598086143194.6023
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-08-23",
          "window": {
            "start": {
              "local": "2020-08-23T12:00:47+04:00",
              "utc": "2020-08-23T08:00:47Z",
              "ms": 1598169647489.8809
            },
            "end": {
              "local": "2020-08-23T12:48:47+04:00",
              "utc": "2020-08-23T08:48:47Z",
              "ms": 1598172527489.8809
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 18:28 on Sat 22 Aug to 15:35 on Sun 23 Aug.",
          "fact": "2020-08-22T14:27:38Z → 2020-08-23T11:34:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 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 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 9967 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Pañcamī, Abu Dhabi, 2020: Sunday 23 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rishi-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day"
          }
        ],
        "kaala": "madhyahna",
        "priority": "disputed",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Ṛṣi Pañcamī 2020 falls on Sunday 23 August. Pañcamī runs from 18:28 on Sat 22 Aug to 15:35 on Sun 23 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/surya-shashthi-bhadrapada",
      "festival": "surya-shashthi-bhadrapada",
      "name": "Sūrya Ṣaṣṭhī (Bhādrapada)",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 781,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2020-08-23T15:34:55+04:00",
          "utc": "2020-08-23T11:34:55Z",
          "ms": 1598182494625.9863
        },
        "end": {
          "local": "2020-08-24T13:01:32+04:00",
          "utc": "2020-08-24T09:01:32Z",
          "ms": 1598259691977.9404
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-23T15:34:55+04:00",
          "utc": "2020-08-23T11:34:55Z",
          "ms": 1598182494625.9863
        },
        "end": {
          "local": "2020-08-24T13:01:32+04:00",
          "utc": "2020-08-24T09:01:32Z",
          "ms": 1598259691977.9404
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-08-23",
          "window": {
            "start": {
              "local": "2020-08-23T12:00:47+04:00",
              "utc": "2020-08-23T08:00:47Z",
              "ms": 1598169647489.8809
            },
            "end": {
              "local": "2020-08-23T12:48:47+04:00",
              "utc": "2020-08-23T08:48:47Z",
              "ms": 1598172527489.8809
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-08-24",
          "window": {
            "start": {
              "local": "2020-08-24T12:00:31+04:00",
              "utc": "2020-08-24T08:00:31Z",
              "ms": 1598256031341.093
            },
            "end": {
              "local": "2020-08-24T12:48:31+04:00",
              "utc": "2020-08-24T08:48:31Z",
              "ms": 1598258911341.093
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 15:35 on Sun 23 Aug to 13:02 on Mon 24 Aug.",
          "fact": "2020-08-23T11:34:55Z → 2020-08-24T09:01:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 23rd, 12:01–12:49 on the 24th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 781 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Abu Dhabi, 2020: Monday 24 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "surya-shashthi-bhadrapada",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Sūrya Ṣaṣṭhī (Bhādrapada) 2020 falls on Monday 24 August. Ṣaṣṭhī runs from 15:35 on Sun 23 Aug to 13:02 on Mon 24 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/muktabharana-vrata",
      "festival": "muktabharana-vrata",
      "name": "Muktābharaṇa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 781,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2020-08-24T13:01:32+04:00",
          "utc": "2020-08-24T09:01:32Z",
          "ms": 1598259691977.9404
        },
        "end": {
          "local": "2020-08-25T10:52:16+04:00",
          "utc": "2020-08-25T06:52:16Z",
          "ms": 1598338335968.8586
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-24T13:01:32+04:00",
          "utc": "2020-08-24T09:01:32Z",
          "ms": 1598259691977.9404
        },
        "end": {
          "local": "2020-08-25T10:52:16+04:00",
          "utc": "2020-08-25T06:52:16Z",
          "ms": 1598338335968.8586
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-08-24",
          "window": {
            "start": {
              "local": "2020-08-24T12:00:31+04:00",
              "utc": "2020-08-24T08:00:31Z",
              "ms": 1598256031341.093
            },
            "end": {
              "local": "2020-08-24T12:48:31+04:00",
              "utc": "2020-08-24T08:48:31Z",
              "ms": 1598258911341.093
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-08-25",
          "window": {
            "start": {
              "local": "2020-08-25T12:00:15+04:00",
              "utc": "2020-08-25T08:00:15Z",
              "ms": 1598342414760.9766
            },
            "end": {
              "local": "2020-08-25T12:48:15+04:00",
              "utc": "2020-08-25T08:48:15Z",
              "ms": 1598345294760.9766
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 13:02 on Mon 24 Aug to 10:52 on Tue 25 Aug.",
          "fact": "2020-08-24T09:01:32Z → 2020-08-25T06:52:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 24th, 12:00–12:48 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 0 of 48 on the 25th.",
          "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: purvaviddha → second-day · margin 781 s"
        },
        {
          "step": "ruling",
          "text": "Muktābharaṇa Vrata, Abu Dhabi, 2020: Tuesday 25 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "muktabharana-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Muktābharaṇa Vrata 2020 falls on Tuesday 25 August. Saptamī runs from 13:02 on Mon 24 Aug to 10:52 on Tue 25 Aug, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/radhashtami",
      "festival": "radhashtami",
      "name": "Rādhāṣṭamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4079,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2020-08-25T10:52:16+04:00",
          "utc": "2020-08-25T06:52:16Z",
          "ms": 1598338335968.8586
        },
        "end": {
          "local": "2020-08-26T09:09:57+04:00",
          "utc": "2020-08-26T05:09:57Z",
          "ms": 1598418596707.9043
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-25T10:52:16+04:00",
          "utc": "2020-08-25T06:52:16Z",
          "ms": 1598338335968.8586
        },
        "end": {
          "local": "2020-08-26T09:09:57+04:00",
          "utc": "2020-08-26T05:09:57Z",
          "ms": 1598418596707.9043
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-08-25",
          "window": {
            "start": {
              "local": "2020-08-25T12:00:15+04:00",
              "utc": "2020-08-25T08:00:15Z",
              "ms": 1598342414760.9766
            },
            "end": {
              "local": "2020-08-25T12:48:15+04:00",
              "utc": "2020-08-25T08:48:15Z",
              "ms": 1598345294760.9766
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-08-26",
          "window": {
            "start": {
              "local": "2020-08-26T11:59:58+04:00",
              "utc": "2020-08-26T07:59:58Z",
              "ms": 1598428797763.8127
            },
            "end": {
              "local": "2020-08-26T12:47:58+04:00",
              "utc": "2020-08-26T08:47:58Z",
              "ms": 1598431677763.8127
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 10:52 on Tue 25 Aug to 09:10 on Wed 26 Aug.",
          "fact": "2020-08-25T06:52:16Z → 2020-08-26T05:09:57Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 25th, 12:00–12:48 on the 26th.",
          "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 25th and 0 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 4079 s"
        },
        {
          "step": "ruling",
          "text": "Rādhāṣṭamī, Abu Dhabi, 2020: Tuesday 25 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "radhashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Rādhāṣṭamī 2020 falls on Tuesday 25 August. Aṣṭamī runs from 10:52 on Tue 25 Aug to 09:10 on Wed 26 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ekadashi?on=2020-08-29",
      "festival": "ekadashi",
      "name": "Parivartanī Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2706,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-08-28T07:08:42+04:00",
          "utc": "2020-08-28T03:08:42Z",
          "ms": 1598584122007.6006
        },
        "end": {
          "local": "2020-08-29T06:47:59+04:00",
          "utc": "2020-08-29T02:47:59Z",
          "ms": 1598669279167.3428
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-28T07:08:42+04:00",
          "utc": "2020-08-28T03:08:42Z",
          "ms": 1598584122007.6006
        },
        "end": {
          "local": "2020-08-29T06:47:59+04:00",
          "utc": "2020-08-29T02:47:59Z",
          "ms": 1598669279167.3428
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-08-28",
          "window": {
            "start": {
              "local": "2020-08-28T06:02:31+04:00",
              "utc": "2020-08-28T02:02:31Z",
              "ms": 1598580150955.924
            },
            "end": {
              "local": "2020-08-28T06:02:31+04:00",
              "utc": "2020-08-28T02:02:31Z",
              "ms": 1598580150955.924
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-08-29",
          "window": {
            "start": {
              "local": "2020-08-29T06:02:53+04:00",
              "utc": "2020-08-29T02:02:53Z",
              "ms": 1598666573114.933
            },
            "end": {
              "local": "2020-08-29T06:02:53+04:00",
              "utc": "2020-08-29T02:02:53Z",
              "ms": 1598666573114.933
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 07:09 on Fri 28 Aug to 06:48 on Sat 29 Aug.",
          "fact": "2020-08-28T03:08:42Z → 2020-08-29T02:47:59Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:03 on the 28th and 06:03 on the 29th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 2706 s"
        },
        {
          "step": "ruling",
          "text": "Parivartanī Ekādaśī, Abu Dhabi, 2020: Saturday 29 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Parivartanī Ekādaśī 2020 falls on Saturday 29 August. Ekādaśī runs from 07:09 on Fri 28 Aug to 06:48 on Sat 29 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-08-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/vamana-jayanti",
      "festival": "vamana-jayanti",
      "name": "Vāmana Jayantī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18413,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2020-08-29T06:47:59+04:00",
          "utc": "2020-08-29T02:47:59Z",
          "ms": 1598669279167.3428
        },
        "end": {
          "local": "2020-08-30T06:51:53+04:00",
          "utc": "2020-08-30T02:51:53Z",
          "ms": 1598755913268.6987
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-29T06:47:59+04:00",
          "utc": "2020-08-29T02:47:59Z",
          "ms": 1598669279167.3428
        },
        "end": {
          "local": "2020-08-30T06:51:53+04:00",
          "utc": "2020-08-30T02:51:53Z",
          "ms": 1598755913268.6987
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-08-29",
          "window": {
            "start": {
              "local": "2020-08-29T11:59:04+04:00",
              "utc": "2020-08-29T07:59:04Z",
              "ms": 1598687944432.6658
            },
            "end": {
              "local": "2020-08-29T12:47:04+04:00",
              "utc": "2020-08-29T08:47:04Z",
              "ms": 1598690824432.6658
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-08-30",
          "window": {
            "start": {
              "local": "2020-08-30T11:58:46+04:00",
              "utc": "2020-08-30T07:58:46Z",
              "ms": 1598774325935.2817
            },
            "end": {
              "local": "2020-08-30T12:46:46+04:00",
              "utc": "2020-08-30T08:46:46Z",
              "ms": 1598777205935.2817
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 06:48 on Sat 29 Aug to 06:52 on Sun 30 Aug.",
          "fact": "2020-08-29T02:47:59Z → 2020-08-30T02:51:53Z"
        },
        {
          "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": "Dvādaśī 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 18413 s"
        },
        {
          "step": "ruling",
          "text": "Vāmana Jayantī, Abu Dhabi, 2020: Saturday 29 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vamana-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-08-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vāmana Jayantī 2020 falls on Saturday 29 August. Dvādaśī runs from 06:48 on Sat 29 Aug to 06:52 on Sun 30 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/pradosha-vrata?on=2020-08-30",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38278,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-08-30T06:51:53+04:00",
          "utc": "2020-08-30T02:51:53Z",
          "ms": 1598755913268.6987
        },
        "end": {
          "local": "2020-08-31T07:19:12+04:00",
          "utc": "2020-08-31T03:19:12Z",
          "ms": 1598843951783.1995
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-30T06:51:53+04:00",
          "utc": "2020-08-30T02:51:53Z",
          "ms": 1598755913268.6987
        },
        "end": {
          "local": "2020-08-31T07:19:12+04:00",
          "utc": "2020-08-31T03:19:12Z",
          "ms": 1598843951783.1995
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-08-29",
          "window": {
            "start": {
              "local": "2020-08-29T18:43:16+04:00",
              "utc": "2020-08-29T14:43:16Z",
              "ms": 1598712195750.3984
            },
            "end": {
              "local": "2020-08-29T20:13:56+04:00",
              "utc": "2020-08-29T16:13:56Z",
              "ms": 1598717635662.6086
            }
          },
          "covered_min": 0,
          "window_min": 91,
          "qualifies": false
        },
        {
          "local_date": "2020-08-30",
          "window": {
            "start": {
              "local": "2020-08-30T18:42:17+04:00",
              "utc": "2020-08-30T14:42:17Z",
              "ms": 1598798536778.588
            },
            "end": {
              "local": "2020-08-30T20:13:07+04:00",
              "utc": "2020-08-30T16:13:07Z",
              "ms": 1598803987461.2495
            }
          },
          "covered_min": 91,
          "window_min": 91,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:52 on Sun 30 Aug to 07:19 on Mon 31 Aug.",
          "fact": "2020-08-30T02:51:53Z → 2020-08-31T03:19:12Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:14 on the 29th, 18:42–20:13 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 91 minutes on the 29th and 91 of 91 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 38278 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2020: Sunday 30 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": "2020-08-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2020 falls on Sunday 30 August. Trayodaśī runs from 06:52 on Sun 30 Aug to 07:19 on Mon 31 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-08-30",
      "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/2020/ananta-chaturdashi",
      "festival": "ananta-chaturdashi",
      "name": "Ananta Caturdaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-08-31",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 1556,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2020-08-31T07:19:12+04:00",
          "utc": "2020-08-31T03:19:12Z",
          "ms": 1598843951783.1995
        },
        "end": {
          "local": "2020-09-01T08:09:18+04:00",
          "utc": "2020-09-01T04:09:18Z",
          "ms": 1598933358177.0122
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-08-31T07:19:12+04:00",
          "utc": "2020-08-31T03:19:12Z",
          "ms": 1598843951783.1995
        },
        "end": {
          "local": "2020-09-01T08:09:18+04:00",
          "utc": "2020-09-01T04:09:18Z",
          "ms": 1598933358177.0122
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2020-08-31",
          "window": {
            "start": {
              "local": "2020-08-31T06:03:37+04:00",
              "utc": "2020-08-31T02:03:37Z",
              "ms": 1598839416898.5505
            },
            "end": {
              "local": "2020-08-31T08:35:09+04:00",
              "utc": "2020-08-31T04:35:09Z",
              "ms": 1598848508982.9487
            }
          },
          "covered_min": 76,
          "window_min": 152,
          "qualifies": false
        },
        {
          "local_date": "2020-09-01",
          "window": {
            "start": {
              "local": "2020-09-01T06:03:59+04:00",
              "utc": "2020-09-01T02:03:59Z",
              "ms": 1598925838547.1162
            },
            "end": {
              "local": "2020-09-01T08:35:14+04:00",
              "utc": "2020-09-01T04:35:14Z",
              "ms": 1598934914318.4836
            }
          },
          "covered_min": 125,
          "window_min": 151,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 07:19 on Mon 31 Aug to 08:09 on Tue 1 Sep.",
          "fact": "2020-08-31T03:19:12Z → 2020-09-01T04:09:18Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:04–08:35 on the 31st, 06:04–08:35 on the 1st.",
          "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 76 of 152 minutes on the 31st and 125 of 151 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Neither morning qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 1556 s"
        },
        {
          "step": "ruling",
          "text": "Ananta Caturdaśī, Abu Dhabi, 2020: Monday 31 August.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "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": "2020-08-31",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-08-31",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Ananta Caturdaśī 2020 falls on Monday 31 August. Caturdaśī runs from 07:19 on Mon 31 Aug to 08:09 on Tue 1 Sep, and reaches the first three muhūrtas after sunrise on neither day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/sankashta-chaturthi?on=2020-09-05",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-09-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13086,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-09-05T15:09:13+04:00",
          "utc": "2020-09-05T11:09:13Z",
          "ms": 1599304153296.9678
        },
        "end": {
          "local": "2020-09-06T17:37:13+04:00",
          "utc": "2020-09-06T13:37:13Z",
          "ms": 1599399433045.5913
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-09-05T15:09:13+04:00",
          "utc": "2020-09-05T11:09:13Z",
          "ms": 1599304153296.9678
        },
        "end": {
          "local": "2020-09-06T17:37:13+04:00",
          "utc": "2020-09-06T13:37:13Z",
          "ms": 1599399433045.5913
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2020-09-05",
          "window": {
            "start": {
              "local": "2020-09-05T20:43:29+04:00",
              "utc": "2020-09-05T16:43:29Z",
              "ms": 1599324208710.841
            },
            "end": {
              "local": "2020-09-05T20:43:29+04:00",
              "utc": "2020-09-05T16:43:29Z",
              "ms": 1599324208710.841
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-09-06",
          "window": {
            "start": {
              "local": "2020-09-06T21:15:19+04:00",
              "utc": "2020-09-06T17:15:19Z",
              "ms": 1599412519075.6897
            },
            "end": {
              "local": "2020-09-06T21:15:19+04:00",
              "utc": "2020-09-06T17:15:19Z",
              "ms": 1599412519075.6897
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 15:09 on Sat 5 Sep to 17:37 on Sun 6 Sep.",
          "fact": "2020-09-05T11:09:13Z → 2020-09-06T13:37:13Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:43 on the 5th and 21:15 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 13086 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2020: Saturday 5 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-09-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-09-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2020 falls on Saturday 5 September. Caturthī runs from 15:09 on Sat 5 Sep to 17:37 on Sun 6 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/sankashta-chaturthi?on=2020-09-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/chandra-shashthi",
      "festival": "chandra-shashthi",
      "name": "Candra Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-09-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 490,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2020-09-07T20:09:08+04:00",
          "utc": "2020-09-07T16:09:08Z",
          "ms": 1599494947680.3037
        },
        "end": {
          "local": "2020-09-08T22:33:13+04:00",
          "utc": "2020-09-08T18:33:13Z",
          "ms": 1599589993494.2334
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-09-07T20:09:08+04:00",
          "utc": "2020-09-07T16:09:08Z",
          "ms": 1599494947680.3037
        },
        "end": {
          "local": "2020-09-08T22:33:13+04:00",
          "utc": "2020-09-08T18:33:13Z",
          "ms": 1599589993494.2334
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2020-09-07",
          "window": {
            "start": {
              "local": "2020-09-07T21:48:49+04:00",
              "utc": "2020-09-07T17:48:49Z",
              "ms": 1599500929014.2073
            },
            "end": {
              "local": "2020-09-07T21:48:49+04:00",
              "utc": "2020-09-07T17:48:49Z",
              "ms": 1599500929014.2073
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-09-08",
          "window": {
            "start": {
              "local": "2020-09-08T22:25:03+04:00",
              "utc": "2020-09-08T18:25:03Z",
              "ms": 1599589503359.6572
            },
            "end": {
              "local": "2020-09-08T22:25:03+04:00",
              "utc": "2020-09-08T18:25:03Z",
              "ms": 1599589503359.6572
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "purvaviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 20:09 on Mon 7 Sep to 22:33 on Tue 8 Sep.",
          "fact": "2020-09-07T16:09:08Z → 2020-09-08T18:33:13Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:49 on the 7th and 22:25 on the 8th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be current at moonrise. It is on the 7th and is on the 8th.",
          "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 490 s"
        },
        {
          "step": "ruling",
          "text": "Candra Ṣaṣṭhī, Abu Dhabi, 2020: Monday 7 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "chandra-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)."
          }
        ],
        "kaala": "moonrise",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-09-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-09-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Candra Ṣaṣṭhī 2020 falls on Monday 7 September. Ṣaṣṭhī runs from 20:09 on Mon 7 Sep to 22:33 on Tue 8 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/jitashtami",
      "festival": "jitashtami",
      "name": "Jitāṣṭamī",
      "everyday": "Jitiya",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-09-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16288,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2020-09-10T00:36:14+04:00",
          "utc": "2020-09-09T20:36:14Z",
          "ms": 1599683773702.9185
        },
        "end": {
          "local": "2020-09-11T02:05:18+04:00",
          "utc": "2020-09-10T22:05:18Z",
          "ms": 1599775517746.3289
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-09-10T00:36:14+04:00",
          "utc": "2020-09-09T20:36:14Z",
          "ms": 1599683773702.9185
        },
        "end": {
          "local": "2020-09-11T02:05:18+04:00",
          "utc": "2020-09-10T22:05:18Z",
          "ms": 1599775517746.3289
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-09-09",
          "window": {
            "start": {
              "local": "2020-09-09T18:32:05+04:00",
              "utc": "2020-09-09T14:32:05Z",
              "ms": 1599661924833.9106
            },
            "end": {
              "local": "2020-09-09T20:04:45+04:00",
              "utc": "2020-09-09T16:04:45Z",
              "ms": 1599667485328.2507
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        },
        {
          "local_date": "2020-09-10",
          "window": {
            "start": {
              "local": "2020-09-10T18:31:02+04:00",
              "utc": "2020-09-10T14:31:02Z",
              "ms": 1599748262010.8953
            },
            "end": {
              "local": "2020-09-10T20:03:54+04:00",
              "utc": "2020-09-10T16:03:54Z",
              "ms": 1599753833658.7744
            }
          },
          "covered_min": 93,
          "window_min": 93,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 00:36 on Thu 10 Sep to 02:05 on Fri 11 Sep.",
          "fact": "2020-09-09T20:36:14Z → 2020-09-10T22:05:18Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:32–20:05 on the 9th, 18:31–20:04 on the 10th.",
          "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 93 minutes on the 9th and 93 of 93 on the 10th.",
          "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 16288 s"
        },
        {
          "step": "ruling",
          "text": "Jitāṣṭamī, Abu Dhabi, 2020: Thursday 10 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "jitashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-09-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-09-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Jitāṣṭamī (Jitiya) 2020 falls on Thursday 10 September. Aṣṭamī runs from 00:36 on Thu 10 Sep to 02:05 on Fri 11 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/mahalakshmi-vrata-samapana",
      "festival": "mahalakshmi-vrata-samapana",
      "name": "Mahālakṣmī Vrata Samāpana",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-09-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5466,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2020-09-10T00:36:14+04:00",
          "utc": "2020-09-09T20:36:14Z",
          "ms": 1599683773702.9185
        },
        "end": {
          "local": "2020-09-11T02:05:18+04:00",
          "utc": "2020-09-10T22:05:18Z",
          "ms": 1599775517746.3289
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-09-10T00:36:14+04:00",
          "utc": "2020-09-09T20:36:14Z",
          "ms": 1599683773702.9185
        },
        "end": {
          "local": "2020-09-11T02:05:18+04:00",
          "utc": "2020-09-10T22:05:18Z",
          "ms": 1599775517746.3289
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2020-09-09",
          "window": {
            "start": {
              "local": "2020-09-09T23:05:08+04:00",
              "utc": "2020-09-09T19:05:08Z",
              "ms": 1599678307675.7397
            },
            "end": {
              "local": "2020-09-09T23:05:08+04:00",
              "utc": "2020-09-09T19:05:08Z",
              "ms": 1599678307675.7397
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-09-10",
          "window": {
            "start": {
              "local": "2020-09-10T23:50:01+04:00",
              "utc": "2020-09-10T19:50:01Z",
              "ms": 1599767401266.923
            },
            "end": {
              "local": "2020-09-10T23:50:01+04:00",
              "utc": "2020-09-10T19:50:01Z",
              "ms": 1599767401266.923
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 00:36 on Thu 10 Sep to 02:05 on Fri 11 Sep.",
          "fact": "2020-09-09T20:36:14Z → 2020-09-10T22:05:18Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 23:05 on the 9th and 23:50 on the 10th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is not on the 9th and is on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5466 s"
        },
        {
          "step": "ruling",
          "text": "Mahālakṣmī Vrata Samāpana, Abu Dhabi, 2020: Thursday 10 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahalakshmi-vrata-samapana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-09-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-09-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Mahālakṣmī Vrata Samāpana 2020 falls on Thursday 10 September. Aṣṭamī runs from 00:36 on Thu 10 Sep to 02:05 on Fri 11 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ekadashi?on=2020-09-13",
      "festival": "ekadashi",
      "name": "Indirā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-09-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12222,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-09-13T02:44:29+04:00",
          "utc": "2020-09-12T22:44:29Z",
          "ms": 1599950668667.68
        },
        "end": {
          "local": "2020-09-14T01:46:50+04:00",
          "utc": "2020-09-13T21:46:50Z",
          "ms": 1600033609759.4429
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-09-13T02:44:29+04:00",
          "utc": "2020-09-12T22:44:29Z",
          "ms": 1599950668667.68
        },
        "end": {
          "local": "2020-09-14T01:46:50+04:00",
          "utc": "2020-09-13T21:46:50Z",
          "ms": 1600033609759.4429
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-09-13",
          "window": {
            "start": {
              "local": "2020-09-13T06:08:11+04:00",
              "utc": "2020-09-13T02:08:11Z",
              "ms": 1599962891019.3306
            },
            "end": {
              "local": "2020-09-13T06:08:11+04:00",
              "utc": "2020-09-13T02:08:11Z",
              "ms": 1599962891019.3306
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-09-14",
          "window": {
            "start": {
              "local": "2020-09-14T06:08:32+04:00",
              "utc": "2020-09-14T02:08:32Z",
              "ms": 1600049311864.2766
            },
            "end": {
              "local": "2020-09-14T06:08:32+04:00",
              "utc": "2020-09-14T02:08:32Z",
              "ms": 1600049311864.2766
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:44 on Sun 13 Sep to 01:47 on Mon 14 Sep.",
          "fact": "2020-09-12T22:44:29Z → 2020-09-13T21:46:50Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:08 on the 13th and 06:09 on the 14th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 13th and is not on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 12222 s"
        },
        {
          "step": "ruling",
          "text": "Indirā Ekādaśī, Abu Dhabi, 2020: Sunday 13 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-09-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-09-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Indirā Ekādaśī 2020 falls on Sunday 13 September. Ekādaśī runs from 02:44 on Sun 13 Sep to 01:47 on Mon 14 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-09-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-09-15",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-09-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5456,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-09-15T00:00:02+04:00",
          "utc": "2020-09-14T20:00:02Z",
          "ms": 1600113602049.3884
        },
        "end": {
          "local": "2020-09-15T21:30:29+04:00",
          "utc": "2020-09-15T17:30:29Z",
          "ms": 1600191029403.5557
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-09-15T00:00:02+04:00",
          "utc": "2020-09-14T20:00:02Z",
          "ms": 1600113602049.3884
        },
        "end": {
          "local": "2020-09-15T21:30:29+04:00",
          "utc": "2020-09-15T17:30:29Z",
          "ms": 1600191029403.5557
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-09-14",
          "window": {
            "start": {
              "local": "2020-09-14T18:26:49+04:00",
              "utc": "2020-09-14T14:26:49Z",
              "ms": 1600093609066.242
            },
            "end": {
              "local": "2020-09-14T20:00:26+04:00",
              "utc": "2020-09-14T16:00:26Z",
              "ms": 1600099225555.7395
            }
          },
          "covered_min": 0,
          "window_min": 94,
          "qualifies": false
        },
        {
          "local_date": "2020-09-15",
          "window": {
            "start": {
              "local": "2020-09-15T18:25:46+04:00",
              "utc": "2020-09-15T14:25:46Z",
              "ms": 1600179945540.186
            },
            "end": {
              "local": "2020-09-15T19:59:33+04:00",
              "utc": "2020-09-15T15:59:33Z",
              "ms": 1600185573288.0085
            }
          },
          "covered_min": 94,
          "window_min": 94,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 00:00 on Tue 15 Sep to 21:30 on Tue 15 Sep.",
          "fact": "2020-09-14T20:00:02Z → 2020-09-15T17:30:29Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–20:00 on the 14th, 18:26–20:00 on the 15th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 94 minutes on the 14th and 94 of 94 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 5456 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2020: Tuesday 15 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": "2020-09-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-09-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2020 falls on Tuesday 15 September. Trayodaśī runs from 00:00 on Tue 15 Sep to 21:30 on Tue 15 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-09-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/shivaratri?on=2020-09-15",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-09-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8580,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2020-09-15T21:30:29+04:00",
          "utc": "2020-09-15T17:30:29Z",
          "ms": 1600191029403.5557
        },
        "end": {
          "local": "2020-09-16T18:27:05+04:00",
          "utc": "2020-09-16T14:27:05Z",
          "ms": 1600266425057.0837
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-09-15T21:30:29+04:00",
          "utc": "2020-09-15T17:30:29Z",
          "ms": 1600191029403.5557
        },
        "end": {
          "local": "2020-09-16T18:27:05+04:00",
          "utc": "2020-09-16T14:27:05Z",
          "ms": 1600266425057.0837
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2020-09-15",
          "window": {
            "start": {
              "local": "2020-09-15T23:53:30+04:00",
              "utc": "2020-09-15T19:53:30Z",
              "ms": 1600199609594.5205
            },
            "end": {
              "local": "2020-09-16T00:41:30+04:00",
              "utc": "2020-09-15T20:41:30Z",
              "ms": 1600202489594.5205
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-09-16",
          "window": {
            "start": {
              "local": "2020-09-16T23:53:08+04:00",
              "utc": "2020-09-16T19:53:08Z",
              "ms": 1600285988276.3076
            },
            "end": {
              "local": "2020-09-17T00:41:08+04:00",
              "utc": "2020-09-16T20:41:08Z",
              "ms": 1600288868276.3076
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 21:30 on Tue 15 Sep to 18:27 on Wed 16 Sep.",
          "fact": "2020-09-15T17:30:29Z → 2020-09-16T14:27:05Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:53–00:41 on the 15th, 23:53–00:41 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 8580 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2020: Tuesday 15 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-09-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-09-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2020 falls on Tuesday 15 September. Caturdaśī runs from 21:30 on Tue 15 Sep to 18:27 on Wed 16 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/shivaratri?on=2020-09-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/mahalaya-amavasya",
      "festival": "mahalaya-amavasya",
      "name": "Mahālaya Amāvāsyā",
      "everyday": "Sarvapitṛ Amāvāsyā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-09-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3397,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2020-09-16T18:27:05+04:00",
          "utc": "2020-09-16T14:27:05Z",
          "ms": 1600266425057.0837
        },
        "end": {
          "local": "2020-09-17T15:00:13+04:00",
          "utc": "2020-09-17T11:00:13Z",
          "ms": 1600340412642.038
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-09-16T18:27:05+04:00",
          "utc": "2020-09-16T14:27:05Z",
          "ms": 1600266425057.0837
        },
        "end": {
          "local": "2020-09-17T15:00:13+04:00",
          "utc": "2020-09-17T11:00:13Z",
          "ms": 1600340412642.038
        }
      },
      "kaala": "aparahna",
      "days": [
        {
          "local_date": "2020-09-16",
          "window": {
            "start": {
              "local": "2020-09-16T13:30:31+04:00",
              "utc": "2020-09-16T09:30:31Z",
              "ms": 1600248630626.5754
            },
            "end": {
              "local": "2020-09-16T15:57:36+04:00",
              "utc": "2020-09-16T11:57:36Z",
              "ms": 1600257456285.8157
            }
          },
          "covered_min": 0,
          "window_min": 147,
          "qualifies": false
        },
        {
          "local_date": "2020-09-17",
          "window": {
            "start": {
              "local": "2020-09-17T13:30:01+04:00",
              "utc": "2020-09-17T09:30:01Z",
              "ms": 1600335000824.8303
            },
            "end": {
              "local": "2020-09-17T15:56:50+04:00",
              "utc": "2020-09-17T11:56:50Z",
              "ms": 1600343809563.9207
            }
          },
          "covered_min": 90,
          "window_min": 147,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 18:27 on Wed 16 Sep to 15:00 on Thu 17 Sep.",
          "fact": "2020-09-16T14:27:05Z → 2020-09-17T11:00:13Z"
        },
        {
          "step": "kaala",
          "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:31–15:58 on the 16th, 13:30–15:57 on the 17th.",
          "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 147 minutes on the 16th and 90 of 147 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one afternoon qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 3397 s"
        },
        {
          "step": "ruling",
          "text": "Mahālaya Amāvāsyā, Abu Dhabi, 2020: Thursday 17 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahalaya-amavasya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Mahalaya amavasya (aparahnavyapini)"
          }
        ],
        "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.",
        "kaala": "aparahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-09-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-09-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Mahālaya Amāvāsyā 2020 falls on Thursday 17 September. Amāvasyā runs from 18:27 on Wed 16 Sep to 15:00 on Thu 17 Sep and covers 90 of 147 minutes of aparāhṇa that afternoon.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/vinayaka-chaturthi?on=2020-09-20",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-09-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27729,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-09-20T04:09:24+04:00",
          "utc": "2020-09-20T00:09:24Z",
          "ms": 1600560563581.6123
        },
        "end": {
          "local": "2020-09-21T00:57:24+04:00",
          "utc": "2020-09-20T20:57:24Z",
          "ms": 1600635443684.9463
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": true,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-09-20T04:09:24+04:00",
          "utc": "2020-09-20T00:09:24Z",
          "ms": 1600560563581.6123
        },
        "end": {
          "local": "2020-09-21T00:57:24+04:00",
          "utc": "2020-09-20T20:57:24Z",
          "ms": 1600635443684.9463
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-09-20",
          "window": {
            "start": {
              "local": "2020-09-20T11:51:33+04:00",
              "utc": "2020-09-20T07:51:33Z",
              "ms": 1600588292583.6907
            },
            "end": {
              "local": "2020-09-20T12:39:33+04:00",
              "utc": "2020-09-20T08:39:33Z",
              "ms": 1600591172583.6907
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-09-21",
          "window": {
            "start": {
              "local": "2020-09-21T11:51:11+04:00",
              "utc": "2020-09-21T07:51:11Z",
              "ms": 1600674671396.7578
            },
            "end": {
              "local": "2020-09-21T12:39:11+04:00",
              "utc": "2020-09-21T08:39:11Z",
              "ms": 1600677551396.7578
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 04:09 on Sun 20 Sep to 00:57 on Mon 21 Sep.",
          "fact": "2020-09-20T00:09:24Z → 2020-09-20T20:57:24Z"
        },
        {
          "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 27729 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2020: Sunday 20 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-09-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-09-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2020 falls on Sunday 20 September. Caturthī runs from 04:09 on Sun 20 Sep to 00:57 on Mon 21 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/vinayaka-chaturthi?on=2020-09-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/ekadashi?on=2020-09-27",
      "festival": "ekadashi",
      "name": "Śukla Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-09-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 40652,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-09-26T17:30:19+04:00",
          "utc": "2020-09-26T13:30:19Z",
          "ms": 1601127018672.413
        },
        "end": {
          "local": "2020-09-27T18:16:52+04:00",
          "utc": "2020-09-27T14:16:52Z",
          "ms": 1601216212362.9207
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": true,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-09-26T17:30:19+04:00",
          "utc": "2020-09-26T13:30:19Z",
          "ms": 1601127018672.413
        },
        "end": {
          "local": "2020-09-27T18:16:52+04:00",
          "utc": "2020-09-27T14:16:52Z",
          "ms": 1601216212362.9207
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-09-26",
          "window": {
            "start": {
              "local": "2020-09-26T06:12:47+04:00",
              "utc": "2020-09-26T02:12:47Z",
              "ms": 1601086366915.3428
            },
            "end": {
              "local": "2020-09-26T06:12:47+04:00",
              "utc": "2020-09-26T02:12:47Z",
              "ms": 1601086366915.3428
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-09-27",
          "window": {
            "start": {
              "local": "2020-09-27T06:13:09+04:00",
              "utc": "2020-09-27T02:13:09Z",
              "ms": 1601172788910.2944
            },
            "end": {
              "local": "2020-09-27T06:13:09+04:00",
              "utc": "2020-09-27T02:13:09Z",
              "ms": 1601172788910.2944
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 17:30 on Sat 26 Sep to 18:17 on Sun 27 Sep.",
          "fact": "2020-09-26T13:30:19Z → 2020-09-27T14:16:52Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:13 on the 26th and 06:13 on the 27th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 26th and is on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 40652 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Ekādaśī, Abu Dhabi, 2020: Sunday 27 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": "2020-09-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-09-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Ekādaśī 2020 falls on Sunday 27 September. Ekādaśī runs from 17:30 on Sat 26 Sep to 18:17 on Sun 27 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-09-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-09-29",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-09-29",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1141,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-09-28T19:29:15+04:00",
          "utc": "2020-09-28T15:29:15Z",
          "ms": 1601306955480.1658
        },
        "end": {
          "local": "2020-09-29T21:03:32+04:00",
          "utc": "2020-09-29T17:03:32Z",
          "ms": 1601399011606.1272
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": true,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-09-28T19:29:15+04:00",
          "utc": "2020-09-28T15:29:15Z",
          "ms": 1601306955480.1658
        },
        "end": {
          "local": "2020-09-29T21:03:32+04:00",
          "utc": "2020-09-29T17:03:32Z",
          "ms": 1601399011606.1272
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-09-28",
          "window": {
            "start": {
              "local": "2020-09-28T18:12:02+04:00",
              "utc": "2020-09-28T14:12:02Z",
              "ms": 1601302321829.9724
            },
            "end": {
              "local": "2020-09-28T19:48:17+04:00",
              "utc": "2020-09-28T15:48:17Z",
              "ms": 1601308096713.9082
            }
          },
          "covered_min": 19,
          "window_min": 96,
          "qualifies": true
        },
        {
          "local_date": "2020-09-29",
          "window": {
            "start": {
              "local": "2020-09-29T18:11:00+04:00",
              "utc": "2020-09-29T14:11:00Z",
              "ms": 1601388659522.7375
            },
            "end": {
              "local": "2020-09-29T19:47:26+04:00",
              "utc": "2020-09-29T15:47:26Z",
              "ms": 1601394445726.188
            }
          },
          "covered_min": 96,
          "window_min": 96,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:29 on Mon 28 Sep to 21:04 on Tue 29 Sep.",
          "fact": "2020-09-28T15:29:15Z → 2020-09-29T17:03:32Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:12–19:48 on the 28th, 18:11–19:47 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 19 of 96 minutes on the 28th and 96 of 96 on the 29th.",
          "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 1141 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2020: Tuesday 29 September.",
          "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": "2020-09-29",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-09-29",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2020 falls on Tuesday 29 September. Trayodaśī runs from 19:29 on Mon 28 Sep to 21:04 on Tue 29 Sep and covers all of pradoṣa that evening. It also reaches the previous evening for 19 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/2020/pradosha-vrata?on=2020-09-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/sankashta-chaturthi?on=2020-10-05",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-10-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35986,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-10-05T08:32:32+04:00",
          "utc": "2020-10-05T04:32:32Z",
          "ms": 1601872351975.3845
        },
        "end": {
          "local": "2020-10-06T11:02:27+04:00",
          "utc": "2020-10-06T07:02:27Z",
          "ms": 1601967746736.2332
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": true,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-10-05T08:32:32+04:00",
          "utc": "2020-10-05T04:32:32Z",
          "ms": 1601872351975.3845
        },
        "end": {
          "local": "2020-10-06T11:02:27+04:00",
          "utc": "2020-10-06T07:02:27Z",
          "ms": 1601967746736.2332
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2020-10-05",
          "window": {
            "start": {
              "local": "2020-10-05T20:23:56+04:00",
              "utc": "2020-10-05T16:23:56Z",
              "ms": 1601915035879.7983
            },
            "end": {
              "local": "2020-10-05T20:23:56+04:00",
              "utc": "2020-10-05T16:23:56Z",
              "ms": 1601915035879.7983
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-10-06",
          "window": {
            "start": {
              "local": "2020-10-06T21:02:13+04:00",
              "utc": "2020-10-06T17:02:13Z",
              "ms": 1602003733076.76
            },
            "end": {
              "local": "2020-10-06T21:02:13+04:00",
              "utc": "2020-10-06T17:02:13Z",
              "ms": 1602003733076.76
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 08:33 on Mon 5 Oct to 11:02 on Tue 6 Oct.",
          "fact": "2020-10-05T04:32:32Z → 2020-10-06T07:02:27Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:24 on the 5th and 21:02 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 35986 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2020: Monday 5 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": "2020-10-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-10-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2020 falls on Monday 5 October. Caturthī runs from 08:33 on Mon 5 Oct to 11:02 on Tue 6 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/sankashta-chaturthi?on=2020-10-05",
      "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/2020/ekadashi?on=2020-10-13",
      "festival": "ekadashi",
      "name": "Kṛṣṇa Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-10-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24400,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-10-12T15:09:14+04:00",
          "utc": "2020-10-12T11:09:14Z",
          "ms": 1602500953952.1846
        },
        "end": {
          "local": "2020-10-13T13:06:17+04:00",
          "utc": "2020-10-13T09:06:17Z",
          "ms": 1602579976737.6216
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": true,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-10-12T15:09:14+04:00",
          "utc": "2020-10-12T11:09:14Z",
          "ms": 1602500953952.1846
        },
        "end": {
          "local": "2020-10-13T13:06:17+04:00",
          "utc": "2020-10-13T09:06:17Z",
          "ms": 1602579976737.6216
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-10-12",
          "window": {
            "start": {
              "local": "2020-10-12T06:19:10+04:00",
              "utc": "2020-10-12T02:19:10Z",
              "ms": 1602469150096.8723
            },
            "end": {
              "local": "2020-10-12T06:19:10+04:00",
              "utc": "2020-10-12T02:19:10Z",
              "ms": 1602469150096.8723
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-10-13",
          "window": {
            "start": {
              "local": "2020-10-13T06:19:37+04:00",
              "utc": "2020-10-13T02:19:37Z",
              "ms": 1602555576965.6177
            },
            "end": {
              "local": "2020-10-13T06:19:37+04:00",
              "utc": "2020-10-13T02:19:37Z",
              "ms": 1602555576965.6177
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 15:09 on Mon 12 Oct to 13:06 on Tue 13 Oct.",
          "fact": "2020-10-12T11:09:14Z → 2020-10-13T09:06:17Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:19 on the 12th and 06:20 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 24400 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Ekādaśī, Abu Dhabi, 2020: Tuesday 13 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-10-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-10-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Ekādaśī 2020 falls on Tuesday 13 October. Ekādaśī runs from 15:09 on Mon 12 Oct to 13:06 on Tue 13 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-10-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-10-14",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-10-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27289,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-10-14T10:21:26+04:00",
          "utc": "2020-10-14T06:21:26Z",
          "ms": 1602656486444.5461
        },
        "end": {
          "local": "2020-10-15T07:03:34+04:00",
          "utc": "2020-10-15T03:03:34Z",
          "ms": 1602731014072.7095
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": true,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-10-14T10:21:26+04:00",
          "utc": "2020-10-14T06:21:26Z",
          "ms": 1602656486444.5461
        },
        "end": {
          "local": "2020-10-15T07:03:34+04:00",
          "utc": "2020-10-15T03:03:34Z",
          "ms": 1602731014072.7095
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-10-14",
          "window": {
            "start": {
              "local": "2020-10-14T17:56:16+04:00",
              "utc": "2020-10-14T13:56:16Z",
              "ms": 1602683775869.19
            },
            "end": {
              "local": "2020-10-14T19:35:30+04:00",
              "utc": "2020-10-14T15:35:30Z",
              "ms": 1602689730014.601
            }
          },
          "covered_min": 99,
          "window_min": 99,
          "qualifies": true
        },
        {
          "local_date": "2020-10-15",
          "window": {
            "start": {
              "local": "2020-10-15T17:55:22+04:00",
              "utc": "2020-10-15T13:55:22Z",
              "ms": 1602770121619.0012
            },
            "end": {
              "local": "2020-10-15T19:34:47+04:00",
              "utc": "2020-10-15T15:34:47Z",
              "ms": 1602776086749.2605
            }
          },
          "covered_min": 0,
          "window_min": 99,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 10:21 on Wed 14 Oct to 07:04 on Thu 15 Oct.",
          "fact": "2020-10-14T06:21:26Z → 2020-10-15T03:03:34Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:56–19:36 on the 14th, 17:55–19:35 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 99 of 99 minutes on the 14th and 0 of 99 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 27289 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2020: Wednesday 14 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-10-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-10-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2020 falls on Wednesday 14 October. Trayodaśī runs from 10:21 on Wed 14 Oct to 07:04 on Thu 15 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-10-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/shivaratri?on=2020-10-15",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-10-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10252,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2020-10-15T07:03:34+04:00",
          "utc": "2020-10-15T03:03:34Z",
          "ms": 1602731014072.7095
        },
        "end": {
          "local": "2020-10-16T03:23:03+04:00",
          "utc": "2020-10-15T23:23:03Z",
          "ms": 1602804182661.7993
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": true,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-10-15T07:03:34+04:00",
          "utc": "2020-10-15T03:03:34Z",
          "ms": 1602731014072.7095
        },
        "end": {
          "local": "2020-10-16T03:23:03+04:00",
          "utc": "2020-10-15T23:23:03Z",
          "ms": 1602804182661.7993
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2020-10-14",
          "window": {
            "start": {
              "local": "2020-10-14T23:44:24+04:00",
              "utc": "2020-10-14T19:44:24Z",
              "ms": 1602704663914.482
            },
            "end": {
              "local": "2020-10-15T00:32:24+04:00",
              "utc": "2020-10-14T20:32:24Z",
              "ms": 1602707543914.482
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-10-15",
          "window": {
            "start": {
              "local": "2020-10-15T23:44:11+04:00",
              "utc": "2020-10-15T19:44:11Z",
              "ms": 1602791050857.4739
            },
            "end": {
              "local": "2020-10-16T00:32:11+04:00",
              "utc": "2020-10-15T20:32:11Z",
              "ms": 1602793930857.4739
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 07:04 on Thu 15 Oct to 03:23 on Fri 16 Oct.",
          "fact": "2020-10-15T03:03:34Z → 2020-10-15T23:23:03Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 14th, 23:44–00:32 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 10252 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2020: Thursday 15 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-10-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-10-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2020 falls on Thursday 15 October. Caturdaśī runs from 07:04 on Thu 15 Oct to 03:23 on Fri 16 Oct and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/shivaratri?on=2020-10-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/navaratra-arambha",
      "festival": "navaratra-arambha",
      "name": "Navarātrārambha",
      "everyday": "Navratri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-10-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25646,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2020-10-16T23:31:03+04:00",
          "utc": "2020-10-16T19:31:03Z",
          "ms": 1602876662970.2515
        },
        "end": {
          "local": "2020-10-17T19:38:58+04:00",
          "utc": "2020-10-17T15:38:58Z",
          "ms": 1602949138330.0237
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-10-16T23:31:03+04:00",
          "utc": "2020-10-16T19:31:03Z",
          "ms": 1602876662970.2515
        },
        "end": {
          "local": "2020-10-17T19:38:58+04:00",
          "utc": "2020-10-17T15:38:58Z",
          "ms": 1602949138330.0237
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-10-16",
          "window": {
            "start": {
              "local": "2020-10-16T11:43:44+04:00",
              "utc": "2020-10-16T07:43:44Z",
              "ms": 1602834224096.5876
            },
            "end": {
              "local": "2020-10-16T12:31:44+04:00",
              "utc": "2020-10-16T08:31:44Z",
              "ms": 1602837104096.5876
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-10-17",
          "window": {
            "start": {
              "local": "2020-10-17T11:43:32+04:00",
              "utc": "2020-10-17T07:43:32Z",
              "ms": 1602920611994.4326
            },
            "end": {
              "local": "2020-10-17T12:31:32+04:00",
              "utc": "2020-10-17T08:31:32Z",
              "ms": 1602923491994.4326
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 23:31 on Fri 16 Oct to 19:39 on Sat 17 Oct.",
          "fact": "2020-10-16T19:31:03Z → 2020-10-17T15:38:58Z"
        },
        {
          "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": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 25646 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha, Abu Dhabi, 2020: Saturday 17 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": "2020-10-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-10-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Navarātrārambha (Navratri) 2020 falls on Saturday 17 October. Pratipadā runs from 23:31 on Fri 16 Oct to 19:39 on Sat 17 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/vinayaka-chaturthi?on=2020-10-20",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-10-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 428,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-10-19T12:38:17+04:00",
          "utc": "2020-10-19T08:38:17Z",
          "ms": 1603096697387.721
        },
        "end": {
          "local": "2020-10-20T09:49:14+04:00",
          "utc": "2020-10-20T05:49:14Z",
          "ms": 1603172953564.7275
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-10-19T12:38:17+04:00",
          "utc": "2020-10-19T08:38:17Z",
          "ms": 1603096697387.721
        },
        "end": {
          "local": "2020-10-20T09:49:14+04:00",
          "utc": "2020-10-20T05:49:14Z",
          "ms": 1603172953564.7275
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-10-19",
          "window": {
            "start": {
              "local": "2020-10-19T11:43:10+04:00",
              "utc": "2020-10-19T07:43:10Z",
              "ms": 1603093389609.612
            },
            "end": {
              "local": "2020-10-19T12:31:10+04:00",
              "utc": "2020-10-19T08:31:10Z",
              "ms": 1603096269609.612
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-10-20",
          "window": {
            "start": {
              "local": "2020-10-20T11:42:59+04:00",
              "utc": "2020-10-20T07:42:59Z",
              "ms": 1603179779350.7573
            },
            "end": {
              "local": "2020-10-20T12:30:59+04:00",
              "utc": "2020-10-20T08:30:59Z",
              "ms": 1603182659350.7573
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:38 on Mon 19 Oct to 09:49 on Tue 20 Oct.",
          "fact": "2020-10-19T08:38:17Z → 2020-10-20T05:49:14Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 19th, 11:43–12:31 on the 20th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 0 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: unstated → second-day · margin 428 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2020: Tuesday 20 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-10-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-10-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2020 falls on Tuesday 20 October. Caturthī runs from 12:38 on Mon 19 Oct to 09:49 on Tue 20 Oct, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/vinayaka-chaturthi?on=2020-10-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/durga-saptami",
      "festival": "durga-saptami",
      "name": "Durgā Saptamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-10-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 832,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2020-10-22T06:10:06+04:00",
          "utc": "2020-10-22T02:10:06Z",
          "ms": 1603332605581.8555
        },
        "end": {
          "local": "2020-10-23T05:27:24+04:00",
          "utc": "2020-10-23T01:27:24Z",
          "ms": 1603416443573.569
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-10-22T06:10:06+04:00",
          "utc": "2020-10-22T02:10:06Z",
          "ms": 1603332605581.8555
        },
        "end": {
          "local": "2020-10-23T05:27:24+04:00",
          "utc": "2020-10-23T01:27:24Z",
          "ms": 1603416443573.569
        }
      },
      "kaala": "udaya-1",
      "days": [
        {
          "local_date": "2020-10-22",
          "window": {
            "start": {
              "local": "2020-10-22T06:23:58+04:00",
              "utc": "2020-10-22T02:23:58Z",
              "ms": 1603333438006.492
            },
            "end": {
              "local": "2020-10-22T07:09:40+04:00",
              "utc": "2020-10-22T03:09:40Z",
              "ms": 1603336179707.463
            }
          },
          "covered_min": 46,
          "window_min": 46,
          "qualifies": true
        },
        {
          "local_date": "2020-10-23",
          "window": {
            "start": {
              "local": "2020-10-23T06:24:29+04:00",
              "utc": "2020-10-23T02:24:29Z",
              "ms": 1603419869187.647
            },
            "end": {
              "local": "2020-10-23T07:10:06+04:00",
              "utc": "2020-10-23T03:10:06Z",
              "ms": 1603422605624.3928
            }
          },
          "covered_min": 0,
          "window_min": 46,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 06:10 on Thu 22 Oct to 05:27 on Fri 23 Oct.",
          "fact": "2020-10-22T02:10:06Z → 2020-10-23T01:27:24Z"
        },
        {
          "step": "kaala",
          "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:24–07:10 on the 22nd, 06:24–07:10 on the 23rd.",
          "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 46 of 46 minutes on the 22nd and 0 of 46 on the 23rd.",
          "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 832 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Saptamī, Abu Dhabi, 2020: Thursday 22 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": "2020-10-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-10-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Durgā Saptamī 2020 falls on Thursday 22 October. Saptamī runs from 06:10 on Thu 22 Oct to 05:27 on Fri 23 Oct and covers all of the first muhūrta after sunrise that morning.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/mahashtami",
      "festival": "mahashtami",
      "name": "Mahāṣṭamī",
      "everyday": "Durga Ashtami",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-10-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22386,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2020-10-23T05:27:24+04:00",
          "utc": "2020-10-23T01:27:24Z",
          "ms": 1603416443573.569
        },
        "end": {
          "local": "2020-10-24T05:29:19+04:00",
          "utc": "2020-10-24T01:29:19Z",
          "ms": 1603502958562.5159
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-10-23T05:27:24+04:00",
          "utc": "2020-10-23T01:27:24Z",
          "ms": 1603416443573.569
        },
        "end": {
          "local": "2020-10-24T05:29:19+04:00",
          "utc": "2020-10-24T01:29:19Z",
          "ms": 1603502958562.5159
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-10-23",
          "window": {
            "start": {
              "local": "2020-10-23T11:42:32+04:00",
              "utc": "2020-10-23T07:42:32Z",
              "ms": 1603438952463.2415
            },
            "end": {
              "local": "2020-10-23T12:30:32+04:00",
              "utc": "2020-10-23T08:30:32Z",
              "ms": 1603441832463.2415
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-10-24",
          "window": {
            "start": {
              "local": "2020-10-24T11:42:25+04:00",
              "utc": "2020-10-24T07:42:25Z",
              "ms": 1603525344844.0396
            },
            "end": {
              "local": "2020-10-24T12:30:25+04:00",
              "utc": "2020-10-24T08:30:25Z",
              "ms": 1603528224844.0396
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 05:27 on Fri 23 Oct to 05:29 on Sat 24 Oct.",
          "fact": "2020-10-23T01:27:24Z → 2020-10-24T01:29:19Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 23rd, 11:42–12:30 on the 24th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 22386 s"
        },
        {
          "step": "ruling",
          "text": "Mahāṣṭamī, Abu Dhabi, 2020: Friday 23 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": "2020-10-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-10-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Mahāṣṭamī (Durga Ashtami) 2020 falls on Friday 23 October. Aṣṭamī runs from 05:27 on Fri 23 Oct to 05:29 on Sat 24 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/mahanavami",
      "festival": "mahanavami",
      "name": "Mahānavamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-10-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19801,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2020-10-24T05:29:19+04:00",
          "utc": "2020-10-24T01:29:19Z",
          "ms": 1603502958562.5159
        },
        "end": {
          "local": "2020-10-25T06:12:17+04:00",
          "utc": "2020-10-25T02:12:17Z",
          "ms": 1603591936803.9326
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-10-24T05:29:19+04:00",
          "utc": "2020-10-24T01:29:19Z",
          "ms": 1603502958562.5159
        },
        "end": {
          "local": "2020-10-25T06:12:17+04:00",
          "utc": "2020-10-25T02:12:17Z",
          "ms": 1603591936803.9326
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-10-24",
          "window": {
            "start": {
              "local": "2020-10-24T11:42:25+04:00",
              "utc": "2020-10-24T07:42:25Z",
              "ms": 1603525344844.0396
            },
            "end": {
              "local": "2020-10-24T12:30:25+04:00",
              "utc": "2020-10-24T08:30:25Z",
              "ms": 1603528224844.0396
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-10-25",
          "window": {
            "start": {
              "local": "2020-10-25T11:42:18+04:00",
              "utc": "2020-10-25T07:42:18Z",
              "ms": 1603611737921.0994
            },
            "end": {
              "local": "2020-10-25T12:30:18+04:00",
              "utc": "2020-10-25T08:30:18Z",
              "ms": 1603614617921.0994
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 05:29 on Sat 24 Oct to 06:12 on Sun 25 Oct.",
          "fact": "2020-10-24T01:29:19Z → 2020-10-25T02:12:17Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 24th, 11:42–12:30 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 19801 s"
        },
        {
          "step": "ruling",
          "text": "Mahānavamī, Abu Dhabi, 2020: Saturday 24 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": "2020-10-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-10-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Mahānavamī 2020 falls on Saturday 24 October. Navamī runs from 05:29 on Sat 24 Oct to 06:12 on Sun 25 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/vijaya-dashami",
      "festival": "vijaya-dashami",
      "name": "Vijayā Daśamī",
      "everyday": "Dussehra",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-10-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15100,
      "anga": {
        "type": "tithi",
        "index": 9,
        "key": "dashami",
        "name": "Daśamī",
        "start": {
          "local": "2020-10-25T06:12:17+04:00",
          "utc": "2020-10-25T02:12:17Z",
          "ms": 1603591936803.9326
        },
        "end": {
          "local": "2020-10-26T07:30:32+04:00",
          "utc": "2020-10-26T03:30:32Z",
          "ms": 1603683031701.7847
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-10-25T06:12:17+04:00",
          "utc": "2020-10-25T02:12:17Z",
          "ms": 1603591936803.9326
        },
        "end": {
          "local": "2020-10-26T07:30:32+04:00",
          "utc": "2020-10-26T03:30:32Z",
          "ms": 1603683031701.7847
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-10-25",
          "window": {
            "start": {
              "local": "2020-10-25T11:42:18+04:00",
              "utc": "2020-10-25T07:42:18Z",
              "ms": 1603611737921.0994
            },
            "end": {
              "local": "2020-10-25T12:30:18+04:00",
              "utc": "2020-10-25T08:30:18Z",
              "ms": 1603614617921.0994
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-10-26",
          "window": {
            "start": {
              "local": "2020-10-26T11:42:12+04:00",
              "utc": "2020-10-26T07:42:12Z",
              "ms": 1603698131709.4392
            },
            "end": {
              "local": "2020-10-26T12:30:12+04:00",
              "utc": "2020-10-26T08:30:12Z",
              "ms": 1603701011709.4392
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Daśamī runs from 06:12 on Sun 25 Oct to 07:31 on Mon 26 Oct.",
          "fact": "2020-10-25T02:12:17Z → 2020-10-26T03:30:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 25th, 11:42–12:30 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Daśamī touches Śravaṇa in the day time on neither day, so the rest of the rule applies. Daśamī 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 15100 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Daśamī, Abu Dhabi, 2020: Sunday 25 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vijaya-dashami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara."
          }
        ],
        "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.",
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day",
        "conjunction": {
          "nakshatra": "Śravaṇa",
          "kaala": "daytime"
        }
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-10-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-10-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vijayā Daśamī (Dussehra) 2020 falls on Sunday 25 October. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 06:12 on Sun 25 Oct to 07:31 on Mon 26 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ekadashi?on=2020-10-27",
      "festival": "ekadashi",
      "name": "Pāśāṅkuśā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-10-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3866,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-10-26T07:30:32+04:00",
          "utc": "2020-10-26T03:30:32Z",
          "ms": 1603683031701.7847
        },
        "end": {
          "local": "2020-10-27T09:17:01+04:00",
          "utc": "2020-10-27T05:17:01Z",
          "ms": 1603775821062.0793
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-10-26T07:30:32+04:00",
          "utc": "2020-10-26T03:30:32Z",
          "ms": 1603683031701.7847
        },
        "end": {
          "local": "2020-10-27T09:17:01+04:00",
          "utc": "2020-10-27T05:17:01Z",
          "ms": 1603775821062.0793
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-10-26",
          "window": {
            "start": {
              "local": "2020-10-26T06:26:05+04:00",
              "utc": "2020-10-26T02:26:05Z",
              "ms": 1603679165403.8184
            },
            "end": {
              "local": "2020-10-26T06:26:05+04:00",
              "utc": "2020-10-26T02:26:05Z",
              "ms": 1603679165403.8184
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-10-27",
          "window": {
            "start": {
              "local": "2020-10-27T06:26:38+04:00",
              "utc": "2020-10-27T02:26:38Z",
              "ms": 1603765598377.8367
            },
            "end": {
              "local": "2020-10-27T06:26:38+04:00",
              "utc": "2020-10-27T02:26:38Z",
              "ms": 1603765598377.8367
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 07:31 on Mon 26 Oct to 09:17 on Tue 27 Oct.",
          "fact": "2020-10-26T03:30:32Z → 2020-10-27T05:17:01Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:26 on the 26th and 06:27 on the 27th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 26th and is on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 3866 s"
        },
        {
          "step": "ruling",
          "text": "Pāśāṅkuśā Ekādaśī, Abu Dhabi, 2020: Tuesday 27 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-10-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-10-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Pāśāṅkuśā Ekādaśī 2020 falls on Tuesday 27 October. Ekādaśī runs from 07:31 on Mon 26 Oct to 09:17 on Tue 27 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-10-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-10-28",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-10-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14282,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-10-28T11:24:28+04:00",
          "utc": "2020-10-28T07:24:28Z",
          "ms": 1603869868016.0293
        },
        "end": {
          "local": "2020-10-29T13:46:07+04:00",
          "utc": "2020-10-29T09:46:07Z",
          "ms": 1603964767336.966
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-10-28T11:24:28+04:00",
          "utc": "2020-10-28T07:24:28Z",
          "ms": 1603869868016.0293
        },
        "end": {
          "local": "2020-10-29T13:46:07+04:00",
          "utc": "2020-10-29T09:46:07Z",
          "ms": 1603964767336.966
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-10-28",
          "window": {
            "start": {
              "local": "2020-10-28T17:44:51+04:00",
              "utc": "2020-10-28T13:44:51Z",
              "ms": 1603892691151.1426
            },
            "end": {
              "local": "2020-10-28T19:26:34+04:00",
              "utc": "2020-10-28T15:26:34Z",
              "ms": 1603898794423.843
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        },
        {
          "local_date": "2020-10-29",
          "window": {
            "start": {
              "local": "2020-10-29T17:44:09+04:00",
              "utc": "2020-10-29T13:44:09Z",
              "ms": 1603979049284.4307
            },
            "end": {
              "local": "2020-10-29T19:26:03+04:00",
              "utc": "2020-10-29T15:26:03Z",
              "ms": 1603985162719.1948
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 11:24 on Wed 28 Oct to 13:46 on Thu 29 Oct.",
          "fact": "2020-10-28T07:24:28Z → 2020-10-29T09:46:07Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:45–19:27 on the 28th, 17:44–19:26 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 102 of 102 minutes on the 28th and 0 of 102 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 14282 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2020: Wednesday 28 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-10-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-10-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2020 falls on Wednesday 28 October. Trayodaśī runs from 11:24 on Wed 28 Oct to 13:46 on Thu 29 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-10-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/karaka-chaturthi",
      "festival": "karaka-chaturthi",
      "name": "Karaka Caturthī",
      "everyday": "Karwa Chauth",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22330,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-11-04T01:54:54+04:00",
          "utc": "2020-11-03T21:54:54Z",
          "ms": 1604440493886.6274
        },
        "end": {
          "local": "2020-11-05T03:44:58+04:00",
          "utc": "2020-11-04T23:44:58Z",
          "ms": 1604533498494.4248
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-04T01:54:54+04:00",
          "utc": "2020-11-03T21:54:54Z",
          "ms": 1604440493886.6274
        },
        "end": {
          "local": "2020-11-05T03:44:58+04:00",
          "utc": "2020-11-04T23:44:58Z",
          "ms": 1604533498494.4248
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2020-11-03",
          "window": {
            "start": {
              "local": "2020-11-03T19:42:44+04:00",
              "utc": "2020-11-03T15:42:44Z",
              "ms": 1604418164100.8638
            },
            "end": {
              "local": "2020-11-03T19:42:44+04:00",
              "utc": "2020-11-03T15:42:44Z",
              "ms": 1604418164100.8638
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-11-04",
          "window": {
            "start": {
              "local": "2020-11-04T20:28:18+04:00",
              "utc": "2020-11-04T16:28:18Z",
              "ms": 1604507297781.011
            },
            "end": {
              "local": "2020-11-04T20:28:18+04:00",
              "utc": "2020-11-04T16:28:18Z",
              "ms": 1604507297781.011
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 01:55 on Wed 4 Nov to 03:45 on Thu 5 Nov.",
          "fact": "2020-11-03T21:54:54Z → 2020-11-04T23:44:58Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:43 on the 3rd and 20:28 on the 4th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 3rd and is on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 22330 s"
        },
        {
          "step": "ruling",
          "text": "Karaka Caturthī, Abu Dhabi, 2020: Wednesday 4 November.",
          "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": "2020-11-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Karaka Caturthī (Karwa Chauth) 2020 falls on Wednesday 4 November. Caturthī runs from 01:55 on Wed 4 Nov to 03:45 on Thu 5 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/sankashta-chaturthi?on=2020-11-04",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22330,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-11-04T01:54:54+04:00",
          "utc": "2020-11-03T21:54:54Z",
          "ms": 1604440493886.6274
        },
        "end": {
          "local": "2020-11-05T03:44:58+04:00",
          "utc": "2020-11-04T23:44:58Z",
          "ms": 1604533498494.4248
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-04T01:54:54+04:00",
          "utc": "2020-11-03T21:54:54Z",
          "ms": 1604440493886.6274
        },
        "end": {
          "local": "2020-11-05T03:44:58+04:00",
          "utc": "2020-11-04T23:44:58Z",
          "ms": 1604533498494.4248
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2020-11-03",
          "window": {
            "start": {
              "local": "2020-11-03T19:42:44+04:00",
              "utc": "2020-11-03T15:42:44Z",
              "ms": 1604418164100.8638
            },
            "end": {
              "local": "2020-11-03T19:42:44+04:00",
              "utc": "2020-11-03T15:42:44Z",
              "ms": 1604418164100.8638
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-11-04",
          "window": {
            "start": {
              "local": "2020-11-04T20:28:18+04:00",
              "utc": "2020-11-04T16:28:18Z",
              "ms": 1604507297781.011
            },
            "end": {
              "local": "2020-11-04T20:28:18+04:00",
              "utc": "2020-11-04T16:28:18Z",
              "ms": 1604507297781.011
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 01:55 on Wed 4 Nov to 03:45 on Thu 5 Nov.",
          "fact": "2020-11-03T21:54:54Z → 2020-11-04T23:44:58Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:43 on the 3rd and 20:28 on the 4th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 3rd and is on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 22330 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2020: Wednesday 4 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": "2020-11-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2020 falls on Wednesday 4 November. Caturthī runs from 01:55 on Wed 4 Nov to 03:45 on Thu 5 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/sankashta-chaturthi?on=2020-11-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/ahoyi-ashtami",
      "festival": "ahoyi-ashtami",
      "name": "Ahoyī Aṣṭamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18618,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2020-11-08T05:59:41+04:00",
          "utc": "2020-11-08T01:59:41Z",
          "ms": 1604800780766.5823
        },
        "end": {
          "local": "2020-11-09T05:21:16+04:00",
          "utc": "2020-11-09T01:21:16Z",
          "ms": 1604884875661.2864
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-08T05:59:41+04:00",
          "utc": "2020-11-08T01:59:41Z",
          "ms": 1604800780766.5823
        },
        "end": {
          "local": "2020-11-09T05:21:16+04:00",
          "utc": "2020-11-09T01:21:16Z",
          "ms": 1604884875661.2864
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2020-11-07",
          "window": {
            "start": {
              "local": "2020-11-07T23:10:56+04:00",
              "utc": "2020-11-07T19:10:56Z",
              "ms": 1604776255897.603
            },
            "end": {
              "local": "2020-11-07T23:10:56+04:00",
              "utc": "2020-11-07T19:10:56Z",
              "ms": 1604776255897.603
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-11-08",
          "window": {
            "start": {
              "local": "2020-11-09T00:10:57+04:00",
              "utc": "2020-11-08T20:10:57Z",
              "ms": 1604866257271.1448
            },
            "end": {
              "local": "2020-11-09T00:10:57+04:00",
              "utc": "2020-11-08T20:10:57Z",
              "ms": 1604866257271.1448
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 06:00 on Sun 8 Nov to 05:21 on Mon 9 Nov.",
          "fact": "2020-11-08T01:59:41Z → 2020-11-09T01:21:16Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 23:11 on the 7th and 00:11 on the 8th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is not on the 7th and is on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 18618 s"
        },
        {
          "step": "ruling",
          "text": "Ahoyī Aṣṭamī, Abu Dhabi, 2020: Sunday 8 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": "2020-11-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Ahoyī Aṣṭamī 2020 falls on Sunday 8 November. Aṣṭamī runs from 06:00 on Sun 8 Nov to 05:21 on Mon 9 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ekadashi?on=2020-11-11",
      "festival": "ekadashi",
      "name": "Ramā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16961,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-11-11T01:53:06+04:00",
          "utc": "2020-11-10T21:53:06Z",
          "ms": 1605045186349.4177
        },
        "end": {
          "local": "2020-11-11T23:11:23+04:00",
          "utc": "2020-11-11T19:11:23Z",
          "ms": 1605121882684.5667
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-11T01:53:06+04:00",
          "utc": "2020-11-10T21:53:06Z",
          "ms": 1605045186349.4177
        },
        "end": {
          "local": "2020-11-11T23:11:23+04:00",
          "utc": "2020-11-11T19:11:23Z",
          "ms": 1605121882684.5667
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-11-11",
          "window": {
            "start": {
              "local": "2020-11-11T06:35:47+04:00",
              "utc": "2020-11-11T02:35:47Z",
              "ms": 1605062147447.3647
            },
            "end": {
              "local": "2020-11-11T06:35:47+04:00",
              "utc": "2020-11-11T02:35:47Z",
              "ms": 1605062147447.3647
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-11-12",
          "window": {
            "start": {
              "local": "2020-11-12T06:36:27+04:00",
              "utc": "2020-11-12T02:36:27Z",
              "ms": 1605148587451.8835
            },
            "end": {
              "local": "2020-11-12T06:36:27+04:00",
              "utc": "2020-11-12T02:36:27Z",
              "ms": 1605148587451.8835
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 01:53 on Wed 11 Nov to 23:11 on Wed 11 Nov.",
          "fact": "2020-11-10T21:53:06Z → 2020-11-11T19:11:23Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:36 on the 11th and 06:36 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 16961 s"
        },
        {
          "step": "ruling",
          "text": "Ramā Ekādaśī, Abu Dhabi, 2020: Wednesday 11 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-11-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Ramā Ekādaśī 2020 falls on Wednesday 11 November. Ekādaśī runs from 01:53 on Wed 11 Nov to 23:11 on Wed 11 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-11-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/govatsa-dvadashi",
      "festival": "govatsa-dvadashi",
      "name": "Govatsa Dvādaśī",
      "everyday": "Vasu Baras",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2397,
      "anga": {
        "type": "tithi",
        "index": 26,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2020-11-11T23:11:23+04:00",
          "utc": "2020-11-11T19:11:23Z",
          "ms": 1605121882684.5667
        },
        "end": {
          "local": "2020-11-12T20:00:30+04:00",
          "utc": "2020-11-12T16:00:30Z",
          "ms": 1605196829537.8208
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-11T23:11:23+04:00",
          "utc": "2020-11-11T19:11:23Z",
          "ms": 1605121882684.5667
        },
        "end": {
          "local": "2020-11-12T20:00:30+04:00",
          "utc": "2020-11-12T16:00:30Z",
          "ms": 1605196829537.8208
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-11-11",
          "window": {
            "start": {
              "local": "2020-11-11T17:36:52+04:00",
              "utc": "2020-11-11T13:36:52Z",
              "ms": 1605101812172.5405
            },
            "end": {
              "local": "2020-11-11T19:20:49+04:00",
              "utc": "2020-11-11T15:20:49Z",
              "ms": 1605108048876.453
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        },
        {
          "local_date": "2020-11-12",
          "window": {
            "start": {
              "local": "2020-11-12T17:36:28+04:00",
              "utc": "2020-11-12T13:36:28Z",
              "ms": 1605188187582.412
            },
            "end": {
              "local": "2020-11-12T19:20:33+04:00",
              "utc": "2020-11-12T15:20:33Z",
              "ms": 1605194432946.1455
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 23:11 on Wed 11 Nov to 20:00 on Thu 12 Nov.",
          "fact": "2020-11-11T19:11:23Z → 2020-11-12T16:00:30Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:37–19:21 on the 11th, 17:36–19:21 on the 12th.",
          "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 104 minutes on the 11th and 104 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: purvaviddha → only-day · margin 2397 s"
        },
        {
          "step": "ruling",
          "text": "Govatsa Dvādaśī, Abu Dhabi, 2020: Thursday 12 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": "2020-11-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Govatsa Dvādaśī (Vasu Baras) 2020 falls on Thursday 12 November. Dvādaśī runs from 23:11 on Wed 11 Nov to 20:00 on Thu 12 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/yama-dipadana",
      "festival": "yama-dipadana",
      "name": "Yama Dīpadāna",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-12",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 2397,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-11-12T20:00:30+04:00",
          "utc": "2020-11-12T16:00:30Z",
          "ms": 1605196829537.8208
        },
        "end": {
          "local": "2020-11-13T16:29:27+04:00",
          "utc": "2020-11-13T12:29:27Z",
          "ms": 1605270567247.2307
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-12T20:00:30+04:00",
          "utc": "2020-11-12T16:00:30Z",
          "ms": 1605196829537.8208
        },
        "end": {
          "local": "2020-11-13T16:29:27+04:00",
          "utc": "2020-11-13T12:29:27Z",
          "ms": 1605270567247.2307
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-11-12",
          "window": {
            "start": {
              "local": "2020-11-12T17:36:28+04:00",
              "utc": "2020-11-12T13:36:28Z",
              "ms": 1605188187582.412
            },
            "end": {
              "local": "2020-11-12T19:20:33+04:00",
              "utc": "2020-11-12T15:20:33Z",
              "ms": 1605194432946.1455
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        },
        {
          "local_date": "2020-11-13",
          "window": {
            "start": {
              "local": "2020-11-13T17:36:04+04:00",
              "utc": "2020-11-13T13:36:04Z",
              "ms": 1605274564374.8647
            },
            "end": {
              "local": "2020-11-13T19:20:18+04:00",
              "utc": "2020-11-13T15:20:18Z",
              "ms": 1605280818258.2905
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:00 on Thu 12 Nov to 16:29 on Fri 13 Nov.",
          "fact": "2020-11-12T16:00:30Z → 2020-11-13T12:29:27Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:21 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": "Trayodaśī must be present during pradoṣa. It covers 0 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": "Neither evening qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 2397 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dīpadāna, Abu Dhabi, 2020: Thursday 12 November.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "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": "2020-11-12",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Yama Dīpadāna 2020 falls on Thursday 12 November. Trayodaśī runs from 20:00 on Thu 12 Nov to 16:29 on Fri 13 Nov, and reaches pradoṣa on neither day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/pradosha-vrata?on=2020-11-12",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-12",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 2397,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-11-12T20:00:30+04:00",
          "utc": "2020-11-12T16:00:30Z",
          "ms": 1605196829537.8208
        },
        "end": {
          "local": "2020-11-13T16:29:27+04:00",
          "utc": "2020-11-13T12:29:27Z",
          "ms": 1605270567247.2307
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-12T20:00:30+04:00",
          "utc": "2020-11-12T16:00:30Z",
          "ms": 1605196829537.8208
        },
        "end": {
          "local": "2020-11-13T16:29:27+04:00",
          "utc": "2020-11-13T12:29:27Z",
          "ms": 1605270567247.2307
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-11-12",
          "window": {
            "start": {
              "local": "2020-11-12T17:36:28+04:00",
              "utc": "2020-11-12T13:36:28Z",
              "ms": 1605188187582.412
            },
            "end": {
              "local": "2020-11-12T19:20:33+04:00",
              "utc": "2020-11-12T15:20:33Z",
              "ms": 1605194432946.1455
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        },
        {
          "local_date": "2020-11-13",
          "window": {
            "start": {
              "local": "2020-11-13T17:36:04+04:00",
              "utc": "2020-11-13T13:36:04Z",
              "ms": 1605274564374.8647
            },
            "end": {
              "local": "2020-11-13T19:20:18+04:00",
              "utc": "2020-11-13T15:20:18Z",
              "ms": 1605280818258.2905
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:00 on Thu 12 Nov to 16:29 on Fri 13 Nov.",
          "fact": "2020-11-12T16:00:30Z → 2020-11-13T12:29:27Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:21 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": "Trayodaśī must be present during pradoṣa. It covers 0 of 104 minutes on the 12th and 0 of 104 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither evening qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 2397 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2020: Thursday 12 November.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-11-12",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2020 falls on Thursday 12 November. Trayodaśī runs from 20:00 on Thu 12 Nov to 16:29 on Fri 13 Nov, and reaches pradoṣa on neither day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-11-12",
      "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/2020/shivaratri?on=2020-11-13",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26009,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2020-11-13T16:29:27+04:00",
          "utc": "2020-11-13T12:29:27Z",
          "ms": 1605270567247.2307
        },
        "end": {
          "local": "2020-11-14T12:48:13+04:00",
          "utc": "2020-11-14T08:48:13Z",
          "ms": 1605343692866.749
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-13T16:29:27+04:00",
          "utc": "2020-11-13T12:29:27Z",
          "ms": 1605270567247.2307
        },
        "end": {
          "local": "2020-11-14T12:48:13+04:00",
          "utc": "2020-11-14T08:48:13Z",
          "ms": 1605343692866.749
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2020-11-13",
          "window": {
            "start": {
              "local": "2020-11-13T23:42:56+04:00",
              "utc": "2020-11-13T19:42:56Z",
              "ms": 1605296576437.7114
            },
            "end": {
              "local": "2020-11-14T00:30:56+04:00",
              "utc": "2020-11-13T20:30:56Z",
              "ms": 1605299456437.7114
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-11-14",
          "window": {
            "start": {
              "local": "2020-11-14T23:43:06+04:00",
              "utc": "2020-11-14T19:43:06Z",
              "ms": 1605382986029.4976
            },
            "end": {
              "local": "2020-11-15T00:31:06+04:00",
              "utc": "2020-11-14T20:31:06Z",
              "ms": 1605385866029.4976
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 16:29 on Fri 13 Nov to 12:48 on Sat 14 Nov.",
          "fact": "2020-11-13T12:29:27Z → 2020-11-14T08:48:13Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:43–00:31 on the 13th, 23:43–00:31 on the 14th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26009 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2020: Friday 13 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": "2020-11-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2020 falls on Friday 13 November. Caturdaśī runs from 16:29 on Fri 13 Nov to 12:48 on Sat 14 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/shivaratri?on=2020-11-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/naraka-chaturdashi",
      "festival": "naraka-chaturdashi",
      "name": "Naraka Caturdaśī",
      "everyday": "Choti Diwali",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22224,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2020-11-13T16:29:27+04:00",
          "utc": "2020-11-13T12:29:27Z",
          "ms": 1605270567247.2307
        },
        "end": {
          "local": "2020-11-14T12:48:13+04:00",
          "utc": "2020-11-14T08:48:13Z",
          "ms": 1605343692866.749
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-13T16:29:27+04:00",
          "utc": "2020-11-13T12:29:27Z",
          "ms": 1605270567247.2307
        },
        "end": {
          "local": "2020-11-14T12:48:13+04:00",
          "utc": "2020-11-14T08:48:13Z",
          "ms": 1605343692866.749
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2020-11-13",
          "window": {
            "start": {
              "local": "2020-11-13T04:53:02+04:00",
              "utc": "2020-11-13T00:53:02Z",
              "ms": 1605228782446.6785
            },
            "end": {
              "local": "2020-11-13T06:37:08+04:00",
              "utc": "2020-11-13T02:37:08Z",
              "ms": 1605235027810.4119
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        },
        {
          "local_date": "2020-11-14",
          "window": {
            "start": {
              "local": "2020-11-14T04:53:35+04:00",
              "utc": "2020-11-14T00:53:35Z",
              "ms": 1605315214617.132
            },
            "end": {
              "local": "2020-11-14T06:37:49+04:00",
              "utc": "2020-11-14T02:37:49Z",
              "ms": 1605321468500.5579
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 16:29 on Fri 13 Nov to 12:48 on Sat 14 Nov.",
          "fact": "2020-11-13T12:29:27Z → 2020-11-14T08:48:13Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:53–06:37 on the 13th, 04:54–06:38 on the 14th.",
          "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 104 minutes on the 13th and 104 of 104 on the 14th.",
          "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 22224 s"
        },
        {
          "step": "ruling",
          "text": "Naraka Caturdaśī, Abu Dhabi, 2020: Saturday 14 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": "2020-11-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Naraka Caturdaśī (Choti Diwali) 2020 falls on Saturday 14 November. Caturdaśī runs from 16:29 on Fri 13 Nov to 12:48 on Sat 14 Nov and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/diwali-lakshmi-puja",
      "festival": "diwali-lakshmi-puja",
      "name": "Lakṣmī Pūjā",
      "everyday": "Diwali",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17250,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2020-11-14T12:48:13+04:00",
          "utc": "2020-11-14T08:48:13Z",
          "ms": 1605343692866.749
        },
        "end": {
          "local": "2020-11-15T09:07:11+04:00",
          "utc": "2020-11-15T05:07:11Z",
          "ms": 1605416831270.4077
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-14T12:48:13+04:00",
          "utc": "2020-11-14T08:48:13Z",
          "ms": 1605343692866.749
        },
        "end": {
          "local": "2020-11-15T09:07:11+04:00",
          "utc": "2020-11-15T05:07:11Z",
          "ms": 1605416831270.4077
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-11-14",
          "window": {
            "start": {
              "local": "2020-11-14T17:35:43+04:00",
              "utc": "2020-11-14T13:35:43Z",
              "ms": 1605360942561.5115
            },
            "end": {
              "local": "2020-11-14T19:20:05+04:00",
              "utc": "2020-11-14T15:20:05Z",
              "ms": 1605367204819.641
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        },
        {
          "local_date": "2020-11-15",
          "window": {
            "start": {
              "local": "2020-11-15T17:35:22+04:00",
              "utc": "2020-11-15T13:35:22Z",
              "ms": 1605447322152.1401
            },
            "end": {
              "local": "2020-11-15T19:19:53+04:00",
              "utc": "2020-11-15T15:19:53Z",
              "ms": 1605453592635.0898
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 12:48 on Sat 14 Nov to 09:07 on Sun 15 Nov.",
          "fact": "2020-11-14T08:48:13Z → 2020-11-15T05:07:11Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:20 on the 14th, 17:35–19:20 on the 15th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during pradoṣa. It covers 104 of 104 minutes on the 14th and 0 of 105 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17250 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pūjā, Abu Dhabi, 2020: Saturday 14 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": "2020-11-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Lakṣmī Pūjā (Diwali) 2020 falls on Saturday 14 November. Amāvasyā runs from 12:48 on Sat 14 Nov to 09:07 on Sun 15 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/kali-puja",
      "festival": "kali-puja",
      "name": "Kālī Pūjā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30965,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2020-11-14T12:48:13+04:00",
          "utc": "2020-11-14T08:48:13Z",
          "ms": 1605343692866.749
        },
        "end": {
          "local": "2020-11-15T09:07:11+04:00",
          "utc": "2020-11-15T05:07:11Z",
          "ms": 1605416831270.4077
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-14T12:48:13+04:00",
          "utc": "2020-11-14T08:48:13Z",
          "ms": 1605343692866.749
        },
        "end": {
          "local": "2020-11-15T09:07:11+04:00",
          "utc": "2020-11-15T05:07:11Z",
          "ms": 1605416831270.4077
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2020-11-13",
          "window": {
            "start": {
              "local": "2020-11-13T23:42:56+04:00",
              "utc": "2020-11-13T19:42:56Z",
              "ms": 1605296576437.7114
            },
            "end": {
              "local": "2020-11-14T00:30:56+04:00",
              "utc": "2020-11-13T20:30:56Z",
              "ms": 1605299456437.7114
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-11-14",
          "window": {
            "start": {
              "local": "2020-11-14T23:43:06+04:00",
              "utc": "2020-11-14T19:43:06Z",
              "ms": 1605382986029.4976
            },
            "end": {
              "local": "2020-11-15T00:31:06+04:00",
              "utc": "2020-11-14T20:31:06Z",
              "ms": 1605385866029.4976
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 12:48 on Sat 14 Nov to 09:07 on Sun 15 Nov.",
          "fact": "2020-11-14T08:48:13Z → 2020-11-15T05:07:11Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:43–00:31 on the 13th, 23:43–00:31 on the 14th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.",
          "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 30965 s"
        },
        {
          "step": "ruling",
          "text": "Kālī Pūjā, Abu Dhabi, 2020: Saturday 14 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": "2020-11-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kālī Pūjā 2020 falls on Saturday 14 November. Amāvasyā runs from 12:48 on Sat 14 Nov to 09:07 on Sun 15 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/govardhana-puja",
      "festival": "govardhana-puja",
      "name": "Govardhana Pūjā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9345,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2020-11-15T09:07:11+04:00",
          "utc": "2020-11-15T05:07:11Z",
          "ms": 1605416831270.4077
        },
        "end": {
          "local": "2020-11-16T05:36:50+04:00",
          "utc": "2020-11-16T01:36:50Z",
          "ms": 1605490610365.2756
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-15T09:07:11+04:00",
          "utc": "2020-11-15T05:07:11Z",
          "ms": 1605416831270.4077
        },
        "end": {
          "local": "2020-11-16T05:36:50+04:00",
          "utc": "2020-11-16T01:36:50Z",
          "ms": 1605490610365.2756
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-11-15",
          "window": {
            "start": {
              "local": "2020-11-15T11:42:56+04:00",
              "utc": "2020-11-15T07:42:56Z",
              "ms": 1605426175824.8118
            },
            "end": {
              "local": "2020-11-15T12:30:56+04:00",
              "utc": "2020-11-15T08:30:56Z",
              "ms": 1605429055824.8118
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-11-16",
          "window": {
            "start": {
              "local": "2020-11-16T11:43:07+04:00",
              "utc": "2020-11-16T07:43:07Z",
              "ms": 1605512586964.774
            },
            "end": {
              "local": "2020-11-16T12:31:07+04:00",
              "utc": "2020-11-16T08:31:07Z",
              "ms": 1605515466964.774
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 09:07 on Sun 15 Nov to 05:37 on Mon 16 Nov.",
          "fact": "2020-11-15T05:07:11Z → 2020-11-16T01:36:50Z"
        },
        {
          "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": "Pratipadā 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: purvaviddha → only-day · margin 9345 s"
        },
        {
          "step": "ruling",
          "text": "Govardhana Pūjā, Abu Dhabi, 2020: Sunday 15 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": "2020-11-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Govardhana Pūjā 2020 falls on Sunday 15 November. Pratipadā runs from 09:07 on Sun 15 Nov to 05:37 on Mon 16 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/bali-puja",
      "festival": "bali-puja",
      "name": "Bali Pūjā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30491,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2020-11-15T09:07:11+04:00",
          "utc": "2020-11-15T05:07:11Z",
          "ms": 1605416831270.4077
        },
        "end": {
          "local": "2020-11-16T05:36:50+04:00",
          "utc": "2020-11-16T01:36:50Z",
          "ms": 1605490610365.2756
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-15T09:07:11+04:00",
          "utc": "2020-11-15T05:07:11Z",
          "ms": 1605416831270.4077
        },
        "end": {
          "local": "2020-11-16T05:36:50+04:00",
          "utc": "2020-11-16T01:36:50Z",
          "ms": 1605490610365.2756
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-11-15",
          "window": {
            "start": {
              "local": "2020-11-15T17:35:22+04:00",
              "utc": "2020-11-15T13:35:22Z",
              "ms": 1605447322152.1401
            },
            "end": {
              "local": "2020-11-15T19:19:53+04:00",
              "utc": "2020-11-15T15:19:53Z",
              "ms": 1605453592635.0898
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        },
        {
          "local_date": "2020-11-16",
          "window": {
            "start": {
              "local": "2020-11-16T17:35:03+04:00",
              "utc": "2020-11-16T13:35:03Z",
              "ms": 1605533703155.2847
            },
            "end": {
              "local": "2020-11-16T19:19:42+04:00",
              "utc": "2020-11-16T15:19:42Z",
              "ms": 1605539981708.244
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 09:07 on Sun 15 Nov to 05:37 on Mon 16 Nov.",
          "fact": "2020-11-15T05:07:11Z → 2020-11-16T01:36:50Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:35–19:20 on the 15th, 17:35–19:20 on the 16th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pradoṣa. It covers 105 of 105 minutes on the 15th and 0 of 105 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30491 s"
        },
        {
          "step": "ruling",
          "text": "Bali Pūjā, Abu Dhabi, 2020: Sunday 15 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": "2020-11-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Bali Pūjā 2020 falls on Sunday 15 November. Pratipadā runs from 09:07 on Sun 15 Nov to 05:37 on Mon 16 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/dyuta-pratipad",
      "festival": "dyuta-pratipad",
      "name": "Dyūta Pratipad",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3740,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2020-11-15T09:07:11+04:00",
          "utc": "2020-11-15T05:07:11Z",
          "ms": 1605416831270.4077
        },
        "end": {
          "local": "2020-11-16T05:36:50+04:00",
          "utc": "2020-11-16T01:36:50Z",
          "ms": 1605490610365.2756
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-15T09:07:11+04:00",
          "utc": "2020-11-15T05:07:11Z",
          "ms": 1605416831270.4077
        },
        "end": {
          "local": "2020-11-16T05:36:50+04:00",
          "utc": "2020-11-16T01:36:50Z",
          "ms": 1605490610365.2756
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2020-11-15",
          "window": {
            "start": {
              "local": "2020-11-15T06:38:29+04:00",
              "utc": "2020-11-15T02:38:29Z",
              "ms": 1605407909497.4834
            },
            "end": {
              "local": "2020-11-15T10:17:27+04:00",
              "utc": "2020-11-15T06:17:27Z",
              "ms": 1605421047049.0356
            }
          },
          "covered_min": 70,
          "window_min": 219,
          "qualifies": true
        },
        {
          "local_date": "2020-11-16",
          "window": {
            "start": {
              "local": "2020-11-16T06:39:11+04:00",
              "utc": "2020-11-16T02:39:11Z",
              "ms": 1605494350774.263
            },
            "end": {
              "local": "2020-11-16T10:17:48+04:00",
              "utc": "2020-11-16T06:17:48Z",
              "ms": 1605507468234.6035
            }
          },
          "covered_min": 0,
          "window_min": 219,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 09:07 on Sun 15 Nov to 05:37 on Mon 16 Nov.",
          "fact": "2020-11-15T05:07:11Z → 2020-11-16T01:36:50Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:38–10:17 on the 15th, 06:39–10:18 on the 16th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pūrvāhṇa. It covers 70 of 219 minutes on the 15th and 0 of 219 on the 16th.",
          "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 3740 s"
        },
        {
          "step": "ruling",
          "text": "Dyūta Pratipad, Abu Dhabi, 2020: Sunday 15 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": "2020-11-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Dyūta Pratipad 2020 falls on Sunday 15 November. Pratipadā runs from 09:07 on Sun 15 Nov to 05:37 on Mon 16 Nov and covers 70 of 219 minutes of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/yama-dvitiya",
      "festival": "yama-dvitiya",
      "name": "Yama Dvitīyā",
      "everyday": "Bhai Dooj",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21977,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2020-11-16T05:36:50+04:00",
          "utc": "2020-11-16T01:36:50Z",
          "ms": 1605490610365.2756
        },
        "end": {
          "local": "2020-11-17T02:27:17+04:00",
          "utc": "2020-11-16T22:27:17Z",
          "ms": 1605565637341.815
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-16T05:36:50+04:00",
          "utc": "2020-11-16T01:36:50Z",
          "ms": 1605490610365.2756
        },
        "end": {
          "local": "2020-11-17T02:27:17+04:00",
          "utc": "2020-11-16T22:27:17Z",
          "ms": 1605565637341.815
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-11-16",
          "window": {
            "start": {
              "local": "2020-11-16T11:43:07+04:00",
              "utc": "2020-11-16T07:43:07Z",
              "ms": 1605512586964.774
            },
            "end": {
              "local": "2020-11-16T12:31:07+04:00",
              "utc": "2020-11-16T08:31:07Z",
              "ms": 1605515466964.774
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-11-17",
          "window": {
            "start": {
              "local": "2020-11-17T11:43:19+04:00",
              "utc": "2020-11-17T07:43:19Z",
              "ms": 1605598998940.6772
            },
            "end": {
              "local": "2020-11-17T12:31:19+04:00",
              "utc": "2020-11-17T08:31:19Z",
              "ms": 1605601878940.6772
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 05:37 on Mon 16 Nov to 02:27 on Tue 17 Nov.",
          "fact": "2020-11-16T01:36:50Z → 2020-11-16T22:27:17Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 16th, 11:43–12:31 on the 17th.",
          "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 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 21977 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dvitīyā, Abu Dhabi, 2020: Monday 16 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": "2020-11-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Yama Dvitīyā (Bhai Dooj) 2020 falls on Monday 16 November. Dvitīyā runs from 05:37 on Mon 16 Nov to 02:27 on Tue 17 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/naga-chaturthi",
      "festival": "naga-chaturthi",
      "name": "Nāga Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33305,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-11-17T23:47:52+04:00",
          "utc": "2020-11-17T19:47:52Z",
          "ms": 1605642472336.0498
        },
        "end": {
          "local": "2020-11-18T21:46:37+04:00",
          "utc": "2020-11-18T17:46:37Z",
          "ms": 1605721596594.9673
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-17T23:47:52+04:00",
          "utc": "2020-11-17T19:47:52Z",
          "ms": 1605642472336.0498
        },
        "end": {
          "local": "2020-11-18T21:46:37+04:00",
          "utc": "2020-11-18T17:46:37Z",
          "ms": 1605721596594.9673
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-11-17",
          "window": {
            "start": {
              "local": "2020-11-17T11:43:19+04:00",
              "utc": "2020-11-17T07:43:19Z",
              "ms": 1605598998940.6772
            },
            "end": {
              "local": "2020-11-17T12:31:19+04:00",
              "utc": "2020-11-17T08:31:19Z",
              "ms": 1605601878940.6772
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-11-18",
          "window": {
            "start": {
              "local": "2020-11-18T11:43:32+04:00",
              "utc": "2020-11-18T07:43:32Z",
              "ms": 1605685411741.8284
            },
            "end": {
              "local": "2020-11-18T12:31:32+04:00",
              "utc": "2020-11-18T08:31:32Z",
              "ms": 1605688291741.8284
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:48 on Tue 17 Nov to 21:47 on Wed 18 Nov.",
          "fact": "2020-11-17T19:47:52Z → 2020-11-18T17:46:37Z"
        },
        {
          "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": "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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 33305 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Caturthī, Abu Dhabi, 2020: Wednesday 18 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": "2020-11-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Nāga Caturthī 2020 falls on Wednesday 18 November. Caturthī runs from 23:48 on Tue 17 Nov to 21:47 on Wed 18 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/vinayaka-chaturthi?on=2020-11-18",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33305,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-11-17T23:47:52+04:00",
          "utc": "2020-11-17T19:47:52Z",
          "ms": 1605642472336.0498
        },
        "end": {
          "local": "2020-11-18T21:46:37+04:00",
          "utc": "2020-11-18T17:46:37Z",
          "ms": 1605721596594.9673
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-17T23:47:52+04:00",
          "utc": "2020-11-17T19:47:52Z",
          "ms": 1605642472336.0498
        },
        "end": {
          "local": "2020-11-18T21:46:37+04:00",
          "utc": "2020-11-18T17:46:37Z",
          "ms": 1605721596594.9673
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-11-17",
          "window": {
            "start": {
              "local": "2020-11-17T11:43:19+04:00",
              "utc": "2020-11-17T07:43:19Z",
              "ms": 1605598998940.6772
            },
            "end": {
              "local": "2020-11-17T12:31:19+04:00",
              "utc": "2020-11-17T08:31:19Z",
              "ms": 1605601878940.6772
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-11-18",
          "window": {
            "start": {
              "local": "2020-11-18T11:43:32+04:00",
              "utc": "2020-11-18T07:43:32Z",
              "ms": 1605685411741.8284
            },
            "end": {
              "local": "2020-11-18T12:31:32+04:00",
              "utc": "2020-11-18T08:31:32Z",
              "ms": 1605688291741.8284
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:48 on Tue 17 Nov to 21:47 on Wed 18 Nov.",
          "fact": "2020-11-17T19:47:52Z → 2020-11-18T17:46:37Z"
        },
        {
          "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": "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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 33305 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Abu Dhabi, 2020: Wednesday 18 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": "2020-11-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2020 falls on Wednesday 18 November. Caturthī runs from 23:48 on Tue 17 Nov to 21:47 on Wed 18 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/vinayaka-chaturthi?on=2020-11-18",
      "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/2020/surya-shashthi",
      "festival": "surya-shashthi",
      "name": "Sūrya Ṣaṣṭhī",
      "everyday": "Chhath",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26892,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2020-11-19T20:29:34+04:00",
          "utc": "2020-11-19T16:29:34Z",
          "ms": 1605803374437.3047
        },
        "end": {
          "local": "2020-11-20T20:00:12+04:00",
          "utc": "2020-11-20T16:00:12Z",
          "ms": 1605888012215.6682
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-19T20:29:34+04:00",
          "utc": "2020-11-19T16:29:34Z",
          "ms": 1605803374437.3047
        },
        "end": {
          "local": "2020-11-20T20:00:12+04:00",
          "utc": "2020-11-20T16:00:12Z",
          "ms": 1605888012215.6682
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-11-19",
          "window": {
            "start": {
              "local": "2020-11-19T11:43:45+04:00",
              "utc": "2020-11-19T07:43:45Z",
              "ms": 1605771825357.4958
            },
            "end": {
              "local": "2020-11-19T12:31:45+04:00",
              "utc": "2020-11-19T08:31:45Z",
              "ms": 1605774705357.4958
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-11-20",
          "window": {
            "start": {
              "local": "2020-11-20T11:44:00+04:00",
              "utc": "2020-11-20T07:44:00Z",
              "ms": 1605858239777.0625
            },
            "end": {
              "local": "2020-11-20T12:32:00+04:00",
              "utc": "2020-11-20T08:32:00Z",
              "ms": 1605861119777.0625
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 20:30 on Thu 19 Nov to 20:00 on Fri 20 Nov.",
          "fact": "2020-11-19T16:29:34Z → 2020-11-20T16:00:12Z"
        },
        {
          "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": "Ṣaṣṭhī 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: unstated → only-day · margin 26892 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī, Abu Dhabi, 2020: Friday 20 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": "2020-11-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Sūrya Ṣaṣṭhī (Chhath) 2020 falls on Friday 20 November. Ṣaṣṭhī runs from 20:30 on Thu 19 Nov to 20:00 on Fri 20 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/gopashtami",
      "festival": "gopashtami",
      "name": "Gopāṣṭamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27988,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2020-11-21T20:18:43+04:00",
          "utc": "2020-11-21T16:18:43Z",
          "ms": 1605975522622.5
        },
        "end": {
          "local": "2020-11-22T21:21:47+04:00",
          "utc": "2020-11-22T17:21:47Z",
          "ms": 1606065706949.4802
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-21T20:18:43+04:00",
          "utc": "2020-11-21T16:18:43Z",
          "ms": 1605975522622.5
        },
        "end": {
          "local": "2020-11-22T21:21:47+04:00",
          "utc": "2020-11-22T17:21:47Z",
          "ms": 1606065706949.4802
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-11-21",
          "window": {
            "start": {
              "local": "2020-11-21T11:44:15+04:00",
              "utc": "2020-11-21T07:44:15Z",
              "ms": 1605944654989.9646
            },
            "end": {
              "local": "2020-11-21T12:32:15+04:00",
              "utc": "2020-11-21T08:32:15Z",
              "ms": 1605947534989.9646
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-11-22",
          "window": {
            "start": {
              "local": "2020-11-22T11:44:31+04:00",
              "utc": "2020-11-22T07:44:31Z",
              "ms": 1606031070985.512
            },
            "end": {
              "local": "2020-11-22T12:32:31+04:00",
              "utc": "2020-11-22T08:32:31Z",
              "ms": 1606033950985.512
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 20:19 on Sat 21 Nov to 21:22 on Sun 22 Nov.",
          "fact": "2020-11-21T16:18:43Z → 2020-11-22T17:21:47Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 21st, 11:45–12:33 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 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 27988 s"
        },
        {
          "step": "ruling",
          "text": "Gopāṣṭamī, Abu Dhabi, 2020: Sunday 22 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": "2020-11-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Gopāṣṭamī 2020 falls on Sunday 22 November. Aṣṭamī runs from 20:19 on Sat 21 Nov to 21:22 on Sun 22 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/akshaya-navami",
      "festival": "akshaya-navami",
      "name": "Akṣaya Navamī",
      "everyday": "Amla Navami",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27720,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2020-11-22T21:21:47+04:00",
          "utc": "2020-11-22T17:21:47Z",
          "ms": 1606065706949.4802
        },
        "end": {
          "local": "2020-11-23T23:02:48+04:00",
          "utc": "2020-11-23T19:02:48Z",
          "ms": 1606158167674.8022
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-22T21:21:47+04:00",
          "utc": "2020-11-22T17:21:47Z",
          "ms": 1606065706949.4802
        },
        "end": {
          "local": "2020-11-23T23:02:48+04:00",
          "utc": "2020-11-23T19:02:48Z",
          "ms": 1606158167674.8022
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2020-11-23",
          "window": {
            "start": {
              "local": "2020-11-23T06:44:05+04:00",
              "utc": "2020-11-23T02:44:05Z",
              "ms": 1606099445118.51
            },
            "end": {
              "local": "2020-11-23T10:20:34+04:00",
              "utc": "2020-11-23T06:20:34Z",
              "ms": 1606112433541.2905
            }
          },
          "covered_min": 216,
          "window_min": 216,
          "qualifies": true
        },
        {
          "local_date": "2020-11-24",
          "window": {
            "start": {
              "local": "2020-11-24T06:44:48+04:00",
              "utc": "2020-11-24T02:44:48Z",
              "ms": 1606185887592.7124
            },
            "end": {
              "local": "2020-11-24T10:20:59+04:00",
              "utc": "2020-11-24T06:20:59Z",
              "ms": 1606198859384.1992
            }
          },
          "covered_min": 0,
          "window_min": 216,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 21:22 on Sun 22 Nov to 23:03 on Mon 23 Nov.",
          "fact": "2020-11-22T17:21:47Z → 2020-11-23T19:02:48Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:44–10:21 on the 23rd, 06:45–10:21 on the 24th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during pūrvāhṇa. It covers 216 of 216 minutes on the 23rd and 0 of 216 on the 24th.",
          "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 27720 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Navamī, Abu Dhabi, 2020: Monday 23 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": "2020-11-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Akṣaya Navamī (Amla Navami) 2020 falls on Monday 23 November. Navamī runs from 21:22 on Sun 22 Nov to 23:03 on Mon 23 Nov and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/durga-navami",
      "festival": "durga-navami",
      "name": "Durgā Navamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31756,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2020-11-22T21:21:47+04:00",
          "utc": "2020-11-22T17:21:47Z",
          "ms": 1606065706949.4802
        },
        "end": {
          "local": "2020-11-23T23:02:48+04:00",
          "utc": "2020-11-23T19:02:48Z",
          "ms": 1606158167674.8022
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-22T21:21:47+04:00",
          "utc": "2020-11-22T17:21:47Z",
          "ms": 1606065706949.4802
        },
        "end": {
          "local": "2020-11-23T23:02:48+04:00",
          "utc": "2020-11-23T19:02:48Z",
          "ms": 1606158167674.8022
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-11-22",
          "window": {
            "start": {
              "local": "2020-11-22T11:44:31+04:00",
              "utc": "2020-11-22T07:44:31Z",
              "ms": 1606031070985.512
            },
            "end": {
              "local": "2020-11-22T12:32:31+04:00",
              "utc": "2020-11-22T08:32:31Z",
              "ms": 1606033950985.512
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-11-23",
          "window": {
            "start": {
              "local": "2020-11-23T11:44:48+04:00",
              "utc": "2020-11-23T07:44:48Z",
              "ms": 1606117487752.6807
            },
            "end": {
              "local": "2020-11-23T12:32:48+04:00",
              "utc": "2020-11-23T08:32:48Z",
              "ms": 1606120367752.6807
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 21:22 on Sun 22 Nov to 23:03 on Mon 23 Nov.",
          "fact": "2020-11-22T17:21:47Z → 2020-11-23T19:02:48Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 22nd, 11:45–12:33 on the 23rd.",
          "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 22nd and 48 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 31756 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Navamī, Abu Dhabi, 2020: Monday 23 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": "2020-11-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Durgā Navamī 2020 falls on Monday 23 November. Navamī runs from 21:22 on Sun 22 Nov to 23:03 on Mon 23 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ekadashi?on=2020-11-25",
      "festival": "ekadashi",
      "name": "Prabodhinī Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11126,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-11-25T01:12:36+04:00",
          "utc": "2020-11-24T21:12:36Z",
          "ms": 1606252356144.9473
        },
        "end": {
          "local": "2020-11-26T03:40:47+04:00",
          "utc": "2020-11-25T23:40:47Z",
          "ms": 1606347646810.667
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-25T01:12:36+04:00",
          "utc": "2020-11-24T21:12:36Z",
          "ms": 1606252356144.9473
        },
        "end": {
          "local": "2020-11-26T03:40:47+04:00",
          "utc": "2020-11-25T23:40:47Z",
          "ms": 1606347646810.667
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-11-25",
          "window": {
            "start": {
              "local": "2020-11-25T06:45:30+04:00",
              "utc": "2020-11-25T02:45:30Z",
              "ms": 1606272330086.4255
            },
            "end": {
              "local": "2020-11-25T06:45:30+04:00",
              "utc": "2020-11-25T02:45:30Z",
              "ms": 1606272330086.4255
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-11-26",
          "window": {
            "start": {
              "local": "2020-11-26T06:46:13+04:00",
              "utc": "2020-11-26T02:46:13Z",
              "ms": 1606358772570.0586
            },
            "end": {
              "local": "2020-11-26T06:46:13+04:00",
              "utc": "2020-11-26T02:46:13Z",
              "ms": 1606358772570.0586
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 01:13 on Wed 25 Nov to 03:41 on Thu 26 Nov.",
          "fact": "2020-11-24T21:12:36Z → 2020-11-25T23:40:47Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:46 on the 25th and 06:46 on the 26th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 25th and is not on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 11126 s"
        },
        {
          "step": "ruling",
          "text": "Prabodhinī Ekādaśī, Abu Dhabi, 2020: Wednesday 25 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-11-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Prabodhinī Ekādaśī 2020 falls on Wednesday 25 November. Ekādaśī runs from 01:13 on Wed 25 Nov to 03:41 on Thu 26 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-11-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-11-27",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31273,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-11-27T06:16:58+04:00",
          "utc": "2020-11-27T02:16:58Z",
          "ms": 1606443417739.37
        },
        "end": {
          "local": "2020-11-28T08:51:55+04:00",
          "utc": "2020-11-28T04:51:55Z",
          "ms": 1606539114806.4587
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-27T06:16:58+04:00",
          "utc": "2020-11-27T02:16:58Z",
          "ms": 1606443417739.37
        },
        "end": {
          "local": "2020-11-28T08:51:55+04:00",
          "utc": "2020-11-28T04:51:55Z",
          "ms": 1606539114806.4587
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-11-27",
          "window": {
            "start": {
              "local": "2020-11-27T17:33:10+04:00",
              "utc": "2020-11-27T13:33:10Z",
              "ms": 1606483989580.6326
            },
            "end": {
              "local": "2020-11-27T19:19:05+04:00",
              "utc": "2020-11-27T15:19:05Z",
              "ms": 1606490345288.0706
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        },
        {
          "local_date": "2020-11-28",
          "window": {
            "start": {
              "local": "2020-11-28T17:33:08+04:00",
              "utc": "2020-11-28T13:33:08Z",
              "ms": 1606570388085.218
            },
            "end": {
              "local": "2020-11-28T19:19:10+04:00",
              "utc": "2020-11-28T15:19:10Z",
              "ms": 1606576749628.2024
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:17 on Fri 27 Nov to 08:52 on Sat 28 Nov.",
          "fact": "2020-11-27T02:16:58Z → 2020-11-28T04:51:55Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:33–19:19 on the 27th, 17:33–19:19 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 106 of 106 minutes on the 27th and 0 of 106 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 31273 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2020: Friday 27 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-11-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2020 falls on Friday 27 November. Trayodaśī runs from 06:17 on Fri 27 Nov to 08:52 on Sat 28 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-11-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/kartiki-purnima",
      "festival": "kartiki-purnima",
      "name": "Kārtikī Pūrṇimā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-29",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1718,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2020-11-29T11:18:05+04:00",
          "utc": "2020-11-29T07:18:05Z",
          "ms": 1606634285450.505
        },
        "end": {
          "local": "2020-11-30T13:29:41+04:00",
          "utc": "2020-11-30T09:29:41Z",
          "ms": 1606728581082.6023
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-29T11:18:05+04:00",
          "utc": "2020-11-29T07:18:05Z",
          "ms": 1606634285450.505
        },
        "end": {
          "local": "2020-11-30T13:29:41+04:00",
          "utc": "2020-11-30T09:29:41Z",
          "ms": 1606728581082.6023
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-11-29",
          "window": {
            "start": {
              "local": "2020-11-29T11:46:44+04:00",
              "utc": "2020-11-29T07:46:44Z",
              "ms": 1606636003866.3323
            },
            "end": {
              "local": "2020-11-29T12:34:44+04:00",
              "utc": "2020-11-29T08:34:44Z",
              "ms": 1606638883866.3323
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-11-30",
          "window": {
            "start": {
              "local": "2020-11-30T11:47:06+04:00",
              "utc": "2020-11-30T07:47:06Z",
              "ms": 1606722425672.5781
            },
            "end": {
              "local": "2020-11-30T12:35:06+04:00",
              "utc": "2020-11-30T08:35:06Z",
              "ms": 1606725305672.5781
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 11:18 on Sun 29 Nov to 13:30 on Mon 30 Nov.",
          "fact": "2020-11-29T07:18:05Z → 2020-11-30T09:29:41Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 29th, 11:47–12:35 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 48 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 1718 s"
        },
        {
          "step": "ruling",
          "text": "Kārtikī Pūrṇimā, Abu Dhabi, 2020: Sunday 29 November.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "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": "2020-11-29",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-30",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Kārtikī Pūrṇimā 2020 falls on Sunday 29 November. Pūrṇimā runs from 11:18 on Sun 29 Nov to 13:30 on Mon 30 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/rasayatra",
      "festival": "rasayatra",
      "name": "Rāsayātrā",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-11-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37066,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2020-11-29T11:18:05+04:00",
          "utc": "2020-11-29T07:18:05Z",
          "ms": 1606634285450.505
        },
        "end": {
          "local": "2020-11-30T13:29:41+04:00",
          "utc": "2020-11-30T09:29:41Z",
          "ms": 1606728581082.6023
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-11-29T11:18:05+04:00",
          "utc": "2020-11-29T07:18:05Z",
          "ms": 1606634285450.505
        },
        "end": {
          "local": "2020-11-30T13:29:41+04:00",
          "utc": "2020-11-30T09:29:41Z",
          "ms": 1606728581082.6023
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2020-11-29",
          "window": {
            "start": {
              "local": "2020-11-29T23:47:05+04:00",
              "utc": "2020-11-29T19:47:05Z",
              "ms": 1606679224935.3232
            },
            "end": {
              "local": "2020-11-30T00:35:05+04:00",
              "utc": "2020-11-29T20:35:05Z",
              "ms": 1606682104935.3232
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-11-30",
          "window": {
            "start": {
              "local": "2020-11-30T23:47:27+04:00",
              "utc": "2020-11-30T19:47:27Z",
              "ms": 1606765646658.9143
            },
            "end": {
              "local": "2020-12-01T00:35:27+04:00",
              "utc": "2020-11-30T20:35:27Z",
              "ms": 1606768526658.9143
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 11:18 on Sun 29 Nov to 13:30 on Mon 30 Nov.",
          "fact": "2020-11-29T07:18:05Z → 2020-11-30T09:29:41Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 29th, 23:47–00:35 on the 30th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during niśītha. It covers 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 37066 s"
        },
        {
          "step": "ruling",
          "text": "Rāsayātrā, Abu Dhabi, 2020: Sunday 29 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": "2020-11-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-11-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Rāsayātrā 2020 falls on Sunday 29 November. Pūrṇimā runs from 11:18 on Sun 29 Nov to 13:30 on Mon 30 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/sankashta-chaturthi?on=2020-12-03",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-12-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7872,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-12-03T17:57:15+04:00",
          "utc": "2020-12-03T13:57:15Z",
          "ms": 1607003835018.9011
        },
        "end": {
          "local": "2020-12-04T18:34:05+04:00",
          "utc": "2020-12-04T14:34:05Z",
          "ms": 1607092444701.0586
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-12-03T17:57:15+04:00",
          "utc": "2020-12-03T13:57:15Z",
          "ms": 1607003835018.9011
        },
        "end": {
          "local": "2020-12-04T18:34:05+04:00",
          "utc": "2020-12-04T14:34:05Z",
          "ms": 1607092444701.0586
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2020-12-03",
          "window": {
            "start": {
              "local": "2020-12-03T20:08:27+04:00",
              "utc": "2020-12-03T16:08:27Z",
              "ms": 1607011707044.6367
            },
            "end": {
              "local": "2020-12-03T20:08:27+04:00",
              "utc": "2020-12-03T16:08:27Z",
              "ms": 1607011707044.6367
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-12-04",
          "window": {
            "start": {
              "local": "2020-12-04T21:05:22+04:00",
              "utc": "2020-12-04T17:05:22Z",
              "ms": 1607101522407.0483
            },
            "end": {
              "local": "2020-12-04T21:05:22+04:00",
              "utc": "2020-12-04T17:05:22Z",
              "ms": 1607101522407.0483
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:57 on Thu 3 Dec to 18:34 on Fri 4 Dec.",
          "fact": "2020-12-03T13:57:15Z → 2020-12-04T14:34:05Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:08 on the 3rd and 21:05 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 7872 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Abu Dhabi, 2020: Thursday 3 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-12-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-12-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Saṅkaṣṭa Caturthī 2020 falls on Thursday 3 December. Caturthī runs from 17:57 on Thu 3 Dec to 18:34 on Fri 4 Dec and is current at moonrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/sankashta-chaturthi?on=2020-12-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/ekadashi?on=2020-12-11",
      "festival": "ekadashi",
      "name": "Utpannā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-12-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5885,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-12-10T11:21:50+04:00",
          "utc": "2020-12-10T07:21:50Z",
          "ms": 1607584909933.8708
        },
        "end": {
          "local": "2020-12-11T08:34:32+04:00",
          "utc": "2020-12-11T04:34:32Z",
          "ms": 1607661271560.4973
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-12-10T11:21:50+04:00",
          "utc": "2020-12-10T07:21:50Z",
          "ms": 1607584909933.8708
        },
        "end": {
          "local": "2020-12-11T08:34:32+04:00",
          "utc": "2020-12-11T04:34:32Z",
          "ms": 1607661271560.4973
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-12-10",
          "window": {
            "start": {
              "local": "2020-12-10T06:55:48+04:00",
              "utc": "2020-12-10T02:55:48Z",
              "ms": 1607568948430.5852
            },
            "end": {
              "local": "2020-12-10T06:55:48+04:00",
              "utc": "2020-12-10T02:55:48Z",
              "ms": 1607568948430.5852
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2020-12-11",
          "window": {
            "start": {
              "local": "2020-12-11T06:56:27+04:00",
              "utc": "2020-12-11T02:56:27Z",
              "ms": 1607655386816.2236
            },
            "end": {
              "local": "2020-12-11T06:56:27+04:00",
              "utc": "2020-12-11T02:56:27Z",
              "ms": 1607655386816.2236
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 11:22 on Thu 10 Dec to 08:35 on Fri 11 Dec.",
          "fact": "2020-12-10T07:21:50Z → 2020-12-11T04:34:32Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:56 on the 10th and 06:56 on the 11th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 5885 s"
        },
        {
          "step": "ruling",
          "text": "Utpannā Ekādaśī, Abu Dhabi, 2020: Friday 11 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-12-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-12-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Utpannā Ekādaśī 2020 falls on Friday 11 December. Ekādaśī runs from 11:22 on Thu 10 Dec to 08:35 on Fri 11 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-12-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-12-12",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-12-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25253,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-12-12T05:32:29+04:00",
          "utc": "2020-12-12T01:32:29Z",
          "ms": 1607736749179.568
        },
        "end": {
          "local": "2020-12-13T02:23:13+04:00",
          "utc": "2020-12-12T22:23:13Z",
          "ms": 1607811792775.4954
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-12-12T05:32:29+04:00",
          "utc": "2020-12-12T01:32:29Z",
          "ms": 1607736749179.568
        },
        "end": {
          "local": "2020-12-13T02:23:13+04:00",
          "utc": "2020-12-12T22:23:13Z",
          "ms": 1607811792775.4954
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-12-11",
          "window": {
            "start": {
              "local": "2020-12-11T17:35:02+04:00",
              "utc": "2020-12-11T13:35:02Z",
              "ms": 1607693702212.3303
            },
            "end": {
              "local": "2020-12-11T19:21:59+04:00",
              "utc": "2020-12-11T15:21:59Z",
              "ms": 1607700118534.3862
            }
          },
          "covered_min": 0,
          "window_min": 107,
          "qualifies": false
        },
        {
          "local_date": "2020-12-12",
          "window": {
            "start": {
              "local": "2020-12-12T17:35:21+04:00",
              "utc": "2020-12-12T13:35:21Z",
              "ms": 1607780120921.095
            },
            "end": {
              "local": "2020-12-12T19:22:20+04:00",
              "utc": "2020-12-12T15:22:20Z",
              "ms": 1607786539707.768
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 05:32 on Sat 12 Dec to 02:23 on Sun 13 Dec.",
          "fact": "2020-12-12T01:32:29Z → 2020-12-12T22:23:13Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:35–19:22 on the 11th, 17:35–19:22 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 0 of 107 minutes on the 11th and 107 of 107 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 25253 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Abu Dhabi, 2020: Saturday 12 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-12-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-12-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Kṛṣṇa Pradoṣa Vrata 2020 falls on Saturday 12 December. Trayodaśī runs from 05:32 on Sat 12 Dec to 02:23 on Sun 13 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-12-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/shivaratri?on=2020-12-12",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-12-12",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 2280,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2020-12-13T02:23:13+04:00",
          "utc": "2020-12-12T22:23:13Z",
          "ms": 1607811792775.4954
        },
        "end": {
          "local": "2020-12-13T23:14:59+04:00",
          "utc": "2020-12-13T19:14:59Z",
          "ms": 1607886899234.2195
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-12-13T02:23:13+04:00",
          "utc": "2020-12-12T22:23:13Z",
          "ms": 1607811792775.4954
        },
        "end": {
          "local": "2020-12-13T23:14:59+04:00",
          "utc": "2020-12-13T19:14:59Z",
          "ms": 1607886899234.2195
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2020-12-12",
          "window": {
            "start": {
              "local": "2020-12-12T23:52:31+04:00",
              "utc": "2020-12-12T19:52:31Z",
              "ms": 1607802751371.119
            },
            "end": {
              "local": "2020-12-13T00:40:31+04:00",
              "utc": "2020-12-12T20:40:31Z",
              "ms": 1607805631371.119
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-12-13",
          "window": {
            "start": {
              "local": "2020-12-13T23:53:00+04:00",
              "utc": "2020-12-13T19:53:00Z",
              "ms": 1607889179653.1406
            },
            "end": {
              "local": "2020-12-14T00:41:00+04:00",
              "utc": "2020-12-13T20:41:00Z",
              "ms": 1607892059653.1406
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 02:23 on Sun 13 Dec to 23:15 on Sun 13 Dec.",
          "fact": "2020-12-12T22:23:13Z → 2020-12-13T19:14:59Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:53–00:41 on the 12th, 23:53–00:41 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 0 of 48 minutes on the 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither night qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 2280 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Abu Dhabi, 2020: Saturday 12 December.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-12-12",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-12-12",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Śivarātri 2020 falls on Saturday 12 December. Caturdaśī runs from 02:23 on Sun 13 Dec to 23:15 on Sun 13 Dec, and reaches niśītha on neither day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/shivaratri?on=2020-12-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/vinayaka-chaturthi?on=2020-12-18",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-12-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 612,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2020-12-17T13:48:06+04:00",
          "utc": "2020-12-17T09:48:06Z",
          "ms": 1608198486114.608
        },
        "end": {
          "local": "2020-12-18T12:53:21+04:00",
          "utc": "2020-12-18T08:53:21Z",
          "ms": 1608281600556.6382
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-12-17T13:48:06+04:00",
          "utc": "2020-12-17T09:48:06Z",
          "ms": 1608198486114.608
        },
        "end": {
          "local": "2020-12-18T12:53:21+04:00",
          "utc": "2020-12-18T08:53:21Z",
          "ms": 1608281600556.6382
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-12-17",
          "window": {
            "start": {
              "local": "2020-12-17T11:54:39+04:00",
              "utc": "2020-12-17T07:54:39Z",
              "ms": 1608191678620.163
            },
            "end": {
              "local": "2020-12-17T12:42:39+04:00",
              "utc": "2020-12-17T08:42:39Z",
              "ms": 1608194558620.163
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-12-18",
          "window": {
            "start": {
              "local": "2020-12-18T11:55:08+04:00",
              "utc": "2020-12-18T07:55:08Z",
              "ms": 1608278108429.7607
            },
            "end": {
              "local": "2020-12-18T12:43:08+04:00",
              "utc": "2020-12-18T08:43:08Z",
              "ms": 1608280988429.7607
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:48 on Thu 17 Dec to 12:53 on Fri 18 Dec.",
          "fact": "2020-12-17T09:48:06Z → 2020-12-18T08:53:21Z"
        },
        {
          "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": "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. 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, 2020: Friday 18 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-12-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-12-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Vināyaka Caturthī 2020 falls on Friday 18 December. Caturthī runs from 13:48 on Thu 17 Dec to 12:53 on Fri 18 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/vinayaka-chaturthi?on=2020-12-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/naga-panchami-margashirsha",
      "festival": "naga-panchami-margashirsha",
      "name": "Nāga Pañcamī (Mārgaśīrṣa)",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-12-19",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 64,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2020-12-18T12:53:21+04:00",
          "utc": "2020-12-18T08:53:21Z",
          "ms": 1608281600556.6382
        },
        "end": {
          "local": "2020-12-19T12:44:42+04:00",
          "utc": "2020-12-19T08:44:42Z",
          "ms": 1608367482284.0437
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-12-18T12:53:21+04:00",
          "utc": "2020-12-18T08:53:21Z",
          "ms": 1608281600556.6382
        },
        "end": {
          "local": "2020-12-19T12:44:42+04:00",
          "utc": "2020-12-19T08:44:42Z",
          "ms": 1608367482284.0437
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-12-18",
          "window": {
            "start": {
              "local": "2020-12-18T11:55:08+04:00",
              "utc": "2020-12-18T07:55:08Z",
              "ms": 1608278108429.7607
            },
            "end": {
              "local": "2020-12-18T12:43:08+04:00",
              "utc": "2020-12-18T08:43:08Z",
              "ms": 1608280988429.7607
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-12-19",
          "window": {
            "start": {
              "local": "2020-12-19T11:55:38+04:00",
              "utc": "2020-12-19T07:55:38Z",
              "ms": 1608364538364.4436
            },
            "end": {
              "local": "2020-12-19T12:43:38+04:00",
              "utc": "2020-12-19T08:43:38Z",
              "ms": 1608367418364.4436
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 12:53 on Fri 18 Dec to 12:45 on Sat 19 Dec.",
          "fact": "2020-12-18T08:53:21Z → 2020-12-19T08:44:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 18th, 11:56–12:44 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 64 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī (Mārgaśīrṣa), Abu Dhabi, 2020: Saturday 19 December.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2020-12-19",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-12-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Nāga Pañcamī (Mārgaśīrṣa) 2020 falls on Saturday 19 December. Pañcamī runs from 12:53 on Fri 18 Dec to 12:45 on Sat 19 Dec and covers all of madhyāhna that midday. It is 1 min 04 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/champa-shashthi",
      "festival": "champa-shashthi",
      "name": "Campā Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-12-20",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 64,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2020-12-19T12:44:42+04:00",
          "utc": "2020-12-19T08:44:42Z",
          "ms": 1608367482284.0437
        },
        "end": {
          "local": "2020-12-20T13:23:08+04:00",
          "utc": "2020-12-20T09:23:08Z",
          "ms": 1608456187855.4746
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-12-19T12:44:42+04:00",
          "utc": "2020-12-19T08:44:42Z",
          "ms": 1608367482284.0437
        },
        "end": {
          "local": "2020-12-20T13:23:08+04:00",
          "utc": "2020-12-20T09:23:08Z",
          "ms": 1608456187855.4746
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-12-19",
          "window": {
            "start": {
              "local": "2020-12-19T11:55:38+04:00",
              "utc": "2020-12-19T07:55:38Z",
              "ms": 1608364538364.4436
            },
            "end": {
              "local": "2020-12-19T12:43:38+04:00",
              "utc": "2020-12-19T08:43:38Z",
              "ms": 1608367418364.4436
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-12-20",
          "window": {
            "start": {
              "local": "2020-12-20T11:56:08+04:00",
              "utc": "2020-12-20T07:56:08Z",
              "ms": 1608450968387.892
            },
            "end": {
              "local": "2020-12-20T12:44:08+04:00",
              "utc": "2020-12-20T08:44:08Z",
              "ms": 1608453848387.892
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 12:45 on Sat 19 Dec to 13:23 on Sun 20 Dec.",
          "fact": "2020-12-19T08:44:42Z → 2020-12-20T09:23:08Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 19th, 11:56–12:44 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 48 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 64 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Campā Ṣaṣṭhī, Abu Dhabi, 2020: Sunday 20 December.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2020-12-20",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-12-20",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Campā Ṣaṣṭhī 2020 falls on Sunday 20 December. Ṣaṣṭhī runs from 12:45 on Sat 19 Dec to 13:23 on Sun 20 Dec and covers all of madhyāhna that midday. It is 1 min 04 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/skanda-shashthi",
      "festival": "skanda-shashthi",
      "name": "Skanda Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-12-20",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 64,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2020-12-19T12:44:42+04:00",
          "utc": "2020-12-19T08:44:42Z",
          "ms": 1608367482284.0437
        },
        "end": {
          "local": "2020-12-20T13:23:08+04:00",
          "utc": "2020-12-20T09:23:08Z",
          "ms": 1608456187855.4746
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-12-19T12:44:42+04:00",
          "utc": "2020-12-19T08:44:42Z",
          "ms": 1608367482284.0437
        },
        "end": {
          "local": "2020-12-20T13:23:08+04:00",
          "utc": "2020-12-20T09:23:08Z",
          "ms": 1608456187855.4746
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-12-19",
          "window": {
            "start": {
              "local": "2020-12-19T11:55:38+04:00",
              "utc": "2020-12-19T07:55:38Z",
              "ms": 1608364538364.4436
            },
            "end": {
              "local": "2020-12-19T12:43:38+04:00",
              "utc": "2020-12-19T08:43:38Z",
              "ms": 1608367418364.4436
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-12-20",
          "window": {
            "start": {
              "local": "2020-12-20T11:56:08+04:00",
              "utc": "2020-12-20T07:56:08Z",
              "ms": 1608450968387.892
            },
            "end": {
              "local": "2020-12-20T12:44:08+04:00",
              "utc": "2020-12-20T08:44:08Z",
              "ms": 1608453848387.892
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 12:45 on Sat 19 Dec to 13:23 on Sun 20 Dec.",
          "fact": "2020-12-19T08:44:42Z → 2020-12-20T09:23:08Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 19th, 11:56–12:44 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 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 64 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī, Abu Dhabi, 2020: Sunday 20 December.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2020-12-20",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-12-19",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Skanda Ṣaṣṭhī 2020 falls on Sunday 20 December. Ṣaṣṭhī runs from 12:45 on Sat 19 Dec to 13:23 on Sun 20 Dec and covers all of madhyāhna that midday. It is 1 min 04 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/mitra-saptami",
      "festival": "mitra-saptami",
      "name": "Mitra Saptamī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-12-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2339,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2020-12-20T13:23:08+04:00",
          "utc": "2020-12-20T09:23:08Z",
          "ms": 1608456187855.4746
        },
        "end": {
          "local": "2020-12-21T14:45:35+04:00",
          "utc": "2020-12-21T10:45:35Z",
          "ms": 1608547535281.1511
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-12-20T13:23:08+04:00",
          "utc": "2020-12-20T09:23:08Z",
          "ms": 1608456187855.4746
        },
        "end": {
          "local": "2020-12-21T14:45:35+04:00",
          "utc": "2020-12-21T10:45:35Z",
          "ms": 1608547535281.1511
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-12-20",
          "window": {
            "start": {
              "local": "2020-12-20T11:56:08+04:00",
              "utc": "2020-12-20T07:56:08Z",
              "ms": 1608450968387.892
            },
            "end": {
              "local": "2020-12-20T12:44:08+04:00",
              "utc": "2020-12-20T08:44:08Z",
              "ms": 1608453848387.892
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2020-12-21",
          "window": {
            "start": {
              "local": "2020-12-21T11:56:38+04:00",
              "utc": "2020-12-21T07:56:38Z",
              "ms": 1608537398464.5955
            },
            "end": {
              "local": "2020-12-21T12:44:38+04:00",
              "utc": "2020-12-21T08:44:38Z",
              "ms": 1608540278464.5955
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 13:23 on Sun 20 Dec to 14:46 on Mon 21 Dec.",
          "fact": "2020-12-20T09:23:08Z → 2020-12-21T10:45:35Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 20th, 11:57–12:45 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 0 of 48 minutes on the 20th and 48 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 2339 s"
        },
        {
          "step": "ruling",
          "text": "Mitra Saptamī, Abu Dhabi, 2020: Monday 21 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": "2020-12-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-12-20",
          "confidence": "boundary"
        }
      ],
      "quote": "In Abu Dhabi, Mitra Saptamī 2020 falls on Monday 21 December. Saptamī runs from 13:23 on Sun 20 Dec to 14:46 on Mon 21 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/ekadashi?on=2020-12-25",
      "festival": "ekadashi",
      "name": "Mokṣadā Ekādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-12-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23986,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2020-12-24T21:47:46+04:00",
          "utc": "2020-12-24T17:47:46Z",
          "ms": 1608832065695.8545
        },
        "end": {
          "local": "2020-12-26T00:24:44+04:00",
          "utc": "2020-12-25T20:24:44Z",
          "ms": 1608927883634.1907
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-12-24T21:47:46+04:00",
          "utc": "2020-12-24T17:47:46Z",
          "ms": 1608832065695.8545
        },
        "end": {
          "local": "2020-12-26T00:24:44+04:00",
          "utc": "2020-12-25T20:24:44Z",
          "ms": 1608927883634.1907
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2020-12-25",
          "window": {
            "start": {
              "local": "2020-12-25T07:04:04+04:00",
              "utc": "2020-12-25T03:04:04Z",
              "ms": 1608865444044.5676
            },
            "end": {
              "local": "2020-12-25T07:04:04+04:00",
              "utc": "2020-12-25T03:04:04Z",
              "ms": 1608865444044.5676
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2020-12-26",
          "window": {
            "start": {
              "local": "2020-12-26T07:04:29+04:00",
              "utc": "2020-12-26T03:04:29Z",
              "ms": 1608951869386.4148
            },
            "end": {
              "local": "2020-12-26T07:04:29+04:00",
              "utc": "2020-12-26T03:04:29Z",
              "ms": 1608951869386.4148
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 21:48 on Thu 24 Dec to 00:25 on Sat 26 Dec.",
          "fact": "2020-12-24T17:47:46Z → 2020-12-25T20:24:44Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:04 on the 25th and 07:04 on the 26th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 25th and is not on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 23986 s"
        },
        {
          "step": "ruling",
          "text": "Mokṣadā Ekādaśī, Abu Dhabi, 2020: Friday 25 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-12-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-12-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Mokṣadā Ekādaśī 2020 falls on Friday 25 December. Ekādaśī runs from 21:48 on Thu 24 Dec to 00:25 on Sat 26 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/ekadashi?on=2020-12-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/abu-dhabi/festivals/2020/akhanda-dvadashi",
      "festival": "akhanda-dvadashi",
      "name": "Akhaṇḍa Dvādaśī",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-12-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33049,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2020-12-26T00:24:44+04:00",
          "utc": "2020-12-25T20:24:44Z",
          "ms": 1608927883634.1907
        },
        "end": {
          "local": "2020-12-27T02:48:49+04:00",
          "utc": "2020-12-26T22:48:49Z",
          "ms": 1609022928713.0625
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-12-26T00:24:44+04:00",
          "utc": "2020-12-25T20:24:44Z",
          "ms": 1608927883634.1907
        },
        "end": {
          "local": "2020-12-27T02:48:49+04:00",
          "utc": "2020-12-26T22:48:49Z",
          "ms": 1609022928713.0625
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2020-12-26",
          "window": {
            "start": {
              "local": "2020-12-26T11:59:08+04:00",
              "utc": "2020-12-26T07:59:08Z",
              "ms": 1608969548450.299
            },
            "end": {
              "local": "2020-12-26T12:47:08+04:00",
              "utc": "2020-12-26T08:47:08Z",
              "ms": 1608972428450.299
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2020-12-27",
          "window": {
            "start": {
              "local": "2020-12-27T11:59:38+04:00",
              "utc": "2020-12-27T07:59:38Z",
              "ms": 1609055978137.1724
            },
            "end": {
              "local": "2020-12-27T12:47:38+04:00",
              "utc": "2020-12-27T08:47:38Z",
              "ms": 1609058858137.1724
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 00:25 on Sat 26 Dec to 02:49 on Sun 27 Dec.",
          "fact": "2020-12-25T20:24:44Z → 2020-12-26T22:48:49Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 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 48 of 48 minutes on the 26th and 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 33049 s"
        },
        {
          "step": "ruling",
          "text": "Akhaṇḍa Dvādaśī, Abu Dhabi, 2020: Saturday 26 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": "2020-12-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-12-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Akhaṇḍa Dvādaśī 2020 falls on Saturday 26 December. Dvādaśī runs from 00:25 on Sat 26 Dec to 02:49 on Sun 27 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/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/2020/pradosha-vrata?on=2020-12-27",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-12-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26396,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2020-12-27T02:48:49+04:00",
          "utc": "2020-12-26T22:48:49Z",
          "ms": 1609022928713.0625
        },
        "end": {
          "local": "2020-12-28T04:50:48+04:00",
          "utc": "2020-12-28T00:50:48Z",
          "ms": 1609116648364.2441
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-12-27T02:48:49+04:00",
          "utc": "2020-12-26T22:48:49Z",
          "ms": 1609022928713.0625
        },
        "end": {
          "local": "2020-12-28T04:50:48+04:00",
          "utc": "2020-12-28T00:50:48Z",
          "ms": 1609116648364.2441
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-12-26",
          "window": {
            "start": {
              "local": "2020-12-26T17:41:48+04:00",
              "utc": "2020-12-26T13:41:48Z",
              "ms": 1608990107514.1833
            },
            "end": {
              "local": "2020-12-26T19:28:52+04:00",
              "utc": "2020-12-26T15:28:52Z",
              "ms": 1608996532322.523
            }
          },
          "covered_min": 0,
          "window_min": 107,
          "qualifies": false
        },
        {
          "local_date": "2020-12-27",
          "window": {
            "start": {
              "local": "2020-12-27T17:42:23+04:00",
              "utc": "2020-12-27T13:42:23Z",
              "ms": 1609076542697.6145
            },
            "end": {
              "local": "2020-12-27T19:29:26+04:00",
              "utc": "2020-12-27T15:29:26Z",
              "ms": 1609082965883.2102
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 02:49 on Sun 27 Dec to 04:51 on Mon 28 Dec.",
          "fact": "2020-12-26T22:48:49Z → 2020-12-28T00:50:48Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:42–19:29 on the 26th, 17:42–19:29 on the 27th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 107 minutes on the 26th and 107 of 107 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26396 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Abu Dhabi, 2020: Sunday 27 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": "2020-12-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-12-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Śukla Pradoṣa Vrata 2020 falls on Sunday 27 December. Trayodaśī runs from 02:49 on Sun 27 Dec to 04:51 on Mon 28 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/pradosha-vrata?on=2020-12-27",
      "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/2020/dattatreyotpatti",
      "festival": "dattatreyotpatti",
      "name": "Dattātreyotpatti",
      "everyday": "Datta Jayanti",
      "tradition": "smarta",
      "place": "292968",
      "year": 2020,
      "local_date": "2020-12-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36960,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2020-12-29T06:24:51+04:00",
          "utc": "2020-12-29T02:24:51Z",
          "ms": 1609208690590.2751
        },
        "end": {
          "local": "2020-12-30T07:28:13+04:00",
          "utc": "2020-12-30T03:28:13Z",
          "ms": 1609298892722.7158
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2020-12-29T06:24:51+04:00",
          "utc": "2020-12-29T02:24:51Z",
          "ms": 1609208690590.2751
        },
        "end": {
          "local": "2020-12-30T07:28:13+04:00",
          "utc": "2020-12-30T03:28:13Z",
          "ms": 1609298892722.7158
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2020-12-29",
          "window": {
            "start": {
              "local": "2020-12-29T17:43:35+04:00",
              "utc": "2020-12-29T13:43:35Z",
              "ms": 1609249415497.6829
            },
            "end": {
              "local": "2020-12-29T19:30:35+04:00",
              "utc": "2020-12-29T15:30:35Z",
              "ms": 1609255834629.6338
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        },
        {
          "local_date": "2020-12-30",
          "window": {
            "start": {
              "local": "2020-12-30T17:44:13+04:00",
              "utc": "2020-12-30T13:44:13Z",
              "ms": 1609335853042.5022
            },
            "end": {
              "local": "2020-12-30T19:31:10+04:00",
              "utc": "2020-12-30T15:31:10Z",
              "ms": 1609342269747.2756
            }
          },
          "covered_min": 0,
          "window_min": 107,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 06:25 on Tue 29 Dec to 07:28 on Wed 30 Dec.",
          "fact": "2020-12-29T02:24:51Z → 2020-12-30T03:28:13Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:44–19:31 on the 29th, 17:44–19:31 on the 30th.",
          "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 29th and 0 of 107 on the 30th.",
          "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 36960 s"
        },
        {
          "step": "ruling",
          "text": "Dattātreyotpatti, Abu Dhabi, 2020: Tuesday 29 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "dattatreyotpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Dattatreyotpatti (pradosa)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2020-12-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2020-12-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Abu Dhabi, Dattātreyotpatti (Datta Jayanti) 2020 falls on Tuesday 29 December. Pūrṇimā runs from 06:25 on Tue 29 Dec to 07:28 on Wed 30 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/abu-dhabi/festivals/2020/dattatreyotpatti",
      "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"
  }
}
